技术领域technical field
本公开涉及图像显示技术领域，特别涉及一种显示设备及显示方法。The present disclosure relates to the technical field of image display, and in particular to a display device and a display method.
背景技术Background technique
显示屏是电子设备上最常见的输入输出设备之一。显示屏具有显示文字信息、图像信息和视频信息的能力。Display screens are one of the most common input and output devices on electronic devices. The display screen has the ability to display text information, image information and video information.
目前的显示屏通常都是广视角液晶显示屏，可视角度大概在120°～170°范围。当用户在公交、地铁等拥挤场所使用电子设备时，容易被周围的其他人看到显示屏上的内容，引起用户隐私的泄露。The current display screens are usually wide viewing angle liquid crystal display screens, and the viewing angle is in the range of 120° to 170°. When a user uses an electronic device in a crowded place such as a bus or subway, it is easy for other people around to see the content on the display screen, which may cause leakage of user privacy.
发明内容Contents of the invention
为了解决显示屏是广视角显示屏时，周围的其他人容易看到显示屏上的显示内容，引起用户隐私的泄露的问题，本公开实施例提供了一种显示设备及显示方法，该显示设备具有较窄的可视角度。所述技术方案如下：In order to solve the problem that when the display screen is a wide viewing angle display screen, other people around can easily see the display content on the display screen, causing leakage of user privacy, an embodiment of the present disclosure provides a display device and a display method, the display device Has a narrow viewing angle. Described technical scheme is as follows:
根据本公开实施例的第一方面，提供了一种显示设备，所述显示设备包括：控制单元、与所述控制单元相连的显示驱动单元和透镜驱动单元、与所述显示驱动单元相连的显示面板、以及与所述透镜驱动单元相连的液晶透镜阵列；所述液晶透镜阵列位于所述显示面板之上，所述液晶透镜阵列包括若干条并列排布的液晶透镜；According to a first aspect of an embodiment of the present disclosure, there is provided a display device, the display device comprising: a control unit, a display drive unit and a lens drive unit connected to the control unit, a display device connected to the display drive unit A panel, and a liquid crystal lens array connected to the lens driving unit; the liquid crystal lens array is located on the display panel, and the liquid crystal lens array includes several liquid crystal lenses arranged side by side;
所述控制单元，用于向所述显示驱动单元发送显示图像帧；向所述透镜驱动单元发送透镜控制指令；The control unit is configured to send a display image frame to the display drive unit; send a lens control instruction to the lens drive unit;
所述显示驱动单元，用于驱动所述显示面板在若干条并列且间隔排布的显示区域上显示所述显示图像帧，每条显示区域用于各自显示所述显示图像帧中的一部分显示内容；The display driving unit is configured to drive the display panel to display the display image frame on several parallel and spaced display areas, and each display area is used to respectively display a part of the display content in the display image frame ;
所述透镜驱动单元，用于根据所述透镜控制指令控制各条所述液晶透镜的折射率；The lens driving unit is configured to control the refractive index of each of the liquid crystal lenses according to the lens control instruction;
其中，每条显示区域各自显示的显示内容，通过各自对应的所述液晶透镜的折射，射向预定可视范围。Wherein, the display content displayed in each display area is irradiated to a predetermined visible range by refraction of the respective corresponding liquid crystal lenses.
可选地，所述显示驱动单元，用于根据预存的位置信息在所述显示面板上确定所述若干条并列且间隔排布的显示区域的位置；将所述显示图像帧进行拆分，得到与每条显示区域分别对应的显示内容；根据所述位置驱动每条显示区域分别显示各自对应的显示内容。Optionally, the display driving unit is configured to determine the positions of the several parallel and spaced display areas on the display panel according to the pre-stored position information; split the display image frame to obtain The display content corresponding to each display area; driving each display area to display the corresponding display content respectively according to the position.
可选地，所述控制单元，还用于向所述显示驱动单元发送位置确定指令；Optionally, the control unit is further configured to send a position determination instruction to the display drive unit;
所述显示驱动单元，用于根据所述位置确定指令在所述显示面板上确定所述若干条并列且间隔排布的显示区域的位置；将所述显示图像帧进行拆分，得到与每条显示区域分别对应的显示内容；根据所述位置驱动每条显示区域分别显示各自对应的显示内容。The display driving unit is configured to determine the positions of the several parallel and spaced display areas on the display panel according to the position determination instruction; split the display image frames to obtain Display content corresponding to the display areas; driving each display area to display the corresponding display content respectively according to the position.
可选地，所述位置确定指令用于指示每条显示区域的位置；Optionally, the position determination instruction is used to indicate the position of each display area;
所述控制单元，还用于根据各条所述液晶透镜的位置和折射率确定每条显示区域的位置。The control unit is further configured to determine the position of each display area according to the position and refractive index of each of the liquid crystal lenses.
可选地，所述控制单元，还用于在工作状态由窄视角工作状态切换为广视角工作状态时，向所述显示驱动单元和所述透镜驱动单元发送状态切换指示；Optionally, the control unit is further configured to send a state switching instruction to the display driving unit and the lens driving unit when the working state is switched from the narrow viewing angle working state to the wide viewing angle working state;
所述显示驱动单元，用于在接收到所述状态切换指示之后，驱动所述显示面板在整个显示区域上显示所述显示图像帧；The display driving unit is configured to drive the display panel to display the display image frame on the entire display area after receiving the state switching instruction;
所述透镜驱动单元，用于在接收到所述状态切换指示之后，调节各条所述液晶透镜的折射率，使得所述显示面板所对应的光线沿直线射出。The lens driving unit is configured to adjust the refractive index of each of the liquid crystal lenses after receiving the state switching instruction, so that the light corresponding to the display panel is emitted along a straight line.
可选地，所述预定可视范围是根据人眼的双眼间距所确定的范围。Optionally, the predetermined visible range is a range determined according to the interocular distance of human eyes.
可选地，所述显示驱动单元，还用于驱动所述显示面板上两条相邻的所述显示区域之间的闲置区域处于不工作状态。Optionally, the display driving unit is further configured to drive an idle area between two adjacent display areas on the display panel to be in a non-working state.
可选地，所述显示驱动单元，还用于驱动所述显示面板上两条相邻的所述显示区域之间的闲置区域显示预定的伪装显示内容；Optionally, the display driving unit is further configured to drive an idle area between two adjacent display areas on the display panel to display predetermined camouflage display content;
其中，所述伪装显示内容通过各自对应的所述液晶透镜的折射，射向所述预定可视范围以外的区域。Wherein, the camouflaged display content is refracted by the respective corresponding liquid crystal lenses to areas outside the predetermined visible range.
根据本公开实施例的第二方面，提供了一种显示方法，应用于显示设备中，所述显示设备包括：控制单元、与所述控制单元相连的显示驱动单元和透镜驱动单元、与所述显示驱动单元相连的显示面板、以及与所述透镜驱动单元相连的液晶透镜阵列；所述液晶透镜阵列位于所述显示面板之上，所述液晶透镜阵列包括若干条并列排布的液晶透镜；According to the second aspect of the embodiments of the present disclosure, a display method is provided, which is applied to a display device, and the display device includes: a control unit, a display drive unit and a lens drive unit connected to the control unit, and the A display panel connected to the display drive unit, and a liquid crystal lens array connected to the lens drive unit; the liquid crystal lens array is located on the display panel, and the liquid crystal lens array includes several liquid crystal lenses arranged side by side;
所述方法包括：The methods include:
所述控制单元向所述显示驱动单元发送显示图像帧，向所述透镜驱动单元发送透镜控制指令；The control unit sends a display image frame to the display drive unit, and sends a lens control command to the lens drive unit;
所述显示驱动单元驱动所述显示面板在若干条并列且间隔排布的显示区域上显示所述显示图像帧，每条显示区域用于各自显示所述显示图像帧的一部分显示内容；The display driving unit drives the display panel to display the display image frame on several display areas arranged side by side and arranged at intervals, and each display area is used to respectively display a part of the display content of the display image frame;
所述透镜驱动单元根据所述透镜控制指令控制各条所述液晶透镜的折射率；The lens driving unit controls the refractive index of each of the liquid crystal lenses according to the lens control instruction;
其中，每条显示区域各自显示的显示内容，通过各自对应的所述液晶透镜的折射，射向预定可视范围。Wherein, the display content displayed in each display area is irradiated to a predetermined visible range by refraction of the respective corresponding liquid crystal lenses.
可选地，所述显示驱动单元驱动所述显示面板在若干条并列且间隔排布的显示区域上显示所述显示图像帧，包括：Optionally, the display driving unit drives the display panel to display the display image frame on several parallel and spaced display areas, including:
所述显示驱动单元根据预存的位置信息在所述显示面板上确定所述若干条并列且间隔排布的显示区域的位置；The display driving unit determines the positions of the several parallel and spaced display areas on the display panel according to the pre-stored position information;
所述显示驱动单元将所述显示图像帧进行拆分，得到与每条显示区域分别对应的显示内容；The display drive unit splits the display image frame to obtain display content corresponding to each display area;
所述显示驱动单元根据所述位置驱动每条显示区域分别显示各自对应的显示内容；The display driving unit drives each display area to display corresponding display content according to the position;
可选地，所述方法还包括：Optionally, the method also includes:
所述控制单元向所述显示驱动单元发送位置确定指令；The control unit sends a position determination instruction to the display drive unit;
所述显示驱动单元驱动所述显示面板在若干条并列且间隔排布的显示区域上显示所述显示图像帧，包括：The display driving unit drives the display panel to display the display image frames on several parallel and spaced display areas, including:
所述显示驱动单元根据所述位置确定指令在所述显示面板上确定所述若干条并列且间隔排布的显示区域的位置；The display driving unit determines the positions of the several parallel and spaced display areas on the display panel according to the position determination instruction;
所述显示驱动单元将所述显示图像帧进行拆分，得到与每条显示区域分别对应的显示内容；The display drive unit splits the display image frame to obtain display content corresponding to each display area;
所述显示驱动单元根据所述位置驱动每条显示区域分别显示各自对应的显示内容。The display driving unit drives each display area to display corresponding display content according to the position.
可选地，所述位置确定指令用于指示每条显示区域的位置，所述方法还包括：Optionally, the position determination instruction is used to indicate the position of each display area, and the method further includes:
所述控制单元根据各条所述液晶透镜的位置和折射率确定每条显示区域的位置。The control unit determines the position of each display area according to the position and refractive index of each of the liquid crystal lenses.
可选地，所述方法还包括：Optionally, the method also includes:
所述控制单元在工作状态由窄视角工作状态切换为广视角工作状态时，向所述显示驱动单元和所述透镜驱动单元发送状态切换指示；When the working state is switched from the narrow viewing angle working state to the wide viewing angle working state, the control unit sends a state switching instruction to the display driving unit and the lens driving unit;
所述显示驱动单元在接收到所述状态切换指示之后，驱动所述显示面板在整个显示区域上显示所述显示图像帧；After receiving the state switching instruction, the display driving unit drives the display panel to display the display image frame on the entire display area;
所述透镜驱动单元在接收到所述状态切换指示之后，调节各条所述液晶透镜的折射率，使得所述显示面板所对应的光线沿直线射出。After receiving the state switching instruction, the lens driving unit adjusts the refractive index of each of the liquid crystal lenses, so that the light corresponding to the display panel is emitted along a straight line.
可选地，所述预定可视范围是根据人眼的双眼间距所确定的范围。Optionally, the predetermined visible range is a range determined according to the interocular distance of human eyes.
可选地，所述方法还包括：Optionally, the method also includes:
所述显示驱动单元驱动所述显示面板上两条相邻的所述显示区域之间的闲置区域处于不工作状态。The display driving unit drives an idle area between two adjacent display areas on the display panel to be in a non-working state.
可选地，所述方法还包括：Optionally, the method also includes:
所述显示驱动单元驱动所述显示面板上两条相邻的所述显示区域之间的闲置区域显示预定的伪装显示内容；The display driving unit drives an idle area between two adjacent display areas on the display panel to display predetermined camouflage display content;
其中，所述伪装显示内容通过各自对应的所述液晶透镜的折射，射向所述预定可视范围以外的区域。Wherein, the camouflaged display content is refracted by the respective corresponding liquid crystal lenses to areas outside the predetermined visible range.
本公开实施例提供的技术方案可以包括以下有益效果：The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:
通过控制单元向显示驱动单元发送显示图像帧，向透镜驱动单元发送透镜控制指令；显示驱动单元显示驱动单元驱动显示面板在若干条并列且间隔排布的显示区域上显示显示图像帧，每条显示区域用于各自显示显示图像帧的一部分显示内容；透镜驱动单元根据透镜控制指令控制各条液晶透镜的折射率；其中，每条显示区域各自显示的显示内容，通过各自对应的液晶透镜的折射，射向预定可视范围；解决了相关技术中，显示屏广视角显示时，周围的其他人容易看到显示屏上的显示内容，引起用户隐私的泄露的问题；达到了将显示面板的可视范围限制在预定可视范围内，预定可视范围之外的区域无法看到或者无法清楚看到显示面板上的显示图像帧的效果。应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。The control unit sends the display image frame to the display drive unit, and sends the lens control command to the lens drive unit; the display drive unit displays the display drive unit to drive the display panel to display the display image frame on several parallel and spaced display areas, and each display The areas are used to display a part of the display content of the display image frame; the lens drive unit controls the refractive index of each liquid crystal lens according to the lens control instruction; wherein, the display content displayed in each display area is refracted by the corresponding liquid crystal lens, It shoots to the predetermined viewing range; it solves the problem in the related art that when the display screen is displayed at a wide viewing angle, other people around can easily see the display content on the display screen, which causes the leakage of user privacy; it achieves the visibility of the display panel The range is limited within the predetermined visible range, and the effect of displaying image frames on the display panel cannot be seen or clearly seen in areas outside the predetermined visible range. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.
附图说明Description of drawings
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.
图1是根据一示例性实施例示出的一种显示设备的框图；Fig. 1 is a block diagram of a display device according to an exemplary embodiment;
图2是图1所示实施例涉及的显示设备的工作示意图；Fig. 2 is a working schematic diagram of the display device involved in the embodiment shown in Fig. 1;
图3是图1所示实施例涉及的显示图像帧在显示设备中显示时的效果示意图；Fig. 3 is a schematic diagram showing the effect of displaying image frames in the embodiment shown in Fig. 1 when they are displayed on a display device;
图4是图1所示实施例涉及的显示设备的原理示意图；FIG. 4 is a schematic diagram of the principle of the display device involved in the embodiment shown in FIG. 1;
图5是根据一示例性实施例示出的一种显示方法的流程图；Fig. 5 is a flowchart of a display method according to an exemplary embodiment;
图6是根据另一示例性实施例示出的一种显示方法的流程图。Fig. 6 is a flowchart of a display method according to another exemplary embodiment.
具体实施方式detailed description
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.
本公开实施例旨在提供一种具有较窄的可视角度的显示设备和显示方法。可选地，该显示设备还能够在广视角和窄视角两种模式下进行切换。其中，显示设备可以是任何具备显示屏的电子设备，如手机、平板电脑等。Embodiments of the present disclosure aim to provide a display device and a display method with a narrow viewing angle. Optionally, the display device can also be switched between two modes of wide viewing angle and narrow viewing angle. Wherein, the display device may be any electronic device with a display screen, such as a mobile phone, a tablet computer, and the like.
图1是根据一示例性实施例示出的一种显示设备100的框图。如图1中所示，显示设备100包括：Fig. 1 is a block diagram of a display device 100 according to an exemplary embodiment. As shown in FIG. 1, the display device 100 includes:
控制单元120、与控制单元120相连的显示驱动单元142和透镜驱动单元162、与显示驱动单元142相连的显示面板144、以及与透镜驱动单元162相连的液晶透镜阵列164。其中，液晶透镜阵列164位于显示面板144之上，液晶透镜阵列164包括若干条并列排布的液晶透镜163。The control unit 120 , the display driving unit 142 and the lens driving unit 162 connected to the control unit 120 , the display panel 144 connected to the display driving unit 142 , and the liquid crystal lens array 164 connected to the lens driving unit 162 . Wherein, the liquid crystal lens array 164 is located on the display panel 144 , and the liquid crystal lens array 164 includes several liquid crystal lenses 163 arranged side by side.
控制单元120可以是处理器或图形处理器。控制单元120具有输出显示图像帧和发出控制指令的能力。The control unit 120 may be a processor or a graphics processor. The control unit 120 is capable of outputting display image frames and issuing control commands.
显示驱动单元142包括有驱动电路，用于驱动显示面板144进行显示。显示面板144可以是LCD(Liquid Crystal Display，液晶显示器)面板或OLED(Organic Light-Emitting Display，有机发光显示器)面板。可选地，当显示面板144为LCD面板时，该显示设备100还包括位于LCD面板之下的背光源。The display driving unit 142 includes a driving circuit for driving the display panel 144 to display. The display panel 144 may be an LCD (Liquid Crystal Display, Liquid Crystal Display) panel or an OLED (Organic Light-Emitting Display, Organic Light-Emitting Display) panel. Optionally, when the display panel 144 is an LCD panel, the display device 100 further includes a backlight located under the LCD panel.
透镜驱动单元162包括有透镜驱动电路，透镜驱动电路也是液晶驱动电路中的一种，用于控制液晶透镜阵列164中各条液晶透镜163的折射率。各条液晶透镜163的折射率通过控制液晶分子的偏转方向来实现。The lens driving unit 162 includes a lens driving circuit, which is also a kind of liquid crystal driving circuit, and is used to control the refractive index of each liquid crystal lens 163 in the liquid crystal lens array 164 . The refractive index of each liquid crystal lens 163 is realized by controlling the deflection direction of the liquid crystal molecules.
结合参考图2，图2示出了显示面板144和液晶透镜阵列164处于窄视角工作状态时的工作示意图。图2中的左侧(a)部分是显示面板144和液晶透镜阵列164的侧面示意图。液晶透镜阵列164位于显示面板144的上方。图2中的右上侧(b)部分是液晶透镜阵列164的正面示意图；图2中的右下侧(c)部分是显示面板144的正面示意图。Referring to FIG. 2 , FIG. 2 shows a working schematic diagram of the display panel 144 and the liquid crystal lens array 164 in a narrow viewing angle working state. The left part (a) in FIG. 2 is a schematic side view of the display panel 144 and the liquid crystal lens array 164 . The liquid crystal lens array 164 is located above the display panel 144 . The upper right part (b) in FIG. 2 is a schematic front view of the liquid crystal lens array 164 ; the lower right part (c) in FIG. 2 is a front schematic view of the display panel 144 .
在处于窄视角工作状态时，控制单元120向显示驱动单元142发送显示图像帧；向透镜驱动单元162发送透镜控制指令。When in the narrow viewing angle working state, the control unit 120 sends display image frames to the display driving unit 142 ; and sends a lens control command to the lens driving unit 162 .
显示驱动单元142，用于驱动显示面板144在若干条并列且间隔排布的显示区域143上显示显示图像帧，每条显示区域143用于各自显示显示图像帧中的一部分显示内容。所有显示区域143所显示的显示内容的并集与显示图像帧相同。The display driving unit 142 is used to drive the display panel 144 to display image frames on several parallel and spaced display areas 143 , and each display area 143 is used to display a part of display content in the display image frames. The union of display contents displayed in all display areas 143 is the same as the display image frame.
换句话说，显示图像帧被拆分为多个条状的显示内容，每条显示内容在一条显示区域143中显示。每条显示区域143是一个长方形的条状显示区域。相邻两条显示区域143之间的闲置区域145可以不显示任何内容。In other words, the displayed image frame is divided into multiple strips of display content, and each piece of display content is displayed in one display area 143 . Each bar display area 143 is a rectangular bar display area. The idle area 145 between two adjacent display areas 143 may not display any content.
在一种可能的实施方式中，每条显示区域143的长度和宽度都相同，比如，每条显示区域143的长度为1080像素，宽度为5像素。每条显示区域143之间的闲置区域145的宽度也相同，比如每条闲置区域145的宽度为3像素。在另一种可能的实现方式中，存在至少两条显示区域143的长度相同，但宽度不同，比如，位于显示面板144中央区域的显示区域143的宽度大于位于显示面板144边缘区域的显示区域143的宽度。存在至少两条闲置区域145的长度相同，但宽度不同，比如，位于显示面板144中央区域的闲置区域145的宽度大于位于显示面板144边缘区域的闲置区域145的宽度。本公开实施例对此不加以限定。In a possible implementation manner, the length and width of each display area 143 are the same, for example, the length of each display area 143 is 1080 pixels, and the width is 5 pixels. The width of the idle area 145 between each display area 143 is also the same, for example, the width of each idle area 145 is 3 pixels. In another possible implementation, there are at least two display areas 143 that have the same length but different widths. For example, the width of the display area 143 located in the central area of the display panel 144 is greater than that of the display area 143 located in the edge area of the display panel 144. width. There are at least two idle areas 145 with the same length but different widths. For example, the idle area 145 located in the central area of the display panel 144 is wider than the idle area 145 located in the edge area of the display panel 144 . Embodiments of the present disclosure do not limit this.
透镜驱动单元162，用于根据透镜控制指令控制各条液晶透镜163的折射率。透镜驱动单元162通过控制各条液晶透镜163中的液晶分子的偏转方向，实现对各条液晶透镜163的折射率进行控制。The lens driving unit 162 is configured to control the refractive index of each liquid crystal lens 163 according to the lens control instruction. The lens driving unit 162 controls the refractive index of each liquid crystal lens 163 by controlling the deflection direction of the liquid crystal molecules in each liquid crystal lens 163 .
在一种可能的实施方式中，每条液晶透镜163的长度和宽度都相同，比如，每条液晶透镜163的长度为1080像素，宽度为5像素。在另一种可能的实施方式中，存在至少两条液晶透镜163的长度相同，但宽度不同，比如位于液晶透镜阵列164中央区域的液晶透镜163的宽度大于位于液晶透镜阵列164边缘区域的液晶透镜163的宽度。本公开实施例对此不加以限定。In a possible implementation manner, the length and width of each liquid crystal lens 163 are the same, for example, the length of each liquid crystal lens 163 is 1080 pixels, and the width is 5 pixels. In another possible implementation manner, there are at least two liquid crystal lenses 163 with the same length but different widths, for example, the width of the liquid crystal lens 163 located in the central area of the liquid crystal lens array 164 is larger than that of the liquid crystal lens located in the edge area of the liquid crystal lens array 164 163 width. Embodiments of the present disclosure do not limit this.
每条显示区域143各自显示的显示内容，通过各自对应的液晶透镜163的折射，射向预定可视范围。也即，显示图像帧10在通过显示设备100显示时，会被分割为多条显示内容进行显示，最终显示画面20的正视图可参考图3中的示意性示出。The display content displayed in each display area 143 is refracted by the corresponding liquid crystal lens 163 to a predetermined visible range. That is, when the display image frame 10 is displayed by the display device 100 , it will be divided into multiple pieces of display content for display, and the front view of the final display screen 20 can refer to the schematic illustration in FIG. 3 .
继续参考图4所示，设图4中的左侧为第一方向，右侧为第二方向。每条显示区域143在第一方向上具有边缘a，在第二方向上具有边缘b；每条闲置区域145在第一方向上具有边缘g，在第二方向上具有边缘h；每条液晶透镜163下方至少对应一条显示区域143和一条闲置区域145。其中，每条液晶透镜163在第一方向上具有边缘c，在第二方向上具有边缘d。预定可视范围在第一方向上具有边缘e，在第二方向上具有边缘f。Continuing to refer to FIG. 4 , assume that the left side in FIG. 4 is the first direction, and the right side is the second direction. Each display area 143 has an edge a in the first direction and an edge b in the second direction; each idle area 145 has an edge g in the first direction and an edge h in the second direction; each liquid crystal lens 163 corresponds to at least one display area 143 and one idle area 145 . Wherein, each liquid crystal lens 163 has an edge c in the first direction and an edge d in the second direction. The predetermined viewing range has an edge e in the first direction and an edge f in the second direction.
对于每条显示区域143，各条边缘之间满足规则：显示区域143的边缘a处的显示内容，透过边缘为cd的液晶透镜163射向边缘ef之间，显示区域143的边缘b处的显示内容，透过边缘为cd的液晶透镜163射向边缘ef之间，从而保证每条显示区域143中的显示内容仅在预定可视范围内完全可见。需要说明的是，位于最边缘的显示区域143可能存在与图4不同的设计。For each display area 143, the rules are satisfied between the edges: the displayed content at the edge a of the display area 143 passes through the liquid crystal lens 163 with the edge cd to the edge ef, and the display content at the edge b of the display area 143 The displayed content passes through the liquid crystal lens 163 whose edge is cd and shoots between the edges ef, so as to ensure that the displayed content in each display area 143 is fully visible only within a predetermined visible range. It should be noted that the display area 143 at the outermost edge may have a different design from that shown in FIG. 4 .
另外，由于预定可视范围是供用户的双眼观看的区域，所以预定可视范围的宽度根据人眼的双眼间距设置，该宽度ef通常略大于人眼的双眼间距。也即预定可视范围是根据人眼的双眼间距设置的范围。In addition, since the predetermined viewing range is an area viewed by the user's eyes, the width of the predetermined viewing range is set according to the interocular distance of human eyes, and the width ef is usually slightly larger than the interocular distance of human eyes. That is, the predetermined visible range is a range set according to the interocular distance of human eyes.
在一种可能的实施方式中，显示区域143在显示面板144上的位置固定，液晶透镜163的折射率固定不变。也即，预定可视范围固定不变。此时：In a possible implementation manner, the position of the display area 143 on the display panel 144 is fixed, and the refractive index of the liquid crystal lens 163 is fixed. That is, the predetermined visible range is fixed. at this time:
显示驱动单元142，用于根据预存的位置信息在显示面板144上确定若干条并列且间隔排布的显示区域143的位置；将显示图像帧进行拆分，得到与每条显示区域143分别对应的显示内容；根据位置驱动每条显示区域143分别显示各自对应的显示内容。The display driving unit 142 is used to determine the positions of several display areas 143 arranged side by side and at intervals on the display panel 144 according to the pre-stored position information; split the display image frame to obtain the respective corresponding to each display area 143 Display content: drive each display area 143 to display the corresponding display content according to the position.
在另一种可能的实施方式中，人眼的位置是可变的，人眼与液晶透镜阵列164之间的距离G是可变的，所以预定可视范围是可变的。此时：In another possible implementation manner, the position of the human eye is variable, and the distance G between the human eye and the liquid crystal lens array 164 is variable, so the predetermined visible range is variable. at this time:
控制单元120，还用于向显示驱动单元142发送位置确定指令。The control unit 120 is further configured to send a position determination instruction to the display driving unit 142 .
显示驱动单元142，用于根据位置确定指令在显示面板144上确定若干条并列且间隔排布的显示区域143的位置；将显示图像帧进行拆分，得到与每条显示区域143分别对应的显示内容；根据位置驱动每条显示区域143分别显示各自对应的显示内容。其中，位置确定指令用于指示每条显示区域143的位置。The display driving unit 142 is used to determine the positions of several parallel and spaced display areas 143 on the display panel 144 according to the position determination instruction; split the display image frame to obtain the display corresponding to each display area 143 Content: drive each display area 143 to display corresponding display content according to the position. Wherein, the position determining instruction is used to indicate the position of each display area 143 .
可选地，控制单元120根据各条液晶透镜163的位置和折射率确定每条显示区域143的位置。各条液晶透镜163的位置包括各条液晶透镜163的宽度以及相对位置排列关系。Optionally, the control unit 120 determines the position of each display area 143 according to the position and refractive index of each liquid crystal lens 163 . The position of each liquid crystal lens 163 includes the width and relative positional arrangement of each liquid crystal lens 163 .
可选地，当人眼的位置发生变化时，控制单元120根据人眼的双眼间距ef、人眼在液晶透镜阵列164上的投影坐标、以及人眼与液晶透镜阵列164之间的距离G、各条液晶透镜163的位置和折射率，根据图4所示的规则，动态确定每条显示区域143的位置。Optionally, when the position of the human eyes changes, the control unit 120 will control the distance G between the human eyes and the liquid crystal lens array 164 according to the interocular distance ef of the human eyes, the projection coordinates of the human eyes on the liquid crystal lens array 164, and the distance G between the human eyes and the liquid crystal lens array 164, The position and refractive index of each liquid crystal lens 163 dynamically determine the position of each display area 143 according to the rules shown in FIG. 4 .
本实施例对控制单元120如何获取人眼的双眼间距ef、人眼在液晶透镜阵列164上的投影坐标、以及人眼与液晶透镜阵列164之间的距离G的方式不做限定，控制单元120可以通过前置摄像头、距离传感器等器件获取上述参数。This embodiment does not limit how the control unit 120 obtains the interocular distance ef of the human eyes, the projection coordinates of the human eyes on the liquid crystal lens array 164, and the distance G between the human eyes and the liquid crystal lens array 164. The control unit 120 The above parameters can be obtained through devices such as a front camera and a distance sensor.
综上所述，本实施例提供的显示设备，通过控制单元向显示驱动单元发送显示图像帧，向透镜驱动单元发送透镜控制指令；显示驱动单元显示驱动单元驱动显示面板在若干条并列且间隔排布的显示区域上显示显示图像帧，每条显示区域用于各自显示显示图像帧的一部分显示内容；透镜驱动单元根据透镜控制指令控制各条液晶透镜的折射率；其中，每条显示区域各自显示的显示内容，通过各自对应的液晶透镜的折射，射向预定可视范围；解决了相关技术中，显示屏是广视角显示屏时，周围的其他人容易看到显示屏上的显示内容，引起用户隐私的泄露的问题；达到了将显示面板的可视范围限制在预定可视范围内，预定可视范围之外的区域无法看到或者无法清楚看到显示面板上的显示图像帧的效果。To sum up, in the display device provided by this embodiment, the control unit sends display image frames to the display drive unit, and sends lens control commands to the lens drive unit; The display image frame is displayed on the display area of the cloth, and each display area is used to display a part of the display content of the display image frame; the lens driving unit controls the refractive index of each liquid crystal lens according to the lens control command; wherein, each display area displays The displayed content is projected to the predetermined viewing range through the refraction of the respective corresponding liquid crystal lenses; it solves the problem that in the related technology, when the display screen is a wide viewing angle display screen, other people around can easily see the display content on the display screen, causing The problem of leakage of user privacy; the visible range of the display panel is limited to the predetermined visible range, and the area outside the predetermined visible range cannot be seen or clearly see the effect of the display image frame on the display panel.
在基于图1所示实施例提供的一个可选实施例中，显示设备100具有两种工作模式：广视角工作模式和窄视角工作模式。显示设备100可以在上述两种工作模式之间切换。In an optional embodiment provided based on the embodiment shown in FIG. 1 , the display device 100 has two working modes: a wide viewing angle working mode and a narrow viewing angle working mode. The display device 100 can be switched between the above two working modes.
当从广视角工作模式切换至窄视角工作模式时，控制单元120向显示驱动单元142和透镜驱动单元162发送第一状态切换指示，显示驱动单元142和透镜驱动单元162按照上述的工作方式进行工作。When switching from the wide viewing angle working mode to the narrow viewing angle working mode, the control unit 120 sends a first state switching instruction to the display driving unit 142 and the lens driving unit 162, and the display driving unit 142 and the lens driving unit 162 work according to the above-mentioned working mode .
当从窄视角工作模式切换至广视角工作模式时，控制单元120向显示驱动单元142和透镜驱动单元162发送第二状态切换指示。显示驱动单元142，用于在接收到第二状态切换指示之后，驱动显示面板142在整个显示区域上显示显示图像帧，也即常规的工作模式。透镜驱动单元162，用于在接收到第二状态切换指示之后，调节各条液晶透镜163的折射率，使得显示面板所对应的光线沿直线射出。When switching from the narrow viewing angle working mode to the wide viewing angle working mode, the control unit 120 sends a second state switching instruction to the display driving unit 142 and the lens driving unit 162 . The display driving unit 142 is configured to drive the display panel 142 to display image frames on the entire display area after receiving the second state switching instruction, that is, the normal working mode. The lens driving unit 162 is configured to adjust the refractive index of each liquid crystal lens 163 after receiving the second state switching instruction, so that the light corresponding to the display panel is emitted along a straight line.
本实施例通过提供两种可选的工作模式，可以满足用户在不同使用场景的显示需求。In this embodiment, by providing two optional working modes, the user's display requirements in different usage scenarios can be met.
在基于图1所示实施例提供的另一可选实施例中，当显示设备100处于窄视角工作模式时，显示面板144中两个相邻的显示区域143之间的闲置区域145可以显示预定的伪装显示内容，伪装显示内容是指用于在预定可视范围之外的范围内看到的显示内容。伪装显示内容通过各自对应的液晶透镜163的折射，射向预定可视范围以外的区域。伪装显示内容可以对显示区域143内显示的显示图像帧进行伪装，比如：显示图像帧是游戏画面，伪装显示内容是网页画面，则在预定可视范围内看到的是游戏画面，但在预定可视范围之外的范围内看到的是网页画面。In another optional embodiment provided based on the embodiment shown in FIG. 1 , when the display device 100 is in the narrow viewing angle working mode, the idle area 145 between two adjacent display areas 143 in the display panel 144 can display a predetermined The camouflaged display content refers to the display content used to be seen outside the predetermined visible range. The camouflaged display content is refracted by the respective corresponding liquid crystal lenses 163 , and is projected to areas outside the predetermined visible range. Masquerading display content can camouflage the display image frame displayed in the display area 143, such as: the display image frame is a game screen, and the masquerading display content is a web page screen, then what is seen in the predetermined visual range is a game screen, but in the predetermined visual range What is seen outside the visible range is the web page screen.
图5是根据一示例性实施例示出的一种显示方法的流程图。该方法应用于显示设备中，该显示设备包括控制单元、与控制单元相连的显示驱动单元和透镜驱动单元、与显示驱动单元相连的显示面板、以及与透镜驱动单元相连的液晶透镜阵列。液晶透镜阵列位于显示面板之上，液晶透镜阵列包括若干条并列排布的液晶透镜。该方法可以包括如下步骤。Fig. 5 is a flow chart showing a display method according to an exemplary embodiment. The method is applied in a display device, and the display device includes a control unit, a display drive unit and a lens drive unit connected with the control unit, a display panel connected with the display drive unit, and a liquid crystal lens array connected with the lens drive unit. The liquid crystal lens array is located on the display panel, and the liquid crystal lens array includes several liquid crystal lenses arranged side by side. The method may include the following steps.
在步骤501中，控制单元向显示驱动单元发送显示图像帧，向透镜驱动单元发送透镜控制指令。In step 501, the control unit sends a display image frame to the display drive unit, and sends a lens control instruction to the lens drive unit.
在步骤502中，显示驱动单元驱动显示面板在若干条并列且间隔排布的显示区域上显示显示图像帧，每条显示区域用于各自显示显示图像帧的一部分显示内容。In step 502, the display driving unit drives the display panel to display image frames on several parallel and spaced display areas, and each display area is used to display a part of the display content of the image frame.
在步骤503中，透镜驱动单元根据透镜控制指令控制各条液晶透镜的折射率。In step 503, the lens driving unit controls the refractive index of each liquid crystal lens according to the lens control instruction.
其中，每条显示区域各自显示的显示内容，通过各自对应的液晶透镜的折射，射向预定可视范围。Wherein, the display content displayed in each display area is refracted by the corresponding liquid crystal lens to the predetermined visible range.
其中，步骤502和步骤503是并列执行的步骤。Wherein, step 502 and step 503 are steps executed in parallel.
综上所述，本实施例提供的显示方法，通过控制单元向显示驱动单元发送显示图像帧，向透镜驱动单元发送透镜控制指令；显示驱动单元显示驱动单元驱动显示面板在若干条并列且间隔排布的显示区域上显示显示图像帧，每条显示区域用于各自显示显示图像帧的一部分显示内容；透镜驱动单元根据透镜控制指令控制各条液晶透镜的折射率；其中，每条显示区域各自显示的显示内容，通过各自对应的液晶透镜的折射，射向预定可视范围；解决了相关技术中，显示屏是广视角显示屏时，周围的其他人容易看到显示屏上的显示内容，引起用户隐私的泄露的问题；达到了将显示面板的可视范围限制在预定可视范围内，预定可视范围之外的区域无法看到或者无法清楚看到显示面板上的显示图像帧的效果。To sum up, in the display method provided by this embodiment, the control unit sends the display image frame to the display drive unit, and sends the lens control command to the lens drive unit; The display image frame is displayed on the display area of the cloth, and each display area is used to display a part of the display content of the display image frame; the lens driving unit controls the refractive index of each liquid crystal lens according to the lens control command; wherein, each display area displays The displayed content is projected to the predetermined viewing range through the refraction of the respective corresponding liquid crystal lenses; it solves the problem that in the related technology, when the display screen is a wide viewing angle display screen, other people around can easily see the display content on the display screen, causing The problem of leakage of user privacy; the visible range of the display panel is limited to the predetermined visible range, and the area outside the predetermined visible range cannot be seen or clearly see the effect of the display image frame on the display panel.
在基于图5所示实施例提供的一个可选实施例中，如图6所示，该方法包括：In an optional embodiment provided based on the embodiment shown in FIG. 5 , as shown in FIG. 6 , the method includes:
在步骤601中，当处于窄视角工作状态时，控制单元向显示驱动单元发送显示图像帧，向透镜驱动单元发送屏障控制指令。In step 601, when in the narrow viewing angle working state, the control unit sends display image frames to the display drive unit, and sends barrier control instructions to the lens drive unit.
由于显示流通常包括由一帧一帧的显示图像帧所组成的图像帧序列，所以本步骤会周期性地执行多次，或在显示图像帧发生变化时执行。Since the display stream usually includes a sequence of image frames composed of display image frames frame by frame, this step is executed periodically multiple times, or when the display image frame changes.
比如，控制单元每隔1/24秒执行一次本步骤。For example, the control unit executes this step every 1/24 second.
在步骤602中，显示驱动单元驱动显示面板在若干条并列且间隔排布的显示区域上显示显示图像帧，每条显示区域用于各自显示显示图像帧的一部分显示内容。In step 602 , the display driving unit drives the display panel to display image frames on several parallel and spaced display areas, and each display area is used to display a part of the display content of the display image frame.
作为一种可能的实现方式，本步骤可由如下步骤替代实现：As a possible implementation, this step can be replaced by the following steps:
1、显示驱动单元根据预存的位置信息在显示面板上确定若干条并列且间隔排布的显示区域的位置；1. The display drive unit determines the positions of several parallel and spaced display areas on the display panel according to the pre-stored position information;
2、显示驱动单元将显示图像帧进行拆分，得到与每条显示区域分别对应的显示内容；2. The display drive unit splits the display image frame to obtain the display content corresponding to each display area;
3、显示驱动单元根据位置驱动每条显示区域分别显示各自对应的显示内容。3. The display drive unit drives each display area to display the corresponding display content according to the position.
作为另一种可能的实现方式，控制单元根据各条液晶透镜的位置和折射率确定每条显示区域的位置，并且向显示驱动单元发送位置确定指令，位置确定指令用于指示每条显示区域的位置。相应地，本步骤可由如下步骤替代实现：As another possible implementation, the control unit determines the position of each display area according to the position and refractive index of each liquid crystal lens, and sends a position determination command to the display drive unit, and the position determination command is used to indicate the position of each display area. Location. Correspondingly, this step can be replaced by the following steps:
1、显示驱动单元接收控制单元发送的位置确定指令；1. The display drive unit receives the position determination instruction sent by the control unit;
2、显示驱动单元根据位置确定指令在显示面板上确定若干条并列且间隔排布的显示区域的位置；2. The display drive unit determines the positions of several parallel and spaced display areas on the display panel according to the position determination instruction;
3、显示驱动单元将显示图像帧进行拆分，得到与每条显示区域分别对应的显示内容；3. The display drive unit splits the display image frame to obtain the display content corresponding to each display area;
4、显示驱动单元根据位置驱动每条显示区域分别显示各自对应的显示内容。4. The display drive unit drives each display area to display the corresponding display content according to the position.
其中，每条显示区域各自显示的显示内容，通过各自对应的液晶透镜的折射，射向预定可视范围。可选地，预定可视范围是根据人眼的双眼间距所确定的范围。Wherein, the display content displayed in each display area is refracted by the corresponding liquid crystal lens to the predetermined visible range. Optionally, the predetermined visual range is a range determined according to the interocular distance of human eyes.
在步骤603中，透镜驱动单元根据透镜控制指令控制各条液晶透镜的折射率。In step 603, the lens driving unit controls the refractive index of each liquid crystal lens according to the lens control instruction.
其中，步骤602和步骤603是并列执行的步骤。Wherein, step 602 and step 603 are steps executed in parallel.
在步骤604中，控制单元在工作状态由窄视角工作状态切换为广视角工作状态时，向显示驱动单元和透镜驱动单元发送状态切换指示。In step 604, when the working state is switched from the narrow viewing angle working state to the wide viewing angle working state, the control unit sends a state switching instruction to the display driving unit and the lens driving unit.
在步骤605中，显示驱动单元在接收到状态切换指示之后，驱动显示面板在整个显示区域上显示显示图像帧。In step 605, after receiving the state switching instruction, the display driving unit drives the display panel to display the display image frame on the entire display area.
在步骤606中，透镜驱动单元在接收到状态切换指示之后，调节各条液晶透镜的折射率，使得显示面板所对应的光线沿直线射出。In step 606, after receiving the state switching instruction, the lens driving unit adjusts the refractive index of each liquid crystal lens, so that the light corresponding to the display panel is emitted along a straight line.
其中，步骤605和步骤606是并列执行的步骤。Wherein, step 605 and step 606 are steps performed in parallel.
需要说明的一点是，在工作状态由广视角工作状态切换为窄视角工作状态时，是上述步骤601至606的逆过程，是本领域技术人员通过上述步骤601至606的描述以及前面设备实施例中的描述所易于思及的，本文不再赘述。It should be noted that when the working state is switched from the wide viewing angle working state to the narrow viewing angle working state, it is the reverse process of the above-mentioned steps 601 to 606, which is described by those skilled in the art through the above-mentioned steps 601 to 606 and the previous device embodiments. What is easy to think about in the description in , will not be repeated in this article.
需要说明的另一点是，在工作状态是窄视角工作状态时，显示驱动单元驱动显示面板上两条相邻的显示区域之间的闲置区域处于不工作状态，或者，驱动显示面板上的闲置区域显示预定的伪装显示内容。其中，伪装显示内容通过各自对应的液晶透镜的折射，射向预定可视范围以外的区域。Another point that needs to be explained is that when the working state is the narrow viewing angle working state, the display drive unit drives the idle area between two adjacent display areas on the display panel to be in a non-working state, or drives the idle area on the display panel Displays a predetermined masquerade display content. Wherein, the camouflaged display content is refracted by the respective corresponding liquid crystal lenses, and is projected to an area outside the predetermined visible range.
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。Other embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179928.XACN107229142B (en) | 2016-03-25 | 2016-03-25 | Display apparatus and display method |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179928.XACN107229142B (en) | 2016-03-25 | 2016-03-25 | Display apparatus and display method |
| Publication Number | Publication Date |
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| CN107229142Atrue CN107229142A (en) | 2017-10-03 |
| CN107229142B CN107229142B (en) | 2020-06-02 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179928.XAActiveCN107229142B (en) | 2016-03-25 | 2016-03-25 | Display apparatus and display method |
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| CN (1) | CN107229142B (en) |
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