CN110727105A - Three-dimensional display device compatible with 2D image display - Google Patents
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及显示技术，更具体地说，本发明涉及立体显示技术。The present invention relates to display technology, and more particularly, the present invention relates to stereoscopic display technology.
背景技术Background technique
3D显示技术是可以实现立体场景真实再现的一种显示技术，其可以为人眼分别提供不同的视差图像，从而使人产生立体视觉。传统3D显示装置通过像素与分光元件的耦合，在空间中的不同视点位置投射与之对应的视差图像。对应于每一视点位置的视差图像均不相同，因此传统3D显示装置只能向观看者提供立体图像，不能在提供3D立体图像的同时，对部分有2D图像需求的用户提供2D图像显示。因此，本发明提出了一种兼容2D图像显示的立体显示装置。3D display technology is a display technology that can realize the true reproduction of stereoscopic scenes, and it can provide different parallax images for human eyes, so that people can produce stereoscopic vision. Traditional 3D display devices project parallax images corresponding to them at different viewpoint positions in space through the coupling of pixels and light-splitting elements. The parallax images corresponding to each viewpoint position are different, so traditional 3D display devices can only provide stereoscopic images to viewers, and cannot provide 2D image display to some users who need 2D images while providing 3D stereoscopic images. Therefore, the present invention proposes a stereoscopic display device compatible with 2D image display.
发明内容SUMMARY OF THE INVENTION
本发明提出了一种兼容2D图像显示的立体显示装置。附图1为该兼容2D图像显示的立体显示装置的结构示意图。该兼容2D图像显示的立体显示装置由光源条阵列、液晶显示面板、柱透镜光栅、第一摄像头及第二摄像头构成。The present invention provides a stereoscopic display device compatible with 2D image display. FIG. 1 is a schematic structural diagram of the stereoscopic display device compatible with 2D image display. The stereoscopic display device compatible with 2D image display is composed of a light source bar array, a liquid crystal display panel, a cylindrical lens grating, a first camera and a second camera.
所述光源条阵列由水平方向排列的光源条组成。光源条可以被点亮用以提供显示用的光能。The light source bar array is composed of light source bars arranged in a horizontal direction. The light bar can be lit to provide light energy for display.
所述柱透镜光栅放置于所述光源条阵列之前。各光源条发射的光线可被所述柱透镜光栅投射。光源条阵列中的多个光源条可经由柱透镜光栅投射后汇聚到空间中一点。The cylindrical lens grating is placed before the light source bar array. Light emitted by each light source bar can be projected by the cylindrical lens grating. A plurality of light source bars in the light source bar array can be projected through the cylindrical lens grating and then converged to a point in space.
所述液晶显示面板用于提供用于显示的视差图像。The liquid crystal display panel is used to provide parallax images for display.
所述第一摄像头和第二摄像头用于识别判断立体图像观看者右眼位置，其通过拍摄立体图像观看者右眼并利用立体图像观看者右眼在第一摄像头和第二摄像头所拍摄的两幅图像中的位置确定立体图像观看者右眼方位。The first camera and the second camera are used for identifying and judging the position of the right eye of the stereoscopic image viewer, by shooting the stereoscopic image viewer's right eye and using the stereoscopic image viewer's right eye on the two images captured by the first camera and the second camera. The position in the image determines the orientation of the right eye of the viewer of the stereoscopic image.
立体图像观看者右眼位置确定后，所述兼容2D图像显示的立体显示装置时分复用地进行兼容2D图像的立体图像显示。具体地，显示过程分为两个时间片隙。第一时间片隙内，所述光源条阵列中，与立体图像观看者右眼位置对应的各光源条打开，其余光源条关闭，所述液晶显示面板提供右视差图像，此时，可在立体图像观看者右眼位置处形成视点，并显示右视差图像，其余位置无任何图像显示；第二时间片隙内，所述光源条阵列中，与立体图像观看者右眼位置对应的各光源条关闭，其余光源条打开，所述液晶显示面板提供左视差图像，此时，立体图像观看者右眼位置处无图像显示，其余位置显示左视差图像。After the position of the right eye of the viewer of the stereoscopic image is determined, the stereoscopic display device compatible with 2D image display performs the stereoscopic image display compatible with the 2D image by time division multiplexing. Specifically, the display process is divided into two time slices. In the first time slot, in the light source bar array, each light source bar corresponding to the position of the right eye of the stereoscopic image viewer is turned on, and the remaining light source bars are turned off, and the liquid crystal display panel provides a right parallax image. A viewpoint is formed at the position of the right eye of the image viewer, and a right parallax image is displayed, and no image is displayed at other positions; in the second time slice, in the light source bar array, each light source bar corresponding to the position of the right eye of the stereoscopic image viewer turned off, the remaining light source strips are turned on, and the liquid crystal display panel provides left parallax images. At this time, no image is displayed at the right eye position of the stereoscopic image viewer, and left parallax images are displayed at other positions.
立体图像观看者在第一时间片隙内，右眼可以看到右视差图像，左眼无法看到任何图像；在第二时间片隙内，右眼无法看到任何图像，左眼可以看到左视差图像。从而立体图像观看者左右眼可以分别看到与之对应的视差图像，从而产生立体视觉。Stereoscopic image viewers can see the right parallax image with the right eye in the first time slice, but cannot see any image with the left eye; in the second time slice, the right eye cannot see any image, but the left eye can see it Left parallax image. Therefore, the left and right eyes of the stereoscopic image viewer can respectively see the corresponding parallax images, thereby generating stereoscopic vision.
其他2D图像观看者，只要其右眼位置不与立体图像观看者重叠，其在第一时间片隙内，左右眼均无法看到右视差图像；在第二时间片隙内，左右眼均只能看到左视差图像。因其左右眼看到的图像一致，故只能看到无视差的2D图像。For other 2D image viewers, as long as the position of their right eye does not overlap with the stereoscopic image viewer, in the first time slice, the left and right eyes cannot see the right parallax image; in the second time slice, both the left and right eyes only The left parallax image can be seen. Because the images seen by the left and right eyes are the same, only 2D images without parallax can be seen.
可选地，立体图像观看者可通过面部识别、位置区间限定等在本发明保护范围之外的常见方式确定。Optionally, the stereoscopic image viewer may be determined by common methods such as facial recognition, position interval definition, etc., which are outside the scope of protection of the present invention.
可选地，立体图像观看者右眼位置的判定可通过第一摄像头和第二摄像头拍摄，并计算右眼目标在第一摄像头和第二摄像头所采集到图像中的位移等在发明保护范围之外的常见算法确定。Optionally, the determination of the right eye position of the stereoscopic image viewer can be captured by the first camera and the second camera, and the calculation of the displacement of the right eye target in the images collected by the first camera and the second camera is within the protection scope of the invention. outside the common algorithm to determine.
可选地，所述第一摄像头和第二摄像头也可以识别判断立体图像观看者左眼位置，并使液晶显示面板在对应的时间片隙内提供左视差图像。Optionally, the first camera and the second camera can also identify and determine the position of the left eye of the viewer of the stereoscopic image, and enable the liquid crystal display panel to provide a left parallax image in a corresponding time slice.
可选地，第一时间片隙和第二时间片隙的顺序可以调换。Optionally, the order of the first time slice slot and the second time slice slot may be reversed.
可选地，柱透镜光栅可替换为狭缝光栅。Alternatively, the cylindrical lens grating can be replaced by a slit grating.
综上所述，因本发明的一种兼容2D图像显示的立体显示装置在立体图像观看者一只眼睛的位置提供一幅视差图像，除此位置外的所有空间位置提供另一幅视差图像，故仅有立体图像观看者可以看到立体图像，其余位置的观看者只能看到2D图像，从而实现兼容2D图像显示的立体显示。To sum up, because a stereoscopic display device compatible with 2D image display of the present invention provides a parallax image at the position of one eye of a stereoscopic image viewer, and provides another parallax image at all spatial positions other than this position, Therefore, only the stereoscopic image viewer can see the stereoscopic image, and the viewers in other positions can only see the 2D image, thereby realizing the stereoscopic display compatible with the 2D image display.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.
图1为本发明的结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2为本发明在第一时间片隙进行显示的示意图。FIG. 2 is a schematic diagram of displaying in the first time slice slot according to the present invention.
图3为本发明在第二时间片隙进行显示的示意图。FIG. 3 is a schematic diagram of displaying in the second time slice slot according to the present invention.
图标：010-一种兼容2D图像显示的立体显示装置；020-右视差图像显示光路；030-左视差图像显示光路；100-光源条阵列；110-光源条周期单元；200-液晶显示面板；300-柱透镜光栅；410-第一摄像头；420-第二摄像头。Icon: 010-a stereoscopic display device compatible with 2D image display; 020-right parallax image display light path; 030-left parallax image display light path; 100-light source bar array; 110- light source bar period unit; 200- liquid crystal display panel; 300-cylindrical lens grating; 410-first camera; 420-second camera.
应该理解上述附图只是示意性的，并没有按比例绘制。It should be understood that the above drawings are schematic only and are not drawn to scale.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.
实施例Example
图1为本实施例提供的一种兼容2D图像显示的立体显示装置010的结构示意图。图中x坐标表示空间中的水平方向，y坐标表示空间中的垂直方向，z表示与x-y平面垂直的方向。该兼容2D图像显示的立体显示装置010由光源条阵列100、液晶显示面板200、柱透镜光栅300、第一摄像头410及第二摄像头420构成。FIG. 1 is a schematic structural diagram of a
所述光源条阵列100由水平方向排列的光源条组成。光源条由有机发光二极管构成，可方便地制成细长结构，并被点亮用以提供显示用的光能。The light
所述柱透镜光栅300放置于所述光源条阵列100之前。各光源条发射的光线可被所述柱透镜光栅300投射。请参考图2，各光源条的空间位置与所述柱透镜光栅300的位置精确耦合，在全部的光源条周期单元110中，同一位置的光源条发出的光线可被所述柱透镜光栅300投射后汇聚到空间中一点。The cylindrical lens grating 300 is placed before the light
所述液晶显示面板300用于提供用于显示的视差图像。The liquid
所述第一摄像头410和第二摄像头420用于识别判断立体图像观看者右眼位置，请参考图1。The first camera 410 and the
其一种具体的实施方法为：第一步，判断观看者是否为立体图像观看者。第一摄像头410和第二摄像头420同时对观看者进行拍照。观看者位置不同时，其在第一摄像头410和第二摄像头420拍摄的图像中的位置也应不同。现在拍摄所得的图像中定义一个像素区域，当观看者的影像处于该像素区域内时，将其判断为立体图像观看者。第二步，对已经识别出的立体图像观看者，判断其右眼的空间位置。请参考图1，因第一摄像头410和第二摄像头420在水平方向上存在位移，故其所拍摄到的图像应存在视差，即立体图像观看者右眼在第一摄像头410和第二摄像头420拍摄到的两幅图像中像素位置不同。立体图像观看者右眼在两幅图片中在水平方向位置的平均值决定了立体图像观看者右眼所处于的方向；立体图像观看者右眼在两幅图片中像素水平坐标之差，即视差大小，决定了观看者到屏幕的距离。具体的，当立体图像观看者右眼距离屏幕越远时，其视差越小；当立体图像观看者距离屏幕右眼越近时，视差越大。故第一摄像头410和第二摄像头420可以确定观看者右眼位置。A specific implementation method thereof is as follows: the first step is to determine whether the viewer is a stereoscopic image viewer. The first camera 410 and the
其另一种用于判断立体图像观看者的具体的实施方法为：第一步，判断观看者是否为立体图像观看者。第一摄像头410和第二摄像头420同时对观看者进行拍照。对采集到的观看者图像进行目标识别，若该观看者的图像特征和已经被预先注册为立体图像观看者的图像特征吻合，则判断其为立体图像观看者。Another specific implementation method for judging a stereoscopic image viewer is as follows: the first step is to determine whether the viewer is a stereoscopic image viewer. The first camera 410 and the
其余观看者可被视为2D图像观看者。The remaining viewers can be regarded as 2D image viewers.
值得说明的是，上述判定立体图像观看者的方式和过程是常见的技术方法，不包含在本发明的保护范围之内。此外，亦可以有其他方法实现上述功能。It should be noted that the above method and process of determining the viewer of a stereoscopic image are common technical methods and are not included in the protection scope of the present invention. In addition, there may also be other methods to achieve the above functions.
立体图像观看者右眼位置确定后，所述兼容2D图像显示的立体显示装置010时分复用地进行兼容2D图像的立体图像显示。具体地，显示过程分为两个时间片隙。After the right eye position of the viewer of the stereoscopic image is determined, the
第一时间片隙内的显示原理请参照图2，所述光源条阵列100中，每个光源条周期单元110中具有6条光源条，因此其可在空间中提供6个不同的观看位置。光源条周期单元110中左数第二个光源条与图中当前立体图像观看者右眼位置对应。当立体图像观看者右眼处于该位置并被所述第一摄像头410和第二摄像头420检测到后，每个光源条周期单元110中的左数第二个光源条打开，其余光源条关闭。此时，所有点亮的光源条所发射的光线可经柱透镜光栅300汇聚后投射至当前立体图像观看者右眼位置。同时，所述液晶显示面板200提供对应于立体图像观看者右眼的右视差图像，从而本实施例可在立体图像观看者右眼位置处形成视点，并显示右视差图像。其余空间位置上，因没有与其位置对应的光源条打开，故无显示用的光能支持，因此无任何图像显示。2, in the light
第二时间片隙内的显示情况请参考图3，所述光源条阵列100中，与每个光源条周期单元110中的左数第二个光源条关闭，其余5个光源条打开，所述液晶显示面板200提供左视差图像，此时，立体图像观看者右眼位置处因每个光源条周期单元110中的左数第二个光源条关闭，无法提供显示用的光能，从而无图像显示，其余5个位置显示左视差图像。Please refer to FIG. 3 for the display situation in the second time slot. In the light
综上所述，立体图像观看者在第一时间片隙内，右眼可以看到右视差图像，左眼无法看到任何图像；在第二时间片隙内，右眼无法看到任何图像，左眼可以看到左视差图像。从而立体图像观看者左右眼可以分别看到与之对应的视差图像，从而产生立体视觉。其他2D图像观看者，只要其右眼位置不与立体图像观看者重叠，其在第一时间片隙内，左右眼均无法看到右视差图像；而在第二时间片隙内，左右眼均只能看到左视差图像。因其左右眼看到的图像一致，故只能看到无视差的2D图像。故而本实施例可以实现兼容2D图像显示的立体显示。To sum up, in the first time slice, the right eye can see the right parallax image, but the left eye cannot see any image; in the second time slice, the right eye cannot see any image, The left eye can see the left parallax image. Therefore, the left and right eyes of the stereoscopic image viewer can respectively see the corresponding parallax images, thereby generating stereoscopic vision. For other 2D image viewers, as long as their right eye position does not overlap with the stereoscopic image viewer, in the first time slice, the left and right eyes cannot see the right parallax image; in the second time slice, both left and right eyes cannot see the right parallax image. Only the left parallax image can be seen. Because the images seen by the left and right eyes are the same, only 2D images without parallax can be seen. Therefore, this embodiment can realize stereoscopic display compatible with 2D image display.
Claims (4)
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