







技术领域technical field
本发明是关于一种胆固醇液晶显示装置,特别是关于一种胆固醇液晶显示装置的像素结构。The present invention relates to a cholesteric liquid crystal display device, in particular to a pixel structure of a cholesteric liquid crystal display device.
背景技术Background technique
随着显示技术的进步,越来越多种类的显示器被发展出来,其中,胆固醇液晶显示装置(Cholesteric Liquid Crystal Display,ChLCD)是利用显示介质自身的特性来调节外来光源以产生所要显示的色彩。With the advancement of display technology, more and more types of displays have been developed. Among them, Cholesteric Liquid Crystal Display (ChLCD) uses the characteristics of the display medium itself to adjust the external light source to produce the color to be displayed.
胆固醇液晶显示装置所使用的显示介质为胆固醇液晶,具有双稳态(Bistable)的特性。具体而言,胆固醇液晶分子排列具有焦点圆锥排列状态(Focal Conic State)与平面排列状态(Planar State)两种稳定状态,因此具有双稳态特性,亦即胆固醇液晶不需要外界给予额外的能量即可维持原本的液晶分子排列状态。当施加一个电压时,可控制胆固醇液晶分子的排列状态在焦点圆锥排列状态与平面排列状态两种稳态之间转换。如前所述,当胆固醇液晶呈现平面排列状态时,此时会反射特定波长的光线;相反地,当胆固醇液晶呈现焦点圆锥排列状态时,光线就会穿透。因此,利用施加于胆固醇液晶的电压可控制胆固醇液晶是被光线穿透或是反射特定波长的光线。The display medium used in the cholesteric liquid crystal display device is cholesteric liquid crystal, which has a bistable property. Specifically, the molecular arrangement of cholesteric liquid crystals has two stable states: focal conic state (Focal Conic State) and planar state (Planar State), so it has bistable characteristics, that is, cholesteric liquid crystals do not require additional energy from the outside world. The original alignment state of liquid crystal molecules can be maintained. When a voltage is applied, the alignment state of the cholesteric liquid crystal molecules can be controlled to switch between the focal conic alignment state and the planar alignment state. As mentioned above, when the cholesteric liquid crystals are arranged in a planar state, light of a specific wavelength will be reflected; conversely, when the cholesteric liquid crystals are arranged in a focal conic state, the light will pass through. Therefore, the voltage applied to the cholesteric liquid crystal can be used to control whether the cholesteric liquid crystal is transmitted by light or reflects light of a specific wavelength.
现有的多色彩胆固醇液晶显示器,是利用三层胆固醇结构,借由堆叠三层反射不同颜色的胆固醇液晶,并搭配多种不同驱动方式,使此显示器能产生不同颜色的反射,其缺点在于三层堆叠结构的电极需各别进行控制,导致整体结构复杂且厚度过大。The existing multi-color cholesteric liquid crystal display uses a three-layer cholesteric structure. By stacking three layers of cholesteric liquid crystals that reflect different colors, and matching with a variety of different driving methods, the display can produce reflections of different colors. The disadvantages lie in three The electrodes of the layer stack structure need to be controlled individually, resulting in a complex overall structure and excessive thickness.
因此,本发明的主要目的在于提供一种胆固醇液晶显示装置的像素结构,以解决上述问题。Therefore, the main purpose of the present invention is to provide a pixel structure of a cholesteric liquid crystal display device to solve the above problems.
发明内容Contents of the invention
本发明的目的在于提供一种胆固醇液晶显示装置的像素结构,可以使显示装置实现多色彩的显示效果,并达到薄型化与结构简单的特点。The object of the present invention is to provide a pixel structure of a cholesteric liquid crystal display device, which can enable the display device to achieve multi-color display effects, and achieve the characteristics of thinning and simple structure.
为达所述优点至少其中之一或其他优点,本发明的一实施例提出一种胆固醇液晶显示装置的像素结构。此胆固醇液晶显示装置的像素结构包括自下而上依序堆叠的吸光层、第一电极层、第一胆固醇液晶层、第二电极层与滤光层,入射光是自所述滤光层的上方射入。In order to achieve at least one of the above advantages or other advantages, an embodiment of the present invention provides a pixel structure of a cholesteric liquid crystal display device. The pixel structure of this cholesteric liquid crystal display device includes a light absorbing layer, a first electrode layer, a first cholesteric liquid crystal layer, a second electrode layer and a filter layer stacked in sequence from bottom to top, and the incident light is from the filter layer Inject from above.
滤光层包括第一滤光单元与第二滤光单元,第一滤光单元容许第一色光穿透,第二滤光单元容许第二色光穿透。The filter layer includes a first filter unit and a second filter unit, the first filter unit allows the first color light to pass through, and the second filter unit allows the second color light to pass through.
第一胆固醇液晶层包括第一胆固醇液晶区域与第二胆固醇液晶区域,第一胆固醇液晶区域与第二胆固醇液晶区域容许入射光穿透或是反射出第三色光。The first cholesteric liquid crystal layer includes a first cholesteric liquid crystal region and a second cholesteric liquid crystal region. The first cholesteric liquid crystal region and the second cholesteric liquid crystal region allow incident light to pass through or reflect a third color light.
在一些实施例中,所述第三色光是涵盖所述第一色光与所述第二色光两种以上色光的混合色光。In some embodiments, the third color light is a mixed color light including two or more colors of the first color light and the second color light.
在一些实施例中,所述第一色光与所述第二色光的颜色是选自红-绿、红-蓝、蓝-绿所构成群组中的其中一种。In some embodiments, colors of the first color light and the second color light are selected from the group consisting of red-green, red-blue, and blue-green.
在一些实施例中,所述第一电极层包括第一电极单元与第二电极单元,所述第二电极层包括第三电极单元与第四电极单元,所述第一电极单元与所述第三电极单元对应于所述第一胆固醇液晶区域,所述第二电极单元与所述第四电极单元对应于所述第二胆固醇液晶区域。In some embodiments, the first electrode layer includes a first electrode unit and a second electrode unit, the second electrode layer includes a third electrode unit and a fourth electrode unit, and the first electrode unit and the first electrode unit The three-electrode unit corresponds to the first cholesteric liquid crystal region, and the second electrode unit and the fourth electrode unit correspond to the second cholesteric liquid crystal region.
在一些实施例中,所述胆固醇液晶显示装置的像素结构还包括第三电极层、第四电极层与第二胆固醇液晶层,所述第三电极层设置于所述滤光层上,所述第二胆固醇液晶层设置于所述第三电极层上,所述第四电极层设置于所述第二胆固醇液晶层上,其中,所述第二胆固醇液晶层容许所述入射光穿透或是反射出第四色光。In some embodiments, the pixel structure of the cholesteric liquid crystal display device further includes a third electrode layer, a fourth electrode layer and a second cholesteric liquid crystal layer, the third electrode layer is disposed on the filter layer, and the The second cholesteric liquid crystal layer is disposed on the third electrode layer, and the fourth electrode layer is disposed on the second cholesteric liquid crystal layer, wherein the second cholesteric liquid crystal layer allows the incident light to pass through or Reflects fourth color light.
在一些实施例中,所述第三色光与所述第四色光为互补色光。In some embodiments, the third color light and the fourth color light are complementary color lights.
在一些实施例中,所述第四色光的颜色选自蓝色、绿色或红色中的一种。In some embodiments, the color of the fourth color light is selected from one of blue, green or red.
在一些实施例中,所述第四色光的颜色不同于所述第一色光与所述第二色光的颜色。In some embodiments, a color of the fourth color light is different from colors of the first color light and the second color light.
在一些实施例中,所述第三电极层与所述第四电极层对应于第二胆固醇液晶层。In some embodiments, the third electrode layer and the fourth electrode layer correspond to a second cholesteric liquid crystal layer.
在一些实施例中,所述吸光层是以黑色材质制成。In some embodiments, the light absorbing layer is made of black material.
因此,利用本发明所提供之胆固醇液晶显示装置的像素结构,借由第一胆固醇液晶层与滤光层的搭配设置,可以使显示装置实现多色彩的显示效果,并达到薄型化与结构简单的特点。此外,借由第二胆固醇液晶层的设置,可以使显示装置实现全色彩的显示效果,进一步提升显示性能。Therefore, by using the pixel structure of the cholesteric liquid crystal display device provided by the present invention, the display device can realize multi-color display effects by the collocation of the first cholesteric liquid crystal layer and the filter layer, and achieve thinning and simple structure. features. In addition, with the arrangement of the second cholesteric liquid crystal layer, the display device can realize a full-color display effect, further improving the display performance.
上述说明仅是本发明技术方案的概述,为了能够更清楚了解本发明的技术手段,而可依照说明书的内容予以实施,并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂,以下列举较佳实施例,并配合附图,详细说明如下。The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the preferred embodiments are listed below, and in conjunction with the accompanying drawings, the detailed description is as follows.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,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的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1是本发明胆固醇液晶显示装置的像素结构一实施例的结构示意图;Fig. 1 is the structural representation of an embodiment of the pixel structure of the cholesteric liquid crystal display device of the present invention;
图2A是图1中胆固醇液晶显示装置的像素结构显示黄色的结构示意图;FIG. 2A is a schematic structural diagram showing yellow in the pixel structure of the cholesteric liquid crystal display device in FIG. 1;
图2B是图1中胆固醇液晶显示装置的像素结构显示红色的结构示意图;FIG. 2B is a schematic diagram of the pixel structure of the cholesteric liquid crystal display device in FIG. 1 displaying red;
图2C是图1中胆固醇液晶显示装置的像素结构显示绿色的结构示意图;FIG. 2C is a structural schematic diagram of the pixel structure of the cholesteric liquid crystal display device in FIG. 1 displaying green;
图2D是图1中胆固醇液晶显示装置的像素结构显示黑色的结构示意图;FIG. 2D is a structural schematic diagram showing black in the pixel structure of the cholesteric liquid crystal display device in FIG. 1;
图3是本发明胆固醇液晶显示装置的像素结构另一实施例的结构示意图;Fig. 3 is a structural schematic diagram of another embodiment of the pixel structure of the cholesteric liquid crystal display device of the present invention;
图4A是图3中胆固醇液晶显示装置的像素结构显示白色的结构示意图;以及FIG. 4A is a schematic structural diagram showing white in the pixel structure of the cholesteric liquid crystal display device in FIG. 3; and
图4B是图3中胆固醇液晶显示装置的像素结构显示黄色的结构示意图。FIG. 4B is a structural schematic diagram of the pixel structure of the cholesteric liquid crystal display device in FIG. 3 displaying yellow.
附图标记:10、20-像素结构;100-吸光层;110-第一基板;120-第一电极层;121-第一电极单元;122-第二电极单元;130-第一胆固醇液晶层;131-第一胆固醇液晶区域;132-第二胆固醇液晶区域;140-第二电极层;141-第三电极单元;142-第四电极单元;150-第二基板;160-滤光层;161-第一滤光单元;162-第二滤光单元;210-第三电极层;220-第二胆固醇液晶层;230-第四电极层;L-入射光;R-红光;G-绿光;B-蓝光。Reference signs: 10, 20 - pixel structure; 100 - light absorbing layer; 110 - first substrate; 120 - first electrode layer; 121 - first electrode unit; 122 - second electrode unit; 130 - first cholesteric liquid crystal layer 131-first cholesteric liquid crystal region; 132-second cholesteric liquid crystal region; 140-second electrode layer; 141-third electrode unit; 142-fourth electrode unit; 150-second substrate; 160-filter layer; 161-first filter unit; 162-second filter unit; 210-third electrode layer; 220-second cholesteric liquid crystal layer; 230-fourth electrode layer; L-incident light; R-red light; G- Green light; B-blue light.
具体实施方式Detailed ways
这里所公开的具体结构和功能细节仅仅是代表性的,并且是用于描述本发明的示例性实施例的目的。但是本发明可以通过许多替换形式来具体实现,并且不应当被解释成仅仅受限于这里所阐述的实施例。Specific structural and functional details disclosed herein are representative only and for purposes of describing example embodiments of the present invention. This invention may, however, be embodied in many alternative forms and should not be construed as limited to only the embodiments set forth herein.
在本发明的描述中,需要理解的是,术语“中心”、“横向”、“上”、“下”、“左”、“右”、“垂直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或组件必须具有特定的方位、或以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。另外,术语“包括”及其任何变形,皆为“至少包含”的意思。In describing the present invention, it should be understood that the terms "central", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Components must have a particular orientation, or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In addition, the term "comprising" and any variations thereof mean "comprising at least".
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸的连接,或一体成型的连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个组件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. The connection, or integrally formed connection; can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指,否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是,这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在,而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "an" are intended to include the plural unless the context clearly dictates otherwise. It should also be understood that the terms "comprising" and/or "comprising" as used herein specify the presence of stated features, integers, steps, operations, units and/or components, but do not exclude the presence or addition of one or more Other features, integers, steps, operations, units, components and/or combinations thereof.
请参阅图1,图1是本发明胆固醇液晶显示装置的像素结构10一实施例的结构示意图。为达所述优点至少其中之一或其他优点,本发明的一实施例提供一种胆固醇液晶显示装置的像素结构10。Please refer to FIG. 1 . FIG. 1 is a structural diagram of an embodiment of a
如图1中所示,胆固醇液晶显示装置的像素结构10包括自下而上依序堆叠的吸光层100、第一基板110、第一电极层120、第一胆固醇液晶层130、第二电极层140、第二基板150与滤光层160。入射光是自滤光层160的上方射入。进一步说明,第一电极层120是附着于第一基板110的上表面,第二电极层140是附着于第二基板150的下表面。不过本案不限于此。在其他实施例中,第一电极层120可以是附着于第一基板110的下表面,意即第一电极层120位于第一基板110与吸光层100之间;第二电极层140是附着于第二基板150的上表面,意即位于第二基板150与滤光层160之间。也就是说,第一电极层120与第二电极层140可根据实际需求而选择性的分别设置于第一基板110与第二基板150的上表面或下表面。As shown in FIG. 1 , the
滤光层160包括第一滤光单元161与第二滤光单元162。第一基板110与第二基板150可以是玻璃基板或塑料基板。吸光层100用于吸收入射光,可以是以黑色材质制成。The
第一滤光单元161容许第一色光穿透,第二滤光单元162容许第二色光穿透。也就是说,入射光在射入滤光层160时,第一滤光单元161可以透射入射光中的第一色光,使第一色光照射至第一胆固醇液晶层130;第二滤光单元162可以透射入射光中的第二色光,使第二色光照射至第一胆固醇液晶层130。在一实施例中,此滤光层160是由滤光器形成,其中的第一滤光单元161与第二滤光单元162是滤光器过滤不同光色的二个部分。滤光层160亦可以是由任意其它可以容许第一色光与第二色光穿透的材质构成。在一实施例中,第一滤光单元161与第二滤光单元162可以在不施加电压的情况下容许第一色光与第二色光穿透。The
在本实施例中,第一电极层120包括第一电极单元121与第二电极单元122,第二电极层140包括第三电极单元141与第四电极单元142,第一电极单元121与第二电极单元122的电压不同,第三电极单元141与第四电极单元142的电压不同。第一电极单元121与第三电极单元141对应于第一胆固醇液晶层130之第一胆固醇液晶区域131,第二电极单元122与第四电极单元142对应于第一胆固醇液晶层130之第二胆固醇液晶区域132。在一实施例中,第一胆固醇液晶区域131夹在第一电极单元121与第三电极单元141之间,即对应于第三电极单元141的下方;第二胆固醇液晶区域132夹在第二电极单元122与第四电极单元142之间,即对应于第四电极单元142的下方。在一实施例中,第一胆固醇液晶区域131对应于第一滤光单元161的下方,第二胆固醇液晶区域132对应于第二滤光单元162的下方。在一实施例中,第一电极单元121与第二电极单元122是相同的电极单元,且是接地电极。In this embodiment, the
第一电极单元121及第三极元141用以对第一胆固醇液晶区域131施加电压,使得第一胆固醇液晶区域131内的胆固醇液晶分子的排列发生旋转,控制第一胆固醇液晶区域131容许入射光穿透或是反射特定波长的光线,即反射第一色光。第二电极单元122及第四极元142用以对第二胆固醇液晶区域132施加电压,使得第二胆固醇液晶区域132内的胆固醇液晶分子的排列发生旋转,控制第二胆固醇液晶区域132容许入射光穿透或是反射特定波长的光线,即反射第二色光。当第一胆固醇液晶区域131与第二胆固醇液晶区域132分别反射出第一色光与第二色光时,反射出的第一色光与第二色光会混合形成第三色光,也就是说,第一胆固醇液晶层130可以反射出第三色光。在一实施例中,第三色光可以是涵盖前述第一色光与第二色光两种以上色光的混合色光。举例来说,第一胆固醇液晶层130可以通过添加不同旋转螺距的旋光剂,在反射第一色光与第二色光的基础上,再反射出其它颜色的色光。The
为了清楚阐述本实施例像素结构10的显示方式,以下将以第一色光的颜色、第二色光的颜色、第三色光的颜色分别设定为红色、绿色和黄色来进行说明。这样的显示颜色仅仅是举例说明用,并非用以限定本发明。亦即,在其他实施例中,第一色光的颜色和第二色光的颜色可以是红色和蓝色的组合或是蓝色和绿色的组合,由于第三色光为第一色光与第二色光的混合色光,即第三色光的颜色可以是对应的亮紫色或青色。In order to clearly illustrate the display mode of the
若要使得像素结构10呈现黄色,如图2A所示,当入射光L(白光)射入滤光层160时,第一滤光单元161会容许入射光L中的红光R穿透,第二滤光单元162会容许入射光L中的绿光G穿透。此时,第一电极单元121与第三电极单元141对第一胆固醇液晶区域131施加电压,第二电极单元122与第四电极单元142对第二胆固醇液晶区域132施加电压,调整胆固醇液晶的螺旋距至对应状态,控制第一胆固醇液晶区域131与第二胆固醇液晶区域132分别反射红光R与绿光G,反射出的红光R与绿光G会穿出滤光层160混合形成第三色光,也就是黄光。整体来看,此像素结构10即可产生黄光。To make the
进一步说明,由于第一胆固醇液晶区域131与第二胆固醇液晶区域132是分施加控制的,也就是说,第一胆固醇液晶区域131与第二胆固醇液晶区域132是独立控制的,二者的螺旋距状态不相互干扰。在一实施例中,第一胆固醇液晶区域131与第二胆固醇液晶区域132之间可设置隔离板,以进一步确保第一胆固醇液晶区域131与第二胆固醇液晶区域132的独立性。Further illustrate, because the first cholesteric
若要使得像素结构10呈现红色,如图2B所示,当入射光L(白光)射入滤光层160时,第一滤光单元161会容许入射光L中的红光R穿透,第二滤光单元162会容许入射光L中的绿光G穿透。此时,第一电极单元121与第三电极单元141对第一胆固醇液晶区域131施加电压,调整胆固醇液晶的螺旋距至对应状态,控制第一胆固醇液晶区域131反射红光R;另一方面,第二胆固醇液晶区域132则是容许入射光L穿透至下方的吸光层100,并由吸光层100吸收。此时,像素结构10由于仅反射出红光R,便呈现红色。To make the
若要使得像素结构10呈现绿色,如图2C所示,当入射光L(白光)射入滤光层160时,第一滤光单元161会容许入射光L中的红光R穿透,第二滤光单元162会容许入射光L中的绿光G穿透。此时,第二电极单元122与第四电极单元142对第二胆固醇液晶区域132施加电压,调整胆固醇液晶的螺旋距至对应状态,控制第二胆固醇液晶区域132反射绿光G;另一方面,第一胆固醇液晶区域131则是容许入射光L穿透至下方的吸光层100,并由吸光层100吸收。此时,像素结构10由于仅反射出绿光G,便呈现绿色。To make the
若要使得像素结构10呈现黑色,如图2D所示,当入射光L(白光)射入滤光层160时,第一滤光单元161会容许入射光L中的红光R穿透,第二滤光单元162会容许入射光L中的绿光G穿透。此时,第一胆固醇液晶区域131与第二胆固醇液晶区域132皆容许入射光L穿透。穿透的入射光L会被吸光层100所吸收掉,进而使得像素结构10呈现黑色。To make the
整体而言,通过调整第一电极单元121与第三电极单元141对第一胆固醇液晶区域131施加的电压,第二电极单元122与第四电极单元142对第二胆固醇液晶区域132施加的电压,可以使像素结构10呈现黄色、红色、绿色或黑色。Overall, by adjusting the voltage applied to the first cholesteric
此外,由于胆固醇液晶显示装置是具有多个像素结构10,利用多个呈现出不同颜色的像素结构10来相互组合搭配,使得胆固醇液晶显示装置得以显示出由多种颜色所构成的影像。此外,相较于传统多色彩的胆固醇液晶显示器,需要多层胆固醇结构堆叠构成,本案的胆固醇液晶显示装置的整体厚度较薄,结构简单。In addition, since the cholesteric liquid crystal display device has a plurality of
前述实施例是将第一色光的颜色、第二色光的颜色、第三色光的颜色分别设定为红色、绿色和黄色来进行说明,不过亦不限于此。在其他实施例中,当第一色光与第二色光的颜色分别对应为红色和蓝色时,像素结构10可呈现红色、蓝色、亮紫色或黑色。当第一色光与第二色光的颜色分别对应为蓝色和绿色时,像素结构10可呈现蓝色、绿色、青色或黑色。In the foregoing embodiment, the color of the first color light, the color of the second color light, and the color of the third color light are respectively set as red, green and yellow for illustration, but it is not limited thereto. In other embodiments, when the colors of the first color light and the second color light correspond to red and blue respectively, the
请参阅图3,图3是本发明胆固醇液晶显示装置的像素结构20另一实施例的结构示意图。为达所述优点至少其中之一或其他优点,本发明的另一实施例进一步提供一种胆固醇液晶显示装置的像素结构20。如图3所示,本实施例的胆固醇液晶显示装置的像素结构20相较于图1中的胆固醇液晶显示装置的像素结构10而言,相同部分不再赘述。此像素结构20在滤光层160上还设置有第三电极层210、第四电极层230与第二胆固醇液晶层220。Please refer to FIG. 3 . FIG. 3 is a structural diagram of another embodiment of the
第三电极层210位于滤光层160上方,第二胆固醇液晶层220位于第三电极层210上方,第四电极层230位于第二胆固醇液晶层220上方。在一实施例中,第三电极层210与第四电极层230是分别附着于二个基板的表面,第三电极层210与其中一个基板的位置关系可参考前述第一电极层120与第一基板110的位置关系,第四电极层230与另一个基板的位置关系可参考前述第二电极层140与第二基板150的位置关系。The
在本实施例中,第三电极层210与第四电极层230对应于第二胆固醇液晶层220,用以对第二胆固醇液晶层220施加电压,使得第二胆固醇液晶层220内的胆固醇液晶分子的排列发生旋转,控制第二胆固醇液晶层220容许入射光穿透或是反射第四色光。值得说明的是,当第二胆固醇液晶层220反射第四色光时,入射光中未被其反射的光会继续射入至滤光层160。In this embodiment, the
此处继续沿用前述对第一色光、第二色光与第三色光的颜色设定,并将第四色光的颜色设定为蓝色。Here, the aforementioned color settings for the first color light, the second color light, and the third color light are continued to be used, and the color of the fourth color light is set to blue.
若要使得像素结构20呈现白色,如图4A所示,当入射光L(白光)照射至第二胆固醇液晶层220时,第三电极层210与第四电极层230对第二胆固醇液晶层220施加电压,调整胆固醇液晶的螺旋距至对应状态,控制第二胆固醇液晶层220反射入射光L中的蓝光B,其余光会继续射入滤光层160。第一滤光单元161会容许入射光L中的红光R穿透,第二滤光单元162会容许入射光L中的绿光G穿透。此时,第一电极单元121与第三电极单元141对第一胆固醇液晶区域131施加电压,第二电极单元122与第四电极单元142对第二胆固醇液晶区域132施加电压,分别调整胆固醇液晶的螺旋距至对应状态,控制第一胆固醇液晶区域131与第二胆固醇液晶区域132分别反射红光R与绿光G,反射出的红光R与绿光G会混合形成第三色光,也就是黄光。最终,第二胆固醇液晶层220反射的蓝光B与第一胆固醇液晶层130反射的黄光会混合形成白光,也就是,此像素结构20可通过反射的方式产生白光,呈现白色。To make the
若要使得像素结构20呈现黄色,如图4B所示,当入射光L(白光)照射至第二胆固醇液晶层220时,第二胆固醇液晶层220会被入射光L穿透,穿透的入射光L继续射入滤光层160。第一滤光单元161会容许入射光L中的红光R穿透,第二滤光单元162会容许入射光L中的绿光G穿透。此时,第一电极单元121与第三电极单元141对第一胆固醇液晶区域131施加电压,第二电极单元122与第四电极单元142对第二胆固醇液晶区域132施加电压,分别调整胆固醇液晶的螺旋距至对应状态,控制第一胆固醇液晶区域131与第二胆固醇液晶区域132分别反射红光R与绿光G,反射出的红光R与绿光G会混合形成第三色光,也就是黄光。也就是说,此像素结构20可通过反射的方式产生黄光,呈现黄色。To make the
进一步说明,可以理解的是,此像素结构20搭配图2B至图2D中的第一胆固醇液晶区域131和第二胆固醇液晶区域132的使用状态,在第二胆固醇液晶层220反射蓝光B的情况下,像素结构20还可呈现以下几种颜色:1、第一胆固醇液晶区域131反射红光R,第二胆固醇液晶区域132被入射光L穿透,此时像素结构20呈现亮紫色;2、第二胆固醇液晶层220反射蓝光B,第一胆固醇液晶区域131被入射光L穿透,第二胆固醇液晶区域132反射绿光G,此时像素结构20呈现青色;3、第一胆固醇液晶区域131与第二胆固醇液晶区域132皆被入射光L穿透,此时像素结构20呈现蓝色。To further illustrate, it can be understood that, when the
在第二胆固醇液晶层220使得入射光L穿透的情况下,像素结构20还可进一步呈现以下几种颜色:4、第一胆固醇液晶区域131反射红光R,第二胆固醇液晶区域132被入射光L穿透,此时像素结构20呈现红色;5、第一胆固醇液晶区域131被入射光L穿透,第二胆固醇液晶区域132反射绿光G,此时像素结构20呈现绿色;6、第一胆固醇液晶区域131与第二胆固醇液晶区域132皆被入射光L穿透,穿透的入射光L被吸光层100所吸收掉,此时像素结构20呈现黑色。When the second cholesteric
整体而言,通过调整第一电极单元121与第三电极单元141对第一胆固醇液晶区域131施加的电压,第二电极单元122与第四电极单元142对第二胆固醇液晶区域132施加的电压,以及第三电极层210与第四电极层230对第二胆固醇液晶层220施加的电压,可以使像素结构20呈现白色、蓝色、青色、亮紫色、黑色、绿色、红色与黄色。Overall, by adjusting the voltage applied to the first cholesteric
进一步说明,当第一滤光单元161与第二滤光单元162容许的第一色光与第二色光的颜色改变时,例如分别允许红光R和蓝光B穿透、或分别允许蓝光B和绿光G穿透时,第二胆固醇液晶层220欲要反射的第四色光也随之改变为对应的绿光G或红光R。具体而言,第四色光的颜色可参考第四色光与第三色光为互补色光、且第四色光的颜色不同于第一色光与第二色光的颜色的标准。所述互补色光是指第四色光与第三色光等量相加后形成白光。举例来说,当第一色光与第二色光的颜色分别对应为红色和蓝色时,第四色光的颜色为绿色,像素结构20可呈现白色、蓝色、青色、亮紫色、黑色、绿色、红色与黄色。当第一色光与第二色光的颜色分别对应为蓝色和绿色时,第四色光的颜色为红色,像素结构20可呈现白色、蓝色、青色、亮紫色、黑色、绿色、红色与黄色。To further illustrate, when the colors of the first color light and the second color light allowed by the
进一步说明,红光R对应的波长是620~750nm,绿光G对应的波长是495~570nm,蓝光B对应的波长是450~475nm。To further illustrate, the wavelength corresponding to the red light R is 620-750 nm, the wavelength corresponding to the green light G is 495-570 nm, and the wavelength corresponding to the blue light B is 450-475 nm.
本实施例通过进一步增设的可反射出第四色光的第二胆固醇液晶层220,再搭配其它呈现不同颜色的像素结构10、20,即可增强显示装置的显色性能,使得显示装置具备全色彩的显示效果。In this embodiment, by further adding the second cholesteric
综上所述,利用本发明所提供之胆固醇液晶显示装置的像素结构10、20,借由第一胆固醇液晶层130与滤光层160的搭配设置,可以使显示装置实现多色彩的显示效果,并达到薄型化与结构简单的特点。此外,借由第二胆固醇液晶层220的设置,可以使显示装置实现全色彩的显示效果,进一步提升显示性能。To sum up, by using the
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述揭示的方法及技术内容作出些许的更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the method and technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but if they do not depart from the content of the technical solution of the present invention, Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203502.0ACN115981062A (en) | 2021-10-15 | 2021-10-15 | Pixel structure of cholesteric liquid crystal display device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203502.0ACN115981062A (en) | 2021-10-15 | 2021-10-15 | Pixel structure of cholesteric liquid crystal display device |
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|---|---|
| CN115981062Atrue CN115981062A (en) | 2023-04-18 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111203502.0APendingCN115981062A (en) | 2021-10-15 | 2021-10-15 | Pixel structure of cholesteric liquid crystal display device |
| Country | Link |
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| CN (1) | CN115981062A (en) |
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