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CN108535911A - 一种透明液晶显示装置 - Google Patents

一种透明液晶显示装置 Download PDF

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Publication number
CN108535911A
CN108535911A CN201810487662.4A CN201810487662A CN108535911A CN 108535911 A CN108535911 A CN 108535911A CN 201810487662 A CN201810487662 A CN 201810487662A CN 108535911 A CN108535911 A CN 108535911A
Authority
CN
China
Prior art keywords
liquid crystal
transparent
light
display device
crystal display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810487662.4A
Other languages
English (en)
Inventor
马新利
陈小川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Beijing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201810487662.4A priority Critical patent/CN108535911A/zh
Publication of CN108535911A publication Critical patent/CN108535911A/zh
Priority to US16/652,522 priority patent/US11237433B2/en
Priority to PCT/CN2019/086244 priority patent/WO2019223545A1/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
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    • G02F1/133514—Colour filters
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    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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    • G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
    • G—PHYSICS
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
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    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13718—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G02—OPTICS
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
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    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
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    • G—PHYSICS
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    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
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    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
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Abstract

本发明提供了一种透明液晶显示装置，涉及液晶显示技术领域。透明液晶显示装置包括透明显示面板和透明背光模组；透明显示面板包括彩膜基板，彩膜基板上设置有不同颜色的彩色树脂层，不同颜色的彩色树脂层中分别对应混合有可发出对应颜色的荧光材料；透明背光模组包括透明导光板和紫外光源，紫外光源在环境光线低于预设值时开启，透明导光板将紫外光源发出的紫外光导到彩色树脂层激发荧光材料发光，以辅助透明液晶显示装置在环境光线低于预设值时显示。本发明实施例可通过紫外光激发荧光材料发出的光线补充环境光线的不足，提高画面亮度，由于紫外光不可见，因此透明液晶显示装置的导光板将不会产生高亮反光面，能够提高透明显示时的透明度。

Description

一种透明液晶显示装置
技术领域
本发明涉及液晶显示技术领域，特别是涉及一种透明液晶显示装置。
背景技术
随着显示技术的快速发展，透明液晶显示技术逐渐引起人们的关注，透明液晶显示装置不仅可以使用户看到透明显示屏上的内容，还可以使用户看到透明显示屏背后的物体，从而带来一种全新的人机交互体验。
透明液晶显示装置可以借助环境光线进行显示，而当环境光线较弱时，显示画面的亮度也会相应降低。通常，为了提高透明液晶显示装置在弱环境光线下的显示效果，可以在透明显示面板远离显示区域一侧的侧端设置可见光光源，并通过透明导光板将可见光导到透明显示面板上，从而为透明液晶显示面板提供足够的光线，以提高画面亮度。
然而，在透明显示过程中，透明导光板会将可见光反射到透明显示面板上，从而透明导光板将产生高亮的反光面，如此，会降低透明液晶显示装置在显示过程中的透明度，从而降低透明液晶显示装置的透明显示效果。
发明内容
本发明提供一种透明液晶显示装置，以解决现有的透明液晶显示装置中导光板产生高亮反光面，从而导致透明显示效果差的问题。
为了解决上述问题，本发明公开了一种透明液晶显示装置，包括：透明显示面板和透明背光模组；所述透明显示面板包括彩膜基板，所述彩膜基板上设置有不同颜色的彩色树脂层，所述不同颜色的彩色树脂层中分别对应混合有可发出对应颜色的荧光材料；
所述透明背光模组包括透明导光板以及设置在所述透明导光板侧端的紫外光源，所述紫外光源配置为在环境光线低于预设值时开启，所述透明导光板配置为将所述紫外光源发出的紫外光导到所述彩色树脂层激发所述荧光材料发光，以辅助所述透明液晶显示装置在环境光线低于预设值时显示。
可选地，所述透明液晶显示装置还包括胆甾相液晶盒，所述胆甾相液晶盒位于所述透明背光模组的外侧，所述胆甾相液晶盒中胆甾相液晶的螺距与所述紫外光源的波长呈线性关系；
所述胆甾相液晶盒配置为将所述紫外光源发出的紫外光中与所述胆甾相液晶的旋转方向相同的圆偏紫外光，反射到所述彩色树脂层激发所述荧光材料发光，以辅助所述透明液晶显示装置在环境光线低于预设值时显示。
可选地，所述彩膜基板还包括内置偏光片，所述内置偏光片位于所述彩膜基板靠近所述透明显示面板中的液晶层的一侧。
可选地，所述彩膜基板还包括水汽阻隔膜，所述水汽阻隔膜位于所述彩色树脂层靠近所述透明显示面板中的液晶层的一侧。
可选地，所述透明液晶显示装置还包括具有通光孔的边框，以及设置在所述边框内部的光线传感器和控制模块，所述光线传感器位于所述通光孔的光路上，所述控制模块连接在所述紫外光源和所述光线传感器之间；
所述光线传感器配置为在开启时检测环境光线，所述控制模块配置为在确定所述光线传感器检测到的环境光线低于所述预设值时，控制所述紫外光源开启。
可选地，所述透明导光板为纳米导光板或玻璃导光板。
与现有技术相比，本发明包括以下优点：
在本发明实施例提供的透明液晶显示装置中，彩膜基板上不同颜色的彩色树脂层中分别对应混合有可发出对应颜色的荧光材料，每种荧光材料在紫外光激发下可以发出与所属彩色树脂层颜色相同的光线，从而当环境光线较暗时，可以通过背光模组提供的紫外光照射荧光材料时，荧光材料所激发的光线补充环境光线的不足，从而提高透明显示时的画面亮度。同时，由于紫外光不可见，因此透明液晶显示装置中的导光板将不会产生高亮的反光面，从而在提高画面亮度的同时，能够提高透明液晶显示装置在透明显示过程中的透明度。
附图说明
图1示出了本发明实施例一中的一种透明液晶显示装置的结构示意图；
图2示出了本发明实施例一中的一种胆甾相液晶盒的结构示意图。
附图标记说明：
10-透明显示面板，20-透明背光模组，30-光线传感器，40-控制模块，50-胆甾相液晶盒，100-阵列基板，200-液晶层，300-彩膜基板，101-第一偏光片，210-液晶分子，301-第一玻璃基板，302-黑矩阵，303-彩色树脂层，304-内置偏光片，305-水汽阻隔膜，201-透明导光板，202-紫外光源，501-第二玻璃基板，502-胆甾相液晶层，503-第三玻璃基板，5021-胆甾相液晶分子。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
实施例一
参照图1，示出了本发明实施例一的一种透明液晶显示装置的结构示意图。该透明液晶显示装置可以包括透明显示面板10和透明背光模组20。参照图1，透明显示面板10可以包括阵列基板100、液晶层200和彩膜基板300。透明背光模组20可以包括透明导光板201以及设置在透明导光板201侧端的紫外光源202。
具体地，阵列基板100远离液晶层200的一侧设置有第一偏光片101，第一偏光片101可以用于将射向液晶层200的光线调制为线偏振光。
液晶层200位于阵列基板100和彩膜基板300之间，液晶层200中的液晶分子210在通电时可以偏转，从而透明显示面板10可以通过液晶分子210的偏转进行透明显示。
彩膜基板300可以包括第一玻璃基板301，在第一玻璃基板301上形成的黑矩阵302，以及在形成有黑矩阵302的第一玻璃基板301上形成的不同颜色的彩色树脂层303。其中，彩色树脂层303可以是列排布、阵列排布等等，本发明实施例对于彩色树脂层303的排布方式不作具体限定。彩膜基板300上设置有不同颜色的彩色树脂层303，不同颜色的彩色树脂层303中分别对应混合有可发出对应颜色的荧光材料，每种荧光材料在紫外光的激发下，可以发出与所属彩色树脂层颜色相同的光线。
对于RGB(Red，Green，Blue，红绿蓝)透明液晶显示装置，不同颜色的彩色树脂层303可以包括多个R树脂单元、多个G树脂单元和多个B树脂单元，其中，多个R树脂单元中均混合有红色荧光材料，多个G树脂单元中均混合有绿色荧光材料，多个B树脂单元中均混合有蓝色荧光材料，从而红色荧光材料在紫外光的激发下，可以发出与所属的R树脂单元颜色相同的红色光线，绿色荧光材料在紫外光的激发下，可以发出与所属的G树脂单元颜色相同的绿色光线，蓝色荧光材料在紫外光的激发下，可以发出与所属的B树脂单元颜色相同的蓝色光线。
在一种实现方式中，彩膜基板300还可以包括第二偏光片(图1中未示出)，第二偏光片可以位于彩膜基板300远离透明显示面板10中的液晶层200的一侧，也即是位于第一玻璃基板301未设置彩色树脂层303的一侧。
参照图1，在另一种优选的实现方式中，除第一玻璃基板301、黑矩阵302和彩色树脂层303之外，彩膜基板300还可以包括内置偏光片304，内置偏光片304可以位于彩膜基板300靠近透明显示面板10中的液晶层200的一侧，也即是可以在彩色树脂层303的外侧形成内置偏光片304。在实际应用中，紫外光经过偏光调制后可以出射至彩色树脂层303，从而可以激发彩色树脂层303中的荧光材料发光。将内置偏光片304设置在彩膜基板300靠近液晶层200的一侧，从而内置偏光片304与第一偏光片101进行配合时，可以在光线未到达彩色树脂层303之前实现偏光调制。由于在彩色树脂层303之前，内置偏光片304与第一偏光片101配合可以实现光线的完全关断，因此，彩色树脂层303中的荧光材料无法接收到调制光线时，自然也无法激发出不同偏振方向的光线，从而在需要完全关断光线时，能够避免荧光材料发出的杂光漏出屏幕。
另外，彩膜基板300还可以包括水汽阻隔膜305，水汽阻隔膜305可以位于彩色树脂层303靠近透明显示面板10中的液晶层200的一侧，水汽阻隔膜305可以将彩色树脂层303以及彩色树脂层303中混合的荧光材料与外界的水汽隔离，从而避免彩色树脂层303中的荧光材料被外界的水汽腐蚀，以延长荧光材料的发光寿命。
在实际应用中，内置偏光片304可以为涂布型偏光片，包括取向层和偏光层。其中，涂布型的内置偏光片304可以由二色性染料和反应单体的混合材料固化形成。在制造透明液晶显示装置时，首先可以在第一玻璃基板301上形成黑矩阵302，以及不同颜色的彩色树脂层303，然后可以在彩色树脂层303上形成水汽阻隔膜305，并在水汽阻隔膜305上形成OC(Over Coat，保护层)，如PET(聚对苯二甲酸乙二醇酯)层等等，进而可以利用聚酰亚胺在OC上形成取向层，进而可以在该取向层上涂覆二色性染料和反应单体的混合材料，并对混合材料进行固化，从而可以形成涂布型的内置偏光片304。其中，内置偏光片304中的取向层可以固定反应单体分子的取向，从而反应单体分子可以带动二色性染料分子形成固定取向，实现内置偏光片的偏光特性。
当然，在实际应用中，内置偏光片304还可以为金属光栅，本发明实施例对此不作具体限定。
另外，在实际应用中，液晶层200的两侧分别设置有取向膜，这两层取向膜可以用于固定液晶层200中液晶分子210的取向。
紫外光源202在实际应用中可以为一紫外灯条，紫外光源202可以配置为在环境光线低于预设值时开启，也即是在环境光线较暗时开启，紫外光源202在开启时可以发出紫外光。透明导光板201可以配置为将紫外光源202发出的紫外光导到彩色树脂层303激发荧光材料发光，以辅助透明液晶显示装置在环境光线低于预设值时显示。在实际应用中，透明导光板201可以为纳米导光板或玻璃导光板，由于纳米导光板或玻璃导光板的透光率高，反射率低，因此能够提高透明液晶显示装置的透明度。
进一步地，透明液晶显示装置还可以包括具有通光孔的边框(图1中未示出)，以及设置在边框内部的光线传感器30和控制模块40。边框可以用于固定和遮挡透明液晶显示装置中的非透明器件，透明显示面板10和透明背光模组20可以嵌入边框中，光线传感器30和控制模块40可以设置在边框内部，从进行可靠固定。光线传感器30可以位于通光孔的光路上，光线传感器30可以配置为在开启时检测环境光线，在实际应用中，光线传感器30可以通过通光孔检测环境光线。由于光线传感器30设置在包围透明显示面板10的边框中，因此光线传感器30可以准确检测到透明显示面板10周围的环境光线。
控制模块40可以连接在紫外光源202和光线传感器30之间，控制模块40可以配置为在确定光线传感器30检测到的环境光线低于预设值时，控制紫外光源202开启，也即是当透明液晶显示装置周围的环境光线较暗时，控制模块40可以控制紫外光源202开启，紫外光源202开启后，透明导光板201可以将紫外光源202发出的紫外光导到彩色树脂层303，以激发荧光材料发光，从而为透明液晶显示装置补充显示所需的光线。由于紫外光不可见，因此透明液晶显示装置中的透明导光板将不会产生高亮的反光面，从而能够提高透明液晶显示装置在透明显示过程中的透明度。
另外，控制模块40还可以配置为在确定光线传感器30检测到的环境光线高于或等于预设值时，控制紫外光源202关闭，也即是当透明液晶显示装置周围的环境光线较亮时，控制模块40可以控制紫外光源202关闭，从而透明液晶显示装置可以仅通过环境光线进行显示，由于在环境光线较亮时无需开启紫外光源202，因此能够降低透明液晶显示装置的耗能。
当然，在实际应用中，紫外光源202的开启状态也可以通过用户手动控制，也即是当用户认为环境光线不足时，可以手动开启紫外光源202，从而提高透明显示时的画面亮度，本发明实施例对此不作具体限定。
进一步地，透明液晶显示装置还可以包括胆甾相液晶盒50，参照图1，胆甾相液晶盒可以位于透明背光模组20的外侧，也即是设置在透明导光板201远离液晶层200的一侧。图2示出了一种胆甾相液晶盒50的结构示意图，参照图2，胆甾相液晶盒50可以包括第二玻璃基板501、胆甾相液晶层502和第三玻璃基板503，其中，胆甾相液晶层502位于第二玻璃基板501和第三玻璃基板503之间，且胆甾相液晶盒50的第二玻璃基板501可以与透明背光模组20中的透明导光板201贴合。胆甾相液晶层502中包括胆甾相液晶分子5021，通过添加手性剂、光激发等方式可以调节胆甾相液晶分子5021的排列方向，从而调节胆甾相液晶的螺距，对第二玻璃基板501和第三玻璃基板503则无需进行电场控制。
其中，胆甾相液晶盒50中胆甾相液晶的螺距与紫外光源202的波长呈线性关系，具体地，胆甾相液晶的螺距与紫外光源202的波长可以满足下述线性关系(1)：
λ＝n·p (1)
其中，λ为紫外光源202的波长，n为胆甾相液晶的平均折射率，p为胆甾相液晶的螺距。
胆甾相液晶盒50可以配置为将紫外光源202发出的紫外光中与胆甾相液晶的旋转方向相同的圆偏紫外光，反射到彩色树脂层303激发荧光材料发光，以辅助透明液晶显示装置在环境光线低于预设值时显示。
在实际应用中，由于透明导光板201在将紫外光导到透明显示面板10时，有部分紫外光由于器件折射和反射等原因，将会射向透明背光模组20的外侧，而设置于透明背光模组20外侧的胆甾相液晶盒50，由于其自身的光学特性，能够对紫外光中与胆甾相液晶的旋转方向相同的圆偏紫外光进行反射，从而能够将圆偏紫外光反射回透明显示面板10，进而反射回的圆偏紫外光到达彩色树脂层时，可以激发荧光材料发光。例如，胆甾相液晶的旋转方向为右旋时，胆甾相液晶层502能够对右旋的圆偏紫外光进行反射。由于胆甾相液晶盒可以将部分紫外光反射回彩色树脂层，以激发荧光材料发光，因此，能够提高紫外光的利用率，进而能够进一步提高透明液晶显示装置进行透明显示时的画面亮度。
另外，基于胆甾相液晶的光学特性，胆甾相液晶盒50在反射圆偏紫外光的同时，由于胆甾相液晶的螺距与环境光线中可见光的波长不满足上述线性关系(1)，因此，环境光线中的可见光可以透过胆甾相液晶盒50到达透明显示面板10，而不会被胆甾相液晶盒50反射，因此，胆甾相液晶盒50在提高紫外光利用率的同时，还能够保证环境光线中可见光的利用率。
胆甾相液晶层502的两侧可以分别设置取向膜，这两层取向膜可以用于固定胆甾相液晶层502中胆甾相液晶分子5021的取向。在本发明实施例中，设置在胆甾相液晶层502两侧的两层取向膜均可以采用沿面无摩擦取向，从而可以使胆甾相液晶分子5021沿面无规则排列。
另外，相对于橱窗补光的透明液晶显示装置，也即在透明液晶显示装置的后方设置具有额外光源的橱窗，本发明实施例提供的透明液晶显示装置可以通过紫外光源激发彩色树脂层中的荧光材料发出光线，从而辅助透明液晶显示装置在环境光线较暗时显示，从而可以使透明液晶显示装置摆脱补光橱窗的展示方式。
在实际应用中，透明显示面板10可以为TN(Twisted Nematic，扭曲向列)透明显示面板、ADS(Advanced super Dimension Switch，高级超维场转换)透明显示面板和VA(Vertical Alignment，垂直配向)透明显示面板中的任一种，本发明实施例对此不作具体限定。
在本发明实施例提供的透明液晶显示装置中，彩膜基板上不同颜色的彩色树脂层中分别对应混合有可发出对应颜色的荧光材料，每种荧光材料在紫外光激发下可以发出与所属彩色树脂层颜色相同的光线，从而当环境光线较暗时，可以通过背光模组提供的紫外光照射荧光材料时，荧光材料所激发的光线补充环境光线的不足，从而提高透明显示时的画面亮度。同时，由于紫外光不可见，因此透明液晶显示装置中的导光板将不会产生高亮的反光面，从而在提高画面亮度的同时，能够提高透明液晶显示装置在透明显示过程中的透明度。另外，位于透明背光模组外侧的胆甾相液晶盒，可以将未射向透明显示面板的部分紫外光反射回透明显示面板，从而激发彩色树脂层中的荧光材料发光，如此，能够提高紫外光的利用率，从而进一步提高透明显示时的画面亮度。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、商品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、商品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个......”限定的要素，并不排除在包括所述要素的过程、方法、商品或者设备中还存在另外的相同要素。
以上对本发明所提供的一种透明液晶显示装置，进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (6)

1.一种透明液晶显示装置，其特征在于，包括：透明显示面板和透明背光模组；所述透明显示面板包括彩膜基板，所述彩膜基板上设置有不同颜色的彩色树脂层，所述不同颜色的彩色树脂层中分别对应混合有可发出对应颜色的荧光材料；
所述透明背光模组包括透明导光板以及设置在所述透明导光板侧端的紫外光源，所述紫外光源配置为在环境光线低于预设值时开启，所述透明导光板配置为将所述紫外光源发出的紫外光导到所述彩色树脂层激发所述荧光材料发光，以辅助所述透明液晶显示装置在环境光线低于预设值时显示。
2.根据权利要求1所述的透明液晶显示装置，其特征在于，所述透明液晶显示装置还包括胆甾相液晶盒，所述胆甾相液晶盒位于所述透明背光模组的外侧，所述胆甾相液晶盒中胆甾相液晶的螺距与所述紫外光源的波长呈线性关系；
所述胆甾相液晶盒配置为将所述紫外光源发出的紫外光中与所述胆甾相液晶的旋转方向相同的圆偏紫外光，反射到所述彩色树脂层激发所述荧光材料发光，以辅助所述透明液晶显示装置在环境光线低于预设值时显示。
3.根据权利要求1所述的透明液晶显示装置，其特征在于，所述彩膜基板还包括内置偏光片，所述内置偏光片位于所述彩膜基板靠近所述透明显示面板中的液晶层的一侧。
4.根据权利要求1所述的透明液晶显示装置，其特征在于，所述彩膜基板还包括水汽阻隔膜，所述水汽阻隔膜位于所述彩色树脂层靠近所述透明显示面板中的液晶层的一侧。
5.根据权利要求1所述的透明液晶显示装置，其特征在于，所述透明液晶显示装置还包括具有通光孔的边框，以及设置在所述边框内部的光线传感器和控制模块，所述光线传感器位于所述通光孔的光路上，所述控制模块连接在所述紫外光源和所述光线传感器之间；
所述光线传感器配置为在开启时检测环境光线，所述控制模块配置为在确定所述光线传感器检测到的环境光线低于所述预设值时，控制所述紫外光源开启。
6.根据权利要求1所述的透明液晶显示装置，其特征在于，所述透明导光板为纳米导光板或玻璃导光板。
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