CN108051940B - 液晶显示模组和显示装置 - Google Patents

液晶显示模组和显示装置 Download PDF

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CN108051940B
CN108051940B CN201810002008.XA CN201810002008A CN108051940B CN 108051940 B CN108051940 B CN 108051940B CN 201810002008 A CN201810002008 A CN 201810002008A CN 108051940 B CN108051940 B CN 108051940B
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tft array
array substrate
liquid crystal
substrate
crystal display
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CN108051940A (zh
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刘君欢
杨瑞锋
杨华旭
崔利宝
韩枫
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Priority to PCT/CN2018/106465 priority patent/WO2019134400A1/zh
Priority to US16/337,308 priority patent/US10989949B2/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133382Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
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    • G02OPTICS
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    • G02F1/00Devices 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
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    • G02F1/13Devices 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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    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133512Light shielding layers, e.g. black matrix
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    • G02OPTICS
    • G02FOPTICAL 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
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    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
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    • G02F1/133514Colour filters
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    • G02F1/00Devices 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
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    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
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    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136209Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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    • G02F1/00Devices 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
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    • G02F1/13Devices 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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Abstract

本公开提供了一种液晶显示模组和显示装置。液晶显示模组包括:盖板,设置在盖板一侧的TFT阵列基板,设置在TFT阵列基板的远离盖板一侧的对置基板,TFT阵列基板与对置基板之间填充有液晶层,TFT阵列基板包括与对置基板相对的第一部分和超出对置基板的第二部分,第二部分远离盖板的一侧设有驱动电路,设置在对置基板的远离TFT阵列基板一侧的背光源,和设置在第二部分和背光源之间的热屏蔽层。通过调整TFT阵列基板的位置,从而借助盖板对TFT阵列基板的单层区提供有效地固定和支撑,有效避免TFT阵列基板的单层区因跌落而导致破损。此外,通过在驱动电路和背光源之间设置热屏蔽层,有效避免背光源所产生的热辐射对驱动电路造成的干扰。

Description

液晶显示模组和显示装置
技术领域
本公开涉及液晶显示技术领域,特别涉及一种液晶显示模组和显示装置。
背景技术
在目前的液晶显示模组中,液晶层设置在盖板和TFT(Thin Film Transistor,薄膜晶体管)阵列基板之间。由于TFT阵列基板的单层区与盖板之间存在一定间距,因此TFT阵列基板的单层区无法得到有效地支撑,在跌落过程中容易发生破损。
发明内容
本公开的实施例解决的一个技术问题是:TFT阵列基板的单层区在跌落过程中容易发生破损。
根据本公开实施例的第一方面,提供一种液晶显示模组,包括:
盖板;
设置在盖板一侧的TFT阵列基板;
设置在TFT阵列基板的远离盖板一侧的对置基板,TFT阵列基板与对置基板之间填充有液晶层,其中TFT阵列基板包括与对置基板相对的第一部分和超出对置基板的第二部分,第二部分远离盖板的一侧设有驱动电路;
设置在对置基板的远离TFT阵列基板一侧的背光源;和
设置在第二部分和背光源之间的热屏蔽层。
可选地,热屏蔽层由弹性材料构成。
可选地,弹性材料为泡棉或硅胶泡沫。
可选地,液晶显示模组还包括:
设置在热屏蔽层和背光源之间的第一导热板。
可选地,液晶显示模组还包括:
设置在热屏蔽层和第二部分之间的第二导热板。
可选地,第一导热板和第二导热板为石墨片或金属板。
可选地,液晶显示模组还包括:
设置在TFT阵列基板中的遮光层,其中遮光层位于TFT阵列基板的TFT电路与TFT阵列基板靠近盖板的侧面之间。
可选地,液晶显示模组还包括:
设置在盖板和TFT阵列基板之间的偏光板。
可选地,对置基板是彩膜基板。
根据本公开实施例的第二方面,提供一种显示装置,包括:
如上述任一实施例涉及的液晶显示模组。
在本公开的上述实施例中,通过将TFT阵列基板设置在盖板和液晶层之间,从而借助盖板对TFT阵列基板的单层区提供有效地固定和支撑,由此可有效避免TFT阵列基板的单层区因跌落而导致的破损。
通过以下参照附图对本公开的示例性实施例的详细描述,本公开的其它特征及其优点将会变得清楚。
附图说明
构成说明书的一部分的附图描述了本公开的实施例,并且连同说明书一起用于解释本公开的原理。
参照附图,根据下面的详细描述,可以更加清楚地理解本公开,其中:
图1是示意性地示出根据本公开一些实施例的液晶显示模组的结构示意图;
图2是示意性地示出根据本公开另一些实施例的液晶显示模组的结构示意图;
图3是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图;
图4是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图;
图5是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图;
图6是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图;
图7是示意性地示出根据本公开一些实施例的显示装置的结构示意图。
应当明白,附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。此外,相同或类似的参考标号表示相同或类似的构件。
具体实施方式
现在将参照附图来详细描述本公开的各种示例性实施例。对示例性实施例的描述仅仅是说明性的,决不作为对本公开及其应用或使用的任何限制。本公开可以以许多不同的形式实现,不限于这里所述的实施例。提供这些实施例是为了使本公开透彻且完整,并且向本领域技术人员充分表达本公开的范围。应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、材料的组分、数字表达式和数值应被解释为仅仅是示例性的,而不是作为限制。
本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性,而只是用来区分不同的部分。“包括”或者“包含”等类似的词语意指在该词前的要素涵盖在该词后列举的要素,并不排除也涵盖其他要素的可能。“上”、“下”、“左”、“右”等仅用于表示相对位置关系,当被描述对象的绝对位置改变后,则该相对位置关系也可能相应地改变。
在本公开中,当描述到特定器件位于第一器件和第二器件之间时,在该特定器件与第一器件或第二器件之间可以存在居间器件,也可以不存在居间器件。当描述到特定器件连接其它器件时,该特定器件可以与所述其它器件直接连接而不具有居间器件,也可以不与所述其它器件直接连接而具有居间器件。
本公开使用的所有术语(包括技术术语或者科学术语)与本公开所属领域的普通技术人员理解的含义相同,除非另外特别定义。还应当理解,在诸如通用字典中定义的术语应当被解释为具有与它们在相关技术的上下文中的含义相一致的含义,而不应用理想化或极度形式化的意义来解释,除非这里明确地这样定义。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为说明书的一部分。
图1是示意性地示出根据本公开一些实施例的液晶显示模组的结构示意图。
如图1所示,液晶显示模组包括盖板11、TFT阵列基板12、液晶层13、对置基板14、背光源15、热屏蔽层16和驱动电路17。
盖板11可为玻璃盖板或其它由透明材料构成的盖板。
如图1所示,TFT阵列基板12设置在盖板11的一侧,对置基板14设置在TFT阵列基板12的远离盖板11的一侧。TFT阵列基板12与对置基板14之间填充有液晶层13,其中TFT阵列基板12包括与对置基板14相对的第一部分121和超出对置基板14的第二部分122。其中,TFT阵列基板12的第二部分122即为单层区。由于将TFT阵列基板设置在盖板和液晶层之间,从而可借助盖板对TFT阵列基板的单层区提供有效地固定和支撑。
此外,在第二部分122远离盖板11的一侧设有驱动电路17。背光源15设置在对置基板14的远离TFT阵列基板12的一侧。热屏蔽层16设置在TFT阵列基板12的第二部分122和背光源15之间。
可选地,对置基板14是彩膜基板。
在图1所示实施例中,驱动电路17设置在TFT阵列基板12的第二部分122远离盖板11的一侧,即驱动电路17与背光源15相对设置。因此在这种情况下,驱动电路17会受到背光源15的热辐射影响,从而使驱动电路17的工作性能受到影响。
为了避免该热辐射对驱动电路17的影响,通过在TFT阵列基板12的第二部分122和背光源15之间设置热屏蔽层16,从而有效避免背光源15所产生的热辐射对驱动电路17造成影响。
在上述实施例提供的液晶显示模组中,通过将TFT阵列基板设置在盖板和液晶层之间,从而借助盖板对TFT阵列基板的单层区提供有效地固定和支撑,由此可有效避免TFT阵列基板的单层区因跌落而导致的破损。此外,通过在TFT阵列基板的第二部分和背光源之间设置热屏蔽层,从而有效避免背光源所产生的热辐射对驱动电路造成影响。
可选地,热屏蔽层16由弹性材料构成。例如,热屏蔽层16可利用泡棉、硅胶泡沫等弹性材料构成。由于热屏蔽层16使用弹性材料构成,因此热屏蔽层16可在跌落时发生一定程度的形变,从而可减缓TFT阵列基板12因跌落而受到的冲击,由此可进一步对TFT阵列基板12提供保护。
图2是示意性地示出根据本公开另一些实施例的液晶显示模组的结构示意图。
与图1相比,图2所示的液晶显示模组的结构所不同的是:在热屏蔽层16和背光源15之间设置第一导热板181。
本公开的发明人发现,背光源15在工作时所产生的热量若不能及时扩散,会导致热屏蔽层16的局部区域温度过高,从而会影响到显示装置的安全性能。
为了解决这一问题,通过在热屏蔽层16和背光源15之间设置第一导热板181,能够使得背光源15产生的热量能够在该导热板181的平面上迅速扩散,从而有效避免热屏蔽层16的局部区域温度过高的情况发生。
可选地,第一导热板181可采用散热性能良好的材料。例如,第一导热板181所使用的材料可以为石墨,或者铜、铝等金属。即,导热板181可以为石墨片或金属板。
图3是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图。与图2相比,图3所示的液晶显示模组的结构所不同的是:在热屏蔽层16和TFT阵列基板12的第二部分122之间设置第二导热板182。
基于上述相同的理由,为了避免驱动电路17在工作时所产生的热量导致热屏蔽层16的局部区域温度过高,在热屏蔽层16和TFT阵列基板12的第二部分122之间设置第二导热板182,能够使得驱动电路17产生的热量能够在该导热板182的平面上迅速扩散,从而有效避免热屏蔽层16的局部区域温度过高的情况发生。
可选地,第二导热板182可采用散热性能良好的材料。例如,第二导热板182所使用的材料可以为石墨,或者铜、铝等金属。即,导热板182可以为石墨片或金属板。
图4是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图。
与图3相比,在图4所示的液晶显示模组中,进一步在TFT阵列基板12中设置遮光层123。遮光层123位于TFT阵列基板12的TFT电路124与TFT阵列基板12靠近盖板11的侧面125之间。
通过在TFT阵列基板12中设置遮光层123,从而有效遮住TFT电路124的反光,有效提高用户的使用体验。
可选地,遮光层123可采用黑胶或其它可遮光材料构成。
图5是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图。
与图3相比,图5所示的液晶显示模组的结构所不同的是:在盖板11和TFT阵列基板12之间设置偏光板19。通过利用光学胶将盖板11、偏光板19和TFT阵列基板12依次粘接固定,从而可对TFT阵列基板的单层区提供有效地固定和支撑,由此可有效避免TFT阵列基板的单层区因跌落而导致的破损。
此外,还需要说明的是,由于TFT阵列基板的一个侧面可通过偏光板与盖板充分接触,因此偏光板可充分利用TFT阵列基板的尺寸。由此可有效减小TFT阵列基板与显示区(AA区)的距离,从而有助于设计具有更窄边框的显示装置。
图6是示意性地示出根据本公开又一些实施例的液晶显示模组的结构示意图。
与图5相比,图6所示的液晶显示模组的结构所不同的是:彩膜基板设置在TFT阵列基板和偏光板之间。
如图6所示,偏光板29设置在盖板21的一侧。彩膜基板24设置在偏光板29的远离盖板21的一侧。TFT阵列基板22设置在彩膜基板24的远离偏光板29的一侧。封盒基板231设置在TFT阵列基板22的远离彩膜基板24的一侧,TFT阵列基板22与封盒基板231之间填充有液晶层23。TFT阵列基板22包括与封盒基板231相对的第一部分221和超出封盒基板231的第二部分222。
此外,在第二部分222远离彩膜基板24的一侧设有驱动电路27。背光源25设置在封盒基板231的远离TFT阵列基板22的一侧。热屏蔽层26设置在TFT阵列基板22的第二部分222和背光源25之间。在热屏蔽层26和背光源25之间设置导热板281,在热屏蔽层26和第二部分222之间设置第二导热板282。
在图6所示实施例中,通过将彩膜基板24设置在偏光板29和TFT阵列基板22之间,可得到更好的色度效果。因此在有效避免TFT阵列基板单层区破损的情况发生的同时,还可进一步提高用户的使用体验。
图7是示意性地示出根据本公开一些实施例的显示装置的结构示意图。
如图7所示,显示装置71中包括液晶显示模组72。其中,液晶显示模组72可为图1至图6中任一实施例涉及的液晶显示模组。
由于显示装置采用图1至图6中任一实施例涉及的液晶显示模组,因此显示装置在跌落时可有效避免TFT阵列基板单层区破损的情况发生。
通过实施本公开所涉及的方案,可以得到如下有益效果中的至少一项:
1)通过调整TFT阵列基板的位置,对TFT阵列基板的单层区实现了有效固定,有效避免了因跌落而发生的TFT阵列基板单层区破损。
2)通过在设置于TFT阵列基板上的驱动电路和背光源之间设置热屏蔽层,有效避免了背光源所产生的热辐射对驱动电路产生的干扰,同时还可提供进一步的减震保护。
3)通过在热屏蔽层两侧设置导热板,有效扩散了背光源和驱动电路所产生的热能,有效避免了热屏蔽层上局部区域温度过高的情况发生。
4)由于偏光板可充分利用TFT阵列基板的尺寸,因此可有效减小TFT阵列基板与显示区(AA区)的距离,从而有助于设计具有更窄边框的显示装置。
至此,已经详细描述了本公开的实施例。为了避免遮蔽本公开的构思,没有描述本领域所公知的一些细节。本领域技术人员根据上面的描述,完全可以明白如何实施这里公开的技术方案。
虽然已经通过示例对本公开的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上示例仅是为了进行说明,而不是为了限制本公开的范围。本领域的技术人员应该理解,可在不脱离本公开的范围和精神的情况下,对以上实施例进行修改或者对部分技术特征进行等同替换。本公开的范围由所附权利要求来限定。

Claims (7)

1.一种液晶显示模组,包括:
盖板;
设置在所述盖板一侧的TFT阵列基板;
设置在所述TFT阵列基板的远离所述盖板一侧的对置基板,所述TFT阵列基板与所述对置基板之间填充有液晶层,其中所述TFT阵列基板包括与所述对置基板相对的第一部分和超出所述对置基板的第二部分,所述第二部分远离所述盖板的一侧设有驱动电路,所述对置基板为封盒基板;
设置在所述对置基板的远离所述TFT阵列基板一侧的背光源;
设置在所述第二部分和所述背光源之间的热屏蔽层;
设置在所述TFT阵列基板中的遮光层,其中所述遮光层位于TFT阵列基板的TFT电路与所述TFT阵列基板靠近所述盖板的侧面之间;
设置在所述盖板和所述TFT阵列基板之间的偏光板;以及
设置在所述TFT阵列基板和所述偏光板之间的彩膜基板。
2.根据权利要求1所述的液晶显示模组,其中:
所述热屏蔽层由弹性材料构成。
3.根据权利要求2所述的液晶显示模组,其中:
所述弹性材料为泡棉或硅胶泡沫。
4.根据权利要求1所述的液晶显示模组,还包括:
设置在所述热屏蔽层和所述背光源之间的第一导热板。
5.根据权利要求4所述的液晶显示模组,还包括:
设置在所述热屏蔽层和所述第二部分之间的第二导热板。
6.根据权利要求5所述的液晶显示模组,还包括:
所述第一导热板和第二导热板为石墨片或金属板。
7.一种显示装置,包括:
如权利要求1-6中任一项所述的液晶显示模组。
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