CN104407462A - 液晶显示模组及其加工方法 - Google Patents

液晶显示模组及其加工方法 Download PDF

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CN104407462A
CN104407462A CN201410719834.8A CN201410719834A CN104407462A CN 104407462 A CN104407462 A CN 104407462A CN 201410719834 A CN201410719834 A CN 201410719834A CN 104407462 A CN104407462 A CN 104407462A
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plate
liquid crystal
crystal display
display module
base plate
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张彦学
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to CN201410719834.8A priority Critical patent/CN104407462A/zh
Priority to PCT/CN2014/094885 priority patent/WO2016086475A1/zh
Priority to US14/417,939 priority patent/US10073213B2/en
Publication of CN104407462A publication Critical patent/CN104407462A/zh
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    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
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    • 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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    • G02F1/133602—Direct backlight
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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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
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    • 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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Abstract

本发明公开了一种液晶显示模组及其加工方法，液晶显示模组包括：反射片；框体，框体包括底板，底板的每个边沿分别向上弯折形成侧板，底板的上表面开设有用于容置反射片的容置区；以及胶框和导光板，胶框和导光板均设置在由侧板围成的空间内。应用本发明，通过将反射片的部分或者全部容置在底板的容置区中，达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片的部分或者全部容置在底板的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体，保障了液晶显示模组的整体强度；再有，在底板上开设容置区，有效节省了底板的材料，有利于节省成本。

Description

液晶显示模组及其加工方法
技术领域
本发明涉及液晶显示技术领域，尤其涉及一种液晶显示模组，还涉及用于加工该液晶显示模组的方法。
背景技术
随着液晶技术的发展，超薄电子产品成为中小尺寸产品发展的重要的方向之一。在现有的电子产品设计中，通常采用去除液晶显示模组的固定铁框的方法实现电子产品减薄的目的。这种方法的缺陷在于：虽然对尺寸较小的电子产品来说，去除固定铁框对产品的性能影响不大，但是对尺寸相对较大的电子产品来说，尤其是对导光板(LGP，Light GuidePlate)较薄的电子产品来说，去除固定铁框会严重影响电子产品的整体强度。因此，亟需提供一种在保证电子产品整体强度的基础上实现产品减薄目的的液晶显示模组。
发明内容
本发明所要解决的技术问题是：现有技术中一般通过去除液晶显示模组的固定铁框的方式实现电子产品减薄的目的，此种减薄方式的缺陷在于，对尺寸相对较大的电子产品来说，尤其是对导光板较薄的产品来说，去除固定铁框会影响电子产品的整体强度。
为了解决上述技术问题，本发明提供了一种在保证电子产品整体强度的基础上实现产品减薄目的的液晶显示模组。
本发明的技术方案为：
一种液晶显示模组，包括：
反射片；
框体，所述框体包括底板，所述底板的每个边沿分别向上弯折形成侧板，所述底板的上表面开设有用于容置所述反射片的容置区；以及
胶框和导光板，所述胶框和导光板均设置在由所述侧板围成的空间内。
优选的是，所述容置区为在所述底板的上表面开设的通孔。
优选的是，所述容置区为在所述底板的上表面开设的凹槽。
优选的是，所述反射片的上表面与所述底板的上表面平齐。
优选的是，所述反射片的外侧壁与所述容置区的内侧壁固定连接。
优选的是，所述反射片的外侧壁与所述容置区的内侧壁通过黏胶固定连接。
优选的是，所述反射片的上表面与所述导光板的下表面固定连接。
优选的是，所述反射片的上表面与所述导光板的下表面通过黏胶固定连接。
优选的是，所述胶框的外侧壁与所述侧板的内侧壁固定连接，所述导光板设置在由所述胶框的内侧壁围成的空间内。
一种加工上述液晶显示模组的方法，包括：
对待加工的底板进行冲压，使得所述底板的每个边沿分别向上弯折形成侧板，并使得所述底板的上表面具有用于容置反射片的容置区，从而形成框体；
将所述框体放入注塑模具中，使得在由所述侧板围成的空间内形成胶框；
将所述反射片设置在所述容置区内；
将导光板设置在由所述侧板围成的空间内，从而获得所述液晶显示模组。
与现有技术相比，上述方案中的一个或多个实施例可以具有如下优点或有益效果：
应用本发明实施例提供的液晶显示模组，在底板的上表面开设容置区，将反射片的部分或者全部容置在该容置区中，使得液晶显示模组的厚度等于底板的厚度、位于容置区外的部分反射片的厚度以及胶框的厚度的总和，位于容置区内的部分反射片的厚度为节省的厚度，从而达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片的部分或者全部容置在底板的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体，保障了液晶显示模组的整体强度；再有，在底板上开设容置区，有效节省了底板的材料，有利于节省成本。
本发明的其它特征和优点将在随后的说明书中阐述，并且部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例共同用于解释本发明，并不构成对本发明的限制。在附图中：
图1示出了本发明实施例液晶显示模组的结构示意图，在该图中未示出液晶显示模组的导光板；
图2示出了在本发明一实施例中框体的结构示意图；
图3示出了在图2中所示的框体的基础上装配胶框的示意图；
图4示出了在图3中所示的框体和胶框的基础上装配反射片的示意图；
图5示出了在本发明另一实施例中框体的结构示意图；以及
图6示出了本发明实施例加工液晶显示模组的方法的流程图。
具体实施方式
以下将结合附图及实施例来详细说明本发明的实施方式，借此对本发明如何应用技术手段来解决技术问题，并达成技术效果的实现过程能充分理解并据以实施。需要说明的是，只要不构成冲突，本发明中的各个实施例以及各实施例中的各个特征可以相互结合，所形成的技术方案均在本发明的保护范围之内。
本发明所要解决的技术问题是：现有技术中一般通过去除液晶显示模组的固定铁框的方式实现电子产品减薄的目的，此种减薄方式的缺陷在于，对尺寸相对较大的电子产品来说，尤其是对导光板较薄的产品来说，去除固定铁框会影响电子产品的整体强度。为了解决上述技术问题，本发明实施例提供了一种在保证电子产品整体强度的基础上实现产品减薄目的的液晶显示模组。
如图1所示，是本发明实施例液晶显示模组的结构示意图，为清楚地展示液晶显示模组的内部结构，在该图中未示出作为液晶显示模组一部分的导光板。液晶显示模组包括框体10、反射片20、胶框30和导光板(附图中未示出)。
具体地，参照图2，是本发明一实施例中框体10的结构示意图，在本实施例中，框体10包括底板11，底板11由铁质材料或者不锈钢材料制成，并且底板11呈矩形。底板11的四个边沿分别向上弯折形成四个侧板12，特别地，为便于装配胶框30和导光板，每个侧板12与底板11的夹角优选为90°，即底板11的每个边沿分别向上弯折90°形成侧板12。另外，由于一般采用冲压工艺加工底板11和侧板12，所以为了便于冲压加工，在相邻两个边沿之间设置缺口121。这样，由底板11的四个侧板12围成了一个用于容置胶框30和导光板的空间，胶框30的具体设置方式可参照图3。
图3示出了在图2中所示的框体10的基础上装配胶框30的示意图，如图3所示，胶框30是由四个胶制侧板12顺次首尾相连形成的胶制框体10，各个胶制侧板12的尺寸与框体10的各个侧板12相匹配，在装配过程中，使每个胶制侧板12的外侧壁和与其相匹配的侧板12的内侧壁贴合，优选地，将每个胶制侧板12的外侧壁和与其相匹配的侧板12的内侧壁(例如通过黏胶等连接方式)固定连接。胶框30的内侧壁与导光板的边沿配合，以实现导光板与胶框30的装配，特别地，可通过在胶框30的内侧壁设置一圈卡槽，通过卡槽与导光板的四周边沿的配合实现将导光板装配到胶框30上的目的。
图4示出了在图3中所示的框体10和胶框30的基础上装配反射片20的示意图，如图4所示，底板11的上表面开设有用于容置反射片20的容置区，在本实施例中，在底板11的上底面开设用于容置反射片20的通孔111，通孔111的孔壁形状与反射片20的边沿形状相匹配，从而实现将反射片20的部分或全部容置在该通孔111内的目的。
在本实施例中，在底板11的上表面开设容置区，将反射片20的部分或者全部容置在该容置区中，使得液晶显示模组的厚度等于底板11的厚度、位于容置区外的部分反射片的厚度以及胶框30的厚度的总和，位于容置区内的部分反射片的厚度为节省的厚度，从而达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片20的部分或者全部容置在底板11的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体10，保障了液晶显示模组的整体强度；再有，在底板11上开设容置区，有效节省了底板11的材料，有利于节省成本。
进一步地，用于容置反射片20的容置区可以为在底板11的上表面开设的通孔111，也可以为在底板11的上表面开设的凹槽112，如图5所示，是本发明另一实施例中框体10的结构示意图，为了清楚地展示本实施例中框体10的结构，图5仅示出了框体10的右半部分结构，其左半部分的结构与右半部分结构呈对称设置。在本实施例中，框体10包括底板11，底板11由铁质材料或者不锈钢材料制成，底板11呈矩形，底板11的四个边沿分别向上弯折形成四个侧板12，特别地，为便于装配胶框30和导光板，每个侧板12与底板11的夹角优选为90°，即底板11的每个边沿分别向上弯折90°形成侧板12；另外，由于一般采用冲压工艺加工底板11和侧板12，所以为了便于冲压加工，在相邻两个边沿之间设置缺口121。这样，由底板11的四个侧板12围成了一个用于容置胶框30和导光板的空间。另外，在底板11的上底面开设用于容置反射片20的凹槽112，凹槽112的槽壁形状与反射片20的边沿形状相匹配，从而实现将反射片20的部分或全部容置在该凹槽112内的目的。
在本发明一优选的实施例中，反射片20的上表面与底板11的上表面平齐，即将反射片20全部容置于底板11的容置区内，反射片20整个嵌入到底板11的容置区中，从而使得液晶显示模组的整体厚度能够减少整个反射片20的厚度。
在下面的两个实施例中，分别阐述了反射片20的两种优选的固定方式：
本发明一优选的实施例中，反射片20的外侧壁与容置区的内侧壁固定连接，特别地，反射片20的外侧壁与容置区的内侧壁通过黏胶固定连接，或者反射片20的外侧壁与容置区的内侧壁过盈配合。
在本发明另一优选的实施例中，反射片20的上表面与导光板的下表面固定连接，特别地，反射片20的上表面与导光板的下表面通过黏胶固定连接。
在本发明的一实施例中还提供了加工上述液晶显示模组的方法，如图6所示，是本发明实施例加工液晶显示模组的方法的流程图，所述加工方法包括以下步骤：
步骤1：对待加工的底板11进行冲压，使得底板11的每个边沿分别向上弯折形成侧板12，并使得底板11的上表面具有用于容置反射片20的容置区，从而形成框体10。
具体地，待加工的底板11通常为铁制板材或者不锈钢板材，经过冲压加工工艺，形成底板11和侧板12，并在底板11的上表面冲裁出用于容置反射片20的容置区。由于冲压加工工艺为本领域技术人员将铁制板材或者不锈钢板材加工成特定形状时通常采用的技术手段，所以在本文中不再对冲压加工工艺进行展开说明。
步骤2：将框体10放入注塑模具中，使得在由侧板12围成的空间内形成胶框30。
具体地，在此步骤中，将冲压加工形成的框体10放入注塑模具中，完成铁塑一体的注塑成型，即在侧板12围成的空间内注塑形成胶框30，特别地，在侧板12的内侧壁上注塑形成胶框30，以达到胶框30与侧板12内侧壁完全匹配、完全贴合的目的。
步骤3：将反射片20设置在容置区内。
具体地，在此步骤中，反射片20的设置方式有两种：
一种设置方式为将反射片20的外侧壁与容置区的内侧壁固定连接，特别地，在反射片20的外侧壁备胶，使得反射片20的外侧壁与容置区的内侧壁通过黏胶固定连接，或者通过反射片20的外侧壁与容置区的内侧壁过盈配合，达到固定连接的目的；
另一种设置方式为反射片20的上表面与导光板的下表面固定连接，特别地，在反射片20的上表面备胶，使得反射片20的上表面与导光板的下表面通过黏胶固定连接。
步骤4：将导光板设置在由侧板12围成的空间内，从而获得液晶显示模组。
具体地，在此步骤中，导光板的设置方式有两种：
一种设置方式为：在导光板的四周边沿备胶，使得导光板的四周边沿通过黏胶与胶框30的内侧壁固定连接；
另一种设置方式为在胶框30的内侧壁开设与导光板的四周边沿匹配的卡槽，通过卡槽与导光板的四周边沿的配合实现将导光板装配到胶框30上的目的。
将导光板装配到胶框30上后，即完成液晶显示模组的加工。
本实施例所述的加工液晶显示模组的方法简单，通过将框体10放入注塑机内进行胶框30的注塑成型，能够实现胶框30与框体10的完全匹配、完成贴合；通过在底板11上冲裁出用于容置反射片20的容置区，使得液晶显示模组的厚度等于底板11的厚度、位于容置区外的部分反射片的厚度以及胶框30的厚度的总和，位于容置区内的部分反射片的厚度为节省的厚度，从而达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片20的部分或者全部容置在底板11的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体10，保障了液晶显示模组的整体强度；再有，在底板11上开设容置区，有效节省了底板11的材料，有利于节省成本。
虽然本发明所公开的实施方式如上，但所述的内容只是为了便于理解本发明而采用的实施方式，并非用以限定本发明。任何本发明所属技术领域内的技术人员，在不脱离本发明所公开的精神和范围的前提下，可以在实施的形式上及细节上作任何的修改与变化，但本发明的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (10)

1.一种液晶显示模组，其特征在于，包括：
反射片；
框体，所述框体包括底板，所述底板的每个边沿分别向上弯折形成侧板，所述底板的上表面开设有用于容置所述反射片的容置区；以及
胶框和导光板，所述胶框和导光板均设置在由所述侧板围成的空间内。
2.根据权利要求1所述的液晶显示模组，其特征在于，所述容置区为在所述底板的上表面开设的通孔。
3.根据权利要求1所述的液晶显示模组，其特征在于，所述容置区为在所述底板的上表面开设的凹槽。
4.根据权利要求1至3中任一项所述的液晶显示模组，其特征在于，所述反射片的上表面与所述底板的上表面平齐。
5.根据权利要求1至3中任一项所述的液晶显示模组，其特征在于，所述反射片的外侧壁与所述容置区的内侧壁固定连接。
6.根据权利要求5所述的液晶显示模组，其特征在于，所述反射片的外侧壁与所述容置区的内侧壁通过黏胶固定连接。
7.根据权利要求1至3中任一项所述的液晶显示模组，其特征在于，所述反射片的上表面与所述导光板的下表面固定连接。
8.根据权利要求7所述的液晶显示模组，其特征在于，所述反射片的上表面与所述导光板的下表面通过黏胶固定连接。
9.根据权利要求1至3中任一项所述的液晶显示模组，其特征在于，所述胶框的外侧壁与所述侧板的内侧壁固定连接，所述导光板设置在由所述胶框的内侧壁围成的空间内。
10.一种加工根据权利要求1至9中任一项所述的液晶显示模组的方法，其特征在于，包括：
对待加工的底板进行冲压，使得所述底板的每个边沿分别向上弯折形成侧板，并使得所述底板的上表面具有用于容置反射片的容置区，从而形成框体；
将所述框体放入注塑模具中，使得在由所述侧板围成的空间内形成胶框；
将所述反射片设置在所述容置区内；
将导光板设置在由所述侧板围成的空间内，从而获得所述液晶显示模组。
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