WO2020062711A1 - 显示装置及其底壳 - Google Patents

显示装置及其底壳 Download PDF

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Publication number
WO2020062711A1
WO2020062711A1 PCT/CN2019/071456 CN2019071456W WO2020062711A1 WO 2020062711 A1 WO2020062711 A1 WO 2020062711A1 CN 2019071456 W CN2019071456 W CN 2019071456W WO 2020062711 A1 WO2020062711 A1 WO 2020062711A1
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WO
WIPO (PCT)
Prior art keywords
elastic
bottom plate
display device
gap
bottom case
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PCT/CN2019/071456
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English (en)
French (fr)
Inventor
贺金锋
康鹏飞
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深圳市洲明科技股份有限公司
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Publication of WO2020062711A1 publication Critical patent/WO2020062711A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Definitions

  • the present application relates to the technical field of display devices, and in particular, to a display device and a bottom case thereof.
  • the display module with a smaller thermal expansion coefficient and the bottom case with a larger thermal expansion coefficient generate a certain dimensional change during the thermal expansion and contraction. Value, that is, the deformation is inconsistent.
  • the size of the display module is small, the difference has little effect on the flatness and structural stability of the display, but when the size exceeds a certain value (400mm), the difference can cause the module to bend, and the combination of the two The structure of the part is deformed and loosened, and even fails to fall off.
  • the display module In order to cope with the problem that the expansion difference between the display module and the bottom case during the thermal expansion and contraction is too large, the display module is bent and the structure fails (such as loosening and loosening of the fastening screws). Start with the dimensions of the module and the bottom case.
  • the main purpose of this application is to provide a display device and its bottom case, which are intended to offset the thermal expansion and contraction deformation of the bottom case without increasing the cost, thereby effectively ensuring the assembly effect of the bottom case and the display module.
  • the present application proposes a bottom case of a display device, which includes a bottom plate, side plates circumferentially arranged on the periphery of the bottom plate, and an array of elastic structures formed on the bottom plate and arranged vertically and horizontally; the elastic structure It is used to offset the deformation of the bottom plate due to thermal expansion and contraction.
  • each group of the elastic structure includes a plurality of elastic units connected in sequence; the elastic units are respectively connected to the base plates on both sides of the elastic units, and a first gap is provided between the elastic units and the base plates. .
  • a second gap is provided inside the elastic unit.
  • the elastic unit includes two elastic arms spaced apart, and a connecting arm connecting the two elastic arms; the first gap is located between the elastic arm and the bottom plate; and the second gap is located Between the two elastic arms.
  • the elastic structure is integrally formed with the base plate.
  • the present application also provides a display device including a bottom case and a display module detachably connected to the bottom case.
  • the bottom case includes a bottom plate, a side plate ringed around a periphery of the bottom plate, and formed on the base plate.
  • each group of the elastic structure includes a plurality of elastic units connected in sequence; the elastic units are respectively connected to the base plates on both sides of the elastic units, and a first gap is provided between the elastic units and the base plates. A second gap is provided inside the elastic unit.
  • the elastic unit includes two elastic arms spaced apart, and a connecting arm connecting the two elastic arms; the first gap is located between the elastic arm and the bottom plate; and the second gap is located Between the two elastic arms.
  • the elastic structure is integrally formed with the base plate.
  • the display module is an LED display module.
  • an elastic structure is provided on the bottom plate of the bottom case, and the bottom case is divided into several unit format regions to effectively offset the thermal expansion and cold shrinkage of the bottom case, so that the bottom case expands and contracts during the thermal expansion and contraction.
  • its external dimensions can remain unchanged, or the amount of deformation of its external dimensions is within a preset range, which can effectively ensure the assembly effect of the bottom case and the display module.
  • FIG. 1 is a schematic plan structural view of an embodiment of a bottom case of a display device of the present application
  • FIG. 2 is a partially enlarged schematic diagram at FIG. 1A;
  • FIG. 3 is a schematic diagram of a thermal expansion deformation principle of the elastic unit shown in FIG. 2;
  • FIG. 4 is a schematic diagram of the cold shrinkage deformation principle of the elastic unit shown in FIG. 2.
  • the present application proposes a bottom case of a display device.
  • FIG. 1 is a schematic plan structural view of an embodiment of a bottom case of a display device of the present application.
  • the bottom case of the display device is adapted to fit with a display module (not shown) of the display device, so as to achieve the fixing of the display module.
  • the bottom case includes a bottom plate 120, a side plate 140 circumferentially disposed on a periphery of the bottom plate, and an array of elastic structures 200 formed on the bottom plate 120.
  • the elastic structure 200, the bottom plate 120, and the side plate 140 are integrally formed from the same material. That is, the elastic structure 200 and the bottom plate 120 have the same thermal expansion and contraction amount.
  • the elastic structure 200 is arranged vertically and horizontally on the bottom plate 120, and divides the bottom case into several unit format regions (not labeled). When the bottom case is thermally expanded, each of the unit format regions will expand. While the elastic structure 200 expands under heat, it can offset the expansion amount of each of the unit format regions, so that the outer size of the bottom case will not change greatly. When the bottom case is cold-shrinked, each of the unit format regions shrinks. While the elastic structure 200 shrinks under cold, it offsets the amount of shrinkage of each unit format area, so that the outer size of the bottom case will not change greatly.
  • the elastic structure 200 is provided on the bottom plate 120 of the bottom case, and the bottom case is divided into several unit format regions to effectively offset the thermal expansion and cold shrinkage of the bottom case, so that the bottom case is hot.
  • the bottom case is divided into several unit format regions to effectively offset the thermal expansion and cold shrinkage of the bottom case, so that the bottom case is hot.
  • its external dimensions can remain unchanged, or the amount of deformation of its external dimensions is within a preset range, which can effectively ensure the assembly effect of the bottom case and the display module.
  • the bottom shell of the present application has a simple structure and a relatively low cost, which is beneficial to cost control.
  • FIG. 2 is a partially enlarged schematic diagram at FIG. 1A;
  • FIG. 3 is a schematic diagram of the thermal expansion deformation principle of the elastic unit shown in FIG. 2; Schematic of the cold shrink deformation principle of the elastic unit shown.
  • Each group of the elastic structure 200 includes a plurality of elastic units 220 connected in sequence; the elastic units 220 are respectively connected to the bottom plate 120 on both sides of the elastic unit 220, and a first A gap 202; a second gap 204 is provided inside the elastic unit 220.
  • the elastic unit 220 includes two elastic arms 222 spaced apart, and a connecting arm 224 connecting the two elastic arms 222; the first gap 202 is located between the elastic arm 222 and the bottom plate 120; The second gap 204 is located between the two elastic arms 222.
  • the elastic units 220 are sequentially connected through the elastic arms 222 to form the elastic structure 200.
  • the connection point between the two elastic units 220 is connected to the bottom plate 120 of the bottom case.
  • each of the unit format regions When the bottom case is thermally expanded, each of the unit format regions will expand. The thermal expansion amount of each of the unit format regions is absorbed by the corresponding first gap 202 and the second gap 204, and the first gap 202 and the second gap 204 are reduced to offset the The expansion amount of the bottom case is further effective to maintain the outer size of the bottom case.
  • each of the unit format regions shrinks. The amount of cold shrinkage of each of the unit format regions is absorbed by the corresponding first gap 202 and the second gap 204, and the first gap 202 and the second gap 204 are increased to offset the bottom The amount of cold shrinkage of the shell, thereby effectively maintaining the outer dimensions of the bottom shell.
  • an elastic structure is realized by several “H” -shaped elastic units connected in sequence, and the structure is simple and flexible, which can effectively meet the needs of offsetting the thermal expansion and contraction deformation of the bottom shell.
  • the present application also proposes a display device.
  • the display device includes a bottom case and a display module detachably connected to the bottom case.
  • the display module is a LED (Light Emitting Diode) display module.
  • LED Light Emitting Diode
  • an elastic structure is provided on the bottom plate of the bottom shell, and the bottom shell is divided into several unit format regions to effectively offset the thermal expansion and cold shrinkage of the bottom shell, so that the shape of the bottom shell during thermal expansion and contraction can be reduced
  • the size can be kept unchanged, or the deformation of its external dimensions is within a preset range, which can effectively ensure the assembly effect of the bottom case and the display module. Therefore, it has industrial applicability.

Abstract

一种显示装置及其底壳，底壳包括底板(120)、环设于底板周缘的侧板(140)，以及形成于底板(120)上，且纵横排列的数组弹性结构(200)；弹性结构(200)用于抵消底板(120)由于热胀冷缩而产生的变形量。通过在底壳的底板(120)上设置弹性结构(200)，并将底壳划分为数个单元格式区域，以有效抵消底壳的热胀量与冷缩量，使得底壳在热胀冷缩时，其外形尺寸能保持不变，或使得其外形尺寸的变形量在预设的范围内，进而可以有效保证底壳与显示模组的装配效果。

Description

显示装置及其底壳 技术领域
本申请涉及显示装置技术领域，特别涉及一种显示装置及其底壳。
 背景技术
当外界温度变化，尤其是在显示模组点亮与熄灭的过程中，热膨胀系数较小的显示模组与热膨胀系数较大的底壳在热胀冷缩过程中产生的一定的尺寸变化量差值，即变形不协调。当显示模组尺寸较小时，该差值对显示屏的平整度及结构稳定性影响不大，但当其尺寸超过一定值（400mm）时，该差值可导致模组弯曲，以及两者结合部位的结构发生变形松动，甚至失效脱落。
现有的为应对显示模组与底壳在热胀冷缩过程中发生的膨胀量差值过大，导致的显示模组弯曲及结构失效（如紧固螺丝松动脱落等）问题，一般从材料、模组与底壳的尺寸两方面入手。
然而，更换新的底壳材料，材料费用及加工费用大大增加。而限制模组尺寸，则无法实现显示装置的大型化，无法满足显示装置的大型化的需求。
 技术问题
本申请的主要目的是提供一种显示装置及其底壳，旨在不增加成本的前提下，对底壳热胀冷缩变形量进行抵消，进而有效保证底壳与显示模组的装配效果。
 技术解决方案
为实现上述目的，本申请提出一种显示装置的底壳，包括底板、环设于所述底板周缘的侧板，以及形成于所述底板上，且纵横排列的数组弹性结构；所述弹性结构用于抵消所述底板由于热胀冷缩而产生的变形量。
可选的，每组所述弹性结构包括数个依次连接的弹性单元；所述弹性单元分别与位于所述弹性单元两侧的所述底板连接，并与所述底板之间设有第一间隙。
可选的，所述弹性单元内部设有第二间隙。
可选的，所述弹性单元包括间隔设置的两弹性臂，以及连接两所述弹性臂的连接臂；所述第一间隙位于所述弹性臂与所述底板之间；所述第二间隙位于两所述弹性臂之间。
可选的，所述弹性结构与所述底板一体成型。
此外，本申请还提出一种显示装置，包括底壳以及与所述底壳可拆卸连接的显示模组；所述底壳包括底板、环设于所述底板周缘的侧板，以及形成于所述底板上，且纵横排列的数组弹性结构；所述弹性结构用于抵消所述底板由于热胀冷缩而产生的变形量。
可选的，每组所述弹性结构包括数个依次连接的弹性单元；所述弹性单元分别与位于所述弹性单元两侧的所述底板连接，并与所述底板之间设有第一间隙；所述弹性单元内部设有第二间隙。
可选的，所述弹性单元包括间隔设置的两弹性臂，以及连接两所述弹性臂的连接臂；所述第一间隙位于所述弹性臂与所述底板之间；所述第二间隙位于两所述弹性臂之间。
可选的，所述弹性结构与所述底板一体成型。
可选的，所述显示模组为LED显示模组。
 有益效果
本申请的技术方案，通过在底壳的底板上设置弹性结构，并将底壳划分为数个单元格式区域，以有效抵消底壳的热胀量与冷缩量，使得底壳在热胀冷缩时，其外形尺寸能保持不变，或使得其外形尺寸的变形量在预设的范围内，进而可以有效保证底壳与显示模组的装配效果。
 附图说明
为了更清楚地说明本申请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简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，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示出的结构获得其他的附图。
图1为本申请显示装置的底壳一实施例的平面结构示意图；
图2为图1A处的局部放大示意图；
图3为图2所示的弹性单元的热胀变形原理示意图；
图4为图2所示的弹性单元的冷缩变形原理示意图。
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请提出一种显示装置的底壳。
如图1所示，图1为本申请显示装置的底壳一实施例的平面结构示意图。
在本实施例中，所述显示装置的底壳用于与所述显示装置的显示模组（未图示）相适配，以实现所述显示模组的固定。
所述底壳包括底板120、环设于所述底板周缘的侧板140，以及形成于所述底板120上数组弹性结构200。具体的，在本实施例中，所述弹性结构200与所述底板120，以及所述侧板140由同种材料一体成型。也即，所述弹性结构200与所述底板120具有相同热膨冷缩量。
所述弹性结构200纵横排列于所述底板120上，将所述底壳划分成数个单元格式区域（未标示）。当所述底壳受热膨胀时，每一所述单元格式区域均会膨胀。而所述弹性结构200在受热膨胀的同时，抵消每一所述单元格式区域的膨胀量，进而使得所述底壳的外形尺寸不会有较大的改变。当所述底壳受冷收缩时，每一所述单元格式区域均会收缩。而所述弹性结构200在受冷收缩的同时，抵消每一所述单元格式区域的收缩量，同样使得所述底壳的外形尺寸不会有较大的改变。
本实施例的技术方案，通过在底壳的底板120上设置弹性结构200，并将底壳划分为数个单元格式区域，以有效抵消底壳的热胀量与冷缩量，使得底壳在热胀冷缩时，其外形尺寸能保持不变，或使得其外形尺寸的变形量在预设的范围内，进而可以有效保证底壳与显示模组的装配效果。且本申请的底壳结构简单，成本相对较低，利于成本控制。
进一步的，如图2至图4所示，并参考图1，图2为图1A处的局部放大示意图；图3为图2所示的弹性单元的热胀变形原理示意图；图4为图2所示的弹性单元的冷缩变形原理示意图。
每组所述弹性结构200包括数个依次连接的弹性单元220；所述弹性单元220分别与位于所述弹性单元220两侧的所述底板120连接，并与所述底板120之间设有第一间隙202；所述弹性单元220内部设有第二间隙204。
具体的，所述弹性单元220包括间隔设置的两弹性臂222，以及连接两所述弹性臂222的连接臂224；所述第一间隙202位于所述弹性臂222与所述底板120之间；所述第二间隙204位于两所述弹性臂222之间。所述弹性单元220通过所述弹性臂222依次连接，组成所述弹性结构200。且两所述弹性单元220的连接处与所述底壳的底板120连接在一起。
当所述底壳受热膨胀时，每一所述单元格式区域均会膨胀。而每一所述单元格式区域的热胀量均被对应的所述第一间隙202与所述第二间隙204吸收，所述第一间隙202与所述第二间隙204减小，以抵消所述底壳的膨胀量，进而有效保持所述底壳的外形尺寸。当所述底壳受冷收缩时，每一所述单元格式区域均会收缩。而每一所述单元格式区域的冷缩量均被对应的所述第一间隙202与所述第二间隙204吸收，所述第一间隙202与第二间隙204增大，以抵消所述底壳的冷缩量，进而有效保持所述底壳的外形尺寸。
本实施例的技术方案，通过依次连接的数个“H”型的弹性单元实现了弹性结构，结构简单，柔性较好，可以有效满足抵消底壳热胀冷缩变形量的的需求。
值得一提的是，上述对所述弹性单元的具体形状的描述，只是为了能更清楚的说明本申请，而并非用于限定本申请，其他具有类似功能的弹性单元同样适用于本申请。
本申请还提出一种显示装置。
在本实施例中，所述显示装置包括底壳以及与所述底壳可拆卸连接的显示模组。其中，所述显示模组为LED（LightEmitting Diode，发光二极管）显示模组。而所述底壳具体结构参照上述实施例。由于所述显示装置采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
以上所述仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是在本申请的实用新型构思下，利用本申请说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本申请的专利保护范围内。
 工业实用性
本申请通过在底壳的底板上设置弹性结构，并将底壳划分为数个单元格式区域，以有效抵消底壳的热胀量与冷缩量，使得底壳在热胀冷缩时，其外形尺寸能保持不变，或使得其外形尺寸的变形量在预设的范围内，进而可以有效保证底壳与显示模组的装配效果。因此，具有工业适用性。

Claims (10)

  1. 一种显示装置的底壳，包括底板、环设于所述底板周缘的侧板，以及形成于所述底板上，且纵横排列的数组弹性结构；所述弹性结构用于抵消所述底板由于热胀冷缩而产生的变形量。
  2. 如权利要求1所述的显示装置的底壳，其中，每组所述弹性结构包括数个依次连接的弹性单元；所述弹性单元分别与位于所述弹性单元两侧的所述底板连接，并与所述底板之间设有第一间隙。
  3. 如权利要求2所述的显示装置的底壳，其中，所述弹性单元内部设有第二间隙。
  4. 如权利要求3所述的显示装置的底壳，其中，所述弹性单元包括间隔设置的两弹性臂，以及连接两所述弹性臂的连接臂；所述第一间隙位于所述弹性臂与所述底板之间；所述第二间隙位于两所述弹性臂之间。
  5. 如权利要求1至4中任意一项所述的显示装置的底壳，其中，所述弹性结构与所述底板一体成型。
  6. 一种显示装置，包括底壳以及与所述底壳可拆卸连接的显示模组；所述底壳包括底板、环设于所述底板周缘的侧板，以及形成于所述底板上，且纵横排列的数组弹性结构；所述弹性结构用于抵消所述底板由于热胀冷缩而产生的变形量。
  7. 如权利要求6所述的显示装置，其中，每组所述弹性结构包括数个依次连接的弹性单元；所述弹性单元分别与位于所述弹性单元两侧的所述底板连接，并与所述底板之间设有第一间隙；所述弹性单元内部设有第二间隙。
  8. 如权利要求7所述的显示装置，其中，所述弹性单元包括间隔设置的两弹性臂，以及连接两所述弹性臂的连接臂；所述第一间隙位于所述弹性臂与所述底板之间；所述第二间隙位于两所述弹性臂之间。
  9. 如权利要求6至8中任意一项所述的显示装置的底壳，其中，所述弹性结构与所述底板一体成型。
  10. 如权利要求6所述的显示装置，其中，所述显示模组为LED显示模组。
PCT/CN2019/071456 2018-09-28 2019-01-11 显示装置及其底壳 WO2020062711A1 (zh)

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JP2018017745A (ja) * 2016-07-25 2018-02-01 大日本印刷株式会社 表示装置
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