WO2021208477A1 - 一种背光模组及显示装置 - Google Patents

一种背光模组及显示装置 Download PDF

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Publication number
WO2021208477A1
WO2021208477A1 PCT/CN2020/136359 CN2020136359W WO2021208477A1 WO 2021208477 A1 WO2021208477 A1 WO 2021208477A1 CN 2020136359 W CN2020136359 W CN 2020136359W WO 2021208477 A1 WO2021208477 A1 WO 2021208477A1
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WO
WIPO (PCT)
Prior art keywords
bracket
backlight module
support
liquid crystal
diaphragm
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PCT/CN2020/136359
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English (en)
French (fr)
Inventor
王林峰
付三华
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惠州视维新技术有限公司
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Publication of WO2021208477A1 publication Critical patent/WO2021208477A1/zh

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    • G—PHYSICS
    • 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
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices

Definitions

  • the present disclosure relates to the field of display technology, and in particular to a backlight module and a display device.
  • L1 is the width of the black border of the LCD screen 2
  • L2 is the black border on the ground side of the LCD screen 2.
  • L3 is the width of the front frame 1.
  • This type of OC with a large black border on the ground side can sacrifice the OC blanking amount to achieve a narrow frame, but the biggest disadvantage is that there are more black borders on the ground side, which affects the appearance.
  • This kind of OC with a large black border on the ground side can be used as a narrow frame to press the optical components and accept the OC through a plastic bracket, because the A value (the distance from the lamp bead to the effective display position of the LCD screen) is relatively large, and the structural design space is sufficient.
  • Diaphragm 5 can be placed on or under the plastic bracket; the third type, the black border on the ground side of the OC is relatively small, as shown in Figure 2, L1 is the width of the black border of the LCD screen 2, and L2 is The width of the black border on the ground side of the LCD screen 2, and L3 is the width of the front frame 1.
  • L1 is the width of the black border of the LCD screen 2
  • L2 is The width of the black border on the ground side of the LCD screen 2
  • L3 is the width of the front frame 1.
  • the OC with a small black border on the ground side is designed according to the traditional structure, only a plastic bracket is used to press the optical components and accept the OC, for consideration
  • the expansion and contraction space of the diaphragm 5 and the space for the plastic bracket to accept the OC must be made larger, and the diaphragm 5 must be placed under the plastic bracket.
  • the front frame 1 will be larger, although the exposed black edges are small, but Still can't make narrow bezels.
  • the purpose of the present disclosure is to provide a backlight module and a display device to solve the problem that the screen-sealing + ground-side framed module structure cannot simultaneously achieve narrow frames and small exposed black edges.
  • a backlight module which includes:
  • a liquid crystal display the liquid crystal display is arranged under the front frame;
  • a first support, the first support is arranged under the liquid crystal display
  • a second bracket, the second bracket is arranged below the first bracket, and a first accommodating cavity is formed between the first bracket and the second bracket;
  • the diaphragm, the diaphragm is arranged in the first accommodating cavity.
  • the second bracket includes a first support portion and a second support portion, and the first support portion and the second support portion are integrally provided.
  • the first accommodating cavity is formed between the first supporting portion and the first bracket.
  • the diaphragm is arranged on the upper end surface of the first supporting part.
  • the first support is located above the diaphragm.
  • a light guide plate is further included, and the light guide plate is arranged under the second bracket.
  • a heat sink is further included, the heat sink is arranged under the second support, and the light guide plate is located between the second support and the heat sink.
  • a second accommodating cavity is formed between the heat sink, the second bracket and the light guide plate.
  • a light bar is further included, and the light bar is arranged in the second accommodating cavity.
  • lamp beads are arranged on the light bar.
  • a first sponge strip is arranged between the liquid crystal display screen and the first bracket.
  • the first sponge strip is arranged on the upper end surface of the first bracket.
  • a second sponge strip is arranged between the second bracket and the light guide plate.
  • the second sponge strip is arranged on the upper end surface of the light guide plate.
  • first bracket and the second bracket are both made of metal materials.
  • the present disclosure also provides a display device, which includes the backlight module.
  • the present disclosure provides a backlight module and a display device, the backlight module includes: a front frame; a liquid crystal display screen, the liquid crystal display screen is arranged under the front frame; a first bracket, the first bracket is arranged Under the liquid crystal display; a second support, the second support is arranged below the first support, a first accommodating cavity is formed between the first support and the second support; and a film The diaphragm is arranged in the first accommodating cavity.
  • the present disclosure enables the screen-sealing + ground-side framed module architecture to achieve the goal of narrow frame and small black edges of the ground-side liquid crystal display at the same time by adopting the dual-bracket solution.
  • FIG. 1 is a schematic diagram of the structure of a narrow-frame module structure in the prior art.
  • FIG. 2 is a schematic structural diagram of a module structure with a small black border on the side of a liquid crystal display in the prior art.
  • FIG. 3 is a schematic diagram of the structure of the backlight module in the present disclosure.
  • the present disclosure provides a backlight module and a display device, and in particular relates to a narrow-edge side-entry backlight module architecture, which is suitable for display devices such as televisions.
  • the structure of the backlight module can not only achieve a narrow frame, but also a small exposed black edge, which can improve the appearance advantage of the TV and make the TV more beautiful.
  • the present disclosure provides a preferred embodiment of a backlight module.
  • a backlight module includes a front frame 1, a liquid crystal display screen 2, a first bracket 3, a second bracket 4, a film 5 (optical film) and a light guide plate 6.
  • the liquid crystal display screen 2 is arranged under the front frame 1
  • the first support 3 is arranged under the liquid crystal display (Open Cell, OC) 2
  • the second support 4 is arranged on the first support Below 3
  • a first containing cavity is formed between the first bracket 3 and the second bracket 4
  • the diaphragm 5 is disposed in the first containing cavity.
  • the backlight module further includes a light bar 8 which is arranged under the second bracket 4 and located on the side of the light guide plate 6. Wherein, lamp beads 81 are provided on the light bar 8.
  • L1 is the width of the OC exposed black border
  • L2 is the width of the OC ground side black border
  • L3 is the width of the front frame 1
  • the value A is valid from the end face of the lamp bead 81 to the LCD screen 2. Display the distance of the location.
  • the A value must be compressed, because the width of the border cannot be made smaller if the A value is not compressed.
  • the second bracket 4 in the present disclosure is used to press the light guide plate 6.
  • the diaphragm 5 must be placed in the first The upper end surface of the second bracket 4.
  • the first bracket 3 is overlapped on the second bracket 4, so that a first accommodating cavity is formed between the first bracket 3 and the second bracket 4, so that the diaphragm 5 can be saved.
  • the expansion space can again accept the liquid crystal display screen 2 through the first bracket 3.
  • the module architecture in the present disclosure uses a small black border OC on the ground side, which can achieve a narrow frame without affecting the expansion and contraction space of the diaphragm 5 and the space for receiving the OC.
  • the second support 4 includes a first support 41 and a second support 42, the first support 41 and the second support 42 are integrally provided, the first support 41 and the first support
  • the first accommodating cavity is formed between 3.
  • the diaphragm 5 is disposed on the upper end surface of the first supporting portion 41 and is accommodated in the first accommodating cavity, and the first bracket 3 is located above the diaphragm 5 and is used to support the liquid crystal Display 2.
  • the backlight module further includes a heat sink 7, the heat sink 7 is arranged under the second bracket 4, the light guide plate 6 is located between the second bracket 4 and the heat sink 7, and the heat dissipation A second accommodating cavity is formed between the device 7, the second bracket 4 and the light guide plate 6.
  • the heat sink 7 is disposed under the second bracket 4 and used to support the second bracket 4, the light bar 8 is disposed in the second accommodating cavity, and the light guide plate 6 is disposed on the On the heat sink 7, the heat sink 7 is used to dissipate heat to the second bracket 4, the light guide plate 6 and the light bar 8.
  • a first sponge strip 9 is provided between the liquid crystal display screen 2 and the first support 3, and a second sponge strip 10 is provided between the second support 4 and the light guide plate 6.
  • the first sponge strip 9 is cushioned on the upper end surface of the first bracket 3 to protect the liquid crystal display 2 from damage, and the second sponge strip 10 is arranged on the upper end surface of the light guide plate 6 to prevent The second bracket 4 crushes the light guide plate 6.
  • the first bracket 3 and the second bracket 4 are made of metal materials to increase the rigidity of the first bracket 3 and the second bracket 4, so as to ensure that the LCD screen 2 can be supported so that the diaphragm 5 There is enough space for expansion and contraction in the first accommodating cavity.
  • the display device may be a television, which includes a backlight module, the backlight module includes: a front frame 1; a liquid crystal display screen 2, the liquid crystal display screen 2 is arranged in Below the front frame 1; a first bracket 3, the first bracket 3 is arranged below the liquid crystal display screen 2; a second bracket 4, the second bracket 4 is arranged below the first bracket 3, so A first accommodating cavity is formed between the first support 3 and the second stent 4; a diaphragm 5, and the diaphragm 5 is arranged in the first accommodating cavity.
  • the backlight module includes: a front frame 1; a liquid crystal display screen 2, the liquid crystal display screen 2 is arranged in Below the front frame 1; a first bracket 3, the first bracket 3 is arranged below the liquid crystal display screen 2; a second bracket 4, the second bracket 4 is arranged below the first bracket 3, so A first accommodating cavity is formed between the first support 3 and the second stent 4; a diaphragm 5, and the diaphragm 5 is arranged in the first accommodating cavity.
  • the present disclosure provides a backlight module and a display device.
  • the backlight module includes: a front frame; a liquid crystal display, where the liquid crystal display is arranged under the front frame; and a first bracket, The first bracket is arranged below the liquid crystal display; the second bracket is arranged below the first bracket, and a first container is formed between the first bracket and the second bracket.
  • a cavity; a diaphragm, the diaphragm is arranged in the first accommodating cavity.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)

Abstract

一种背光模组及显示装置，背光模组包括：前框（1）；液晶显示屏（2），液晶显示屏（2）设置在前框（1）下方；第一支架（3），第一支架（3）设置在液晶显示屏（2）下方；第二支架（4），第二支架（4）设置在第一支架（3）下方，第一支架（3）与第二支架（4）之间形成第一容置空腔；膜片（5），膜片（5）设置在第一容置空腔中。通过采用双支架的方案使得封屏+地侧带边框的模组架构能够同时达到窄边以及地侧液晶显示屏（2）露黑边小的目的。

Description

一种背光模组及显示装置
优先权
本公开要求于申请日为2020年04月13日提交中国专利局、申请号为“2020205383330”、申请名称为“一种背光模组及显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及显示技术领域，尤其涉及的是一种背光模组及显示装置。
背景技术
目前市面上的侧入式模组电视种类繁多，有封屏的、四边带边框的以及封屏+地侧带边框的，其中，封屏的(比较少)，封屏+地侧带边框比较多。对于封屏+地侧带边框的模组架构，目前市面上电视机形态大概有如下几种：第一种，下边框不追求窄边的，这种设计余量比较大；第二种，液晶显示屏(Open Cell，OC)地侧黑边比较大，但是可以追求窄边框，如图1所示，L1为液晶显示屏2露黑边的的宽度，L2为液晶显示屏2地侧黑边的宽度，L3为前框1的宽度，这种地侧黑边大的OC可以牺牲OC的压边量来做到窄边框，但是最大缺点就是地侧露黑边比较多，影响美观。这种地侧大黑边的OC做窄边框可以通过一件塑胶支架来压光学部件和承接OC，因为A值(灯珠到液晶显示屏有效显示位置的距离)比较大，结构设计空间充足，膜片5放在塑胶支架上或放在塑胶支架下均可行；第三种，OC地侧黑边比较小，如图2所示，L1为液晶显示屏2露黑边的的宽度，L2为液晶显示屏2地侧黑边的宽度，L3为前框1的宽度，这种地侧黑边小的OC如果按传统结构设计只用一件塑胶支架来压光学部件和承接OC的话，为了考虑膜片5的膨胀收缩空间以及塑胶支架承接OC的空间，必须把A值做大，而且膜片5必须放塑胶支架下，这种结构方式前框1会比较大，虽然露黑边小，但还是做不了窄边框。
因此，现有技术还有待于改进和发展。
公开内容
鉴于上述现有技术的不足，本公开的目的在于提供一种背光模组及显示装置，以解决封屏+地侧带边框的模组架构不能同时实现窄边框、露黑边小的问题。
本公开的技术方案如下：
一种背光模组，该背光模组包括：
前框；
液晶显示屏，所述液晶显示屏设置在所述前框下方；
第一支架，所述第一支架设置在所述液晶显示屏下方；
第二支架，所述第二支架设置在所述第一支架下方，所述第一支架与所述第二支架之间形成一第一容置空腔；
膜片，所述膜片设置在所述第一容置空腔中。
其中，所述第二支架包括第一支撑部和第二支撑部，所述第一支撑部和所述第二支撑部一体设置。
其中，所述第一支撑部和所述第一支架之间形成所述第一容置空腔。
其中，所述膜片设置在所述第一支撑部的上端面。
其中，所述第一支架位于所述膜片上方。
其中，所述膜片与所述第一支架之间具有间隙。
其中，还包括导光板，所述导光板设置在所述第二支架下方。
其中，还包括散热器，所述散热器设置在所述第二支架下方，所述导光板位于所述第二支架和所述散热器之间。
其中，所述散热器、所述第二支架和所述导光板之间形成一第二容置空腔。
其中，还包括灯条，所述灯条设置在所述第二容置空腔中。
其中，所述灯条上设置有灯珠。
本公开的进一步设置，所述液晶显示屏和所述第一支架之间设置有第一海绵条。
其中，所述第一海绵条设置在所述第一支架的上端面。
其中，所述第二支架和所述导光板之间设置有第二海绵条。
其中，所述第二海绵条设置在所述导光板的上端面。
其中，所述第一支架和所述第二支架均由金属材料制成。
本公开还提供了一种显示装置，该显示装置包括所述的背光模组。
本公开所提供的一种背光模组及显示装置，该背光模组包括：前框；液晶显示屏，所述液晶显示屏设置在所述前框下方；第一支架，所述第一支架设置在所述液晶显示屏下方；第二支架，所述第二支架设置在所述第一支架下方，所述第一支架与所述第二支架之间形成一第一容置空腔；以及膜片，所述膜片设置在所述第一容置空腔中。本公开通过采用双支架的方案使得封屏+地侧带边框的模组架构能够同时达到窄边框以及地侧液晶显示屏露黑边小的目的。
附图说明
为了更清楚的说明本公开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公开的一些实施例，对于本领域普通人员来讲，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是现有技术中窄边框模组架构的结构示意图。
图2是现有技术中液晶显示屏地侧黑边较小的模组架构的结构示意图。
图3是本公开中背光模组的结构示意图。
附图中各标记：1、前框；2、液晶显示屏；3、第一支架；4、第二支架；41、第一支撑部；42、第二支撑部；5、膜片；6、导光板；7、散热器；8、灯条；81、灯珠；9、第一海绵条；10、第二海绵条。
具体实施方式
本公开提供一种背光模组及显示装置，特别涉及一种窄边侧入式背光模组架构，适用于电视机等显示装置中，本公开中的背光模组架构为双支架窄边侧入式背光模组架构，既可以做到窄边框，又可以做到露黑边小，能够提高电视机的外观优势，使得电视机更具美观性。为使本公开的目的、技术方案及效果更加清楚、明确，以下参照附图并举实 例对本公开进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本公开，并不用于限定本公开。
在实施方式和申请专利范围中，除非文中对于冠词有特别限定，否则“一”与“所述”可泛指单一个或复数个。
另外，若本公开实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其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至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本公开要求的保护范围之内。
请同时参阅图3，本公开提供了一种背光模组的较佳实施例。
如图3所示，一种背光模组，该背光模组包括前框1、液晶显示屏2、第一支架3、第二支架4、膜片5(光学膜片)以及导光板6。所述液晶显示屏2设置在所述前框1下方，所述第一支架3设置在所述液晶显示屏(Open Cell，OC)2下方，所述第二支架4设置在所述第一支架3下方，所述第一支架3与所述第二支架4之间形成一第一容置空腔，所述膜片5设置在所述第一容置空腔中。更进一步地，所述背光模组还包括灯条8，所述灯条8设置在所述第二支架4下方并位于所述导光板6一侧。其中，所述灯条8上设置有灯珠81。
请继续参阅图3，图3中L1为OC露黑边的宽度，L2为OC地侧黑边的宽度，L3为前框1的宽度，A值为灯珠81的端面到液晶显示屏2有效显示位置的距离。为达到将OC的小黑边做小以及将边框的宽度做小，A值必须要压缩，因为A值不压缩的话边框的宽度无法做小。本公开中的第二支架4用于压导光板6，由于A值小，第二支架4跟导光板6之间没有足够的空间用于供膜片5膨胀，所以膜片5必须放在第二支架4的上端面。然而将膜片5放在第二支架4上面之后，为了给膜片5腾出膨胀空间从而液晶显示屏2需要让出承接空间。因此，本使用新型通过让第一支架3搭接在第二支架4上面，使得第一支架3和第二支架4之间形成一第一容置空腔，这样既能留出膜片5的膨 胀空间，又可以通过第一支架3承接液晶显示屏2。因此，本公开通过使用双支架(第一支架和第二支架)来压膜片5和承接液晶显示屏2，既可以做到窄边框，又可以做到露黑边较小。也就是说，本公开中的模组架构所使用的是地侧小黑边OC，既能够做到窄边框而又不影响膜片5的膨胀收缩空间及承接OC的空间。
所述第二支架4包括第一支撑部41和第二支撑部42，所述第一支撑部41和所述第二支撑部42一体设置，所述第一支撑部41和所述第一支架3之间形成所述第一容置空腔。所述膜片5设置在所述第一支撑部41的上端面并容置于所述第一容置空腔中，所述第一支架3位于所述膜片5上方并用于支撑所述液晶显示屏2。
所述膜片5与所述第一支架3之间具有间隙，以保证所述膜片5具有足够的膨胀空间。
所述背光模组还包括散热器7，所述散热器7设置在所述第二支架4下方，所述导光板6位于所述第二支架4和所述散热器7之间，所述散热器7、所述第二支架4和所述导光板6之间形成一第二容置空腔。所述散热器7设置在所述第二支架4下方并用于支撑所述第二支架4，所述灯条8设置在所述第二容置空腔中，所述导光板6设置在所述散热器7上，所述散热器7用于给所述第二支架4、所述导光板6以及所述灯条8散热。
所述液晶显示屏2和所述第一支架3之间设置有第一海绵条9，所述第二支架4和所述导光板6之间设置有第二海绵条10。所述第一海绵条9垫在所述第一支架3上端面，能够保护所述液晶显示屏2不受损坏，所述第二海绵条10设置在所述导光板6的上端面，能够防止所述第二支架4压坏导光板6。
所述第一支架3和所述第二支架4均由金属材料制成，以增加所述第一支架3和所述第二支架4的刚性，从而保证能够支撑液晶显示屏2，使得膜片5在第一容置空腔中具有足够的膨胀收缩空间。
本公开还提供了一种显示装置，例如，该显示装置可以是电视机，其包括背光模组，所述背光模组包括：前框1；液晶显示屏2，所述液晶显示屏2设置在所述前框1下方；第一支架3，所述第一支架3设置在所述液晶显示屏2下方；第二支架4，所述第二支 架4设置在所述第一支架3下方，所述第一支架3与所述第二支架4之间形成一第一容置空腔；膜片5，所述膜片5设置在所述第一容置空腔中。具体如上所述，在此不再赘述。
综上所述，本公开所述提供的一种背光模组及显示装置，该背光模组包括：前框；液晶显示屏，所述液晶显示屏设置在所述前框下方；第一支架，所述第一支架设置在所述液晶显示屏下方；第二支架，所述第二支架设置在所述第一支架下方，所述第一支架与所述第二支架之间形成一第一容置空腔；膜片，所述膜片设置在所述第一容置空腔中。本公开通过采用双支架的方案使得封屏+地侧带边框的模组架构能够同时达到窄边以及地侧液晶显示屏露黑边小的目的。
应当理解的是，本公开的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本公开所附权利要求的保护范围。

Claims (17)

  1. 一种背光模组，其中，包括：
    前框；
    液晶显示屏，所述液晶显示屏设置在所述前框下方；
    第一支架，所述第一支架设置在所述液晶显示屏下方；
    第二支架，所述第二支架设置在所述第一支架下方，所述第一支架与所述第二支架之间形成第一容置空腔；以及
    膜片，所述膜片设置在所述第一容置空腔中。
  2. 根据权利要求1所述的背光模组，其中，所述第二支架包括第一支撑部和第二支撑部，所述第一支撑部和所述第二支撑部一体设置。
  3. 根据权利要求2所述的背光模组，其中，所述第一支撑部和所述第一支架之间形成所述第一容置空腔。
  4. 根据权利要求3所述的背光模组，其中，所述膜片设置在所述第一支撑部的上端面。
  5. 根据权利要求4所述的背光模组，其中，所述第一支架位于所述膜片上方。
  6. 根据权利要求1所述的背光模组，其中，所述膜片与所述第一支架之间具有间隙。
  7. 根据权利要求1所述的背光模组，其中，还包括导光板，所述导光板设置在所述第二支架下方。
  8. 根据权利要求7所述的背光模组，其中，还包括散热器，所述散热器设置在所述第二支架下方，所述导光板位于所述第二支架和所述散热器之间。
  9. 根据权利要求8所述的背光模组，其中，所述散热器、所述第二支架和所述导光板之间形成第二容置空腔。
  10. 根据权利要求9所述的背光模组，其中，还包括灯条，所述灯条设置在所述第二容置空腔中。
  11. 根据权利要求10所述的背光模组，其中，所述灯条上设置有灯珠。
  12. 根据权利要求1所述的背光模组，其中，所述液晶显示屏和所述第一支架之间 设置有第一海绵条。
  13. 根据权利要求12所述的背光模组，其中，所述第一海绵条设置在所述第一支架的上端面。
  14. 根据权利要求7所述的背光模组，其中，所述第二支架和所述导光板之间设置有第二海绵条。
  15. 根据权利要求14所述的背光模组，其中，所述第二海绵条设置在所述导光板的上端面。
  16. 根据权利要求1所述的背光模组，其中，所述第一支架和所述第二支架均由金属材料制成。
  17. 一种显示装置，其中，包括权利要求1至16任一项所述的背光模组。
PCT/CN2020/136359 2020-04-13 2020-12-15 一种背光模组及显示装置 WO2021208477A1 (zh)

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