WO2020082590A1 - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
WO2020082590A1
WO2020082590A1 PCT/CN2018/124486 CN2018124486W WO2020082590A1 WO 2020082590 A1 WO2020082590 A1 WO 2020082590A1 CN 2018124486 W CN2018124486 W CN 2018124486W WO 2020082590 A1 WO2020082590 A1 WO 2020082590A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
display device
area
diffusion plate
Prior art date
Application number
PCT/CN2018/124486
Other languages
French (fr)
Chinese (zh)
Inventor
景小红
Original Assignee
惠州市华星光电技术有限公司
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
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Publication of WO2020082590A1 publication Critical patent/WO2020082590A1/en

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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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Definitions

  • the invention relates to the field of display technology, in particular to a liquid crystal display device.
  • ultra-narrow bezel products are increasingly favored by the market.
  • the lack of light at the edge of the LCD module affects the taste of the entire ultra-narrow bezel (ENB) product .
  • the existing conventional mode liquid crystal display device includes a backlight module 10 and a liquid crystal display panel 20.
  • the liquid crystal display panel 20 includes a display area 201 'and a non-display area 202', wherein the backlight module 10 includes a plastic frame 11,
  • the diffusion plate 12 and the optical film group 13 in which the plastic frame 11 is provided with a groove 111, and a light source is provided in the groove 111, the light emitting area 101 and the display area 201 'of the backlight module 10 have the same area.
  • the area of the non-display area 202 of the narrow-frame liquid crystal display panel is reduced.
  • the area of the display area 201 is larger than the area of the light-emitting area 101, so that a dark area 203 appears on the edge of the display area 201, that is, this area
  • the brightness is lower, which reduces the display effect.
  • An object of the present invention is to provide a liquid crystal display device, which can avoid dark areas at the edges of the display area and improve the display effect.
  • the present invention provides a liquid crystal display device, which includes:
  • LCD panel including display area and non-display area
  • the backlight module includes: a plastic frame and a diffusion plate provided on the plastic frame; the plastic frame includes a first part, second parts and third parts respectively located on both sides of the first part; the first part is provided There is a first groove, the bottom of the first groove is provided with a light source; both the second part and the third part are provided with a second groove, so that the second part and the third part Both are spaced apart from the diffusion plate; and at least one support is provided between the second portion and the diffusion plate and between the third portion and the diffusion plate, wherein the first portion and the second portion And the third part together form a light-emitting area, the position of the light-emitting area corresponds to the position of the display area, the depth of the second groove is less than the depth of the first groove, the surface of the support is provided with Reflective layer.
  • the depth of the second groove is within a preset depth range.
  • the area of the support member is within a preset area range.
  • the support includes a bottom and a top, the bottom is close to the plastic frame, the top is close to the diffusion plate, and the width of the bottom is greater than the width of the top.
  • the cross-sectional shape of the bottom portion includes at least one of a rectangular shape and a trapezoidal shape
  • the cross-sectional shape of the top portion includes at least one of a trapezoidal shape and a semicircular shape.
  • the material of the support is a transparent material.
  • the area of the diffusion plate is equal to the area of the light-emitting area.
  • the plastic frame further includes a fourth part, and the fourth part is located outside the second part and the third part.
  • the fourth portion corresponds to the position of the non-display area.
  • the diffusion plate covers the light-emitting area.
  • the invention provides a liquid crystal display device, which comprises:
  • LCD panel including display area and non-display area
  • the backlight module includes: a plastic frame and a diffusion plate provided on the plastic frame; the plastic frame includes a first part, second parts and third parts respectively located on both sides of the first part; the first part is provided There is a first groove, the bottom of the first groove is provided with a light source; both the second part and the third part are provided with a second groove, so that the second part and the third part Both are spaced apart from the diffusion plate; and at least one support is provided between the second portion and the diffusion plate and between the third portion and the diffusion plate, wherein the first portion and the second portion And the third part jointly forms a light emitting area, and the position of the light emitting area corresponds to the position of the display area.
  • the depth of the second groove is smaller than the depth of the first groove.
  • the depth of the second groove is within a preset depth range.
  • a reflective layer is provided on the surface of the support.
  • the area of the support member is within a preset area range.
  • the support includes a bottom and a top, the bottom is close to the plastic frame, the top is close to the diffusion plate, and the width of the bottom is greater than the width of the top.
  • the cross-sectional shape of the bottom portion includes at least one of a rectangular shape and a trapezoidal shape
  • the cross-sectional shape of the top portion includes at least one of a trapezoidal shape and a semicircular shape.
  • the material of the support is a transparent material.
  • the area of the diffusion plate is equal to the area of the light-emitting area.
  • the plastic frame further includes a fourth part, and the fourth part is located outside the second part and the third part.
  • liquid crystal display device of the present invention by adding grooves in the second and third parts of the plastic frame, more light enters the diffusion plate, that is, the area of the light emitting area of the backlight module is increased, and the edge of the display area is avoided Dark areas appear, improving the display effect.
  • FIG. 1 is a schematic diagram of the structure of the first liquid crystal display device
  • FIG. 2 is a schematic structural diagram of a second type of existing liquid crystal display device
  • FIG. 3 is a schematic structural diagram of a liquid crystal display device of the present invention.
  • FIG. 4 is a first cross-sectional view along AA 'direction in FIG. 3;
  • FIG. 5 is a second cross-sectional view along AA 'direction in FIG. 3;
  • Fig. 6 is a third cross-sectional view along the AA 'direction in Fig. 3.
  • FIG. 3 is a schematic structural diagram of a liquid crystal display device of the present invention.
  • the liquid crystal display device of the present invention includes a backlight module 10 and a liquid crystal display panel 20; wherein the liquid crystal display panel 20 includes a display area 201 and a non-display area 202.
  • the backlight module 10 includes a plastic frame 16 and a diffusion plate 12 disposed on the plastic frame 16; the backlight module 10 may further include an optical film group 13 that is located on the diffusion plate 12.
  • the plastic frame 16 includes a first portion 161, a second portion 162 located on both sides of the first portion 161, and a third portion 163; the second portion 162 is located on the left side of the first portion 161, and the third portion 163 is located on the first portion On the right side of 161, the first portion 161, the second portion 162, and the third portion 163 together form a light emitting area 102, and the position of the light emitting area 102 corresponds to the position of the display area 201.
  • the area of the light-emitting area 102 is greater than or equal to the area of the display area 201.
  • the area of the light emitting area 102 is equal to the area of the display area 201.
  • the first part 161 is provided with a first groove 17, wherein the cross-sectional shape of the first groove 17 is trapezoidal, and a light source 14 is provided at the bottom of the first groove 17; the light source is a direct light source.
  • the second part 162 and the third part 163 are both provided with a second groove 18, specifically the second groove 18 is provided on top of the second part 162 and the third part 163, so that the first Both the second part 162 and the third part 163 are spaced apart from the diffusion plate 12.
  • the distance between the second portion 162 and the diffusion plate 12 is equal to the distance between the third portion 163 and the diffusion plate 12.
  • the cross-sectional shape of the second groove 18 is rectangular.
  • the depth of the second groove 18 is smaller than the depth of the first groove 17.
  • the depth of the second groove 18 is within a preset depth range.
  • At least one support 19 is provided between the second portion 162 and the diffusion plate 12 and between the third portion 163 and the diffusion plate 12.
  • the support 19 is used to support the diffusion plate 12.
  • the material of the support 19 is a transparent material.
  • the material of the support 19 may be the same as the material of the diffusion plate 12.
  • the cross-sectional shape of the support member 19 may be rectangular, trapezoidal, or the like.
  • the cross-sectional shape of the support 19 is preferably a trapezoidal shape or the like.
  • the support 19 includes a top 191 and a bottom 192, the bottom 192 is close to the plastic frame 16, the top 191 is close to the diffusion plate 12, and the width of the bottom 192 is greater than Describe the width of the top 191.
  • the cross-sectional shape of the bottom 192 includes at least one of a rectangle and a trapezoid
  • the cross-sectional shape of the top 191 includes at least one of a trapezoid and a semicircle. It can be understood that the cross-sectional shape of the support 19 may be other shapes.
  • the number of the supporting members 19 is not limited.
  • the area of the support 19 is within a predetermined area.
  • a reflective layer is provided on the surface of any one of the supports 19.
  • the plastic frame 16 further includes a fourth portion 164 that covers the end of the diffusion plate 12. That is, the fourth portion is located outside the second portion 162 and the third portion 163, wherein the fourth portion 164 corresponds to the position of the non-display area 202. In one embodiment, the projected area of the fourth portion 164 is equal to the area of the non-display area 202.
  • the area of the diffusion plate 12 is equal to the area of the light-emitting area 102. That is, the diffusion plate 12 covers the light-emitting area 102.
  • liquid crystal display device of the present invention by adding grooves in the second and third parts of the plastic frame, more light enters the diffusion plate, that is, the area of the light emitting area of the backlight module is increased, and the edge of the display area is avoided Dark areas appear, improving the display effect.

Abstract

A liquid crystal display device. The liquid crystal display device comprises: an adhesive frame (16) and a diffuser plate (12) arranged on the adhesive frame (16); the adhesive frame (16) comprises a first portion (161), and a second portion (162) and third portion (163) respectively located at two sides of the first portion (161); the second portion (162) and the third portion (163) are each provided with a second groove (18), and at least one support member (19) is provided between both the second portion (162) and third portion (163) and the diffuser plate.

Description

一种液晶显示装置Liquid crystal display device 技术领域Technical field
本发明涉及显示技术领域，特别是涉及一种液晶显示装置。The invention relates to the field of display technology, in particular to a liquid crystal display device.
背景技术Background technique
随着显示技术的发展，超窄边框产品越来越受到市场的青睐，然而，因LCD产品背光的结构限制，造成LCD模组边缘的光线欠缺，从而影响整个超窄边框（ENB）产品的品味。With the development of display technology, ultra-narrow bezel products are increasingly favored by the market. However, due to the structural limitations of the backlight of LCD products, the lack of light at the edge of the LCD module affects the taste of the entire ultra-narrow bezel (ENB) product .
如图1所示，现有的传统模式的液晶显示装置包括背光模块10和液晶显示面板20，液晶显示面板20包括显示区域201＇和非显示区域202＇，其中背光模块10包括胶框11、扩散板12以及光学膜片组13，其中胶框11上设置有凹槽111，凹槽111内设置有光源，背光模块10的发光区101和显示区域201＇的面积相等。As shown in FIG. 1, the existing conventional mode liquid crystal display device includes a backlight module 10 and a liquid crystal display panel 20. The liquid crystal display panel 20 includes a display area 201 'and a non-display area 202', wherein the backlight module 10 includes a plastic frame 11, The diffusion plate 12 and the optical film group 13 in which the plastic frame 11 is provided with a groove 111, and a light source is provided in the groove 111, the light emitting area 101 and the display area 201 'of the backlight module 10 have the same area.
技术问题technical problem
如图2所示，窄边框液晶显示面板的非显示区域202的面积缩小，此时显示区域201的面积大于发光区101的面积，从而使得显示区域201的边缘出现暗区203，也即此区域的亮度较低，从而降低了显示效果。As shown in FIG. 2, the area of the non-display area 202 of the narrow-frame liquid crystal display panel is reduced. At this time, the area of the display area 201 is larger than the area of the light-emitting area 101, so that a dark area 203 appears on the edge of the display area 201, that is, this area The brightness is lower, which reduces the display effect.
技术解决方案Technical solution
本发明的目的在于提供一种液晶显示装置，能够避免显示区域的边缘出现暗区，提高了显示效果。An object of the present invention is to provide a liquid crystal display device, which can avoid dark areas at the edges of the display area and improve the display effect.
为解决上述技术问题，本发明提供一种液晶显示装置，其包括：To solve the above technical problems, the present invention provides a liquid crystal display device, which includes:
液晶显示面板，包括显示区域和非显示区域；LCD panel, including display area and non-display area;
背光模块，包括：胶框和设置在所述胶框上的扩散板；所述胶框包括第一部分、分别位于所述第一部分的两侧的第二部分以及第三部分；所述第一部分设置有第一凹槽，所述第一凹槽的底部设置有光源；所述第二部分和所述第三部分均设置有第二凹槽，以使所述第二部分和所述第三部分均与所述扩散板间隔设置；且所述第二部分与所述扩散板之间以及第三部分与所述扩散板之间均设置有至少一支撑件，其中所述第一部分、第二部分以及第三部分共同形成发光区，所述发光区的位置与所述显示区域的位置对应，所述第二凹槽的深度小于所述第一凹槽的深度，所述支撑件的表面设置有反光层。The backlight module includes: a plastic frame and a diffusion plate provided on the plastic frame; the plastic frame includes a first part, second parts and third parts respectively located on both sides of the first part; the first part is provided There is a first groove, the bottom of the first groove is provided with a light source; both the second part and the third part are provided with a second groove, so that the second part and the third part Both are spaced apart from the diffusion plate; and at least one support is provided between the second portion and the diffusion plate and between the third portion and the diffusion plate, wherein the first portion and the second portion And the third part together form a light-emitting area, the position of the light-emitting area corresponds to the position of the display area, the depth of the second groove is less than the depth of the first groove, the surface of the support is provided with Reflective layer.
在本发明的液晶显示装置中，所述第二凹槽的深度位于预设深度范围内。In the liquid crystal display device of the present invention, the depth of the second groove is within a preset depth range.
在本发明的液晶显示装置中，所述支撑件的面积位于预设面积范围内。In the liquid crystal display device of the present invention, the area of the support member is within a preset area range.
在本发明的液晶显示装置中，所述支撑件包括底部和顶部，所述底部靠近所述胶框，所述顶部靠近所述扩散板，所述底部的宽度大于所述顶部的宽度。In the liquid crystal display device of the present invention, the support includes a bottom and a top, the bottom is close to the plastic frame, the top is close to the diffusion plate, and the width of the bottom is greater than the width of the top.
在本发明的液晶显示装置中，所述底部的截面形状包括长方形和梯形中的至少一种，所述顶部的截面形状包括梯形和半圆形中的至少一种。In the liquid crystal display device of the present invention, the cross-sectional shape of the bottom portion includes at least one of a rectangular shape and a trapezoidal shape, and the cross-sectional shape of the top portion includes at least one of a trapezoidal shape and a semicircular shape.
在本发明的液晶显示装置中，所述支撑件的材料为透明材料。In the liquid crystal display device of the present invention, the material of the support is a transparent material.
在本发明的液晶显示装置中，所述扩散板的面积与所述发光区的面积相等。In the liquid crystal display device of the present invention, the area of the diffusion plate is equal to the area of the light-emitting area.
在本发明的液晶显示装置中，所述胶框还包括第四部分，所述第四部分位于所述第二部分以及所述第三部分的外侧。In the liquid crystal display device of the present invention, the plastic frame further includes a fourth part, and the fourth part is located outside the second part and the third part.
在本发明的液晶显示装置中，所述第四部分与所述非显示区域的位置对应。In the liquid crystal display device of the present invention, the fourth portion corresponds to the position of the non-display area.
在本发明的液晶显示装置中，所述扩散板覆盖所述发光区。In the liquid crystal display device of the present invention, the diffusion plate covers the light-emitting area.
本发明提供一种液晶显示装置，其包括：The invention provides a liquid crystal display device, which comprises:
液晶显示面板，包括显示区域和非显示区域；LCD panel, including display area and non-display area;
背光模块，包括：胶框和设置在所述胶框上的扩散板；所述胶框包括第一部分、分别位于所述第一部分的两侧的第二部分以及第三部分；所述第一部分设置有第一凹槽，所述第一凹槽的底部设置有光源；所述第二部分和所述第三部分均设置有第二凹槽，以使所述第二部分和所述第三部分均与所述扩散板间隔设置；且所述第二部分与所述扩散板之间以及第三部分与所述扩散板之间均设置有至少一支撑件，其中所述第一部分、第二部分以及第三部分共同形成发光区，所述发光区的位置与所述显示区域的位置对应。The backlight module includes: a plastic frame and a diffusion plate provided on the plastic frame; the plastic frame includes a first part, second parts and third parts respectively located on both sides of the first part; the first part is provided There is a first groove, the bottom of the first groove is provided with a light source; both the second part and the third part are provided with a second groove, so that the second part and the third part Both are spaced apart from the diffusion plate; and at least one support is provided between the second portion and the diffusion plate and between the third portion and the diffusion plate, wherein the first portion and the second portion And the third part jointly forms a light emitting area, and the position of the light emitting area corresponds to the position of the display area.
在本发明的液晶显示装置中，所述第二凹槽的深度小于所述第一凹槽的深度。In the liquid crystal display device of the present invention, the depth of the second groove is smaller than the depth of the first groove.
在本发明的液晶显示装置中，所述第二凹槽的深度位于预设深度范围内。In the liquid crystal display device of the present invention, the depth of the second groove is within a preset depth range.
在本发明的液晶显示装置中，所述支撑件的表面设置有反光层。In the liquid crystal display device of the present invention, a reflective layer is provided on the surface of the support.
在本发明的液晶显示装置中，所述支撑件的面积位于预设面积范围内。In the liquid crystal display device of the present invention, the area of the support member is within a preset area range.
在本发明的液晶显示装置中，所述支撑件包括底部和顶部，所述底部靠近所述胶框，所述顶部靠近所述扩散板，所述底部的宽度大于所述顶部的宽度。In the liquid crystal display device of the present invention, the support includes a bottom and a top, the bottom is close to the plastic frame, the top is close to the diffusion plate, and the width of the bottom is greater than the width of the top.
在本发明的液晶显示装置中，所述底部的截面形状包括长方形和梯形中的至少一种，所述顶部的截面形状包括梯形和半圆形中的至少一种。In the liquid crystal display device of the present invention, the cross-sectional shape of the bottom portion includes at least one of a rectangular shape and a trapezoidal shape, and the cross-sectional shape of the top portion includes at least one of a trapezoidal shape and a semicircular shape.
在本发明的液晶显示装置中，所述支撑件的材料为透明材料。In the liquid crystal display device of the present invention, the material of the support is a transparent material.
在本发明的液晶显示装置中，所述扩散板的面积与所述发光区的面积相等。In the liquid crystal display device of the present invention, the area of the diffusion plate is equal to the area of the light-emitting area.
在本发明的液晶显示装置中，所述胶框还包括第四部分，所述第四部分位于所述第二部分以及所述第三部分的外侧。In the liquid crystal display device of the present invention, the plastic frame further includes a fourth part, and the fourth part is located outside the second part and the third part.
有益效果Beneficial effect
本发明的液晶显示装置，通过在胶框的第二部分和第三部分增加凹槽，从而使得更多的光线进入扩散板，也即增大背光模块的发光区的面积，避免显示区域的边缘出现暗区，提高了显示效果。In the liquid crystal display device of the present invention, by adding grooves in the second and third parts of the plastic frame, more light enters the diffusion plate, that is, the area of the light emitting area of the backlight module is increased, and the edge of the display area is avoided Dark areas appear, improving the display effect.
附图说明BRIEF DESCRIPTION
图1为现有第一种液晶显示装置的结构示意图；FIG. 1 is a schematic diagram of the structure of the first liquid crystal display device;
图2为现有第二种液晶显示装置的结构示意图；2 is a schematic structural diagram of a second type of existing liquid crystal display device;
图3为本发明液晶显示装置的结构示意图；3 is a schematic structural diagram of a liquid crystal display device of the present invention;
图4为图3中沿AA’方向的第一种剖视图；4 is a first cross-sectional view along AA 'direction in FIG. 3;
图5为图3中沿AA’方向的第二种剖视图；5 is a second cross-sectional view along AA 'direction in FIG. 3;
图6为图3中沿AA’方向的第三种剖视图。Fig. 6 is a third cross-sectional view along the AA 'direction in Fig. 3.
本发明的实施方式Embodiments of the invention
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是以相同标号表示。The following descriptions of the embodiments refer to the attached drawings to illustrate specific embodiments of the present invention that can be implemented. Directional terms mentioned in the present invention, such as "up", "down", "front", "rear", "left", "right", "inner", "outer", "side", etc., are for reference only Attach the direction of the schema. Therefore, the directional terminology is used to illustrate and understand the present invention, not to limit the present invention. In the figure, units with similar structures are indicated by the same reference numerals.
请参照图3至6，图3为本发明液晶显示装置的结构示意图。Please refer to FIGS. 3 to 6. FIG. 3 is a schematic structural diagram of a liquid crystal display device of the present invention.
如图3所示，本发明的液晶显示装置包括背光模块10和液晶显示面板20；其中液晶显示面板20包括显示区域201和非显示区域202。As shown in FIG. 3, the liquid crystal display device of the present invention includes a backlight module 10 and a liquid crystal display panel 20; wherein the liquid crystal display panel 20 includes a display area 201 and a non-display area 202.
背光模块10包括胶框16和设置在所述胶框16上的扩散板12；所述背光模块10还可包括光学膜片组13，光学膜片组13位于所述扩散板12上。The backlight module 10 includes a plastic frame 16 and a diffusion plate 12 disposed on the plastic frame 16; the backlight module 10 may further include an optical film group 13 that is located on the diffusion plate 12.
所述胶框16包括第一部分161、分别位于所述第一部分161的两侧的第二部分162以及第三部分163；第二部分162位于第一部分161的左侧，第三部分163位于第一部分161的右侧，其中所述第一部分161、第二部分162以及第三部分163共同形成发光区102，所述发光区102的位置与所述显示区域201的位置对应。在一实施方式中，发光区102的面积大于等于显示区域201的面积。优选地，发光区102的面积等于显示区域201的面积。The plastic frame 16 includes a first portion 161, a second portion 162 located on both sides of the first portion 161, and a third portion 163; the second portion 162 is located on the left side of the first portion 161, and the third portion 163 is located on the first portion On the right side of 161, the first portion 161, the second portion 162, and the third portion 163 together form a light emitting area 102, and the position of the light emitting area 102 corresponds to the position of the display area 201. In one embodiment, the area of the light-emitting area 102 is greater than or equal to the area of the display area 201. Preferably, the area of the light emitting area 102 is equal to the area of the display area 201.
所述第一部分161设置有第一凹槽17，其中所述第一凹槽17的截面形状为梯形，所述第一凹槽17的底部设置有光源14；该光源为直下式光源。The first part 161 is provided with a first groove 17, wherein the cross-sectional shape of the first groove 17 is trapezoidal, and a light source 14 is provided at the bottom of the first groove 17; the light source is a direct light source.
所述第二部分162和所述第三部分163均设置有第二凹槽18，具体地第二凹槽18设置在第二部分162和所述第三部分163的顶部，以使所述第二部分162和所述第三部分163均与所述扩散板12间隔设置。比如，所述第二部分162与所述扩散板12之间的间距等于所述第三部分163与所述扩散板12之间的间距。其中所述第二凹槽18的截面形状为长方形。其中为更好地避免显示区域的边缘出现暗区，所述第二凹槽18的深度小于所述第一凹槽17的深度。为进一步防止显示区域的边缘出现暗区，以及提高显示区域的亮度的均匀性，所述第二凹槽18的深度位于预设深度范围内。The second part 162 and the third part 163 are both provided with a second groove 18, specifically the second groove 18 is provided on top of the second part 162 and the third part 163, so that the first Both the second part 162 and the third part 163 are spaced apart from the diffusion plate 12. For example, the distance between the second portion 162 and the diffusion plate 12 is equal to the distance between the third portion 163 and the diffusion plate 12. The cross-sectional shape of the second groove 18 is rectangular. In order to better avoid dark areas on the edges of the display area, the depth of the second groove 18 is smaller than the depth of the first groove 17. In order to further prevent dark areas from appearing on the edges of the display area and improve the uniformity of the brightness of the display area, the depth of the second groove 18 is within a preset depth range.
所述第二部分162与所述扩散板12之间以及第三部分163与所述扩散板12之间均设置有至少一支撑件19。所述支撑件19用于支撑扩散板12。在一实施方式中，为了使更多的光线能够照射到显示区域的边缘，所述支撑件19的材料为透明材料。在一实施方式中，所述支撑件19的材料可以与扩散板12的材料相同。At least one support 19 is provided between the second portion 162 and the diffusion plate 12 and between the third portion 163 and the diffusion plate 12. The support 19 is used to support the diffusion plate 12. In an embodiment, in order to allow more light to illuminate the edge of the display area, the material of the support 19 is a transparent material. In an embodiment, the material of the support 19 may be the same as the material of the diffusion plate 12.
如图4至6所示，所述支撑件19的截面形状可以为长方形，梯形等等。所述支撑件19的截面形状优选为梯形等形状。如图5或6所示，所述支撑件19包括顶部191和底部192，所述底部192靠近所述胶框16，所述顶部191靠近所述扩散板12，所述底部192的宽度大于所述顶部191的宽度。此时所述底部192的截面形状包括长方形和梯形中的至少一种，所述顶部191的截面形状包括梯形和半圆形中的至少一种。可以理解的，所述支撑件19的截面形状可以为其他形状。所述支撑件19的数量不限。As shown in FIGS. 4 to 6, the cross-sectional shape of the support member 19 may be rectangular, trapezoidal, or the like. The cross-sectional shape of the support 19 is preferably a trapezoidal shape or the like. As shown in FIG. 5 or 6, the support 19 includes a top 191 and a bottom 192, the bottom 192 is close to the plastic frame 16, the top 191 is close to the diffusion plate 12, and the width of the bottom 192 is greater than Describe the width of the top 191. At this time, the cross-sectional shape of the bottom 192 includes at least one of a rectangle and a trapezoid, and the cross-sectional shape of the top 191 includes at least one of a trapezoid and a semicircle. It can be understood that the cross-sectional shape of the support 19 may be other shapes. The number of the supporting members 19 is not limited.
在一实施方式中，为了使更多的光线进入扩散板，所述支撑件19的面积位于预设面积范围内。为了使更多的光线能够照射到显示区域的边缘，上述任意一种支撑件19的表面设置有反光层。In an embodiment, in order to allow more light to enter the diffusion plate, the area of the support 19 is within a predetermined area. In order to allow more light to illuminate the edge of the display area, a reflective layer is provided on the surface of any one of the supports 19.
返回图3，所述胶框16还包括第四部分164，所述第四部分164包覆所述扩散板12的端部。也即所述第四部分位于第二部分162和第三部分163的外侧，其中，所述第四部分164与所述非显示区域202的位置对应。在一实施方式中，所述第四部分164的投影面积与非显示区域202的面积相等。Returning to FIG. 3, the plastic frame 16 further includes a fourth portion 164 that covers the end of the diffusion plate 12. That is, the fourth portion is located outside the second portion 162 and the third portion 163, wherein the fourth portion 164 corresponds to the position of the non-display area 202. In one embodiment, the projected area of the fourth portion 164 is equal to the area of the non-display area 202.
在一实施方式中，所述扩散板12的面积与所述发光区102的面积相等。也即所述扩散板12覆盖所述发光区102。In one embodiment, the area of the diffusion plate 12 is equal to the area of the light-emitting area 102. That is, the diffusion plate 12 covers the light-emitting area 102.
由于在框胶的边缘增加凹槽，从而使更多的光线进入扩散板，进而能够照射到显示区域的边缘，避免出现暗区，提高了显示面板的亮度均匀性，进而提高了显示效果。Since a groove is added at the edge of the frame glue, more light enters the diffusion plate, and then it can be irradiated to the edge of the display area, avoiding the appearance of dark areas, improving the brightness uniformity of the display panel, thereby improving the display effect.
本发明的液晶显示装置，通过在胶框的第二部分和第三部分增加凹槽，从而使得更多的光线进入扩散板，也即增大背光模块的发光区的面积，避免显示区域的边缘出现暗区，提高了显示效果。In the liquid crystal display device of the present invention, by adding grooves in the second and third parts of the plastic frame, more light enters the diffusion plate, that is, the area of the light emitting area of the backlight module is increased, and the edge of the display area is avoided Dark areas appear, improving the display effect.
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。In summary, although the present invention has been disclosed as above with preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention. Those of ordinary skill in the art can do various things without departing from the spirit and scope of the present invention. Kind of changes and retouching, so the protection scope of the present invention is subject to the scope defined by the claims.

Claims (20)

  1. 一种液晶显示装置，其包括：A liquid crystal display device, including:
    液晶显示面板，包括显示区域和非显示区域；LCD panel, including display area and non-display area;
    背光模块，包括：胶框和设置在所述胶框上的扩散板；所述胶框包括第一部分、分别位于所述第一部分的两侧的第二部分以及第三部分；所述第一部分设置有第一凹槽，所述第一凹槽的底部设置有光源；所述第二部分和所述第三部分均设置有第二凹槽，以使所述第二部分和所述第三部分均与所述扩散板间隔设置；且所述第二部分与所述扩散板之间以及第三部分与所述扩散板之间均设置有至少一支撑件，其中所述第一部分、第二部分以及第三部分共同形成发光区，所述发光区的位置与所述显示区域的位置对应，所述第二凹槽的深度小于所述第一凹槽的深度，所述支撑件的表面设置有反光层。The backlight module includes: a plastic frame and a diffusion plate provided on the plastic frame; the plastic frame includes a first part, second parts and third parts respectively located on both sides of the first part; the first part is provided There is a first groove, the bottom of the first groove is provided with a light source; both the second part and the third part are provided with a second groove, so that the second part and the third part Both are spaced apart from the diffusion plate; and at least one support is provided between the second portion and the diffusion plate and between the third portion and the diffusion plate, wherein the first portion and the second portion And the third part together form a light-emitting area, the position of the light-emitting area corresponds to the position of the display area, the depth of the second groove is less than the depth of the first groove, the surface of the support is provided with Reflective layer.
  2. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述第二凹槽的深度位于预设深度范围内。The depth of the second groove is within a preset depth range.
  3. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述支撑件的面积位于预设面积范围内。The area of the support member is within a preset area.
  4. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述支撑件包括底部和顶部，所述底部靠近所述胶框，所述顶部靠近所述扩散板，所述底部的宽度大于所述顶部的宽度。The support includes a bottom and a top, the bottom is close to the plastic frame, the top is close to the diffusion plate, and the width of the bottom is greater than the width of the top.
  5. 根据权利要求4所述的液晶显示装置，其中The liquid crystal display device according to claim 4, wherein
    所述底部的截面形状包括长方形和梯形中的至少一种，所述顶部的截面形状包括梯形和半圆形中的至少一种。The cross-sectional shape of the bottom includes at least one of a rectangle and a trapezoid, and the cross-sectional shape of the top includes at least one of a trapezoid and a semicircle.
  6. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述支撑件的材料为透明材料。The material of the support is a transparent material.
  7. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述扩散板的面积与所述发光区的面积相等。The area of the diffusion plate is equal to the area of the light-emitting area.
  8. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述胶框还包括第四部分，所述第四部分位于所述第二部分以及所述第三部分的外侧。The plastic frame further includes a fourth part, which is located outside the second part and the third part.
  9. 根据权利要求8所述的液晶显示装置，其中The liquid crystal display device according to claim 8, wherein
    所述第四部分与所述非显示区域的位置对应。The fourth portion corresponds to the position of the non-display area.
  10. 根据权利要求1所述的液晶显示装置，其中The liquid crystal display device according to claim 1, wherein
    所述扩散板覆盖所述发光区。The diffusion plate covers the light-emitting area.
  11. 一种液晶显示装置，其包括：A liquid crystal display device, including:
    液晶显示面板，包括显示区域和非显示区域；LCD panel, including display area and non-display area;
    背光模块，包括：胶框和设置在所述胶框上的扩散板；所述胶框包括第一部分、分别位于所述第一部分的两侧的第二部分以及第三部分；所述第一部分设置有第一凹槽，所述第一凹槽的底部设置有光源；所述第二部分和所述第三部分均设置有第二凹槽，以使所述第二部分和所述第三部分均与所述扩散板间隔设置；且所述第二部分与所述扩散板之间以及第三部分与所述扩散板之间均设置有至少一支撑件，其中所述第一部分、第二部分以及第三部分共同形成发光区，所述发光区的位置与所述显示区域的位置对应。The backlight module includes: a plastic frame and a diffusion plate provided on the plastic frame; the plastic frame includes a first part, second parts and third parts respectively located on both sides of the first part; the first part is provided There is a first groove, the bottom of the first groove is provided with a light source; both the second part and the third part are provided with a second groove, so that the second part and the third part Both are spaced apart from the diffusion plate; and at least one support is provided between the second portion and the diffusion plate and between the third portion and the diffusion plate, wherein the first portion and the second portion And the third part jointly forms a light emitting area, and the position of the light emitting area corresponds to the position of the display area.
  12. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述第二凹槽的深度小于所述第一凹槽的深度。The depth of the second groove is smaller than the depth of the first groove.
  13. 根据权利要求12所述的液晶显示装置，其中所述第二凹槽的深度位于预设深度范围内。The liquid crystal display device according to claim 12, wherein the depth of the second groove is within a preset depth range.
  14. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述支撑件的表面设置有反光层。A reflective layer is provided on the surface of the support.
  15. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述支撑件的面积位于预设面积范围内。The area of the support member is within a preset area.
  16. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述支撑件包括底部和顶部，所述底部靠近所述胶框，所述顶部靠近所述扩散板，所述底部的宽度大于所述顶部的宽度。The support includes a bottom and a top, the bottom is close to the plastic frame, the top is close to the diffusion plate, and the width of the bottom is greater than the width of the top.
  17. 根据权利要求16所述的液晶显示装置，其中The liquid crystal display device according to claim 16, wherein
    所述底部的截面形状包括长方形和梯形中的至少一种，所述顶部的截面形状包括梯形和半圆形中的至少一种。The cross-sectional shape of the bottom includes at least one of a rectangle and a trapezoid, and the cross-sectional shape of the top includes at least one of a trapezoid and a semicircle.
  18. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述支撑件的材料为透明材料。The material of the support is a transparent material.
  19. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述扩散板的面积与所述发光区的面积相等。The area of the diffusion plate is equal to the area of the light-emitting area.
  20. 根据权利要求11所述的液晶显示装置，其中The liquid crystal display device according to claim 11, wherein
    所述胶框还包括第四部分，所述第四部分位于所述第二部分以及所述第三部分的外侧。The plastic frame further includes a fourth part, which is located outside the second part and the third part.
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