WO2020062500A1 - 背光模组及显示装置 - Google Patents

背光模组及显示装置 Download PDF

Info

Publication number
WO2020062500A1
WO2020062500A1 PCT/CN2018/116320 CN2018116320W WO2020062500A1 WO 2020062500 A1 WO2020062500 A1 WO 2020062500A1 CN 2018116320 W CN2018116320 W CN 2018116320W WO 2020062500 A1 WO2020062500 A1 WO 2020062500A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
guide plate
light guide
optical film
disposed
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/116320
Other languages
English (en)
French (fr)
Inventor
周革革
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Technology Co Ltd
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
Application filed by Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to US16/323,511 priority Critical patent/US11199743B2/en
Publication of WO2020062500A1 publication Critical patent/WO2020062500A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • 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
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • 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
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • 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
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements

Definitions

  • the present disclosure relates to the field of display technology, and in particular, to a backlight module and a display device.
  • liquid crystal display devices have been widely used as display components of electronic devices in various electronic products. Consumers have increasingly higher requirements for the use environment of electronic devices, and backlight modules are an important part of liquid crystal display devices. Its optical performance requirements are getting higher and higher. Existing backlight modules are prone to light leakage on the opposite side of the light source, and the light is emitted from the light guide plate body, reflected to the frame body and refracted to the visible area through the optical film, that is, light leakage occurs.
  • the backlight module includes a light guide plate, a frame, a light source component, a reflection sheet, an optical film, and a light shielding sheet.
  • the light guide plate includes an upper surface, a lower surface, and a side surface connecting the upper surface and the lower surface.
  • the frame is disposed around the light guide plate.
  • the light source assembly is disposed on the side of the light guide plate and is fixed on the light guide plate and the frame.
  • the reflection sheet is disposed on the lower surface of the light guide plate.
  • the optical film is disposed on the upper surface of the light guide plate.
  • the light shielding sheet is disposed on a surface of the optical film far from the light source assembly.
  • the light shielding sheet protrudes from an edge of the optical film.
  • the light shielding sheet protrudes from an edge of the light guide plate.
  • the thickness of the light shielding sheet is less than or equal to 0.01 mm.
  • the light-shielding sheet is made of a flexible member.
  • the optical film includes an upper surface and a lower surface opposite to the upper surface, and the lower surface of the optical film is in contact with the upper surface of the light guide plate.
  • the light-shielding sheet is disposed on the lower surface of the optical film, on the upper surface of the light guide plate, and between the optical film and the light guide plate.
  • the light shielding film is disposed on the upper surface of the optical film.
  • the backlight module further includes a light-shielding adhesive and a conductive double-sided adhesive, and the light-shielding adhesive is disposed on the optical film and the frame so that the optical film passes through.
  • the light-shielding adhesive is fixed on the frame, and the conductive double-sided adhesive is disposed between the reflective sheet and the frame, so that the reflective sheet is fixed on the frame through the double-sided adhesive.
  • the light source assembly includes a light source flexible circuit board and a light source disposed on the light source flexible circuit board.
  • the backlight module further includes double-sided adhesive, and the double-sided adhesive
  • the light source flexible circuit board is arranged between the light source flexible circuit board, the frame body and the light guide plate, so that the light source flexible circuit board is fixed on the frame body and the light guide plate through the double-sided adhesive.
  • the present disclosure also provides a backlight module including a light guide plate, a frame, a light source component, a reflection sheet, an optical film, and a light shielding sheet.
  • the light guide plate includes an upper surface, a lower surface, and a side surface connecting the upper surface and the lower surface.
  • the frame is disposed around the light guide plate.
  • the light source assembly is disposed on the side of the light guide plate and is fixed on the light guide plate and the frame.
  • the reflection sheet is disposed on the lower surface of the light guide plate.
  • the optical film is disposed on the upper surface of the light guide plate.
  • the light shielding sheet is disposed on a surface of the optical film far from the light source assembly.
  • the optical film includes an upper surface and a lower surface opposite to the upper surface, and the lower surface of the optical film is in contact with the upper surface of the light guide plate.
  • the light-shielding sheet is disposed on the lower surface of the optical film, on the upper surface of the light guide plate, and between the optical film and the light guide plate.
  • the light shielding film is disposed on the upper surface of the optical film.
  • the light shielding sheet protrudes from an edge of the optical film.
  • the light shielding sheet protrudes from an edge of the light guide plate.
  • the thickness of the light shielding sheet is less than or equal to 0.01 mm.
  • the light shielding sheet is made of a flexible member.
  • the backlight module further includes a light-shielding adhesive and a conductive double-sided adhesive, and the light-shielding adhesive is disposed on the optical film and the frame so that the optical film passes through.
  • the light-shielding adhesive is fixed on the frame, and the conductive double-sided adhesive is disposed between the reflective sheet and the frame, so that the reflective sheet is fixed on the frame through the double-sided adhesive.
  • the light source assembly includes a light source flexible circuit board and a light source disposed on the light source flexible circuit board.
  • the backlight module further includes double-sided adhesive, and the double-sided adhesive
  • the light source flexible circuit board is arranged between the light source flexible circuit board, the frame body and the light guide plate, so that the light source flexible circuit board is fixed on the frame body and the light guide plate through the double-sided adhesive.
  • the present disclosure also provides a display device including a display panel and the aforementioned backlight module.
  • the backlight module is disposed below the display panel.
  • the backlight module and the display device in the embodiments of the present disclosure have a light shielding sheet disposed on a surface of the optical film far from the light source component, which can improve the backlight through the light shielding sheet.
  • the light leakage of the module improves the optical performance of the backlight module.
  • FIG. 1 is a schematic structural diagram of a backlight module according to an embodiment of the disclosure.
  • FIG. 2 is a schematic structural diagram of a backlight module according to another embodiment of the present disclosure.
  • FIG. 3 is a schematic structural diagram of a display device according to an embodiment of the disclosure.
  • a backlight module 10 includes a light guide plate 100, a frame 200, a light source assembly 300, a reflection sheet 400, an optical film 500, and a light shielding sheet 600.
  • the backlight module 10 is applied to, for example, a small-sized liquid crystal backlight module.
  • the light guide plate 100 includes an upper surface 110, a lower surface 120, and a side surface 130 connecting the upper surface 110 and the lower surface 120.
  • the frame body 200 is disposed around the light guide plate 100.
  • the light source assembly 300 is disposed on the side surface 130 of the light guide plate 100 and is fixed on the light guide plate 100 and the frame 200.
  • the reflection sheet 400 is disposed on the lower surface 120 of the light guide plate 100.
  • the optical film 500 is disposed on the upper surface 110 of the light guide plate 100.
  • the light shielding sheet 600 is disposed on a surface of the optical film 500 far from the light source module 300.
  • the backlight module 10 in the embodiment of the present disclosure can improve the light leakage phenomenon of the backlight module 10 and improve the optical performance of the backlight module 10 through the light shielding sheet 600.
  • the optical film 500 includes an upper surface 510 and a lower surface 520 opposite to the upper surface 510, and the lower surface 520 of the optical film 500 and the light guide plate 100
  • the upper surface 110 is in contact, and the light shielding sheet 600 is disposed on the lower surface 520 of the optical film 500, the upper surface 110 of the light guide plate 100, and the optical film 500 and the guide.
  • Light plate 100 is disposed on the lower surface 520 of the optical film 500, the upper surface 110 of the light guide plate 100, and the optical film 500 and the guide.
  • the light shielding sheet 600 is disposed on the upper surface 510 of the optical film 500.
  • the light shielding sheet 600 protrudes from the edge of the optical film 500 to achieve good light shielding performance on the opposite side of the light source assembly 300, that is, to achieve distance from the light source assembly Good light shielding performance at 300 position.
  • the light shielding sheet 600 protrudes from the edge of the light guide plate 100 to achieve good light shielding performance on the opposite side of the light source module 300, that is, to achieve good light shielding performance away from the light source module 300.
  • the thickness of the light shielding sheet 600 is less than or equal to 0.01 mm.
  • the light shielding sheet 600 is made of a flexible member to avoid wrinkles that would affect the optical film 500 in an extreme environment.
  • the backlight module 100 further includes a light-shielding adhesive 700 and a conductive double-sided adhesive 800.
  • the light-shielding adhesive 700 is disposed on the optical film 500 and the frame 200 so that The optical film 500 is fixed on the frame 200 through the light-shielding adhesive 700, and the conductive double-sided adhesive 800 is disposed between the reflection sheet 400 and the frame 200 so that the reflection sheet 400 passes through
  • the double-sided adhesive 800 is fixed on the frame 200.
  • the light-shielding glue 700 is used for positioning the optical film 500 and light-shielding.
  • the light source assembly 300 includes a light source flexible circuit board 310 and a light source 320 disposed on the light source flexible circuit board 310.
  • the backlight module 10 further includes a double-sided adhesive 900.
  • the double-sided adhesive 900 is disposed between the light source flexible circuit board 310, the frame 200, and the light guide plate 100, so that the light source flexible circuit board 310 is fixed on the double-sided adhesive 900.
  • the frame body 200 and the light guide plate 100 are mounted on the frame body 200.
  • a display device 30 includes a display panel 20 and the aforementioned backlight module 10.
  • the backlight module 10 is disposed below the display panel 20.
  • the light shielding sheet is disposed on the surface of the optical film far from the light source component, and the light leakage phenomenon of the backlight module can be improved by the light shielding sheet and improved. Optical performance of the backlight module.

Landscapes

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

Abstract

一种背光模组(10)及显示装置(30)。背光模组(10)包括导光板(100)、框体(200)、光源组件(300)、反射片(400)、光学膜片(500)和遮光片(600)。框体(200)设置于导光板(100)的周围。光源组件(300)设置于导光板(100)的侧面且固定于导光板(100)和框体(200)上。反射片(400)设置于导光板(100)的下表面上。光学膜片(500)设置于导光板(100)的上表面上。遮光片(600)设置于远离光源组件(300)的光学膜片(500)的表面上。

Description

背光模组及显示装置 技术领域
本揭示涉及一种显示技术领域，特别涉及一种背光模组及显示装置。
 背景技术
目前，液晶显示装置作为电子设备的显示部件已经广泛的应用于各种电子产品中，消费者对电子设备的使用环境要求越来越高，而背光模组是液晶显示装置中的一个重要部件，其光学性能的要求越来越高。现有的背光模组容易在光源对侧发生漏光，光线从导光板本体发射出来，反射到框体通过光学膜片折射到可视区，即发生漏光。
故，有需要提供一种背光模组及显示装置，以解决现有技术存在的问题。
 技术问题
现有的背光模组容易在光源对侧发生漏光，光线从导光板本体发射出来，反射到框体通过光学膜片折射到可视区，即发生漏光。
 技术解决方案
为解决上述技术问题，本揭示提供一背光模组。背光模组包括导光板、框体、光源组件、反射片、光学膜片和遮光片。所述导光板包括上表面、下表面与连接所述上表面及所述下表面的侧面。所述框体设置于所述导光板的周围。所述光源组件设置于所述导光板的所述侧面且固定于所述导光板和所述框体上。所述反射片设置于所述导光板的所述下表面上。所述光学膜片设置于所述导光板的所述上表面上。所述遮光片设置于远离所述光源组件的所述光学膜片的表面上。所述遮光片突出于所述光学膜片的边缘。所述遮光片突出于所述导光板的边缘。所述遮光片的厚度小于或等于0.01mm。所述遮光片是由具有柔软性的构件所构成。
于本揭示其中的一实施例中，所述光学膜片包括上表面和相对于所述上表面的下表面，所述光学膜片的所述下表面与所述导光板的所述上表面接触，所述遮光片设置于所述光学膜片的所述下表面上、所述导光板的所述上表面上和所述光学膜片与所述导光板之间。
于本揭示其中的一实施例中，所述遮光片设置于所述光学膜片的所述上表面上。
于本揭示其中的一实施例中，所述背光模组还包括遮光胶和导电双面胶，所述遮光胶设置在所述光学膜片和所述框体上，使得所述光学膜片通过所述遮光胶固定在框体上，所述导电双面胶设置于所述反射片和所述框体之间，使得所述反射片通过所述双面胶固定在所述框体上。
于本揭示其中的一实施例中，所述光源组件包括灯源柔性电路板及设置在所述灯源柔性电路板上的光源，所述背光模组还包括双面胶，所述双面胶设置于所述灯源柔性电路板、所述框体和所述导光板之间，使得所述灯源柔性电路板通过所述双面胶固定在所述框体和所述导光板上。
本揭示还提供一背光模组包括导光板、框体、光源组件、反射片、光学膜片和遮光片。所述导光板包括上表面、下表面与连接所述上表面及所述下表面的侧面。所述框体设置于所述导光板的周围。所述光源组件设置于所述导光板的所述侧面且固定于所述导光板和所述框体上。所述反射片设置于所述导光板的所述下表面上。所述光学膜片设置于所述导光板的所述上表面上。所述遮光片设置于远离所述光源组件的所述光学膜片的表面上。
于本揭示其中的一实施例中，所述光学膜片包括上表面和相对于所述上表面的下表面，所述光学膜片的所述下表面与所述导光板的所述上表面接触，所述遮光片设置于所述光学膜片的所述下表面上、所述导光板的所述上表面上和所述光学膜片与所述导光板之间。
于本揭示其中的一实施例中，所述遮光片设置于所述光学膜片的所述上表面上。
于本揭示其中的一实施例中，所述遮光片突出于所述光学膜片的边缘。
于本揭示其中的一实施例中，所述遮光片突出于所述导光板的边缘。
于本揭示其中的一实施例中，所述遮光片的厚度小于或等于0.01mm。
于本揭示其中的一实施例中，所述遮光片是由具有柔软性的构件所构成。
于本揭示其中的一实施例中，所述背光模组还包括遮光胶和导电双面胶，所述遮光胶设置在所述光学膜片和所述框体上，使得所述光学膜片通过所述遮光胶固定在框体上，所述导电双面胶设置于所述反射片和所述框体之间，使得所述反射片通过所述双面胶固定在所述框体上。
于本揭示其中的一实施例中，所述光源组件包括灯源柔性电路板及设置在所述灯源柔性电路板上的光源，所述背光模组还包括双面胶，所述双面胶设置于所述灯源柔性电路板、所述框体和所述导光板之间，使得所述灯源柔性电路板通过所述双面胶固定在所述框体和所述导光板上。
本揭示还提供一显示装置包括显示面板以及上述的背光模组。所述背光模组设置于所述显示面板的下方。
 有益效果
相较于现有技术，为解决上述技术问题，本揭示的实施例中的背光模组及显示装置，其遮光片设置于远离光源组件的光学膜片的表面上，其能通过遮光片改善背光模组的漏光现象，提升背光模组的光学性能。
 附图说明
图1显示根据本揭示的一实施例的背光模组的结构示意图；
图2显示根据本揭示的另一实施例的背光模组的结构示意图；以及
图3显示根据本揭示的一实施例的显示装置的结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本揭示可用以实施的特定实施例。
为了让本揭示的上述及其他目的、特征、优点能更明显易懂，下文将特举本揭示优选实施例，并配合所附图式，作详细说明如下。再者，本揭示所提到的方向用语，例如上、下、顶、底、前、后、左、右、内、外、侧层、周围、中央、水平、横向、垂直、纵向、轴向、径向、最上层或最下层等，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揭示，而非用以限制本揭示。
在图中，结构相似的单元是以相同标号表示。
参照图1和图2，本揭示的实施例的背光模组10包括导光板100、框体200、光源组件300、反射片400、光学膜片500和遮光片600。背光模组10例如应用于小尺寸的液晶背光模组。导光板100包括上表面110、下表面120与连接所述上表面110及所述下表面120的侧面130。所述框体200设置于所述导光板100的周围。所述光源组件300设置于所述导光板100的所述侧面130且固定于所述导光板100和所述框体200上。所述反射片400设置于所述导光板100的所述下表面120上。所述光学膜片500设置于所述导光板100的所述上表面110上。所述遮光片600设置于远离所述光源组件300的所述光学膜片500的表面上。本揭示的实施例中的背光模组10，能通过遮光片600改善背光模组10的漏光现象，提升背光模组10的光学性能。
具体地，参照图1，所述光学膜片500包括上表面510和相对于所述上表面510的下表面520，所述光学膜片500的所述下表面520与所述导光板100的所述上表面110接触，所述遮光片600设置于所述光学膜片500的所述下表面520上、所述导光板100的所述上表面110上和所述光学膜片500与所述导光板100之间。
具体地，参照图1，所述遮光片600设置于所述光学膜片500的所述上表面510上。
具体地，参照图1和图2，所述遮光片600突出于所述光学膜片500的边缘，以实现在所述光源组件300的对侧的良好遮光性能，也就是实现远离所述光源组件300的位置的良好遮光性能。所述遮光片600突出于所述导光板100的边缘，以实现在所述光源组件300的对侧的良好遮光性能，也就是实现远离所述光源组件300的位置的良好遮光性能。所述遮光片600的厚度小于或等于0.01mm。所述遮光片600是由具有柔软性的构件所构成，避免在极端环境下影响所述光学膜片500的皱褶。
具体地，参照图1和图2，所述背光模组100还包括遮光胶700和导电双面胶800，所述遮光胶700设置在所述光学膜片500和所述框体200上，使得所述光学膜片500通过所述遮光胶700固定在框体200上，所述导电双面胶800设置于所述反射片400和所述框体200之间，使得所述反射片400通过所述双面胶800固定在所述框体200上。所述遮光胶700用来定位所述光学膜片500和遮光。
具体地，参照图1和图2，所述光源组件300包括灯源柔性电路板310及设置在所述灯源柔性电路板310上的光源320，所述背光模组10还包括双面胶900，所述双面胶900设置于所述灯源柔性电路板310、所述框体200和所述导光板100之间，使得所述灯源柔性电路板310通过所述双面胶900固定在所述框体200和所述导光板100上。
参照图3，本揭示的实施例的显示装置30包括显示面板20以及上述的背光模组10。所述背光模组10设置于所述显示面板20的下方。
综上所述，由于本揭示的实施例中的背光模组及显示装置，其遮光片设置于远离光源组件的光学膜片的表面上，其能通过遮光片改善背光模组的漏光现象，提升背光模组的光学性能。
尽管已经相对于一个或多个实现方式示出并描述了本揭示，但是本领域技术人员基于对本说明书和附图的阅读和理解将会想到等价变型和修改。本揭示包括所有这样的修改和变型，并且仅由所附权利要求的范围限制。特别地关于由上述组件执行的各种功能，用于描述这样的组件的术语旨在对应于执行所述组件的指定功能（例如其在功能上是等价的）的任意组件（除非另外指示），即使在结构上与执行本文所示的本说明书的示范性实现方式中的功能的公开结构不等同。此外，尽管本说明书的特定特征已经相对于若干实现方式中的仅一个被公开，但是这种特征可以与如可以对给定或特定应用而言是期望和有利的其他实现方式的一个或多个其他特征组合。而且，就术语“包括”、“具有”、“含有”或其变形被用在具体实施方式或权利要求中而言，这样的术语旨在以与术语“包含”相似的方式包括。
以上仅是本揭示的优选实施方式，应当指出，对于本领域普通技术人员，在不脱离本揭示原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本揭示的保护范围。

Claims (20)

  1. 一种背光模组，包括：
    导光板，包括上表面、下表面与连接所述上表面及所述下表面的侧面；
    框体，设置于所述导光板的周围；
    光源组件，设置于所述导光板的所述侧面且固定于所述导光板和所述框体上；
    反射片，设置于所述导光板的所述下表面上；
    光学膜片，设置于所述导光板的所述上表面上；以及
    遮光片，设置于远离所述光源组件的所述光学膜片的表面上；
    其中所述遮光片突出于所述光学膜片的边缘；
    其中所述遮光片突出于所述导光板的边缘；
    其中所述遮光片的厚度小于或等于0.01mm；
    其中所述遮光片是由具有柔软性的构件所构成。
  2. 根据权利要求1所述的背光模组，其中所述光学膜片包括上表面和相对于所述上表面的下表面，所述光学膜片的所述下表面与所述导光板的所述上表面接触，所述遮光片设置于所述光学膜片的所述下表面上、所述导光板的所述上表面上和所述光学膜片与所述导光板之间。
  3. 根据权利要求1所述的背光模组，其中所述遮光片设置于所述光学膜片的所述上表面上。
  4. 根据权利要求1所述的背光模组，其中所述背光模组还包括遮光胶和导电双面胶，所述遮光胶设置在所述光学膜片和所述框体上，使得所述光学膜片通过所述遮光胶固定在框体上，所述导电双面胶设置于所述反射片和所述框体之间，使得所述反射片通过所述双面胶固定在所述框体上。
  5. 根据权利要求1所述的背光模组，其中所述光源组件包括灯源柔性电路板及设置在所述灯源柔性电路板上的光源，所述背光模组还包括双面胶，所述双面胶设置于所述灯源柔性电路板、所述框体和所述导光板之间，使得所述灯源柔性电路板通过所述双面胶固定在所述框体和所述导光板上。
  6. 一种背光模组，包括：
    导光板，包括上表面、下表面与连接所述上表面及所述下表面的侧面；
    框体，设置于所述导光板的周围；
    光源组件，设置于所述导光板的所述侧面且固定于所述导光板和所述框体上；
    反射片，设置于所述导光板的所述下表面上；
    光学膜片，设置于所述导光板的所述上表面上；以及
    遮光片，设置于远离所述光源组件的所述光学膜片的表面上。
  7. 根据权利要求6所述的背光模组，其中所述光学膜片包括上表面和相对于所述上表面的下表面，所述光学膜片的所述下表面与所述导光板的所述上表面接触，所述遮光片设置于所述光学膜片的所述下表面上、所述导光板的所述上表面上和所述光学膜片与所述导光板之间。
  8. 根据权利要求6所述的背光模组，其中所述遮光片设置于所述光学膜片的所述上表面上。
  9. 根据权利要求6所述的背光模组，其中所述遮光片突出于所述光学膜片的边缘。
  10.     根据权利要6所述的背光模组，其中所述遮光片突出于所述导光板的边缘。
  11.      根据权利要6所述的背光模组，其中所述遮光片的厚度小于或等于0.01mm。
  12.     根据权利要6所述的背光模组，其中所述遮光片是由具有柔软性的构件所构成。
  13.     根据权利要求6所述的背光模组，其中所述背光模组还包括遮光胶和导电双面胶，所述遮光胶设置在所述光学膜片和所述框体上，使得所述光学膜片通过所述遮光胶固定在框体上，所述导电双面胶设置于所述反射片和所述框体之间，使得所述反射片通过所述双面胶固定在所述框体上。
  14.     根据权利要求6所述的背光模组，其中所述光源组件包括灯源柔性电路板及设置在所述灯源柔性电路板上的光源，所述背光模组还包括双面胶，所述双面胶设置于所述灯源柔性电路板、所述框体和所述导光板之间，使得所述灯源柔性电路板通过所述双面胶固定在所述框体和所述导光板上。
  15.     一种显示装置，包括：
    显示面板；以及
    背光模组，设置于所述显示面板的下方，所述背光模组包括：
    导光板，包括上表面、下表面与连接所述上表面及所述下表面的侧面；
    框体，设置于所述导光板的周围；
    光源组件，设置于所述导光板的所述侧面且固定于所述导光板和所述框体上；
    反射片，设置于所述导光板的所述下表面上；
    光学膜片，设置于所述导光板的所述上表面上；以及
    遮光片，设置于远离所述光源组件的所述光学膜片的表面上。
  16.     根据权利要求15所述的显示装置，其中所述光学膜片包括上表面和相对于所述上表面的下表面，所述光学膜片的所述下表面与所述导光板的所述上表面接触，所述遮光片设置于所述光学膜片的所述下表面上、所述导光板的所述上表面上和所述光学膜片与所述导光板之间。
  17.     根据权利要求15所述的显示装置，其中所述遮光片设置于所述光学膜片的所述上表面上。
  18.     根据权利要求15所述的显示装置，其中所述遮光片突出于所述光学膜片的边缘。
  19.     根据权利要求15所述的显示装置，其中所述遮光片突出于所述导光板的边缘。
  20.     根据权利要求15所述的显示装置，其中所述遮光片的厚度小于或等于0.01mm。
PCT/CN2018/116320 2018-09-27 2018-11-20 背光模组及显示装置 Ceased WO2020062500A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/323,511 US11199743B2 (en) 2018-09-27 2018-11-20 Backlight module and display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811129796.5A CN108983500A (zh) 2018-09-27 2018-09-27 背光模组及显示装置
CN201811129796.5 2018-09-27

Publications (1)

Publication Number Publication Date
WO2020062500A1 true WO2020062500A1 (zh) 2020-04-02

Family

ID=64543071

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/116320 Ceased WO2020062500A1 (zh) 2018-09-27 2018-11-20 背光模组及显示装置

Country Status (3)

Country Link
US (1) US11199743B2 (zh)
CN (1) CN108983500A (zh)
WO (1) WO2020062500A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113885257B (zh) * 2021-11-12 2024-04-16 高创(苏州)电子有限公司 背光模组及其制备方法、显示装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120140141A1 (en) * 2010-12-06 2012-06-07 Sang-Hoon Lee Liquid crystal display device and method of manufacturing the same
KR20140058995A (ko) * 2012-11-07 2014-05-15 엘지디스플레이 주식회사 액정표시 장치
CN204855993U (zh) * 2015-05-21 2015-12-09 厦门天马微电子有限公司 一种液晶显示模组及液晶显示装置
CN105866994A (zh) * 2016-05-09 2016-08-17 京东方科技集团股份有限公司 一种显示装置
CN106200122A (zh) * 2016-08-31 2016-12-07 武汉华星光电技术有限公司 背光模组及其胶带贴合装置与胶带贴合方法
CN106444151A (zh) * 2016-10-08 2017-02-22 武汉华星光电技术有限公司 背光模块和液晶显示器
CN208737155U (zh) * 2018-09-27 2019-04-12 武汉华星光电技术有限公司 背光模组及显示装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102257201B1 (ko) * 2014-12-10 2021-05-28 엘지디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120140141A1 (en) * 2010-12-06 2012-06-07 Sang-Hoon Lee Liquid crystal display device and method of manufacturing the same
KR20140058995A (ko) * 2012-11-07 2014-05-15 엘지디스플레이 주식회사 액정표시 장치
CN204855993U (zh) * 2015-05-21 2015-12-09 厦门天马微电子有限公司 一种液晶显示模组及液晶显示装置
CN105866994A (zh) * 2016-05-09 2016-08-17 京东方科技集团股份有限公司 一种显示装置
CN106200122A (zh) * 2016-08-31 2016-12-07 武汉华星光电技术有限公司 背光模组及其胶带贴合装置与胶带贴合方法
CN106444151A (zh) * 2016-10-08 2017-02-22 武汉华星光电技术有限公司 背光模块和液晶显示器
CN208737155U (zh) * 2018-09-27 2019-04-12 武汉华星光电技术有限公司 背光模组及显示装置

Also Published As

Publication number Publication date
CN108983500A (zh) 2018-12-11
US20210325730A1 (en) 2021-10-21
US11199743B2 (en) 2021-12-14

Similar Documents

Publication Publication Date Title
US8958033B2 (en) Information processing apparatus
US9482900B2 (en) Display device
GB2546678A (en) Backlight module and display
CN104696826B (zh) 背光模组及显示装置
WO2016176929A1 (zh) 背光模块及液晶显示器
CN112164331B (zh) 多曲面显示装置
TW201447673A (zh) 觸控模組
TW201430450A (zh) 電子裝置
WO2014175172A1 (ja) 液晶表示装置
WO2021017753A1 (zh) 终端设备
US20200371391A1 (en) Liquid crystal display device and manufacturing method thereof
WO2016149966A1 (zh) 背光模组及显示装置
WO2016206139A1 (zh) 反光片、背光模组及显示装置
CN108828814A (zh) 一种移动终端
TWI521277B (zh) 顯示裝置
KR101463683B1 (ko) 액정표시장치
CN105760006A (zh) 触控显示装置
US11561422B2 (en) Display module and vehicle-mounted display device
TWI535367B (zh) 顯示裝置與觸控顯示裝置及電子裝置
WO2020062500A1 (zh) 背光模组及显示装置
US11852862B2 (en) Backlight module including interference fit and liquid crystal display device including the same
CN211293510U (zh) 显示模组和车载显示装置
US11982829B2 (en) Backlight module and display panel
CN115542607A (zh) 背光模组及显示装置
WO2016101375A1 (zh) 一种液晶显示器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18935959

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18935959

Country of ref document: EP

Kind code of ref document: A1