JP2017534152A - Backlight module and display device - Google Patents

Backlight module and display device Download PDF

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Publication number
JP2017534152A
JP2017534152A JP2017525024A JP2017525024A JP2017534152A JP 2017534152 A JP2017534152 A JP 2017534152A JP 2017525024 A JP2017525024 A JP 2017525024A JP 2017525024 A JP2017525024 A JP 2017525024A JP 2017534152 A JP2017534152 A JP 2017534152A
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double
guide plate
light guide
sided tape
edge
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JP6440227B2 (en
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周革革
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
TCL China Star Optoelectronics Technology Co Ltd
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    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • 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
    • 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
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • G02F1/1335—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
    • G02F1/133308—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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

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

Abstract

【課題】本発明は、バックライトモジュール及び表示装置を提供する。【解決手段】バックライトモジュールは、導光板と、光源ユニットと、ベゼルと、複数層の光学フィルタと、からなり、ベゼルは導光板を囲み、光源ユニットは、導光板の１つの縁部とベゼルの間に設けられる。光源ユニットは回路板と発光部品を備える。発光部品は導光板とベゼルの間に位置し、回路板は導光板縁部の上方に位置し、光学フィルタは導光板上に重なり合って設置される。バックライトモジュールは、さらに第１両面テープと第２両面テープを備え、複数層の光学フィルタの縁部は重なり合って配列され、階段状を呈する。第１両面テープは導光板と回路板の底面の間に接着され、第１両面テープは縁部を備え、縁部は最底層の光学フィルタに粘着される。第２両面テープは、回路板の頂面、第１両面テープの縁部、及び光学フィルタの最底層以外の層の縁部に粘着される。本発明のバックライトモジュール及び表示装置は、組み立てやすいという長所を備える。【選択図】図１The present invention provides a backlight module and a display device. A backlight module includes a light guide plate, a light source unit, a bezel, and a plurality of layers of optical filters. The bezel surrounds the light guide plate, and the light source unit includes one edge portion of the light guide plate and the bezel. Between. The light source unit includes a circuit board and a light emitting component. The light-emitting component is located between the light guide plate and the bezel, the circuit board is located above the edge of the light guide plate, and the optical filter is placed on the light guide plate in an overlapping manner. The backlight module further includes a first double-sided tape and a second double-sided tape, and the edge portions of the optical filters having a plurality of layers are arranged so as to overlap each other and have a stepped shape. The first double-sided tape is bonded between the light guide plate and the bottom surface of the circuit board. The first double-sided tape has an edge, and the edge is adhered to the optical filter in the bottom layer. The second double-sided tape is adhered to the top surface of the circuit board, the edge of the first double-sided tape, and the edge of a layer other than the bottom layer of the optical filter. The backlight module and display device of the present invention have the advantage of being easy to assemble. [Selection] Figure 1

Description

本発明は、２０１４ 年 １１月１７日に提出した申請番号２０１４１０６５４６０７．１・発明名称「バックライトモジュール及び表示装置」の先願優先権を要求し、前記先願の内容は引用で本文中に合併される。   The present invention requires the priority of the prior application of the application number 201410654607.1 filed on November 17, 2014, entitled “Backlight module and display device”, and the contents of the previous application are incorporated herein by reference. Is done.

本発明は、液晶表示の技術分野に関し、特に、バックライトモジュール及び表示装置に関する。   The present invention relates to the technical field of liquid crystal display, and more particularly to a backlight module and a display device.

現在、液晶表示装置は、電子機器の表示部として各種電気製品に幅広く使用されており、従来技術において、バックライトモジュールは、通常プラスチックフレームと、導光板と、光源回路基板と、光学フィルタと、からなり、光源回路基板の底面は、両面テープによって前記導光板とプラスチックフレームに固定される。光学フィルタは、通常拡散シート、プリズムシート、偏光板等の複数のフィルタを備える。各光学フィルタはどれも固定されている必要があり、通常光学フィルタは、両面テープによって光源回路基板の頂面に固定される。   Currently, liquid crystal display devices are widely used in various electrical products as display units of electronic devices, and in the prior art, backlight modules are usually plastic frames, light guide plates, light source circuit boards, optical filters, The bottom surface of the light source circuit board is fixed to the light guide plate and the plastic frame by a double-sided tape. The optical filter usually includes a plurality of filters such as a diffusion sheet, a prism sheet, and a polarizing plate. Each optical filter needs to be fixed, and usually the optical filter is fixed to the top surface of the light source circuit board by a double-sided tape.

どのようにバックライトモジュールを設計して、光学フィルタ、導光板、光源回路基板、及びプラスチックフレーム間を、さらにシンプルに固定し、組み立てやすくするかは、今でも当業界の研究課題である。   How to design a backlight module to more simply fix the optical filter, the light guide plate, the light source circuit board, and the plastic frame to facilitate assembly is still a research subject in the industry.

本発明は、バックライトモジュール及び表示機器の組み立て構造がシンプルで、組み立てやすいという長所を備えた、バックライトモジュール及び表示装置を提供することを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to provide a backlight module and a display device having advantages that the assembly structure of the backlight module and the display device is simple and easy to assemble.

上述の目的を達成するために、本発明は、以下の技術案を提供する。   In order to achieve the above object, the present invention provides the following technical solutions.

まず、本発明は、導光板と、光源ユニットと、ベゼルと、複数層の光学フィルタと、からなるバックライトモジュールを提供する。前記ベゼルは、前記導光板を囲み、前記光源ユニットは、前記導光板の１つの縁部と前記ベゼルの間に設けられる。前記光源ユニットは、回路板と発光部品を備え、前記発光部品は、前記導光板と前記ベゼルの間に位置する。前記回路板は前記導光板縁部の上方に位置し、前記光学フィルタは前記導光板上に重なり合って設置される。前記バックライトモジュールは、さらに第１両面テープと第２両面テープを備え、前記複数層の光学フィルタの縁部は重なり合って配列され、階段状を呈する。前記第１両面テープは前記導光板と前記回路板の底面の間に接着され、前期第１両面テープは縁部を備え、前記縁部は最底層の前記光学フィルタに粘着される。前記第２両面テープは、前記回路板の頂面、前記第１両面テープの前記縁部、及び前記光学フィルタの最底層以外の層の縁部に粘着される。   First, the present invention provides a backlight module including a light guide plate, a light source unit, a bezel, and a plurality of layers of optical filters. The bezel surrounds the light guide plate, and the light source unit is provided between one edge of the light guide plate and the bezel. The light source unit includes a circuit board and a light emitting component, and the light emitting component is located between the light guide plate and the bezel. The circuit board is positioned above the edge of the light guide plate, and the optical filter is installed on the light guide plate. The backlight module further includes a first double-sided tape and a second double-sided tape, and the edges of the optical filters having a plurality of layers are arranged to overlap each other and have a stepped shape. The first double-sided tape is bonded between the light guide plate and the bottom surface of the circuit board. The first double-sided tape has an edge, and the edge is adhered to the optical filter in the bottom layer. The second double-sided tape is adhered to the top surface of the circuit board, the edge of the first double-sided tape, and the edge of a layer other than the bottom layer of the optical filter.

そのうち、前記ベゼルは、段差状に配列された第１位置付け面と第２位置付け面を備え、前記第１位置付け面は前記第２位置付け面の内側に位置し、前記第１位置付け面と前記導光板の縁部は同じ高さである。前記回路板の底面は、前記第１両面テープによって前記第１位置付け面及び前記導光板の縁部に固定され、前記第２位置付け面と前記回路板の頂面は同じ高さである。   The bezel includes a first positioning surface and a second positioning surface arranged in a step shape, the first positioning surface being positioned inside the second positioning surface, and the first positioning surface and the light guide plate. The edges of are the same height. The bottom surface of the circuit board is fixed to the first positioning surface and the edge of the light guide plate by the first double-sided tape, and the second positioning surface and the top surface of the circuit board have the same height.

そのうち、前記バックライトモジュールは背板を備え、前記背板は底板と外壁を備える。前記外壁は、前記底板の縁部から垂直に突出して延在し、前記ベゼルは、前記導光板と、前記光学フィルタと、前記光源ユニットとあわせて前記背板に固定され、前記外壁の頂面と前記第２位置付け面は同じ高さである。   Among them, the backlight module includes a back plate, and the back plate includes a bottom plate and an outer wall. The outer wall extends perpendicularly from an edge of the bottom plate, and the bezel is fixed to the back plate together with the light guide plate, the optical filter, and the light source unit, and the top surface of the outer wall And the second positioning surface has the same height.

そのうち、前記バックライトモジュールは、さらに反射シートを備え、前記反射シートは前記導光板と前記底板の間に設けられる。   Among them, the backlight module further includes a reflective sheet, and the reflective sheet is provided between the light guide plate and the bottom plate.

そのうち、前記導光板の底面は、反射塗膜でコーティングされ、前記反射塗膜と前記底板は接触する。   Among them, the bottom surface of the light guide plate is coated with a reflective coating, and the reflective coating and the bottom plate are in contact with each other.

そのうち、前記第１両面テープ及び第２両面テープは、どちらも遮光両面テープである。   Of these, the first double-sided tape and the second double-sided tape are both light-shielding double-sided tapes.

そのうち、前記光学フィルタの層は３層であり、前記第１両面テープの前記最底層の前記光学フィルタを粘着する前記縁部の頂面と、中間層の前記光学フィルタの頂面は、同じ高さである。   Among them, the optical filter has three layers, and the top surface of the edge that adheres the optical filter of the bottom layer of the first double-sided tape and the top surface of the optical filter of the intermediate layer have the same height. That's it.

さらに、本発明は、バックライトモジュールと表示パネルからなる表示装置を提供する。前記バックライトモジュールは、導光板と、光源ユニットと、ベゼルと、複数層の光学フィルタと、からなり、前記ベゼルは前記導光板を囲む。前記光源ユニットは、前記導光板の１つの縁部と前記ベゼルの間に設けられ、前記光源ユニットは、回路板と発光部品を備え、前記発光部品は、前記導光板と前記ベゼルの間に位置する。前記回路板は、前記導光板縁部の上方に位置し、前記光学フィルタは、前記導光板上に重なり合って設置される。前記バックライトモジュールは、さらに第１両面テープと第２両面テープを備え、前記複数層の光学フィルタの縁部は重なり合って配列され、階段状を呈する。前記第１両面テープは前記導光板と前記回路板の底面の間に接着され、前期第１両面テープは縁部を備え、前記縁部は最底層の前記光学フィルタに粘着される。前記第２両面テープは、前記回路板の頂面、前記第１両面テープの前記縁部、及び前記光学フィルタの最底層以外の層の縁部に粘着される。前記表示パネルは、前記バックライトモジュール上に設けられる上、前記第２両面テープの頂面は前記表示パネルに粘着される。   Furthermore, the present invention provides a display device including a backlight module and a display panel. The backlight module includes a light guide plate, a light source unit, a bezel, and a plurality of optical filters. The bezel surrounds the light guide plate. The light source unit is provided between one edge of the light guide plate and the bezel, the light source unit includes a circuit board and a light emitting component, and the light emitting component is positioned between the light guide plate and the bezel. To do. The circuit board is located above the edge of the light guide plate, and the optical filter is installed to overlap the light guide plate. The backlight module further includes a first double-sided tape and a second double-sided tape, and the edges of the optical filters having a plurality of layers are arranged to overlap each other and have a stepped shape. The first double-sided tape is bonded between the light guide plate and the bottom surface of the circuit board. The first double-sided tape has an edge, and the edge is adhered to the optical filter in the bottom layer. The second double-sided tape is adhered to the top surface of the circuit board, the edge of the first double-sided tape, and the edge of a layer other than the bottom layer of the optical filter. The display panel is provided on the backlight module, and the top surface of the second double-sided tape is adhered to the display panel.

そのうち、前記ベゼルは、段差状に配列された第１位置付け面と第２位置付け面を備え、前記第１位置付け面は前記第２位置付け面の内側に位置し、前記第１位置付け面と前記導光板の縁部は同じ高さである。前記回路板の底面は、前記第１両面テープによって前記第１位置付け面及び前記導光板の縁部に固定され、前記第２位置付け面と前記回路板の頂面は同じ高さである。   The bezel includes a first positioning surface and a second positioning surface arranged in a step shape, the first positioning surface being positioned inside the second positioning surface, and the first positioning surface and the light guide plate. The edges of are the same height. The bottom surface of the circuit board is fixed to the first positioning surface and the edge of the light guide plate by the first double-sided tape, and the second positioning surface and the top surface of the circuit board have the same height.

そのうち、前記バックライトモジュールは背板を備え、前記背板は底板と外壁を備える。前記外壁は、前記底板の縁部から垂直に突出して延在し、前記ベゼルは、前記導光板と、前記光学フィルタと、前記光源ユニットとあわせて前記背板に固定され、前記外壁の頂面と前記第２位置付け面は同じ高さである。   Among them, the backlight module includes a back plate, and the back plate includes a bottom plate and an outer wall. The outer wall extends perpendicularly from an edge of the bottom plate, and the bezel is fixed to the back plate together with the light guide plate, the optical filter, and the light source unit, and the top surface of the outer wall And the second positioning surface has the same height.

そのうち、前記バックライトモジュールは、さらに反射シートを備え、前記反射シートは前記導光板と前記底板の間に設けられる。   Among them, the backlight module further includes a reflective sheet, and the reflective sheet is provided between the light guide plate and the bottom plate.

そのうち、前記導光板の底面は、反射塗膜でコーティングされ、前記反射塗膜と前記底板は接触する。   Among them, the bottom surface of the light guide plate is coated with a reflective coating, and the reflective coating and the bottom plate are in contact with each other.

そのうち、前記第１両面テープ及び第２両面テープは、どちらも遮光両面テープである。   Of these, the first double-sided tape and the second double-sided tape are both light-shielding double-sided tapes.

そのうち、前記光学フィルタの層は３層であり、前記第１両面テープの前記最底層の前記光学フィルタを粘着する前記縁部の頂面と、中間層の前記光学フィルタの頂面は、同じ高さである。   Among them, the optical filter has three layers, and the top surface of the edge that adheres the optical filter of the bottom layer of the first double-sided tape and the top surface of the optical filter of the intermediate layer have the same height. That's it.

本発明は、前記複数層の光学フィルタの縁部が重なり合って配列され、階段状を呈することによって、前記第１両面テープが前記導光板と前記回路板の底面の間に粘着される上、前記第１両面テープの縁部は、最底層の前記光学フィルタに粘着される。前記第２両面テープによって、前記回路板の頂面、前記第１両面テープの前記縁部、前記光学フィルタの最底層以外の層の縁部を粘着する。このような組み立て構造はシンプルであり、組み立てやすいという長所を備えるバックライトモジュール及び表示装置を可能にする。   According to the present invention, the first double-sided tape is adhered between the light guide plate and the bottom surface of the circuit board by arranging the edges of the optical filters of the plurality of layers so as to overlap each other and exhibiting a step shape. The edge of the first double-sided tape is adhered to the optical filter in the bottom layer. With the second double-sided tape, the top surface of the circuit board, the edge of the first double-sided tape, and the edge of a layer other than the bottom layer of the optical filter are adhered. Such an assembly structure is simple, and enables a backlight module and a display device having an advantage of being easy to assemble.

本発明の技術案をさらに分かりやすく説明するため、以下に実施方法において必要とされる図について簡単に紹介する。見てわかる通り、以下に描写する図は、本発明の実施方法の一部に過ぎず、本領域の一般の技術者にとって、創造力を働かせなくても、これらの図のようなその他の図を取得できるものとする。
本発明の実施方法におけるバックライトモジュールの断面を示した図である。 In order to explain the technical solution of the present invention in an easy-to-understand manner, the drawings required in the implementation method are briefly introduced below. As you can see, the diagrams depicted below are only part of the way in which the present invention is implemented, and other diagrams such as these may be used by a general engineer in this area without creativity. Can be obtained.
It is the figure which showed the cross section of the backlight module in the implementation method of this invention.

以下に本発明の実施方法の図と組み合わせて、本発明の実施方法における技術案をさらに分かりやすく、全て説明する。   In the following, in combination with the figure of the implementation method of the present invention, all the technical solutions in the implementation method of the present invention will be explained more easily.

図１を参照する。本発明は、導光板１０と、光源ユニット２０と、ベゼル３０と、複数層の光学フィルタ４０と、からなるバックライトモジュールを提供する。導光板１０は、ベゼル３０の中空領域に設置され、ベゼル３０は、導光板１０を囲み、光源ユニット２０は、導光板１０の１つの縁部（ただし導光板１０の入光側）とベゼル３０の間に設けられる。光源ユニット２０は、回路板２２と発光部品２４を備え、発光部品２４は回路板２２に一体成形される。組み立てる時、発光部品２４は、導光板１０とベゼル３０の間に位置し、回路板２２は、導光板１０縁部の上方に位置する。光学フィルタ４０は、導光板１０上に重なり合って設置され、複数層の光学フィルタ４０の縁部は重なり合って配列され階段状を呈する。前記バックライトモジュールは、さらに第１両面テープ５０と第２両面テープ６０を備え、第１両面テープ５０は導光板１０と回路板２２の底面の間に接着され、第１両面テープ５０は縁部を備え、前記縁部は最底層の光学フィルタ４２に粘着される。つまり、第１両面テープ５０は、最底層の光学フィルタ４２の縁部の頂面まで延在されることによって、最底層の光学フィルタ４２を粘着して固定する。第２両面テープ６０は、回路板２２の頂面、第１両面テープ５０の前記縁部、光学フィルタ４０における最底層以外の層４４、４６の縁部に粘着される。   Please refer to FIG. The present invention provides a backlight module including a light guide plate 10, a light source unit 20, a bezel 30, and a plurality of layers of optical filters 40. The light guide plate 10 is installed in a hollow area of the bezel 30, the bezel 30 surrounds the light guide plate 10, and the light source unit 20 includes one edge of the light guide plate 10 (however, the light incident side of the light guide plate 10) and the bezel 30. Between. The light source unit 20 includes a circuit board 22 and a light emitting component 24, and the light emitting component 24 is integrally formed on the circuit board 22. When assembled, the light emitting component 24 is positioned between the light guide plate 10 and the bezel 30, and the circuit board 22 is positioned above the edge of the light guide plate 10. The optical filter 40 is installed on the light guide plate 10 so as to overlap with each other, and the edge portions of the optical filters 40 having a plurality of layers are arranged so as to overlap with each other and have a stepped shape. The backlight module further includes a first double-sided tape 50 and a second double-sided tape 60, the first double-sided tape 50 is bonded between the light guide plate 10 and the bottom surface of the circuit board 22, and the first double-sided tape 50 has an edge portion. The edge is adhered to the optical filter 42 in the bottom layer. That is, the first double-sided tape 50 extends to the top surface of the edge of the optical filter 42 on the bottom layer, thereby sticking and fixing the optical filter 42 on the bottom layer. The second double-sided tape 60 is adhered to the top surface of the circuit board 22, the edge portion of the first double-sided tape 50, and the edge portions of the layers 44 and 46 other than the bottommost layer in the optical filter 40.

本発明は、複数層の光学フィルタ４０の縁部が重なり合って配列され、階段状を呈することによって、第１両面テープ５０が導光板１０と前記回路板２２の底面の間に粘着される上、第１両面テープ５０の縁部は、最底層の光学フィルタ４２に粘着される。第２両面テープ６０によって、回路板２２の頂面、第１両面テープ５０の前記縁部、及び光学フィルタ４０の最底層以外の層４４、４６の縁部を粘着する。このような組み立て構造はシンプルであり、組み立てやすいという長所を備えるバックライトモジュール及び表示装置を可能にする。   In the present invention, the edges of the multiple layers of optical filters 40 are overlapped and arranged in a step shape, whereby the first double-sided tape 50 is adhered between the light guide plate 10 and the bottom surface of the circuit board 22. The edge of the first double-sided tape 50 is adhered to the optical filter 42 in the bottom layer. The second double-sided tape 60 adheres the top surface of the circuit board 22, the edge of the first double-sided tape 50, and the edges of the layers 44 and 46 other than the bottommost layer of the optical filter 40. Such an assembly structure is simple, and enables a backlight module and a display device having an advantage of being easy to assemble.

具体的には、ベゼル３０は、段差状に配列された第１位置付け面３２と第２位置付け面３４を備え、第１位置付け面３２は第２位置付け面３４の内側に位置し、第１位置付け面３２と導光板１０の縁部は同じ高さである。回路板２２の底面は、第１両面テープ５０によって第１位置付け面３２及び導光板１０の縁部に固定され、第２位置付け面３４と回路板２２の頂面は同じ高さである。   Specifically, the bezel 30 includes a first positioning surface 32 and a second positioning surface 34 arranged in a step shape, and the first positioning surface 32 is located inside the second positioning surface 34, and the first positioning surface 34 32 and the edge part of the light-guide plate 10 are the same height. The bottom surface of the circuit board 22 is fixed to the first positioning surface 32 and the edge portion of the light guide plate 10 by the first double-sided tape 50, and the second positioning surface 34 and the top surface of the circuit board 22 have the same height.

本発明のバックライトモジュールは、背板７０を備え、背板７０は底板７２と外壁７４を備える。外壁７４は、底板７２の縁部から垂直に突出して延在し、ベゼル３０は、導光板１０と、光学フィルタ４０と、光源ユニット２０とあわせて背板７０に固定され、外壁７４の頂面と第２位置付け面３４は同じ高さである。   The backlight module of the present invention includes a back plate 70, and the back plate 70 includes a bottom plate 72 and an outer wall 74. The outer wall 74 extends perpendicularly from the edge of the bottom plate 72, and the bezel 30 is fixed to the back plate 70 together with the light guide plate 10, the optical filter 40, and the light source unit 20, and the top surface of the outer wall 74. And the second positioning surface 34 have the same height.

１つの実施方法において、 バックライトモジュールは、さらに反射シート８０を備え、反射シート８０は導光板１０と底板７２の間に設けられる。   In one implementation method, the backlight module further includes a reflection sheet 80, and the reflection sheet 80 is provided between the light guide plate 10 and the bottom plate 72.

他の実施方法において、導光板１０の底面は、反射塗膜でコーティングされ、前記反射塗膜と底板７２は接触する。つまり、反射シート８０の代わりに反射塗膜を代用することで、バックライトモジュールの大きさを効果的に薄型化することができる。   In another implementation method, the bottom surface of the light guide plate 10 is coated with a reflective coating, and the reflective coating and the bottom plate 72 are in contact with each other. In other words, the size of the backlight module can be effectively reduced by substituting a reflective coating film instead of the reflective sheet 80.

本発明のバックライトモジュールにおいて、第１両面テープ５０及び第２両面テープ６０は、どちらも遮光両面テープである。遮光両面テープは、バックライトモジュールの縁部の光漏れを防止することができる。   In the backlight module of the present invention, the first double-sided tape 50 and the second double-sided tape 60 are both light-shielding double-sided tapes. The light-shielding double-sided tape can prevent light leakage at the edge of the backlight module.

具体的には、光学フィルタ４０の層は３層であり、第１両面テープ５０の縁部によって、最底層の光学フィルタ４２を粘着し、第１両面テープ５０の縁部の頂面と中間層の光学フィルタ４４の頂面は、同じ高さである。   Specifically, the optical filter 40 has three layers, and the edge of the first double-sided tape 50 adheres the optical filter 42 of the bottom layer, and the top surface of the edge of the first double-sided tape 50 and the intermediate layer. The top surfaces of the optical filters 44 have the same height.

本発明は、さらにバックライトモジュールと表示パネルからなる表示装置を提供する。前記表示パネルは、前記バックライトモジュール上に設けられる上、第２両面テープ６０の頂面は前記表示パネルに粘着される。   The present invention further provides a display device comprising a backlight module and a display panel. The display panel is provided on the backlight module, and the top surface of the second double-sided tape 60 is adhered to the display panel.

上述は、本発明の好ましい実施方法であり、指摘すべき点として、本領域の一般の技術者からすると、本発明の原理を逸脱しない前提において、若干の改良や潤飾をすることができるが、これらの改良や潤飾も本発明の特許請求範囲内であるとする。   The above is a preferred implementation method of the present invention, and as a point to be pointed out, from a general engineer in this area, it is possible to make some improvements and decorations on the premise that it does not depart from the principle of the present invention. These improvements and decorations are also within the scope of the claims of the present invention.

１０ 導光板
２０ 光源ユニット
２２ 回路板
２４ 発光部品
３０ ベゼル
３２ 第１位置付け面
３４ 第２位置付け面
４０ 光学フィルタ
４２ 最底層の光学フィルタ
４４ 光学フィルタにおける最底層以外の層
４６ 光学フィルタにおける最底層以外の層
５０ 第１両面テープ
６０ 第２両面テープ
７０ 背板
７２ 底板
７４ 外壁
８０ 反射シート DESCRIPTION OF SYMBOLS 10 Light guide plate 20 Light source unit 22 Circuit board 24 Light-emitting component 30 Bezel 32 1st positioning surface 34 2nd positioning surface 40 Optical filter 42 Optical filter of the bottom layer 44 Layers other than the bottom layer in an optical filter 46 Other than the bottom layer in an optical filter Layer 50 First double-sided tape 60 Second double-sided tape 70 Back plate 72 Bottom plate 74 Outer wall 80 Reflective sheet

Claims (14)

導光板と、光源ユニットと、ベゼルと、複数層の光学フィルタと、からなるバックライトモジュールであって、前記ベゼルは、前記導光板を囲み、前記光源ユニットは、前記導光板の１つの縁部と前記ベゼルの間に設けられ、前記光源ユニットは、回路板と発光部品を備え、前記発光部品は、前記導光板と前記ベゼルの間に位置し、前記回路板は前記導光板縁部の上方に位置し、前記光学フィルタは前記導光板上に重なり合って設置され、前記バックライトモジュールは、さらに第１両面テープと第２両面テープを備え、前記複数層の光学フィルタの縁部は重なり合って配列され、階段状を呈し、前記第１両面テープは前記導光板と前記回路板の底面の間に接着され、前期第１両面テープは縁部を備え、前記縁部は最底層の前記光学フィルタに粘着され、前記第２両面テープは、前記回路板の頂面、前記第１両面テープの前記縁部、及び前記光学フィルタの最底層以外の層の縁部に粘着されることを特徴とする、バックライトモジュール。 A backlight module comprising a light guide plate, a light source unit, a bezel, and a plurality of layers of optical filters, wherein the bezel surrounds the light guide plate, and the light source unit is one edge of the light guide plate. The light source unit includes a circuit board and a light emitting component, the light emitting component is located between the light guide plate and the bezel, and the circuit board is located above the edge of the light guide plate. The optical filter is installed on the light guide plate so as to overlap with each other, and the backlight module further includes a first double-sided tape and a second double-sided tape, and the edges of the multiple layers of optical filters are arranged so as to overlap each other. The first double-sided tape is bonded between the light guide plate and the bottom surface of the circuit board, the first double-sided tape has an edge, and the edge is the bottommost optical filter. The second double-sided tape is adhered to the top surface of the circuit board, the edge of the first double-sided tape, and the edge of a layer other than the bottom layer of the optical filter, Backlight module. 前記ベゼルは、段差状に配列された第１位置付け面と第２位置付け面を備え、前記第１位置付け面は前記第２位置付け面の内側に位置し、前記第１位置付け面と前記導光板の縁部は同じ高さであり、前記回路板の底面は、前記第１両面テープによって前記第１位置付け面及び前記導光板の縁部に固定され、前記第２位置付け面と前記回路板の頂面は同じ高さであることを特徴とする、請求項１に記載のバックライトモジュール。 The bezel includes a first positioning surface and a second positioning surface arranged in a step shape, the first positioning surface is located inside the second positioning surface, and an edge between the first positioning surface and the light guide plate And the bottom surface of the circuit board is fixed to the first positioning surface and the edge of the light guide plate by the first double-sided tape, and the second positioning surface and the top surface of the circuit board are The backlight module according to claim 1, wherein the backlight modules have the same height. 前記バックライトモジュールは背板を備え、前記背板は底板と外壁を備え、前記外壁は、前記底板の縁部から垂直に突出して延在し、前記ベゼルは、前記導光板と、前記光学フィルタと、前記光源ユニットとあわせて前記背板に固定され、前記外壁の頂面と前記第２位置付け面は同じ高さであることを特徴とする、請求項２に記載のバックライトモジュール。 The backlight module includes a back plate, the back plate includes a bottom plate and an outer wall, the outer wall extends perpendicularly from an edge of the bottom plate, and the bezel includes the light guide plate and the optical filter. The backlight module according to claim 2, wherein the backlight module is fixed to the back plate together with the light source unit, and a top surface of the outer wall and the second positioning surface have the same height. 前記バックライトモジュールは、さらに反射シートを備え、前記反射シートは前記導光板と前記底板の間に設けられることを特徴とする、請求項３に記載のバックライトモジュール。 The backlight module according to claim 3, wherein the backlight module further includes a reflection sheet, and the reflection sheet is provided between the light guide plate and the bottom plate. 前記導光板の底面は、反射塗膜でコーティングされ、前記反射塗膜と前記底板は接触することを特徴とする、請求項３に記載のバックライトモジュール。 The backlight module according to claim 3, wherein a bottom surface of the light guide plate is coated with a reflective coating, and the reflective coating and the bottom plate are in contact with each other. 前記第１両面テープ及び第２両面テープは、どちらも遮光両面テープであることを特徴とする、請求項１に記載のバックライトモジュール。 The backlight module according to claim 1, wherein the first double-sided tape and the second double-sided tape are both light-shielding double-sided tapes. 前記光学フィルタの層は３層であり、前記第１両面テープの前記最底層の前記光学フィルタを粘着する前記縁部の頂面と、中間層の前記光学フィルタの頂面は、同じ高さであることを特徴とする、請求項１に記載のバックライトモジュール。 The optical filter has three layers, and the top surface of the edge that adheres the optical filter of the bottom layer of the first double-sided tape and the top surface of the optical filter of the intermediate layer have the same height. The backlight module according to claim 1, wherein the backlight module is provided. バックライトモジュールと表示パネルからなる表示装置であって、前記バックライトモジュールは、導光板と、光源ユニットと、ベゼルと、複数層の光学フィルタと、からなり、前記ベゼルは、前記導光板を囲み、前記光源ユニットは、前記導光板の１つの縁部と前記ベゼルの間に設けられ、前記光源ユニットは、回路板と発光部品を備え、前記発光部品は、前記導光板と前記ベゼルの間に位置し、前記回路板は前記導光板縁部の上方に位置し、前記光学フィルタは前記導光板上に重なり合って設置され、前記バックライトモジュールは、さらに第１両面テープと第２両面テープを備え、前記複数層の光学フィルタの縁部は重なり合って配列され、階段状を呈し、前記第１両面テープは前記導光板と前記回路板の底面の間に接着され、前期第１両面テープは縁部を備え、前記縁部は最底層の前記光学フィルタに粘着され、前記第２両面テープは、前記回路板の頂面、前記第１両面テープの前記縁部、及び前記光学フィルタの最底層以外の層の縁部に粘着され、前記表示パネルは、前記バックライトモジュール上に設けられる上、前記第２両面テープの頂面は前記表示パネルに粘着されることを特徴とする、表示装置。 A display device including a backlight module and a display panel, wherein the backlight module includes a light guide plate, a light source unit, a bezel, and a plurality of layers of optical filters, and the bezel surrounds the light guide plate. The light source unit is provided between one edge of the light guide plate and the bezel, the light source unit includes a circuit board and a light emitting component, and the light emitting component is disposed between the light guide plate and the bezel. The circuit board is positioned above the edge of the light guide plate, the optical filter is disposed on the light guide plate, and the backlight module further includes a first double-sided tape and a second double-sided tape. The edges of the optical filters of the plurality of layers are arranged in an overlapping manner, exhibiting a staircase shape, and the first double-sided tape is bonded between the light guide plate and the bottom surface of the circuit board. The double-sided tape includes an edge, the edge is adhered to the optical filter of the bottom layer, and the second double-sided tape is a top surface of the circuit board, the edge of the first double-sided tape, and the optical filter. The display panel is provided on the backlight module, and the top surface of the second double-sided tape is adhered to the display panel. Display device. 前記ベゼルは、段差状に配列された第１位置付け面と第２位置付け面を備え、前記第１位置付け面は前記第２位置付け面の内側に位置し、前記第１位置付け面と前記導光板の縁部は同じ高さであり、前記回路板の底面は、前記第１両面テープによって前記第１位置付け面及び前記導光板の縁部に固定され、前記第２位置付け面と前記回路板の頂面は同じ高さであることを特徴とする、請求項８に記載の表示装置。 The bezel includes a first positioning surface and a second positioning surface arranged in a step shape, the first positioning surface is located inside the second positioning surface, and an edge between the first positioning surface and the light guide plate And the bottom surface of the circuit board is fixed to the first positioning surface and the edge of the light guide plate by the first double-sided tape, and the second positioning surface and the top surface of the circuit board are The display device according to claim 8, wherein the display devices have the same height. 前記バックライトモジュールは背板を備え、前記背板は底板と外壁を備え、前記外壁は、前記底板の縁部から垂直に突出して延在し、前記ベゼルは、前記導光板と、前記光学フィルタと、前記光源ユニットとあわせて前記背板に固定され、前記外壁の頂面と前記第２位置付け面は同じ高さであることを特徴とする、請求項９に記載の表示装置。 The backlight module includes a back plate, the back plate includes a bottom plate and an outer wall, the outer wall extends perpendicularly from an edge of the bottom plate, and the bezel includes the light guide plate and the optical filter. 10. The display device according to claim 9, wherein the display device is fixed to the back plate together with the light source unit, and a top surface of the outer wall and the second positioning surface have the same height. 前記バックライトモジュールは、さらに反射シートを備え、前記反射シートは前記導光板と前記底板の間に設けられることを特徴とする、請求項１０に記載の表示装置。 The display device according to claim 10, wherein the backlight module further includes a reflection sheet, and the reflection sheet is provided between the light guide plate and the bottom plate. 前記導光板の底面は、反射塗膜でコーティングされ、前記反射塗膜と前記底板は接触することを特徴とする、請求項１０に記載の表示装置。 The display device according to claim 10, wherein a bottom surface of the light guide plate is coated with a reflective coating, and the reflective coating and the bottom plate are in contact with each other. 前記第１両面テープ及び第２両面テープは、どちらも遮光両面テープであることを特徴とする、請求項８に記載の表示装置。 The display device according to claim 8, wherein the first double-sided tape and the second double-sided tape are both light-shielding double-sided tapes. 前記光学フィルタの層は３層であり、前記第１両面テープの前記最底層の前記光学フィルタを粘着する前記縁部の頂面と、中間層の前記光学フィルタの頂面は、同じ高さであることを特徴とする、請求項８に記載の表示装置。 The optical filter has three layers, and the top surface of the edge that adheres the optical filter of the bottom layer of the first double-sided tape and the top surface of the optical filter of the intermediate layer have the same height. The display device according to claim 8, wherein the display device is provided.
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