CN111258119A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
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- CN111258119A CN111258119A CN202010214548.1A CN202010214548A CN111258119A CN 111258119 A CN111258119 A CN 111258119A CN 202010214548 A CN202010214548 A CN 202010214548A CN 111258119 A CN111258119 A CN 111258119A
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- backlight module
- guide plate
- light guide
- iron frame
- edge
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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
- G02F1/1335—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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- 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
- G02B6/0051—Diffusing sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- 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
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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
-
- 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
- G02F1/133606—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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The application provides a backlight unit, liquid crystal display device, backlight unit includes: an iron frame including a bottom and a sidewall disposed around the bottom; the reflecting sheet is arranged at the bottom of the iron frame, and the light guide plate, the light source, the diffusion sheet and the optical film are sequentially stacked on the reflecting sheet; the edge of the diffusion sheet is provided with diffusion ink silk-screen printing; the shading glue is arranged around the optical diaphragm, extends to one side of the iron frame and is adhered to the side wall of the iron frame; wherein, the edge of the light guide plate extends to the range of the corresponding diffusion printing ink silk screen printing towards one side of the iron frame. This application is got rid of through gluing the frame with gluing on the iron frame among the traditional backlight unit, and increase light guide plate area to effectively improve backlight unit edge and produce bad phenomena such as bright line.
Description
Technical Field
The application relates to the technical field of display, in particular to a backlight module and a liquid crystal display device.
Background
LCD (Liquid Crystal Display) is a non-luminous Display device, so the Display effect can be achieved only by the backlight source, and the quality of the backlight source directly affects the Display quality of LCD. In recent years, with the gradual maturity of the LCD market, the economic level is continuously increased, and the requirement of users for the product quality is higher and higher. The backlight technology has attracted attention for high performance, such as high brightness, low cost, low power consumption, and light weight, and further, a small-sized, narrow-frame, portable high performance backlight is an important issue for developing LCDs.
Under the trend of pursuing narrow frame or no frame, backlight unit also needs narrow frame, and because assembly tolerance and technical limitation, bright lines all appear in the side all around of current LCD's backlight unit, and especially the afterbody is comparatively obvious to influence the quality of LCD display picture.
Therefore, the prior art has defects which need to be solved urgently.
Disclosure of Invention
The application provides a backlight module and a liquid crystal display device, which can effectively improve the bad phenomena of bright lines and the like generated at the edge of the backlight module.
In order to solve the above problems, the technical solution provided by the present application is as follows:
the application provides a backlight unit, includes:
an iron frame comprising a bottom and a sidewall disposed around the bottom;
the reflector plate is arranged at the bottom of the iron frame;
the light guide plate is arranged on the reflecting sheet;
the light source is arranged between the reflecting sheet and the light guide plate or at least positioned on one side of the light guide plate;
the diffusion sheet is arranged on the light guide plate, and the edge of the diffusion sheet is provided with diffusion ink silk screen printing;
the shading glue is arranged on the diffusion sheet and corresponds to the periphery of the diffusion sheet, and the shading glue extends towards one side of the iron frame and is bonded with the side wall of the iron frame;
and the edge of the light guide plate extends to the range corresponding to the silk-screen printing of the diffusion printing ink towards one side of the iron frame.
In the backlight module, the edge of the light guide plate extends to one side of the iron frame to be flush with the boundary of the diffusion sheet.
In the backlight module of the application, the backlight module further comprises an optical film, the optical film is arranged on the diffusion sheet, the edge of the optical film is flush with the boundary of the diffusion sheet, and the shading glue is located on the surface of the optical film.
In the backlight module, gaps exist among the reflecting sheet, the light guide plate, the diffusion sheet, the optical film and the side wall of the iron frame.
In the backlight module of this application, backlight unit is used for being provided with the viscose layer with a side surface of liquid crystal display module laminating, the viscose layer with the shading is glued with the layer setting just shading is glued the correspondence and is located viscose layer is all around.
In the backlight module of this application, liquid crystal display module includes the display area and centers on the non-display area that the display area set up, the viscose layer is transparent glue and corresponds to be located the display area, the shading is glued to be located correspondingly the non-display area.
In the backlight module of the application, the boundary of the light guide plate is correspondingly positioned in the non-display area of the liquid crystal display module.
In the backlight module of this application, the shading glue is close to the boundary of viscose layer one side with diffusion printing ink silk screen printing is kept away from the boundary of diffusion piece edge one side flushes.
In the backlight module of this application, the lateral wall of chase is unanimous with the thickness of bottom, just the lateral wall of chase inwards buckles and with the bottom encloses into the U type.
The application also provides a liquid crystal display device, which comprises the backlight module and the liquid crystal display module, and the backlight module is aligned and attached to the liquid crystal display module.
The beneficial effect of this application does: the application provides a backlight unit, liquid crystal display device gets rid of through gluing the frame with gluing on the gluey iron frame among the traditional backlight unit, only remains the structure of iron frame, increase light guide plate area, extend the edge of light guide plate and spread piece boundary parallel and level by with diffusion silk screen printing parallel and level, make the marginal distance screen display area's of light guide plate interval enlarge to effectively improve backlight unit edge shrink and get into the screen display area and cause unfavorable phenomena such as bright line.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present disclosure;
fig. 2 is a schematic view illustrating bending of an iron frame according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like are used in the orientation or positional relationship indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, "/" means "or".
The present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Referring to fig. 1, the present application provides a backlight module, which includes: an iron frame 10, said iron frame 10 comprising a bottom 10a and a side wall 10b disposed around said bottom 10 a; a reflection sheet 20 provided on the bottom 10a of the bezel 10; a light guide plate 30 disposed on the reflective sheet 20; a light source 40, disposed between the reflective sheet 20 and the light guide plate 30 if the light source 40 is a direct-type light source, or the light source 40 is a side-type light source, and the light source 40 is at least located at one side of the light guide plate 30; the diffusion sheet 50 is arranged on the light guide plate 30, and the edge of the diffusion sheet 50 is provided with a diffusion ink silk screen 501; an optical film 60 disposed on the diffusion sheet 50, wherein the optical film 60 includes, but is not limited to, a brightness enhancement sheet; a light blocking glue 70 disposed on the diffusion sheet 50 and corresponding to the periphery of the diffusion sheet 50; specifically, the light shielding glue 70 is disposed at the peripheral edge of the surface of the optical film 60; the light shielding glue 70 extends toward one side of the iron frame 10 and is adhered to the sidewall 10b of the iron frame 10.
The area of the diffusion sheet 50 is generally slightly larger than the visible area of the display, and the diffusion ink silk-screen 501 is printed on the peripheral edge of the diffusion sheet 50 to define the actual visible area of the display.
The brightness enhancement film and the diffusion sheet 50 can improve the diffusion effect of uniform backlight light distribution, improve light transmittance, generate high brightness, and improve the optical performance of the backlight module.
This application is owing to get rid of the gluey frame on gluing the chase in traditional backlight unit, only remains the structure of chase, thereby does light guide plate 30 provides more spaces, light guide plate 30 the edge to chase 10 one side extends to corresponding diffusion printing ink silk screen printing 501's within range. Therefore, the bad phenomena of bright lines and the like caused by the fact that the edge of the backlight module contracts into a screen display area are effectively improved.
The backlight module is used for being attached to the liquid crystal display module, and the liquid crystal display module comprises a display area and a non-display area surrounding the display area.
Further, the edge of the light guide plate 30 extends to a side of the bezel 10 to be flush with the boundary of the diffusion sheet 50. Because the plastic frame structure is removed, the light guide plate 30 does not need to be retracted, and the edge distance of the light guide plate 30 corresponding to the display area is enlarged from the original 0.35 μm to 0.55 μm, so that the risk of bright lines generated at the edge/side of the backlight module due to the fact that the light guide plate 30 is retracted into the display area is greatly reduced.
In one embodiment, the edge of the optical film 60 is flush with the boundary of the diffuser 50, so that poor display caused by retraction of the optical film 60 can be avoided.
Wherein a gap is formed between the reflective sheet 20, the light guide plate 30, the diffusion sheet 50, and the optical film 60 and the sidewall 10b of the bezel 10. Due to the increased gap between the light guide plate 30 and the side wall 10b of the bezel 10 and the better thermal conductivity of the pure bezel 10, the risk of wrinkling of other film materials caused by shrinkage of the light guide plate 30 is also greatly reduced.
The backlight module is characterized in that an adhesive layer 80 is arranged on the surface of one side, which is used for being attached to the liquid crystal display module, of the backlight module, the adhesive layer 80 and the shading glue 70 are arranged on the same layer, and the shading glue 70 is correspondingly positioned on the periphery of the adhesive layer 80.
In an embodiment, the adhesive layer 80 and the light shielding adhesive 70 are designed as an integral body, the main materials of the adhesive layer 80 and the light shielding adhesive 70 may be the same, and the light shielding adhesive 70 is added with a light shielding material.
Further, the adhesive layer 80 is a transparent adhesive and is correspondingly located in the display area, and the light-shielding adhesive 70 is correspondingly located in the non-display area. The boundary of the light shielding adhesive 70 close to the adhesive layer 80 is flush with the boundary of the diffusion sheet 50 edge far away from the diffusion ink silk-screen 501. That is, the diffusion ink silk-screen 501 is correspondingly located in the shielding range of the light shielding glue 70.
In this embodiment, the boundary of the light guide plate 30 is correspondingly located in the non-display region of the liquid crystal display module.
The side wall 10b of the iron frame 10 is as thick as the bottom 10a, and the side wall 10b of the iron frame 10 is bent inward and forms a U-shape with the bottom 10 a.
Fig. 2 is a schematic view of bending an iron frame according to an embodiment of the present application. When producing the chase 10, the end of the side wall 10b of the chase 10 is bent inwards through the sheet metal part, and because the pure chase is stronger than the glue chase, the side wall 10b of the chase 10 can be consistent with the thickness of the bottom 10a, thus ensuring the easiness of bending the side wall 10b inwards and ensuring the gap between the light guide plate 30 and the chase 10.
The present embodiment further provides a liquid crystal display device, which may be: any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like, comprises the backlight module and a liquid crystal display module which is aligned and attached to the backlight module.
Due to the adoption of the design, the backlight module of the liquid crystal display device can effectively improve the bad phenomena of bright lines and the like caused by the fact that the edge of the backlight module shrinks and enters the screen display area.
The application provides a backlight unit, liquid crystal display device gets rid of through gluing the frame with gluing on the gluey iron frame among the traditional backlight unit, only remains the structure of iron frame, increase light guide plate area, extend the edge of light guide plate and spread piece boundary parallel and level by with diffusion silk screen printing parallel and level, make the marginal distance screen display area's of light guide plate interval enlarge to effectively improve backlight unit edge shrink and get into the screen display area and cause unfavorable phenomena such as bright line.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (10)
1. A backlight module, comprising:
an iron frame comprising a bottom and a sidewall disposed around the bottom;
the reflector plate is arranged at the bottom of the iron frame;
the light guide plate is arranged on the reflecting sheet;
the light source is arranged between the reflecting sheet and the light guide plate or at least positioned on one side of the light guide plate;
the diffusion sheet is arranged on the light guide plate, and the edge of the diffusion sheet is provided with diffusion ink silk screen printing;
the shading glue is arranged on the diffusion sheet and corresponds to the periphery of the diffusion sheet, and the shading glue extends towards one side of the iron frame and is bonded with the side wall of the iron frame;
and the edge of the light guide plate extends to the range corresponding to the silk-screen printing of the diffusion printing ink towards one side of the iron frame.
2. A backlight module according to claim 1, wherein the edge of the light guide plate extends to a side of the bezel to be flush with the boundary of the diffusion sheet.
3. The backlight module as claimed in claim 1, further comprising an optical film disposed on the diffuser plate and having an edge flush with a boundary of the diffuser plate, wherein the light blocking glue is disposed on a surface of the optical film.
4. A backlight module according to claim 3, wherein gaps exist between the reflective sheet, the light guide plate, the diffusion sheet, and the optical film and the side walls of the bezel.
5. The backlight module according to claim 1, wherein an adhesive layer is disposed on a surface of a side of the backlight module for being attached to a liquid crystal display module, the adhesive layer and the light-shielding adhesive are disposed on the same layer, and the light-shielding adhesive is correspondingly disposed around the adhesive layer.
6. The backlight module according to claim 5, wherein the liquid crystal display module comprises a display area and a non-display area surrounding the display area, the adhesive layer is a transparent adhesive and is correspondingly disposed in the display area, and the light-shielding adhesive is correspondingly disposed in the non-display area.
7. The backlight module as claimed in claim 6, wherein the boundary of the light guide plate is located in the non-display region of the liquid crystal display module.
8. The backlight module as claimed in claim 5, wherein the edge of the light-shielding glue on the side close to the adhesive layer is flush with the edge of the diffusion sheet on the side far from the edge of the diffusion sheet.
9. The backlight module as claimed in claim 1, wherein the side walls of the iron frame have the same thickness as the bottom, and the side walls of the iron frame are bent inward and form a U-shape with the bottom.
10. A liquid crystal display device, comprising the backlight module and the liquid crystal display module as claimed in any one of claims 1 to 9, wherein the backlight module and the liquid crystal display module are bonded in an aligned manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214548.1A CN111258119A (en) | 2020-03-24 | 2020-03-24 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214548.1A CN111258119A (en) | 2020-03-24 | 2020-03-24 | Backlight module and liquid crystal display device |
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| Publication Number | Publication Date |
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| CN111258119A true CN111258119A (en) | 2020-06-09 |
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| CN202010214548.1A Pending CN111258119A (en) | 2020-03-24 | 2020-03-24 | Backlight module and liquid crystal display device |
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| CN110609414A (en) * | 2019-08-13 | 2019-12-24 | 深圳市德仓科技有限公司 | Backlight based on diffusion printing ink and manufacturing method thereof |
| CN209859500U (en) * | 2019-06-18 | 2019-12-27 | 信利光电股份有限公司 | Backlight structure |
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2020
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| CN104373871A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module and display with the same |
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| CN207689803U (en) * | 2018-01-17 | 2018-08-03 | 信利半导体有限公司 | A kind of backlight module |
| CN208255582U (en) * | 2018-03-21 | 2018-12-18 | 信利光电股份有限公司 | A kind of narrow frame liquid crystal display die set |
| CN208156368U (en) * | 2018-04-20 | 2018-11-27 | 深圳市隆利科技股份有限公司 | A kind of short light path backlight module of diffusion |
| CN209859500U (en) * | 2019-06-18 | 2019-12-27 | 信利光电股份有限公司 | Backlight structure |
| CN110609414A (en) * | 2019-08-13 | 2019-12-24 | 深圳市德仓科技有限公司 | Backlight based on diffusion printing ink and manufacturing method thereof |
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