CN106681053A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN106681053A CN106681053A CN201710003288.1A CN201710003288A CN106681053A CN 106681053 A CN106681053 A CN 106681053A CN 201710003288 A CN201710003288 A CN 201710003288A CN 106681053 A CN106681053 A CN 106681053A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- blooming piece
- location division
- framework
- liquid crystal
- 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.)
- Pending
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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
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)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a backlight module and a liquid crystal display device, and relates to the technical field of display. On the basis that the width of a backlight module frame is not increased, the problem that the optical diaphragm fixing mode of an existing backlight module easily causes shaking and warping of an optical diaphragm is solved. The backlight module includes the frame, an optical diaphragm, a light guide plate, a reflection sheet and a back plate. The longitudinal section of the frame is in an L shape and includes a first edge with the extending direction perpendicular to the optical diaphragm and a second edge with the extending direction parallel to the optical diaphragm, the inner side of the first edge and the inner surface of the second edge are each provided with a positioning part, the edge of the optical diaphragm is provided with positioning holes matched with the positioning parts, and the positioning parts pass through the positioning holes to fix the optical diaphragm. The backlight module is suitable for the liquid crystal display device with a narrow frame and can provide light required by image displaying for the liquid crystal display device.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight module and liquid crystal indicator.
Background technology
Backlight module is one of important devices in liquid crystal indicator, mainly including light source, light guide plate, blooming piece,
The part such as front frame and backboard.
The fixation of the blooming piece in prior art for backlight module carries out secondary bending typically by backboard,
The secondary bending part of backboard arranges locating dowel, and the marginal position in blooming piece opens up location hole, and locating dowel is inserted into positioning
In hole, then the sticking cloth on the location hole of blooming piece, to realize positioning blooming piece.This blooming piece is consolidated
Determining mode needs to carry out backboard secondary bending, and sufficient space is reserved on secondary bending part arranging locating dowel, so as to increase
The big width of backlight module frame, it is impossible to realize the structure design of narrow frame.
For the blooming piece fixed form of narrow frame backlight module is fixed on frame typically by by blooming piece edge
Region between kink of frame and backboard, using framework and backboard the edge of blooming piece is clamped, but this without positioning
The fixed form of structure, blooming piece is rocked in use with warped substantially, greatly have impact on the installation of blooming piece
And using effect, and then have impact on the image quality of backlight module.
The content of the invention
It is an object of the invention to provide a kind of backlight module and liquid crystal indicator, are not increasing backlight module frame
Width on the basis of, the blooming piece fixed form for solving existing backlight module easily causes blooming piece and rocks and warped
Problem.
In order to achieve the above object, the present invention provides following technical scheme：
In a first aspect, the invention provides a kind of backlight module, the backlight module includes framework, the blooming being sequentially arranged
Piece, light guide plate, reflector plate and backboard, the longitudinal section of the framework is " L " shape, including extending perpendicularly to the of blooming piece
While and bearing of trend parallel to blooming piece the second side, described first while inner side, described second while inner surface be provided with
Location division, the edge of the blooming piece offers the location hole being engaged with the location division, and the location division passes through institute
State location hole to fix blooming piece.
Backlight module provided by the present invention, on the premise of available frame width is constant, by the side of framework first
Inner side, the inner surface on the second side open up location division, and the location hole being engaged with location division are opened up in the edge of blooming piece,
Location division is engaged to fix blooming piece with location hole.Phase by the way of blooming piece is fixed using backboard with prior art
Than being not related to the twice bended to backboard in the solution of the present invention, it is not required that sufficient space is reserved on backboard fixed to arrange
Position post, processing technology is simple, it is adaptable to the structure design of narrow frame；With narrow frame backlight module in prior art using framework and
The edge of backboard clamping blooming piece is compared come the mode for fixing blooming piece, and the present invention has dedicated for fixed blooming piece
Location structure, the fixation to blooming piece more consolidates, it is to avoid blooming piece rocking and warped in use, carries
The installation of high blooming piece and using effect, and then improve the image quality of backlight module.
Second aspect, the invention provides a kind of liquid crystal indicator, the liquid crystal indicator includes：Liquid crystal display
Screen, the backlight module as described in relation to the first aspect for being superimposed on the LCDs back side.
The beneficial effect of liquid crystal indicator provided by the present invention is identical with the beneficial effect of above-mentioned backlight module, here
Repeat no more.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the backlight module involved by the embodiment of the present invention one；
Fig. 2 is the longitudinal sectional view of the framework of the backlight module involved by the embodiment of the present invention one；
Fig. 3 is the longitudinal sectional view of the blooming piece of the backlight module involved by the embodiment of the present invention one；
Fig. 4 a are the distribution schematic diagram of the location hole of blooming piece in Fig. 3；
Fig. 4 b are the distribution schematic diagram of the location hole another way of blooming piece in Fig. 3；
Fig. 5 is the structural representation of the backlight module involved by the embodiment of the present invention two；
The structural representation of the blooming piece with lug in backlight modules of the Fig. 6 involved by the embodiment of the present invention two.
Reference：
The first sides of 1- frameworks 101-
The second sides of 102- 103- location divisions
2- blooming piece 201- location holes
The upper diffusion sheet 203- prismatic lenses of 202-
Diffusion sheet 205- lugs under 204-
3- light guide plate 4- reflector plates
Kink of 5- backboards 501-
Specific embodiment
Objects, features and advantages to enable technical scheme proposed by the invention become apparent from it is understandable, below will knot
Accompanying drawing is closed, the embodiment of technical scheme proposed by the invention is clearly and completely described.Obviously, described enforcement
A part of embodiment of only the proposed technical scheme of example, rather than the embodiment of whole.Based on the enforcement in the present invention
Example, all other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made belongs to
In the scope of protection of the invention.
It should be noted that the portion that so-called " kink " is formed by backboard two ends to the first time bending of framework direction
Point；The further part that inwardly bending is formed in end of so-called " second kink " by a kink of backboard.
Embodiment one
Referring to Fig. 1, the embodiment of the present invention one provides a kind of backlight module, and the backlight module includes framework 1, blooming piece
2nd, light guide plate 3, reflector plate 4 and backboard 5.The longitudinal section of the framework 1 is " L " shape, including extending perpendicularly to blooming piece
First while 101 and bearing of trend parallel to blooming piece second while 102, described first while 101 inner side, described second while
102 inner surface is provided with location division 103, referring to Fig. 2.The edge of the blooming piece 2 offers and the phase of the location division 103
Blooming piece 2 is fixed in the location hole 201 of cooperation, the location division 103 through the location hole 201, normally, the optics
Diaphragm 2 is included from upper diffusion sheet 202, the prismatic lens 203 being sequentially arranged to close light guide plate exiting surface away from the exiting surface of light guide plate 3
With lower diffusion sheet 204, referring to Fig. 3,4a, 4b.
In an assembling process, in order to more easily by location division 103 through location hole 201, it is preferable that the positioning
Portion 103 is column；It is further preferred that the cross section of the location division 103 is circular or oval.
For common backlight module, the cross section of the framework 1 and the blooming piece 2 are rectangle, due to
In use, the Corner Strapped that the warped of blooming piece 2 and rocking is primarily due to rectangular optical diaphragm 2 is caused built on the sand, excellent
Selection of land, the location division 103 is located at the corner of framework 1, at 2 four jiaos of location division 103 and blooming piece at 1 four jiaos of framework
Location hole 201 is engaged, and referring to Fig. 4 a, so can more effectively fix blooming piece 2.
On the basis of effective fixed blooming piece 2, in order that the backlight module of the present invention can further fix leaded light
Plate 3, at the same weaken the side light leakage of light guide plate 3 problem, it is preferable that location division 103 is made using non-transparent material, and with it is described
Framework 1 is integrally formed, and the light guide plate 3 is located at the inner side of the location division 103.Light guide plate 3 is arranged at the interior of location division 103
Side, to light guide plate 3 further position-limiting action can be played, while location division 103 is made using non-transparent material, location division
103 light that can absorb the injection of the lateral section of light guide plate 3, weaken the leakage problem of the side of light guide plate 3.
Further, in order that the backlight module of the present invention can play further restriction effect to backboard 5, the back of the body is increased
The integrally-built stability of light module, further increases the image quality of backlight module, it is preferable that the backboard 5 have to
Kink 501 of the bending of the framework 1 a, kink 501 is located at the first side 101 of the framework 1 and described
Between location division 103.
Embodiment two
The structure of the backlight module that the embodiment of the present invention two is provided is essentially identical with embodiment one, and both differences are light
The shape for learning diaphragm 2 is different, referring to Fig. 5~6.
The side of the blooming piece 2 of embodiment two is provided with lug 205, offers on the lug 205 and the positioning
The location hole 201 that portion 103 is engaged.
In the edge location hole 201 of blooming piece 2, the edge of location hole 201 can produce song due to processing reason
Stick up, destroy the flatness of the entirety of blooming piece 2, and then affect the using effect of blooming piece 2；Set in the side of blooming piece 2
Lug 205 is put, location hole 201 is opened up on lug 205, the warped problem produced due to processing reason is only limitted to the area of lug 205
Domain, greatly ensure that the integral smoothness of blooming piece 2.
Embodiment three
The embodiment of the present invention three provides a kind of liquid crystal indicator, and the liquid crystal indicator includes：LCDs,
It is superimposed on the backlight module at the LCDs back side, the back of the body in the structure and embodiment one of the backlight module or embodiment two
Light modular structure is identical.
The liquid crystal indicator that the embodiment of the present invention three is provided applies the backlight module of embodiment one or embodiment two,
On the premise of available frame width is constant, the fixation to blooming piece is more consolidated, it is to avoid blooming piece is in use
Rock and warped, improve installation and the using effect of blooming piece, and then improve the image quality of backlight module.
It should be noted that the liquid crystal indicator in the present embodiment can be liquid crystal panel, Electronic Paper, mobile phone, flat board
Any product with display function such as computer, television set, display, notebook computer, DPF, navigator or part.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (9)
1. a kind of backlight module, the backlight module includes framework, blooming piece, light guide plate and backboard, the longitudinal section of the framework
For " L " shape, including extend perpendicularly to the first of blooming piece while and bearing of trend parallel to blooming piece second while, its
Be characterised by, described first while inner side, described second while inner surface be provided with location division, the edge of the blooming piece is opened
The location hole being engaged with the location division is provided with, blooming piece is fixed in the location division through the location hole.
2. backlight module according to claim 1, it is characterised in that the location division is column.
3. backlight module according to claim 2, it is characterised in that the cross section of the location division is circular or oval
Shape.
4. backlight module according to claim 1, it is characterised in that the cross section of the framework and the blooming piece are equal
For rectangle, the position point is at the corner of the framework.
5. backlight module according to claim 1, it is characterised in that the side of the blooming piece is provided with lug, institute
State and the location hole being engaged with the location division is offered on lug.
6. backlight module according to claim 1, it is characterised in that the blooming piece is included from going out away from light guide plate 3
Light face is to upper diffusion sheet, prismatic lens and the lower diffusion sheet being sequentially arranged near light guide plate exiting surface.
7. backlight module according to claim 1, it is characterised in that the location division is made using non-transparent material, with
The framework is integrally formed, and the light guide plate is located at the inner side of the location division.
8. backlight module according to claim 1, it is characterised in that the backboard has to the bending frameworks once
Kink, a bending part is between first side and the location division of the framework.
9. a kind of liquid crystal indicator, the liquid crystal indicator includes：LCDs, it is superimposed on the LCDs back of the body
The backlight module as described in any one of claim 1-8 in face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003288.1A CN106681053A (en) | 2017-01-03 | 2017-01-03 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003288.1A CN106681053A (en) | 2017-01-03 | 2017-01-03 | Backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106681053A true CN106681053A (en) | 2017-05-17 |
Family
ID=58849202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710003288.1A Pending CN106681053A (en) | 2017-01-03 | 2017-01-03 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106681053A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490888A (en) * | 2017-09-14 | 2017-12-19 | 青岛海信电器股份有限公司 | A kind of display device |
| CN108563064A (en) * | 2018-01-05 | 2018-09-21 | 京东方科技集团股份有限公司 | Backlight module and its assemble method, display device |
| WO2019184412A1 (en) * | 2018-03-28 | 2019-10-03 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| CN111583785A (en) * | 2020-06-12 | 2020-08-25 | 京东方科技集团股份有限公司 | Frame module and display device |
| CN113359350A (en) * | 2021-06-16 | 2021-09-07 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN114043196A (en) * | 2021-11-26 | 2022-02-15 | 深圳市深科达智能装备股份有限公司 | Equipment of equipment protective frame |
| TWI769914B (en) * | 2021-08-20 | 2022-07-01 | 大陸商業成科技（成都）有限公司 | Backlight module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020024623A1 (en) * | 2000-08-21 | 2002-02-28 | Kim Byoung Ku | Liquid crystal display |
| KR20080036437A (en) * | 2006-10-23 | 2008-04-28 | 삼성전자주식회사 | Backlight assembly and liquid crystal display comprising the same |
| CN101545601A (en) * | 2009-04-22 | 2009-09-30 | 昆山龙腾光电有限公司 | Backlight module |
| CN101886773A (en) * | 2009-05-15 | 2010-11-17 | 友达光电(厦门)有限公司 | Backlight module, liquid crystal display device and assembling method thereof |
| CN104806929A (en) * | 2015-04-14 | 2015-07-29 | 武汉华星光电技术有限公司 | Optical film locating structure for backlight module, backlight module and display |
-
2017
- 2017-01-03 CN CN201710003288.1A patent/CN106681053A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020024623A1 (en) * | 2000-08-21 | 2002-02-28 | Kim Byoung Ku | Liquid crystal display |
| KR20080036437A (en) * | 2006-10-23 | 2008-04-28 | 삼성전자주식회사 | Backlight assembly and liquid crystal display comprising the same |
| CN101545601A (en) * | 2009-04-22 | 2009-09-30 | 昆山龙腾光电有限公司 | Backlight module |
| CN101886773A (en) * | 2009-05-15 | 2010-11-17 | 友达光电(厦门)有限公司 | Backlight module, liquid crystal display device and assembling method thereof |
| CN104806929A (en) * | 2015-04-14 | 2015-07-29 | 武汉华星光电技术有限公司 | Optical film locating structure for backlight module, backlight module and display |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490888A (en) * | 2017-09-14 | 2017-12-19 | 青岛海信电器股份有限公司 | A kind of display device |
| CN107490888B (en) * | 2017-09-14 | 2020-09-04 | 海信视像科技股份有限公司 | Display device |
| CN108563064A (en) * | 2018-01-05 | 2018-09-21 | 京东方科技集团股份有限公司 | Backlight module and its assemble method, display device |
| CN108563064B (en) * | 2018-01-05 | 2021-04-13 | 京东方科技集团股份有限公司 | Backlight module, assembling method thereof and display device |
| WO2019184412A1 (en) * | 2018-03-28 | 2019-10-03 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| US10955694B2 (en) | 2018-03-28 | 2021-03-23 | Boe Technology Group Co., Ltd. | Backlight module and liquid crystal display apparatus |
| CN111583785A (en) * | 2020-06-12 | 2020-08-25 | 京东方科技集团股份有限公司 | Frame module and display device |
| CN113359350A (en) * | 2021-06-16 | 2021-09-07 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| TWI769914B (en) * | 2021-08-20 | 2022-07-01 | 大陸商業成科技（成都）有限公司 | Backlight module |
| CN114043196A (en) * | 2021-11-26 | 2022-02-15 | 深圳市深科达智能装备股份有限公司 | Equipment of equipment protective frame |
| CN114043196B (en) * | 2021-11-26 | 2022-09-13 | 深圳市深科达智能装备股份有限公司 | Equipment of equipment protective frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106681053A (en) | Backlight module and liquid crystal display device | |
| TWI452385B (en) | Display device | |
| US20170160582A1 (en) | Wide viewing film and wide viewing tft-lcd having the same | |
| CN106444121B (en) | Display device | |
| CN203250042U (en) | Light guide plate (LGP) and liquid crystal display device | |
| US8467011B2 (en) | Display device | |
| CN103810942A (en) | Curved display apparatus | |
| KR102178198B1 (en) | Liquid crystal display device | |
| KR20160065668A (en) | Liquid crystal display device | |
| CN204141394U (en) | Backlight module and display unit | |
| CN204477809U (en) | Novel backlight module displays device | |
| CN102884366A (en) | Lighting device, display device, and television receiving device | |
| CN205038425U (en) | Backlight module and display device | |
| KR20120062283A (en) | An liquid crystal display device and the manufacturing method thereof | |
| KR100662788B1 (en) | High brightness liquid crystal display device | |
| US10247986B2 (en) | Backlight module | |
| KR20110049427A (en) | A backlight unit and a display unit | |
| CN103941474A (en) | Manufacturing method for shading adhesive tape and backlight module of shading adhesive tape | |
| CN105278185A (en) | Liquid crystal screen and gate COF structure assembly and liquid crystal display device | |
| CN202532336U (en) | Backlight module and display device | |
| CN102305982A (en) | Liquid crystal display device | |
| CN106405721A (en) | Light guide plate and backlight module group | |
| US8553173B2 (en) | Liquid crystal display | |
| US20100165248A1 (en) | Backlight unit and liquid crystal display device having the same | |
| CN204515302U (en) | Novel backlight module displays device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |