CN104456426A - Light guide plate, backlight module and displayer - Google Patents
Light guide plate, backlight module and displayer Download PDFInfo
- Publication number
- CN104456426A CN104456426A CN201410655673.0A CN201410655673A CN104456426A CN 104456426 A CN104456426 A CN 104456426A CN 201410655673 A CN201410655673 A CN 201410655673A CN 104456426 A CN104456426 A CN 104456426A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- plate body
- blooming piece
- barricade
- 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
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Classifications
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide plate. The light guide plate comprises a plate body and a pair of retaining walls, wherein the plate body and the retaining walls are integrally formed. The plate body comprises a pair of opposite first sides and second sides connected between the first sides. The retaining walls are arranged on the first sides in a protruding mode and used for positioning an optical diaphragm arranged on the plate body, and the second sides serve as light inlet sides of the light guide plate and are used for making contact with light sources. The invention further discloses a backlight module and a displayer. The backlight module and the displayer are provided with narrow borders and have the advantage of being easy to assemble.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly a kind of light guide plate, backlight module and display.
Background technology
At present, liquid crystal indicator has been widely used in various electronic product as the display unit of electronic equipment, and along with the development that electronic product is lightening, the frame of electronic equipment is designed to be more and more narrow.Backlight module is then a vitals in liquid crystal indicator, and the frame of backlight module also certainly will be more and more narrow.
Backlight module of the prior art includes glue frame, and light guide plate is surrounded by glue frame, and lamp source flexible PCB is fixed on described light guide plate and glue frame by shading rubber belt, and blooming piece is also fixed on glue frame by shading two-sided tape.Visible glue frame, as the supporting body of carrying light guide plate, lamp source flexible PCB and blooming piece, is the important component part of backlight module.But the meat due to glue frame is thick more and more thinner, difficult forming, and easily damages in assembling process.
Therefore, how to design a kind of backlight module, there is narrow frame, and be easy to the advantage of assembling, for industry continues the problem of research.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light guide plate, backlight module and display, makes backlight module and display have narrow frame, and has the advantage being easy to assemble.
To achieve these goals, embodiment of the present invention provides following technical scheme:
On the one hand, the invention provides a kind of light guide plate, described light guide plate comprises integrated plate body and a pair barricade, described plate body comprises the first limit of pair of opposing and is connected to described to the Second Edge between the first limit, described barricade is based in respectively described to the first limit place, described to barricade for locating the blooming piece be located on described plate body, described Second Edge enters plain edge for contacting light source as described light guide plate.
Wherein, each described barricade include at least two each other interval arrange block, form breach between two adjacent described blocks, described breach is for locating described blooming piece.
Wherein, the outer surface reflectance coating of described barricade.
Wherein, the bottom surface of described breach is provided with shading double faced adhesive tape, and described shading double faced adhesive tape is adhered between described blooming piece and described light guide plate.
Wherein, the end face of described plate body is for carrying described blooming piece, and the coated on bottom side of described plate body is covered with reflectance coating, and the end face of described plate body is provided with equal photo structure, and the light that described light guide plate is derived is even.
On the other hand, the present invention also provides a kind of backlight module, comprise backboard, blooming piece and light source, described backlight module also comprises the light guide plate described in above-mentioned any one, described light guide plate is located on described backboard, and described blooming piece is positioned the described between barricade of described light guide plate, and described blooming piece and the stacked setting of described plate body, described light source is located on described backboard, and adjacent with the described Second Edge of described plate body.
On the other hand, the present invention also provides a kind of display, comprise the backlight module described in above-mentioned any one and display floater, described display floater is located on described backlight module, and is fixed by double faced adhesive tape between the end face of the described barricade of described display floater and described light guide plate.
The present invention by described light guide plate being designed to there is the plate body of integrated formed structure and the structure of a pair barricade, described to barricade for locating the blooming piece be located on described plate body, described Second Edge enters plain edge for contacting light source as described light guide plate.Carry out positioning optical diaphragm by barrier wall structure integrated on light guide plate, make backlight module and display without the need to frame, can assembling flow path be simplified, reduce costs.And make display have the beneficial effect of narrow frame.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the light guide plate schematic diagram in one embodiment of the present invention.
Fig. 2 is the schematic cross-section of the backlight module in one embodiment of the present invention.
Fig. 3 is the schematic cross-section of the other direction of the backlight module shown in Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to Fig. 1, the invention provides a kind of light guide plate 100, described light guide plate 100 comprises integrated plate body 20 and a pair barricade 40, described plate body 20 comprises the first limit 21 of pair of opposing and is connected to described to the Second Edge 22 between the first limit 21, described barricade 40 is based in respectively described to the first limit 21 place, described to barricade 40 for locating the blooming piece 50 (as shown in Figures 2 and 3) be located on described plate body 20, described Second Edge 22 enters plain edge for contacting light source (not shown) as described light guide plate 100.
In present embodiment, the plate body 20 of light guide plate 100 is rectangle laminated structure, forms receiving space between plate body 20 and barricade 40, for accommodating blooming piece 50 (as shown in Figures 2 and 3).Blooming piece 50 can be polytype stacked setting, such as diffusion sheet, prismatic lens, polaroid etc.
The present invention is by being designed to have the plate body 20 of integrated formed structure and the structure of a pair barricade 40 by described light guide plate 100, described to barricade 40 for locating the blooming piece 50 be located on described plate body 20, described Second Edge 22 enters plain edge for contacting light source as described light guide plate 100.Carry out positioning optical diaphragm 50 by barricade 40 structure integrated on light guide plate 100, make backlight module and display without the need to frame, can assembling flow path be simplified, reduce costs.And make to use the display of described light guide plate 100 to have the beneficial effect of narrow frame.
Specifically, each described barricade 40 include at least two each other interval arrange block 42, form breach 44 between adjacent two described blocks 42, described breach 44 is for locating described blooming piece 50.At least two blocks 42 in each barricade 40 are arranged on same straight line.Accordingly, the edge of blooming piece 50 is provided with location division, namely protrudes the lug arranged at blooming piece edge.During assembling, by the location division alignment notch 44 of blooming piece 50, then blooming piece 50 is placed directly on light guide plate 100, the location division of blooming piece 50 is fallen in breach 44, achieve the location of blooming piece 50 in the horizontal plane.And then by installing display floater above blooming piece 50, make blooming piece 50 be folded between display floater and light guide plate 100, to realize the location of blooming piece 50 vertical direction.The setting of breach 44, makes in an assembling process, can quick position between blooming piece 50 and light guide plate 100.
In a kind of embodiment, the outer surface reflectance coating of described barricade 40.Reflectance coating can improve the utilization rate of light.
In a kind of embodiment, the bottom surface of described breach 44 is provided with shading double faced adhesive tape (not shown), and described shading double faced adhesive tape is adhered between described blooming piece 50 and described light guide plate 100.Shading double faced adhesive tape not only can reinforce the location of blooming piece 50, blooming piece 50 is not offset, does not depart from light guide plate 100, and shading double faced adhesive tape also can prevent at breach 44 place light leak.
Furthermore, the end face of described plate body 20 is for carrying described blooming piece 50, and the coated on bottom side of described plate body 20 is covered with reflectance coating, and the end face of described plate body 20 is provided with equal photo structure, and the light that described light guide plate 100 is derived is even.Reflectance coating also usable reflectance sheet 60 is replaced, as shown in Figures 2 and 3.
Refer to Fig. 2 and Fig. 3, the present invention also provides a kind of backlight module, comprise backboard 70, blooming piece 50, light source (not shown) and described light guide plate 100, described light guide plate 100 is located on described backboard 70, described blooming piece 50 is positioned the described between barricade 40 of described light guide plate 100, and described blooming piece 50 and the stacked setting of described plate body 20, described light source is located on described backboard 70, and adjacent with the described Second Edge 22 of described plate body 20.
The present invention also provides a kind of display, comprises described backlight module and display floater, and described display floater is located on described backlight module, and is fixed by double faced adhesive tape between the end face of the described barricade 40 of described display floater and described light guide plate 100.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (7)
1. a light guide plate, it is characterized in that, described light guide plate comprises integrated plate body and a pair barricade, described plate body comprises the first limit of pair of opposing and is connected to described to the Second Edge between the first limit, described barricade is based in respectively described to the first limit place, described to barricade for locating the blooming piece be located on described plate body, described Second Edge enters plain edge for contacting light source as described light guide plate.
2. light guide plate as claimed in claim 1, is characterized in that, each described barricade includes at least two blocks of arranging of interval each other, and form breach between two adjacent described blocks, described breach is for locating described blooming piece.
3. light guide plate as claimed in claim 1, is characterized in that, the outer surface reflectance coating of described barricade.
4. light guide plate as claimed in claim 1, it is characterized in that, the bottom surface of described breach is provided with shading double faced adhesive tape, and described shading double faced adhesive tape is adhered between described blooming piece and described light guide plate.
5. light guide plate as claimed in claim 1, it is characterized in that, the end face of described plate body is for carrying described blooming piece, and the coated on bottom side of described plate body is covered with reflectance coating, and the end face of described plate body is provided with equal photo structure, and the light that described light guide plate is derived is even.
6. a backlight module, comprise backboard, blooming piece and light source, it is characterized in that, described backlight module comprises the light guide plate as described in claim 1 to claim 5 any one, described light guide plate is located on described backboard, and described blooming piece is positioned the described between barricade of described light guide plate, and described blooming piece and the stacked setting of described plate body, described light source is located on described backboard, and adjacent with the described Second Edge of described plate body.
7. a display, it is characterized in that, described display comprises backlight module as claimed in claim 6 and display floater, and described display floater is located on described backlight module, and is fixed by double faced adhesive tape between the end face of the described barricade of described display floater and described light guide plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655673.0A CN104456426A (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and displayer |
| PCT/CN2014/092610 WO2016078129A1 (en) | 2014-11-17 | 2014-11-29 | Light guide plate, backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655673.0A CN104456426A (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and displayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456426A true CN104456426A (en) | 2015-03-25 |
Family
ID=52902914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410655673.0A Pending CN104456426A (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and displayer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104456426A (en) |
| WO (1) | WO2016078129A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819440A (en) * | 2015-05-07 | 2015-08-05 | 武汉华星光电技术有限公司 | Light guide plate, manufacturing method for light guide plate and backlight module |
| CN105005111A (en) * | 2015-08-11 | 2015-10-28 | 深圳科利盟电子有限公司 | Light guiding plate and backlight module group using the same |
| CN107390434A (en) * | 2017-09-19 | 2017-11-24 | 京东方科技集团股份有限公司 | Backlight module and its assemble method and display panel |
| CN109413241A (en) * | 2018-11-23 | 2019-03-01 | 武汉华星光电技术有限公司 | Mobile terminal |
| CN110531460A (en) * | 2019-07-29 | 2019-12-03 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN110609409A (en) * | 2019-03-06 | 2019-12-24 | 友达光电股份有限公司 | Frame structure and display device with same |
| WO2021258925A1 (en) * | 2020-06-23 | 2021-12-30 | 京东方科技集团股份有限公司 | Backplane, backlight module, and display device |
| CN115145071A (en) * | 2021-03-30 | 2022-10-04 | 京东方科技集团股份有限公司 | Display module and display device |
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| JP2007220369A (en) * | 2006-02-14 | 2007-08-30 | Seiko Instruments Inc | Lighting system and display device equipped with it |
| CN200972512Y (en) * | 2006-08-18 | 2007-11-07 | 胜华科技股份有限公司 | Light plate and backlight module |
| CN201251635Y (en) * | 2008-09-11 | 2009-06-03 | 胜华科技股份有限公司 | Light guiding device and backlight module |
| CN102498333A (en) * | 2009-09-15 | 2012-06-13 | 夏普株式会社 | Liquid crystal display device |
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| CN1924665A (en) * | 2005-09-02 | 2007-03-07 | 中华映管股份有限公司 | Backlight module and liquid crystal display module |
| US7671936B2 (en) * | 2006-09-21 | 2010-03-02 | Hannstar Display Corp. | Liquid crystal display comprising at least one LED and a PCB and a frame having an opening with a narrow portion and a broad portion on a side surface of the frame and backlight module having the same |
| CN203375279U (en) * | 2013-07-24 | 2014-01-01 | 合肥京东方光电科技有限公司 | Positioning assembly, backlight module and display device |
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2014
- 2014-11-17 CN CN201410655673.0A patent/CN104456426A/en active Pending
- 2014-11-29 WO PCT/CN2014/092610 patent/WO2016078129A1/en active Application Filing
Patent Citations (5)
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| JP2007220369A (en) * | 2006-02-14 | 2007-08-30 | Seiko Instruments Inc | Lighting system and display device equipped with it |
| CN200972512Y (en) * | 2006-08-18 | 2007-11-07 | 胜华科技股份有限公司 | Light plate and backlight module |
| CN201251635Y (en) * | 2008-09-11 | 2009-06-03 | 胜华科技股份有限公司 | Light guiding device and backlight module |
| CN102498333A (en) * | 2009-09-15 | 2012-06-13 | 夏普株式会社 | Liquid crystal display device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819440B (en) * | 2015-05-07 | 2017-12-05 | 武汉华星光电技术有限公司 | Light guide plate and preparation method thereof, backlight module |
| CN104819440A (en) * | 2015-05-07 | 2015-08-05 | 武汉华星光电技术有限公司 | Light guide plate, manufacturing method for light guide plate and backlight module |
| CN105005111A (en) * | 2015-08-11 | 2015-10-28 | 深圳科利盟电子有限公司 | Light guiding plate and backlight module group using the same |
| US11243431B2 (en) | 2017-09-19 | 2022-02-08 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight module, method for assembling the same, and display panel |
| WO2019056832A1 (en) * | 2017-09-19 | 2019-03-28 | 京东方科技集团股份有限公司 | Backlight module and assembly method thereof, and display panel |
| CN107390434A (en) * | 2017-09-19 | 2017-11-24 | 京东方科技集团股份有限公司 | Backlight module and its assemble method and display panel |
| CN109413241A (en) * | 2018-11-23 | 2019-03-01 | 武汉华星光电技术有限公司 | Mobile terminal |
| US11563837B2 (en) | 2018-11-23 | 2023-01-24 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Mobile terminal |
| CN110609409A (en) * | 2019-03-06 | 2019-12-24 | 友达光电股份有限公司 | Frame structure and display device with same |
| CN110531460A (en) * | 2019-07-29 | 2019-12-03 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN110531460B (en) * | 2019-07-29 | 2024-04-30 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2021258925A1 (en) * | 2020-06-23 | 2021-12-30 | 京东方科技集团股份有限公司 | Backplane, backlight module, and display device |
| CN115145071A (en) * | 2021-03-30 | 2022-10-04 | 京东方科技集团股份有限公司 | Display module and display device |
| CN115145071B (en) * | 2021-03-30 | 2023-11-07 | 京东方科技集团股份有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016078129A1 (en) | 2016-05-26 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |