CN103277747A - Backlight module and membrane positioning structure thereof - Google Patents
Backlight module and membrane positioning structure thereof Download PDFInfo
- Publication number
- CN103277747A CN103277747A CN201310148170XA CN201310148170A CN103277747A CN 103277747 A CN103277747 A CN 103277747A CN 201310148170X A CN201310148170X A CN 201310148170XA CN 201310148170 A CN201310148170 A CN 201310148170A CN 103277747 A CN103277747 A CN 103277747A
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- China
- Prior art keywords
- diaphragm
- reference column
- base
- elastomer
- guide hole
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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
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/46—Fixing elements
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- Physics & Mathematics (AREA)
- Nonlinear 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 provides a membrane positioning structure which comprises a backplane and a positioning piece, wherein the positioning piece comprises a base and a positioning column, the base is fixedly connected with the backplane, and the positioning column is arranged on the base in a telescopic mode and protrudes out of one side, facing towards a membrane, of the backplane. According to the membrane positioning structure, the membrane is positioned through the telescopic positioning column arranged on the base; when the membrane is assembled, the positioning column stretches outwards to provide a larger length for positioning of the membrane, and tripping and displacement of the membrane can be prevented; labor-hour waste and quality abnormal damage brought by the tripping and the displacement of the membrane are effectively reduced, productivity and the yield of products are improved, and the optical quality of a backlight module is guaranteed. The invention further provides the backlight module with the membrane positioning structure.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of module backlight and diaphragm location structure thereof.
Background technology
Module backlight mainly is made up of related devices such as light emitting source, reflector plate, blooming piece, LGP, backboards.It is cohesion light that the blooming piece of tool prism structure mainly acts on, and the optical brightening diaphragm of part type and polaroid collocation can will can't see through polarised light reflection, recovery, the recycling of polarizer, to improve the effective rate of utilization of light.This just requires the blooming piece location and installation accurate, and installation accuracy is had relatively high expectations.
At present, module backlight is in assembling process, and the locate mode of most blooming pieces is to use the rivet post on the backboard to finish.Have locating hole on the blooming piece, the rivet post passes locating hole, realizes the location to blooming piece.Yet, design of backlight module is tending towards slimming, make that the height of rivet post can not be too high, rivet post upper end is exposed 0.5 ~ 0.8 millimeter usually, in the actual assembled process, the problem of diaphragm escape, displacement appears in module backlight easily in moving process, cause occurring problems such as diaphragm fold, warpage.
Summary of the invention
Main purpose of the present invention is to provide a kind of module backlight and diaphragm location structure thereof, is intended to prevent the blooming piece escape, guarantees the optical quality of module backlight.
To achieve these goals, the invention provides a kind of diaphragm location structure, comprise backboard and keeper, described keeper comprises base and reference column, described base is fixedlyed connected with backboard, and described reference column telescopically is arranged on the described base and protrudes from described backboard towards a side of diaphragm.
Preferably, described keeper further comprises elastomer, and described base is provided with guide hole, and described elastomer and described reference column are located in the described guide hole successively, and described elastomer is located between the bottom surface and described reference column of described guide hole.
Preferably, described elastomer is spring.
Preferably, described base comprises that pedestal reaches by going up the cylinder that extends in the middle part of described pedestal, and described guide hole is located on the described cylinder.
The present invention also provides a kind of module backlight, comprise diaphragm location structure, reflector plate, LGP and diaphragm, described diaphragm location structure comprises backboard and keeper, described keeper comprises base and reference column, described base is fixedlyed connected with backboard, described reference column telescopically is arranged on the described base and protrudes from described backboard towards a side of diaphragm, described reflector plate, LGP and diaphragm are positioned on the described backboard successively, described diaphragm is provided with the locating hole suitable with described reference column, and described diaphragm cooperates the location by described locating hole with described reference column.
In the above-mentioned module backlight, preferably, described keeper further comprises elastomer, and described base is provided with guide hole, and described elastomer and described reference column are located in the described guide hole successively, and described elastomer is located between the bottom surface and described reference column of described guide hole.
In the above-mentioned module backlight, preferably, described elastomer is spring.
In the above-mentioned module backlight, preferably, described base comprises pedestal and by going up the cylinder that extends in the middle part of described pedestal, described guide hole is located on the described cylinder.
In the above-mentioned module backlight, preferably, described module backlight also comprises the glue frame of being located at described diaphragm top, and described reference column is inwardly indentation under the effect that compresses of described glue frame.
In the above-mentioned module backlight, preferably, the outer end of described reference column be not subjected to described glue frame to exceed 2 ~ 5 millimeters than the outermost surface of described diaphragm before compressing.
The present invention's module backlight and diaphragm location structure thereof, by being set at base, telescopic positioning post comes diaphragm is positioned, when the assembling diaphragm, reference column is protruding to provide longer length to locate for diaphragm, can prevent diaphragm escape, displacement, effectively reduce the waste in man-hour and the quality abnormal damage that bring because of diaphragm escape, displacement, improve production capacity and product yield, guarantee the optical quality of module backlight.When assembling glue frame, reference column is inwardly indentation under the effect that compresses of glue frame, thereby can not influence the assembling of glue frame.
Description of drawings
Fig. 1 does not wherein arrange the glue frame for the structural representation of the present invention's module one preferred embodiment backlight.
Fig. 2 is the structural representation of diaphragm location structure in the module backlight shown in Figure 1.
Fig. 3 is the structural representation of module backlight shown in Figure 1 after the glue frame is set.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that the specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
As shown in Figure 1 to Figure 3, be a preferred embodiment of the present invention's module backlight.
Module backlight comprises diaphragm location structure 10, reflector plate 20, LGP 30 and diaphragm 40.
As shown in Figure 3, module backlight also comprises the glue frame 50 of being located at diaphragm 40 tops, and reference column 122 is inwardly indentation under the effect that compresses of glue frame 50.As shown in Figure 2, preferentially, reference column 122 outer ends be not subjected to glue frame 50 to exceed 2 ~ 5 millimeters than the outermost surface of diaphragm 40 before compressing.Behind assembling glue frame 50, reference column 122 is inside indentation one segment distance under the effect that compresses of glue frame 50, makes reference column 122 only exceed 0.5 ~ 0.8 millimeter than diaphragm, thereby meets the installation requirement of glue frame 50.
Above-mentioned module backlight and diaphragm location structure thereof, by being set at base, telescopic positioning post comes diaphragm is positioned, when the assembling diaphragm, reference column is protruding to provide longer length to locate for diaphragm, can prevent diaphragm escape, displacement, effectively reduce the waste in man-hour and the quality abnormal damage that bring because of diaphragm escape, displacement, improve production capacity and product yield, guarantee the optical quality of module backlight.When assembling glue frame, reference column is inwardly indentation under the effect that compresses of glue frame, thereby can not influence the assembling of glue frame.
The present invention is not limited to above embodiment, under the disclosed technology contents of above-mentioned embodiment, can also carry out various variations.Every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. diaphragm location structure, it is characterized in that comprise backboard and keeper, described keeper comprises base and reference column, described base is fixedlyed connected with backboard, and described reference column telescopically is arranged on the described base and protrudes from described backboard towards a side of diaphragm.
2. diaphragm location structure as claimed in claim 1, it is characterized in that described keeper further comprises elastomer, described base is provided with guide hole, described elastomer and described reference column are located in the described guide hole successively, and described elastomer is located between the bottom surface and described reference column of described guide hole.
3. diaphragm location structure as claimed in claim 2 is characterized in that, described elastomer is spring.
4. diaphragm location structure as claimed in claim 2 is characterized in that, described base comprises pedestal and by going up the cylinder that extends in the middle part of described pedestal, described guide hole is located on the described cylinder.
5. module backlight, comprise diaphragm location structure, reflector plate, LGP and diaphragm, it is characterized in that, described diaphragm location structure comprises backboard and keeper, described keeper comprises base and reference column, described base is fixedlyed connected with backboard, described reference column telescopically is arranged on the described base and protrudes from described backboard towards a side of diaphragm, described reflector plate, LGP and diaphragm are positioned on the described backboard successively, described diaphragm is provided with the locating hole suitable with described reference column, and described diaphragm cooperates the location by described locating hole with described reference column.
6. module backlight as claimed in claim 5, it is characterized in that described keeper further comprises elastomer, described base is provided with guide hole, described elastomer and described reference column are located in the described guide hole successively, and described elastomer is located between the bottom surface and described reference column of described guide hole.
7. module backlight as claimed in claim 6 is characterized in that, described elastomer is spring.
8. module backlight as claimed in claim 6 is characterized in that, described base comprises pedestal and by going up the cylinder that extends in the middle part of described pedestal, described guide hole is located on the described cylinder.
9. module backlight as claimed in claim 6 is characterized in that, described module backlight also comprises the glue frame of being located at described diaphragm top, and described reference column is inwardly indentation under the effect that compresses of described glue frame.
10. module backlight as claimed in claim 9 is characterized in that, the outer end of described reference column be not subjected to described glue frame to exceed 2 ~ 5 millimeters than the outermost surface of described diaphragm before compressing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148170XA CN103277747A (en) | 2013-04-25 | 2013-04-25 | Backlight module and membrane positioning structure thereof |
| PCT/CN2013/078055 WO2014172993A1 (en) | 2013-04-25 | 2013-06-26 | Backlight module and membrane positioning structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148170XA CN103277747A (en) | 2013-04-25 | 2013-04-25 | Backlight module and membrane positioning structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103277747A true CN103277747A (en) | 2013-09-04 |
Family
ID=49060339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310148170XA Pending CN103277747A (en) | 2013-04-25 | 2013-04-25 | Backlight module and membrane positioning structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103277747A (en) |
| WO (1) | WO2014172993A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456310A (en) * | 2014-11-21 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Backlight source and display device |
| CN110346974A (en) * | 2019-07-03 | 2019-10-18 | 江苏科森光电科技有限公司 | A kind of backlight module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535851U (en) * | 2009-09-14 | 2010-07-28 | 北京京东方光电科技有限公司 | Liquid crystal display |
| CN102494309A (en) * | 2011-12-15 | 2012-06-13 | 深圳市华星光电技术有限公司 | Fixing device and backlight module employing same |
| CN102891976A (en) * | 2012-09-24 | 2013-01-23 | 深圳市华星光电技术有限公司 | Display |
| CN102913821A (en) * | 2012-10-24 | 2013-02-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101750461B1 (en) * | 2010-08-25 | 2017-06-26 | 삼성디스플레이 주식회사 | Back light assembly and liquid crystal display including the same |
| WO2012073817A1 (en) * | 2010-12-03 | 2012-06-07 | シャープ株式会社 | Illumination device, display device and television receiving device |
| CN202149421U (en) * | 2011-08-16 | 2012-02-22 | 青岛海信电器股份有限公司 | Backlight module |
| CN102563468B (en) * | 2012-02-16 | 2015-04-22 | 深圳市华星光电技术有限公司 | Side-light type backlight module and liquid crystal display device |
-
2013
- 2013-04-25 CN CN201310148170XA patent/CN103277747A/en active Pending
- 2013-06-26 WO PCT/CN2013/078055 patent/WO2014172993A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535851U (en) * | 2009-09-14 | 2010-07-28 | 北京京东方光电科技有限公司 | Liquid crystal display |
| CN102494309A (en) * | 2011-12-15 | 2012-06-13 | 深圳市华星光电技术有限公司 | Fixing device and backlight module employing same |
| CN102891976A (en) * | 2012-09-24 | 2013-01-23 | 深圳市华星光电技术有限公司 | Display |
| CN102913821A (en) * | 2012-10-24 | 2013-02-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456310A (en) * | 2014-11-21 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Backlight source and display device |
| CN110346974A (en) * | 2019-07-03 | 2019-10-18 | 江苏科森光电科技有限公司 | A kind of backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014172993A1 (en) | 2014-10-30 |
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Application publication date: 20130904 |