CN101071227A - Backlight module and its assemblding method - Google Patents
Backlight module and its assemblding method Download PDFInfo
- Publication number
- CN101071227A CN101071227A CN 200610060617 CN200610060617A CN101071227A CN 101071227 A CN101071227 A CN 101071227A CN 200610060617 CN200610060617 CN 200610060617 CN 200610060617 A CN200610060617 A CN 200610060617A CN 101071227 A CN101071227 A CN 101071227A
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- layer optical
- backlight
- optical membrane
- module
- blooming piece
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Abstract
The invention is a backlight module, comprising an optical diaphragm group and a frame holding the optical diaphragm group, where the optical diaphragm group, where the optical diaphragm group is stacked of multiple optical diaphragm layers and the edge of the optical diaphragm group has an integrated salient formed by salient units on the edges of these diaphragms; and the frame has a groove to hold the salient.
Description
Technical field
The present invention relates to the assemble method of a kind of module backlight and this module backlight.
Background technology
The liquid crystal material of no autoluminescence character has been widely used in as TV, computing machine, mobile phone and personal digital assistant (Personal Digital Assistant, PDA) etc. on the LCD of employed different size, and in order to reach the video picture purpose, the module backlight of must arranging in pairs or groups provides and shows required light source.Simultaneously, for high brightness and the brightness uniformity requirement that reaches demonstration, industry is utilized blooming piece such as prismatic lens, diffusion sheet etc. to carry out bright dipping usually and is regulated.
See also Fig. 1 and Fig. 2, Fig. 1 is a kind of part sectioned view of prior art LCD, and Fig. 2 is confined explosion's synoptic diagram of LCD shown in Figure 1.This LCD 10 comprises a liquid crystal panel 11, multi-layer optical membrane 12, a light guide plate 13, a reflector plate 14, a glue frame 15 and a metal outer frame 16.This liquid crystal panel 11, multi-layer optical membrane 12, light guide plate 13 are cascading from top to bottom with reflector plate 14.This glue frame 15 is hollow, rectangular structures, and it is used for accommodating and locatees this multi-layer optical membrane 12, this light guide plate 13 and this reflector plate 14.This metal outer frame 16 is used for fixing this glue frame 15, and exposes the display surface of this liquid crystal panel 11.
This blooming piece 12 has a plurality of outstanding unit 121, and its avris from this blooming piece 12 extends, and correspondence is provided with a pilot hole 122 on this outstanding unit 121.
This glue frame 15 has a plurality of grooves 151 and a plurality of retaining piece 153 corresponding with the outstanding unit of this blooming piece 12 121.This groove 151 is positioned on the side of this glue frame 15.This groove 151 is provided with a reference column 152 corresponding with this pilot hole 122.This retaining piece 153 is one to may be stuck in " L " type bending structure on this groove 151, and it comprises a horizontal component 1531 and a vertical part 1532 vertical with this horizontal component 1531, and this horizontal component 1531 is provided with a through hole 154.
During assembling, this groove 151 is accommodated the outstanding unit 121 of this blooming piece 12, and this reference column 152 passes the pilot hole 122 of this blooming piece 12, is used for locating and fixing this blooming piece 12.This retaining piece 153 is stuck in this groove that contains blooming piece 12 151 places, and its through hole 154 is accommodated this reference column 152.
Yet, the reference column 152 that is used for locating and fixes this blooming piece 12 is arranged on this glue frame 15, this glue frame 15 is squeezed in assembling or handling process easily and deforms, thereby reference column 152 is deformed, then be subjected to displacement during this blooming piece 12 even be out of shape in the location, each blooming piece 12 is damaged because of rubbing mutually, influence the display effect of this LCD 10.
Summary of the invention
In order to solve prior art module blooming piece backlight, be necessary to provide a kind of impaired module backlight of blooming piece of avoiding easily because of the impaired problem of phase mutual friction.
In addition, also be necessary to provide a kind of impaired module group assembling method backlight of blooming piece of avoiding.
A kind of module backlight, it comprises that an optical diaphragm group and accommodates the framework of this optical diaphragm group.This optical diaphragm group is formed by the stacked setting of multi-layer optical membrane, and its edge has the be combined into one teat of structure of an outstanding unit by this multi-layer optical membrane edge.This framework has the groove of accommodating this optical diaphragm group teat.
A kind of module group assembling method backlight, it may further comprise the steps: step 1, provide a module backlight required primary element, it comprises a light guide plate, a light-emitting component, multi-layer optical membrane and a framework, and wherein the edge of this multi-layer optical membrane has a plurality of extensions; Step 2, this multi-layer optical membrane of stack location; Step 3 utilizes a fixture to fix the extension of this multi-layer optical membrane, makes its structure in aggregates; Step 4 cuts the multi-layer optical membrane after fixing, and makes it meet required size; Step 5 utilizes a framework to accommodate fixedly to comprise each element of module backlight of this blooming piece.
This module backlight is to utilize fixture to fix the extension of each blooming piece and make its structure that is combined into one, and promptly forms this optical diaphragm group.Utilize the groove of a framework to engage this optical diaphragm group again.Because this optical diaphragm group is an one-piece construction, the situation of certain a slice blooming piece displacement and distortion can not take place because of the distortion of framework in it, thereby has avoided between each blooming piece guaranteeing its optical characteristics because of the impaired situation of phase mutual friction takes place.
Description of drawings
Fig. 1 is a kind of part sectioned view of prior art LCD.
Fig. 2 is confined explosion's synoptic diagram of LCD shown in Figure 1.
Fig. 3 is the exploded perspective view of the present invention's module first embodiment backlight.
Fig. 4 is the assembly drawing of module backlight shown in Figure 3.
Fig. 5 is the enlarged diagram of V part among Fig. 3.
Fig. 6 is the local enlarged diagram of the optical diaphragm group teat of the present invention's module second embodiment backlight.
Fig. 7 is the assemble method process flow diagram of the present invention's module backlight.
Fig. 8 is the schematic perspective view of the blooming piece of module backlight.
Fig. 9 is the synoptic diagram of a location tool positioned blooming piece.
Embodiment
See also Fig. 3 and Fig. 4, Fig. 3 is the exploded perspective view of the present invention's module first embodiment backlight.Fig. 4 is the assembly drawing of module backlight shown in Figure 3.This module 20 backlight comprises the flexible circuit board 26 of an optical diaphragm group 22, a light guide plate 23, a framework 24, a reflector plate 25 and a carrying light emitting diode 27.This framework 24 is glue frames, and it is used for accommodating optical diaphragm group 22, the light guide plate 23 and this reflector plate 25 that is cascading.This flexible circuit board 26 is positioned at this light guide plate 23 1 sides, and is housed in this framework 24.
Seeing also Fig. 5, is the enlarged diagram of V part among Fig. 3.This optical diaphragm group 22 is to be formed by the stacked setting of multi-layer optical membrane, and its tool one teat 221 and one is coated in the fixing glue 223 on these teat 221 surfaces.This teat 221 is also by extending from the outstanding unit of each corresponding position, blooming piece edge be combined into, it comprise one with perpendicular side 224, these optical diaphragm group 22 surfaces and with two relative surperficial 225,226 of these side 224 vertical connections.This fixing glue 223 is one to have the colloid of viscosity, and it is coated on the side 224 of this teat 221, thereby the outstanding unit of multi-layer optical membrane is combined into one.
This framework 24 is rectangle frameworks, it comprise end to end four sidewalls 241 with from extended four barricades 242 of these four sidewalls, 241 Surface Vertical.This four sidewall 241 defines a coffin 245 that is used for accommodating these module 20 each elements backlight, and it comprises that one of continuous distribution accommodates the second area 2452 that this flexible circuit board 26 is accommodated in this optical diaphragm group 22, this light guide plate 23 and the first area 2451 and of this reflector plate 25.This sidewall 241 is provided with a plurality of grooves 243.This groove 243 is corresponding with the teat 22 1 of this optical diaphragm group 22, is used for accommodating the teat 221 of this optical diaphragm group 22.
After the assembling, the first area 2451 of this framework 24 is accommodated this optical diaphragm group 22, this light guide plate 23 and this reflector plate 25 that is cascading from top to bottom, 2452 of this second areas are accommodated the flexible circuit board 26 that carries this diode 27, and make this light emitting diode 27 be positioned at this light guide plate 23 1 sides.
This module 20 backlight is to utilize fixing glue 223 to fix each blooming piece and make it in aggregates, promptly forms this optical diaphragm group 22.Utilize the teat 221 of groove 243 these optical diaphragm group 22 of engaging of framework 24 again.Because thereby the side 224 that this optical diaphragm group 22 utilizes a fixing glue 223 to be coated in this teat 221 constitutes an one-piece construction, the situation of certain a slice blooming piece displacement and distortion can not take place because of the distortion of framework 24 in it, thereby avoided between each blooming piece the phase mutual friction takes place and impaired, guaranteed its optical characteristics.
Seeing also Fig. 6, is the local enlarged diagram of the optical diaphragm group teat of the present invention's module second embodiment backlight.This second embodiment is similar substantially to this first embodiment, and its difference is: the teat 321 of this optical diaphragm group 32 utilizes an elastic rubber sleeve 323 clampings, thereby the teat 321 of this optical diaphragm group 32 is combined into one.This elastic rubber sleeve 323 is one " ㄩ " type structure, and it blocks the relative surface 325,326 with two, side 324 of this teat 321.
Seeing also Fig. 7, is the flow chart of steps of the present invention's module group assembling method backlight.The number of assembling steps of this module backlight comprises: provide a module backlight required primary element, it comprises a light guide plate, a light-emitting component, multi-layer optical membrane and a framework, and wherein the edge of this multi-layer optical membrane has a plurality of extensions (step 200); Utilize the multi-layer optical membrane (step 201) after a location tool positioned superposes; Utilize fixture to fix the extension (step 202) of this multi-layer optical membrane; Cut the multi-layer optical membrane after fixing, make it meet required size (step 203); Accommodate and fix each element (step 204) of module backlight with framework.Each step is specially:
(1) provide module backlight required primary element, it comprises a light guide plate, a light-emitting component, multi-layer optical membrane and a framework, and wherein the edge of this multi-layer optical membrane has a plurality of extensions;
Seeing also Fig. 8, is the schematic perspective view of module blooming piece 28 backlight.The required multi-layer optical membrane of module backlight 28, a light guide plate, flexible circuit board, a reflector plate of a carrying light emitting diode and the framework of accommodating above-mentioned each element are provided.Wherein, this multi-layer optical membrane 28 has a plurality of extensions 281 and a plurality of location divisions 282.This extension 281 and location division 282 are extended the diverse location place from each blooming piece 28 edge respectively.This extension 281 comprise one with perpendicular side 284, this blooming piece 28 surfaces and vertical with this side 284 adjacent two relative surperficial 285,286.This location division 282 is provided with a pilot hole 283.
(2) utilize a multi-layer optical membrane 28 of locating after tool positioned superposes;
Seeing also Fig. 9, is the synoptic diagram of a location instrument 40 location blooming pieces 28.This orientation tool 40 is planar structures, and its area equates substantially with this blooming piece 28.This orientation tool 40 also has a plurality of and pilot hole 283 corresponding reference columns 401.During the location, each blooming piece 28 correspondence is laid on the surface of this orientation tool 40, passes each pilot hole 283 by this reference column 401 simultaneously and locate this blooming piece 28, thereby obtain the blooming piece 28 of the neat and stack of contraposition.
(3) utilize a fixture to fix the extension of this multi-layer optical membrane 28, make it in aggregates;
Utilize a fixture to fix the side 284 of blooming piece 28 extensions 281 after superposeing, thereby make each extension 281 of multi-layer optical membrane 28 form an one-piece construction.Its fixing means can utilize week decide the side 284 that glue applies the extension 281 of each blooming piece 28, also can utilize the elastic rubber sleeve of one " ㄩ " type structure to block the side 284 relative with two surperficial 285,286 of multi-layer optical membrane 28 extensions 281 after the stack.
(4) cut multi-layer optical membrane 28 after fixing, make it meet required size;
Cut the location division 282 and the edge of removing fixing back blooming piece 28 and remove part extension 281 with the bearing of trend of this extension 281, make the shape and the area of this extension 281 meet the groove structure that framework is accommodated this blooming piece 28, promptly form the structure of optical diaphragm group 22 as shown in Figure 3, and promptly form teat 221 structures of this optical diaphragm group 22 through cutting this extension 281 after fixing.
(5) utilize framework to accommodate and fix each element of module backlight.
Utilize the framework of module backlight to accommodate the multi-layer optical membrane after fixedly cutting 28, light guide plate and the reflector plate that is cascading from top to bottom.This flexible circuit board is arranged on this light guide plate one side, and is housed in this framework.Wherein, the extension after fixedly cutting 281 is fastened in the groove of this framework.
Claims (10)
1. module backlight, it comprises an optical diaphragm group that is formed by the stacked setting of multi-layer optical membrane and a framework of accommodating this optical diaphragm group, this optical diaphragm group edge has a teat, this framework has the groove of accommodating this teat, it is characterized in that: this teat is the one-piece construction by the outstanding unit be combined into of this multi-layer optical membrane edge.
2. module backlight as claimed in claim 1 is characterized in that: the outstanding unit of this multi-layer optical membrane edge extends from the same position place of each blooming piece, and is of similar shape.
3. module backlight as claimed in claim 1 is characterized in that: the side of this teat applies a viscous adhesive and constitutes an one-piece construction.
4. module backlight as claimed in claim 1 is characterized in that: this teat constitutes an one-piece construction by a gum cover clamping.
5. module group assembling method backlight, its step comprises: step 1, provide a module backlight required primary element, it comprises a light guide plate, a light-emitting component, multi-layer optical membrane and a framework, and wherein the edge of this multi-layer optical membrane has a plurality of extensions; Step 2, this multi-layer optical membrane of stack location; Step 3 utilizes a fixture to fix the extension of this multi-layer optical membrane, makes its structure in aggregates; Step 4 cuts the multi-layer optical membrane after fixing, and makes it meet required size; Step 5 utilizes a framework to accommodate fixedly to comprise each element of module backlight of this blooming piece.
6. module group assembling method backlight as claimed in claim 5, it is characterized in that: in the step 2, the location division that utilizes a location instrument and this multi-layer optical membrane be positioned at pilot hole on the location division to the multi-layer optical membrane location that superposes, this location division and this extension extend the diverse location from this blooming piece edge respectively.
7. module group assembling method backlight as claimed in claim 6, it is characterized in that: this orientation tool is a planar structure, its area equates substantially with this blooming piece, this orientation tool has and the corresponding reference column of this pilot hole, when locating this multi-layer optical membrane, this reference column passes the pilot hole of each blooming piece, makes this multi-layer optical membrane contraposition neat.
8. module group assembling method backlight as claimed in claim 6 is characterized in that: cut in the step 4 remove the location division with and remove the part extension along bearing of trend.
9. module group assembling method backlight as claimed in claim 5 is characterized in that: this fixture is a gelatin substance, and it is coated in the side of this extension.
10. module group assembling method backlight as claimed in claim 5 is characterized in that: this fixture is a gum cover, this extension of its clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610060617 CN101071227A (en) | 2006-05-12 | 2006-05-12 | Backlight module and its assemblding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610060617 CN101071227A (en) | 2006-05-12 | 2006-05-12 | Backlight module and its assemblding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101071227A true CN101071227A (en) | 2007-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610060617 Pending CN101071227A (en) | 2006-05-12 | 2006-05-12 | Backlight module and its assemblding method |
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| CN (1) | CN101071227A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587261B (en) * | 2008-05-23 | 2012-02-29 | 苏州璨宇光学有限公司 | Backlight module group |
| CN102384404A (en) * | 2010-06-14 | 2012-03-21 | Lg伊诺特有限公司 | Backlight unit and display device including the same |
| CN102705784A (en) * | 2012-06-06 | 2012-10-03 | 深圳市华星光电技术有限公司 | Optical module positioning structure, liquid crystal display device and manufacturing method of liquid crystal display device |
| CN103033961A (en) * | 2013-01-08 | 2013-04-10 | 深圳市华星光电技术有限公司 | Liquid crystal module and fixing device thereof |
| CN103148463A (en) * | 2012-10-16 | 2013-06-12 | 友达光电股份有限公司 | Frame body with removable positioning device, backlight module, display module and manufacturing method thereof |
| CN103148399A (en) * | 2011-12-06 | 2013-06-12 | 深圳市德仓科技有限公司 | Assembling method of backlight module |
| CN103175031A (en) * | 2012-12-21 | 2013-06-26 | 友达光电股份有限公司 | Backlight module and rubber frame structure thereof |
| CN103487992A (en) * | 2013-08-15 | 2014-01-01 | 瑞仪光电股份有限公司 | Frame device |
| CN103883939A (en) * | 2012-12-20 | 2014-06-25 | 苹果公司 | Light guide plate with blunt edges |
| CN104089217A (en) * | 2014-06-20 | 2014-10-08 | 北京京东方视讯科技有限公司 | Backlight source, backlight module and display device |
| CN104373870A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module optical film positioning structure, backlight module and display |
| US9057902B2 (en) | 2013-01-08 | 2015-06-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal module and fixing device |
| WO2018036170A1 (en) * | 2016-08-23 | 2018-03-01 | 京东方科技集团股份有限公司 | Film, backlight module, and display device |
| WO2018205837A1 (en) * | 2017-05-10 | 2018-11-15 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
| CN110989067A (en) * | 2019-05-28 | 2020-04-10 | 中国电子科技集团公司第五十五研究所 | Low-cost high-reliability optical combination structure |
| CN113946072A (en) * | 2021-10-28 | 2022-01-18 | 高创(苏州)电子有限公司 | Back plate, backlight module and display device |
-
2006
- 2006-05-12 CN CN 200610060617 patent/CN101071227A/en active Pending
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587261B (en) * | 2008-05-23 | 2012-02-29 | 苏州璨宇光学有限公司 | Backlight module group |
| CN102384404A (en) * | 2010-06-14 | 2012-03-21 | Lg伊诺特有限公司 | Backlight unit and display device including the same |
| CN102384404B (en) * | 2010-06-14 | 2015-06-17 | Lg伊诺特有限公司 | Backlight unit and display device including the same |
| CN103148399A (en) * | 2011-12-06 | 2013-06-12 | 深圳市德仓科技有限公司 | Assembling method of backlight module |
| CN102705784A (en) * | 2012-06-06 | 2012-10-03 | 深圳市华星光电技术有限公司 | Optical module positioning structure, liquid crystal display device and manufacturing method of liquid crystal display device |
| CN102705784B (en) * | 2012-06-06 | 2015-11-25 | 深圳市华星光电技术有限公司 | A kind of optical module location structure, liquid crystal indicator and preparation method thereof |
| CN103148463A (en) * | 2012-10-16 | 2013-06-12 | 友达光电股份有限公司 | Frame body with removable positioning device, backlight module, display module and manufacturing method thereof |
| CN103148463B (en) * | 2012-10-16 | 2014-12-10 | 友达光电股份有限公司 | Frame body with removable positioning device, backlight module, display module and manufacturing method thereof |
| CN103883939A (en) * | 2012-12-20 | 2014-06-25 | 苹果公司 | Light guide plate with blunt edges |
| CN103175031B (en) * | 2012-12-21 | 2015-11-25 | 友达光电股份有限公司 | Backlight module and rubber frame structure thereof |
| CN103175031A (en) * | 2012-12-21 | 2013-06-26 | 友达光电股份有限公司 | Backlight module and rubber frame structure thereof |
| US9057902B2 (en) | 2013-01-08 | 2015-06-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal module and fixing device |
| CN103033961A (en) * | 2013-01-08 | 2013-04-10 | 深圳市华星光电技术有限公司 | Liquid crystal module and fixing device thereof |
| CN103033961B (en) * | 2013-01-08 | 2016-04-13 | 深圳市华星光电技术有限公司 | A kind of liquid crystal module and stationary installation thereof |
| CN103487992B (en) * | 2013-08-15 | 2016-08-03 | 瑞仪(广州)光电子器件有限公司 | Frame device |
| CN103487992A (en) * | 2013-08-15 | 2014-01-01 | 瑞仪光电股份有限公司 | Frame device |
| CN105652521A (en) * | 2013-08-15 | 2016-06-08 | 瑞仪(广州)光电子器件有限公司 | Frame device |
| CN105652521B (en) * | 2013-08-15 | 2019-06-21 | 瑞仪(广州)光电子器件有限公司 | frame device |
| CN104089217A (en) * | 2014-06-20 | 2014-10-08 | 北京京东方视讯科技有限公司 | Backlight source, backlight module and display device |
| US9632232B2 (en) | 2014-06-20 | 2017-04-25 | Boe Technology Group Co., Ltd. | Backlight, backlight module and display device |
| CN104373870A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module optical film positioning structure, backlight module and display |
| WO2018036170A1 (en) * | 2016-08-23 | 2018-03-01 | 京东方科技集团股份有限公司 | Film, backlight module, and display device |
| US10324248B2 (en) | 2016-08-23 | 2019-06-18 | Boe Technology Group Co., Ltd. | Film, backlight module and display device |
| WO2018205837A1 (en) * | 2017-05-10 | 2018-11-15 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
| CN110989067A (en) * | 2019-05-28 | 2020-04-10 | 中国电子科技集团公司第五十五研究所 | Low-cost high-reliability optical combination structure |
| CN110989067B (en) * | 2019-05-28 | 2020-12-15 | 中国电子科技集团公司第五十五研究所 | Low-cost high-reliability optical combination structure |
| CN113946072A (en) * | 2021-10-28 | 2022-01-18 | 高创(苏州)电子有限公司 | Back plate, backlight module and display device |
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