CN101769511A - Structure and method for fixing optical film of light guide module - Google Patents
Structure and method for fixing optical film of light guide module Download PDFInfo
- Publication number
- CN101769511A CN101769511A CN201010114447A CN201010114447A CN101769511A CN 101769511 A CN101769511 A CN 101769511A CN 201010114447 A CN201010114447 A CN 201010114447A CN 201010114447 A CN201010114447 A CN 201010114447A CN 101769511 A CN101769511 A CN 101769511A
- Authority
- CN
- China
- Prior art keywords
- hole
- light guide
- reference column
- guide module
- optical film
- 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
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a method and a structure for fixing an optical film of a light guide module, which is mainly characterized in that a preset position of a casing included in the light guide module is provided with at least a positioning column; the optical film included in the light guide module is provided with at least one hole corresponding to the positioning column. When the optical films are combined in the casing, the matching of the positioning column with the holes is utilized to limit the optical films so as to fix the optical films without shake.
Description
Technical field
The present invention relates to a kind ofly can relate in particular to the fixed structure and the method for this optical film of light guide module as the light guide module of backlight.
Background technology
The light guide module that is generally used in LCD (LCD) is to be formed by plural optical module and housing group structure, described optical module includes LGP, is located at blooming pieces such as the brightening piece of the exiting surface of LGP, prismatic lens, diffusion sheet, and be located at the reflector plate of LGP with respect to the another side of exiting surface, the incidence surface of LGP then is provided with light source, a housing is then installed in periphery after the aforesaid optical module combination, utilizes housing that those optical modules are fixed.The light that light source sent is entered by the incidence surface projection of LGP, and part light is reflected by reflector plate, penetrates by blooming pieces such as diffusion sheet, prismatic lens, brightening pieces in regular turn again.
Behind the aforementioned optics combination of components housing, need between optical module and housing, reserve particular space usually, the stretching, extension nargin with as the optical module expanded by heating time and avoid distortion, or utilize described particular space that the usefulness of holding other mechanism assembly is provided.Under this demand, the overall size of those optical modules must be less than the housing internal diameter size, the space that could behind the assembling optical module, can also keep somewhere described purposes, therefore, diffusion sheet, prismatic lens, after blooming pieces such as brightening piece make up in housing, can cause blooming piece in housing, to rock because of the existence in this space and cause the unjoyful noise of generation, perhaps, destroyed blooming piece the space that must keep somewhere originally because moving, and then the relevant usefulness of influence, nargin is stretched in the thermal expansion that for example influences blooming piece, or blooming piece rocks the noise of generation and influences product quality.
Fig. 1 shows the method that solves aforementioned disappearance traditionally, is after each blooming piece overlapping is combined in the exiting surface of LGP, and adhesive tape A is pasted at uppermost blooming piece B and housing C; But adhesive tape of paste may cause harmful effect to the usefulness of blooming piece on blooming piece; In addition, each adhesive tape only can be fixed the single blooming piece that directly attaches, therefore another blooming piece that overlaps also can't obtain identical fixed effect simultaneously, still can cause optical module to rock because there being described space S, produce discordant sound, even mutual frictional wear causes small dust material between the blooming piece, and then influence the quality of product.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of fixed structure of optical film of light guide module, are intended to solve the above problems;
The present invention also provides the fixing means that adopts said structure.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The fixed structure of optical film of light guide module of the present invention comprises: a housing, and it is provided with at least one reference column; One LGP, it is located in the inside diameter ranges of this housing; At least one blooming piece, it is located at the exiting surface of this LGP; Described blooming piece is provided with hole that should the reference column end surface shape, and those blooming pieces make up when described housing, utilize this reference column to limit those blooming pieces with cooperating of hole and cause and can't rock;
Fixing means of the present invention is realized by following steps:
The precalculated position that is the housing that comprises at light guide module is provided with certain at least position post;
The blooming piece that light guide module comprises then is provided with at least one pair of hole of answering described reference column;
Those blooming pieces make up when this housing, utilize described reference column to limit those blooming pieces with cooperating of hole and cause and can't rock.
Compared with prior art, the invention has the beneficial effects as follows: utilize reference column to limit these blooming pieces with cooperating of hole and make its fixing can't rocking.
Description of drawings
Fig. 1 is fixed in blooming piece the floor map of the structure of housing for light guide module in the demonstration prior art.
Fig. 2 is the perspective exploded view of the primary clustering syntagmatic of demonstration light guide module of the present invention.
Fig. 3 is the plane decomposing schematic representation of the primary clustering syntagmatic of demonstration light guide module of the present invention.
Fig. 4 is the plan cross-section schematic diagram of the structure that shows the A-A secant after the combination of components shown in second figure.
Fig. 5 is the plan cross-section schematic diagram of the structure that shows the B-B secant after the combination of components shown in second figure.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
When the objective of the invention is to solve blooming piece that present light guide module comprises and making up in shell, be to adopt adhesive means to fix, can't make each blooming piece all obtain identical fixed effect, cause blooming piece to produce discordant sound because of rocking easily, or the mutual frictional wear of blooming piece causes small dust material, so that influence the problem of product quality.
Feature of the present invention is the reference column that location usefulness is set in the housing precalculated position of light guide module, and be provided with in the appropriate location of the fixing blooming piece of needs hole that should reference column, use when optical module is combined in shell, utilize reference column to pass the hole of blooming piece and limit blooming piece and can't move, thereby solve blooming piece because of rocking the generation noise, and may be between the blooming piece because the frictional wear generation fine dust that relatively moves influence the problem of quality.
Based on this, technological means of the present invention is the protuberance that irrelevant optical appearance effect is set at the blooming piece edge that light guide module comprises, and in this protuberance at least one hole is set again; And the inboard formation of the housing that comprises at light guide module can support the flange of the protuberance of described blooming piece, and this flange further is provided with the reference column of corresponding described hole; Structure when optical module is combined in housing, can make reference column pass the hole of each blooming piece thus, can't move to limit each blooming piece, and each blooming piece can stably overlap, and does not have the problem that relative rolling dynamic friction causes consume.
Another technological means of the present invention is at the edge of blooming piece the protuberance that is positioned at diverse location more than two or two to be set, wherein a protuberance is provided with the hole of a circle, another protuberance is provided with an elongate slot, described housing then is provided with the flange of corresponding described protuberance more than two or two, those flanges are provided with respectively should hole and the circular reference column of slotted eye position, blooming piece is made up when housing, utilize elongate slot and cooperating of circular reference column that suitable allowable error is provided, allow blooming piece successfully be combined in housing.
As a kind of selection, described reference column end can be corresponding circle with hole.
Select as another kind, described reference column end can be corresponding triangle with hole.
Select as another kind, described reference column end can be corresponding rectangle with hole.
Select as another kind, described reference column end can be corresponding polygon with hole.
Select as another kind, described reference column end can be corresponding any geometry with hole.
Utilize aforementioned method of the present invention and structure, being overlapped in the blooming piece of exiting surface of LGP and the combination of housing fixes, can finish more fast and more accurately, do not have and utilize adhesive tape to paste the harmful effect that blooming piece is caused in the prior art, only do not have in the prior art between two blooming pieces by by the fixing instability that is produced of frictional force yet, even because frictional wear and produce the problem of fine dust relatively.
Consult Fig. 2 and shown in Figure 3, light guide module provided by the invention includes a housing 1, a LGP 2, a reflector plate 4, may comprise the blooming piece 3 of brightening piece 3A, prismatic lens 3B and diffusion sheet 3C etc., and a light source 5.Wherein, housing 1 can be the frame body of rectangle, and the zone that its internal diameter enclosed is to install described LGP 2, those blooming pieces 3, reflector plate 4 and light source 5; At embodiments of the invention, the diverse location of a wherein inboard of housing 1 internal diameter forms a flange 11 respectively, and vertically extend a reference column 12 separately on the surface of two flanges 11, the end of this reference column 12 can be circle, triangle, rectangle or any suitable geometry.Described LGP 2 is to be used for the optical module of conducting light, it has an at least one incidence surface 21 and an exiting surface 22, light source 5 is LGP 2 to be installed in the inside diameter ranges of housing 1 after being located at incidence surface 21 again, the reflector plate 4 that will have good reflection light character then be located at LGP 2 with respect to the another side of exiting surface 22 and be fixed in housing, therefore, the light source part light of injecting LGP 2 can be penetrated by exiting surface 22 by reflector plate 4 reflection.
The above only is in order to explain the present invention's preferred embodiment; be not that attempt is done any formal restriction to the present invention according to this; therefore, all have in following any modification or change of doing relevant the present invention of identical invention spirit, all must be included in the claim protection category of the present invention.
Claims (16)
1. the fixed structure of an optical film of light guide module is characterized in that comprising: a housing, and it is provided with at least one reference column; One LGP, it is located in the inside diameter ranges of this housing; At least one blooming piece, it is located at the exiting surface of this LGP; Described blooming piece is provided with hole that should the reference column end surface shape, and those blooming pieces make up when described housing, utilize this reference column to limit those blooming pieces with cooperating of hole and cause and can't rock.
2. the fixed structure of optical film of light guide module according to claim 1, it is characterized in that: the diverse location more than two or two of described blooming piece is respectively equipped with a hole and an elongate slot, described housing then is provided with more than two or two respectively should hole and the reference column of elongate slot position, when described blooming piece makes up in housing, utilize elongate slot and cooperating of reference column that suitable allowable error is provided.
3. the fixed structure of optical film of light guide module according to claim 2, it is characterized in that: the edge of described blooming piece is provided with the protuberance more than two or two, described hole and elongate slot are located at this protuberance, this housing is provided with can be for the flange of this protuberance supporting, and this flange is provided with should hole and the reference column of elongate slot position.
4. according to the fixed structure of claim 1 or 2 or 3 described optical film of light guide module, it is characterized in that: the end face of described reference column is corresponding circle with hole.
5. according to the fixed structure of claim 1 or 2 or 3 described optical film of light guide module, it is characterized in that: the end face of described reference column is corresponding triangle with hole.
6. according to the fixed structure of claim 1 or 2 or 3 described optical film of light guide module, it is characterized in that: the end face of described reference column is corresponding rectangle with hole.
7. according to the fixed structure of claim 1 or 2 or 3 described optical film of light guide module, it is characterized in that: the end face of described reference column is corresponding polygon with hole.
8. according to the fixed structure of claim 1 or 2 or 3 described optical film of light guide module, it is characterized in that: the end face of described reference column is corresponding geometry with hole.
9. the fixing means of an optical film of light guide module, realize by following steps:
The precalculated position that is the housing that comprises at light guide module is provided with certain at least position post;
The blooming piece that light guide module comprises then is provided with at least one pair of hole of answering described reference column;
Those blooming pieces make up when this housing, utilize described reference column to limit those blooming pieces with cooperating of hole and cause and can't rock.
10. the fixing means of optical film of light guide module according to claim 9, wherein: the diverse location more than two or two of described blooming piece is respectively equipped with a hole and an elongate slot, described housing then is provided with more than two or two respectively should hole and the reference column of elongate slot position, when described blooming piece makes up in housing, utilize elongate slot and cooperating of reference column that suitable allowable error is provided.
11. the fixing means of optical film of light guide module according to claim 10, wherein: the edge of described blooming piece is provided with the protuberance more than two or two, described hole and elongate slot are located at this protuberance, this housing is provided with can be for the flange of this protuberance supporting, and this flange is provided with should hole and the reference column of elongate slot position.
12. according to the fixing means of claim 9 or 10 or 11 described optical film of light guide module, wherein: the end face of described reference column is corresponding circle with hole.
13. according to the fixing means of claim 9 or 10 or 11 described optical film of light guide module, wherein: the end face of described reference column is corresponding triangle with hole.
14. according to the fixing means of claim 9 or 10 or 11 described optical film of light guide module, wherein: the end face of described reference column is corresponding rectangle with hole.
15. according to the fixing means of claim 9 or 10 or 11 described optical film of light guide module, wherein: the end face of described reference column is corresponding polygon with hole.
16. according to the fixing means of claim 9 or 10 or 11 described optical film of light guide module, wherein: the end face of described reference column is corresponding how much with hole
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010114447A CN101769511A (en) | 2010-02-26 | 2010-02-26 | Structure and method for fixing optical film of light guide module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010114447A CN101769511A (en) | 2010-02-26 | 2010-02-26 | Structure and method for fixing optical film of light guide module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101769511A true CN101769511A (en) | 2010-07-07 |
Family
ID=42502534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010114447A Pending CN101769511A (en) | 2010-02-26 | 2010-02-26 | Structure and method for fixing optical film of light guide module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101769511A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012142775A1 (en) * | 2011-04-21 | 2012-10-26 | 深圳市华星光电技术有限公司 | Fixing mechanism for backlight module and backlight module |
| US8388161B2 (en) | 2011-04-21 | 2013-03-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Fixing mechanism for backlight module and backlight module |
| US9207492B2 (en) | 2009-12-11 | 2015-12-08 | Lg Display Co., Ltd. | Back light unit and method for assembling the same |
| JP2016105157A (en) * | 2014-11-19 | 2016-06-09 | キヤノン株式会社 | Display device |
| CN106918943A (en) * | 2015-12-24 | 2017-07-04 | 乐金显示有限公司 | Optical sheet and the display device with the optical sheet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281966A (en) * | 1998-01-24 | 1999-10-15 | Samsung Electronics Co Ltd | Liquid crystal display device |
| CN1361446A (en) * | 2000-12-25 | 2002-07-31 | 株式会社日立制作所 | Liquid crystal display device |
| CN1639619A (en) * | 2002-08-13 | 2005-07-13 | 三星电子株式会社 | Optical member, backlight assembly and liquid crystal display device using the same |
| CN201628184U (en) * | 2010-02-26 | 2010-11-10 | 苏州向隆塑胶有限公司 | Fixing structure for optical film of light guide module |
-
2010
- 2010-02-26 CN CN201010114447A patent/CN101769511A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281966A (en) * | 1998-01-24 | 1999-10-15 | Samsung Electronics Co Ltd | Liquid crystal display device |
| CN1361446A (en) * | 2000-12-25 | 2002-07-31 | 株式会社日立制作所 | Liquid crystal display device |
| CN1639619A (en) * | 2002-08-13 | 2005-07-13 | 三星电子株式会社 | Optical member, backlight assembly and liquid crystal display device using the same |
| CN201628184U (en) * | 2010-02-26 | 2010-11-10 | 苏州向隆塑胶有限公司 | Fixing structure for optical film of light guide module |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9207492B2 (en) | 2009-12-11 | 2015-12-08 | Lg Display Co., Ltd. | Back light unit and method for assembling the same |
| WO2012142775A1 (en) * | 2011-04-21 | 2012-10-26 | 深圳市华星光电技术有限公司 | Fixing mechanism for backlight module and backlight module |
| US8388161B2 (en) | 2011-04-21 | 2013-03-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Fixing mechanism for backlight module and backlight module |
| JP2016105157A (en) * | 2014-11-19 | 2016-06-09 | キヤノン株式会社 | Display device |
| CN106918943A (en) * | 2015-12-24 | 2017-07-04 | 乐金显示有限公司 | Optical sheet and the display device with the optical sheet |
| KR20170076940A (en) * | 2015-12-24 | 2017-07-05 | 엘지디스플레이 주식회사 | Optical sheet and display apparatus having the same |
| CN106918943B (en) * | 2015-12-24 | 2020-12-22 | 乐金显示有限公司 | Optical sheet and display device having the same |
| KR102519862B1 (en) * | 2015-12-24 | 2023-04-10 | 엘지디스플레이 주식회사 | Optical sheet and display apparatus having the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4261613B2 (en) | Liquid crystal display | |
| US8870439B2 (en) | Backlight module and display device with reduced light leakage | |
| CN206301120U (en) | A kind of backlight module and display device | |
| CN101769511A (en) | Structure and method for fixing optical film of light guide module | |
| CN112034652A (en) | Display device | |
| US9897748B2 (en) | Display device | |
| JP2011216274A (en) | Backlight unit and liquid crystal display device including the same | |
| CN105204227B (en) | Backlight module and liquid crystal display | |
| JP7359960B2 (en) | Punch hole screen and electronic equipment | |
| WO2021190154A1 (en) | Display panel and manufacturing method therefor, and display device | |
| WO2018205837A1 (en) | Backlight module and display apparatus | |
| KR20110027039A (en) | Display device with a lens plate and producing method of the display device | |
| JP6800866B2 (en) | Light emitting device, display device and lighting device | |
| WO2016070582A1 (en) | Curved display panel, curved display device, and manufacturing method therefor | |
| WO2016070583A1 (en) | Curved display panel, curved display device, and manufacturing method therefor | |
| US10126490B2 (en) | Display device and backlight module used therein | |
| US9285529B2 (en) | Backlight module | |
| CN201628184U (en) | Fixing structure for optical film of light guide module | |
| CN103105694A (en) | Liquid crystal panel assembly and liquid crystal display apparatus | |
| JP2013088580A (en) | Transmissive screen and rear projection device | |
| EP3567300B1 (en) | Backlight module and display device | |
| JP6945148B2 (en) | Image display device and support pin | |
| JP2014186053A (en) | Display device | |
| US10274163B2 (en) | Backlight unit and display device comprising same | |
| CN103090255A (en) | Display device and backlight module thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100707 |