CN100353233C - Optical module and positioning frame therein - Google Patents
Optical module and positioning frame therein Download PDFInfo
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- CN100353233C CN100353233C CNB2005100893248A CN200510089324A CN100353233C CN 100353233 C CN100353233 C CN 100353233C CN B2005100893248 A CNB2005100893248 A CN B2005100893248A CN 200510089324 A CN200510089324 A CN 200510089324A CN 100353233 C CN100353233 C CN 100353233C
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- lug
- blooming piece
- opening
- optical module
- sidewall
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Abstract
The present invention discloses an optical module. A positioning frame in the optical module can be used for well fixing an optical membrane in the optical module in order to prevent the offset of the optical membrane. The optical module comprises the optical membrane and the positioning frame, wherein the optical membrane at least has a first convex lug, the first convex lug has a root part and an outwards extended unfolding part, and the width of the unfolding part is wider than that of the root part. The positioning frame comprises a side wall and an upper edge part. The upper edge part is arranged at the side wall and provided with a first opening. The upper edge part positioned at one side of the first opening is provided with a first convex part which bulges outside the outer wall of the side wall, wherein the first opening is used for containing the root part of the first convex lug, and the part area of the unfolding part of the first convex lug is contained under the first convex part.
Description
Technical field
The present invention relates to a kind of optical module, particularly relate to a kind of optical module that blooming piece is wherein had the good location effect.
Background technology
In LCD, can be divided into the two large divisions, one is backlight module, can provide stable and uniform light; One is liquid crystal panel (mainly being made up of two substrates clamping one liquid crystal layer), be located at backlight module light and penetrate part, rotate by the liquid crystal molecule in the control liquid crystal panel, change the direct of travel of light in liquid crystal panel, cause light and shade difference in the liquid crystal panel zones of different, and reach the purpose that image shows.
And as previously mentioned, because the required light of liquid crystal panel is provided by backlight module provide fully, make the product key properties such as display brightness, uniformity coefficient, contrast and visible angle of LCD influenced by backlight module.
Therefore, for the light that backlight module is sent is able to more uniform dispersing, above backlight module, more various blooming piece can be set, such as diffusion sheet and prismatic lens or the like, the enhancing effect that cooperates diffusion sheet and prismatic lens produces best distribution of light sources, improves image display quality.
See also Fig. 1, it is that an existing blooming piece is fixed in the synoptic diagram on the framework of backlight module.As shown in the figure, a side of blooming piece 10 has in two lugs, 101, two lugs 101 and respectively has a pilot hole, and on framework 11 with two lugs, 101 corresponding positions, be provided with two reference columns 111.By two pilot holes being inserted in two reference columns 111,, and blooming piece 10 is fixed on the framework 11 then again with the shell fragment clamping.
Yet, aforesaid mode, but easily because of opposite side does not give suitable fixing, blooming piece is influenced by external force easily and is offset, and blooming piece is scratch easily also.
Therefore, and the proposition of another prior art is arranged, see also Fig. 2, it is fixed in the framework synoptic diagram of backlight module for another existing blooming piece.
As shown in the figure, two sides of blooming piece 10 all respectively have two lugs 101.And be provided with two locating slots 112 on the framework 11.When assembling,, be inserted in two locating slots 112 of framework 11 two lugs 101 of blooming piece 10 1 sides; Then, again with the shell fragment clamping or with the mode of gum adhesion, the lug 101 of fixed optics diaphragm 10 opposite sides on framework.
Yet in the aforesaid mode, blooming piece 10 only has the lug 101 and locating slot 112 tablings of a side, skew because of horizontal direction causes slippage easily, and, when embedding locating slot 112 with lug 101, the situation of recessed folding takes place in lug easily, causes the damage of blooming piece, even and is out of shape.
Therefore, the proposition of a prior art is arranged again, see also Fig. 3, it is the framework synoptic diagram that another existing blooming piece is fixed in backlight module.
As shown in the figure, framework 11 is provided with two hook-shaped projections 113.And two sides of blooming piece 10 all respectively have lug 101, and blooming piece 10 wherein two lugs 101 of a side all have and hook-shaped projection 113 shape corresponding positioning hole.
During assembling, after the pilot hole of lug 101 is inserted in hook-shaped projection 113, again with the shell fragment clamping or in the mode of gum adhesion, the lug of fixed optics diaphragm 10 opposite sides is on framework 11, by hook-shaped projection 113 outward extending crook, prevent coming off of blooming piece 10.
Yet, aforesaid mode, though improved the shortcoming of prior art on the location of Figure 1 and Figure 2, it still has many shortcomings to wait to overcome, for example:
Though hook-shaped projection can prevent that blooming piece from coming off on backlight module, but it is not good for the fixed effect of blooming piece on the Z direction direction of backlight module exiting surface (that is perpendicular to), blooming piece can't be complete smooth driving fit on backlight module, still be easy on the framework with the skew of Z direction.
It will obviously increase the thickness of backlight module by the mode of hook-shaped projection is set on framework, for the LCD of being particular about frivolous exquisiteness, real is not good design.
Therefore, how to improve the shortcoming of aforementioned every prior art, and blooming piece can be fixed on the backlight module well, for being familiar with the direction that this operator endeavours.
Summary of the invention
For this reason, the present invention proposes a kind of optical module, and positioning framework wherein can be fixed blooming piece wherein well, prevents the skew of blooming piece.
This optical module comprises a blooming piece and a location framework.
Blooming piece has one first lug at least, and first lug has a root and an outward extending expansion portion, and the width of expansion portion is greater than the width of root.
Positioning framework comprises a sidewall and a rising wood again.
Rising wood is arranged on the aforementioned sidewall, and rising wood has one first opening, and the rising wood that is positioned at least one side of first opening has one first protuberance that protrudes to the sidewall outside.
Wherein, first opening is in order to the root of ccontaining first lug, and the subregion of the expansion portion of first lug can be placed in the below of first protuberance.
In the time of in first lug is embedded in first opening, expansion portion also is closely against the sidewall outside and first protuberance.By aforesaid structural design, it is mobile to prevent that this blooming piece from producing, and is fixed on the backlight module effectively.
For making advantage of the present invention and the spirit can be further revealed, cooperate graphic work one to be described in detail as follows now.
Description of drawings
Fig. 1 is that an existing blooming piece is fixed in the synoptic diagram on the framework of backlight module;
Fig. 2 is fixed in synoptic diagram on the framework of backlight module for another existing blooming piece;
Fig. 3 is fixed in synoptic diagram on the framework of backlight module for another existing blooming piece;
Fig. 4 is the decomposing schematic representation of an embodiment of optical module of the present invention;
Fig. 5 is the assembling process synoptic diagram of embodiment shown in Figure 4;
Fig. 6 is a synoptic diagram after the combination of optical module of the present invention;
Fig. 7 is the decomposing schematic representation of second embodiment of optical module of the present invention.
Embodiment
See also Fig. 4, it is the decomposing schematic representation of an embodiment of the disclosed optical module of the present invention.
Positioning framework 21, rectangular substantially, its four edge is for having certain thickness sidewall 211.And it has a rising wood 212 again, is arranged on the aforesaid sidewall, and rising wood 212 has one first opening 2121, is positioned at the rising wood of two sides of first opening 2121, has one first protuberance 2122 that protrudes to the sidewall outside again.And first protuberance 2122 that is positioned at these first opening both sides is parallel substantially.
In addition, sidewall 211 has more one second protuberance 2123, and this second protuberance 2123 protrudes to sidewall 211 inboard extensions.And in the present embodiment, optical module 2 has more a light guide plate 22, is positioned at positioning framework 21 inboards, and the part edge at least of light guide plate 22 is positioned at the below of second protuberance 2123.
Wherein, the shape of first opening 2121 is corresponding with root 2011 shapes of first lug 201.First opening 2121 can be placed in the below of first protuberance 2122 in order to the subregion of the expansion portion 2012 of root 2011, the first lugs of ccontaining first lug.
See also Fig. 5, it is assembled in the action synoptic diagram of positioning framework for blooming piece of the present invention.Blooming piece 20 packing into to the process of positioning framework 21, root 2011 with this first lug 201 is embedded in first opening 2121 earlier, expansion this moment portion 2012 falls within the outside of first opening 2121, application of force mobile optical diaphragm (shown in the direction of arrow among the figure), because the width of expansion portion 2012 is greater than the width of root 2011, expansion portion 2012 will be tight against sidewall 211 outside surfaces of positioning framework 21, then, again to blooming piece 20 opposite sides with shell fragment or gum or otherwise fix, and so that blooming piece 20 be fixed in well on the positioning framework 21.
Please continue to consult Fig. 6, it is the enlarged diagram after the optical module combination of the present invention.
As shown in the figure, after blooming piece 20 is assembled on the positioning framework 21,, and limited the displacement of blooming piece on directions X owing to first opening 2121 conforms to the shape of root 2011.
And, in the present embodiment, when first lug 201 is tight against sidewall 211 outside surfaces of positioning framework 21, and limited the displacement of blooming piece in the Y direction.
And the upper surface of first lug 201 also is closely against the lower surface of this first protuberance 2122 simultaneously, and has limited the displacement of blooming piece on the Z direction further.
And under preferable situation, blooming piece 20 opposite sides more can gum adhesion or shell fragment clamping or alternate manner fix.
And as shown in Figure 7, be the synoptic diagram of second embodiment of optical module of the present invention.In aforementioned embodiment shown in Figure 5, the blooming piece that only has one first lug 201 in a side is shown, and in the present embodiment, blooming piece 20 more is provided with one second lug 202 at opposite side, the side-walls 211 of positioning framework 21 also has one second opening 213, and the position of this second opening 213 is corresponding with the position and the shape of shape and this second lug 202.
By said structure as can be known, blooming piece of the present invention, not only assembling is easy, more because of passing through the respective outer side edges of first lug and positioning framework, limit blooming piece simultaneously three displacements (directions X, Y direction, Z direction) on axially, prevent that effectively it is in the possible skew of all directions.Therefore, each side of blooming section, only single lug need be set, can reach good fixed effect, in prior art, each side of blooming piece all need be provided with two lugs, just can reach preferable fixed effect compares, except that reducing the manufacturing cost, more can reduce light when injecting blooming piece, light is from the situation of lug place escape.
And another advantage is, in optical module of the present invention, when positioning framework is made, only need utilize easy modular design, can make the rising wood of each positioning framework all have required structure, and apply in the practice easily.
So the present invention has significant progress really.More can after reading this instructions and above each embodiment, understand the utilization of spirit of the present invention and the every advantage that is had thereof or function more and know present technique person.The above is to utilize different embodiment describing the present invention in detail, and it is not in order to limiting practical range of the present invention, and is familiar with this operator and can both understands, the modification of suitably making some still without departing from the spirit or scope of the invention.
Claims (10)
1. optical module comprises:
One blooming piece has one first lug, and this first lug has a root and an outward extending expansion portion, and the width of this expansion portion is greater than the width of this root;
One location framework comprises:
One sidewall,
One rising wood is arranged on this sidewall, and this rising wood has one first opening, and this first opening is in order to this root of ccontaining this first lug,
It is characterized in that the rising wood that is positioned at least one side of this first opening has one first protuberance that protrudes to this sidewall outside, the subregion of the expansion portion of this first lug can be placed in the below of this first protuberance.
2. optical module as claimed in claim 1, wherein, this sidewall has one second protuberance to this inside sidewalls protrusion.
3. optical module as claimed in claim 2 more comprises a light guide plate, is arranged at this positioning framework inboard, and the part edge at least of this light guide plate is positioned at the below of this second protuberance.
4. optical module as claimed in claim 1, wherein, it is one L shaped that this first lug is.
5. optical module as claimed in claim 1, wherein, this first lug is a T shape.
6. optical module as claimed in claim 1, wherein, the shape of this first opening is corresponding with the root shape of this first lug.
7. optical module as claimed in claim 1, wherein, this blooming piece has one second lug, and this sidewall has one second opening, and the position of this second opening is corresponding with the position and the shape of shape and this second lug.
8. the positioning framework of a blooming piece, it can use for a blooming piece, and the edge of this blooming piece has one first lug, and this first lug has a root and an outward extending expansion portion, the width of this expansion portion is greater than the width of this root, and this positioning framework comprises:
One sidewall,
One rising wood is arranged on this sidewall, and this rising wood has one first opening,
It is characterized in that the rising wood of at least one side of this first opening has one first protuberance that protrudes to this sidewall outside.
9. positioning framework as claimed in claim 8, wherein, this sidewall has one second protuberance to this inside sidewalls protrusion.
10. positioning framework as claimed in claim 8, wherein, this blooming piece has one second lug, and this sidewall has one second opening, and the position of this second opening is corresponding with the position and the shape of shape and this second lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100893248A CN100353233C (en) | 2005-08-02 | 2005-08-02 | Optical module and positioning frame therein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100893248A CN100353233C (en) | 2005-08-02 | 2005-08-02 | Optical module and positioning frame therein |
Publications (2)
| Publication Number | Publication Date |
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| CN1731246A CN1731246A (en) | 2006-02-08 |
| CN100353233C true CN100353233C (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100893248A Active CN100353233C (en) | 2005-08-02 | 2005-08-02 | Optical module and positioning frame therein |
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| CN (1) | CN100353233C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587218B (en) * | 2008-05-19 | 2010-12-08 | 达信科技股份有限公司 | Optical film clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435948B (en) * | 2007-11-14 | 2012-12-26 | 奇美电子股份有限公司 | Backlight module and LCD device including the same |
| CN101587261B (en) * | 2008-05-23 | 2012-02-29 | 苏州璨宇光学有限公司 | Backlight module group |
| CN101592819B (en) * | 2008-05-30 | 2010-10-13 | 胜华科技股份有限公司 | Backlight module |
| CN102155718A (en) | 2011-03-01 | 2011-08-17 | 深圳市华星光电技术有限公司 | Light source fixing device, light source component and assembling method thereof |
| CN102155687A (en) * | 2011-03-04 | 2011-08-17 | 深圳市华星光电技术有限公司 | Backlight module, liquid crystal display device and backing plate |
| US8721156B2 (en) | 2011-03-04 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and backplate of the backlight module |
| TWM447508U (en) * | 2011-07-25 | 2013-02-21 | Chi Lin Optoelectronics Co Ltd | Backboard of the backlight module |
| CN102606954A (en) * | 2012-03-07 | 2012-07-25 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using the backlight module |
| US9104067B2 (en) | 2012-03-07 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device comprising backlight module |
| CN102879856B (en) * | 2012-10-15 | 2015-09-30 | 中航华东光电有限公司 | For light guide plate and the light guide plate assembly thereof of airbome liquid crystal display |
| CN102944953B (en) * | 2012-11-16 | 2015-06-17 | 深圳市华星光电技术有限公司 | Display device |
| CN103398352B (en) * | 2013-08-09 | 2015-09-02 | 瑞仪光电股份有限公司 | Blooming piece and diaphragm locating device |
| CN104315415B (en) * | 2014-10-22 | 2016-05-11 | 深圳市华星光电技术有限公司 | Liquid crystal indicator and backlight module thereof |
| WO2017017792A1 (en) * | 2015-07-28 | 2017-02-02 | 堺ディスプレイプロダクト株式会社 | Display device |
| TWI564622B (en) * | 2015-08-14 | 2017-01-01 | 友達光電股份有限公司 | Display module having flexible fixing design |
| TWI732589B (en) * | 2020-06-09 | 2021-07-01 | 友達光電股份有限公司 | Display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371018A (en) * | 2001-02-20 | 2002-09-25 | 达碁科技股份有限公司 | Lightguide plate fixing frame and its back lighting device |
| CN1399160A (en) * | 2001-07-20 | 2003-02-26 | 三星电子株式会社 | Liquid crystal display |
| CN1549007A (en) * | 2003-05-14 | 2004-11-24 | 友达光电股份有限公司 | Combined structure of optical model sheet and rubber frame |
| CN1560681A (en) * | 2004-03-12 | 2005-01-05 | 友达光电股份有限公司 | Backlight module |
| CN1779516A (en) * | 2004-11-19 | 2006-05-31 | 中华映管股份有限公司 | Combined struture for optical diaphragm and gluing frame |
-
2005
- 2005-08-02 CN CNB2005100893248A patent/CN100353233C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371018A (en) * | 2001-02-20 | 2002-09-25 | 达碁科技股份有限公司 | Lightguide plate fixing frame and its back lighting device |
| CN1399160A (en) * | 2001-07-20 | 2003-02-26 | 三星电子株式会社 | Liquid crystal display |
| CN1549007A (en) * | 2003-05-14 | 2004-11-24 | 友达光电股份有限公司 | Combined structure of optical model sheet and rubber frame |
| CN1560681A (en) * | 2004-03-12 | 2005-01-05 | 友达光电股份有限公司 | Backlight module |
| CN1779516A (en) * | 2004-11-19 | 2006-05-31 | 中华映管股份有限公司 | Combined struture for optical diaphragm and gluing frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587218B (en) * | 2008-05-19 | 2010-12-08 | 达信科技股份有限公司 | Optical film clamp |
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|---|---|
| CN1731246A (en) | 2006-02-08 |
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