CN101639174A - Light emitting diode module, backlight source and display device - Google Patents
Light emitting diode module, backlight source and display device Download PDFInfo
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- CN101639174A CN101639174A CN200910166366A CN200910166366A CN101639174A CN 101639174 A CN101639174 A CN 101639174A CN 200910166366 A CN200910166366 A CN 200910166366A CN 200910166366 A CN200910166366 A CN 200910166366A CN 101639174 A CN101639174 A CN 101639174A
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- 238000007598 dipping method Methods 0.000 claims description 7
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- 238000010586 diagram Methods 0.000 description 3
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Abstract
一种发光二极管模块、背光源及显示装置，涉及具有连接结构的发光二极管模块及应用其的背光源和显示装置领域。本发明要解决的技术问题是提供一种发光二极管模块，其包括位于所述发光二极管模块出光侧的出光面；位于所述出光侧并分别位于所述出光面两旁的两个凸块；分别位于所述两个凸块上并指向所述发光二极管模块的第一侧方向的两个定位块，所述第一侧方向平行于所述出光面并垂直于所述两个凸块的连线方向。
A light-emitting diode module, a backlight source and a display device, relating to the field of a light-emitting diode module with a connection structure and a backlight source and a display device using the same. The technical problem to be solved by the present invention is to provide a light-emitting diode module, which includes a light-emitting surface on the light-emitting side of the light-emitting diode module; two bumps on the light-emitting side and on both sides of the light-emitting surface; Two positioning blocks on the two bumps and pointing to the first side direction of the LED module, the first side direction is parallel to the light-emitting surface and perpendicular to the connecting line direction of the two bumps .
Description
[technical field]
The present invention relates to a kind of light-emitting diode (LED) module, backlight and display unit, particularly relate to a kind of backlight and display unit that has the light-emitting diode (LED) module of syndeton and use it.
[background technology]
LCD (LCD) device is owing to have in light weight, compactness and the advantage of low energy consumption has been widely used in various industrial circles.Because the display panels of LCD device is not self luminous, so the LCD device needs a kind of backlight that light source is provided to display panels.
Owing to compare with cold-cathode fluorescence lamp, light emitting diode (LED) can realize more low energy consumption, better anti-external impact, wider application in small-sized and compact apparatus, longer life-span and switch speed faster, therefore can be used as the light source in the backlight.Be a kind of backlight schematic diagram of prior art as shown in Figure 1, it comprises light emitting diode (LED) module 12 and LGP 15.In the prior art, backlight generally also comprises framework and some blooming pieces, because can not relate in to elaboration of the present invention, does not illustrate.Light-emitting diode (LED) module 12 has exiting surface 123 in its bright dipping side 121; LGP 15 has incidence surface 153 in its light inlet side 151, and exiting surface 123 and incidence surface 153 are along corresponding setting the shown in the dotted arrow among Fig. 1.In the prior art, light-emitting diode (LED) module can have a plurality of, with the corresponding setting of a plurality of incidence surfaces of LGP.Prior art is when using LED as light source, and LGP higher brightness occurs easily closing on the incidence surface zone, is called " white point phenomenon ".The generation of this white point phenomenon mainly is not have certain tolerance owing to closely cooperate between LGP and the LED.In addition, the increase of the distance between LGP and the LED correspondingly also can increase the LCD device size.
The method of existing improvement the problems referred to above is by materials such as for example two-sided tapes led module to be fixed on the LGP, but adhesive tape is under the situation that is subjected to the deterioration of thermal shock or external environment condition, can influence it as fixing effect, losing fixation under adhesive tape externally influences then can cause the LED location inaccurate, tight contact between LED and the LGP may weaken, above-mentioned white point phenomenon also can occur, even produce problems such as light leak, light source waste.
[summary of the invention]
An object of the present invention is to provide a kind of light-emitting diode (LED) module, it comprises the exiting surface that is positioned at described light-emitting diode (LED) module bright dipping side; Be positioned at described bright dipping side and lay respectively at two projections of described exiting surface both sides; Lay respectively on described two projections and point to two locating pieces of first side direction of described light-emitting diode (LED) module, described first side direction is parallel to described exiting surface and perpendicular to the line direction of described two projections.
As optional technical scheme, described light-emitting diode (LED) module has groove in described exiting surface both sides, and described projection is arranged in the described groove, and the height of described projection is less than described depth of groove.
As optional technical scheme, described locating piece has guiding face, described guiding face be positioned at described locating piece away from described exiting surface one side.As further alternative technical scheme, described guiding face is close to described exiting surface gradually to the free end of described locating piece from the base portion of described locating piece.
As optional technical scheme, described locating piece is positioned at the end of described projection, and the end of described projection more comprises the buffering seam.As further alternative technical scheme, described buffering seam is parallel to described exiting surface.As further alternative technical scheme, described buffering seam is perpendicular to described first side direction.
Another object of the present invention provides a kind of backlight, and it comprises LGP, and described LGP comprises: at least one is positioned at the incidence surface of light inlet side; At least two shrinkage pools are arranged on the oriented side adjacent to described light inlet side; At least two guide grooves, described guide groove extends to described light inlet side from described shrinkage pool.Backlight of the present invention also comprises above-mentioned a kind of light-emitting diode (LED) module, the exiting surface of the described light-emitting diode (LED) module described incidence surface of fitting; Described locating piece is fastened in the described shrinkage pool; Described projection is contained in the described guide groove.As further alternative technical scheme, described projection sidewall has convex closure, and described guide groove sidewall has the depression of corresponding described convex closure.
Another object of the present invention provides a kind of display unit, and it comprises display floater and aforesaid a kind of backlight, and described backlight shines described display floater.
Compared with prior art, benefit of the present invention is that led module is connected by frame for movement with LGP, and connective stability is good.Incidence surface and exiting surface are fitted closely, have avoided the appearance of problems such as " white point phenomenons " of the prior art.In addition, benefit of the present invention also is to realize easily the automation assembling of led module and LGP.
[description of drawings]
Fig. 1 illustrates a kind of backlight schematic perspective view of prior art;
Fig. 2 illustrate first kind of embodiment of the present invention light-emitting diode (LED) module look up schematic perspective view;
Fig. 3 illustrates the top perspective schematic diagram of the LGP of first kind of embodiment of the present invention;
Fig. 4 illustrates the part of the LGP of first kind of embodiment of the present invention and amplifies schematic perspective view;
Fig. 5 illustrates the schematic top plan view of the backlight of first kind of embodiment of the present invention;
Fig. 6 illustrates the part section front elevational schematic of the backlight of first kind of embodiment of the present invention;
Fig. 7 illustrates the schematic top plan view of the backlight of second kind of embodiment of the present invention;
Fig. 8 illustrates the part section front elevational schematic of the backlight of the third embodiment of the present invention;
Fig. 9 illustrates the part section front elevational schematic of the backlight of the 4th kind of embodiment of the present invention.
[specific embodiment]
Please refer to Fig. 2, Fig. 2 illustrate first kind of embodiment of the present invention light-emitting diode (LED) module look up schematic perspective view.The light-emitting diode (LED) module 22 of present embodiment comprises the exiting surface 223 (the YZ plane that is parallel to figure) that is arranged in its bright dipping side 221; Be positioned at described bright dipping side 221 and lay respectively at two projections 226 of described exiting surface 223 both sides; Lay respectively on described two projections 226 and point to two locating pieces 227 of first side direction (i.e. Y direction among the figure) of described light-emitting diode (LED) module 22, described first side direction is parallel to described exiting surface 223 and perpendicular to the line direction (i.e. Z-direction among the figure) of described two projections.
In the present embodiment, described light-emitting diode (LED) module 22 has groove 224 in described exiting surface 223 both sides, described projection 226 is put in described groove 224, and the height of described projection 226 is less than the degree of depth of described groove 224, and projection 226 can not stop the light that sends from exiting surface 223 like this.
In the present embodiment, described locating piece 227 is positioned at the end 2261 of described projection 226.
Fig. 3 illustrates the top perspective schematic diagram of the LGP of first kind of embodiment of the present invention; Fig. 4 illustrates the part of the LGP of first kind of embodiment of the present invention and amplifies schematic perspective view; Fig. 5 illustrates the schematic top plan view of the backlight of first kind of embodiment of the present invention; Fig. 6 illustrates the part section front elevational schematic of the backlight of first kind of embodiment of the present invention along AA line among Fig. 5.Please refer to Fig. 3 to Fig. 6, the backlight of present embodiment comprises LGP 25 as shown in Figure 3, and described LGP 25 comprises: at least one is positioned at the incidence surface 253 of light inlet side 251; At least two shrinkage pools 257 are arranged on the oriented side 252 adjacent to described light inlet side 251; At least two guide grooves 256, described guide groove 256 extends to described light inlet side 251 from described shrinkage pool 257.Backlight of the present invention also comprises light-emitting diode (LED) module 22 as shown in Figure 2, the described incidence surface 253 of exiting surface 223 applyings of described light-emitting diode (LED) module 22; Described locating piece 227 is fastened on respectively in the described shrinkage pool 257; Described projection 226 is contained in the described guide groove 256.Light-emitting diode (LED) module 22 combines together with LGP 25 like this, and unlike prior art makes in the method for paste easy getting loose.
As shown in Figure 6, described in the present embodiment locating piece 227 has guiding face 2271, described guiding face 2271 be positioned at described locating piece 227 away from described exiting surface 223 1 sides.Described guiding face 2271 is close to described exiting surface gradually to the free end of described locating piece from the base portion of described locating piece 227.The existence of guiding face 2271 makes locating piece 227 in the process of inserting shrinkage pool 257, and light-emitting diode (LED) module 22 is drawn close to LGP 25, and exiting surface 223 fits tightly light inlet face 253.
Fig. 7 illustrates the schematic top plan view of the backlight of second kind of embodiment of the present invention.The backlight of present embodiment and the difference of backlight shown in Figure 5 are that described projection 226 sidewalls have convex closure 2262 (can be a plurality of), and described guide groove 256 sidewalls have the depression of corresponding described convex closure 2262.Convex closure 2262 such structures can increase the bond strength of light-emitting diode (LED) module 22 and LGP 25.
Fig. 8 illustrates the part section front elevational schematic of the backlight of the third embodiment of the present invention.The backlight of present embodiment and the difference of backlight shown in Figure 6 are that the end of described projection 226 more comprises buffering seam 2263, and buffering seam 2263 is perpendicular to described first side direction (being Y direction).
Fig. 9 illustrates the part section front elevational schematic of the backlight of the 4th kind of embodiment of the present invention.The backlight of present embodiment and the difference of backlight shown in Figure 6 are that the end of described projection 226 more comprises buffering seam 2264, and buffering seam 2264 is parallel to described exiting surface 223 (promptly being parallel to the YZ plane).
The display unit of one embodiment of the present invention comprises the backlight of display floater (for example being display panels) and above-mentioned a kind of embodiment, and this backlight shines described display floater.
Claims (10)
1. light-emitting diode (LED) module is characterized in that comprising:
Be positioned at the exiting surface of described light-emitting diode (LED) module bright dipping side;
Be positioned at described bright dipping side and lay respectively at two projections of described exiting surface both sides;
Lay respectively on described two projections and point to two locating pieces of first side direction of described light-emitting diode (LED) module, described first side direction is parallel to described exiting surface and perpendicular to the line direction of described two projections.
2. light-emitting diode (LED) module according to claim 1 is characterized in that described light-emitting diode (LED) module has groove in described exiting surface both sides, and described projection is arranged in the described groove, and the height of described projection is less than described depth of groove.
3. light-emitting diode (LED) module according to claim 1 is characterized in that described locating piece has guiding face, described guiding face be positioned at described locating piece away from described exiting surface one side.
4. light-emitting diode (LED) module according to claim 3 is characterized in that described guiding face is close to described exiting surface gradually to the free end of described locating piece from the base portion of described locating piece.
5. light-emitting diode (LED) module according to claim 1 is characterized in that described locating piece is positioned at the end of described projection, and the end of described projection more comprises the buffering seam.
6. light-emitting diode (LED) module according to claim 5 is characterized in that described buffering seam is parallel to described exiting surface.
7. light-emitting diode (LED) module according to claim 5 is characterized in that described buffering seam is perpendicular to described first side direction.
8. backlight is characterized in that comprising:
LGP, described LGP comprises:
At least one is positioned at the incidence surface of light inlet side;
At least two shrinkage pools are arranged on the oriented side adjacent to described light inlet side;
At least two guide grooves, described guide groove extends to described light inlet side from described shrinkage pool;
According to any described light-emitting diode (LED) module in the claim 1 to 7, the exiting surface of the described light-emitting diode (LED) module described incidence surface of fitting; Described locating piece is fastened in the described shrinkage pool; Described projection is contained in the described guide groove.
9. backlight according to claim 8 is characterized in that described projection sidewall has convex closure, and described guide groove sidewall has the depression of corresponding described convex closure.
10. display unit is characterized in that comprising:
Display floater;
Backlight according to claim 8, described backlight shines described display floater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101663665A CN101639174B (en) | 2009-08-28 | 2009-08-28 | Light emitting diode module, backlight source and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101663665A CN101639174B (en) | 2009-08-28 | 2009-08-28 | Light emitting diode module, backlight source and display device |
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| Publication Number | Publication Date |
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| CN101639174A true CN101639174A (en) | 2010-02-03 |
| CN101639174B CN101639174B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101663665A Expired - Fee Related CN101639174B (en) | 2009-08-28 | 2009-08-28 | Light emitting diode module, backlight source and display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809100A (en) * | 2012-08-09 | 2012-12-05 | 京东方科技集团股份有限公司 | Backlight and production method thereof |
| CN107728378A (en) * | 2017-11-03 | 2018-02-23 | 惠科股份有限公司 | Light-emitting positioning device and manufacturing method thereof |
| CN107748408A (en) * | 2017-11-03 | 2018-03-02 | 惠科股份有限公司 | Light-emitting positioning device and manufacturing method thereof |
| CN107765479A (en) * | 2017-11-03 | 2018-03-06 | 惠科股份有限公司 | Light-emitting positioning device and manufacturing method thereof |
| WO2019085162A1 (en) * | 2017-11-03 | 2019-05-09 | 惠科股份有限公司 | Lighting positioning device |
-
2009
- 2009-08-28 CN CN2009101663665A patent/CN101639174B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809100A (en) * | 2012-08-09 | 2012-12-05 | 京东方科技集团股份有限公司 | Backlight and production method thereof |
| CN107728378A (en) * | 2017-11-03 | 2018-02-23 | 惠科股份有限公司 | Light-emitting positioning device and manufacturing method thereof |
| CN107748408A (en) * | 2017-11-03 | 2018-03-02 | 惠科股份有限公司 | Light-emitting positioning device and manufacturing method thereof |
| CN107765479A (en) * | 2017-11-03 | 2018-03-06 | 惠科股份有限公司 | Light-emitting positioning device and manufacturing method thereof |
| WO2019085162A1 (en) * | 2017-11-03 | 2019-05-09 | 惠科股份有限公司 | Lighting positioning device |
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| Publication number | Publication date |
|---|---|
| CN101639174B (en) | 2011-09-28 |
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