CN101311752A - Reflector plate and backlight module group using the reflector plate - Google Patents
Reflector plate and backlight module group using the reflector plate Download PDFInfo
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- CN101311752A CN101311752A CNA2007101050366A CN200710105036A CN101311752A CN 101311752 A CN101311752 A CN 101311752A CN A2007101050366 A CNA2007101050366 A CN A2007101050366A CN 200710105036 A CN200710105036 A CN 200710105036A CN 101311752 A CN101311752 A CN 101311752A
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Abstract
A reflector plate comprises a polypropylene layer and an anti-deformation layer. The anti-deformation layer is arranged on the polypropylene layer. And the anti-deformation layer is an adhesive layer or an ink layer. The reflector plate is applicable to a backlight module.
Description
Technical field
The invention relates to a kind of reflector plate and use the module backlight of this reflector plate, and particularly have polypropylene (Polypropylene, PP) Ceng a reflector plate and use the module backlight of this reflector plate relevant for a kind of.
Background technology
Along with modern video signal development of technology, LCD has been used on the display screen of consumption electronic products such as mobile phone, mobile computer, personal computer and personal digital assistant in large quantities.Yet, because the display panels of LCD itself does not have luminous function, therefore need below display panels, dispose module backlight providing display panels needed area source, and then make display panels reach the effect of demonstration.Wherein, in order to improve the utilization factor of light source, can in module backlight, dispose reflector plate.
Please refer to Fig. 1, known module backlight 100 comprises lamp box 110, reflector plate 120 and a plurality of cold cathode fluorescent lamp pipe 130.Reflector plate 120 is disposed at the bottom of lamp box 110, and cold cathode fluorescent lamp pipe 130 is positioned at reflector plate 120 tops.Wherein, lamp box 110 bottoms have a plurality of openings 112, in order to for example to be other assembly of solid lock, and for example transducer (inverter) or power supply (power), but the problem of light leak can take place at these opening 112 places.Therefore, reflector plate 120 can comprise reflection horizon 122 and light shield layer 124.The polyethylene terephthalate of reflection horizon 122 employing whites usually (Polyethylene terephthalate, PET), light shield layer 124 then is a black ink, but but there is shortcoming on the high side in the reflection horizon 122 of PET material.Even when light shield layer 124 also adopted black PET, it is higher that the whole cost of reflector plate 120 can become again.
Summary of the invention
The purpose of this invention is to provide a kind of reflector plate, have cheaper material cost.
A further object of the present invention provides a kind of module backlight, and its reflector plate has lower cost, can make the material cost of module integral body backlight reduce.
Other purpose of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching above-mentioned part or whole purposes or other purpose, the present invention proposes a kind of reflector plate, and it comprises polypropylene layer and resistance to deformation layer.The resistance to deformation layer is disposed on the polypropylene layer, and the resistance to deformation layer is glue-line or ink lay.
Be the part or whole purposes or other purpose that reach the present invention, the present invention proposes a kind of module backlight in addition, and it comprises lamp box, light sources and aforesaid reflector plate.Light sources is disposed in the lamp box, and reflector plate is disposed between lamp box and the light sources.
The present invention reintroduces a kind of module backlight, and it comprises lamp box, light sources and at least one aforesaid reflector plate.Light sources is disposed in the lamp box and has a plurality of light sources.Reflector plate is disposed in the lamp box and exposes light source.
The present invention reintroduces a kind of module backlight, and it comprises light guide plate, light sources and aforesaid reflector plate.Light guide plate has exiting surface, bottom surface and at least one incidence surface.Exiting surface is relative with the bottom surface, and incidence surface is connected between exiting surface and the bottom surface.Light sources is disposed at by the incidence surface, and reflector plate is disposed under the bottom surface.
In sum, the present invention adopts the material of expensive PET as reflector plate because of adopting the material of PP as reflector plate compared to prior art, can reduce the material cost of reflector plate effectively.In addition, reflector plate of the present invention has the resistance to deformation layer, and the bulk strength that can increase reflector plate is to avoid the reflector plate distortion.Module backlight of the present invention can reduce cost because of adopting aforementioned reflector plate.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. elaborate.
Description of drawings
Fig. 1 is a kind of sectional view of existing module backlight.
Fig. 2 A is the organigram of the reflector plate of one embodiment of the invention.
Fig. 2 B is the organigram of the reflector plate of another embodiment of the present invention.
Fig. 3 is the sectional view of the module backlight of one embodiment of the invention.
Fig. 4 is the sectional view of the module backlight of another embodiment of the present invention.
Fig. 5 is the sectional view of the module backlight of yet another embodiment of the invention.
Embodiment
The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are directions with reference to the accompanying drawings.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the present invention.
Please refer to Fig. 2 A, the reflector plate 200 of one embodiment of the present of invention comprises polypropylene layer 210 and resistance to deformation layer 220.Wherein, resistance to deformation layer 220 is disposed on the polypropylene layer 210.Polypropylene layer 210 is easier to distortion when being heated, but behind collocation resistance to deformation layer 220, can increase the bulk strength of reflector plate 200 and be difficult for producing distortion when being heated.Therefore, the reflector plate 200 of present embodiment not only because of adopting polypropylene layer 210 to reduce cost, more uses resistance to deformation layer 220 because of collocation and can take into account the bulk strength of reflector plate 200.The reflector plate 200 of present embodiment can be applicable in the module backlight, but also can be applicable to other place.
In addition, resistance to deformation layer 220 can be glue-line or ink lay.If when resistance to deformation layer 220 was glue-line, its material for example was ultraviolet curing glue or solvent-borne type glue, but not as limit.Particularly, resistance to deformation layer 220 can be the glue material that utilizes the mode of irradiation ultraviolet radiation to be cured or to harden, and perhaps resistance to deformation layer 220 can be solvent-borne type glue left solute after solvent evaporates.If when resistance to deformation layer 220 was ink lay, ink lay can be a black ink layer, but not as limit.Use black ink layer to be to make reflector plate 200 to have the function of shading as the advantage of resistance to deformation layer 220.The glue-line that also can use black when certainly, resistance to deformation layer 220 is for glue-line is to provide shaded effect.In order to promote reflector plate 200 integral intensity, the thickness h of resistance to deformation layer 220 is preferably between 0.05 millimeter to 0.5 millimeter.In addition, the color of polypropylene layer 210 can be a white, with the effect of lifting reflection ray, but not as limit.Moreover, tack for 220 on RPP layer 210 and resistance to deformation layer, the surface 212 of polypropylene layer 210 contact resistance to deformation layers 220 can use the flame as 700-800 degree high temperature to come surperficial 212 transient heatings, with the surface structure that destroys polypropylene layer 210 to reduce surface tension, perhaps, adopt the method for corona (corna) to destroy the surface structure of polypropylene layer 210 to reduce surface tension.At another embodiment, reflector plate 200 ' (please refer to Fig. 2 B) can increase one deck priming paint (primer) 230 between polypropylene layer 210 and resistance to deformation layer 220, priming paint 230 for example is interfacial agent, priming paint 230 can be coated the surface 212 of polypropylene layer 210, to increase the effect that resistance to deformation layer 220 is attached to polypropylene layer 210.
Please refer to Fig. 3, the module backlight 300 of one embodiment of the invention comprises lamp box 310, light sources 320 and aforesaid reflector plate 200.Light sources 320 is disposed in the lamp box 310, and reflector plate 200 is disposed between light sources 320 and the lamp box 310.Owing to used aforesaid reflector plate 200 in the module 300 backlight, therefore can reduce whole cost.
In addition, reflector plate 200 for example is towards light sources 320 by polypropylene layer 210.In addition, the bottom of lamp box 310 has because of for example being the opening 312 that the device hole of punch forming forms.Because the resistance to deformation layer 220 of reflector plate 200 can use the material of black to come shield lights, therefore can avoid the problem of opening 312 place's light leaks.In the present embodiment, light sources 320 is made up of a plurality of cold cathode fluorescent lamp pipes, but not as limit.In addition, the material of lamp box 310 can be aluminium or other metal material or non-metallic material.Moreover module 300 backlight also can comprise diffuser plate 330 and at least one blooming piece 340 (among Fig. 3 be example with the multi-disc), but whether these members can be distinguished decision according to need and use.Diffuser plate 330 is disposed on the lamp box 310 and is positioned at light sources 320 tops, so that the light that light sources 320 was provided is done suitable diffusion and obtained uniform surface light source.340 of blooming pieces are to be configured on the diffuser plate 330, do further to adjust with the optical characteristics of light that light sources 320 is provided.Certainly, also can directly be disposed at blooming piece 340 on the lamp box 310 and be positioned at light sources 320 tops, and not use diffuser plate 330.
Please refer to Fig. 4, the module backlight 400 of another embodiment of the present invention comprises lamp box 310, light sources 420 and a plurality of aforesaid reflector plate 200.Light sources 420 is disposed in the lamp box 310 and has a plurality of light sources 422, and reflector plate 200 is disposed in the lamp box 310 and expose light source 422.Owing to used aforesaid reflector plate 200 in the module 400 backlight, therefore can reduce whole cost.
In addition, light sources 420 for example has more a plurality of circuit boards 424, and light source 422 is arranged on the circuit board 424 and with its electric connection.Light source 422 for example is a light emitting diode.In addition, reflector plate 200 for example is with the bottom of resistance to deformation layer 220 towards lamp box 310.Be to be example in the present embodiment, but reflector plate 200 can be a whole piece also, but keep a plurality of openings to expose light source 422 to dispose a plurality of reflector plates 200.In the module backlight 400 of present embodiment, lamp box 310 is identical with the lamp box of Fig. 3, omits its introduction at this.In an embodiment, 410 configurable support members 430 of reflector plate 200 and lamp box come supporting reflex sheet 200, and the diffuser plate 330 of last embodiment also can optionally be applied in the module 400 backlight with blooming piece 340.
With reference to Fig. 5, the module backlight 500 of yet another embodiment of the invention comprises light sources 520, aforesaid reflector plate 200 and light guide plate 540.Light guide plate 540 has an exiting surface 540a, at least one incidence surface 540b and a bottom surface 540c.Exiting surface 540a is relative with bottom surface 540c, and incidence surface 540b is connected between exiting surface 540a and the bottom surface 540c.Light sources 520 is disposed at by the incidence surface 540b, and reflector plate 200 is disposed under the 540c of bottom surface.Owing to used aforesaid reflector plate 200 in the module 500 backlight, therefore can reduce whole cost.
In addition, the module backlight 500 of present embodiment also can comprise reflex housing 510, it is positioned at by the incidence surface 540b of light guide plate 540, light sources 520 then is between light guide plate 540 and reflex housing 510, so the light that light sources 520 provided can be concentrated by reflex housing 510 and enters light guide plate 540.In addition, the light guide plate 540 of present embodiment is to be example with the wedge shape, but not as limit.Reflector plate 200 for example is towards bottom surface 540c by polypropylene layer 210.In the present embodiment, light sources 520 is made up of a cold cathode fluorescent lamp pipe, but light sources 520 also can be a plurality of cold cathode fluorescent lamp pipes.Certainly, light sources 520 also can be as being made up of circuit board and light emitting diode as the light sources 420 of Fig. 4 or being adopted other suitable design.Moreover the module backlight 500 of present embodiment is the design of adopting monolateral light inlet, but module backlight 500 also can adopt the design of polygon light inlet.The blooming piece 340 of previous embodiment also can optionally be applied in the module 500 backlight, and this moment, blooming piece 340 was to be disposed on the exiting surface 540a of light guide plate 540.
In sum, reflector plate of the present invention and module backlight have one of following advantage or part or all of at least:
One, owing to adopt cheap PP material to replace expensive PET material, therefore can reduce the material cost of reflector plate effectively, reduce the whole cost of module backlight simultaneously.
Two,, therefore can increase the intensity of reflector plate and the distortion that keeps from heat owing to have a resistance to deformation layer.
Three, if use the resistance to deformation layer of black, can make reflector plate have the effect of shading concurrently.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; those of ordinary skill under any in the technical field; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when looking being as the criterion that accompanying Claim defines.Arbitrary embodiment of the present invention in addition or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not to be used for limiting interest field of the present invention.
[Reference numeral]
100: backlight module
110: lamp box
112: opening
120: reflector plate
122: the reflecting layer
124: light shield layer
130: the cold cathode fluorescent lamp pipe
200,200 ': reflector plate
210: polypropylene layer
212: the surface
220: the resistance to deformation layer
230: priming paint
H: thickness
300,400,500: module backlight
310: lamp box
312: opening
320,420,520: light sources
330: diffuser plate
340: blooming piece
422: light source
424: circuit board
430: support member
510: reflex housing
540: light guide plate
540a: exiting surface
540b: incidence surface
540c: bottom surface
Claims (35)
1. reflector plate comprises:
Polypropylene layer; With
The resistance to deformation layer is disposed on the described polypropylene layer, and described resistance to deformation layer is glue-line or ink lay.
2. reflector plate as claimed in claim 1 is characterized in that, described ink lay is a black ink layer.
3. reflector plate as claimed in claim 1 is characterized in that, the material of described glue-line is ultraviolet curing glue or solvent-borne type glue.
4. reflector plate as claimed in claim 1 is characterized in that, the thickness of described resistance to deformation layer is between 0.05 millimeter to 0.5 millimeter.
5. reflector plate as claimed in claim 1 is characterized in that, the surface that described polypropylene layer contacts described resistance to deformation layer is the surface of surface structure destroyed.
6. reflector plate as claimed in claim 1 is characterized in that, also comprises one deck priming paint, is disposed between described polypropylene layer and the described resistance to deformation layer.
7. module backlight comprises:
Lamp box;
Light sources is disposed in the described lamp box;
Reflector plate is disposed between described lamp box and the described light sources, and described reflector plate comprises:
Polypropylene layer; With
The resistance to deformation layer is disposed on the described polypropylene layer, and described resistance to deformation layer is a glue
Layer or ink lay.
8. module backlight as claimed in claim 7 is characterized in that, described ink lay is a black ink layer.
9. module backlight as claimed in claim 7 is characterized in that, the material of described glue-line is ultraviolet curing glue or solvent-borne type glue.
10. module backlight as claimed in claim 7 is characterized in that, the thickness of described resistance to deformation layer is between 0.05 millimeter to 0.5 millimeter.
11. module backlight as claimed in claim 7 is characterized in that, the surface that described polypropylene layer contacts described resistance to deformation layer is the surface of surface structure destroyed.
12. module backlight as claimed in claim 7 is characterized in that, described light sources comprises a plurality of cold cathode fluorescent lamp pipes.
13. module backlight as claimed in claim 7 is characterized in that, described reflector plate is towards described light sources with described polypropylene layer.
14. module backlight as claimed in claim 7 is characterized in that the material of described lamp box comprises metal material.
15. module backlight as claimed in claim 7 is characterized in that the bottom of described lamp box has at least one opening.
16. module backlight as claimed in claim 7 is characterized in that described reflector plate also comprises one deck priming paint, is disposed between described polypropylene layer and the described resistance to deformation layer.
17. a module backlight comprises:
Lamp box;
Light sources is disposed in the described lamp box, and described light sources has a plurality of light sources;
At least one reflector plate is disposed in the described lamp box and exposes described light source, and described reflector plate comprises:
Polypropylene layer; With
The resistance to deformation layer is disposed on the described polypropylene layer, and described resistance to deformation layer is a glue
Layer or ink lay.
18. module backlight as claimed in claim 17 is characterized in that, described ink lay is a black ink layer.
19. module backlight as claimed in claim 17 is characterized in that, the material of described glue-line is ultraviolet curing glue or solvent-borne type glue.
20. module backlight as claimed in claim 17 is characterized in that, the thickness of described resistance to deformation layer is between 0.05 millimeter to 0.5 millimeter.
21. module backlight as claimed in claim 17 is characterized in that, the surface that described polypropylene layer contacts described resistance to deformation layer is the surface of surface structure destroyed.
22. module backlight as claimed in claim 17 is characterized in that described light sources also has circuit board, described light source be arranged on the described circuit board and with its electric connection.
23. module backlight as claimed in claim 17 is characterized in that, described reflector plate is with the bottom of described resistance to deformation aspect to described lamp box.
24. module backlight as claimed in claim 17 is characterized in that the material of described lamp box comprises metal material.
25. module backlight as claimed in claim 17 is characterized in that the bottom of described lamp box has at least one opening.
26. module backlight as claimed in claim 17 is characterized in that described reflector plate also comprises one deck priming paint, is disposed between described polypropylene layer and the described resistance to deformation layer.
27. a module backlight comprises:
Light guide plate has exiting surface, bottom surface and at least one incidence surface, and wherein said exiting surface is relative with described bottom surface, and described incidence surface is connected between described exiting surface and the described bottom surface;
Light sources is disposed at by the described incidence surface; With
Reflector plate is disposed under the described bottom surface, and described reflector plate comprises:
Polypropylene layer; And
The resistance to deformation layer is disposed on the described polypropylene layer, and described resistance to deformation layer is a glue
Layer or ink lay.
28. module backlight as claimed in claim 27 is characterized in that, described ink lay is a black ink layer.
29. module backlight as claimed in claim 27 is characterized in that, the material of described glue-line is ultraviolet curing glue or solvent-borne type glue.
30. module backlight as claimed in claim 27 is characterized in that, the thickness of described resistance to deformation layer is between 0.05 millimeter to 0.5 millimeter.
31. module backlight as claimed in claim 27 is characterized in that, the surface that described polypropylene layer contacts described resistance to deformation layer is the surface of surface structure destroyed.
32. module backlight as claimed in claim 27 is characterized in that, described light sources comprises circuit board and a plurality of light emitting diode, described light emitting diode be arranged on the described circuit board and with its electric connection.
33. module backlight as claimed in claim 27 is characterized in that, described light sources comprises at least one cold cathode fluorescent lamp pipe.
34. module backlight as claimed in claim 27 is characterized in that, described reflector plate is towards described bottom surface with described polypropylene layer.
35. module backlight as claimed in claim 27 is characterized in that described reflector plate also comprises one deck priming paint, is disposed between described polypropylene layer and the described resistance to deformation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101050366A CN101311752A (en) | 2007-05-22 | 2007-05-22 | Reflector plate and backlight module group using the reflector plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101050366A CN101311752A (en) | 2007-05-22 | 2007-05-22 | Reflector plate and backlight module group using the reflector plate |
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| Publication Number | Publication Date |
|---|---|
| CN101311752A true CN101311752A (en) | 2008-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101050366A Pending CN101311752A (en) | 2007-05-22 | 2007-05-22 | Reflector plate and backlight module group using the reflector plate |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866029A (en) * | 2010-06-09 | 2010-10-20 | 宁波激智新材料科技有限公司 | Deformation-resistant optics reflecting film, liquid crystal display device and LED lighting equipment |
| WO2013071591A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Flat panel display device and stereo display device |
| WO2013071587A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Reflective plate and backlight system |
| WO2014056259A1 (en) * | 2012-10-10 | 2014-04-17 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US8733958B2 (en) | 2011-11-18 | 2014-05-27 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Flat panel display device and stereoscopic display device |
| US8960986B2 (en) | 2011-11-18 | 2015-02-24 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Reflector plate and backlight system |
| CN104635285A (en) * | 2015-01-30 | 2015-05-20 | 宁波长阳科技有限公司 | High-stiffness coated reflecting film and preparation method thereof |
| CN104913243A (en) * | 2015-05-27 | 2015-09-16 | 武汉华星光电技术有限公司 | Backlight module |
-
2007
- 2007-05-22 CN CNA2007101050366A patent/CN101311752A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866029A (en) * | 2010-06-09 | 2010-10-20 | 宁波激智新材料科技有限公司 | Deformation-resistant optics reflecting film, liquid crystal display device and LED lighting equipment |
| WO2011153833A1 (en) * | 2010-06-09 | 2011-12-15 | 宁波激智新材料科技有限公司 | Deformation-resistant optical reflecting film, liquid crystal display device and led lighting equipment |
| WO2013071591A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Flat panel display device and stereo display device |
| WO2013071587A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Reflective plate and backlight system |
| US8733958B2 (en) | 2011-11-18 | 2014-05-27 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Flat panel display device and stereoscopic display device |
| US8960986B2 (en) | 2011-11-18 | 2015-02-24 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Reflector plate and backlight system |
| WO2014056259A1 (en) * | 2012-10-10 | 2014-04-17 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104635285A (en) * | 2015-01-30 | 2015-05-20 | 宁波长阳科技有限公司 | High-stiffness coated reflecting film and preparation method thereof |
| CN104635285B (en) * | 2015-01-30 | 2017-01-25 | 宁波长阳科技股份有限公司 | High-stiffness coated reflecting film and preparation method thereof |
| CN104913243A (en) * | 2015-05-27 | 2015-09-16 | 武汉华星光电技术有限公司 | Backlight module |
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Open date: 20081126 |