CN204513119U - A kind of back light assembly, backlight module and liquid crystal module - Google Patents
A kind of back light assembly, backlight module and liquid crystal module Download PDFInfo
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- CN204513119U CN204513119U CN201520164122.4U CN201520164122U CN204513119U CN 204513119 U CN204513119 U CN 204513119U CN 201520164122 U CN201520164122 U CN 201520164122U CN 204513119 U CN204513119 U CN 204513119U
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- reflectance coating
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Abstract
The utility model provides a kind of back light assembly, backlight module and liquid crystal module, and described back light assembly comprises FPC and luminescent device, also comprises: the first adhered layer, transparent mulch film, the second adhered layer and smooth reflectance coating; Described FPC comprises substrate layer, conductive layer, described conductive layer is covered in the one side of described substrate layer, described conductive layer comprises circuit region and welding region, some pads are comprised in described welding region, described first adhered layer is covered on described FPC, and described transparent mulch film is attached on described first adhered layer; Described second adhered layer is covered on described transparent mulch film, and described smooth reflectance coating is attached on described second adhered layer, and described luminescent device is welded on the pad in described welding region.The utility model solves the coarse and easy dry linting of ink pellet surface in existing structure, causes light can not inject backlight module well and causes the problem of bright spot.Improve light utilization, promote backlight module brightness.
Description
Technical field
The utility model relates to back light model setting technology field, particularly relates to a kind of back light assembly, backlight module and liquid crystal module.
Background technology
Along with popularizing of intelligent terminal; application demand that is ultra-thin, highlighted, giant-screen constantly rises; require also more and more higher to backlight module quality, brightness etc., therefore, the development to backlight module future such as lifting backlight module quality, brightness has very active influence.
As shown in Figure 1, 2, for commonly using the structural representation of backlight module light source assembly at present, Fig. 2 is the sectional view of A-A from Fig. 1, as can be seen from Fig. 1,2, backlight module light source assembly comprises FPC1, luminescent device 2, and wherein FPC1 comprises substrate layer 11, conductive layer 12, double faced adhesive tape 13, transparent mulch film 14 and surface ink 15.This surface ink 15 can form dry linting under external force (as sticking double faced adhesive tape) effect, institute's dry linting grain entry of backlight module luminous zone can form the harmful effect such as dust, bright spot, in addition, the ink 15 being positioned at luminescent device 2 socket position is coarse, light easily forms diffuse reflection in this position, thus optically focused, light can not inject backlight unit well.
Therefore, how to reduce the backlight module dust phenomenon that ink dry linting causes, and how to promote LED light line use ratio the quality-improving of backlight module and luminance raising are had great significance.
Utility model content
The utility model provides a kind of back light assembly, backlight module and liquid crystal module, solves the coarse and easy dry linting of ink pellet surface in existing structure, causes light can not inject backlight module well and cause the problem of bright spot.
For solving the problems of the technologies described above, the utility model provides following scheme:
A kind of back light assembly, comprises FPC and luminescent device, also comprises: the first adhered layer, transparent mulch film, the second adhered layer and smooth reflectance coating;
Described FPC comprises substrate layer, conductive layer, described conductive layer is covered in the one side of described substrate layer, described conductive layer comprises circuit region and welding region, some pads are comprised in described welding region, described first adhered layer is covered on described FPC, and described transparent mulch film is attached on described first adhered layer; Described second adhered layer is covered on described transparent mulch film, and described smooth reflectance coating is attached on described second adhered layer, and described luminescent device is welded on the pad in described welding region.
Further, described smooth reflectance coating is nontransparent.
Further, the color of described smooth reflectance coating comprises: white, silver color or black.
Further, described smooth reflectance coating has fenestration, and described fenestration is corresponding with described welding region;
Described smooth reflectance coating is covered in the region on described FPC between described welding region to the end relative with the exiting surface of described luminescent device;
Further, described smooth reflectance coating has fenestration, and described fenestration is corresponding with described welding region;
Described smooth reflectance coating is covered in the whole region in face, described conductive layer place on described FPC.
A kind of backlight module, comprise framework, light guide plate, reflector plate and blooming piece, also comprise the back light assembly as described in above-mentioned any embodiment, described reflector plate is arranged in described framework, described light guide plate is arranged on described reflector plate, described back light assembly is arranged at the incidence surface of described light guide plate, and described blooming piece is arranged at the exiting surface of described light guide plate.
A kind of liquid crystal module, comprise liquid crystal panel, also comprise backlight module as described above, described liquid crystal panel is arranged on described backlight module.
The beneficial effects of the utility model:
The utility model provides a kind of back light assembly, backlight module and liquid crystal module, ink is not had in this back light modular construction, there is not dry linting phenomenon, and smooth reflectance coating is set on existing FPC basis, make luminescent device socket position surface-brightening, light directly can reflect and enter backlight unit, thus improves light utilization, promotes backlight module brightness.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing light source;
Fig. 2 is the sectional view at A-A place in Fig. 1;
The structural representation of the light source that Fig. 3 provides for the utility model one embodiment;
The sectional view at B-B place in Fig. 3 that Fig. 4 provides for the utility model one embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is a part of embodiment in the utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
By reference to the accompanying drawings the utility model is described in further detail below by detailed description of the invention.
As shown in Figure 3, for the structural representation of the back light assembly that the utility model one embodiment provides, Fig. 4 is the sectional view at B-B place in Fig. 3, as Fig. 3, shown in 4, this back light assembly comprises FPC (FlexiblePrinted Circuit, flex circuit application) 1 and luminescent device 2, also comprise the first adhered layer 13, transparent mulch film 18, second adhered layer 19, smooth reflectance coating 20, wherein, FPC1 comprises substrate layer 11, conductive layer 12, conductive layer 12 is covered in one side substrate layer 11 being arranged luminescent device 2, this conductive layer 12 comprises circuit region 121 and welding region 122, some pads are comprised in this welding region 122, for welding luminescent device 2.
Described first adhered layer 13 is covered on described FPC1, and described transparent mulch film 18 to be attached on described first adhered layer 13; Described second adhered layer 19 is covered on described transparent mulch film 18, and described smooth reflectance coating 20 is attached on described second adhered layer 19.It should be noted that, for the overlay area of the second adhered layer 19, including, but not limited to: the second adhered layer 19 only can be covered in the region on the conductive layer 12 except welding region 122, or, second adhered layer 19 not only can be covered in the region of the conductive layer 12 except welding region 122, and can be covered in further and do not have on the substrate layer 11 of conductive layer 12, smooth reflectance coating 20 is attached on the second adhered layer 19, this smooth reflectance coating has fenestration, make fenestration corresponding with welding region 122, the size of this fenestration is more than or equal to the size of welding region 122, pad in welding region 122 welds luminescent device 2.
In technique scheme, in the whole entry of backlight module of the light sent to enable luminescent device 2, thus improve the utilization rate of light, the color of smooth reflectance coating 20 comprises but does not limit to and white, silver color or black, and be nontransparent, namely ensure that light, at this smooth reflectance coating 20 place, mirror-reflection occurs, make light when this smooth reflectance coating 20 of directive, can not produce printing opacity owing to there is refraction, but all direct reflection enters in backlight module.
In technique scheme, in order to make all light can entry of backlight module well, but also welding resistance effect can be played, prevent from FPC not needing the position of welding soldered, the quality of FPC is caused to cause serious impact, for the overlay area of smooth reflectance coating 20, the region between the welding region 122 that at least should be covered in conductive layer 12 on FPC to the end relative with the exiting surface of luminescent device 2, it is including, but not limited to following overlay area:
One, smooth reflectance coating 20 are covered in the region on FPC1 between welding region 122 to the end relative with the exiting surface of luminescent device 2; Also be, the smooth reflectance coating 20 of region overlay between welding region 122 to the end corresponding with the exiting surface of luminescent device 2, and at other region overlay Non-smooth surface reflectance coatings, as transparent mulch film, or, if not only comprised a part of smooth reflectance coating 20 on same tunic, but also comprised a part of Non-smooth surface reflectance coating, when covering this film, region between welding region 122 to the end corresponding with the exiting surface of luminescent device 2 is corresponding covers smooth reflectance coating 20, and cover Non-smooth surface reflectance coating in other region correspondences, as transparent mulch film.
Two, smooth reflectance coating 20 is covered in the whole region in face, conductive layer 12 place on FPC1, and namely smooth reflectance coating 20 is covered in the one side of FPC1 completely.
In technique scheme; this back light assembly also comprises the 3rd adhered layer 16, cover layer 17; 3rd adhered layer 16 is covered in the another side of base material 11; cover layer 17 is attached on the 3rd adhered layer 16; this cover layer 17 is including, but not limited to transparent mulch film, smooth reflectance coating; preferably; in order to protect FPC better; 3rd adhered layer 16 can be covered in the another side of base material 11 completely; cover layer 17 is attached on the 3rd adhered layer 16 completely; this cover layer 17 also plays welding resistance effect, and the 3rd adhered layer 16 is including, but not limited to double faced adhesive tape.
In technique scheme, conductive layer 12 is including, but not limited to Copper Foil, this Copper Foil is formed circuit region 121 and welding region 122, and luminescent device 2 is including, but not limited to LED light source, and the first adhered layer 13, second adhered layer 19 is including, but not limited to double faced adhesive tape.
Surface ink in existing light source is removed, and use smooth reflectance coating to replace printing-ink in existing light source, this body structure surface does not have ink, there is not dry linting may, and in the socket position of luminescent device 2, due to smooth reflectance coating 20 surface-brightening and be nontransparent, light is all reflected and enters in backlight module, thus promote the brightness of backlight module.
The utility model also provides a kind of backlight module, comprise backlight module frame, light guide plate, reflector plate and blooming piece, also comprise above-mentioned back light assembly, reflector plate is arranged in backlight module frame, light guide plate is arranged on reflector plate, back light assembly is arranged at the incidence surface of light guide plate, and blooming piece is arranged at the exiting surface of light guide plate.
The utility model also provides a kind of liquid crystal module, comprises liquid crystal panel, also comprises above-mentioned backlight module, is arranged on backlight module by liquid crystal panel.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. a back light assembly, comprises FPC and luminescent device, it is characterized in that, also comprise: the first adhered layer, transparent mulch film, the second adhered layer and smooth reflectance coating;
Described FPC comprises substrate layer, conductive layer, described conductive layer is covered in the one side of described substrate layer, described conductive layer comprises circuit region and welding region, some pads are comprised in described welding region, described first adhered layer is covered on described FPC, and described transparent mulch film is attached on described first adhered layer; Described second adhered layer is covered on described transparent mulch film, and described smooth reflectance coating is attached on described second adhered layer, and described luminescent device is welded on the pad in described welding region.
2. back light assembly as claimed in claim 1, it is characterized in that, described smooth reflectance coating is nontransparent.
3. back light assembly as claimed in claim 2, it is characterized in that, the color of described smooth reflectance coating comprises: white, silver color or black.
4. the back light assembly as described in any one of claim 1-3, is characterized in that, described smooth reflectance coating has fenestration, and described fenestration is corresponding with described welding region;
Described smooth reflectance coating is covered in the region between described welding region on described FPC to the end relative with the exiting surface of described luminescent device.
5. the back light assembly as described in any one of claim 1-3, is characterized in that, described smooth reflectance coating has fenestration, and described fenestration is corresponding with described welding region;
Described smooth reflectance coating is covered in the whole region in the face, described conductive layer place on described FPC.
6. a backlight module, comprise framework, light guide plate, reflector plate and blooming piece, it is characterized in that, also comprise the back light assembly as described in any one of claim 1-5, described reflector plate is arranged in described framework, described light guide plate is arranged on described reflector plate, and described back light assembly is arranged at the incidence surface of described light guide plate, and described blooming piece is arranged at the exiting surface of described light guide plate.
7. a liquid crystal module, comprises liquid crystal panel, it is characterized in that, also comprises backlight module as claimed in claim 6, and described liquid crystal panel is arranged on described backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164122.4U CN204513119U (en) | 2015-03-23 | 2015-03-23 | A kind of back light assembly, backlight module and liquid crystal module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164122.4U CN204513119U (en) | 2015-03-23 | 2015-03-23 | A kind of back light assembly, backlight module and liquid crystal module |
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| Publication Number | Publication Date |
|---|---|
| CN204513119U true CN204513119U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520164122.4U Expired - Fee Related CN204513119U (en) | 2015-03-23 | 2015-03-23 | A kind of back light assembly, backlight module and liquid crystal module |
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| CN (1) | CN204513119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656057A (en) * | 2017-10-11 | 2019-04-19 | 群创光电股份有限公司 | Backlight module and display equipment comprising it |
-
2015
- 2015-03-23 CN CN201520164122.4U patent/CN204513119U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656057A (en) * | 2017-10-11 | 2019-04-19 | 群创光电股份有限公司 | Backlight module and display equipment comprising it |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160503 Address after: 241000 Anhui Province, Wuhu City Economic and Technological Development Zone, a road north (plant branch company) Patentee after: Wuhu de Ge optoelectronics Co., Ltd. Address before: 518108. E building, Shiyan Industrial Street, Fukang mountain area, Shiyan City, Shenzhen, Guangdong, Baoan District Patentee before: Shenzhen Techaser Technologies Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20200323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |