CN205787198U - A kind of high even smooth light guide plate - Google Patents
A kind of high even smooth light guide plate Download PDFInfo
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- CN205787198U CN205787198U CN201620265326.1U CN201620265326U CN205787198U CN 205787198 U CN205787198 U CN 205787198U CN 201620265326 U CN201620265326 U CN 201620265326U CN 205787198 U CN205787198 U CN 205787198U
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- guide plate
- light guide
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Abstract
The utility model discloses a kind of high even smooth light guide plate, include incidence surface, exiting surface and reflecting surface；Also include the light guiding surface being connected with incidence surface top；Described incidence surface is connected with exiting surface by light guiding surface；The plane at described light guiding surface place and the plane at exiting surface place are formed with angle；Described reflecting surface is connected with the bottom of incidence surface；Described reflecting surface gradually decreases to the side away from incidence surface by near the side of incidence surface with the distance of exiting surface；Described reflecting surface is provided with multiple site；The surface of described site is provided with multiple pit；Described exiting surface is provided with multiple astigmatism unit；The surface of described astigmatism unit is provided with Fresnel Lenses；By increasing a light guiding surface, add the guide of emergent ray, it is possible to effectively suppress the phenomenon of light leak；By reflecting surface is obliquely installed and arranges multiple site, arranging multiple pit on site can increase reflective surface area simultaneously, increases the even luminosity of light guide plate.
Description
Technical field
This utility model relates to backlight module field, is specifically related to a kind of high even smooth light guide plate.
Background technology
Light guide plate is an important optical module of light-source system in liquid crystal display, its with light source, other optical module such as reflectance coating, diffusion barrier and photomask constitute back light source system, provide required figure viewed from behind light source for liquid crystal display display pattern.Light guide plate mainly includes light incidence surface, exiting surface, reflecting surface and multiple side, its effect is the some light sent by light source and linear light is injected from incidence surface, the site of molding on reflecting surface, non-uniform reflection, on exiting surface, is finally reached and provides glorious degrees and the most satisfactory purpose of uniformity into backlight.
Along with the raising of people's living standard, people are more and more higher to the even photometric requirement of light guide plate, and the even photosensitiveness of light guide plate in the market is also insufficient for the demand of people.
Utility model content
The purpose of this utility model is to overcome disadvantages described above, it is provided that the even smooth light guide plate of height that a kind of even light effect is high.
For achieving the above object, concrete scheme of the present utility model is as follows: a kind of high even smooth light guide plate, includes incidence surface, exiting surface and reflecting surface；It is characterized in that: also include the light guiding surface being connected with incidence surface top；Described incidence surface is connected with exiting surface by light guiding surface；The plane at described light guiding surface place and the plane at exiting surface place are formed with angle；Described reflecting surface is connected with the bottom of incidence surface；Described reflecting surface gradually decreases to the side away from incidence surface by near the side of incidence surface with the distance of exiting surface；Described reflecting surface is provided with multiple site；The surface of described site is provided with multiple pit；State exiting surface 2 and be provided with multiple astigmatism unit 21；The surface of described astigmatism unit 21 is provided with Fresnel Lenses.
This utility model is further arranged to, and described site is uniformly distributed on the reflecting surface.
This utility model is further arranged to, and described angle is between 30 degree to 60 degree.
This utility model is further arranged to, and described light guiding surface is one-body molded with exiting surface.
This utility model is further arranged to, and described pit is evenly distributed on site.
This utility model is further arranged to, and described astigmatism unit is evenly distributed on exiting surface.
This utility model is further arranged to, and described Fresnel Lenses includes the first luxuriant and rich with fragrance alunite groove group and the second luxuriant and rich with fragrance alunite groove group；The angle of the described first luxuriant and rich with fragrance alunite groove group and the angle of the second luxuriant and rich with fragrance alunite groove group differ.
The beneficial effects of the utility model are:
This utility model is by increasing a light guiding surface, it is possible to the light entering light guide plate is guided, adds guide and the forward luminosity of emergent ray, it is possible to effectively suppress the phenomenon of light leak；By reflecting surface being obliquely installed and arranging multiple site on the reflecting surface, it is possible to penetrate from exiting surface with making uniform light；Multiple pit is set on site simultaneously and can increase reflective surface area, increase the even luminosity of light guide plate；The Fresnel groove group differed by arranging two groups of angles can increase the astigmatism of light guide plate, increases even light effect.
Accompanying drawing explanation
Fig. 1 is the sectional view of this utility model light guide plate；
Fig. 2 is the sectional view of this utility model site；
Fig. 3 is the front view of this utility model exiting surface；
Fig. 4 is the structural representation of this utility model Fresnel Lenses；
Wherein: 1-reflecting surface；2-exiting surface；21-astigmatism unit；The luxuriant and rich with fragrance alunite groove group of 211-first；The luxuriant and rich with fragrance alunite groove group of 212-second；3-incidence surface；4-light guiding surface；5-site；51-pit.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, is not that practical range of the present utility model is confined to this.
As shown in Figures 1 to 4；A kind of high even smooth light guide plate described in the present embodiment, includes incidence surface 3, exiting surface 2 and reflecting surface 1；It is characterized in that: also include the light guiding surface 4 being connected with incidence surface 3 top；Described incidence surface 3 is connected with exiting surface 2 by light guiding surface 4；The plane at described light guiding surface 4 place and the plane at exiting surface 2 place are formed with angle；Described reflecting surface 1 is connected with the bottom of incidence surface 3；Described reflecting surface 1 gradually decreases to the side away from incidence surface 3 by near the side of incidence surface 3 with the distance of exiting surface 2；Described reflecting surface 1 is provided with multiple site 5；The surface of described site 5 is provided with multiple pit 51；Described exiting surface 2 is provided with multiple astigmatism unit 21；The surface of described astigmatism unit 21 is provided with Fresnel Lenses.The present embodiment is by increasing a light guiding surface 4, it is possible to the light entering light guide plate is guided, adds guide and the forward luminosity of emergent ray, it is possible to effectively suppress the phenomenon of light leak；By reflecting surface 1 being obliquely installed and arranging multiple site 5 on reflecting surface 1, it is possible to penetrate from exiting surface 2 with making uniform light；On site 5, arrange multiple pit 51 to increase reflecting surface 1 and amass simultaneously, increase the even luminosity of light guide plate；Exiting surface 2 arranges Fresnel Lenses and can increase the refractive index of light, increase light-dispersing effect, add the even luminosity of light guide plate simultaneously.
A kind of high even smooth light guide plate described in the present embodiment, described site 5 is evenly distributed on reflecting surface 1.Can obtain according to experiment, when site 5 is evenly distributed on reflecting surface 1, light guide plate has higher even luminosity.
A kind of high even smooth light guide plate described in the present embodiment, described angle is between 30 degree to 60 degree.Can obtain, when the angle between the plane and the plane at exiting surface 2 place at light guiding surface 4 place is between 30 degree to 60 degree, it is possible to effectively light is played guiding function according to experiment.
A kind of high even smooth light guide plate described in the present embodiment, described light guiding surface 4 is one-body molded with exiting surface 2.Light guiding surface 4 is one-body molded with exiting surface 2 can be effectively saved material convenient use.
A kind of high even smooth light guide plate described in the present embodiment, described pit 51 is evenly distributed on site 5.Can obtain according to experiment, when pit 51 is evenly distributed on site 5, light guide plate has the highest reflective surface area, and the even luminosity of light guide plate is high.
A kind of high even smooth light guide plate described in the present embodiment, described astigmatism unit 21 is evenly distributed on exiting surface 2；Can obtain according to experiment, when astigmatism unit 21 is evenly distributed on exiting surface 2, light guide plate has the highest refractive index, and the even luminosity of light guide plate is high.
A kind of high even smooth light guide plate described in the present embodiment, described Fresnel Lenses includes the first luxuriant and rich with fragrance alunite groove group 211 and the second luxuriant and rich with fragrance alunite groove group 212；The angle of the described first luxuriant and rich with fragrance alunite groove group 211 and the angle of the second luxuriant and rich with fragrance alunite groove group 212 differ.The Fresnel groove group differed by arranging two groups of angles can increase the astigmatism of light guide plate, increases even light effect.
The above is only a preferred embodiment of the present utility model, therefore all equivalence changes done according to structure, feature and the principle described in this utility model patent claim or modification, it is included in the protection domain of this utility model patent application.
Claims (7)
1. a high even smooth light guide plate, includes incidence surface (3), exiting surface (2) and reflecting surface (1)；It is characterized in that: also include the light guiding surface (4) being connected with incidence surface (3) top；Described incidence surface (3) is connected with exiting surface (2) by light guiding surface (4)；The plane at described light guiding surface (4) place is formed with angle with the plane at exiting surface (2) place；Described reflecting surface (1) is connected with the bottom of incidence surface (3)；Described reflecting surface (1) gradually decreases to the side away from incidence surface (3) by near the side of incidence surface (3) with the distance of exiting surface (2)；Described reflecting surface (1) is provided with multiple site (5)；The surface of described site (5) is provided with multiple pit (51)；Described exiting surface (2) is provided with multiple astigmatism unit (21)；The surface of described astigmatism unit (21) is provided with Fresnel Lenses.
A kind of high even smooth light guide plate the most according to claim 1, it is characterised in that: described site (5) are evenly distributed on reflecting surface (1).
A kind of high even smooth light guide plate the most according to claim 1, it is characterised in that: described angle is 30 degree to 60 degree.
A kind of high even smooth light guide plate the most according to claim 1, it is characterised in that: described light guiding surface (4) is one-body molded with exiting surface (2).
A kind of high even smooth light guide plate the most according to claim 1, it is characterised in that: described pit (51) is evenly distributed on site (5).
A kind of high even smooth light guide plate the most according to claim 1, it is characterised in that: described astigmatism unit (21) is evenly distributed on exiting surface (2).
A kind of high even smooth light guide plate the most according to claim 1, it is characterised in that: described Fresnel Lenses includes the first luxuriant and rich with fragrance alunite groove group (211) and the second luxuriant and rich with fragrance alunite groove group (212)；The angle of the described first luxuriant and rich with fragrance alunite groove group (211) and the angle of the second luxuriant and rich with fragrance alunite groove group (212) differ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265326.1U CN205787198U (en) | 2016-04-01 | 2016-04-01 | A kind of high even smooth light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265326.1U CN205787198U (en) | 2016-04-01 | 2016-04-01 | A kind of high even smooth light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205787198U true CN205787198U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620265326.1U Active CN205787198U (en) | 2016-04-01 | 2016-04-01 | A kind of high even smooth light guide plate |
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| Country | Link |
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| CN (1) | CN205787198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169867A (en) * | 2017-12-27 | 2018-06-15 | 宿州市朗欣实业有限公司 | A kind of mobile phone light guide panel of direction-adjustable |
| CN109036927A (en) * | 2018-07-10 | 2018-12-18 | 苏州达方电子有限公司 | Backlight module and illuminated keyboard |
-
2016
- 2016-04-01 CN CN201620265326.1U patent/CN205787198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169867A (en) * | 2017-12-27 | 2018-06-15 | 宿州市朗欣实业有限公司 | A kind of mobile phone light guide panel of direction-adjustable |
| CN109036927A (en) * | 2018-07-10 | 2018-12-18 | 苏州达方电子有限公司 | Backlight module and illuminated keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170620 Address after: 523000 Dongguan City, Shek Pai Town Po Po Industrial Zone Patentee after: DONGGUAN BIAOXING OPTOELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523000 Dongguan City, Shek Pai Town Po Po Industrial Zone Patentee before: GUANGDONG GMA PHOTOELECTRIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171213 Address after: 523000 Dongguan City, Shek Pai Town Po Po Industrial Zone Patentee after: GUANGDONG GMA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Address before: 523000 Dongguan City, Shek Pai Town Po Po Industrial Zone Patentee before: DONGGUAN BIAOXING OPTOELECTRONIC TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 464000 No. 1 Fuqiang Road, Jinniu Industrial Agglomeration Area, Shuhe District, Xinyang City, Henan Province Patentee after: GUANGDONG GMA OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 523000 Puxin Industrial Zone, Shipai Town, Dongguan City, Guangdong Province Patentee before: GUANGDONG GMA PHOTOELECTRIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190429 Address after: 464000 No. 1 Fuqiang Road, Jinniu Industrial Agglomeration Area, Shuhe District, Xinyang City, Henan Province Co-patentee after: DONGGUAN GMA OPTICAL TECHNOLOGY Co.,Ltd. Patentee after: GUANGDONG GMA OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Co-patentee after: XINYANG GMA OPTOELECTRONIC TECHNOLOGY CO.,LTD. Co-patentee after: XINYANG CENTRAL SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Address before: 464000 No. 1 Fuqiang Road, Jinniu Industrial Agglomeration Area, Shuhe District, Xinyang City, Henan Province Patentee before: GUANGDONG GMA OPTOELECTRONIC TECHNOLOGY Co.,Ltd. |