CN209264998U - A kind of glass light guide plate structure of no bright border - Google Patents
A kind of glass light guide plate structure of no bright border Download PDFInfo
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- CN209264998U CN209264998U CN201821995788.4U CN201821995788U CN209264998U CN 209264998 U CN209264998 U CN 209264998U CN 201821995788 U CN201821995788 U CN 201821995788U CN 209264998 U CN209264998 U CN 209264998U
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- light guide
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- guide plate
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Abstract
The utility model system provides a kind of glass light guide plate structure of no bright border, it is characterized in that, including glass plate body, the upper and lower of glass plate body is respectively equipped with light-emitting surface and optical waveguide layer, one end face of glass plate body is equipped with incidence surface, and incidence surface is connected with ramp down edged surface between light-emitting surface, optical waveguide layer respectively, and the roughness of ramp down edged surface is 10~15nm, the angle of ramp down edged surface and horizontal plane is 3~7 degree, is all covered with a light-absorption layer on the surface of each ramp down edged surface.The propagation angle of light and the direction of propagation after the utility model can effectively change into glass light guide plate, to effectively improve propagation distance of the light inside glass light guide plate, Luminescence Uniformity when can significantly improve using unilateral light source, the path that light is propagated is more flat, the generation probability of glass light guide plate bright border is lower, cooperate special extinction structure, can significantly weaken the bright border phenomenon of glass light guide plate.
Description
Technical field
The utility model relates to glass light guide plates, specifically disclose a kind of glass light guide plate structure of no bright border.
Background technique
Light guide plate refers to back side laser engraving, V-type cross grid engraving or UV screen printing in optical clear plate
Technology stamps light directing site, surface feeding sputtering of the light from light guide plate, each light directing site Shi Huixiang all angles expansion of light arrival
It dissipates, then destroys conditioned reflex and projected by light guide plate front.The light processing performance of glass light guide plate is good, and is not easy to turn to be yellow, and uses
Service life is long.
In the prior art, light guide plate is set as unilateral light source and two side light sources more, is shone using the light guide plate of two side light sources
Brightness is sufficiently large, but will appear apparent bright border at the two edges of light guide plate, influences the illumination effect of light guide plate；Use unilateral light
The light guide plate in source equally will appear apparent bright border, and light guide plate is lower far from brightness at one end of light source, especially light guide plate
Area it is larger when, brightness from light source the phenomenon that gradually successively decreasing it is more obvious, it is non-uniform shine be unable to satisfy it is existing
The demand of illumination, display.
Utility model content
Based on this, it is necessary to it is directed to prior art problem, a kind of glass light guide plate structure of no bright border is provided, it can be significant
The bright border phenomenon for weakening glass light guide plate can effectively improve propagation distance of the light inside glass light guide plate, improve and shine
Evenness.
To solve prior art problem, the utility model discloses a kind of glass light guide plate structure of no bright border, and feature exists
In, including glass plate body, the upper and lower of glass plate body be respectively equipped with light-emitting surface and optical waveguide layer, an end face of glass plate body is equipped with into light
Face, incidence surface are connected with ramp down edged surface between light-emitting surface, optical waveguide layer respectively, and the roughness of ramp down edged surface is 10~15nm, tiltedly
Angle between fillet surface and horizontal plane is 3~7 degree, is all covered with a light-absorption layer on the surface of each ramp down edged surface.
Further, optical waveguide layer includes several light guide ink sites.
Further, the height of incidence surface is 1.3~1.5mm.
Further, projected length of the ramp down edged surface on incidence surface is 3~3.5mm.
Further, light-absorption layer is black light-absorption layer.
Further, glass plate body is equipped with reflector plate close to the side of optical waveguide layer.
The utility model has the following beneficial effects: the utility model discloses a kind of glass light guide plate structure of no bright border, setting
Special light adjustment structure, the principle for being reflected and being reflected using light, the biography of light after can effectively changing into glass light guide plate
Angle and the direction of propagation are broadcast, to effectively improve propagation distance of the light inside glass light guide plate, use can be significantly improved
Luminescence Uniformity when unilateral light source, the path that light is propagated is more flat, and the generation probability of glass light guide plate bright border is lower, matches
Special extinction structure is closed, the bright border phenomenon of glass light guide plate can be significantly weakened.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference are as follows: glass plate body 10, light-emitting surface 11, optical waveguide layer 12, incidence surface 13, ramp down edged surface 14, light-absorption layer 15,
Reflector plate 16, light source 20.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
With reference to Fig. 1.
The utility model embodiment discloses a kind of glass light guide plate structure of no bright border, which is characterized in that including glass plate
Body 10, the upper and lower of glass plate body 10 are respectively equipped with light-emitting surface 11 and optical waveguide layer 12, and an end face of glass plate body 10 is equipped with incidence surface
13, incidence surface 13 is connected with ramp down edged surface 14 between light-emitting surface 11, optical waveguide layer 12 respectively, i.e. ramp down edged surface 14 is located at glass plate
The two sides up and down of 10 one end of body, the roughness of ramp down edged surface 14 are 10~15nm, it is preferable that the roughness of ramp down edged surface 14 is
13nm can effectively ensure adhesion effect of the light absorbent on ramp down edged surface 14 in light-absorption layer 15, ramp down edged surface 14 and level
Angle between face is 3~7 degree, i.e. the angle of ramp down edged surface 14 and light-emitting surface is 3~7 degree, it is preferable that ramp down edged surface 14 and
The angle of horizontal plane is 5 degree, and light occurs to reflect and be reflected on ramp down edged surface 14, can effectively adjust the angle of light propagation
And direction, light loss can be effectively reduced, the brightness of bright border is reduced, while extending the propagation distance of light, improves the equal of light guide plate
Even illumination effect, especially for the setting of unilateral light source, can effectively improve glass plate body 10 far from 13 one end of incidence surface at
Light emission luminance, be all covered with a light-absorption layer 15 on the surface of each ramp down edged surface 14, light source 20 is set to outside incidence surface 13,
Light-absorption layer 15 cooperates the setting of ramp down edged surface 14, and light can be effectively prevent to leak from upper and lower two ramp down edged surfaces 14, can be effective
The uniformity coefficient for improving light-emitting surface light emission luminance, to avoid the occurrence of bright border.
Special light adjustment structure is arranged in the utility model, using light reflect and reflect principle, can effectively change into
Enter the propagation angle of light and the direction of propagation after glass light guide plate, to effectively improve propagation of the light inside glass light guide plate
Distance, Luminescence Uniformity when can significantly improve using unilateral light source, the path that light is propagated is more flat, and glass light guide plate is bright
The generation probability on side is lower, cooperates special extinction structure, can significantly weaken the bright border phenomenon of glass light guide plate.
In the present embodiment, optical waveguide layer 12 includes several light guide ink sites, is formed and is led by printing light guide ink site
Photosphere 12 can effectively keep the optical property of glass plate body 10 itself, it can be ensured that the light processing effect of whole glass light guide plate.
In the present embodiment, the height of incidence surface 13 is 1.3~1.5mm, and the height and general LED light of incidence surface 13 is arranged
The cross-sectional width of pearl matches, and can effectively improve the utilization rate of luminous energy.
Based on the above embodiment, projected length of the ramp down edged surface 14 on incidence surface 13 is 3~3.5mm, i.e. incidence surface 13
Minimum range between 11 edge of the projection on light-emitting surface 11 and light-emitting surface is 3~3.5mm, it is preferable that ramp down edged surface 14 is set
The 3.2mm that is projected as on incidence surface 13 is set, setting ramp down edged surface 14 has reasonable size, it is ensured that reflection, the light tune reflected
Effect is saved, the distance of light propagation can be effectively improved.
Based on the above embodiment, light-absorption layer 15 is black light-absorption layer, and black light-absorption layer is the light absorptive material group by black
At can effectively avoid light from leaking from ramp down edged surface 14, while cooperate ramp down edged surface 14 that the projection on incidence surface 13 is arranged in
For 3~3.5mm, glass light guide plate edge brightness change can effectively reduce to the effect of stimulation of human eye, glass light guide plate is whole
Light emission luminance it is uniform.
In the present embodiment, glass plate body 10 is externally provided with reflector plate 16 close to the side of optical waveguide layer 12, and reflector plate 16 can
Light is effectively collected, avoids light from leaking from the back side of glass light guide plate, the utilization rate of luminous energy can be effectively improved, while can have
Effect ensures the light emission luminance of glass light guide plate entirety.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of glass light guide plate structure of no bright border, which is characterized in that including glass plate body (10), the glass plate body (10)
It is upper and lower be respectively equipped with light-emitting surface (11) and optical waveguide layer (12), an end face of the glass plate body (10) is equipped with incidence surface (13),
The incidence surface (13) is connected with ramp down edged surface (14) between the light-emitting surface (11), the optical waveguide layer (12) respectively, described
The roughness of ramp down edged surface (14) is 10~15nm, and the angle between the ramp down edged surface (14) and horizontal plane is 3~7 degree, often
A light-absorption layer (15) are all covered on the surface of a ramp down edged surface (14).
2. a kind of glass light guide plate structure of no bright border according to claim 1, which is characterized in that the optical waveguide layer (12)
Including several light guide ink sites.
3. a kind of glass light guide plate structure of no bright border according to claim 1, which is characterized in that the incidence surface (13)
Height be 1.3~1.5mm.
4. a kind of glass light guide plate structure of no bright border according to claim 3, which is characterized in that the ramp down edged surface
(14) projected length on the incidence surface (13) is 3~3.5mm.
5. a kind of glass light guide plate structure of no bright border according to claim 4, which is characterized in that the light-absorption layer (15)
For black light-absorption layer.
6. a kind of glass light guide plate structure of no bright border according to claim 1, which is characterized in that the glass plate body
(10) side close to the optical waveguide layer (12) is equipped with reflector plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995788.4U CN209264998U (en) | 2018-11-29 | 2018-11-29 | A kind of glass light guide plate structure of no bright border |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995788.4U CN209264998U (en) | 2018-11-29 | 2018-11-29 | A kind of glass light guide plate structure of no bright border |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264998U true CN209264998U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821995788.4U Active CN209264998U (en) | 2018-11-29 | 2018-11-29 | A kind of glass light guide plate structure of no bright border |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137652A (en) * | 2021-12-07 | 2022-03-04 | 华玻视讯(珠海)科技有限公司 | Novel glass light guide plate |
-
2018
- 2018-11-29 CN CN201821995788.4U patent/CN209264998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137652A (en) * | 2021-12-07 | 2022-03-04 | 华玻视讯(珠海)科技有限公司 | Novel glass light guide plate |
| CN114137652B (en) * | 2021-12-07 | 2023-11-28 | 华玻视讯(珠海)科技有限公司 | Glass light guide plate |
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