CN204387964U - A kind of seamless spliced light guide plate device - Google Patents
A kind of seamless spliced light guide plate device Download PDFInfo
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- CN204387964U CN204387964U CN201420837955.8U CN201420837955U CN204387964U CN 204387964 U CN204387964 U CN 204387964U CN 201420837955 U CN201420837955 U CN 201420837955U CN 204387964 U CN204387964 U CN 204387964U
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Abstract
The utility model discloses seamless spliced light guide plate device, comprise the light guide plate of at least two splicings, a side of described light guide plate is for entering light face, and it is exiting surface with entering adjacent face, light face, and its side relative with entering light face is Mosaic face; Described enter light face vertical with described exiting surface, described Mosaic face is inclined-plane, in adjacent two pieces of light guide plates, the Mosaic face linear contact lay entering light face and another light guide plate of one light guide plate, its contact wire is arranged on the upper surface of described light guide plate, be provided with light reflection assembly below described contact wire, described light reflection assembly comprises illuminating part and reflecting part.Opaque LED lamp bar is arranged on below light guide plate by the utility model, by reflecting part by the light reflection of LED lamp bar to entering light face, make linear contact lay between two pieces of light guide plates, reach seamless spliced object, eliminate the splicing seams formed due to opaque board structure of circuit, breach the restriction of light guide plate size, meet modern for giant-screen and more frivolous requirement.
Description
Technical field
The utility model belongs to electron-optical lighting technical field, is specifically related to a kind of seamless spliced light guide plate device.
Background technology
Light guide plate itself is not luminous, need to be equipped with corresponding light source, light guide plate can be divided into side incidence type light guide plate and direct type light guide plate two kinds, light source due to direct type light guide plate is arranged on the bottom of light guide plate, in order to the uniformity of brightness, general needs stay certain gap, and therefore the thickness of straight down type guide light panel assembly has certain restriction, can not meet the requirement of modern liquid crystal display product for thinness.And the light source of side incidence type light guide plate is arranged on side, side incidence type light guide plate device can do very thin, but when doing large-sized display screen, light guide plate edge is away from light source, there is the problem that light is uneven, therefore the size of light guide plate is restricted, if when doing large-sized display screen, needs light guide plate less for polylith area to splice.
As shown in Figure 1, the corresponding illuminator 11 of existing light guide plate 1, illuminator 11 is arranged on the edge of described light guide plate 1 and the stitching portion of adjacent two light guide plates 1, illuminator 11 is opaque board structure of circuit, unavoidably there is the splicing seams for placing illuminator 11 of 10mm to 20mm in the stitching portion therefore between light guide plate 1, like this, have impact on the effect of overall display, and profile unsightly, do not meet modern for the requirement beautified.
Utility model content
There is the technological deficiency of splicing seams to overcome the splicing of above-mentioned light guide plate, the utility model provides a kind of seamless spliced light guide plate device of uniform in light emission.
In order to solve the problem, the utility model is achieved by following technical scheme:
Seamless spliced light guide plate device described in the utility model, comprise the light guide plate of at least two splicings, one side of described light guide plate is for entering light face, it is exiting surface with entering adjacent face, light face, its side relative with entering light face is Mosaic face, and the light face correspondence of entering being located at edge of spliced light guide plate is provided with illuminator; Described enter light face vertical with described exiting surface, described Mosaic face is inclined-plane, in adjacent two pieces of light guide plates, the Mosaic face linear contact lay entering light face and another light guide plate of one light guide plate, its contact wire is arranged on the upper surface of described light guide plate, be provided with light reflection assembly below described contact wire, described light reflection assembly comprises illuminating part, for the light reflection of described illuminating part to light guide plate being entered the reflecting part in light face.
Further, in order to make the light of light guide plate vertically enter into light face, described reflecting part is triangle reflecting prism, comprises bottom surface, the first reflecting surface and the second reflecting surface; The light-emitting area of described illuminator is connected with described bottom surface respectively with the light face of entering of described light guide plate.
Further, described reflecting prism is total reflection prism, and two orthogonal plane is respectively the first reflecting surface and the second reflecting surface, and what make light ray parallel enter light guide plate enters light face, reduces loss when light transmits.
Further, the angle of described Mosaic face and light guide plate upper surface is 45 degree, is connected, reaches seamless effect with total reflection prism second reflecting surface.
Further, in order to ensure not light leak, increase the utilization rate of light, the bottom surface of described light guide plate, Mosaic face and other two upright sides are reflective surface, and described reflective surface scribbles reflective oil.
Further, the upper surface of described light guide plate is exiting surface, and it is provided with diffusing structure, and described diffusing structure comprises some regularly arranged scattering points, described scattering point is annular protrusion, the density of described scattering point along with described enter the distance in light face increase and increase.
Further, described illuminator is LED lamp bar, and the cross section of described LED lamp bar is square, and one side is light-emitting area, and be connected with the light face of entering of described reflecting part, other side is sealing surface, energy-conserving and environment-protective, and prevents light leak.
Compared with prior art, the beneficial effects of the utility model are:
Opaque LED lamp bar is arranged on below light guide plate by the utility model, by reflecting part, the light reflection of LED lamp bar is entered light face to light guide plate, and the Mosaic face with reflecting part surface engagement is set on light guide plate, reach seamless spliced object, eliminate the splicing seams formed due to opaque board structure of circuit, make bright dipping evenly, show more attractive in appearance.Breach the restriction of light guide plate size, can do very thin simultaneously, meet modern for large screen display, more frivolous designing requirement.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:
Fig. 1 is existing light guide plate splicing schematic diagram;
Fig. 2 is the structural representation of light guide plate unit in embodiment one;
Fig. 3 is the structural representation of the light guide plate of embodiment one;
Fig. 4 is the structural representation of scattering point in embodiment one;
Fig. 5 is the structural representation of total reflection prism in embodiment one;
Fig. 6 is the structural representation of seamless spliced light guide plate described in embodiment one;
In figure: the existing light guide plate of 1-, 11-illuminator, 2-light guide plate, 21-exiting surface, 211-scattering point, 22-enters light face, 23-Mosaic face, 24-lower surface, 3-total reflection prism, 31-bottom surface, 32-first fully reflecting surface, 33-second fully reflecting surface, 4-LED lamp bar; 5-side direction light plate, the 51-plane of incidence, 52-exit facet, 53-transparent surface, 54-the 4th side surface.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Fig. 2 ~ Fig. 6, seamless spliced light guide plate device described in the utility model, comprise the light guide plate 2 of at least two splicings, one side of described light guide plate 2 is for entering light face 22, its upper surface is exiting surface 21, and the side relative with entering light face 22 is Mosaic face 23, and its lower surface 24 is reflective surface, described enter light face 22 vertical with exiting surface 21, described Mosaic face 23 is less than 90 degree with the angle of exiting surface 21.The light face correspondence of entering that spliced light guide plate is arranged on edge is provided with illuminator, in adjacent two light guide plates, Mosaic face 23 linear contact lay entering light face 22 and another light guide plate of one light guide plate, its contact wire is arranged on the exiting surface 21 of light guide plate 2, light reflection assembly is provided with below described contact wire, described light reflection assembly comprises LED lamp bar 4 and the reflecting part for light reflection to the light guide plate of lED lamp bar 4 being entered light face, reflecting part in the present embodiment is total reflection prism 3, the light reflection of LED lamp bar 4 is entered light face to light guide plate 2 by described total reflection prism 3, described total reflection prism 3 comprises bottom surface 31 and the first reflecting surface 32 and the second reflecting surface 33.
One side of described LED lamp bar 4 is light-emitting area, and other side is sealing surface, and described LED lamp bar 4 is arranged on bottom light guide plate 2, and its light-emitting area is connected with the bottom of described bottom surface 31, and the light face of entering of described light guide plate 2 is connected with the top of bottom surface 31.
In the present embodiment, described Mosaic face 23 is 45 degree with the angle of exiting surface 21, and described Mosaic face 23 coordinates with the second fully reflecting surface 33 of the total reflection prism of another light guide plate unit.The Mosaic face 23 of described light guide plate, lower surface 24 and other two vertical sides all scribble reflective oil.
Described exiting surface 21 is provided with regularly arranged scattering point 211, and described scattering point 211 is annular projection, described scattering point 21 density along with scattering point 21 with described enter the distance in light face increase and increase, make light scattering evenly.
The light face correspondence of entering of an initial light guide plate is provided with illuminator, illuminator in the present embodiment is identical with light reflection assembly, but illuminator of the present utility model is not limited to this structure, also can be the illuminating part that arrange corresponding to entering light face, the light of illuminating part directly enters into light face.
Reflecting part in the present embodiment is total reflection prism, but reflecting part of the present utility model is not limited to total reflection prism, also can be other Tp, at the first reflecting surface and the second reflecting surface, reflective oil is set, light can be realized enter from bottom, bottom surface, through the reflection of the first reflecting surface and the second reflecting surface, penetrate through the top of bottom surface.
The operation principle of seamless spliced total reflection prism multi-source light guide plate described in the utility model is:
LED lamp bar 4 emits beam, total reflection prism 3 is entered and by the reflection of the first fully reflecting surface 32 and the second fully reflecting surface 33 through the bottom surface 31 of total reflection prism 3, what light entered light guide plate 2 through bottom surface 31 enters light face 22, light goes out from exiting surface 21 homogenous diffusion under the scattering point effect of light guide plate 2, and under the reflective oil effect of reflective surface, by light reflection to light guide plate 2, make light repeat scattering, increase light utilization.Light guide plate 2 arranges the Mosaic face of inclination, coordinates with the second fully reflecting surface 33, reach the object that two pieces of light guide plates are seamless spliced.
Opaque LED lamp bar is arranged on the below of light guide plate by the utility model, by reflecting part, light reflection is entered light face to light guide plate, and light is vertically injected into light face, improve the utilization rate of light, make the light of exiting surface evenly injection, the Mosaic face coordinated with reflecting part is set in the another side of light guide plate, reaches the object of seamless spliced light guide plate, and adopt multiple light courcess, unique scattering point structure, make light scattering even, aesthetic appeal, makes display effect better.
Other structure of light guide plate device seamless spliced described in the present embodiment is see prior art.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, therefore everyly do not depart from technical solutions of the utility model content, the any amendment done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a seamless spliced light guide plate device, comprise the light guide plate of at least two splicings, one side of described light guide plate is for entering light face, it is exiting surface with entering adjacent face, light face, its side relative with entering light face is Mosaic face, and the light face correspondence of entering being located at edge of spliced light guide plate is provided with illuminator; It is characterized in that: described in enter light face vertical with described exiting surface, described Mosaic face is inclined-plane, in adjacent two pieces of light guide plates, the Mosaic face linear contact lay entering light face and another light guide plate of one light guide plate, its contact wire is arranged on the upper surface of described light guide plate, be provided with light reflection assembly below described contact wire, described light reflection assembly comprises illuminating part, for the light reflection of described illuminating part to light guide plate being entered the reflecting part in light face.
2. light guide plate device seamless spliced according to claim 1, is characterized in that: described reflecting part is triangle reflecting prism, comprises bottom surface, the first reflecting surface and the second reflecting surface; The light-emitting area of described illuminator is connected with described bottom surface respectively with the light face of entering of described light guide plate.
3. light guide plate device seamless spliced according to claim 2, is characterized in that: described triangle reflecting prism is total reflection prism, and two orthogonal plane is respectively the first reflecting surface and the second reflecting surface.
4. light guide plate device seamless spliced according to claim 3, is characterized in that: the angle of the upper surface of described Mosaic face and light guide plate is 45 degree.
5. light guide plate device seamless spliced according to claim 2, is characterized in that: the bottom surface of described light guide plate, Mosaic face and other two upright sides are reflective surface, and described reflective surface scribbles reflective oil.
6. light guide plate device seamless spliced according to claim 1, is characterized in that: the upper surface of described light guide plate is exiting surface, and it is provided with diffusing structure.
7. light guide plate device seamless spliced according to claim 6, is characterized in that: described diffusing structure comprises some scattering points, and described scattering point is annular protrusion, the density of described scattering point along with described enter the distance in light face increase and increase.
8. light guide plate device seamless spliced according to any one of claim 1 to 7, is characterized in that: described illuminator is LED lamp bar.
9. light guide plate device seamless spliced according to claim 8, is characterized in that: the cross section of described LED lamp bar is square, and one side is light-emitting area, and other side is sealing surface.
10. light guide plate device seamless spliced according to claim 9, is characterized in that: described illuminator is identical with light reflection assembly, or described illuminator be one with described enter the corresponding LED lamp bar arranged in light face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837955.8U CN204387964U (en) | 2014-12-23 | 2014-12-23 | A kind of seamless spliced light guide plate device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837955.8U CN204387964U (en) | 2014-12-23 | 2014-12-23 | A kind of seamless spliced light guide plate device |
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| CN204387964U true CN204387964U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420837955.8U Active CN204387964U (en) | 2014-12-23 | 2014-12-23 | A kind of seamless spliced light guide plate device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725380A (en) * | 2019-01-07 | 2019-05-07 | 蓝思科技股份有限公司 | Light guide plate and preparation method thereof, encapsulated jig, optical sensor and electronic equipment |
| CN110587145A (en) * | 2019-09-19 | 2019-12-20 | 厦门市益津鹭科技有限公司 | Manufacturing method of large-size hot-pressing screen printing plate |
| CN113990211A (en) * | 2021-11-15 | 2022-01-28 | Tcl华星光电技术有限公司 | Display screen and display device |
| CN116543651A (en) * | 2023-03-13 | 2023-08-04 | 北京中电拓方科技股份有限公司 | Spliced LED display screen and installation method |
-
2014
- 2014-12-23 CN CN201420837955.8U patent/CN204387964U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725380A (en) * | 2019-01-07 | 2019-05-07 | 蓝思科技股份有限公司 | Light guide plate and preparation method thereof, encapsulated jig, optical sensor and electronic equipment |
| CN109725380B (en) * | 2019-01-07 | 2020-12-22 | 蓝思科技股份有限公司 | Light guide plate and preparation method thereof, rubber coating jig, optical sensor and electronic equipment |
| CN110587145A (en) * | 2019-09-19 | 2019-12-20 | 厦门市益津鹭科技有限公司 | Manufacturing method of large-size hot-pressing screen printing plate |
| CN110587145B (en) * | 2019-09-19 | 2021-05-25 | 厦门市益津鹭科技有限公司 | Manufacturing method of large-size hot-pressing screen printing plate |
| CN113990211A (en) * | 2021-11-15 | 2022-01-28 | Tcl华星光电技术有限公司 | Display screen and display device |
| CN116543651A (en) * | 2023-03-13 | 2023-08-04 | 北京中电拓方科技股份有限公司 | Spliced LED display screen and installation method |
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Effective date of registration: 20160304 Address after: 510335 Guangdong city in Guangzhou Province, Haizhuqu District Road No. 618 Xingang South Fenghui Global trade and Exhibition Center from eleventh to 14 Patentee after: GUANGZHOU METRO GROUP CO., LTD. Address before: 12, No. 510335, Xingang East Road, Haizhuqu District, Guangdong, Guangzhou Province, 618 floor, South China Hui Global Exhibition Center Patentee before: Guangzhou Metro Corporation |