CN103836437A

CN103836437A - Lamp

Info

Publication number: CN103836437A
Application number: CN201210474073.5A
Authority: CN
Inventors: 周明杰; 祝志斌
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2012-11-21
Filing date: 2012-11-21
Publication date: 2014-06-04

Abstract

The invention discloses a lamp. The lamp comprises a light guide board and at least one light source installed on the light guide board. The light guide board comprises a pair of opposite first side walls, a pair of opposite second side walls, a light outlet face and a bottom face, wherein the second side walls are adjacent to the first side walls; the light outlet face and the bottom face are adjacent to the first side walls and the second side walls respectively; at least one first side wall is provided with a containing groove; the light source is contained in the containing groove; the inner wall face, opposite to the light emitting face of the light source, of the containing groove is a light inlet face of the light guide board; the light inlet face is a convex face protruding towards the light emitting face of the light source; the light outlet face is opposite to the bottom face; the light outlet face protrudes in the direction away from the bottom face. As the light inlet face and the light outlet face are both convex faces, light rays emitted out by the light source are completely guided into the light guide board, the glaring problem caused by outward leakage of the light rays is solved, more light rays are gathered in the middle of the light guide board, and then the problem of a dark space in the middle of the light guide board is solved.

Description

Light fixture

Technical field

The present invention relates to a kind of light fixture.

Background technology

LGP is the important component part of light fixture, for guiding the transmission direction of light.But incidence surface and the exiting surface of existing LGP are plane, the light that not only light source sends can not be imported into LGP completely, light is leaked outside and cause the utilization rate of dazzle and light source not high, and the light that sends of light source to enter the centre position of LGP relatively less, cause centre position easily to produce dark space.

Summary of the invention

The object of the present invention is to provide a kind of light fixture.

In order to solve the problems of the technologies described above, the invention provides a kind of light fixture, it comprises LGP and is installed at least one light source on described LGP.Described LGP comprises a pair of relative the first side wall, a pair of relative second sidewall adjacent with described a pair of the first side wall and respectively exiting surface and the bottom surface adjacent with the second sidewall with described the first side wall respectively, on described at least one the first side wall, offer accepting groove, described light source is contained in described accepting groove, the incidence surface that is described LGP with the light-emitting area internal face respect to one another of described light source on described accepting groove, and described incidence surface is the protruding convex surface to described light source luminescent face, described exiting surface and described bottom surface are oppositely arranged, and described exiting surface is along deviating from described bottom surface direction projection.

Wherein, described LGP also comprises a pair of relative stopper slot that is opened in described accepting groove inwall, one end opening of described accepting groove, described incidence surface is positioned at the inwall that described accepting groove is relative with described opening, and described stopper slot is positioned at another two inwalls of described accepting groove.

Wherein, described light source comprises a pair of projection, and described projection embeds in described stopper slot, with described light source is positioned in described accepting groove and control described light source and described incidence surface between gap.

Wherein, described LGP also comprises a pair of locating slot, and described locating slot is opened in the both sides of described exiting surface.

Wherein, also comprise diffuser plate, described diffuser plate inserts in described locating slot, to filter from the described exiting surface of described LGP light out.

Wherein, also comprise a pair of reflective sheeting, described reflective sheeting is affixed on described the second sidewall, penetrates from described the second sidewall for reducing the light that described light source sends.

Wherein, described LGP also comprises multiple light guiding points, and described light guiding points is laser point and is distributed in described bottom surface with array way.

Wherein, the distribution density of described light guiding points increases and becomes close with the distance between described light guiding points and described incidence surface.

Wherein, the diameter of described light guiding points increases and diminishes with the distance between described light guiding points and described incidence surface.

Wherein, described exiting surface is circular arc convex surface.

Light fixture provided by the invention utilize incidence surface for convex surface and exiting surface be convex surface, the light not only light source being sent imports LGP completely, solve because of the light glare problem causing that leaks outside, and make the more centre position that is gathered in LGP of light, thereby solve the middle dark space problem of LGP.

Accompanying drawing explanation

In order to be illustrated more clearly in technical scheme of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the decomposed schematic diagram of the light fixture that provides of embodiment of the present invention.

Fig. 2 is the schematic diagram of the LGP that provides of embodiment of the present invention.

Fig. 3 is the enlarged drawing of III part in Fig. 2.

Fig. 4 is another angle schematic diagram of the LGP that provides of embodiment of the present invention.

Fig. 5 is the assembling schematic diagram of the light fixture that provides of embodiment of the present invention.

Fig. 6 is the cutaway view of Fig. 5.

Fig. 7 is the enlarged drawing of VII part in Fig. 6.

The specific embodiment

Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.

Please refer to Fig. 1, a kind of light fixture 100 providing for embodiment of the present invention.Described light fixture 100 comprises LGP 20, paper backlight 30, a pair of reflective sheeting 40, diffuser plate 50 and at least one light source 60.

In the present embodiment, described light source 60 is strip and comprises light-emitting area.

Please also refer to Fig. 2 and Fig. 3, LGP 20 comprises front 21, bottom surface 22, a pair of relative the first side wall 23, a pair of relative the second sidewall 24 and multiple installing hole 27.Described installing hole 27 is positioned at the corner of LGP 20, for mounted lamp 100.

In the present embodiment, positive 21 is exiting surface, front 21 and described the first side wall 23 and the adjacent setting of described the second sidewall 24.Bottom surface 22 with positive 21 relative also respectively with described the first side wall and the adjacent setting of described the second sidewall.Described the first side wall 23 is adjacent with described the second sidewall 24 respectively.

In the present embodiment, exiting surface is the convex surface that deviates from bottom surface 22 projections, and exiting surface is circular arc convex surface.At least one the first side wall 23 offers accepting groove 25, and described light source 60 is contained in accepting groove 25.In the present embodiment, each the first side wall 23 offers respectively accepting groove 25.

Described accepting groove 25 is in communication with the outside, and accepting groove 25 has three inwalls and an end opening, and one of them inwall is relative with opening and connect another two inwalls.Described light source 60 inserts in described accepting groove 25 by described opening.

LGP 20 also comprises a pair of relative stopper slot 250 and incidence surface 252, and described stopper slot 250 and incidence surface 252 are all arranged at the inwall of described accepting groove 25.Incidence surface 252 is positioned at described accepting groove 25 inwall relative with opening, and two stopper slots 250 are positioned at another two inwalls of described accepting groove 25.In the present embodiment, incidence surface 252 be on described accepting groove 25 with the light-emitting area internal face respect to one another of described light source 60, and incidence surface 252 is the protruding convex surface to described light source 60 light-emitting areas.

Because the incidence surface 252 of LGP 20 adopts convex surface design, the light that light source 60 can be sent all imports in LGP 20, make front 21 bright dippings of LGP 20 more even, and avoided producing the light glare problem of bringing that leaks outside because light imports complete, and improve the utilization rate of light source.

Because the exiting surface of LGP 20 adopts convex surface design, the light that light source 60 sends is from incidence surface 252 enters LGP 20, light is after LGP 20 inside are repeatedly spread, disperse, reflected and reflect, make light have more light-ray condensing at boss, thereby the light that the exiting surface of LGP 20 penetrates is more even, and solve the problem of the generation dark space, middle part of exiting surface, can obtain uniform area source at the exiting surface of LGP 20, and then the light that whole light fixture 100 is sent is more beautiful soft.

LGP 20 also comprises a pair of locating slot, and described locating slot 26 is opened in positive 21 both sides, for locating diffuser plate 50.

LGP 20 also comprises multiple light guiding points 220 (please refer to Fig. 4), described light guiding points 220 repeatedly spreads, disperses, reflects and reflect and make it flee from LGP 20 and the light energy losses that causes reduces entering the light of LGP 20 inside, thereby the luminous intensity in front 21 is strengthened, and then the brightness uniformity of whole LGP 20 is got a promotion.

In the present embodiment, the bottom surface 22 of LGP 20 is put and be distributed in to described light guiding points 220 for laser.In the position near incidence surface 252, light guiding points 220 distribute evacuate and the diameter of light guiding points 220 relatively large, the closer to the centre of LGP 20, it is also more and more less that light guiding points 220 also starts diameter more and more intensive and light guiding points 220, the distribution density that is described light guiding points 220 increases and becomes close with the distance between described light guiding points 220 and incidence surface 252, and the diameter of described light guiding points 220 increases and diminishes with the distance between described light guiding points 220 and incidence surface 252.

Paper 30 backlight is fitted in the bottom surface 22 of LGP, and the light that light source 60 sends can not spilt from the bottom surface of LGP 20 22.Paper 30 backlight comprises multiple through holes 32, and described through hole 32 is corresponding one by one with described installing hole 27.

Described reflective sheeting 40 is affixed on described the second sidewall 24, go back to LGP 20 inside and penetrate from front 21, and then the light that minimizing light source 60 sends penetrates from described the second sidewall 24 for the light refraction that light source 60 is sent.

In other embodiments, if the light that light source 60 sends can not penetrate from the non-exiting surface of LGP 20, light fixture 100 also can be without paper 30 backlight and described reflective sheeting 40.

Diffuser plate 50 inserts in two locating slots 26 of LGP 20, makes light soft, and can prevent dazzle by uniform light, thereby increase the comfort level that light fixture 100 throws light on for the light filtering from the front 21 of LGP 20 out.Meanwhile, the exiting surface that diffuser plate 50 also can prevent LGP 20, by scratch, has improved the service life of light fixture 100.

In other embodiments, if light from the front 21 of LGP 20 has out been the light of even soft free from glare, light fixture 100 also can be without diffuser plate 50.

Please also refer to Fig. 5 to Fig. 7, in the present embodiment, light fixture 100 comprises two light sources 60.Each light source 60 is contained in the accepting groove 25 of LGP 20, and the light-emitting area of each light source 60 is relative with incidence surface 252.Described light source 60 comprises a pair of protruding 62, and when installation, described protruding 62 embed in the stopper slot 250 of accepting grooves 25, and the described light source 60 after installation is near the incidence surface 252 of LGP 20.In assembling process, by described protruding 62 and described stopper slot 250, the relative position of positioned light source 60 and LGP 20 and control the gap between light source 60 and incidence surface 252, operating personnel can be assembled into one light source 60 and LGP 20 fast.

Light fixture 100 of the present invention also comprises multiple installing taches 70, and when installation, described installing tache 70 is through described through hole 32 and be fixed in the installing hole 27 of LGP 20 so that light fixture 100 is installed on to ceiling or wall.

When installation, described light source 60 be contained in the accepting groove 25 of LGP 20 and the projection of described light source 60 62 embedded in the stopper slot 250 of described accepting groove 25, paper 30 backlight fits in the bottom surface 22 of LGP, diffuser plate 50 inserts in two locating slots 26 of LGP 20, described reflective sheeting 40 is affixed on respectively described the second sidewall 24, more described installing tache 70 is fixed in the installing hole 27 of LGP 20.

Light fixture 100 after installation, rely on described accepting groove 25 light source 60 to be installed in to a side of the incidence surface 252 of LGP 20, realize LGP 20 and light source 60 is combined into one, the relative position of fixed light source 60 and LGP 20, avoid in the time being subject to external impacts or vibration, the relative position of LGP 20 and light source 60 can not be effectively fixing problem, and LGP 20 mutually collides and causes damaging light source 60 with light source 60, simultaneously in convenient working personnel assembling process, effectively control the gap between light source 60 and incidence surface 252, can be not improper because of the clearance control between light source 60 and LGP 20, and affect the brightness of light utilization and the whole light fixture 100 of light source 60.

Because light source 60 directly inserts in the accepting groove 25 of LGP 20 and by the projection 62 of light source 60 and the stopper slot of accepting groove 25 250 positioned light sources 60, without other mounting material, so not only simplify installation procedure but also saved installation cost.Meanwhile, described light source 60 directly with air generation convection current, good heat conduction effect, has extended service life of described light source 60.

The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims

1. a light fixture, comprise LGP and be installed at least one light source on described LGP, it is characterized in that, described LGP comprises a pair of relative the first side wall, a pair of relative second sidewall adjacent with described a pair of the first side wall and respectively exiting surface and the bottom surface adjacent with the second sidewall with described the first side wall respectively, on described at least one the first side wall, offer accepting groove, described light source is contained in described accepting groove, the incidence surface that is described LGP with the light-emitting area internal face respect to one another of described light source on described accepting groove, and described incidence surface is the protruding convex surface to described light source luminescent face, described exiting surface and described bottom surface are oppositely arranged, and described exiting surface is along deviating from described bottom surface direction projection.

2. light fixture according to claim 1, it is characterized in that, described LGP also comprises a pair of relative stopper slot that is opened in described accepting groove inwall, one end opening of described accepting groove, described incidence surface is positioned at the inwall that described accepting groove is relative with described opening, and described stopper slot is positioned at another two inwalls of described accepting groove.

3. light fixture according to claim 2, is characterized in that, described light source comprises a pair of projection, and described projection embeds in described stopper slot, with described light source is positioned in described accepting groove and control described light source and described incidence surface between gap.

4. light fixture according to claim 1, is characterized in that, described LGP also comprises a pair of locating slot, and described locating slot is opened in the both sides of described exiting surface.

5. light fixture according to claim 4, is characterized in that, also comprises diffuser plate, and described diffuser plate inserts in described locating slot, to filter from the described exiting surface of described LGP light out.

6. light fixture according to claim 1, is characterized in that, also comprises a pair of reflective sheeting, and described reflective sheeting is affixed on described the second sidewall, penetrates from described the second sidewall for reducing the light that described light source sends.

7. light fixture according to claim 1, is characterized in that, described LGP also comprises multiple light guiding points, and described light guiding points is laser point and is distributed in described bottom surface with array way.

8. light fixture according to claim 7, is characterized in that, the distribution density of described light guiding points increases and becomes close with the distance between described light guiding points and described incidence surface.

9. light fixture according to claim 7, is characterized in that, the diameter of described light guiding points increases and diminishes with the distance between described light guiding points and described incidence surface.

10. light fixture according to claim 1, is characterized in that, described exiting surface is circular arc convex surface.