CN214064819U

CN214064819U - Lighting lamp

Info

Publication number: CN214064819U
Application number: CN202120232356.3U
Authority: CN
Inventors: 徐正旺; 居荣兵
Original assignee: Aupu Home Style Corp Ltd
Current assignee: Aupu Home Style Corp Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-08-27
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a lighting lamp, belonging to the lighting technology, the existing lamp can only have floodlight or directional light-emitting effect, the utility model comprises a light wedge structure light guide plate, a parallel light system and a floodlight system; the light guide plate with the optical wedge structure is a flat plate, one surface of the light guide plate with the optical wedge structure is a light emergent plane, the other surface of the light guide plate with the optical wedge structure is distributed with grooves, the inclined planes of the grooves face the incident plane to form a reflecting plane, and at least one edge of the light guide plate with the optical wedge structure is set as the incident plane; the parallel light system is arranged corresponding to the incident surface, and parallel light rays of the parallel light system are incident into the light guide plate with the optical wedge structure through the incident surface, reflected by the reflecting surface and then emitted out in a parallel light ray form through the light emitting plane; floodlight rays of the floodlight system are incident into the light guide plate with the light wedge structure, reflected and refracted, and then emergent as floodlight rays through the light emergent plane. The during operation can be alone emergent floodlight, also can be alone emergent parallel light, can also be simultaneously emergent floodlight and parallel light and mutual noninterference.

Description

Lighting lamp

Technical Field

The utility model belongs to the lighting technology, concretely relates to illumination lamp.

Background

The existing lamp is deeply favored by consumers due to the uniform light emitting effect by the simple structural design and the optical system, the light source (designed once or repeatedly) of the conventional lamp is arranged at the bottom or the side edge of the lamp to achieve the light emitting effect of floodlight or orientation, but the conventional lamp can only have the light emitting effect of floodlight or orientation, and certain specific lamps can simultaneously have the floodlight and directional lighting and are complex in structure and high in cost. Moreover, the existing directional light guide optical wedge mass production process is complex, and the overall appearance of the lamp is affected by the inclined plane structure.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model and the technical task that provides overcome the defect that present lamps and lanterns can only have floodlight or a light-emitting effect in the middle of the orientation more, provide a lighting lamp.

In order to achieve the above object, the utility model discloses a lighting lamp, including light wedge structure light guide plate, parallel light system, floodlight system, characterized by:

the light guide plate with the optical wedge structure is a flat plate, one surface of the light guide plate with the optical wedge structure is a light emergent plane, the other surface of the light guide plate with the optical wedge structure is a back surface and is distributed with grooves, inclined surfaces forming the grooves face the incident surface to form a reflecting surface, and at least one edge of the light guide plate with the optical wedge structure is set as the incident surface;

the parallel light system is arranged corresponding to the incident surface, and parallel light rays of the parallel light system are incident into the light guide plate with the optical wedge structure through the incident surface, are reflected by the reflecting surface and then are emitted out in a parallel light ray mode through the light emitting plane;

floodlight rays of the floodlight system enter the light guide plate with the light wedge structure, are reflected and refracted, and then are emitted out through the light emitting plane in floodlight rays.

As a preferable technical means: the floodlight system is a floodlight source distributed corresponding to the incident surface.

As a preferable technical means: and a diffuse reflection reflector is arranged on the back side of the light guide plate with the optical wedge structure.

As a preferable technical means: the floodlight system comprises a diffusion plate and a backlight source, wherein the diffusion plate is arranged on the back side of the light wedge structure light guide plate, the backlight source is positioned on one side of the light wedge structure light guide plate, and light of the backlight source sequentially passes through the diffusion plate and the light wedge structure light guide plate for diffusion.

As a preferable technical means: the floodlight system comprises a light guide plate and a side light source, wherein the light guide plate is arranged on the back side of the light guide plate with the optical wedge structure, the side light source is positioned at the edge of the light guide plate, and light rays of the side light source sequentially diffuse through the light guide plate and the light guide plate with the optical wedge structure.

As a preferable technical means: the incidence surface is an inclined surface or two symmetrical inclined surfaces.

As a preferable technical means: one edge of the light guide plate with the optical wedge structure is a thickened edge, and the incidence face is formed at the thickened edge.

As a preferable technical means: the thickened edge is formed by arranging a transition inclined plane on the back of the light guide plate with the optical wedge structure.

As a preferable technical means: the light rays of the parallel light system are uniformly or non-uniformly distributed.

As a preferable technical means: the back of the light guide plate with the optical wedge structure is a plane, and the light emergent plane is parallel to the back.

The utility model relates to a light wedge structure light guide plate configuration parallel light system, floodlight system, the during operation can the flood light of outgoing alone, also can the parallel light of outgoing alone, can also the flood light of outgoing simultaneously and parallel light and floodlight and parallel light mutually noninterfere.

And, the utility model discloses an optical wedge structure light guide plate is the flat board, and its light-emitting plane is the plane and is parallel to each other with the back, and structural rule is small, can reduce the holistic volume of product.

Drawings

Fig. 1 is a schematic view of light transmission of a structure of the lighting fixture of the present invention;

FIG. 2 is a schematic view of the lighting fixture of FIG. 1 emitting parallel light rays;

FIG. 3 is a schematic view of the lighting fixture of FIG. 1 emitting flood light;

fig. 4 is a schematic view of another light guide plate with optical wedge structure of the lighting device of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is another schematic structural view of the lighting fixture of the present invention;

fig. 7 is a schematic view of a third structure of the lighting device of the present invention;

the reference numbers in the figures illustrate:

11-light wedge structure light guide plate, 12-parallel light source, 13-light emitting plane, 14-reflecting plane, 15-incident plane, 16-light condensing plane, 17-groove and 18-transitional inclined plane;

21-a diffuser plate, 22-a backlight; 23-light guide plate, 24-side light source, 25-floodlight source;

31-diffuse reflection reflector;

b-parallel light, c-flood light.

Detailed Description

The present invention will be further explained with reference to the drawings attached to the specification.

Fig. 1 shows a lighting fixture comprising a wedge-structured light guide plate 11, a parallel light system, a flood light system, and a diffuse reflector 31, wherein other structures of the fixture have been omitted in view of the inventive concept of the lighting fixture for controlling the propagation of light.

In the figure, the light guide plate 11 of the wedge structure is a flat plate, one surface of the light guide plate of the wedge structure is a light exit plane 13, the other surface of the light guide plate of the wedge structure is a back surface and is distributed with grooves 17, the back surface is also a plane and is parallel to the light exit plane, the inclined plane of the formed grooves faces the incident plane to form a reflecting plane 14, one edge of the light guide plate of the wedge structure is an incident plane 15, and the incident plane is an inclined plane. Moreover, one edge of the back of the light guide plate with the optical wedge structure is provided with a transition inclined plane 18 to form a thickened edge, and an incident plane is formed at the thickened edge, so that the area of the incident plane is increased, and more light rays can be incident.

The grooves may exhibit different cross-sectional shapes, as shown in fig. 1-3 and 4-5.

The parallel light system is composed of a parallel light source 12 and a light-gathering surface 16, which are arranged corresponding to the incident surface, and the parallel light of the parallel light system is incident into the light guide plate of the optical wedge structure through the incident surface, reflected by the reflecting surface and then emitted as parallel light through the light-emitting plane, and the light propagation path of the parallel light system is more clearly expressed in fig. 2.

The floodlight system is a floodlight source 25 arranged corresponding to the incident surface and located near the parallel light source 12, floodlight rays of the floodlight source are incident into the light guide plate with the optical wedge structure through the incident surface, reflected and refracted, and then emergent in a floodlight ray form through the emergent plane, and a light ray propagation path under the condition is more clearly expressed in fig. 3.

The diffuse reflection reflector is located at the back side of the light guide plate with the optical wedge structure, and floodlight rays emitted from the back side of the light guide plate with the optical wedge structure can be reflected back to the light guide plate with the optical wedge structure and finally emitted out from the light emitting plane as floodlight rays as shown in fig. 1 and 3, so that the rays of the floodlight source can be fully utilized.

Fig. 6 shows another lighting fixture 10, in which the light guide plate of the wedge structure has two front and back symmetrical inclined planes as the incident plane, the shape of the groove forming the reflecting surface is different from that of fig. 1-3, and the rest of the structure is the same as that of fig. 1-3.

The parallel light source 12 and the light condensing surface 16 are arranged corresponding to the incident surface 15, the light condensing surface 16 integrates the light emitted by the parallel light source 12 into parallel light and emits the parallel light into the light guide plate 11 with the optical wedge structure through the incident surface 15, and the light emitted into the light guide plate 11 with the optical wedge structure is reflected by the reflecting surface 14 and then emits the parallel light through the light emitting plane 13.

In fig. 6, the floodlight system includes a diffusion plate and a backlight source, the diffusion plate is disposed on the back side of the light guide plate with wedge structure, the backlight source is disposed on the side of the diffusion plate opposite to the light guide plate with wedge structure, and the light of the backlight source is diffused through the diffusion plate and the light guide plate with wedge structure in sequence. The diffuser 21 may be replaced by a plate having a light diffusing function such as a frosted plate. During operation, light emitted from the backlight source 22 is diffused through the diffusion plate 21, and light emitted from the diffusion plate 21 is further diffused into floodlight c after passing through the light guide plate 11 with the wedge structure, and the floodlight c is independent of parallel light of the lighting fixture and does not interfere with the parallel light.

Fig. 7 shows a third lighting fixture, which is different from the structure shown in fig. 6 only in that the floodlight system in the structure includes a light guide plate and a side light source, the light guide plate is disposed on the back side of the light guide plate with the optical wedge structure, the side light source is disposed at the edge of the light guide plate, and light from the side light source is diffused through the light guide plate and the light guide plate with the optical wedge structure in sequence. The light guide plate 23 may be replaced by silk screen printing or laser dotting and similar plates with light guide function.

Claims

1. Lighting lamp, including light wedge structure light guide plate, parallel light system, floodlight system, characterized by:

the light guide plate with the optical wedge structure is a flat plate, one surface of the light guide plate with the optical wedge structure is a light emergent plane, the other surface of the light guide plate with the optical wedge structure is a back surface and is distributed with grooves, at least one edge of the light guide plate with the optical wedge structure is set as an incident surface, and the inclined surface of the groove is formed to face the incident surface to form a reflecting surface;

2. The lighting fixture of claim 1, wherein: the floodlight system is a floodlight source distributed corresponding to the incident surface.

3. The lighting fixture of claim 2, wherein: and a diffuse reflection reflector is arranged on the back side of the light guide plate with the optical wedge structure.

4. The lighting fixture of claim 1, wherein: the floodlight system comprises a diffusion plate and a backlight source, wherein the diffusion plate is arranged on the back side of the light wedge structure light guide plate, the backlight source is positioned on one side of the light wedge structure light guide plate, and light of the backlight source sequentially passes through the diffusion plate and the light wedge structure light guide plate for diffusion.

5. The lighting fixture of claim 1, wherein: the floodlight system comprises a light guide plate and a side light source, wherein the light guide plate is arranged on the back side of the light guide plate with the optical wedge structure, the side light source is positioned at the edge of the light guide plate, and light rays of the side light source sequentially diffuse through the light guide plate and the light guide plate with the optical wedge structure.

6. The lighting fixture of claim 1, wherein: the incidence surface is an inclined surface or two symmetrical inclined surfaces.

7. The lighting fixture of claim 6, wherein: one edge of the light guide plate with the optical wedge structure is a thickened edge, and the incidence face is formed at the thickened edge.

8. The lighting fixture of claim 7, wherein: the thickened edge is formed by arranging a transition inclined plane on the back of the light guide plate with the optical wedge structure.

9. The lighting fixture of claim 1, wherein: the back of the light guide plate with the optical wedge structure is a plane, and the light emergent plane is parallel to the back.