WO2015161632A1

WO2015161632A1 - Lamp

Info

Publication number: WO2015161632A1
Application number: PCT/CN2014/089405
Authority: WO
Inventors: 王挺; 王�琦; 黄恺宇
Original assignee: 欧普照明股份有限公司
Priority date: 2014-04-26
Filing date: 2014-10-24
Publication date: 2015-10-29
Also published as: CN105020600B; CN105020600A

Abstract

A lamp comprises multiple light source components and a diffusing member (1). Each light source component comprises light sources (31, 32, 33) and a light control member. The light control member of each light source component causes the light rays of the light sources (31, 32, 33) belonging to the light source component illuminate the local region of the diffusing member (1), so as to form a bright zone in the local region.

Description

Light fixture

Technical field

The invention relates to the field of illumination, and in particular to a lamp.

Background technique

At present, LED lamps sold on the market generally include a casing having an LED light source and a diffusion lens, and the diffusion lens allows the light of the LED light source to uniformly exit through the light exit of the casing. In order to make the light softer and reduce the graininess, a flat diffusing member is arranged at the light exit of the outer casing. In this way, the light of the LED light source is evenly distributed over the entire diffusing member and then exits through the diffusing member. The light from this type of luminaire is relatively monotonous.

Summary of the invention

The technical problem to be solved by the present invention is to provide a lamp.

In order to solve the above technical problem, the luminaire of the present invention includes a plurality of light source components and a diffusion component, each light source component including a light source and a light control component; the light control component of each light source component illuminates the light source of the light source to which the light source component belongs A localized area on the diffusing member to form a bright area in the localized area.

Preferably, a partial area on the diffusing member illuminated by at least one of the light source assemblies partially overlaps a partial area on the diffusing member illuminated by the other or further plurality of light source assemblies.

Preferably, the partial regions on the diffusion member illuminated by the respective light source components do not overlap each other.

Preferably, the light control component is a light guiding portion, and the light guiding portion includes a light channel and a wall enclosing the light channel, the light channel includes an light entrance port and a light exit port, and the light source is disposed at the Into the light.

Preferably, the light guiding portion has a cylindrical shape, and openings at both ends thereof are the light entrance port and the light exit port, respectively.

Preferably, the light guiding portion is made of a material that is opaque to light.

Preferably, the inner surface of the light guiding portion is provided with a reflective layer.

Preferably, the cross-sectional areas of the light guiding portions of at least two of the light source assemblies are different.

Preferably, the lengths of the light guiding portions of at least two of the light source assemblies are different.

Preferably, at least two of the light source assemblies have different distances from the light source to the diffusing member.

Preferably, the distance from the light exit of the light guiding portion of at least two of the light source components to the diffusing member is different.

Preferably, the light source is an LED light source.

Preferably, the luminaire further comprises at least one support plate, and the light source assembly is disposed on the support plate.

Preferably, the number of the support plates is two or more, and each of the support plates is spaced apart, and at least one of the light guide portions of the light source assembly passes through at least one of the support plates.

In the working state, the diffusing member of the luminaire of the present invention forms a blurred bright area, produces a visual effect of defocusing, and has good decorative properties.

DRAWINGS

Figure 1 is a schematic illustration of an embodiment of a luminaire of the present invention;

Figure 2 is an enlarged view of a portion A of Figure 1;

Figure 3 is a schematic view of the lamp of Figure 1 after removing the diffusion member;

Figure 4 is an enlarged view of a portion B of Figure 3;

Figure 5 is an enlarged view of a portion C of Figure 3;

Figure 6 is an enlarged view of a portion D of Figure 3;

Figure 7 is a cross-sectional view of the lamp of Figure 1 taken along a diagonal line thereof;

Figure 8 is an enlarged view of a portion E of Figure 7;

Figure 9 is a perspective view of the light guiding portion;

Figure 10 is a cross-sectional view of the light guiding portion of Figure 9.

detailed description

An embodiment of the luminaire of the present invention will now be described in detail with reference to Figures 1 to 10. The luminaire of this embodiment includes three support plates 21 spaced apart from each other and parallel to each other, a support plate 22, a support plate 23, and a plurality of light source assemblies and diffusion members 1 non-uniformly distributed to the respective support plates. The diffusion member 1 may be made of a material such as acryl. In the present embodiment, the diffusion member 1 has a thin plate shape. Each light source assembly includes a light source and a light control component. In this embodiment, the light source is an LED light source, and the light control component is a light guiding portion. Each of the support plates has a heat dissipating effect, and part of the heat generated by the operation of the LED light source is dissipated through the support plates. The light source components are evenly or non-uniformly distributed on the respective support plates. The light guiding portion may be made of a material such as opaque plastic, so that part of the light of the light source is prevented from being transmitted through the sidewall of the light guiding portion to cause light loss, thereby improving light efficiency. As shown in FIG. 3 and FIG. 4, one of the light source assemblies includes an LED light source 33 and a light guiding portion 53 disposed on the support plate 23, wherein the light guiding portion 53 can be connected to the support plate 23 by bonding or the like. The LED light source 33 is disposed on a substrate (not shown), and the substrate is used to supply power to the LED light source 33. The substrate may be connected to the support plate 23 by bonding or the like. 3 and FIG. 5, another light source assembly includes an LED light source 32 and a light guiding portion 52. The light source assembly is disposed on the support plate 22, wherein the light guiding portion 52 can be connected to the supporting plate 22 by bonding or the like, and the LED light source 32 is disposed on the substrate (not shown), and the substrate is used to supply power to the LED light source 32. The substrate may be connected to the support plate 22 by bonding or the like. In addition, the substrate 23 is opposite to the light source assembly. A through hole is provided at the position so that the light of the light source assembly is not blocked by the substrate 23. 3 and FIG. 6, the third group of light source assemblies includes an LED light source 31 and a light guiding portion 51. The light source assembly is disposed on the support plate 21, wherein the light guiding portion 51 can be connected to the support plate 21 by bonding or the like. The light source 31 is disposed on a substrate (not shown), and the substrate is used to supply power to the LED light source 31. The substrate may be connected to the support plate 21 by bonding or the like. The substrate 22 and the substrate 23 are provided with through holes at positions opposite to the light source assembly such that the light of the light source assembly is not blocked by the substrate 22 and the substrate 23. The support plate 21, the support plate 22, and the support plate 23 are disposed substantially in parallel. The support plate 21, the support plate 22, and the support plate 23 may be made of an insulating material such as plastic. The light control component of each light source component illuminates a light source of the LED light source to which the light source component belongs to a local area on the diffusion component 1 to form a bright area in the partial area, such that the light of each light source component is illuminated Predetermined partial regions on the diffusing member 1 form bright regions in these predetermined partial regions. When the luminaire is in an operating state, a plurality of bright regions are formed on the diffusing member 1, and at the same time, the light diffuses through the diffusing member 1, so that the light in the bright region is blurred and smeared, and a visual effect of defocusing is achieved. Good decorative effect. The partial regions on the diffusing member 1 irradiated by the respective light source components do not overlap each other, so that the bright regions generated by the respective light source components are spaced apart from each other, that is, there are dark regions between the respective bright regions, and bright regions are bright between the bright regions. The boundary between the area and the dark area is distinct and has a good visual effect. The structure of the light guiding portion is described below in conjunction with the light guiding portion 53. The light guiding portion 53 includes a light passage 536 and a wall 538 surrounding the light passage 536. The light passage 536 includes a light entrance opening 531 and a light exit opening 532. The light guiding portion 53 has a cylindrical shape, and openings at both ends thereof are the light entrance opening 531 and the light exit opening 532, respectively. The light guiding portion 53 is made of a material that is opaque, such as plastic. In order to further improve the light effect, the inner surface of the light guiding portion 53 is provided with a reflective layer, for example, a material such as aluminum or copper is coated on the inner surface of the light guiding portion 53 to form the reflective layer. The cross-sectional areas of the light guiding portions of at least two of the light source components are different, for example, the cross-sectional areas of the light guiding portion 51 and the light guiding portion 53 are different, such that at least two of the light source components are formed on the diffusing member 1 The parameters of the bright area are different, for example, the size and brightness of the bright area are different, thereby forming a bright area of at least two different visual effects, which is colorful and enhances the decorative effect. The lengths of the light guiding portions of at least two of the light source components are different. For example, the lengths of the light guiding portion 51 and the light guiding portion 52 are different, and the change of the length of the light guiding portion may also cause changes in parameters such as brightness size and brightness. Thereby forming a bright area of at least two different visual effects, colorful, and enhance the decorative effect. At least two of the light source components have different distances from the LED light source to the diffusion component 1. For example, the LED light source 31 and the LED light source 33 are respectively disposed on different support plates. The distance to the diffusing member 1 is different, and the change of the distance may also cause changes in parameters such as the size of the bright area and the brightness, thereby forming a bright area of at least two different visual effects, which is colorful and enhances the decorative effect. At least two of the light source components of the light guiding portion have different distances from the light exiting port to the diffusing member, and the change of the distance may also cause changes in parameters such as brightness area size and brightness, thereby forming at least two different visual effects. The area is colorful and enhances the decorative effect. The support plate 21, the support plate 22 and the support plate 23 and the diffusion member 1 are locked together by bolts. The bolt includes a bolt rod 71 and a nut 72. Specifically, the support plate 21, the support plate 22, the support plate 23, and the diffusion member 1 are each provided with a mounting hole through which the bolt rod 71 passes through the support plate 21, the support plate 22, and the support plate 23 and The mounting hole of the diffusing member 1 is connected to the nut 72. In order to separate the support plate 21, the support plate 22, the support plate 23 and the diffusion member 1 from each other and form a predetermined distance, an isolation sleeve 91 is disposed between the support plate 21 and the support plate 22, An isolation sleeve 92 is disposed between the support plate 22 and the support plate 23, and an isolation sleeve 93 is disposed between the support plate 23 and the diffusion member 1. A partition 81 made of transparent plastic is vertically disposed at an adjacent edge of the support plate 21; a partition 82 made of a transparent plastic is vertically disposed at an adjacent edge of the support plate 22; near the edge of the support plate 23 A partition 83 made of transparent plastic is vertically disposed.

In the working state, the diffusing part of the luminaire of the invention forms a bright and bright bright area, which produces a good visual effect and has good decorative performance.

As a simple variant of the above embodiment, at least a partial area on the diffusing member illuminated by one of the light source assemblies partially overlaps a partial area on the diffusing member illuminated by the other or a plurality of other light source assemblies.

As a simple modification of the embodiment, the light guiding portion may be provided in other shapes, for example, the cross section thereof is set to a square shape or the like.

As a simple variant of the embodiment, the light source may also be other types of light sources, such as fluorescent light sources.

As another variation of the embodiment, the light control member may also adopt a lens, an LED light source. The light passes through the lens and is irradiated to a partial area of the diffusing member, that is, the lens suitable for the present invention can also illuminate the light of the light source to a predetermined partial area of the diffusing member.

As a simple variant of the above embodiment, the spacing between the respective support plates can be adjusted to adjust the lighting effect of the luminaire.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the equivalents and modifications of the present invention are covered by the scope of the claims of the present invention. Let's take another example.

Claims

A luminaire comprising a plurality of light source components and a diffusing component, each light source component comprising a light source and a light control component; the light control component of each light source component illuminating a local area of the diffusing component with light of a light source to which the light source component belongs To form a bright area in the local area.
The luminaire of claim 1 wherein a partial area on said diffusing member illuminated by at least one of said light source assemblies partially overlaps a partial area on said diffusing member illuminated by said one or more other light source assemblies.
The luminaire according to claim 1, wherein the partial regions on the diffusion member illuminated by the respective light source assemblies do not overlap each other.
The luminaire according to claim 1, wherein the light control member is a light guiding portion, and the light guiding portion comprises a light passage and a wall enclosing the optical passage, the optical passage including an optical entrance and The light exit port is disposed at the light entrance.
The luminaire according to claim 4, wherein the light guiding portion has a cylindrical shape, and openings at both ends thereof are the light entrance opening and the light exit opening, respectively.
The luminaire according to claim 4, wherein the light guiding portion is made of a material that is opaque to light.
The luminaire according to claim 4, wherein the inner surface of the light guiding portion is provided with a reflective layer.
The luminaire of claim 4 wherein at least two of the light source components The cross-sectional area of the light guiding portion is different.
The luminaire of claim 4 wherein the length of the light guiding portions of at least two of the light source assemblies is different.
The luminaire of claim 4 wherein the distances of the light sources of at least two of the light source assemblies to the diffusing members are different.
The luminaire according to claim 4, wherein at least the light exits of the light guiding portions of the two light source assemblies are different in distance from the diffusing member.
The luminaire of claim 1 wherein said light source is an LED light source.
The luminaire according to any one of claims 8 to 11, wherein the luminaire further comprises at least one support plate, and the light source assembly is disposed on the support plate.
The luminaire according to claim 13, wherein the number of the support plates is two or more, and each of the support plates is spaced apart, and at least one of the light guide portions of the light source assembly passes through at least one of the support plates.