TWM581662U - LED indirect lighting fixture - Google Patents

Abstract

An LED indirect lighting fixture comprises a lamp housing, a light source plate mounted therein, two light-type light guide plates and two end light guide plates. The luminaire housing has a half elliptical reflective surface and a light exit. The light source plate is located facing the semi-elliptical reflective surface, and forms the light exit port with the edge of the semi-elliptical reflective curved surface. Two light-type light guide plates are fixed on opposite sides of the light exit opening. Two end light guide plates are fixed on the other opposite sides of the light exit opening.

Description

LED indirect lighting

This creation is a technical field of hair-emitting diode lighting devices, especially a reflective in-line lighting fixture.

A light-emitting diode is a kind of cold energy that converts electrical energy into light energy. The manufactured LED lamp has a service life of up to 100,000 hours under the condition of good heat dissipation, so the application field is very wide. Recently, the luminous efficiency of the light-emitting diode has been improved, and the unit price has been lowered, which has accelerated the formation of the global light-emitting diode lighting market.

Indirect lighting fixtures are light sources that use light-emitting diodes to project light onto a reflector and are reflected by a reflector. Such light sources are soft and less prone to shadows, which is more comfortable for the user. However, if the indirect lighting fixture is not designed, the luminous flux loss is too large, which affects the lighting brightness.

The main purpose of this creation is to provide an LED indirect lighting fixture that uses a semi-elliptical reflective surface to allow the light-emitting diode light to be reflected only once, making such reflective lamps have maximum luminous flux.

The secondary objective of this creation is to provide an LED indirect lighting fixture that is easy to assemble and easy to produce.

In order to achieve the above purpose, the LED indirect lighting fixture comprises a lamp housing, a light source plate mounted therein, two light-type light guide plates and two end light guide plates. The luminaire housing has a half elliptical reflective surface and a light exit. The light source plate is located facing the semi-elliptical reflective surface, and the light exit opening is located between the light source plate and the edge of the semi-elliptical reflective curved surface. Two light-type light guide plates are fixed on opposite sides of the light exit opening. The two end light guide plates are fixed on the opposite sides of the light exit opening.

In an embodiment of the present invention, the light source panel is provided with a plurality of light emitting diodes, and the light emitting diode is located at one of the focal points of the semi-elliptical reflecting curved surface.

In an embodiment of the present invention, the semi-elliptical reflective surface has a high reflectivity diaphragm.

In an embodiment of the present invention, the light-type light guide plate and the end face light guide plate have a high reflectivity film.

In an embodiment of the present invention, the lamp housing further has a first inclined wall and a second inclined wall. The first inclined wall engages the edge of the semi-elliptical reflective curved surface, and the second inclined wall is located on the opposite side of the first inclined wall. The first inclined wall and the second inclined wall are respectively located at two sides of the light exit opening, and the two light-type light guide plates are respectively fixed on the first inclined wall and the second inclined wall.

In an embodiment of the present invention, the luminaire housing further has a socket therein. The socket is connected to the second inclined wall. The light source plate is mounted on a carrier, and the carrier is disposed on the socket portion such that the light emitting diode on the light source plate faces the semi-elliptical reflective surface.

In an embodiment of the present invention, the lamp housing is an integrally formed extruded shape, and the semi-elliptical reflective curved surface, the first inclined wall, the second inclined wall, and the socket are shaped.

In an embodiment of the present invention, a protective lens is further disposed, the protective lens being disposed between the first inclined wall and the second inclined wall.

The implementation of this creation is described in more detail below with reference to the drawings and component symbols.

As shown in FIG. 1, FIG. 2, FIG. 3A and FIG. 3B, respectively, a perspective view and a partial cross-sectional view of the creation are shown. The present invention comprises a lamp housing 1 and a light source plate 2 mounted on the inside thereof, two light-type light guide plates 3 and two end face light guide plates 4. The lamp housing 1 has a half elliptical reflective curved surface 11 and a light exit opening 12. The light source panel 2 faces the semi-elliptical reflective curved surface 11 and forms the light exit opening 12 with the edge of the semi-elliptical reflective curved surface 11. Two light-type light guide plates 3 are located on opposite sides of the light exit opening 12. Two end light guide plates 4 are located on opposite sides of the light exit opening 12. The position of the light-type light guide plate is parallel to the axial direction of the semi-elliptical reflection curved surface 11. The end surface light guide plate 4 is radially distributed on both sides of the semi-elliptical reflection curved surface 11.

Next, a detailed description will be given of the structure of each member. Referring to FIG. 4, the lamp housing 1 has a hollow elongated shell with a tapered shape, and a semi-elliptical reflecting surface 11 and a light exit opening 12 are formed longitudinally in the longitudinal direction. The lamp housing 1 further has a first inclined wall 13 and a second inclined wall 14. The first inclined wall 13 engages the edge of the semi-elliptical reflective curved surface 11. The second inclined wall 14 is on the opposite side. The position of the first inclined wall 13 and the second inclined wall 14 corresponds to both sides of the light exit opening 12. A socket 15 is further disposed in the lamp housing 1 , and the socket 15 is laterally distributed and connected to the second inclined wall 14 . The lampshade 1 is an integrally formed extruded shape, and the semi-elliptical reflecting curved surface 11, the first inclined wall 13, the second inclined wall 14, and the socket 15 are synchronously formed during processing. In addition, the surface of the semi-elliptical reflective curved surface 11 can be coated to form a high reflectivity mirror. However, in order to facilitate the production and processing, this embodiment is to mount a high reflectivity film on the surface.

The light source panel 2 is elongated, and a plurality of light emitting diodes 21 are mounted on the top surface. The light source panel 2 is mounted on the seat holder 15. In this embodiment, in order to install the light source panel 2 more conveniently and correctly, a carrier 5 is additionally provided. The light source plate 2 is first locked to the carrier 5 and then mounted on the socket 15 by the carrier 5. The light source panel 2 faces the semi-elliptical reflective curved surface 11 , and the light emitting diode 21 is distributed at one of the focal points of the semi-elliptical reflective curved surface 11 . Further, the light exit opening 12 is formed between the light source panel 2 and the edge of the semi-elliptical reflective curved surface 11.

The light-type light guide plate 3 is a high-reflectance film. Two light-type light guide plates 3 are respectively disposed on opposite sides of the light exit opening 12. In this embodiment, the two light-type light guide plates 3 are respectively fixed to the first inclined wall 13 and the second inclined wall 14. The light-type light guide plate 3 is configured to make the light reflected at one time to be secondarily reflected, so that the output illumination type meets the requirements.

The end face light guide plate 4 is a high reflectivity film. Two end light guide plates 4 are respectively on opposite sides of the light exit opening 12. The end face light guide plate 4 extends upward to close the two sides of the semi-elliptical reflection curved surface 11, so that the loss of luminous flux on both sides can also be reduced.

In addition, the creation further includes a protective lens 6. The protective lens 6 is disposed between the first inclined wall 13 and the second inclined wall 14 at a position close to the outlet. The protective lens 6 is used to prevent foreign objects from entering the interior and prolong the service life of the product.

In summary, in the above-mentioned LED indirect lighting fixture, the lamp housing 1 is integrally formed, and only the light source panel 2, the light-type light guide panel 3 and the end surface light guide plate 4 are sequentially placed and fixed, and then the relevant control circuit is The components are placed in the remaining space in the lamp housing 1 and the two sides are closed to complete the assembly as a whole, which is quick and easy. And this creation uses reflective illumination, which provides soft light and is not easy to produce shadows, meets the needs of users, and meets the patent application requirements.

The above description is only for the purpose of explaining the preferred embodiment of the present invention, and is not intended to impose any form of limitation on the creation, so that any modification or alteration of the creation made in the same creative spirit is provided. , should still be included in the scope of protection of this creative intent.

1‧‧‧Lighting housing  2‧‧‧Light source board  21‧‧‧Lighting diode  11‧‧‧ Semi-elliptical reflective surface  12‧‧‧Light outlet  13‧‧‧First inclined wall  14‧‧‧Second inclined wall  15‧‧‧ socket  3‧‧‧Light type light guide plate  4‧‧‧End light guide  5‧‧‧ Carrier  6‧‧‧ Protective lenses  

Figure 1 is a perspective view of the LED indirect lighting fixture (1);  Figure 2 is a perspective view of the LED indirect lighting fixture (2);  3A is a partial cross-sectional view (I) of one position of the LED indirect lighting fixture;  3B is a partial cross-sectional view (2) of another position of the LED indirect lighting fixture;  Figure 4 is an enlarged cross-sectional view of the creation.  

Claims (8)

An LED indirect lighting fixture comprising:  a lamp housing having a half elliptical reflective surface and a light exit;  a light source plate is mounted in the lamp housing at a position facing the semi-elliptical reflection surface, and the light exit port is located between the light source plate and the edge of the semi-elliptical reflection surface;  Two light-type light guide plates are fixed in the lamp housing on opposite sides of the light exit opening;  Two end light guide plates are fixed in the lamp housing and are located on opposite sides of the light exit port.   The LED indirect lighting fixture structure of claim 1, wherein the light source panel is provided with a plurality of light emitting diodes, wherein the light emitting diode is located at one of the focal points of the semi-elliptical reflecting curved surface. The LED indirect lighting fixture of claim 1, wherein the semi-elliptical reflecting curved surface has a high reflectivity diaphragm. The LED indirect illumination lamp of claim 1, wherein the light guide plate and the end face light guide plate have a high reflectivity film. The LED indirect lighting fixture of claim 1, wherein the lamp housing further has a first inclined wall and a second inclined wall, the first inclined wall engaging the edge of the semi-elliptical reflecting curved surface, the second inclined wall Located on the opposite side of the first inclined wall, the first inclined wall and the second inclined wall are divided into two sides of the light exiting opening, and the two light-shaped light guiding plates are respectively fixed to the first inclined wall and the first Two oblique walls. The LED indirect lighting fixture of claim 5, wherein the lamp housing further has a socket, the socket is connected to the second inclined wall, and the light source panel is mounted on a carrier, the carrier The pedestal is disposed on the pedestal portion such that the plurality of illuminating diodes on the light source plate face the semi-elliptical reflecting surface. The LED indirect lighting fixture of claim 6, wherein the lamp housing is integrally formed and forms the semi-elliptical reflecting curved surface, the first inclined wall, the second inclined wall and the socket. The LED indirect lighting fixture of claim 1, further comprising a protective lens disposed between the first inclined wall and the second inclined wall.