CN110594607A

CN110594607A - Modular colorful luminous flat plate device

Info

Publication number: CN110594607A
Application number: CN201911025526.4A
Authority: CN
Inventors: 刘东青; 程海峰; 李铭洋; 罗志坚; 冯望成
Original assignee: National University of Defense Technology
Current assignee: National University of Defense Technology
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2019-12-20

Abstract

The invention discloses a modularized colorful light-emitting flat plate device, which is a regular hexagon or rhombus multi-layer stacked plane structure, and sequentially comprises the following components from an outer layer to an inner layer: polarizing film, diffusion barrier, light guide plate, reflectance coating and circuit board, a plurality of LED lamp pearls have been installed at the positive edge or the bight of circuit board. The invention adopts the light-emitting mode that the LED lamp beads laterally enter the light guide plate, so that the whole flat panel device is thinner and thinner, and the space is efficiently saved. The invention selects the LED-based luminous color-changing technology, can well keep the color even under the outdoor sun irradiation condition, has rich color change and uniform illumination, and is suitable for the field of intelligent illumination and the field of intelligent camouflage.

Description

Modular colorful luminous flat plate device

Technical Field

The invention relates to the field of intelligent illumination or intelligent camouflage, in particular to a modularized colorful light-emitting flat plate device.

Background

With the increasingly improved home conditions of people, the requirements of consumers on indoor lighting devices are different, and the light-emitting device is required to have fashionable individuality and to embody the individuation design of an owner, namely, the light-emitting device is a high-efficiency, energy-saving, uniform and soft surface light source when in work, and has a design sense when in a closed state or is an ornament conforming to the indoor design. The LED flat panel device is simple and elegant, the designability is strong, the LED light-emitting color rendering performance is excellent, the color change is rich, various requirements of people on the luminous environment can be met, and the LED flat panel light-emitting lamp has a good development prospect in both market space and consumer demands.

The LED light-emitting flat plate device in the existing market mainly adopts two types of direct light-emitting and side light-emitting, and a light source of the LED direct light-emitting is arranged at the bottom of the light-emitting device, so that the light-emitting device is thick in thickness and large in size in order to promote uniform light-emitting illumination; compared with the prior art, the LED side-emitting flat panel device has the advantages that the light source is arranged on the side face of the device, the device can be made to be very light and thin, the pursuit of consumers on the appearance is better met, and the LED side-emitting flat panel device has better development prospect.

At present, most of common lamps are white when not in operation, and if the lamps can also be colorful when not in operation, the decoration effect of the lamps on the indoor is more prominent. The polarizing film can effectively eliminate strong reflection light and scattered light, so that the light becomes soft, the scenery seen by human eyes is clearer, and the polarizing film is widely applied to LED displays.

Disclosure of Invention

The technical problem of the present invention is to overcome the disadvantages and defects mentioned in the background art, and to develop a modular multi-color light emitting panel device with simple structure, easy installation and rich color variation, the technical scheme proposed by the present invention is as follows:

the utility model provides a modular colorful dull and stereotyped device that gives out light, is regular hexagon or the plane structure that the multilayer of rhombus stacked, outer to inlayer include in proper order: polarizing film, diffusion barrier, light guide plate, reflectance coating and circuit board, a plurality of LED lamp pearls have been installed at the positive edge or the bight of circuit board.

Preferably, the LED lamp beads are stacked with a light guide plate, the front surface of the light guide plate is pasted with a diffusion film, the back surface of the light guide plate is pasted with a reflection film, the reflection film faces the LED lamp beads, and the diffusion film is pasted with a polarizing film.

Preferably, the polarizing film is off-white, colorless, dark, or colored.

Preferably, more than one lamp bead groove is carved on the edge or the corner of the light guide plate, and more than one LED lamp bead is correspondingly arranged in more than one lamp bead groove.

The invention also provides an LED lamp array, which comprises a plurality of modularized colorful light-emitting flat plate devices which are sequentially spliced, wherein the colorful light-emitting flat plate devices are tiled and spliced on a planar base or a non-planar base or are laid in an array.

The invention has the following beneficial effects:

according to the modularized colorful light-emitting flat plate device, light emitted by an LED passes through the light guide plate and is uniformly reflected upwards by the reflecting film; the diffusion film is attached to the upper surface of the light guide plate, and after light emitted by the light guide plate is scattered by the particle medium in the diffusion film, the point light source of the LED becomes a uniform surface light source.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a modular multicolor light panel apparatus according to a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of the light emitting path of the device according to the preferred embodiment of the present invention.

The reference numerals in the figures denote:

1. a polarizing film; 2. a light guide plate; 3. a reflective film; 4. a diffusion membrane; 5. LED lamp beads; 6. a circuit board.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, the multi-color light emitting device of the present invention is a regular hexagonal or rhombic multi-layer stacked planar structure, and sequentially includes, from an outer layer to an inner layer: polarizing film 1, diffusion barrier 4, light guide plate 2, reflection coating 3 and circuit board 6, a plurality of LED lamp pearl 5 have been installed to the edge or the bight of the front of circuit board 6. The side of the light guide plate 2 is provided with LED lamp beads 5, the front of the light guide plate 2 is pasted with a diffusion film 4, the back of the light guide plate 2 is pasted with a reflection film 3, and the reflection film 3 faces the LED lamp beads 5. Light emitted by the LED lamp beads 5 passes through the light guide plate 2 and is uniformly reflected upwards by the reflecting film 3; the diffusion film 4 is attached to the upper surface of the light guide plate 2, and after light emitted by the light guide plate 2 is scattered by the particle medium in the diffusion film 4, the point light source of the LED becomes a uniform surface light source.

In this embodiment, the polarizing film 1 is further attached to the diffusion film 4, so that light becomes soft, glare is prevented, and the scenery seen by human eyes is clear and natural. The polarizing film 1 may be set to grayish white, colorless, dark color or colored depending on the application field. Such as: the color or transparent LED lamp can be used in the field of intelligent illumination, the colorless LED lamp is a common LED lamp, and the luminous device can display colorful patterns in a closed state when the color LED lamp is used; if the dark color (such as gray color) is adopted, the device has a camouflage effect in a closed state of the device, and can be used in the field of intelligent camouflage. The colors are also colorful in the device off state.

During implementation, more than one lamp bead groove is carved on the edge or the corner of the light guide plate 2, and more than one LED lamp bead 5 is correspondingly arranged (embedded) in more than one lamp bead groove. The manufactured modularized colorful light-emitting flat plate device is also in a regular hexagon shape, and plane splicing and combination are facilitated.

In this embodiment, the circuit board 6 at the lowest layer is preferably made of composite material or an aluminum PCB, and a circuit and a chip for controlling the light emission of the LED are printed on the bottom surface; the reflecting film 3 is attached to the back of the light guide plate 2, and grooves are formed in the edge of the light guide plate 2 corresponding to the lamp beads, so that the LED lamp beads 5 can be embedded into the grooves, and a side-entering type light guide mode is formed by referring to fig. 2, and the space can be efficiently saved. The light guide plate 2 is made of a high polymer material with high visible light transparency; the reflecting film 3 is a white film, and light emitted by the LED passes through the light guide plate 2 and is uniformly reflected upwards by the reflecting film 3; after the light emitted by the light guide plate 2 is scattered by the particle medium in the diffusion film 4, the light emitting area is larger, and the uniformity is better.

This embodiment still provides a LED lamp battle array, including a plurality of the colorful dull and stereotyped devices of the modularization of piecing together in proper order, a plurality of colorful luminous dull and stereotyped devices tiling on planar base or non-planar base is pieced together or is the array and lays. The colorful and diversified LED lamp arrays can be randomly combined by controlling the number of the flat plates.

In summary, the light emitted by the LED of the present invention passes through the light guide plate 2 in a lateral entrance manner, and is uniformly reflected upward by the reflective film 3; the diffusion film 4 is attached to the upper surface of the light guide plate 2, and after light emitted by the light guide plate 2 is scattered by the particle medium in the diffusion film 4, the point light source of the LED becomes a uniform surface light source. The invention selects the LED-based luminous color-changing technology, can well keep the color even under the outdoor sun irradiation condition, has rich color change and uniform illumination, and is suitable for the field of intelligent illumination and the field of intelligent camouflage.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a modular colorful dull and stereotyped device that gives out light, its characterized in that is the plane structure of regular hexagon or rhombus's multilayer stack, and outer to inlayer include in proper order: the LED lamp comprises a polarizing film (1), a diffusion film (4), a light guide plate (2), a reflection film (3) and a circuit board (6), wherein a plurality of LED lamp beads (5) are arranged on the edge or the corner of the front face of the circuit board (6).

2. A modular multi-color light panel device according to claim 1, wherein the LED lamp beads (5) are stacked with a light guide plate (2), the front surface of the light guide plate (2) is attached with the diffusion film (4), the back surface of the light guide plate (2) is attached with the reflection film (3), the reflection film (3) faces the LED lamp beads (5), and the diffusion film (4) is attached with the polarizing film (1).

3. A modular multicolored light panel arrangement as claimed in claim 2, characterized in that said polarizing film (1) is off-white, colorless, dark or colored.

4. A modular multi-color light panel device according to any one of claims 1 to 3, wherein more than one light bead groove is carved on the edge or corner of the light guide plate (2), and the more than one LED light beads (5) are correspondingly installed in the more than one light bead grooves.

5. An LED light array comprising a plurality of sequentially assembled multi-color light emitting panel devices of any one of claims 1 to 4 tiled or arrayed on a planar or non-planar base.