CN210864271U

CN210864271U - Backlight module and display device

Info

Publication number: CN210864271U
Application number: CN201921843109.6U
Authority: CN
Inventors: 童咏霖
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-26
Anticipated expiration: 2029-10-29

Abstract

The application provides a backlight unit and display device, wherein, backlight unit includes: a plurality of lamp strips, a plurality of lens and reflecting plate. The lamp strip comprises a substrate and a plurality of light emitting pieces. The lens is buckled on the luminous piece and is fixedly connected with the substrate. The reflecting plate is provided with a plurality of lamp holes, the light-emitting piece penetrates through the lamp holes and protrudes out of the lamp holes, and the substrate is fixedly connected with the reflecting plate; the reflecting plate is provided with a plurality of color rings, and the color rings are arranged around the lens along the circumferential direction of the lens. The application provides a backlight unit, the white light that the illuminating part sent is decomposed into the light that has other colours through lens, and the light of other colours refracts on the reflecting plate and mixes white back with the colour of color circle, and the rethread reflecting plate reflects away, has avoided backlight unit to appear the condition of the color spot of other colours, has guaranteed promptly that backlight unit is luminous even, luminance is even, has guaranteed the use comfort of product.

Description

Backlight module and display device

Technical Field

The application relates to the technical field of display, in particular to a backlight module and display equipment with the backlight module.

Background

The statements in this application as background to the related art related to this application are merely provided to illustrate and facilitate an understanding of the contents of the present application and are not to be construed as an admission that the applicant expressly or putatively admitted the prior art of the filing date of the present application at the first filing date.

A Liquid Crystal Display (LCD) has many advantages such as light weight, thin body, and power saving, and thus has been widely used. The present ultra-thinning is a development trend of a liquid crystal display device, and the inventor finds that in the present direct type LED backlight source, the light mixing distance needs to be further reduced for realizing ultra-thinning. Because the fluorescent powder for manufacturing the LED is yellow, the blue light chip is incompletely excited, so that the LED has yellow light; and the reflective lens is similar to a triangular prism, and can decompose part of white light into yellow light, so that light spots of the emitted light easily have yellow spots, and the picture displayed by the liquid crystal display device is uneven in yellow and white.

SUMMERY OF THE UTILITY MODEL

An embodiment of a first aspect of the present application provides a backlight module including: the lamp strips comprise a substrate and a plurality of light-emitting pieces; the lenses are buckled on the light-emitting pieces and are fixedly connected with the substrate; the reflecting plate is provided with a plurality of lamp holes, the light-emitting piece penetrates through the lamp holes and protrudes out of the lamp holes, and the substrate is fixedly connected with the reflecting plate; the reflecting plate is provided with a plurality of color rings, and the color rings are arranged around the lens along the circumferential direction of the lens.

The application provides a backlight unit, the white light that the illuminating part sent is decomposed into the light that has other colours through lens, and the light of other colours refracts on the reflecting plate and mixes white back with the colour of color circle, and the rethread reflecting plate reflects away, has avoided backlight unit to appear the condition of the color spot of other colours, has guaranteed promptly that backlight unit is luminous even, luminance is even, has guaranteed the use comfort of product.

Preferably, the color circle comprises a plurality of sub-circles which are sequentially sleeved, and the sub-circles are arranged around the lens along the circumferential direction of the lens.

Preferably, the sub-circle comprises a plurality of color points.

Preferably, the color points of adjacent sub-circles are arranged in an interleaved manner.

Preferably, the color circle comprises two of the sub-circles.

Preferably, the color circle is a continuously arranged annular color band.

Preferably, the color circle is a silk-screen circle manufactured by adopting a silk-screen process.

Preferably, the color circle is a blue color circle.

Preferably, the color circle is a circular circle.

Embodiments of a second aspect of the present application provide a display device, including the backlight module described in any one of the above.

The application provides a display device, luminous even, luminance is even, has guaranteed the use comfort of product.

Additional aspects and advantages of the present application will be set forth in part in the description which follows, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a partial structure of a backlight module according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a partial structure of another embodiment of a backlight module according to the present application;

fig. 3 is a schematic partial structure diagram of another embodiment of the backlight module according to the present application.

Wherein, the correspondence between the reference numbers and the part names of fig. 1 to 3 is:

lens 10, reflector plate 20, color circle 30, sub-circle 31, color point 32.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises A, B, C and another embodiment comprises a combination of B and D, then this application should also be considered to comprise an embodiment that comprises A, B, C, D in all other possible combinations, although this embodiment may not be explicitly recited in the text below.

As shown in fig. 1, an embodiment of the first aspect of the present application provides a backlight module including: a plurality of light bars (not shown), a plurality of lenses 10, and a reflective plate 20.

The light bar (not shown) includes a substrate (not shown) and a plurality of light emitting elements (not shown).

The lens 10 is buckled on the light emitting element and is fixedly connected with the substrate.

The reflecting plate 20 is provided with a plurality of lamp holes, the light-emitting piece penetrates through the lamp holes and protrudes out of the lamp holes, and the substrate is fixedly connected with the reflecting plate 20; the reflective plate 20 is provided with a plurality of color circles 30, and the color circles 30 are arranged around the lens 10 along the circumferential direction of the lens 10.

The application provides a backlight unit, the white light that the illuminating part sent is decomposed into the light that has other colours through lens 10, and the light of other colours refracts on reflecting plate 20 and mixes into white back with the colour of color circle 30, and rethread reflecting plate 20 reflects away, has avoided backlight unit to appear the condition of the color spot of other colours, has guaranteed that backlight unit is luminous even promptly, luminance is even, has guaranteed the use comfort of product.

In one embodiment of the present application, the color wheel 30 is a continuously disposed annular color band, as shown in fig. 1 and 2.

In this embodiment, can make the colour intensive mixing white light of the light of other colours and colour band more fully, avoid backlight unit to appear the condition of the color spot of other colours, guaranteed promptly that backlight unit is luminous even, luminance is even, guaranteed the use comfort level of product.

As shown in fig. 2 and 3, in one embodiment of the present application, the color circle 30 includes a plurality of sub-circles 31 sequentially sleeved, and the plurality of sub-circles 31 are disposed around the lens 10 along the circumferential direction of the lens 10. Optionally, the color circle 30 comprises two sub-circles 31.

In this embodiment, the arrangement of the sub-rings 31 increases the range of the color ring 30, and can fully neutralize light of other colors, thereby further ensuring that the backlight module emits light uniformly and has uniform brightness, and ensuring the use comfort of the product.

The number of the sub-circles 31 and the size of the gap between the sub-circles 31 can be selected by those skilled in the art according to their own needs.

As shown in fig. 3, in one implementation of the present application, the sub-ring 31 comprises a plurality of color points 32.

In this embodiment, the light of other colors can be refracted to between the adjacent color dots 32, so that the light of other colors and the colors of the color dots 32 are fully mixed into white light, thereby avoiding the occurrence of color spots of other colors in the backlight module, i.e., ensuring uniform light emission and uniform brightness of the backlight module, and ensuring the use comfort of the product.

As shown in fig. 3, in one implementation of the present application, the color points 32 of adjacent sub-circles 31 are arranged in an interleaved manner.

In this embodiment, can make the light of other colours fully mix into white light with the colour of colour point 32 more fully, avoid backlight unit to appear the condition of the color spot of other colours, guaranteed promptly that backlight unit is luminous even, luminance is even, guaranteed the use comfort level of product.

In one implementation of the present application, the color wheel 30 is a silk-screen wheel made using a silk-screen process.

In the embodiment, the silk-screen printing mode is convenient to operate, low in price and easy to master, so that the production efficiency of the product is improved, the production and manufacturing cost of the product is reduced, and the market competitiveness of the product is enhanced.

In one implementation of the present application, the color circle 30 is blue 30.

In the embodiment, the light-emitting element is an LED, the fluorescent powder of the LED is generally yellow, and the LED has yellow light because the blue light chip of the LED is incompletely excited; and the reflective lens 10 is similar to the function of a triangular prism, and decomposes partial white light into yellow light, and the yellow light is mixed with the blue color of the color circle 30 to form white light, so that the condition that yellow color spots appear on the backlight module is avoided, that is, the backlight module is uniform in light emission and brightness, and the use comfort of the product is ensured.

As shown in fig. 1-3, in one implementation of the present application, the color wheel 30 is a circular wheel.

In this embodiment, the light that the light-emitting component sent is through reflective lens 10 class refraction, generally is circular light ring on reflecting plate 20, and color circle 30 is circular, can make the light of other colours fully mix into white light with the colour of colour point 32 better, has avoided backlight unit to appear the condition of the color spot of other colours, has guaranteed that backlight unit is luminous even, luminance is even promptly, has guaranteed the use comfort of product.

An embodiment of a second aspect of the present application provides a display device, including the backlight module described in any one of the above.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be exhaustive. And obvious variations or modifications of this invention are intended to be covered by the scope of the invention as expressed herein.

In this application, the term "plurality" means two or more unless explicitly defined otherwise. In the present application, the terms "connected" and "fixed" should be understood in a broad sense, and for example, "connected" may be connected through wires or signals. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

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

Claims

1. A backlight module, comprising:

the lamp strips comprise a substrate and a plurality of light-emitting pieces;

the lenses are buckled on the light-emitting pieces and are fixedly connected with the substrate; and

the reflecting plate is provided with a plurality of lamp holes, the light-emitting piece penetrates through the lamp holes and protrudes out of the lamp holes, and the substrate is fixedly connected with the reflecting plate;

the reflecting plate is provided with a plurality of color rings, and the color rings are arranged around the lens along the circumferential direction of the lens.

2. The backlight module according to claim 1,

the color circle comprises a plurality of sub-circles which are sequentially sleeved, and the sub-circles are arranged along the circumferential direction of the lens in a surrounding mode.

3. The backlight module according to claim 2,

the sub-ring comprises a plurality of color points.

4. The backlight module according to claim 3,

the color points of adjacent sub-circles are arranged in an interlaced manner.

5. The backlight module according to claim 2,

the color circle comprises two sub-circles.

6. The backlight module according to claim 1,

the color ring is an annular color band which is continuously arranged.

7. The backlight module according to claim 1,

the color ring is a silk-screen ring manufactured by adopting a silk-screen process.

8. The backlight module according to claim 1,

the color circle is a blue circle.

9. The backlight module according to claim 1,

the color circle is a circular circle.

10. A display device comprising a backlight module according to any one of claims 1 to 9.