Novel backlight structure

By setting protrusions and reflective blocks on the light guide plate, the light reflection angle is expanded, solving the problem of bright and dark arrangement in the side-lit backlight structure and improving the display uniformity of the screen.

CN223756998UActive Publication Date: 2026-01-02TRULY SEMICON
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Patent Information

Application Number
CN202422804778.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2026-01-02
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

In existing edge-lit backlight structures for displays, the spacing between LEDs causes bright and dark areas to appear in front of the light source, affecting the display effect.

Method used

Multiple protrusions are provided on the side of the light guide plate closest to the light source, and a refractive area and a reflective block are provided on the side away from the light source. The reflective block has spherical protrusions to expand the light reflection angle and eliminate the bright and dark arrangement areas.

Benefits of technology

By adjusting the structure of the light guide plate, the bright and dark areas in front of the light source were eliminated, improving the display uniformity of the screen.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel backlight structure. The novel backlight structure comprises a light source and a light guide plate, the light source is located on one side of the light guide plate, a plurality of protruding parts are arranged on the side edge of the side, close to the light source, of the light guide plate, and the protruding parts are sequentially connected. According to the scheme provided by the invention, a bright and dark arrangement area corresponding to LED arrangement in the front section of the light source can be eliminated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display technical field especially relates to a novel backlight structure. BACKGROUND

[0002] In the related art, most display screens adopt side-in backlight, and the side-in backlight is usually LED, and the light of the LED is converted into a surface light source through a light guide plate. However, since there is a spacing between multiple LEDs, a dark area will appear at the spacing after the LEDs emit light, and thus a light-dark arrangement area corresponding to the arrangement of the LEDs will appear in front of the light source after the light enters the light guide plate, thereby affecting the use of the display screen. SUMMARY

[0003] The utility model discloses a novel backlight structure, which can eliminate the light-dark arrangement area corresponding to the arrangement of the LEDs in front of the light source.

[0004] The utility model discloses a novel backlight structure, which can eliminate the light-dark arrangement area corresponding to the arrangement of the LEDs in front of the light source.

[0005] The utility model discloses a novel backlight structure, which can eliminate the light-dark arrangement area corresponding to the arrangement of the LEDs in front of the light source.

[0006] The depth of the protruding part is 0.2mm to 0.03mm.

[0007] The light guide plate is provided with a refraction area on the side away from the light source.

[0008] The light guide plate is provided with a refraction area on the side away from the light source.

[0009] The light guide plate is provided with a refraction area on the side away from the light source.

[0010] The light source is provided with multiple light sources, and each light source is located on one side of the light guide plate.

[0011] The light source is provided with multiple light sources, and each light source is located on one side of the light guide plate.

[0012] The light source is provided with multiple light sources, and each light source is located on one side of the light guide plate.

[0013] The light source is provided with multiple light sources, and each light source is located on one side of the light guide plate.

[0014] The light source is provided with multiple light sources, and each light source is located on one side of the light guide plate.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] By setting the protruding part, the side edge of the light guide plate on the side close to the light source becomes rough, and the light emitted by the light source produces more reflection angles, thereby eliminating the bright and dark arrangement area corresponding to the LED arrangement in the front section of the light source. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows.

[0018] Figure 1 FIG. 1 is a structural schematic diagram of a novel backlight structure in an embodiment of the present application;

[0019] Figure 2 FIG. 2 is a structural schematic diagram of another embodiment of the novel backlight structure in the embodiment of the present application;

[0020] Figure 3 FIG. 3 is a structural schematic diagram of another embodiment of the novel backlight structure in the embodiment of the present application. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail with reference to the drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0022] It should be understood that although the terms "first", "second", "third" and the like can be used in the present application to describe various information, these information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information without departing from the scope of the present application. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0023] Unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] At present, most display screens adopt side-in backlight, and the backlight of side-in type is usually LED, and the light of LED is converted into area light source via light guide plate. However, since there is spacing in the arrangement of multiple LEDs, dark areas will appear in the spacing after the light is emitted, and thus the light source front segment will appear the light-dark arrangement area corresponding to the LED arrangement after entering the light guide plate, which affects the use of the display screen.

[0025] In view of the above problems, the embodiment of the present application provides a novel backlight structure which can eliminate the light-dark arrangement area corresponding to the LED arrangement in the light source front segment.

[0026] The technical scheme of the embodiment of the present application is described in detail below with reference to the drawings.

[0027] Please refer to Figure 1 and Figure 2 A novel backlight structure comprises a light source 100 and a light guide plate 200, the light source 100 is located at one side of the light guide plate 200, and the side edge of the side of the light guide plate 200 close to the light source 100 is provided with multiple protruding parts 210, and each protruding part 210 is connected in sequence.

[0028] Preferably, the light source 100 is an LED lamp.

[0029] Preferably, multiple light sources 100 are arranged, and each light source 100 is located at one side of the light guide plate 200, and a spacing position 110 is arranged between each two adjacent light sources 100.

[0030] Preferably, the depth of the protruding part 210 ranges from 0.2mm to 0.03mm.

[0031] Preferably, the side of the light guide plate 200 away from the light source 100 is provided with a refraction area 300.

[0032] It should be noted that the existence of the spacing position 110 is an important reason for the uneven brightness of the refraction area 300, and thus the protruding part 210 is arranged in the present application. The protruding part 210 refers to the side edge of the light guide plate 200 is made into a wave-like shape, so that the side edge of the light guide plate 200 is uneven and rougher, and thus the light emitted by the light source 100 produces more reflection angles, thereby eliminating the light-dark arrangement area corresponding to the LED arrangement in the light source 100 front segment.

[0033] Please refer to Figure 3In an embodiment, the light guide plate 200 is provided with a plurality of installation areas 220. Specifically, a plurality of reflection blocks 400 are further included, each of which is arranged in one-to-one correspondence in each installation area 220. Specifically, the reflection blocks 400 are parallel to the interval positions 110. Specifically, the reflection blocks 400 include a plurality of convex points 410, each of which is arranged in the installation area 220. Specifically, the convex points 410 have a spherical cross-sectional structure.

[0034] It should be noted that, in order to further expand the reflection angle of the light source 100, the present application provides a plurality of reflection blocks 400 on the light guide plate 200. Each reflection block 400 contains a plurality of spherical convex points 410, so that the light of the light source 100 is more widely after diffuse reflection, thereby more effectively eliminating the phenomenon of uneven brightness in the refraction area 300.

[0035] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above-described embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments. It should also be appreciated by those skilled in the art that the actions and modules involved in the specification are not necessarily required by the present application. In addition, it can be understood that the steps in the embodiment method of the present application can be adjusted, combined and reduced in sequence according to actual needs, and the modules in the embodiment device of the present application can be combined, divided and reduced according to actual needs.

[0036] The above has described various embodiments of the present application, and the above description is exemplary and is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles, practical application or improvement of technology in the market of the embodiments, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A novel backlight structure, characterized by, The utility model relates to a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions. The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions. The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

2. The novel backlight structure according to claim 1, characterized in that, The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

3. The novel backlight structure according to claim 1, wherein, The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

4. The novel backlight structure according to claim 3, characterized in that, The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

5. The novel backlight structure according to claim 4, characterized in that, The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

6. The novel backlight structure according to claim 5, characterized in that, The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

7. The novel backlight structure according to claim 5, wherein, The utility model discloses a light source, a light guide plate, a plurality of reflection blocks and a plurality of interval positions.

8. The novel backlight structure according to claim 7, characterized in that, ​ 9. The novel backlight structure according to claim 1, wherein, ​