CN219737943U

CN219737943U - LCD display screen

Info

Publication number: CN219737943U
Application number: CN202320256317.6U
Authority: CN
Inventors: 杨磊; 张志烁; 裴云飞
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-09-22
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to an LCD display screen, comprising a backlight and a TFT glass, wherein the backlight and the TFT glass are assembled together; the backlight comprises a retaining wall, wherein the retaining wall is provided with a plurality of split positions, and the split positions are formed into rectangular shapes, circular shapes or trapezoid shapes and the like. The plurality of split positions are formed into a group, and each group of split positions is respectively arranged on the retaining wall below the backlight. The backlight comprises a light guide plate and backlight LEDs, the light guide plate is arranged above the backlight LEDs, the position, close to the backlight LEDs, of the light guide plate is of a horn-shaped structure, and the light inlet of the light guide plate is designed to be enlarged. The back of the light guide plate is attached with a first reflecting film, and two inclined planes of the horn-shaped structure are attached with a second reflecting film. In this technical scheme, design the barricade that is shaded for having the sectional structure of breach position, reduced the extrusion of dismantling the in-process when reprocessing in a poor light, make to dismantle more smoothly, simultaneously because the extrusion reduces, effectively reduced the extrusion and led to TFT glass edge to burst the condition emergence of damage.

Description

LCD display screen

Technical Field

The utility model relates to the technical field of liquid crystal display, in particular to an LCD display screen.

Background

The LCD display screen is composed of TFT liquid crystal glass and backlight, the TFT liquid crystal glass is assembled with the backlight, when the backlight breaks down and needs to be repaired, the backlight is tilted from one corner of the backlight and then detached, and a backlight retaining wall is easy to squeeze to the TFT glass, so that the edge of the TFT glass is cracked and damaged. Therefore, there is a need to develop a technology capable of solving the above technical problems and reducing damage to TFT glass at the time of backlight repair.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a display screen, wherein a backlight retaining wall of the display screen is provided with a split position, and split and block design is adopted, so that extrusion interference is reduced in the backlight disassembling process, the backlight is disassembled more smoothly, and the damage of TFT glass is reduced.

Specifically, the technical scheme of the utility model is as follows: an LCD display screen comprises a backlight and a TFT glass, wherein the backlight and the TFT glass are assembled together; the backlight comprises a retaining wall, wherein the retaining wall is provided with a plurality of split positions, and the split positions can be rectangular, circular or trapezoid. And the design of the split position realizes the split block design of the retaining wall.

As a preferred solution, a plurality of split sites are formed as a group, and each group of split sites is respectively disposed below the backlight for supporting the retaining wall of the TFT glass.

As the preferable technical scheme, the backlight comprises a light guide plate and a backlight LED, wherein the light guide plate is arranged above the backlight LED, the position of the light guide plate close to the backlight LED is in a horn-shaped structure, and the light inlet of the light guide plate is designed to be enlarged. The light emitted by the backlight LEDs can be effectively LED into the light guide plate, and the waste of light sources is reduced.

As a preferable technical scheme, the first reflecting film is attached to the back of the light guide plate.

As the preferable technical scheme, the optical film material is attached to the front surface of the light guide plate, and comprises an upper light enhancement sheet, a lower light enhancement sheet and a diffusion film which are arranged in a stacked manner, wherein the diffusion film is arranged next to the light guide plate.

As a preferable technical scheme, the second reflecting films are attached to the two inclined planes of the horn-shaped structure of the light guide plate.

As a preferable technical scheme, the first reflective film or the second reflective film is a reflective sheet or a reflective material coated on the light guide plate.

As a preferable technical scheme, a shading adhesive is adhered to the backlight surface of the backlight LED. The shading glue is opaque, and the light leakage can be effectively prevented by arranging the shading glue.

As the preferable technical scheme, the backlight further comprises a rubber frame, and the rubber frame and the retaining wall are integrally formed.

As an optimal technical scheme, the rubber frame and the retaining wall are made of dark opaque sectional materials.

Compared with the prior art, the utility model has the following technical effects: in this technical scheme, design the retaining wall that is shaded for having the sectional structure of breach position, reduced the extrusion of dismantling the in-process when reprocessing in a poor light, make to dismantle more smoothly, simultaneously because the extrusion reduces, effectively reduced because the extrusion leads to TFT glass edge to burst the condition emergence of damage.

Description of the drawings:

FIG. 1 is a schematic diagram of an LCD display according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

reference numerals illustrate:

an LCD display screen 1; a backlight 2; a retaining wall 21; split site 211; TFT glass 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. In the description of the present utility model, it should be noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1, a schematic structural diagram of an LCD display 1 according to the present embodiment is provided, where the LCD display 1 includes a backlight 2 and a TFT glass 3, and the backlight 2 and the TFT glass 3 are assembled together; the backlight 2 includes a wall 21, the wall 21 has a split position 211, and the split position 211 may have a plurality of split positions. In this embodiment, the slit 211 is rectangular, and in other embodiments, the slit 211 may be circular, trapezoid, or the like, which is not particularly limited.

Preferably, as shown in fig. 1, a plurality of split sites 211 are formed in a group, and each group of split sites 211 is respectively provided on a retaining wall 21 for supporting the TFT glass 3 below the backlight 2. The retaining wall 21 in the backlight 2 is designed in a split and block mode, extrusion interference is reduced in the process of disassembling the backlight 2 when the backlight 2 needs to be repaired, the backlight 2 is disassembled more smoothly, and meanwhile damage to the TFT glass 3 is reduced.

The backlight 2 includes a light guide plate and a backlight 2LED, the light guide plate is disposed above the backlight 2LED, and in some preferred embodiments, a position of the light guide plate near the backlight 2LED is a horn-shaped structure, and a light entrance of the light guide plate is enlarged and not shown in the figure. The light inlet of the light guide plate is enlarged, so that light emitted by the backlight 2 LEDs can be effectively guided into the light guide plate, and the waste of light sources is reduced. Further preferably, the first reflective film is attached to the back surface of the light guide plate, and the second reflective film is attached to two inclined surfaces of the horn-shaped structure of the light guide plate. The first reflective film or the second reflective film is a reflective sheet or a reflective material coated on the light guide plate. It should be understood by those skilled in the art that the first and second reflective films herein need special particle structures to match the printed dots of the light guide plate, so that not only can the light be reflected, but also the reflected light can be relatively uniform, and specific technical features will not be described in detail herein.

In some preferred embodiments, the front surface of the light guide plate is attached with an optical film material, and the optical film material includes an upper light enhancement sheet, a lower light enhancement sheet and a diffusion film which are stacked, and the diffusion film is disposed next to the light guide plate. The arrangement of the optical film material can effectively expand and utilize the light emitted by the backlight 2 LEDs.

Further, a light shielding adhesive is adhered to the backlight 2 surface of the backlight 2LED to prevent light leakage. The shading adhesive is set to be dark opaque.

Preferably, the backlight 2 further comprises a plastic frame, and the plastic frame and the retaining wall 21 are integrally formed. Further, the rubber frame and the retaining wall 21 are made of dark opaque materials. The rubber frame and the retaining wall 21 are arranged to be dark and opaque, so that the possibility of light leakage of the backlight 2 is reduced.

Claims

1. An LCD display screen comprising a backlight and a TFT glass, the backlight and the TFT glass being assembled together; the backlight comprises a retaining wall, wherein a plurality of split positions are arranged on the retaining wall, and the split positions are formed in a rectangular shape.

2. The LCD panel of claim 1, wherein the plurality of split sites are in a group, each group of split sites being disposed on the wall below the backlight.

3. The LCD panel of claim 1, wherein the backlight comprises a light guide plate and a backlight LED, the light guide plate is disposed above the backlight LED, the light guide plate is disposed in a horn-like structure near the backlight LED, and the light entrance of the light guide plate is designed to be enlarged.

4. An LCD display screen according to claim 3, wherein the light guide plate has a first reflective film attached to a back surface thereof.

5. An LCD screen as claimed in claim 3, wherein the light guide plate has an optical film material attached to the front surface thereof, the optical film material including an upper light enhancement sheet, a lower light enhancement sheet and a diffusion film stacked together, and the diffusion film is disposed adjacent to the light guide plate.

6. The LCD panel of claim 4, wherein the second reflective film is attached to two inclined surfaces of the horn-shaped structure of the light guide plate.

7. The LCD display screen of claim 6, wherein the first reflective film or the second reflective film is a reflective sheet or a reflective material coated on the light guide plate.

8. A LCD display screen according to claim 3, wherein the backlight surface of the backlight LED is adhered with a light shielding adhesive.

9. The LCD panel of claim 1, wherein the backlight further comprises a glue frame integrally formed with the wall.

10. The LCD panel of claim 9, wherein the frame and the wall are made of dark opaque material.