High-stability Mini LED backlight source structure

Abstract

The utility model relates to the technical field of backlight sources, and discloses a high-stability Mini LED backlight source structure which comprises a rubber frame, a PCB is fixedly connected to the inner wall of the rubber frame, a fixed lamp panel is fixedly connected to the outer wall of the PCB, a plurality of protective rubber layers are fixedly connected to the middle of the fixed lamp panel, chips are fixedly connected to the interiors of the protective rubber layers, and the chips are fixedly connected to the inner wall of the rubber frame. A diffusion plate is fixedly connected to the outer wall of the fixed lamp panel, a fluorescent film is fixedly connected to the outer wall of the diffusion plate, and a light splitting film is fixedly connected to the outer wall of the fluorescent film; the structural design for interfering the light angle is integrated with the rubber frame, so that the assembly process can be reduced, the production efficiency and the yield can be improved, the reflectivity of the rubber frame can reach 97%, more light can be effectively reflected and utilized, the light interference structure is reasonably designed, the propagation direction of the light can be better controlled, the light distribution can be optimized, and the light interference effect is improved. Light crosstalk is reduced, and display uniformity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of backlight source, concretely to a high stability's mini LED backlight source structure. BACKGROUND

[0002] LED backlight source refers to the light source used in liquid crystal display (LCD), mainly used for providing the backlight required by display screen, its working principle is through LED (light emitting diode) light, illuminates liquid crystal panel, thereby makes image and text visible, is widely used in television, computer display, mobile phone, tablet computer and various display devices, becomes the important component of modern display technology;

[0003] In prior art, most of the LED has no structure intervention light angle, resulting in light crosstalk between LEDs, affecting the display quality of the whole machine, light crosstalk can cause the contrast of display picture to drop, so that black becomes not deep enough, white is not bright enough, affecting the overall visual effect, light crosstalk between LEDs can cause color to be affected, color deviation or distortion occurs, so that the color performance of display picture is not accurate and real, light crosstalk can cause the display screen to appear uneven brightness, that is, some areas are too bright or too dark, affecting the overall picture uniformity;

[0004] Therefore, a high stability's mini LED backlight source structure is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high stability's mini LED backlight source structure to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a high stability's mini LED backlight source structure, including the rubber frame, the inner wall of the rubber frame is fixedly connected with the PCB board, the outer wall of the PCB board is fixedly connected with the fixed lamp plate, the middle part of the fixed lamp plate is fixedly connected with a plurality of protective glue layers, the inside of the protective glue layer is fixedly connected with the chip, the outer wall of the fixed lamp plate is fixedly connected with the diffusion plate, the outer wall of the diffusion plate is fixedly connected with the fluorescent film, the outer wall of the fluorescent film is fixedly connected with the light splitting film.

[0007] Preferably, the light splitting film is fixedly connected with the upper light enhancement layer on the side away from the fluorescent film.

[0008] Preferably, the upper light enhancement layer is fixedly connected with the lower light enhancement layer on the side away from the lower light enhancement layer.

[0009] Preferably, the outer wall of the lower light enhancement layer is fixedly connected with the light shielding glue layer, and the inside of the light shielding glue layer is fixedly connected with the composite film.

[0010] Preferably, the inner clamping of the glue frame is provided with a mini lamp plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、Through the structure design of light intervention angle and the integration of glue frame, the assembly process can be reduced, the production efficiency and yield can be improved, the reflectivity of glue frame can reach 97%, which means that more light can be effectively reflected and utilized, thereby improving the brightness of backlight, improving the display effect, making the image clearer and brighter, improving the brightness of backlight, increasing the product strength, the integrated design reduces the matching error between components, reduces the failure rate in the assembly process, thereby improving the yield of products, reducing the generation of unqualified products, reasonably designing the light intervention structure can better control the propagation direction of light, optimize the light distribution, reduce the light crosstalk, improve the display uniformity, the integrated design can improve the overall strength and stability of the structure, reduce the structural weakness caused by improper assembly, thereby improving the durability and impact resistance of the product;

[0013] 2、The structure design of light intervention angle is conical, the large-angle light emitted by the LED can be reflected by the side wall of the glue frame to change the angle, so that the light transmits upward, the conical structure can more effectively capture and reflect the light emitted by the LED, reduce the loss of light, thereby improving the overall light utilization rate, changing the propagation direction of light, more light can transmit upward through the display screen, enhancing the brightness of backlight, improving the display effect, making the image more vivid, the conical design helps to uniformly distribute light, reduces the problem of uneven brightness, improves the overall visual effect of the display screen, adjusts the angle of light, the conical structure can improve the viewing angle performance of the display screen, so that the brightness and color of the image remain consistent at different viewing angles, improving the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a split state schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a side view schematic diagram of the overall structure of the utility model;

[0017] Figure 4 It is a vertical section schematic diagram of the overall structure of the utility model;

[0018] Figure 5 It is a side view schematic diagram of the overall structure of the utility model.

[0019] In the drawing:

[0020] 1, glue frame; 2, PCB board; 3, fixed lamp plate; 4, protective glue layer; 5, chip; 6, diffusion plate; 7, fluorescent film; 8, light splitting film; 9, upper light enhancement layer; 10, lower light enhancement layer; 11, light shielding glue layer; 12, composite film; 13, mini lamp plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] Please refer to Figures 1 to 5 An embodiment provided by the present application: a high-stability Mini LED backlight structure, comprising a glue frame 1, the inner wall of the glue frame 1 is fixedly connected with a PCB board 2, the outer wall of the PCB board 2 is fixedly connected with a fixed lamp plate 3, the middle part of the fixed lamp plate 3 is fixedly connected with a plurality of protective glue layers 4, the inside of each protective glue layer 4 is fixedly connected with a chip 5, the outer wall of the fixed lamp plate 3 is fixedly connected with a diffusion plate 6, the outer wall of the diffusion plate 6 is fixedly connected with a fluorescent film 7, and the outer wall of the fluorescent film 7 is fixedly connected with a light splitting film 8.

[0023] Among them: a certain gap is left between the diffusion plate 6 and the protective glue layer 4, so that the light source diffusion is more uniform;

[0024] Better: the glue frame 1 can intervene the light path, solve the light crosstalk problem, improve the brightness and the display quality of the whole machine, the PCB board 2 provides power supply and signal connection for the LED lamp beads, ensures that the LED can work normally. It transmits power from the driving circuit to each LED, ensures the stability of current and voltage, the fixed lamp plate 3 provides physical support for the LED lamp beads, ensures the stability of the LED in the backlight module, prevents the displacement or damage of the lamp beads caused by vibration or impact, the protective glue layer 4 can improve the light transmittance, reduce the scattering and reflection of light, improve the brightness and uniformity of the backlight source, the chip 5 is the core part of the backlight source, responsible for converting electrical energy into light energy. Different types of chips 5 can produce different colors of light, and white light LED is usually used as a backlight source, the main function of the diffusion plate 6 is to uniformly diffuse the light emitted by the LED, eliminate the bright spots and shadows of the light source, make the brightness of the whole display area more uniform, and improve the visual effect, the fluorescent film 7 can effectively improve the overall brightness of the backlight source, so that the display can maintain good visibility under various environmental light conditions, the light splitting film 8 can effectively distribute the light emitted by the light source, so that the light is uniformly distributed on the display screen, avoiding the appearance of bright spots or dark areas, thereby improving the display effect.

[0025] The upper light enhancement layer 9 is fixedly connected to one side of the light splitting film 8 away from the fluorescent film 7, the lower light enhancement layer 10 is fixedly connected to one side of the upper light enhancement layer 9 away from the lower light enhancement layer 10, the light shielding glue layer 11 is fixedly connected to the outer wall of the lower light enhancement layer 10, the composite film 12 is fixedly connected to the inside of the light shielding glue layer 11, and the mini lamp plate 13 is detachably arranged in the inside of the glue frame 1;

[0026] The upper light enhancement layer 9 is fixedly connected to one side of the light splitting film 8 away from the fluorescent film 7, the lower light enhancement layer 10 is fixedly connected to one side of the upper light enhancement layer 9 away from the lower light enhancement layer 10, the light shielding glue layer 11 is fixedly connected to the outer wall of the lower light enhancement layer 10, the composite film 12 is fixedly connected to the inside of the light shielding glue layer 11, and the mini lamp plate 13 is detachably arranged in the inside of the glue frame 1;

[0027] More preferably, the upper light enhancement layer 9 and the lower light enhancement layer 10 complement each other in the backlight source, and jointly act on the enhancement, uniformization and guidance of light, the light shielding glue layer 11 plays a crucial role in the backlight source, can effectively prevent light leakage, improve contrast, reduce glare, and optimize light propagation, the composite film 12 is composed of multiple layers of different materials, can effectively optimize the propagation characteristics of light, enhance the uniformity and brightness of light, and make the display effect more outstanding, the design of the mini lamp plate 13 can realize uniform distribution of light, reduce bright spots and dark areas, and improve the overall uniformity of the display effect.

[0028] The working principle of the above implementation is as follows:

[0029] The working operation steps are as follows:

[0030] The glue frame 1 can intervene the light path, solve the light crosstalk problem, improve the brightness and display quality of the whole machine, the PCB board 2 provides power supply and signal connection for the LED lamp beads, ensures that the LED can work normally. It transmits power from the driving circuit to each LED, ensures the stability of current and voltage, the fixed lamp plate 3 provides physical support for the LED lamp beads, ensures the stability of the LED in the backlight module, prevents displacement or damage of the lamp beads due to vibration or impact, the protection glue layer 4 can improve the light transmittance, reduce light scattering and reflection, improve the brightness and uniformity of the backlight source, the chip 5 is the core part of the backlight source, is responsible for converting electrical energy into light energy. Different types of LED chips 5 can produce different colors of light, and white light LED is usually used as the backlight source, the main function of the diffusion plate 6 is to uniformly diffuse the light emitted by the LED, eliminate the bright spots and shadows of the light source, make the brightness of the whole display area more uniform, and improve the visual effect, the fluorescent film 7 can effectively improve the overall brightness of the backlight source, so that the display can maintain good visibility under various environmental light conditions, the light splitting film 8 can effectively distribute the light emitted by the light source, so that the light is uniformly distributed on the display screen, avoiding bright spots or dark areas, thereby improving the display effect, the structure design for intervening the light angle is integrated with the glue frame 1, which can reduce the assembly process, improve the production efficiency and yield, the reflectivity of the glue frame 1 can reach 97%, which means that more light can be effectively reflected and utilized;

[0031] The upper light enhancement layer 9 and the lower light enhancement layer 10 complement each other in the backlight source, and jointly act on the enhancement, uniformization and guidance of light, the light shielding adhesive layer 11 plays a crucial role in the backlight source, can effectively prevent light leakage, improve contrast, reduce glare, and optimize light propagation, the composite film 12 is composed of multiple layers of different materials, can effectively optimize the propagation characteristics of light, enhance the uniformity and brightness of light, and make the display effect more outstanding, the design of the mini lamp plate 13 can realize uniform distribution of light, reduce bright spots and dark areas, improve the overall uniformity of the display effect, reduce the problem of brightness unevenness, improve the overall visual effect of the display screen, adjust the angle of light, and the conical structure can improve the viewing angle performance of the display screen, so that the brightness and color of the image remain consistent under different viewing angles, and the user experience is improved.

[0032] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0033] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A highly stable Mini LED backlight structure, characterized in that: The utility model relates to a kind of LED lamp, including glue frame (1), the inner wall of glue frame (1) is fixedly connected with PCB board (2), the outer wall of PCB board (2) is fixedly connected with fixed lamp plate (3), the middle part of fixed lamp plate (3) is fixedly connected with several protective glue layer (4), the inside of protective glue layer (4) is fixedly connected with chip (5), the outer wall of fixed lamp plate (3) is fixedly connected with diffusion plate (6), the outer wall of diffusion plate (6) is fixedly connected with fluorescent film (7), the outer wall of fluorescent film (7) is fixedly connected with light splitting film (8).

2. The high-stability Mini LED backlight structure of claim 1, wherein: The side, away from fluorescent film (7), of the light splitting film (8) is fixedly connected with upper light enhancement layer (9).

3. The high-stability Mini LED backlight structure of claim 2, wherein: The side, away from lower light enhancement layer (10), of the upper light enhancement layer (9) is fixedly connected with lower light enhancement layer (10).

4. The high-stability Mini LED backlight structure of claim 3, wherein: The outer wall of the lower light enhancement layer (10) is fixedly connected with light-shielding glue layer (11), and the inside of the light-shielding glue layer (11) is fixedly connected with composite film (12).

5. The high-stability Mini LED backlight structure of claim 4, wherein: The inside of the glue frame (1) is provided with mini lamp plate (13) in clamping mode.

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