Blue-light LED (light-emitting diode) side-entry backlight source

Abstract

The utility model discloses a blue light LED side-entry backlight source which comprises an FPC flexible circuit board and a backlight source plate, the FPC flexible circuit board is arranged at the side end of the backlight source plate in a side-entry mode, a blue light LED lamp bar is arranged at the upper end of the FPC flexible circuit board, the backlight source plate is provided with a light guide plate, and a low reflection plate is arranged on the lower end face of the light guide plate. A brightening module is arranged on the upper end face of the light guide plate, a quantum dot module is arranged on the upper end face of the brightening module, a lower brightening module is arranged on the upper end face of the quantum dot module, and an upper brightening module is arranged on the upper end face of the lower brightening module. The LED lamp has the advantages of novelty, simple structure, high efficiency, energy conservation, rich colors, good uniformity and long service life.

Description

Technical Field

[0001] This utility model relates to the field of backlight technology, and in particular to a blue LED side-lit backlight. Background Technology

[0002] With the development of electronic devices, liquid crystal displays (LCDs) have become the mainstream display technology, widely used in products such as televisions, computers, mobile phones, and tablets. The backlight, as a key component of LCDs, directly affects the display effect. Traditional backlights mainly use cold cathode fluorescent lamps (CCFLs) and edge-lit LEDs, but these technologies have some shortcomings:

[0003] 1. Uneven brightness: Traditional side-lit LED backlights often have insufficient brightness in the edge areas of LCD screens, resulting in dark corners at the edges of the displayed image and affecting the overall visual experience.

[0004] 2. Color distortion: Because the blue light emitted by the light source is not effectively converted into uniform white light, the LCD monitor may exhibit color deviation in some cases, especially when playing high dynamic range (HDR) content.

[0005] 3. Design limitations: Existing backlight designs often result in wide bezels on display devices, limiting the aesthetics and portability of the products and failing to meet market demand for ultra-thin and lightweight products.

[0006] 4. Energy consumption: Although LED backlights are more energy-efficient than CCFLs, they still require additional power supply design to compensate for poor color performance and brightness uniformity, which affects overall energy efficiency. Utility Model Content

[0007] The purpose of this invention is to provide a blue LED side-lit backlight that addresses the shortcomings of existing technologies. This blue LED side-lit backlight has a novel design, simple structure, high efficiency and energy saving, rich colors, good uniformity, and long lifespan.

[0008] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0009] A blue LED side-lit backlight includes an FPC flexible circuit board and a backlight board, with the FPC flexible circuit board side-lit at the side of the backlight board. A blue LED light strip is mounted on the upper end of the FPC flexible circuit board. The backlight board is provided with a light guide plate, and a low-reflection plate is provided on the lower end face of the light guide plate. A brightness enhancement module is provided on the upper end face of the light guide plate, and a quantum dot module is provided on the upper end face of the brightness enhancement module. A lower brightness enhancement module is provided on the upper end face of the quantum dot module, and an upper brightness enhancement module is provided on the upper end face of the lower brightness enhancement module.

[0010] The light guide plate is made of a polymer material with low reflection and high light transmittance.

[0011] The low-reflection plate is made of a polymer material with low reflection and high light transmittance.

[0012] The brightness enhancement module uses a high-performance brightness enhancement film material.

[0013] The beneficial effects of this utility model are as follows: The blue LED side-lit backlight of this utility model includes an FPC flexible circuit board and a backlight board. The FPC flexible circuit board is side-lit and mounted on the side of the backlight board. A blue LED light strip is mounted on the upper end of the FPC flexible circuit board. The backlight board is provided with a light guide plate. A low-reflection plate is provided on the lower end surface of the light guide plate. A brightness enhancement module is provided on the upper end surface of the light guide plate. A quantum dot module is provided on the upper end surface of the brightness enhancement module. A lower brightness enhancement module is provided on the upper end surface of the quantum dot module. An upper brightness enhancement module is provided on the upper end surface of the lower brightness enhancement module. This invention features a blue LED strip mounted on the upper end of an FPC flexible circuit board, resulting in excellent luminous efficiency and spectral characteristics for backlighting. A low-reflection plate, made of a low-reflection, high-transmittance polymer material, is installed on the lower end of the light guide plate to ensure effective light transmission and distribution. A brightness enhancement module, made of high-performance brightness enhancement film material, is installed on the upper end of the light guide plate to enhance light output. A lower brightness enhancement module is installed on the upper end of the quantum dot module, and an upper brightness enhancement module is installed on the upper end of the lower brightness enhancement module to ensure uniform brightness and eliminate dark corners. Therefore, this invention has the advantages of novel design, simple structure, high efficiency and energy saving, rich colors, good uniformity, and long lifespan. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] exist Figure 1 This includes:

[0017] 1—Flexible Printed Circuit Board 11—Blue LED Strip

[0018] 2—Backlight board 21—Light guide plate

[0019] 22 - Low-reflection panel; 23 - Brightness enhancement module

[0020] 24 - Quantum Dot Module 25 - Downlight Enhancement Module

[0021] 26 - Brightness enhancement module. Detailed Implementation

[0022] The present invention will now be described in conjunction with specific embodiments.

[0023] like Figure 1 As shown, a blue LED side-lit backlight includes an FPC flexible circuit board 1 and a backlight board 2. The FPC flexible circuit board 1 is side-lit and mounted on the side of the backlight board 2. A blue LED light strip 11 is mounted on the upper end of the FPC flexible circuit board 1. The backlight board 2 is provided with a light guide plate 21, and a low-reflection plate 22 is provided on the lower end surface of the light guide plate 21. A brightness enhancement module 23 is provided on the upper end surface of the brightness enhancement module 23, a quantum dot module 24 is provided on the upper end surface of the quantum dot module 24, a lower brightness enhancement module 25 is provided on the upper end surface of the quantum dot module 24, and an upper brightness enhancement module 26 is provided on the upper end surface of the lower brightness enhancement module 25.

[0024] As a preferred embodiment, the light guide plate 21 is made of a polymer material with low reflection and high light transmittance.

[0025] In this preferred embodiment, the low-reflection plate 22 is made of a polymer material with low reflection and high light transmittance.

[0026] As a preferred embodiment, the brightness enhancement module 23 uses a high-performance brightness enhancement film material.

[0027] This invention features a blue LED strip 11 mounted on the upper end of the FPC flexible circuit board 1, which improves the luminous efficiency and spectral characteristics for effective backlighting. A low-reflection plate 22, made of a low-reflection, high-transmittance polymer material, is installed on the lower surface of the light guide plate 21 to ensure effective light transmission and distribution. A brightness enhancement module 23, made of a high-performance brightness enhancement film material, is installed on the upper surface of the light guide plate 21 to enhance light output. A lower brightness enhancement module 25 is installed on the upper surface of the quantum dot module 24, and an upper brightness enhancement module 26 is installed on the upper surface of the lower brightness enhancement module 25 to ensure uniform brightness and eliminate dark corners. Therefore, this invention has the advantages of novel design, simple structure, high efficiency and energy saving, rich colors, good uniformity, and long lifespan.

[0028] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A blue LED side-lit backlight, characterized in that: The device includes an FPC flexible circuit board (1) and a backlight board (2). The FPC flexible circuit board (1) is side-mounted on the side of the backlight board (2). A blue LED light strip (11) is installed on the upper end of the FPC flexible circuit board (1). The backlight board (2) is provided with a light guide plate (21). A low-reflection plate (22) is provided on the lower end of the light guide plate (21). A brightness enhancement module (23) is provided on the upper end of the light guide plate (21). A quantum dot module (24) is provided on the upper end of the brightness enhancement module (23). A lower brightness enhancement module (25) is provided on the upper end of the quantum dot module (24). An upper brightness enhancement module (26) is provided on the upper end of the lower brightness enhancement module (25).

2. The blue LED side-lit backlight according to claim 1, characterized in that: The light guide plate (21) is made of a polymer material with low reflection and high light transmittance.

3. A blue LED side-lit backlight according to claim 1, characterized in that: The low-reflection plate (22) is made of a polymer material with low reflection and high transmittance.

4. A blue LED side-lit backlight according to claim 1, characterized in that: The brightness enhancement module (23) uses a high-performance brightness enhancement film material.

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