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A kind of preparation method of LED display screen

A technology of LED display screen and baffle plate, which is applied in the direction of electrical equipment structural parts, identification devices, cooling/ventilation/heating transformation, etc. The distance is difficult to maintain consistency, and the LED display module matching accuracy is low, which achieves the effect of simple structure, prevention of cross-light and weight reduction.

Active Publication Date: 2022-07-12
FOSHAN PINE TECH CO LTD
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Problems solved by technology

[0005] Further, the lens installed above the SMD light source is prone to shift, and the distance between the lens and the SMD light source is difficult to maintain consistency, so that the matching accuracy of the LED display module is low, and the display effect of the LED display is consistent and stable Low sex

Method used

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  • A kind of preparation method of LED display screen
  • A kind of preparation method of LED display screen
  • A kind of preparation method of LED display screen

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Embodiment Construction

[0050] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0051]A preparation method of an LED display screen provided by the present invention comprises the following steps:

[0052] S1. Provide bottom case, PCB board, baffle plate and optical lens;

[0053] see figure 1 and figure 2 , the bottom shell 1 includes a bottom plate 11 and a side plate 12 surrounding the bottom plate 11. The front surface of the bottom plate 11 is provided with a first mounting column 111, a second mounting column 112 and a grid raised structure 113. A mounting post 111 is higher than the grid protruding structure 113 .

[0054] The side plate 12 is higher than the front surface of the bottom plate 11 , and the bottom plate boss 121 of the inner side wall of the side plate 12 is higher than the first mounting column 111 . The first m...

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Abstract

The invention discloses a preparation method of an LED display screen, comprising: S1, providing a bottom case, a PCB board, a light shielding plate, an optical lens and a panel; S2, spraying paint on the optical lens, and removing the back surface of the lens substrate other than the light guide column Spray into the preset color; S3. Install the PCB board on the bottom case, and install the light shielding board on the PCB board; S4. Inject the mixed glue into the glue injection groove of the light shielding board, and install the optical lens on the light shielding board. , let the mixed glue in the glue injection tank penetrate into the gap between the light shielding plate, the bottom shell and the optical lens, so that the light shielding plate and the bottom shell and the optical lens form a sealed connection; S5, install the panel on the optical lens. The LED display screen formed by the preparation method of the present invention has high matching precision, good sealing performance, good heat dissipation effect, and has good display effect consistency and stability.

Description

technical field [0001] The invention relates to the technical field of LED display screens, in particular to a preparation method of an LED display screen. Background technique [0002] LED display has the advantages of high brightness, splicing, convenience and flexibility, high efficiency and low consumption, which makes it widely used in large-area display, especially in sports, advertising, finance, exhibition, transportation and other fields. [0003] Due to the small viewing angle of the existing LED display screen, a lens needs to be arranged above the light source, and how to achieve a sealed connection between the lens, the baffle plate, the PCB board and the bottom case is a technical problem that the existing LED display screen needs to solve. [0004] In addition, the existing lens is prone to cross light, which affects the contrast ratio of the LED display. Secondly, in addition to forming a tight connection to reduce the overall thickness of the LED display sc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F9/33H05K7/20
CPCG09F9/33H05K7/20954
Inventor 康海波陈家耀林辰黄志辉黄达森
Owner FOSHAN PINE TECH CO LTD
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