Transparent substrate full-color LED (light emitting diode) display screen and production technology

Abstract

The invention discloses a transparent substrate full-color LED (light emitting diode) display screen and a production technology. The transparent substrate full-color LED display screen can be used indoors and outdoors; a transparent substrate is of a bending structure, and the thickness of the transparent substrate is controlled within 0.2 to 3mm range. The transparent substrate full-color LED display screen has the advantages that by adopting an ultrafine conducting wire or a transparent conduction material, the transparency of the whole display screen is greatly improved; an LED lamp and a driving chip are welded on the transparent substrate in a surface attaching or inverting way, and because the LED lamp and the driving chip are very small, and a certain gap is formed between the LED lamp and the driving chip, the conductive communicating matter adopts the ultrafine conducting wire or the transparent conduction material; when the display screen is watched in a far place, the influence to the transparency of the whole display screen is avoided, and the problem of opaqueness of the traditional LED display screen is solved; meanwhile, the transparent substrate of the LED display screen can be manufactured into a bending structure, so that the display screen can be conveniently arranged on an irregular building, and the ornament property of the LED display screen is improved.

Description

technical field [0001] The invention relates to the technical field of LED display screens, in particular to a full-color LED indoor and outdoor LED display screen made of a transparent substrate and a production process. Background technique [0002] LED display, as a display screen that displays various information such as text, graphics, images, animations, and videos by controlling the display method of semiconductor light-emitting diodes, is widely used in the fields of commercial advertising, government, and school notices. There are two types of indoor and outdoor. Indoors require close-up viewing, while outdoors require long-distance viewing. The difference between indoors and outdoors generally lies in the distance between the LED lamp beads to change the display state. [0003] Regardless of the indoor LED display or the outdoor LED display, the LED full-color display in the prior art is a three-in-one LED lamp packaged with an LED chip into a DIP LED lamp or a thr...

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Problems solved by technology

[0003] Regardless of the indoor LED display or the outdoor LED display, the LED full-color display in the prior art is a three-in-one LED lamp packaged with an LED chip into a DIP LED lamp or a three-in-one LED lamp packaged with an SMD together with a driver IC and a capacitor, a current limiting resistor, The decoder and other components are welded on the substrate of the PCB board (usually a glass fiber board), and then assembled into an LED module after testing, glue injection, glue curing, and aging. Take the P4 (16*32 pixel) module as an example, A 4-layer PCB board is required. Due to the small number of pixels in a single module, when relying on a large display, the number of modules required is huge, the number of interfaces is also huge, and the probability of failure is greatly increased. The traditional grating screen is due to the number of structural parts and components. Many, large size, greatly reduced light transmittance, when the display screen is hung on the indoor or outdoor wall, it will cause certain obstruction to the wall or building, affecting the beauty of the wall and building

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