LED composite chip, processing method and display screen using composite chip
A LED display and composite chip technology, applied in the direction of electrical components, electrical solid devices, circuits, etc., can solve the problems of difficult processing, inaccurate LED display image display, complex control circuits, etc., to achieve reliable performance and easy control , pixel display accurate effect
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[0022] The innovations and protection scope of the present invention will be described in detail in conjunction with the accompanying drawings. The red chips, green chips, blue chips and white chips in the description specifically mean that the primary colors of the LED chips are red, green, blue and white, respectively, that is, the luminous colors are red, green, blue and white, respectively.
[0023] figure 1 It is a composite chip including one red chip and one green chip. The negative poles of the red chip 1 and the green chip 2 are fused together to form a common negative pole 4, and the positive poles 5 and 6 of the red chip 1 and the green chip 2 are isolated from each other. The two chips are packaged together in a wafer housing 3 with two cores and three pins.
[0024] figure 2 It is a composite chip including one red chip 1, one green chip 2 and one blue chip 3. The positive poles of the three chips are laser welded together to form a common positive pole 5, and ...
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