Driving chip, preparation method thereof and light-emitting substrate

The preparation of the driver chips for micro LED display products through separation technology solves the problem of high production cost of micro driver chips, achieves the effect of simple structural design and low cost, and expands its application range.

CN119133190APending Publication Date: 2024-12-13BOE TECHNOLOGY GROUP CO LTD
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Patent Information

Application Number
CN202411280772.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2024-12-13

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Abstract

The invention provides a driving chip and a preparation method thereof, and a light-emitting substrate, and relates to the technical field of display, and the preparation method of the driving chip comprises the steps: providing a first semiconductor film; the material of the first semiconductor film comprises silicon; processing the first semiconductor film to obtain a first sub-film and a second sub-film; forming a shading film; the second sub-film is located on one side of the first sub-film away from the shading film; bonding the shading film and the first substrate together by adopting a bonding process; performing separation treatment on the first sub-film and the second sub-film to obtain the separated second sub-film and the substrate; and forming a driving unit on the substrate to obtain the driving chip. The preparation method of the driving chip provided by the invention is simple in process and low in cost.
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Citation Information

Cited By

  • Micro-LED display chip and preparation method thereof

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