Patent · US Active

Driver chip, light-emitting substrate and testing method thereof, and display apparatus

US12347352B2 · kind B2 · utility

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1References
20Claims
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Key dates

Filing dateJul 14, 2022
Grant dateJul 1, 2025
Priority date
Expiry dateJul 14, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L25/167
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A driver chip is disclosed. The driver chip includes: a logic control module, at least one output pin and a first functional pin. The at least one output pin is electrically connected to the logic control module, and the first functional pin is electrically connected to the logic control module. The first functional pin is capable of receiving a test signal, and the logic control module is configured to generate, according to the test signal, a test current flowing through each output pin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.