Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 11, 2022
Patent Application Number
17458656
Date Filed
August 27, 2021
Patent Citations
Patent Citations Received
Patent Primary Examiner
In a pulse output circuit in a shift register, a power source line which is connected to a transistor in an output portion connected to a pulse output circuit at the next stage is set to a low-potential drive voltage, and a power source line which is connected to a transistor in an output portion connected to a scan signal line is set to a variable potential drive voltage. The variable potential drive voltage is the low-potential drive voltage in a normal mode, and can be either a high-potential drive voltage or the low-potential drive voltage in a batch mode. In the batch mode, display scan signals can be output to a plurality of scan signal lines at the same timing in a batch.
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