Invention Grant
- Patent Title: Pixel circuit and display panel
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Application No.: US17147768Application Date: 2021-01-13
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Publication No.: US11217154B2Publication Date: 2022-01-04
- Inventor: Minjae Jeong , Keechan Park , Joonho Lee , Kyunghoon Chung , Chongchul Chai
- Applicant: SAMSUNG DISPLAY CO., LTD. , KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
- Applicant Address: KR Yongin-si; KR Seoul
- Assignee: SAMSUNG DISPLAY CO., LTD.,KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
- Current Assignee: SAMSUNG DISPLAY CO., LTD.,KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
- Current Assignee Address: KR Yongin-si; KR Seoul
- Agency: F. Chau & Associates, LLC
- Priority: KR10-2020-0040473 20200402
- Main IPC: G09G3/36
- IPC: G09G3/36 ; H03K3/0233 ; G09G3/32

Abstract:
A display panel includes sub-pixels each including a light-emitting element and a pixel circuit including a first transistor and a second transistor; a timing control unit to generate bias data based on first characteristic information of the first transistor, and generate correction data based on second characteristic information of the second transistor; and a data sensing driving unit configured to receive the bias data and the correction data, and output a bias voltage and a grayscale voltage to the pixel circuit. The pixel circuit includes the first transistor to output a driving current to the light-emitting element; a first driving circuit to control a magnitude of the driving current based on the bias voltage; and a second driving circuit including the second transistor and configured to control a pulse width of the driving current based on the grayscale voltage.
Public/Granted literature
- US20210312856A1 PIXEL CIRCUIT AND DISPLAY PANEL Public/Granted day:2021-10-07
Information query
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