- Patent Title: Electroluminescence display apparatus and driving method thereof
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Application No.: US17743565Application Date: 2022-05-13
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Publication No.: US11557258B2Publication Date: 2023-01-17
- Inventor: Min Koo Kim , Tae Young Lee , Sang Goo Jeong
- Applicant: LG DISPLAY CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG DISPLAY CO., LTD.
- Current Assignee: LG DISPLAY CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: Polsinelli PC
- Priority: KR10-2021-0069407 20210528
- Main IPC: G09G3/3291
- IPC: G09G3/3291

Abstract:
In an electroluminescence display apparatus and a driving method of an electroluminescence display apparatus, the electroluminescence display apparatus includes a pixel connected to a data line and a reference voltage line, the pixel including a driving element configured to generate a driving current based on a sensing data voltage supplied through the data line and a reference voltage supplied through the reference voltage line, and a level of the driving current being proportional to a level of the sensing data voltage, a comparison and tracking circuit configured to previously determine a target current range between a reference low current and a reference high current and change current tracking data for adjusting a level of the sensing data voltage until the driving current input through the reference voltage line is within the target current range, and a digital-to-analog converter configured to adjust a level of the sensing data voltage so as to be proportional to a size of the current tracking data and supply the level-adjusted sensing data voltage to the data line.
Public/Granted literature
- US20220383825A1 ELECTROLUMINESCENCE DISPLAY APPARATUS AND DRIVING METHOD THEREOF Public/Granted day:2022-12-01
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