Invention Grant
- Patent Title: Pixel circuit and display apparatus having the same
-
Application No.: US17062971Application Date: 2020-10-05
-
Publication No.: US11322093B2Publication Date: 2022-05-03
- Inventor: Jun Hyun Park , Chong Chui Chai , Young Wan Seo , An Su Lee , Bo Yong Chung , Kang Moon Jo
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-Si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-Si
- Agency: Cantor Colburn LLP
- Priority: KR10-2019-0132744 20191024
- Main IPC: G09G3/3258
- IPC: G09G3/3258 ; G09G3/3233

Abstract:
A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.
Public/Granted literature
- US20210125560A1 PIXEL CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME Public/Granted day:2021-04-29
Information query
IPC分类: