Invention Application
- Patent Title: DISPLAY APPARATUS INCLUDING A TOUCH DRIVING CIRCUIT
-
Application No.: US16503741Application Date: 2019-07-05
-
Publication No.: US20200012375A1Publication Date: 2020-01-09
- Inventor: Deog-Kyoon Jeong , Youngmin Park , Sangjine Park , Jiheon Park , Jonghyun Oh , Sanghune Park
- Applicant: Samsung Display CO., LTD.
- Applicant Address: KR Seoul
- Assignee: SEOUL NATIONAL UNIVERSITY, R&DB FOUNDATION
- Current Assignee: SEOUL NATIONAL UNIVERSITY, R&DB FOUNDATION
- Current Assignee Address: KR Seoul
- Priority: KR10-2018-0078680 20180706
- Main IPC: G06F3/041
- IPC: G06F3/041

Abstract:
A display apparatus includes a display panel, a touch sensing unit, and a touch driving circuit. The touch sensing unit includes a transmission touch line. The touch driving circuit provides a touch driving signal to the transmission touch line. The touch driving circuit may include a switch group and a control switch group. The switch group may include a plurality of switch devices, each of which has one end connected to the transmission touch line. The control switch group may be connected to the other end of at least a portion of the switch devices, include a plurality of control switch devices and a capacitor device, and receive a driving voltage and a ground voltage. The touch driving signal has N voltage levels, where N is a natural number of 3 or more.
Public/Granted literature
- US10942597B2 Display apparatus including a touch driving circuit Public/Granted day:2021-03-09
Information query