Invention Grant
- Patent Title: Testing device of display module, testing system including the same, and testing method using the same
-
Application No.: US16667335Application Date: 2019-10-29
-
Publication No.: US11409395B2Publication Date: 2022-08-09
- Inventor: Il Ho Lee , Sanghyuk Kwon , Yeongbin Kim , Chansik Noh , Eunchul Shin , Sangmin Choi
- 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: H.C. Park & Associates, PLC
- Priority: KR10-2018-0161103 20181213
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G01R27/26 ; G01R31/28 ; G09G3/00
Abstract:
A testing device for testing a display module may include touch test pads electrically connected to touch pads of a display module, a first power test pad and a second power test pad electrically connected to a first power pad and a second power pad of the display module, a voltage generator providing a first test power voltage and a second power test voltage to the first power test pad and second power test pad, and a capacitance measurement circuit measuring capacitance between the first power test pad and second power test pad.
Information query
