US 12,340,718 B2
Electronic device testing method
Jinwoo Park, Yongin-si (KR); Bogeun Yuk, Yongin-si (KR); Taejoon Kim, Yongin-si (KR); Seungrok Lee, Yongin-si (KR); and Il Ho Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on May 19, 2023, as Appl. No. 18/199,606.
Claims priority of application No. 10-2022-0097527 (KR), filed on Aug. 4, 2022.
Prior Publication US 2024/0046827 A1, Feb. 8, 2024
Int. Cl. G09G 3/00 (2006.01); G06F 3/044 (2006.01); G09G 3/20 (2006.01)
CPC G09G 3/006 (2013.01) [G06F 3/0446 (2019.05); G09G 3/2096 (2013.01); G09G 2330/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device testing method comprising:
providing an electronic device including:
a display layer including a common electrode; and
a sensor layer disposed on the display layer and including a plurality of first electrodes and a plurality of second electrodes which insulatively intersect the plurality of first electrodes;
measuring a plurality of jitter values of a plurality of channels formed by the plurality of first electrodes and the plurality of second electrodes;
calculating a first value being an average of the plurality of jitter values;
calculating a second value by summing jitter values, among the plurality of jitter values, of channels formed by one of the plurality of second electrodes among the plurality of channels; and
testing the common electrode based on a third value obtained by dividing the second value by the first value.