US 12,223,137 B2
Electronic device
Satoshi Uchino, Yokohama (JP); Kazuhiro Matsumoto, Yokohama (JP); and Masahiko Takiguchi, Yokohama (JP)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 9, 2023, as Appl. No. 18/107,635.
Claims priority of application No. 10-2022-0042860 (KR), filed on Apr. 6, 2022.
Prior Publication US 2023/0325028 A1, Oct. 12, 2023
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/04166 (2019.05) [G06F 3/0418 (2013.01); G06F 3/0443 (2019.05); G06F 2203/04102 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a display panel;
a sensor layer disposed on the display panel and including a plurality of sensing electrodes; and
a sensor driver which is connected with the plurality of sensing electrodes and drives the sensor layer, the sensor driver including:
a plurality of analog-to-digital converters which sample an input signal received from an outside by the sensor layer,
wherein the plurality of analog-to-digital converters is connected one-to-one with the plurality of sensing electrodes,
wherein the plurality of sensing electrodes is sampled at a same time by the plurality of analog-to-digital converters respectively connected with the plurality of sensing electrodes, and
wherein sensing electrodes which are connected with the plurality of analog-to-digital converters among the plurality of sensing electrodes and sensing electrodes which are not connected with the plurality of analog-to-digital converters among the plurality of sensing electrodes are alternately arranged.
 
13. An electronic device, comprising:
a display panel;
a sensor layer disposed on the display panel and including a plurality of sensing electrodes; and
a sensor driver which is connected with the plurality of sensing electrodes and drives the sensor layer, the sensor driver includes:
a plurality of analog-to-digital converters which sample an input signal received from an outside by the sensor layer,
wherein one of the plurality of analog-to-digital converters is electrically connected with a sensing electrode group including some sensing electrodes adjacent to each other among the plurality of sensing electrodes,
wherein the sensing electrode group is plural in number,
wherein a plurality of sensing electrode groups is sampled at a same time by analog-to-digital converters respectively connected with the plurality of sensing electrode groups, and
wherein sensing electrodes which are connected with the plurality of analog-to-digital converters among the plurality of sensing electrodes and sensing electrodes which are not connected with the plurality of analog-to-digital converters among the plurality of sensing electrodes are alternately arranged.
 
14. An electronic device, comprising:
a display panel;
a sensor layer disposed on the display panel and including a plurality of sensing electrodes extending in a first direction and arranged in a second direction crossing the first direction; and
a sensor driver which is electrically connected with the plurality of sensing electrodes and drives the sensor layer, the sensor driver including:
a plurality of analog-to-digital converters which are connected one-to-one with the plurality of sensing electrodes and sample an input signal received in the plurality of sensing electrodes from an outside at a same time,
wherein a number of the plurality of sensing electrodes is equal to a number of the plurality of analog-to-digital converters, and
wherein sensing electrodes which are connected with the plurality of analog-to-digital converters among the plurality of sensing electrodes and sensing electrodes which are not connected with the plurality of analog-to-digital converters among the plurality of sensing electrodes are alternately arranged.