The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Mar. 19, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Keun Woo Kim, Seongnam-si, KR;
Doo Na Kim, Cheonan-si, KR;
Ji Yeong Shin, Suwon-si, KR;
Yong Su Lee, Seoul, KR;
Jae Hwan Chu, Hwaseong-si, KR;
Ki Seok Choi, Seoul, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An ultrasonic sensing device includes: a sensing layer between a driving electrode and a sensing electrode, a double-gated first transistor connected to a selection line and the sensing electrode, and may further include a sensed voltage storing capacitor having an electrode on the same layers as the first transistor. The configuration as a double gated transistor of a pixel sensor and the placement of one of the capacitor electrodes on the same layer can each reduce the size of the pixel sensor. The ultrasonic sensing device may be utilized as a proximity sensor or a fingerprint recognition sensor.