公开(公告)号：US20230326228A1

公开(公告)日：2023-10-12

申请号：US18132262

申请日：2023-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Kee Yong KIM ,  Jung Hun SIN ,  Young Sik KIM ,  Tae Joon KIM ,  Hee Woong PARK ,  Sang Wook YOO

IPC: G06V40/13 ,  G06V40/12

CPC classification number: G06V40/13 ,  G06V40/1347 ,  G06V40/1365

Abstract: Provided is a fingerprint authentication device comprising a biometric sensor that senses biometric information to generate a sensing signal; an image processor that extracts a calibration function based on calibration data and generates a fingerprint image based on the calibration function and the sensing signal; and an authenticator that performs fingerprint authentication by comparing the fingerprint image and registered fingerprint information. The calibration data includes information on a calibration coefficient of the calibration function.

公开(公告)号：US20230035999A1

公开(公告)日：2023-02-02

申请号：US17718846

申请日：2022-04-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Seong LEE ,  Jun Young KO ,  Kee Yong KIM ,  Eun Sol SEO ,  Jung Hun SIN ,  Jae Woo CHOI

IPC: G01R31/28

Abstract: A touch testing apparatus includes: a pogo pad area including input and output test pogo pads respectively connected to input and output test pads disposed in a pad area of a touch detection module; a test touch driver circuit configured to detect compression deviations between the input test pad and the input test pogo pad and between the output test pad and the output test pogo pad, and to correct touch data of the touch detection module based on the detected compression deviations; and a test board on which the test touch driver circuit is mounted, wherein the test board is configured to electrically connect the test touch driver circuit with the input and output test pogo pads.