公开(公告)号：US20230267759A1

公开(公告)日：2023-08-24

申请号：US17391250

申请日：2021-08-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyo Won KU ,  Young Sik KIM ,  Jung Hak KIM ,  Jeong Heon LEE ,  Hee Yeon CHOI

IPC: G06V40/13 ,  H01L27/146 ,  G06F21/32 ,  G06F21/84

CPC classification number: G06V40/1318 ,  H01L27/14623 ,  G06F21/32 ,  G06F21/84

Abstract: A fingerprint sensor including: a substrate; a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer; a light-blocking conductive layer disposed on the common electrode and including light transmitting holes; and a light guide unit disposed on the light-blocking conductive layer.

公开(公告)号：US20230116395A1

公开(公告)日：2023-04-13

申请号：US18057425

申请日：2022-11-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeong Heon LEE ,  Young Sik KIM ,  Jung Hak KIM ,  Kyo Won KU ,  Hee Yeon CHOI

IPC: G06V40/13 ,  H01L23/48

Abstract: A fingerprint sensor includes a substrate, a sensor pixel disposed on the substrate and including a light sensing element through which a sensing current flows according to an amount of incident light, a light-blocking conductive layer disposed on the sensor pixel and including a plurality of holes, a first fingerprint pad disposed on the substrate, and a conductive connector connected to the first fingerprint pad and to which a predetermined voltage is applied. The light-blocking conductive layer is electrically connected to the conductive connector.

公开(公告)号：US20200089347A1

公开(公告)日：2020-03-19

申请号：US16386203

申请日：2019-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Yeon BAEK ,  Mi Young KIM ,  Chang Bum KIM ,  Jung Mok PARK ,  Young Seok YOO ,  Byeong Kyu JEON ,  Hee Yeon CHOI

IPC: G06F3/041

Abstract: A touch screen and a display device having the same are disclosed. The touch screen includes an insulating substrate including a sensing region and a peripheral region, a plurality of sensing electrodes disposed in the sensing region, a plurality of wirings disposed in the peripheral region and electrically connected to the plurality of sensing electrodes, a plurality of pads disposed in the peripheral region and electrically connected to the plurality of wirings, an optical film disposed on an upper portion of the plurality of sensing electrodes, a flexible circuit board electrically connected to the plurality of pads, and a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads, wherein a first height measured from the insulating substrate to an upper surface of the reinforcing member is equal to a second height measured from the insulating substrate to an upper surface of the optical film.