公开(公告)号：US11815754B2

公开(公告)日：2023-11-14

申请号：US17235475

申请日：2021-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyo Won Ku ,  Jung Hak Kim ,  Young Sik Kim ,  Jin Woo Kim ,  Jeong Heon Lee ,  Hee Yeon Choi

IPC: G02F1/1333 ,  G02F1/1503 ,  G02F1/155 ,  G02F1/1335 ,  G09F9/30 ,  G09G3/36 ,  G06V40/13 ,  G06V40/12

CPC classification number: G02F1/13338 ,  G02F1/133524 ,  G02F1/133526 ,  G02F1/1503 ,  G02F1/155 ,  G06V40/1306 ,  G09F9/301 ,  G09G3/3696 ,  G02F2001/1555 ,  G06V40/1341

Abstract: A display device includes a first display panel for displaying a first image, a fingerprint sensor disposed on one surface of the first display panel and detecting light passing through the first display panel, and a first light transmission control unit disposed between the first display panel and the fingerprint sensor for controlling transmission of light.

公开(公告)号：US12056952B2

公开(公告)日：2024-08-06

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: H01L31/0232 ,  G06V40/13 ,  H01L23/48 ,  H10K59/12 ,  H10K59/65 ,  H01L27/146

CPC classification number: G06V40/1318 ,  H01L23/481 ,  H10K59/12 ,  H10K59/65 ,  H01L27/14623 ,  H01L27/14678

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：US11915510B2

公开(公告)日：2024-02-27

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 ,  G06F21/32 ,  H01L27/146 ,  G06F21/84

CPC classification number: G06V40/1318 ,  G06F21/32 ,  H01L27/14623 ,  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：US11508178B2

公开(公告)日：2022-11-22

申请号：US17169753

申请日：2021-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeong Heon Lee ,  Young Sik Kim ,  Jung Hak Kim ,  Kyo Won Ku ,  Hee Yeon Choi

IPC: H01L31/0232 ,  G06V40/13 ,  H01L27/32 ,  H01L23/48 ,  H01L27/146

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：US11169629B2

公开(公告)日：2021-11-09

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 ,  H01L27/32

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.