公开(公告)号：US11770636B2

公开(公告)日：2023-09-26

申请号：US16928698

申请日：2020-07-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Ha Son ,  Gee Bum Kim ,  Sang Woo Kim ,  Ki June Lee ,  Jae Ik Lim

IPC: H04N25/76 ,  H01L27/146 ,  H04N25/705 ,  H01L31/105 ,  H01J1/02 ,  H01L27/142 ,  H01L31/0224 ,  H01L31/18

CPC classification number: H04N25/76 ,  H01L27/14609 ,  H04N25/705

Abstract: An optical sensor including: a substrate; a circuit element layer disposed on the substrate and including a circuit element; and a photoelectric element layer including a photoelectric element, a self-assembled monolayer, and a bias electrode connected to the photoelectric element, wherein the photoelectric element is connected to the circuit element, and wherein the self-assembled monolayer is disposed on the photoelectric element.

公开(公告)号：US12087788B2

公开(公告)日：2024-09-10

申请号：US17172440

申请日：2021-02-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki June Lee ,  Ji Hye Kim ,  Jung Ha Son

IPC: H01L27/146 ,  G06V40/13 ,  H01L25/18

CPC classification number: H01L27/1461 ,  G06V40/1318 ,  H01L25/18 ,  H01L27/14612 ,  H01L27/1463 ,  H01L27/14692 ,  H01L27/14625 ,  H01L27/14636

Abstract: A fingerprint sensor includes: a thin film transistor disposed on a substrate; a first insulating layer disposed on the thin film transistor; a first sensing electrode disposed on the first insulating layer and connected to the thin film transistor; a second insulating layer disposed on the first sensing electrode and including an opening exposing the first sensing electrode; a sensing semiconductor layer disposed in the opening of the second insulating layer and on the first sensing electrode, and including an N-type semiconductor layer, an I-type semiconductor layer, and a P-type semiconductor layer, and a second sensing electrode disposed on the sensing semiconductor layer. An upper surface of the sensing semiconductor layer and an upper surface of the second insulating layer are coplanar.

公开(公告)号：US20230177868A1

公开(公告)日：2023-06-08

申请号：US18106231

申请日：2023-02-06

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa LEE ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06V40/13

CPC classification number: G06V40/1318 ,  G06V40/1329 ,  H10K59/40

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US11908231B2

公开(公告)日：2024-02-20

申请号：US18106231

申请日：2023-02-06

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa Lee ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06V40/13 ,  H10K59/40

CPC classification number: G06V40/1318 ,  G06V40/1329 ,  H10K59/40

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US20210097252A1

公开(公告)日：2021-04-01

申请号：US16996764

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hwa Lee ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06K9/00

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US12199199B2

公开(公告)日：2025-01-14

申请号：US18503148

申请日：2023-11-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki June Lee ,  Jung Ha Son ,  Tae Sung Kim ,  Jae Ik Lim ,  Hyun Min Cho

IPC: H01L27/146 ,  H01L27/144 ,  H01L31/0216

Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.

公开(公告)号：US11894470B2

公开(公告)日：2024-02-06

申请号：US16991853

申请日：2020-08-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki June Lee ,  Jung Ha Son ,  Tae Sung Kim ,  Jae Ik Lim ,  Hyun Min Cho

IPC: H01L27/146 ,  H01L31/0216 ,  H01L27/144

CPC classification number: H01L31/02161 ,  H01L27/1443 ,  H01L27/14678 ,  H01L27/14612 ,  H01L27/14623 ,  H01L27/14625

Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.

公开(公告)号：US11694469B2

公开(公告)日：2023-07-04

申请号：US17394507

申请日：2021-08-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki June Lee ,  Tae Hoon Yang ,  Dae Young Lee ,  Sun Hwa Lee ,  Ki Hyun Pyo

IPC: G06V40/13 ,  G09G3/32 ,  H10K59/131 ,  H10K59/65 ,  H10K59/121 ,  H01L29/786 ,  H01L27/12

CPC classification number: G06V40/1318 ,  G09G3/32 ,  H10K59/1213 ,  H10K59/131 ,  H10K59/65 ,  G09G2310/0267 ,  G09G2330/02 ,  H01L27/124 ,  H01L27/1225 ,  H01L27/1251 ,  H01L29/7869 ,  H01L29/78672

Abstract: A display device includes a substrate and a pixel layer disposed on the substrate. The pixel layer includes a circuit element layer having an opening. The circuit element layer includes a first semiconductor layer and a first conductive layer that includes a first scan line pattern and an emission control line. A second conductive layer is disposed on the first conductive layer and includes a first initialization line, a second scan line pattern and a third scan line pattern. A second semiconductor layer is disposed on the second conductive layer. A third conductive layer is disposed on the second semiconductor layer and includes fourth and fifth scan line patterns. The first initialization line includes a first portion and a second portion each extending in a first direction, and a third portion disposed therebetween. The second portion extends diagonally with respect to the first direction.

公开(公告)号：US11574497B2

公开(公告)日：2023-02-07

申请号：US17532887

申请日：2021-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa Lee ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06V40/13 ,  H01L27/32

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US11182584B2

公开(公告)日：2021-11-23

申请号：US16996764

申请日：2020-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa Lee ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06K9/00 ,  H01L27/32

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.