公开(公告)号：US20220148329A1

公开(公告)日：2022-05-12

申请号：US17581983

申请日：2022-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyun LEE ,  II Nam KIM ,  Ji Hun RYU ,  Eun Jin SUNG ,  Seong Ryong LEE

IPC: G06V40/13 ,  H01L27/146

Abstract: A fingerprint sensor for a display device including: a substrate having first and second surfaces; a light transmission layer including a first layer disposed on the first surface of the substrate and having first openings in at least one first conductive layer, and a second layer disposed on the first surface of the substrate and having second openings in at least one second conductive layer; a light emitting element layer disposed on the first layer and the second layer and having at least one light emitting element; and a sensor layer disposed on the second surface of the substrate and having light sensors. At least a portion of the first openings and at least a portion of the second openings at least partially overlap and have different sizes.

公开(公告)号：US20220109029A1

公开(公告)日：2022-04-07

申请号：US17504425

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun RYU ,  Eun Jin SUNG ,  Yun Ho KIM ,  Il Nam KIM ,  Won Sang PARK

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3275 ,  G09G3/3266 ,  G06V40/13

Abstract: A display device includes a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.

公开(公告)号：US20210225989A1

公开(公告)日：2021-07-22

申请号：US17028915

申请日：2020-09-22

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hun RYU ,  II Nam KIM ,  Won Sang PARK ,  Eun Jin SUNG ,  Seong Ryong LEE ,  Jong Hyun LEE

IPC: H01L27/32 ,  H01L51/52 ,  H04M1/02

Abstract: A display device including a substrate; a display element layer on the substrate, the display element layer including light emitting devices; a circuit element layer between the substrate and the display element layer, the circuit element layer including signal lines and light transmitting areas which are located between the signal lines in a plan view and allow light to be transmitted therethrough; a first light blocking layer between the substrate and the circuit element layer, the first light blocking layer including first openings; and a second light blocking layer on the first light blocking layer, the second light blocking layer including second openings. The second light blocking layer includes second sub-light blocking layers disposed to be spaced apart from each other, the second sub-light blocking layers each having the second openings. The first openings of the first light blocking layer overlaps with an area between the second sub-light blocking layers.

公开(公告)号：US20240147642A1

公开(公告)日：2024-05-02

申请号：US18447821

申请日：2023-08-10

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hun RYU ,  Woo Young KIM ,  Yun Ha KIM ,  Bon Joo KOO ,  Jae Young YU

IPC: H05K5/02 ,  G06V40/13

CPC classification number: H05K5/0217 ,  G06V40/1306

Abstract: In a display device including unfoldable areas and a foldable area between the unfoldable areas, the display device includes: a window; a display panel under the window; a fingerprint detection sensor configured to generate signals for fingerprint recognition in a direction toward the display panel in any one of the unfoldable areas; a first support member supporting the display panel under the display panel and between the display panel and the fingerprint detection sensor; a second support member supporting the display panel under the first support member and having an opening overlapping the fingerprint detection sensor; and a reinforcing member overlapping the opening of the second support member and between the first support member and the fingerprint detection sensor, wherein the reinforcing member includes glass.

公开(公告)号：US20230371321A1

公开(公告)日：2023-11-16

申请号：US18349847

申请日：2023-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  Il Nam KIM ,  Ji Hun RYU ,  Ki Hyun PYO

IPC: H10K59/126 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/041 ,  G06V40/13 ,  H10K59/131

CPC classification number: H10K59/126 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/0412 ,  G06V40/1318 ,  H10K59/131 ,  G06F3/0443

Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.

公开(公告)号：US20230165106A1

公开(公告)日：2023-05-25

申请号：US18094924

申请日：2023-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun RYU ,  Eun Jin Sung ,  Yun Ho Kim ,  II Nam Kim ,  Won Sang Park

IPC: H10K59/40 ,  G09G3/3275 ,  G09G3/3266 ,  G06V40/13 ,  H10K50/842 ,  H10K59/131

CPC classification number: H10K59/40 ,  G09G3/3275 ,  G09G3/3266 ,  G06V40/1306 ,  H10K50/8426 ,  H10K59/131 ,  G09G2300/0439 ,  H10K2102/103

Abstract: A display device including a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer

公开(公告)号：US20230100439A1

公开(公告)日：2023-03-30

申请号：US17869661

申请日：2022-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Min CHOI ,  Ji Hun RYU ,  Su Yul SEO ,  Kwang Hyun BAEK ,  Dong Hwan LEE ,  Won Ki HONG ,  Jeong An HONG

IPC: G06V40/13 ,  G06F3/042 ,  G06V40/12 ,  G06V10/147

Abstract: Provided is a display device comprising a display panel, a metal plate on a bottom surface of the display panel, the metal plate including a first surface facing the bottom surface of the display panel and a second surface opposite to the one surface, and a fingerprint sensor overlappingly disposed on the second surface of the metal plate, wherein the metal plate includes an indentation groove recessed in a direction toward the first surface from the second surface of the metal plate, and the fingerprint sensor is disposed on the second surface of the metal plate on which the indentation groove is formed.

公开(公告)号：US20230006020A1

公开(公告)日：2023-01-05

申请号：US17929535

申请日：2022-09-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  Il Nam KIM ,  Ji Hun RYU ,  Ki Hyun PYO

IPC: H01L27/32 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/041 ,  G06V40/13

Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.

公开(公告)号：US20220254844A1

公开(公告)日：2022-08-11

申请号：US17732252

申请日：2022-04-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hun RYU ,  Jin Oh KWAG

IPC: H01L27/32 ,  G06F3/041 ,  H01L51/52 ,  G06V40/13

Abstract: A fingerprint sensor includes: a substrate; a circuit element layer on a first surface of the substrate and including a plurality of conductive layers; a light emitting element layer on the circuit element layer and including light emitting elements and a light shielding layer; and a light sensor layer on a second surface of the substrate and including light sensors, wherein the light shielding layer includes contact holes exposing first electrodes of the light emitting elements, and first opening portions exposing a portion of the circuit element layer, and the circuit element layer includes second opening portions formed in the plurality of conductive layers and includes a light transmission hole of which at least a portion overlaps the first opening portions.

公开(公告)号：US20220058254A1

公开(公告)日：2022-02-24

申请号：US17520699

申请日：2021-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Won Sang PARK ,  Jin Oh KWAG ,  ILNAM KIM ,  Ji Hun RYU ,  Seung Hyun MOON ,  Bong Hyun YOU ,  Jong Hyun LEE ,  Hee Chul HWANG

IPC: G06F21/32 ,  G06F3/042 ,  G06K9/00

Abstract: A display device including a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and a fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.