公开(公告)号：US11908223B2

公开(公告)日：2024-02-20

申请号：US17362928

申请日：2021-06-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Hyun Baek ,  Ji Hun Ryu ,  Chang Min Park ,  Jeong An Hong

IPC: G06V40/13 ,  G06V40/12 ,  H10K59/12 ,  H10K59/65

CPC classification number: G06V40/1306 ,  G06V40/1318 ,  G06V40/1365 ,  H10K59/12 ,  H10K59/65

Abstract: A display device includes a display panel; a metal plate and a filling member disposed on a same layer on a bottom surface of the display panel and that include different materials; a fingerprint sensor disposed on a bottom surface of the filling member and that overlaps the filling member; and a member-sensor bonding member disposed between the fingerprint sensor and the filling member and that bonds the fingerprint sensor to the filling member. At least a part of a side surface of the filling member and a side surface of the metal plate are spaced apart from each other with an air gap therebetween.

公开(公告)号：US11711961B2

公开(公告)日：2023-07-25

申请号：US17732252

申请日：2022-04-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hun Ryu ,  Jin Oh Kwag

IPC: G09G5/00 ,  H10K59/60 ,  G06F3/041 ,  G06V40/13 ,  H10K50/86 ,  H10K59/122 ,  H10K59/35

CPC classification number: H10K59/60 ,  G06F3/0412 ,  G06V40/1318 ,  H10K50/865 ,  H10K59/122 ,  H10K59/351

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：US20220230467A1

公开(公告)日：2022-07-21

申请号：US17579500

申请日：2022-01-19

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hun Ryu ,  Kwang Hyun Baek ,  Dong Hwan Lee ,  Chae Eun Lee ,  Jae Hyung Jo ,  Jeong An Hong

IPC: G06V40/13 ,  H01L27/32 ,  H01L51/00

Abstract: A display device includes a display panel; a metal plate and a filling member which are disposed on a lower surface of the display panel, are disposed on the same layer, and include different materials; and a fingerprint sensor which is disposed on a lower surface of the filling member and is overlapped by the filling member in a thickness direction, wherein the metal plate includes a plurality of outlines extending in different directions in plan view, one outline of the metal plate includes a plurality of sides extending along a first direction and a discontinuous part disposed between the sides, an open part recessed from the discontinuous part in a second direction intersecting the first direction is formed in the metal plate, and the filling member is located in the open part in plan view.

公开(公告)号：US20220102444A1

公开(公告)日：2022-03-31

申请号：US17397884

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun Ryu ,  Yun Ho Kim ,  II Nam Kim ,  Eun Jin Sung

IPC: H01L27/32 ,  G06K9/00

Abstract: A display device including a plurality of pixels arranged in a matrix, a substrate, a first anode disposed on the substrate, and a plurality of opaque conductive layers disposed between the substrate and the first anode, in which the pixels include an opening pixel including a first anode arrangement region, a pinhole region located around the first anode arrangement region and surrounded by the first anode, and a first anode non-arrangement region including an exposed region located outside the first anode, and in a plan view, the opaque conductive layers completely cover the exposed region and at least partially expose the pinhole region.

公开(公告)号：US20210055826A1

公开(公告)日：2021-02-25

申请号：US16997871

申请日：2020-08-19

Applicant: Samsung Display Co., LTD.

Inventor： Won Sang PARK ,  Jin Oh Kwag ,  II Nam Kim ,  Ji Hun Ryu ,  Seung Hyun Moon ,  Bong Hyun You ,  Jong Hyun Lee ,  Hee Chul Hwang

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

Abstract: A display device includes 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 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.

公开(公告)号：US20190278968A1

公开(公告)日：2019-09-12

申请号：US16115164

申请日：2018-08-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Katsumasa Yoshii ,  Ji Hun Ryu ,  Yun Ho Kim ,  Il Nam Kim ,  Han Yung Jung

IPC: G06K9/00 ,  G02F1/1333 ,  G06F3/041 ,  H01L29/786

Abstract: A display device includes a base, a photosensor disposed on a surface of the base, a light emitting element disposed on the photosensor that includes a bottom electrode, an upper electrode and a light emitting layer interposed between the bottom electrode and the upper electrode, and a light condenser disposed on the light emitting element. The light condenser does not overlap the bottom electrode in a plan view.

公开(公告)号：US12067801B2

公开(公告)日：2024-08-20

申请号：US18174699

申请日：2023-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Hyung Jo ,  Ji Hun Ryu ,  Kwang Hyun Baek ,  Jong In Baek ,  Su Yul Seo ,  Sung Ho Jin

IPC: G06V40/13 ,  H10K50/87 ,  H10K59/40

CPC classification number: G06V40/1306 ,  G06V40/1318 ,  H10K50/87 ,  H10K59/40

Abstract: A display device includes a display panel, a metal plate disposed on a bottom surface of the display panel and configured to support the display panel, a filling member disposed on the bottom surface of the display panel, the filling member being disposed on the same level as the metal plate relative to the bottom surface of the display panel, and a material of the metal plate being different from a material of the filling member, a fingerprint sensor disposed on a bottom surface of the filling member, and a member-sensor bonding member disposed between the fingerprint sensor and the filling member to bond the fingerprint sensor to the filling member. A hardness of the filling member is greater than a hardness of the member-sensor bonding member.

公开(公告)号：US20240153302A1

公开(公告)日：2024-05-09

申请号：US18417566

申请日：2024-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KWANG HYUN BAEK ,  Ji Hun Ryu ,  Chang Min Park ,  Jeong An Hong

IPC: G06V40/13 ,  G06V40/12 ,  H10K59/12 ,  H10K59/65

CPC classification number: G06V40/1306 ,  G06V40/1318 ,  G06V40/1365 ,  H10K59/12 ,  H10K59/65

Abstract: A display device includes a display panel; a metal plate and a filling member disposed on a same layer on a bottom surface of the display panel and that include different materials; a fingerprint sensor disposed on a bottom surface of the filling member and that overlaps the filling member; and a member-sensor bonding member disposed between the fingerprint sensor and the filling member and that bonds the fingerprint sensor to the filling member. At least a part of a side surface of the filling member and a side surface of the metal plate are spaced apart from each other with an air gap therebetween.

公开(公告)号：US11721124B2

公开(公告)日：2023-08-08

申请号：US17581983

申请日：2022-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyun Lee ,  Il Nam Kim ,  Ji Hun Ryu ,  Eun Jin Sung ,  Seong Ryong Lee

IPC: G06V40/13 ,  H10K59/65 ,  H10K59/126 ,  H10K59/131 ,  H10K59/121

CPC classification number: G06V40/1318 ,  H10K59/126 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/65

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：US11694620B2

公开(公告)日：2023-07-04

申请号：US17649404

申请日：2022-01-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hun Ryu ,  Il Nam Kim ,  Jong Hyun Lee ,  Jae Kyoung Kim ,  Eun Jin Sung ,  Seong Ryong Lee

IPC: G06V40/13 ,  G09G3/3233 ,  G09G3/20 ,  G02F1/133

CPC classification number: G09G3/3233 ,  G06V40/1318 ,  G09G3/20 ,  G02F1/13312 ,  G09G2310/08 ,  G09G2360/14

Abstract: A display device is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.