公开(公告)号：US11816274B2

公开(公告)日：2023-11-14

申请号：US17937885

申请日：2022-10-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gi Na Yoo ,  Ju Yeon Kim ,  Won Sang Park ,  Chang Woo Shim ,  Seong Jun Lee ,  Dong Hee Choi

IPC: G06F3/03 ,  G06F3/041 ,  G06F3/0354 ,  G06F3/038 ,  G06F3/044

CPC classification number: G06F3/0317 ,  G06F3/0383 ,  G06F3/03542 ,  G06F3/0412 ,  G06F3/0446

Abstract: The present disclosure relates to a display device, a touch input device, and a touch input system, where the display device comprises: a display unit including a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and configured to sense a touch; a plurality of grid patterns separated from the plurality of touch electrodes in a preset shape or formed integrally with the plurality of touch electrodes; and a plurality of code patterns formed in a preset code shape in some areas of a front surface corresponding to the plurality of touch electrodes, wherein the plurality of grid patterns comprise grid reference points of intersecting grid reference lines, and are respectively formed at positions corresponding to the grid reference points.

公开(公告)号：US20230259219A1

公开(公告)日：2023-08-17

申请号：US17937885

申请日：2022-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Gi Na YOO ,  Ju Yeon Kim ,  Won Sang Park ,  Chang Woo Shim ,  Seong Jun Lee ,  Dong Hee Choi

IPC: G06F3/03 ,  G06F3/041 ,  G06F3/044 ,  G06F3/038 ,  G06F3/0354

CPC classification number: G06F3/0317 ,  G06F3/0412 ,  G06F3/0446 ,  G06F3/0383 ,  G06F3/03542

Abstract: The present disclosure relates to a display device, a touch input device, and a touch input system, where the display device comprises: a display unit including a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and configured to sense a touch; a plurality of grid patterns separated from the plurality of touch electrodes in a preset shape or formed integrally with the plurality of touch electrodes; and a plurality of code patterns formed in a preset code shape in some areas of a front surface corresponding to the plurality of touch electrodes, wherein the plurality of grid patterns comprise grid reference points of intersecting grid reference lines, and are respectively formed at positions corresponding to the grid reference points.

公开(公告)号：US11587990B2

公开(公告)日：2023-02-21

申请号：US17666749

申请日：2022-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sang Park ,  Seong Jun Lee

IPC: H01L27/32 ,  H01L51/52 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a display unit comprising a plurality of light-emitting areas emitting light. A touch sensing unit is disposed on the display unit to sense a touch. A buffer part is disposed on the touch sensing unit to cushion an external impact. A metal pattern is disposed on the buffer part and has a mesh structure. The metal pattern includes a plurality of code patterns having a cut shape that encodes position information.

公开(公告)号：US11568036B2

公开(公告)日：2023-01-31

申请号：US17520699

申请日：2021-11-07

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F21/32 ,  G06F3/042 ,  G06V40/13 ,  G06V40/12

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.

公开(公告)号：US20230023671A1

公开(公告)日：2023-01-26

申请号：US17698225

申请日：2022-03-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang Woo Shim ,  Won Sang Park ,  Gi Na Yoo ,  Seong Jun Lee

IPC: H01L51/52 ,  G06F3/044 ,  G06F3/041 ,  H01L27/32

Abstract: A display device includes a display layer, a plurality of touch electrodes, a light shield, and a code pattern. The display layer includes a plurality of light emission areas for emitting light. The plurality of touch electrodes are disposed on the display layer to sense a touch and surround the plurality of light emission areas. The light-shield is disposed on a portion of the plurality of touch electrodes. The code pattern is determined by a planar shape of the light-shield to have position information. The light-shield absorbs light of a specific wavelength, and another portion of the touch electrodes, which is not overlapped with the light-shield, reflects light of the specific wavelength.

公开(公告)号：US11423691B2

公开(公告)日：2022-08-23

申请号：US16927622

申请日：2020-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Hyun Moon ,  Yun Ho Kim ,  Jin Oh Kwag ,  Won Sang Park ,  Bong Hyun You ,  Keum Dong Jung ,  Chui Kim ,  Jun Hee Moon ,  Deok Hwa Woo ,  Hee Chui Hwang

IPC: G06V40/13 ,  G06V40/12

Abstract: A display device includes a display panel including a plurality of pixels configured to display an image, a photo sensor on one surface of the display panel to sense light, and a fingerprint detector configured to control a fake determination image pattern of a fingerprint sensing area of the display panel configured to sense a fingerprint, and to perform fingerprint authentication and fake fingerprint determination, based on a sensing signal supplied from the photo sensor.

公开(公告)号：US11256373B2

公开(公告)日：2022-02-22

申请号：US16188497

申请日：2018-11-13

Applicant: SAMSUNG DISPLAY CO., LTD. ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Jae Ik Lim ,  Won Sang Park ,  Hye Yong Chu ,  Kibog Park ,  Sungchul Jung ,  Hanbyul Jin

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32

Abstract: An input sensing unit that utilizes conductive layers to sense various types of input. The input sensing unit may include a first conductive layer including first sensing electrodes; a second conductive layer disposed on the first conductive layer, the second conductive layer including second sensing electrodes and third sensing electrodes; and at least one insulating layer insulating the first conductive layer and the second conductive layer from each other. The input sensing unit senses at least one of a touch, a pressure, and a degree of moisture based on a change in capacitance between the conductive layers.

公开(公告)号：US20210334496A1

公开(公告)日：2021-10-28

申请号：US17370206

申请日：2021-07-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keum Dong JUNG ,  II Nam Kim ,  Kyung Tea Park ,  Jin Oh Kwag ,  Won Sang Park ,  Sung Chan Jo

IPC: G06K9/00

Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.

公开(公告)号：US10944068B2

公开(公告)日：2021-03-09

申请号：US16697002

申请日：2019-11-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chi-O Cho ,  Byungchoon Yang ,  Young-Jun Seo ,  Won Sang Park

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.

公开(公告)号：US10937944B2

公开(公告)日：2021-03-02

申请号：US15845202

申请日：2017-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Byeong-Hee Won ,  Yi Joon Ahn ,  Won Sang Park

IPC: H01L41/193 ,  H01L41/113 ,  H02N2/18 ,  H04R17/00 ,  H01L41/08 ,  H04R17/02 ,  H04R19/02 ,  H04R19/04 ,  H04R23/02 ,  H04R19/00

Abstract: A piezoelectric element includes: an upper electrode having acoustic transparency; a lower electrode; and a diaphragm disposed between the upper electrode and the lower electrode and configured of a mesoporous piezoelectric thin film. The upper electrode, the lower electrode, and the diaphragm are electrically insulated from one another.