公开(公告)号：US20230083248A1

公开(公告)日：2023-03-16

申请号：US17715464

申请日：2022-04-07

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

Abstract: A smart pen including: a body part; a nib part at an end of the body part; a code detection unit for receiving light reflected from a display panel and the nib part, wherein the light reflected from the display panel and the nib part is used to detect shape data for code patterns of the display panel; and a code processor for generating coordinate data based on the shape data and transmitting the coordinate data to a main processor for driving the display panel based on the coordinate data.

公开(公告)号：US11527733B2

公开(公告)日：2022-12-13

申请号：US17179224

申请日：2021-02-18

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：US20220197425A1

公开(公告)日：2022-06-23

申请号：US17694074

申请日：2022-03-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae-Kyoung KIM ,  Ki Seo Kim ,  Eun Jin Sung ,  Bong Hyun You ,  Won Sang Park

IPC: G06F3/041 ,  H01L27/32 ,  H01Q1/36 ,  H01L51/52

Abstract: A display device includes: a base substrate including a touch area and a non-touch area adjacent to the touch area and including a first area and a second area; a touch electrode disposed in the touch area and including a lattice pattern; an antenna electrode disposed in the first area and including a lattice pattern; a first dummy pattern disposed in the first area; and a second dummy pattern disposed in the second area, wherein the second area is disposed between the first area and the touch area, and the lattice pattern of the touch electrode includes openings that are larger than openings of the lattice pattern of the antenna electrode.

公开(公告)号：US11246532B2

公开(公告)日：2022-02-15

申请号：US16152840

申请日：2018-10-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Ik Lim ,  Won Sang Park

IPC: A61B5/00 ,  H01L27/32 ,  A61B5/11 ,  A61B5/0205 ,  G06K9/00 ,  A61B5/024 ,  H01L27/146

Abstract: An electronic device to be mounted around a finger includes: a top part on which a nail of the finger is located; a bottom part disposed opposite to the top part, where a fingerprint surface of the finger is located on the bottom part; and a side part connecting the top part and the bottom part to each other, where the top part generates a nail image by image-picking up the nail, and senses a movement of the finger, based on the nail image.

公开(公告)号：US11216108B2

公开(公告)日：2022-01-04

申请号：US16938217

申请日：2020-07-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Seo Kim ,  Jae-Kyoung Kim ,  Won Sang Park ,  Bong Hyun You

IPC: G06F3/041 ,  G06F3/044

Abstract: A display apparatus includes a display panel configured to display an image and a touch antenna array disposed on the display panel. The touch antenna array may include a touch electrode, a touch wiring electrically connected to the touch electrode, an antenna electrode including a plurality of antenna elements, a feeder electrically connected to the antenna electrode, and a shielding electrode disposed between the touch wiring and the feeder.

公开(公告)号：US11170090B2

公开(公告)日：2021-11-09

申请号：US16997871

申请日：2020-08-19

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 ,  G06K9/00

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：US20210132768A1

公开(公告)日：2021-05-06

申请号：US17149259

申请日：2021-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： IL NAM KIM ,  Byeong Hee Won ,  Kyung Tea Park ,  Won Sang Park

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch sensor includes: a substrate that includes active and non-active regions; driving cells disposed on the active region that extend in a first direction; sensing cells disposed on the active region that extend in a second direction that intersects the first direction; a first connection pattern that connects adjacent driving cells; a second connection pattern that connects adjacent sensing cells; and a touch driver disposed on the non-active region that includes thin film transistors that transmit a driving signal to each of the driving cells. The thin film transistor includes: a semiconductor layer; a gate electrode disposed on the semiconductor layer with a first insulating layer interposed therebetween; and source and drain electrodes connected to the semiconductor layer and spaced apart from each other. The first connection pattern is disposed in the same layer as at least one of the source or drain electrodes or the gate electrode.

公开(公告)号：US10573761B2

公开(公告)日：2020-02-25

申请号：US15852906

申请日：2017-12-22

Applicant: Samsung Display Co., Ltd. ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jae Ik Lim ,  Won Sang Park ,  Hye Yong Chu ,  Jang-Ung Park ,  Sung-Ho Shin ,  Sangyoon Jin ,  Seiho Choi

IPC: H01L29/84 ,  H01L29/51 ,  G02F1/1333 ,  H01L29/49 ,  G06F3/041 ,  H01L27/32 ,  H01L29/775 ,  H01L29/66 ,  H01L29/778 ,  H01L29/16 ,  H01L27/12

Abstract: A pressure sensor includes a semiconductor layer, a gate electrode, a gate insulating layer, and a source electrode, and may be incorporated as a switching transistor in a display device. The gate electrode is configured to overlap the semiconductor layer. The gate insulating layer is disposed between the semiconductor layer and the gate electrode and includes a first insulating layer disposed on a surface of the semiconductor layer that faces the gate electrode and a second insulating layer comprising an elastic material disposed at least between the first insulating layer and the gate electrode. The source electrode and a drain electrode respectively coupled to spaced portions of the semiconductor layer.

公开(公告)号：US10572085B2

公开(公告)日：2020-02-25

申请号：US16004447

申请日：2018-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Keum Dong Jung ,  Ki Seo Kim ,  Il Nam Kim ,  Kyung Tea Park ,  Yun Ho Kim ,  Jae Kyoung Kim ,  Won Sang Park ,  Jong In Baek

IPC: G06F3/044 ,  G06K9/00 ,  G06F3/041

Abstract: A fingerprint sensor including first, second, and third lines, and a unit sensor coupled to the first, the second, and the third lines. The unit sensor includes a pixel electrode coupled between the first line and the second line, a first capacitance element coupled between the first line and the pixel electrode, a second capacitance element coupled between the second line and the pixel electrode, a switching element coupled between the pixel electrode and one of the first line, the second line, a first line of an adjacent unit sensor, and a second line of the adjacent unit sensor, and including a control electrode coupled to the third line, and a third capacitance element coupled between the third line and the pixel electrode, in which at least one of the first and the second capacitance elements includes a variable capacitance element.

公开(公告)号：US10565421B2

公开(公告)日：2020-02-18

申请号：US15805593

申请日：2017-11-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Kyoung Kim ,  Ki Seo Kim ,  Won Sang Park ,  Jong In Baek

IPC: G06K9/28 ,  G06K9/00 ,  B32B15/08 ,  B32B27/20 ,  G06F3/044 ,  G06F3/041

Abstract: A fingerprint sensor includes a sensor substrate. A plurality of sensor pixels is configured to sense a change in capacitance corresponding to a touch of a user. Each of the plurality of sensor pixels includes a sensor electrode. A sensor protective layer is configured to protect the sensor substrate and the plurality of sensor pixels. The sensor protective layer includes a first region disposed over the sensor electrode, and a second region. The first region has a first permittivity. The second region has a second permittivity lower than the first permittivity.