公开(公告)号：US11653540B2

公开(公告)日：2023-05-16

申请号：US17397884

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/131 ,  G06V40/13

CPC classification number: H10K59/131 ,  G06V40/1318 ,  H10K59/126 ,  H10K59/60

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：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：US11437459B2

公开(公告)日：2022-09-06

申请号：US17003365

申请日：2020-08-26

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 ,  G06F3/044

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：US11238256B2

公开(公告)日：2022-02-01

申请号：US16887595

申请日：2020-05-29

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: G09G3/20 ,  G06K9/00 ,  G02F1/133

Abstract: A display deice 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.

公开(公告)号：US11200398B2

公开(公告)日：2021-12-14

申请号：US16999314

申请日：2020-08-21

Applicant: Samsung Display Co., Ltd.

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

IPC: G02F1/136 ,  G06K9/00 ,  G09G3/32

Abstract: A display device including a display panel having a display area including a plurality of pixels and a non-display area surrounding at least one side of the display area, a light blocking layer at least partially overlapping the display area and including opening portions for selectively passing incident light, and a power supply device configured to supply power to the pixels and the light blocking layer, in which the power supply device is configured to apply control power having a different voltage value in correspondence with a type of an image to be displayed in the display area to the light blocking layer, during a display period.

公开(公告)号：US11024682B2

公开(公告)日：2021-06-01

申请号：US16688512

申请日：2019-11-19

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G5/00 ,  H01L27/32 ,  G06K9/00 ,  G09G3/3266 ,  G09G3/3283

Abstract: The fingerprint sensor may include: a light transmitting hole array layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.

公开(公告)号：US10977468B2

公开(公告)日：2021-04-13

申请号：US16434154

申请日：2019-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun Ryu ,  Katsumasa Yoshii ,  Yun Ho Kim ,  Il Nam Kim ,  Eun Jin Sung

IPC: G06K9/00 ,  G02B5/00 ,  G02B5/04

Abstract: An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.

公开(公告)号：US20200219948A1

公开(公告)日：2020-07-09

申请号：US16688512

申请日：2019-11-19

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32 ,  G06K9/00 ,  G09G3/3266 ,  G09G3/3283

Abstract: The fingerprint sensor may include: a light transmitting hole an-ay layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.