公开(公告)号：US11868560B2

公开(公告)日：2024-01-09

申请号：US17809091

申请日：2022-06-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keum Dong Jung ,  Ji Woong Kim ,  Hyung Gun Ma ,  Kyung Tea Park ,  Moon Jae Jeong ,  Sang Hyun Heo

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04166 ,  G06F3/0446 ,  G06F3/0412 ,  G06F3/0448 ,  G06F2203/04112

Abstract: A sensor device of the present invention includes first sensors; second sensors forming capacitance with the first sensors; a multi-frequency generator generating a first frequency signal and a second frequency signal having different frequencies; a sensor transmitter supplying first driving signals based on the first frequency signal to first sensors of a first group among the first sensors, supplying second driving signals based on the second frequency signal to first sensors of a second group among the first sensors, and simultaneously supplying the first driving signals and the second driving signals; and a sensor receiver simultaneously receiving sensing signals from the second sensors.

公开(公告)号：US11839134B2

公开(公告)日：2023-12-05

申请号：US17532466

申请日：2021-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Suk Kim ,  Yu Na Kim ,  Soo Jung Lee ,  Keum Dong Jung ,  Go Eun Cha

IPC: H01L29/08 ,  H10K65/00 ,  G06V40/13 ,  H10K30/30 ,  H10K39/32 ,  H10K50/15 ,  H10K50/16 ,  H10K59/122

CPC classification number: H10K65/00 ,  G06V40/1318 ,  H10K30/353 ,  H10K39/32 ,  H10K50/15 ,  H10K50/16 ,  H10K59/122

Abstract: A display device is provided. The display device includes a first substrate, a first detection electrode on the first substrate, a first bank including an opening that exposes the first detection electrode, a photosensitive layer on the first detection electrode, a second detection electrode on the photosensitive layer, a first electrode on the second detection electrode, a second bank including an opening that exposes the first electrode, a light emitting layer on the first electrode, a second electrode on the light emitting layer, a first optical system between the second detection electrode and the first electrode, and a second optical system on the second electrode, wherein the first optical system and the second optical system overlap the photosensitive layer in a thickness direction of the display device.

公开(公告)号：US11758793B2

公开(公告)日：2023-09-12

申请号：US16992801

申请日：2020-08-13

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G06V40/13 ,  H10K59/65 ,  G06V40/12 ,  H10K59/12 ,  H01L27/146

CPC classification number: H10K59/65 ,  G06V40/1318 ,  G06V40/1388 ,  G06V40/1394 ,  H10K59/12 ,  H01L27/14623 ,  H01L27/14678

Abstract: Provided is a display device including a substrate including a fingerprint area. The fingerprint area includes a first area and a second area. A light-emitting element layer is disposed on the substrate. The light-emitting element layer includes light-emitting elements. A sensor layer is disposed on the substrate, the sensor layer including photosensors. The light-emitting elements include a first light-emitting element arranged in the first area and a second light-emitting element arranged in the second area. During a fingerprint sensing period, the first light-emitting element emits light and the second light-emitting element does not emit light.

公开(公告)号：US20220102435A1

公开(公告)日：2022-03-31

申请号：US17520706

申请日：2021-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yu Na Kim ,  Soo Jung Lee ,  Keum Dong Jung

IPC: H01L27/32 ,  G06F3/044 ,  A61B5/00 ,  G06F3/041 ,  H04M1/02

Abstract: A sensor unit including a plurality of driving electrodes, and a plurality of sensing electrodes, in which a first unit sensor is defined by R driving electrodes among the plurality of driving electrodes and S sensing electrodes among the plurality of sensing electrodes in a first driving mode, a second unit sensor is defined by P driving electrodes among the plurality of driving electrodes and Q sensing electrodes among the plurality of sensing electrodes in a second driving mode, P, Q, R and S are integers equal to or greater than 1, and R is smaller than P, and S is smaller than Q.

公开(公告)号：US11237683B2

公开(公告)日：2022-02-01

申请号：US16830015

申请日：2020-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Soo Jung Lee ,  Suk Kim ,  Ki Seo Kim ,  Yu Na Kim ,  Keum Dong Jung ,  Go Eun Cha

IPC: G06F3/044

Abstract: A display device includes: a display panel which includes a first area and a second area; and a sensor device which overlaps the first area in a thickness direction of the display panel. The display panel includes first sensor electrodes in the first area and second sensor electrodes in the second area, and a shape of a first sensor electrode of the first sensor electrodes is different from a shape of a second sensor electrode of the second sensor electrodes.

公开(公告)号：US11075252B2

公开(公告)日：2021-07-27

申请号：US16840212

申请日：2020-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Go Eun Cha ,  Keum Dong Jung ,  Suk Kim ,  Soo Jung Lee

IPC: H01L27/32 ,  H01L51/52 ,  G06K9/00

Abstract: A foldable display device includes: a first substrate, a first thin-film transistor layer on the first substrate, a light emitting element layer on the first thin-film transistor layer, and a fingerprint sensor layer to receive light reflected by an external object. The fingerprint sensor layer includes: a second substrate under the first substrate, a second thin-film transistor layer under the second substrate, and a light receiving element layer under the second thin-film transistor layer.

公开(公告)号：US20210073507A1

公开(公告)日：2021-03-11

申请号：US16992801

申请日：2020-08-13

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G06K9/00 ,  H01L27/32

Abstract: Provided is a display device including a substrate including a fingerprint area. The fingerprint area includes a first area and a second area. A light-emitting element layer is disposed on the substrate. The light-emitting element layer includes light-emitting elements. A sensor layer is disposed on the substrate, the sensor layer including photosensors. The light-emitting elements include a first light-emitting element arranged in the first area and a second light-emitting element arranged in the second area. During a fingerprint sensing period, the first light-emitting element emits light and the second light-emitting element does not emit light.

公开(公告)号：US20200065541A1

公开(公告)日：2020-02-27

申请号：US16545180

申请日：2019-08-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keum Dong Jung ,  Il 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.