公开(公告)号：US20250057005A1

公开(公告)日：2025-02-13

申请号：US18928351

申请日：2024-10-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Suk KIM ,  Gee Bum KIM ,  Tae Hoon YANG ,  Byeong Wook YOO ,  Dae Young LEE ,  Keum Dong JUNG

IPC: H10K59/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/84 ,  H10K50/86 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38 ,  H10K59/40

Abstract: A display device including: a base layer; a backplane structure provided on the base layer, the backplane structure including pixel circuits and a sensor circuit; a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and a light receiving element connected to the sensor circuit; an encapsulation layer covering the pixel layer; a black matrix provided on the encapsulation layer, wherein the black matrix includes openings overlapping the light emitting elements and the light receiving element; and a color filter provided on the encapsulation layer and covering the black matrix, wherein the light emitting elements include light emitting layers, the light receiving element includes a light receiving layer, and at least one of the openings of the black matrix overlaps one of the light emitting layers and the light receiving layer.

公开(公告)号：US20250021195A1

公开(公告)日：2025-01-16

申请号：US18592254

申请日：2024-02-29

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hoon KIM ,  Keum Dong JUNG ,  Jang Hui KIM

IPC: G06F3/044 ,  G09G3/20

Abstract: A display device, includes: a display panel including pixels; a display driver configured to operate in a unit of a frame period including an active period and a blank period and to display an image on the display panel in the active period of the frame period, based on image data; a touch array on the display panel and including touch electrodes; a touch driver configured to transmit, in an uplink period, uplink signals including different information to an external device in proximity to the touch array through the touch electrodes, and to receive, from the external device, a sensing signal generated by the external device using at least some of the uplink signals; and a touch controller configured to determine the uplink period based on the image data.

公开(公告)号：US20240377909A1

公开(公告)日：2024-11-14

申请号：US18419386

申请日：2024-01-22

Applicant: Samsung Display Co., LTD.

Inventor： Keum Dong JUNG ,  Jang Hui KIM ,  Ji Hoon KIM ,  Bo Hwan LEE

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

Abstract: A display device includes a display panel including a plurality of pixels, a display driver configured to display an image on the display panel in a frame period unit, to display the image on the display panel in a display period of the frame period, and to not display the image in a blank period of the frame period, a touch panel including touch electrodes, and a touch driver configured to sense a touch adjacent to the touch panel via the touch electrodes, and to transmit an uplink signal to an external device through the touch electrodes in a first time period, the first time period being in the blank period.

公开(公告)号：US20230305657A1

公开(公告)日：2023-09-28

申请号：US18075845

申请日：2022-12-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keum Dong JUNG ,  Oh Jo Kwon ,  Ji Woong Kim ,  Hyung Gun Ma ,  Seong An Park ,  Sang Hyun Heo

IPC: G06F3/041 ,  G06F1/04

CPC classification number: G06F3/0418 ,  G06F1/04 ,  G06F3/0446

Abstract: A sensor device including: first sensors; second sensors configured to form capacitances with the first sensors; a sensor transmitter connected to the first sensors and configured to supply driving signals having a first frequency to the first sensors; and a sensor receiver connected to the second sensors and configured to receive sensing signals from the second sensors, wherein the sensor receiver includes: a multipath filter having a center frequency set to the first frequency; and a first chopper integrator connected to the multipath filter, and having a center frequency set to the first frequency.

公开(公告)号：US20230072385A1

公开(公告)日：2023-03-09

申请号：US17702268

申请日：2022-03-23

Applicant: Samsung Display Co., LTD.

Inventor： Ji Woong KIM ,  Hyung Gun MA ,  Kyung Tea PARK ,  Seong Joo LEE ,  Keum Dong JUNG ,  Sang Hyun HEO

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/32

Abstract: A sensor device includes first sensors; second sensors and the first sensors of mutual capacitance; a sensor transmitter electrically connected to the first sensors, the sensor transmitter supplying driving signals to the first sensors; a sensor receiver electrically connected to the second sensors, the sensor receiver receiving sensing signals from the second sensors, the sensor receiver demodulating the sensing signals by using demodulation clock signals; and a signal generator generating a basic clock signal, and generating the driving signals and the demodulation clock signals to be synchronized with the basic clock signal.

公开(公告)号：US20230031695A1

公开(公告)日：2023-02-02

申请号：US17671969

申请日：2022-02-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyung Gun MA ,  Ji Woong KIM ,  Jun Yong SONG ,  Seong Joo LEE ,  Keum Dong JUNG ,  Sang Hyun HEO

IPC: G09G3/3266 ,  H01L25/18

Abstract: A display device includes a display panel including pixels connected to scan lines and data lines, and connection line connected to the scan lines, and a scan driver which drives scan lines. The scan driver includes a scan signal output circuit which outputs a first output signal as a scan signal to a first output line and outputs a second output signal to a second output line, a signal distribution circuit which outputs the first output signal to a first or third connection line and outputs the second output signal to a second or fourth connection line in response to first and second distribution control signals, and a scan-off circuit which outputs gate-off level to at least one of the scan lines in response to first and second scan-off control signals.

公开(公告)号：US20210142029A1

公开(公告)日：2021-05-13

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 ,  Chul KIM ,  Jun Hee MOON ,  Deok Hwa WOO ,  Hee Chul HWANG

IPC: G06K9/00

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：US20210043693A1

公开(公告)日：2021-02-11

申请号：US16913666

申请日：2020-06-26

Applicant: Samsung Display Co., LTD.

Inventor： Yu Na KIM ,  Soo Jung LEE ,  Keum Dong JUNG

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

Abstract: A sensor unit including driving electrodes and sensing electrodes, driving lines connected to the driving electrodes, sensing lines connected to the sensing electrodes, a driving signal output unit configured to sequentially apply driving signals to every P driving lines in a first driving mode, and a detector configured to receive detection signals from every Q sensing lines in the first driving mode, in which P and Q are positive integers.

公开(公告)号：US20210043692A1

公开(公告)日：2021-02-11

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：US20190095669A1

公开(公告)日：2019-03-28

申请号：US15890581

申请日：2018-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Keum Dong JUNG ,  Ki Seo KIM ,  Il Nam KIM ,  Jae-Kyoung KIM ,  Kyung Tea PARK ,  Jong In BAEK

IPC: G06K9/00

Abstract: A fingerprint sensing device includes: a fingerprint sensor including scan lines and initialization lines extending in a first direction and arranged in a second direction, sensing lines extending in the second direction and arranged in the first direction, and sensing pixels connected to the scan lines, the initialization lines, and the sensing lines and disposed in a matrix configuration; a scan driver configured to apply an enable-level initialization signal to a-numbered sensing pixel rows while applying a disable-level initialization signal to b-numbered sensing pixel rows, and applying an enable-level scan signal to one sensing pixel row in the b-numbered sensing pixel rows; and a sensing driver configured to receive a sensing signal from the sensing pixel row to which the scan signal is applied through the sensing lines, wherein the a and b are positive numbers that are greater than 2.