公开(公告)号：US20240423038A1

公开(公告)日：2024-12-19

申请号：US18439660

申请日：2024-02-12

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Hoe LEE ,  Hee Rim SONG ,  So Il YOON ,  Cheol Gon LEE ,  Mu Kyung JEON

IPC: H10K59/131

Abstract: A display device includes a substrate, a circuit layer, and an element layer. The substrate includes a display area, and a non-display area. The display area includes emission areas, a non-emission area, and light sensing areas in parts of the non-emission area. The element layer includes light emitting elements in the emission areas, and light sensing elements in the light sensing areas. The circuit layer includes light emitting pixel drivers, light sensing pixel drivers, data lines, read-out lines extending parallel to the data lines, first dummy lines extending in a first direction, and second dummy lines extending in a second direction and respectively paired with the data lines. The first dummy lines include a first read-out bypass line electrically connected to a first read-out line. The second dummy lines include a first read-out connection line electrically connected to the first read-out bypass line.

公开(公告)号：US20240249650A1

公开(公告)日：2024-07-25

申请号：US18603135

申请日：2024-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Rim SONG ,  Gyung Soon PARK ,  Mu Kyung JEON

IPC: G09F9/30 ,  G02F1/1333 ,  H10K59/121 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

CPC classification number: G09F9/301 ,  G02F1/133305 ,  H10K59/121 ,  H10K59/131 ,  H10K77/111 ,  G02F2202/02 ,  G09G2300/0426 ,  H10K2102/311

Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.

公开(公告)号：US20230386412A1

公开(公告)日：2023-11-30

申请号：US18232361

申请日：2023-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Yu Jin LEE ,  Mu Kyung JEON ,  Mee Hye JUNG ,  Hee Jean PARK

IPC: G09G3/3266 ,  H10K59/131 ,  H10K59/124 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  H10K59/131 ,  H10K59/124 ,  G09G2300/0804 ,  G09G2320/0233 ,  G09G3/3233 ,  G09G2300/0809 ,  G09G2310/0202 ,  G09G2300/0426

Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.

公开(公告)号：US20230343289A1

公开(公告)日：2023-10-26

申请号：US18108823

申请日：2023-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Hee Rim SONG ,  Hee Jean PARK ,  Yu Jin LEE ,  Cheol Gon LEE ,  Mu Kyung JEON

IPC: H10K59/131 ,  G06V40/13 ,  H10K39/34 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G06V40/1318 ,  H10K39/34 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2360/14

Abstract: A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.

公开(公告)号：US20230343277A1

公开(公告)日：2023-10-26

申请号：US18217960

申请日：2023-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Gon LEE ,  Hee Jean PARK ,  Hee Rim SONG ,  Yu Jin LEE ,  Mu Kyung JEON

IPC: G06V40/13 ,  G09G3/32

CPC classification number: G09G3/32 ,  G06V40/1318 ,  G09G2300/0413 ,  G09G2300/0809 ,  G09G2330/028

Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.

公开(公告)号：US20230140604A1

公开(公告)日：2023-05-04

申请号：US17860676

申请日：2022-07-08

Applicant: Samsung Display. Co., Ltd

Inventor： Min Jae JEONG ,  Jang Mi KANG ,  Hyeong Seok KIM ,  Jun Hyun PARK ,  Mu Kyung JEON

IPC: G09G3/3258 ,  G09G3/3266

Abstract: A pixel includes a light emitting element, a first transistor connected between first and second nodes and that generates a driving current flowing from a first power line to a second power line through the light emitting element, a second transistor connected between a data line and the first node and turned on in response to a fourth scan signal, a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor and turned on in response to a second scan signal, a fourth transistor connected between the third node and a third power line providing a third power voltage and turned on in response to a first scan signal, and a fifth transistor connected between the first and fourth nodes and turned on in response to a fifth scan signal.

公开(公告)号：US20230117741A1

公开(公告)日：2023-04-20

申请号：US18084939

申请日：2022-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Rim SONG ,  Gyung Soon PARK ,  Mu Kyung JEON

IPC: G09F9/30 ,  G02F1/1333 ,  H10K77/10 ,  H10K59/121 ,  H10K59/131

Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.

公开(公告)号：US20230006020A1

公开(公告)日：2023-01-05

申请号：US17929535

申请日：2022-09-02

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

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：US20200161388A1

公开(公告)日：2020-05-21

申请号：US16750151

申请日：2020-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  II Gon KIM

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

Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.

公开(公告)号：US20190385522A1

公开(公告)日：2019-12-19

申请号：US16409471

申请日：2019-05-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim SONG ,  Mu Kyung JEON ,  Mee Hye JUNG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32

Abstract: A display device includes a plurality of pixels arranged in a first direction; a first data line extending along a first edge of the pixel row; a second data line extending along a second edge of the pixel row; a first pixel connected to the first data line; and a second pixel adjacent to the first pixel and connected to the second data line. Each of the first and second pixels includes a light emitting diode, a first transistor to transmit a driving current to the light emitting diode, a second transistor to transmit a data signal to the first transistor, a third transistor to transmit the data signal having a compensated threshold voltage to the first transistor, and a fourth transistor to transmit an initialization voltage signal to the first transistor. The first and second transistors are PMOS transistors. The third and fourth transistors are NMOS transistors.