公开(公告)号：US20250120269A1

公开(公告)日：2025-04-10

申请号：US18759547

申请日：2024-06-28

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/131 ,  H10K59/65

Abstract: A display device includes: a display panel including: a display area including a sub-pixel; and a sensing area including an optical sensor to provide a sensing signal corresponding to an amount of received light to a readout line; a readout circuit to receive the sensing signal through the readout line; and a connection portion electrically connecting the readout line to the readout circuit. The display area includes the sensing area including the sub-pixel and the optical sensor, and a non-sensing area including the sub-pixel. A connection line connecting the readout line and the connection portion to each other is located in the non-sensing area.

公开(公告)号：US20250104463A1

公开(公告)日：2025-03-27

申请号：US18745083

申请日：2024-06-17

Applicant: Samsung Display Co., LTD.

Inventor： Hee Rim SONG ,  Cheol Gon LEE ,  Mu Kyung JEON

IPC: G06V40/13

Abstract: A fingerprint sensor includes: a gate line on a substrate and configured to supply a gate signal; a reset voltage line configured to supply a reset voltage; an initialization voltage line configured to supply an initialization voltage; a read-out line on the gate line and configured to supply a sensing signal; a light receiving element on the read-out line; a first sensor transistor configured to supply a sensing current based on a voltage of a sensor node, which is a first electrode of the light receiving element; a second sensor transistor comprising a second-first sensor transistor and a second-second sensor transistor connected in series between the reset voltage line and a gate electrode of the first sensor transistor; and a third sensor transistor comprising a third-first sensor transistor and a third-second sensor transistor connected in series between the read-out line and a first electrode of the first sensor transistor.

公开(公告)号：US20250085819A1

公开(公告)日：2025-03-13

申请号：US18956967

申请日：2024-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Gyun KIM ,  Hee Rim SONG ,  Dong Hoon LEE ,  Yu Jin LEE

IPC: G06F3/044 ,  G06F3/041

Abstract: A display device includes: a base layer; a circuit layer provided on the base layer, the circuit layer including pixel circuits and sensor circuits; a pixel element layer provided on the circuit layer, the pixel element layer including light emitting elements respectively connected to the pixel circuits and light receiving elements respectively connected to the sensor circuits; an encapsulation layer covering the pixel element layer; and a touch sensing layer on the encapsulation layer, the touch sensing layer including a conductive pattern forming touch electrodes for sensing a touch. The light emitting elements include light emitting layers, and the light receiving elements include light receiving layers. The conductive pattern includes main patterns respectively surrounding the light receiving layers in a closed form.

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：US20240135743A1

公开(公告)日：2024-04-25

申请号：US18340187

申请日：2023-06-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Cheol Gon LEE ,  Hee Rim SONG

IPC: G06V40/13 ,  G09G3/3233

CPC classification number: G06V40/1318 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2310/08 ,  G09G2354/00

Abstract: A display device includes a plurality of pixels configured to display light, a plurality of first optical sensors configured to sense the light, a plurality of second optical sensors configured to sense the light, a plurality of first scan lines respectively connected to the plurality of pixels and the plurality of first optical sensors, a plurality of second scan lines respectively connected to the plurality of second optical sensors, a first scan driver configured to output a first scan signal to each of the plurality of first scan lines, and a second scan driver configured to output a second scan signal to each of the plurality of second scan lines.

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：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：US20220123093A1

公开(公告)日：2022-04-21

申请号：US17422731

申请日：2019-07-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Ho KIM ,  Ju Chan PARK ,  Sun Hee LEE ,  Hee Rim SONG ,  Seung Hwan CHO ,  Jong Hyun CHOI

IPC: H01L27/32

Abstract: A display device includes a substrate including a display region and a non-display region; a plurality of pixels disposed in the display region of the substrate, and each including at least one transistor and a light emitting element connected to the transistor; first to fourth insulating layers successively disposed on the substrate; a scan line disposed on each of the pixels to apply a scan signal to a corresponding pixel, and disposed on the first insulating layer; a first conductive layer extending in a direction parallel to an extending direction of the scan line on the third insulating layer, and disposed in common on the pixels; an opening configured to expose a part of the substrate by removing a part of the first to third insulating layers between one pixel of the pixels and a pixel adjacent thereto; and an insulating pattern disposed in the opening.