公开(公告)号：US20220157076A1

公开(公告)日：2022-05-19

申请号：US17532887

申请日：2021-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa LEE ,  Ki June LEE ,  Mu Kyung JEON

IPC: G06V40/13

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US20220100303A1

公开(公告)日：2022-03-31

申请号：US17425366

申请日：2019-11-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Hwa LEE ,  Dong Hoon LEE ,  Mu Kyung JEON

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32

Abstract: A touch sensing unit includes first touch electrodes and second touch electrodes disposed on in a touch sensor area which includes a round portion having a curvature. A driving line is connected to a first touch electrode among the first touch electrodes are disposed in the round portion of the touch sensor area. A sensing line is connected to a second touch electrode among the second touch electrodes disposed in the round portion of the touch sensor area. The driving line and the sensing line intersect each other.

公开(公告)号：US20200090559A1

公开(公告)日：2020-03-19

申请号：US16512284

申请日：2019-07-15

Applicant: Samsung Display Co., Ltd.

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

IPC: G09F9/30 ,  G02F1/1333 ,  H01L51/00 ,  H01L27/32

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：US20190156093A1

公开(公告)日：2019-05-23

申请号：US16162050

申请日：2018-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Sun KIM ,  Mu Kyung JEON

IPC: G06K9/00 ,  G06F3/044 ,  G06F3/041

Abstract: A fingerprint sensor includes a sensor pixel arranged in a sensing area, including a pixel electrode coupled to a first node; a first transistor coupled between the first node and a first or second power line, the first transistor including a first gate electrode coupled to a first scan line and a second gate electrode opposite to the first gate electrode; a first capacitor coupled between the first node and a second scan line; a second transistor coupled between a readout line and the first power line, the second transistor including a first gate electrode coupled to the first node and a second gate electrode opposite to the first gate electrode; and a third transistor coupled between the second transistor and the first power line, the third transistor including a first gate electrode coupled to the second scan line and a second gate electrode opposite to the first gate electrode.

公开(公告)号：US20180130857A1

公开(公告)日：2018-05-10

申请号：US15804077

申请日：2017-11-06

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/52

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：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：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.