公开(公告)号：US20230176630A1

公开(公告)日：2023-06-08

申请号：US17863641

申请日：2022-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Jae LEE ,  Sung Hwan KIM ,  Young Seok YOO

IPC: G06F1/16 ,  H01Q1/22 ,  G06F3/041

CPC classification number: G06F1/1698 ,  G06F1/1652 ,  G06F3/04164 ,  H01Q1/2266 ,  G06F2203/04102

Abstract: A display device is disclosed that includes a display panel, a sensor substrate, sensing electrodes, an antenna pattern, an antenna signal line, an antenna pad, and an antenna frame. The sensor substrate is disposed on an upper surface of the display panel and includes a touch sensing area, a first peripheral area adjacent to the touch sensing area, and a second peripheral area bent from the first peripheral area. The sensing electrodes and the antenna pattern are disposed on the touch sensing area of the sensor substrate. The antenna signal line is connected from the antenna pattern and extends to the first peripheral area and the second peripheral area. The antenna pad is disposed in the second peripheral area and connects to the antenna signal line. The antenna frame is attached to a lower surface of the display panel and defines a bending shape of the sensor substrate.

公开(公告)号：US20230116848A1

公开(公告)日：2023-04-13

申请号：US18075048

申请日：2022-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Chul Kyu KANG ,  Hyun-Chol BANG ,  Soo Hee OH ,  Dong Sun LEE

IPC: G09G3/3291 ,  G09G3/3266

Abstract: A display device includes: scan, control, and emission control signal lines, signals transmitted thereby being different from one another; data and driving voltage lines; a first transistor including a first gate electrode and first source and drain; a second transistor including a second gate electrode connected to a first scan line, a second source connected to a first data line, and a second drain connected to the first source; a light-emitting element; a control transistor including a control gate electrode connected to a first control line and between the driving voltage line and the first source or the light-emitting element and the first drain; and an emission control transistor in series between the light-emitting element and the control transistor, the control transistor and the first transistor, or the driving voltage line and the control transistor, and an emission control gate electrode connected to the emission control signal line.

公开(公告)号：US20220148498A1

公开(公告)日：2022-05-12

申请号：US17586463

申请日：2022-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM

IPC: G09G3/32

Abstract: A display device may include: a first pixel coupled to a first scan line, a first data line, and a first sensing line; a second pixel coupled to the first scan line, a second data line, and a second sensing line; a first sensing channel corresponding to the first pixel and including a first sampling capacitor; and a second sensing channel corresponding to the second pixel and including a second sampling capacitor. During a first period, the first sensing channel may store a first sampling signal in the first sampling capacitor while the first sensing line is coupled to the first sensing channel, and the second sensing channel may store a second sampling signal in the second sampling capacitor while the second sensing line is disconnected from the second sensing channel.

公开(公告)号：US20210056890A1

公开(公告)日：2021-02-25

申请号：US16903454

申请日：2020-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM

IPC: G09G3/32

Abstract: A display device may include: a first pixel coupled to a first scan line, a first data line, and a first sensing line; a second pixel coupled to the first scan line, a second data line, and a second sensing line; a first sensing channel corresponding to the first pixel and including a first sampling capacitor; and a second sensing channel corresponding to the second pixel and including a second sampling capacitor. During a first period, the first sensing channel may store a first sampling signal in the first sampling capacitor while the first sensing line is coupled to the first sensing channel, and the second sensing channel may store a second sampling signal in the second sampling capacitor while the second sensing line is disconnected from the second sensing channel.

公开(公告)号：US20200152123A1

公开(公告)日：2020-05-14

申请号：US16563530

申请日：2019-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Kyung Man KIM

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a display panel including a pixel coupled to a data line, a read-out line, a scan line, and a sensing line, a scan driver for generating scan and sensing signals to be supplied to the scan and sensing lines, a voltage controller for controlling a gate-on voltage of each of the scan and sensing signals to be supplied to the pixel during a mobility sensing period, a data driver for supplying a data signal to the data line, and a compensator for sensing current flowing from the pixel to the read-out line and compensate for the data signal, wherein the mobility sensing period includes a period during which each of the scan and sensing signals has a first voltage, a period during which the gate-on voltage of the scan and sensing signals changes, and a period during which the sensing signal has the first voltage.

公开(公告)号：US20200143747A1

公开(公告)日：2020-05-07

申请号：US16563636

申请日：2019-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Chul Kyu KANG ,  Soo Hee OH ,  Dong Sun LEE

IPC: G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit, includes: an organic light-emitting diode; a first transistor coupled between a second node and a third node, wherein a gate electrode of the first transistor is coupled to a first node; a second transistor coupled between a data line and the second node, wherein a gate electrode of the second transistor is coupled to a first scan line; a fourth transistor coupled between the first node and an initialization power source, wherein a gate electrode of the fourth transistor is coupled to a second scan line; a fifth transistor coupled between a first power source and the second node, wherein a gate electrode of the fifth transistor is coupled to a first emission line; and a sixth transistor and an eighth transistor coupled in series between the third node and the organic light-emitting diode.

公开(公告)号：US20190303641A1

公开(公告)日：2019-10-03

申请号：US16447336

申请日：2019-06-20

Applicant: Samsung Display Co., Ltd.

Inventor： Gwang Bum KO ,  Do Ik KIM ,  Seung Hwan CHUNG ,  Sung Hwan KIM

IPC: G06K9/00 ,  H01L27/32 ,  H01L31/153 ,  H01L27/15 ,  H01L31/0232 ,  G02B19/00 ,  F21V8/00 ,  G02B6/08

Abstract: A display device with a display panel including a display area and a plurality of pixels arranged in the display area, a photosensor layer including a sensing area overlapping the display area and a plurality of photosensors arranged in the sensing area, a light-guiding layer arranged between the display panel and the photosensor layer, the light-guiding layer includes a plurality of light-transmission holes corresponding to the plurality of photosensors, wherein the light-guiding layer includes a transparent tube bundle comprising a plurality of transparent tubes forming the light-transmission holes.

公开(公告)号：US20180012543A1

公开(公告)日：2018-01-11

申请号：US15644289

申请日：2017-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Wook LEE ,  Sung Hwan KIM ,  Jeong Hwan SHIN

IPC: G09G5/393

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G5/393 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0828 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/02

Abstract: An organic light emitting display device includes one or more pixels connected to scan lines, feedback lines, and data lines, and including driving transistors configured to control an amount of current supplied to organic light emitting diodes, a sensor configured to generate compensation data based on sensing data including deviation information of a driving transistor of the driving transistors and first reference data for a sensing period, a data driver configured to supply a first reference data signal to the data line based on second reference data for the sensing period, and a scan driver configured to supply a scan signal to the scan line, wherein the sensor is configured to generate the compensation data while changing a bit value of the second reference data two or more times during the sensing period.