公开(公告)号：US20240153459A1

公开(公告)日：2024-05-09

申请号：US18500239

申请日：2023-11-02

Applicant: Samsung Display Co., LTD.

Inventor： Byung Ki CHUN ,  Ji Hyun KA ,  Min Seok BAE ,  Chang Bin IM ,  Chae Han HYUN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/043

Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.

公开(公告)号：US20230206831A1

公开(公告)日：2023-06-29

申请号：US18111303

申请日：2023-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun KA ,  Tae Hoon KWON ,  Ki Myeong EOM ,  Chung YI ,  Se Byung CHAE ,  Deok Jun CHOI ,  Moon Sang HWANG

IPC: G09G3/3225 ,  G09G3/3275

CPC classification number: G09G3/3225 ,  G09G3/3275 ,  G09G2320/0626

Abstract: A display device including: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.

公开(公告)号：US20220157226A1

公开(公告)日：2022-05-19

申请号：US17586711

申请日：2022-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan OH ,  Jin Tae JEONG ,  Ji Hyun KA ,  Won Kyu KWAK ,  Hyung Jun PARK ,  Chang Soo PYON ,  Ji Eun LEE ,  Hai Jung IN ,  Won Mi HWANG

IPC: G09G3/32

Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.

公开(公告)号：US20210366402A1

公开(公告)日：2021-11-25

申请号：US17246328

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung IN ,  Ji Hyun KA ,  Tae Hoon KWON ,  Ki Myeong EOM ,  Chae Han HYUN

IPC: G09G3/3266 ,  G09G3/3275

Abstract: A gate driver includes a stage configured to output a gate signal, the stage including an input part configured to control a voltage of a first node and a voltage of a second node based on signals supplied to a first input terminal and a second input terminal, an output part configured to supply a voltage of a first power source or a voltage of a second power source as the gate signal to an output terminal based on a voltage of a third node and a voltage of a fourth node, a first signal processing part configured to supply the voltage of the second power source to the fourth node based on the voltage of the first node, or to electrically connect the second node and the fourth node through a fifth node based on a signal supplied to a third input terminal, and a second signal processing part including a first transistor connected between the third node and a sixth node to control the voltage of the third node based on an operation of the first transistor.

公开(公告)号：US20210158764A1

公开(公告)日：2021-05-27

申请号：US17163616

申请日：2021-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Tae JEONG ,  Ji Hyun KA ,  Tae Hoon KWON ,  Min Ku LEE ,  Seung Ji CHA

IPC: G09G3/34 ,  G09G3/20 ,  G09G3/3266

Abstract: A display device includes first and second pixel areas spaced apart from each other so that corresponding scan lines are separate from each other, a first non-pixel area at a periphery of the first pixel area, a second non-pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with at least one pixel area interposed therebetween, first scan lines in the first pixel area, second scan lines in the second pixel area, a first scan driver in the first non-pixel area and connected to the first scan lines, a second scan driver in the second non-pixel area and connected to the second scan lines, first wires in the first non-pixel area and connected to the first scan driver, second wires in the second non-pixel area and connected to the second scan driver; and connecting wires connecting the first wires and second wires.

公开(公告)号：US20180247591A1

公开(公告)日：2018-08-30

申请号：US15887027

申请日：2018-02-02

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon KIM ,  Ji Hyun KA ,  Seung Kyu LEE

IPC: G09G3/3233 ,  H01L27/32

CPC classification number: G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0214 ,  G09G2320/0219 ,  G09G2320/0233 ,  G09G2330/028 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276 ,  H01L29/78672 ,  H01L29/7869

Abstract: The present disclosure relates to a pixel displaying an image. A pixel includes an organic light emitting diode, a first transistor controlling an amount of current flowing from a first driving power supply to a second driving power supply via the organic light emitting diode in response to a voltage of a first node; a storage capacitor connected between the first node and the first driving power supply; a second transistor connected between a data line and the first node and turned on when a scan signal is supplied to a first scan line, and an auxiliary transistor connected between the second transistor and the data line and turned on when a scan signal is supplied to a second scan line. The second transistor and the auxiliary transistor have an overlapping turn-on period, and the second transistor is turned off before the auxiliary transistor is turned off.

公开(公告)号：US20180233084A1

公开(公告)日：2018-08-16

申请号：US15885611

申请日：2018-01-31

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon KWON ,  Ji Hyun KA ,  Min Ku LEE ,  Seung Ji CHA ,  Hyun Uk OH ,  Jin Tae JEONG

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/20 ,  G09G3/2003 ,  G09G3/2018 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/0232 ,  G09G2310/08 ,  G09G2320/0626 ,  G09G2320/0686 ,  G09G2330/021 ,  G09G2354/00

Abstract: A display device including a first pixel area including first pixels, a second pixel area including second pixels, a third pixel area including third pixels, and a display driver configured to control image display operations of the first pixel area, the second pixel area, and the third pixel area according to a first mode or a second mode, wherein the first pixel area includes a first sub-pixel area, and a second sub-pixel area between the first sub-pixel area and the second pixel area, and wherein the first sub-pixel area is configured to display a black image in the first mode, and the second sub-pixel area is configured to display a dummy image.

公开(公告)号：US20180006099A1

公开(公告)日：2018-01-04

申请号：US15619662

申请日：2017-06-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hyun KA ,  Han Sung BAE ,  Won Kyu KWAK

IPC: H01L27/32 ,  H01L27/12

CPC classification number: H01L27/3262 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0248 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2310/08 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/3248 ,  H01L27/3276

Abstract: A pixel includes a pixel circuit and an organic light emitting diode. The pixel circuit has first, second, third, and fourth transistors. The first transistor controls an amount of current flowing from a first driving power supply coupled to a first node to a second driving power supply through the organic light emitting diode. The turns on when a scan signal is supplied to a first scan line. The third transistor turns on when a scan signal is supplied to a second scan line. The fourth transistor turns on when a scan signal is supplied to a third scan line. The first transistor is a p-type Low Temperature Poly-Silicon thin film transistor and the third transistor and the fourth transistor are n-type oxide semiconductor thin film transistors.

公开(公告)号：US20170352328A1

公开(公告)日：2017-12-07

申请号：US15587192

申请日：2017-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Tae JEONG ,  Tae Hoon KWON ,  Min Ku LEE ,  Ji Hyun KA ,  Seung Kyu LEE ,  Seung Ji CHA

IPC: G09G5/10 ,  G09G3/3266 ,  G09G3/3283

CPC classification number: G09G5/10 ,  G09G3/3266 ,  G09G3/3283 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2310/066 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/064

Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.

公开(公告)号：US20250046256A1

公开(公告)日：2025-02-06

申请号：US18925558

申请日：2024-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon KWON ,  Ji Hyun KA ,  Nack Hyeon KEUM ,  Jae Jin SONG ,  Kwang Sae LEE

IPC: G09G3/3266 ,  G09G3/22

Abstract: A gate driver including a plurality of stages, each of the plurality of stages including an eighth transistor connected between a third power input terminal and an output terminal, the eighth transistor including a gate electrode connected to a fourth node, a seventh transistor connected between a second power input terminal and the output terminal, the seventh transistor including a gate electrode connected to a third node, an eleventh transistor connected between the third power input terminal and the fourth node, the eleventh transistor including a gate electrode connected to a first node, a twelfth transistor connected between the first node and the third node, the twelfth transistor including a gate electrode connected to the second power input terminal, and a third capacitor connected between the third power input terminal and the fourth node.