公开(公告)号：US11481008B2

公开(公告)日：2022-10-25

申请号：US17206385

申请日：2021-03-19

Applicant: Samsung Display Co., LTD.

Inventor： Jihye Kong ,  Jeong-Soo Lee

IPC: G06F1/18 ,  G09G3/3275

Abstract: A display device includes a plurality of pixels and an upper signal line providing a data signal to the pixels. The upper signal line includes a first upper signal line including a first metal material, a second upper signal line including a second metal material which is different from the first metal material, and a third upper signal line including the first metal material. The first, second and third upper signal lines are arranged in order and respectively electrically connected to a plurality of connection lines including the second metal material. The connection lines are connected to a plurality of lower signal lines.

公开(公告)号：US09978311B2

公开(公告)日：2018-05-22

申请号：US14850601

申请日：2015-09-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngin Hwang ,  Jihye Kong ,  Yongsung Park ,  Inho Choi

IPC: G09G3/32 ,  G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2230/00 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/045

Abstract: A pixel circuit and a display apparatus. The pixel circuit includes a first transistor configured to output a driving current corresponding to a data voltage to an output node, an OLED connected to the output node and configured to emit light according to the driving current output from the first transistor, a storage capacitor coupled to the first transistor and configured to store the data voltage, a second transistor configured to receive a reference voltage from the first transistor during a first time section, configured to diode-connect the first transistor, and configured to compensate for a threshold voltage of the first transistor, and a third transistor configured to diode-connect the first transistor during a second time section, configured to receive the data voltage through the first transistor for which the threshold voltage of the first transistor is compensated, and configured to transfer the data voltage to the storage capacitor.

公开(公告)号：US11295669B2

公开(公告)日：2022-04-05

申请号：US17164657

申请日：2021-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Jihye Kong ,  Yongho Yang ,  Jeong-Soo Lee

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The pixel circuit performs a display-scan operation in a first case where a driving time of a panel driving frame is a minimum driving time and performs a display-scan operation and at least one self-scan operation in a second case where the driving time is different from the minimum driving time.

公开(公告)号：US09905163B2

公开(公告)日：2018-02-27

申请号：US14802940

申请日：2015-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngin Hwang ,  Jihye Kong ,  Yongsung Park ,  Youngjin Cho ,  Inho Choi

IPC: G09G3/30 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/045

Abstract: An organic light-emitting display apparatus includes: a pixel coupled to a scan line, a data line, a control line, and a power line, the pixel comprising an organic light-emitting diode configured to emit light in response to a data voltage; and a power supply unit configured to apply power source voltages of different levels during one frame period, wherein the pixel is configured to increase an anode voltage of the organic light-emitting diode in a scan period when the data voltage is inputted.

公开(公告)号：US12164347B2

公开(公告)日：2024-12-10

申请号：US18341855

申请日：2023-06-27

Applicant: Samsung Display Co., LTD.

Inventor： Jihye Kong ,  Jeong-Soo Lee

IPC: G06F1/18 ,  G09G3/3275

Abstract: A display device includes a plurality of pixels and an upper signal line providing a data signal to the pixels. The upper signal line includes a first upper signal line including a first metal material, a second upper signal line including a second metal material which is different from the first metal material, and a third upper signal line including the first metal material. The first, second and third upper signal lines are arranged in order and respectively electrically connected to a plurality of connection lines including the second metal material. The connection lines are connected to a plurality of lower signal lines.

公开(公告)号：US20210280130A1

公开(公告)日：2021-09-09

申请号：US17101366

申请日：2020-11-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seongmin Wang ,  Yongho Yang ,  Jihye Kong ,  Jeongsoo Lee

IPC: G09G3/3233 ,  G09G3/20

Abstract: A display device includes pixels, and each pixel is connected between a first electrode or a second electrode of a driving transistor and a bias line, includes a bias transistor configured to transfer a bias voltage applied from the bias line to the first electrode or the second electrode of the driving transistor during a bias period. Bias voltages applied to the pixels emitting light of different colors are different from each other.

公开(公告)号：US20160275869A1

公开(公告)日：2016-09-22

申请号：US14850601

申请日：2015-09-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngin Hwang ,  Jihye Kong ,  Yongsung Park ,  Inho Choi

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G2230/00 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/045

Abstract: A pixel circuit and a display apparatus. The pixel circuit includes a first transistor configured to output a driving current corresponding to a data voltage to an output node, an OLED connected to the output node and configured to emit light according to the driving current output from the first transistor, a storage capacitor coupled to the first transistor and configured to store the data voltage, a second transistor configured to receive a reference voltage from the first transistor during a first time section, configured to diode-connect the first transistor, and configured to compensate for a threshold voltage of the first transistor, and a third transistor configured to diode-connect the first transistor during a second time section, configured to receive the data voltage through the first transistor for which the threshold voltage of the first transistor is compensated, and configured to transfer the data voltage to the storage capacitor.

Abstract translation: 像素电路和显示装置。 像素电路包括：第一晶体管，被配置为将对应于数据电压的驱动电流输出到输出节点; OLED连接到输出节点，并被配置为根据从第一晶体管输出的驱动电流发光;存储电容器， 到第一晶体管并且被配置为存储数据电压，第二晶体管被配置为在第一时间段期间从第一晶体管接收参考电压，被配置为二极管连接第一晶体管，并且被配置为补偿第一晶体管的阈值电压 第一晶体管和第三晶体管，其被配置为在第二时间段期间对所述第一晶体管进行二极管连接，被配置为通过所述第一晶体管接收所述数据电压，所述第一晶体管补偿所述第一晶体管的阈值电压，并且被配置为传送所述数据电压 到存储电容器。

公开(公告)号：US11733748B2

公开(公告)日：2023-08-22

申请号：US17897669

申请日：2022-08-29

Applicant: Samsung Display Co., LTD.

Inventor： Jihye Kong ,  Jeong-Soo Lee

IPC: G06F1/18 ,  G09G3/3275

CPC classification number: G06F1/189 ,  G09G3/3275 ,  G09G2300/0426

Abstract: A display device includes a plurality of pixels and an upper signal line providing a data signal to the pixels. The upper signal line includes a first upper signal line including a first metal material, a second upper signal line including a second metal material which is different from the first metal material, and a third upper signal line including the first metal material. The first, second and third upper signal lines are arranged in order and respectively electrically connected to a plurality of connection lines including the second metal material. The connection lines are connected to a plurality of lower signal lines.

公开(公告)号：US11594179B2

公开(公告)日：2023-02-28

申请号：US17684188

申请日：2022-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Jihye Kong ,  Yongho Yang ,  Jeong-Soo Lee

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The circuit performs a display-scan operation where a driving time of a panel driving frame is a predetermined duration, and performs a display-scan operation and a self-scan operation where the driving time is longer than the predetermined duration.

公开(公告)号：US11580906B2

公开(公告)日：2023-02-14

申请号：US17101366

申请日：2020-11-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seongmin Wang ,  Yongho Yang ,  Jihye Kong ,  Jeongsoo Lee

IPC: G09G3/3233 ,  G09G3/20

Abstract: A display device includes pixels, and each pixel is connected between a first electrode or a second electrode of a driving transistor and a bias line, includes a bias transistor configured to transfer a bias voltage applied from the bias line to the first electrode or the second electrode of the driving transistor during a bias period. Bias voltages applied to the pixels emitting light of different colors are different from each other.