公开(公告)号：US12165553B2

公开(公告)日：2024-12-10

申请号：US18095097

申请日：2023-01-10

Applicant: Samsung Display Co., LTD.

Inventor： Hai-Jung In ,  Chulkyu Kang ,  Kimyeong Eom ,  Soon-Gi Kwon ,  Min Jeong Kim

IPC: G09G3/20

Abstract: A gate driver includes: a pull-up circuit configured to pull up a gate output signal to a high voltage in response to a signal at a first node of the pull-up circuit; a first pull-down circuit configured to pull down the gate output signal to a low voltage in response to a signal at a second node of the first pull-down circuit; a second pull-down circuit configured to pull down the gate output signal to the low voltage in response to a signal at a third node of the second pull-down circuit; a first selection circuit configured to activate the first pull-down circuit and deactivate the second pull-down circuit based on a first selection signal; and a second selection circuit configured to activate the second pull-down circuit and deactivate the first pull-down circuit based on a second selection signal.

公开(公告)号：US12094394B2

公开(公告)日：2024-09-17

申请号：US18084591

申请日：2022-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/2096 ,  G09G2310/0275 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08 ,  G11C19/28

Abstract: A gate driver includes a carry signal generating circuit and a shift register circuit. The carry signal generating circuit receives a vertical start signal and outputs first and second carry signals. The shift register circuit receives the first and second carry signals and outputs a first stage first carry signal, a first stage second carry signal and a first stage gate output signal. The carry signal generating circuit includes a first carry generator generating the first carry signal and a second carry generator generating the second carry signal. The shift register circuit includes a first stage first carry generator generating the first stage first carry signal, a first stage second carry generator generating the first stage second carry signal and a first stage output buffer outputting the first stage gate output signal.

公开(公告)号：US11587513B2

公开(公告)日：2023-02-21

申请号：US17321825

申请日：2021-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Kimyeong Eom ,  Ji-Hyun Ka

IPC: G09G3/3291

Abstract: An emission driver includes a plurality of stages. A stage of the plurality of stages receives a start signal, a first clock signal, a second clock signal, a protection signal, a first gate power voltage and a second gate power voltage and outputs an emission signal. The stage of the plurality of stages includes a pull-up switching element connected between a first gate power voltage terminal which receives the first gate power voltage and an emission signal output terminal which outputs the emission signal, a pull-down switching element connected between a second gate power voltage terminal which receives the second gate power voltage and the emission signal output terminal and a protection switching element which applies the first gate power voltage to a control electrode of the pull-down switching element in response to the protection signal.

公开(公告)号：US11552135B2

公开(公告)日：2023-01-10

申请号：US16820455

申请日：2020-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In

IPC: G09G3/3225 ,  H01L27/32

Abstract: A display device includes a display panel, an input sensing unit, input sensing pads, a shift register, and a multiplexer circuit. The display panel includes a display area and a non-display area. The input sensing unit is disposed on the display panel. The input sensing unit includes sensing electrodes and signal lines respectively connected to the sensing electrodes. The input sensing pads are disposed in the non-display area. The input sensing pads include control signal pads and a sensing pad. The shift register array is configured to receive a start signal and at least one clock signal through some of the control signal pads, and to sequentially activate first selection signals. The multiplexer circuit is configured to selectively connect the signal lines to the sensing pad in response to the first selection signals.

公开(公告)号：US11443698B2

公开(公告)日：2022-09-13

申请号：US17172514

申请日：2021-02-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In

IPC: G06F3/038 ,  G09G5/00 ,  G09G5/10 ,  G09G3/3275 ,  G09G3/36

Abstract: A display device includes a display panel, a data driver which provides data voltages to the display panel, and a controller which provides output image data to the data driver. The controller includes a data line memory which stores input image data for each pixel row of the display panel, an address line memory which stores addresses for the input image data, and a data serialize block which generates the output image data provided to the data driver by rearranging the input image data stored in the data line memory based on the addresses stored in the address line memory.

公开(公告)号：US11302262B2

公开(公告)日：2022-04-12

申请号：US17107677

申请日：2020-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Won Kyu Kwak ,  Jae-Sic Lee

IPC: G09G3/3275 ,  G09G3/3266

Abstract: An organic light-emitting display device includes: a data driver configured to divide one frame into an odd-numbered sub-frame and an even-numbered sub-frame, to divide frame data for implementing the one frame into odd-numbered sub-frame data and even-numbered sub-frame data, to provide the odd-numbered sub-frame data to the data lines in the odd-numbered sub-frame, and to provide the even-numbered sub-frame data to the data lines in the even-numbered sub-frame; an odd-numbered scan driver electrically connected to odd-numbered scan lines to provide an odd-numbered scan signal to the odd-numbered scan lines in the odd-numbered sub-frame; an even-numbered scan driver electrically connected to even-numbered scan lines to provide an even-numbered scan signal to the even-numbered scan lines in the even-numbered sub-frame; an emission driver to provide an emission signal to emission line groups formed by grouping the emission lines by two adjacent emission lines in the odd-numbered sub-frame and the even-numbered sub-frame.

公开(公告)号：US10198998B2

公开(公告)日：2019-02-05

申请号：US15157067

申请日：2016-05-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung In ,  Bo-Yong Chung

IPC: G09G3/3266 ,  G09G3/3225

Abstract: There is provided a gate driver including a plurality of gate sub-drivers electrically connected to a plurality of gate lines, wherein an (n)th gate sub-driver, of the gate sub-drivers includes a shift register configured to receive an (n−1)th carry signal from an (n−1)th gate sub-driver of the gate sub-drivers adjacent to the (n)th gate sub-driver, to synchronize the (n−1)th carry signal with a first clock signal, and to output an (n)th carry signal based on the synchronized (n−1)th carry signal, and a mask configured to output a gate signal based on the synchronized (n−1)th carry signal and a mask signal, wherein n is an integer greater than or equal to 2.

公开(公告)号：US09805820B2

公开(公告)日：2017-10-31

申请号：US14670708

申请日：2015-03-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung In ,  Hae-Yeon Lee

IPC: G11C19/28 ,  G09G3/20

CPC classification number: G11C19/28 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08

Abstract: A scanline driver includes a shift register circuit and an output buffer. The shift register circuit provides a register output signal and a plurality of signals based on a scan input signal and a plurality of clock signals. The shift register circuit is arranged at at least one horizontal side of a pixel circuit region and includes a plurality of unit pixel circuits connected to a scanline. The output buffer provides a scanline enable signal to the scanline based on the register output signal and the plurality of signals. The output buffer is arranged at at least one vertical side of the pixel circuit region in a pixel array.

公开(公告)号：US09626905B2

公开(公告)日：2017-04-18

申请号：US14535059

申请日：2014-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Yong-Sung Park

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2022 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/063 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A pixel circuit and an electroluminescent display including the same are disclosed. In one aspect, the pixel circuit includes a scan transistor connected between a data line and a first node and having a gate electrode configured to receive a scan signal, a driving transistor connected between a first power supply voltage and a third node and having a gate electrode connected to a second node, an emission control transistor connected between the third node and a fourth node and having a gate electrode configured to receive an emission control signal, a light-emitting diode connected between the fourth node and a second power supply voltage less than the first power supply voltage, and a compensation circuit initializes the second node to an initial voltage during a first compensation period and electrically connects the second node to the third node during a second compensation period following the first compensation period.

公开(公告)号：US09576535B2

公开(公告)日：2017-02-21

申请号：US14148667

申请日：2014-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Sung Park ,  Tak-Young Lee ,  Hai-Jung In ,  Bo-Yong Chung ,  Min-Hyuk Choi ,  Yong-Jae Kim

IPC: G06F3/038 ,  G09G3/32

CPC classification number: G09G3/3241 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0245 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2360/148

Abstract: A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied.

Abstract translation: 像素包括有机发光二极管，第一驱动器和第二驱动器。 第二驱动器控制从先前数据信号对应于从第一电源向有机发光二极管提供的电流量。 第一驱动器存储从数据线提供的当前数据信号，并将先前的数据信号提供给第二驱动器。 在像素中，第二驱动器包括耦合在初始化电源和耦合到第一晶体管的栅电极的第一节点之间的第六晶体管，第六晶体管被配置为当提供第一控制信号时导通; 以及耦合在所述第一电源和共同耦合到所述第一和第二驱动器的第二节点之间的第七晶体管，所述第七晶体管被配置为当所述第一控制信号被提供时导通。