公开(公告)号：US20190253048A1

公开(公告)日：2019-08-15

申请号：US16260346

申请日：2019-01-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ga-Na KIM ,  Po-Yun PARK ,  Hong-Kyu KIM ,  Myeongsu KIM ,  Dongwon PARK

IPC: H03K17/22 ,  G09G5/18

Abstract: A timing controller resetting circuit including: a resistor connected to an output node from which a reset signal is output and a first voltage source which supplies a first voltage; a capacitor connected to the output node and a second voltage source which supplies a second voltage that is lower than the first voltage; a reference voltage source configured to generate a reference voltage that is lower than the first voltage and higher than the second voltage; a comparator including a first input terminal which receives the first voltage, a second input terminal which receives the reference voltage, and an output terminal which outputs a comparison result signal generated by comparing the first voltage with the reference voltage; and a transistor including a first terminal which is connected to the output node, a second terminal which receives the second voltage, and a gate terminal which receives the comparison result signal.

公开(公告)号：US20190108812A1

公开(公告)日：2019-04-11

申请号：US16196608

申请日：2018-11-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hong-Kyu KIM ,  Po-Yun PARK ,  Gwang-Soo AHN ,  Jung-Hwan CHO

IPC: G09G3/36 ,  G09G3/00

Abstract: A display panel driving apparatus includes a data driving part, a data driving part and an off voltage controlling part. The data driving part is configured to output a data signal to a data line of a display panel. The gate driving part is configured to output a gate signal to a gate line of the display panel. The off voltage controlling part is configured to receive a first off voltage and a second off voltage applied to the gate driving part to generate the gate signal, measure a leakage current of the gate driving part, and control the first off voltage based on the leakage current. Thus, display quality of a display apparatus including the gate driving part may be improved.

公开(公告)号：US20170206850A1

公开(公告)日：2017-07-20

申请号：US15214966

申请日：2016-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ga-Na KIM ,  Dong-Won PARK ,  Po-Yun PARK ,  Jimyoung SEO ,  Whee-Won LEE ,  Bonghyun YOU ,  Jung Hwan CHO

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3655 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2320/0257 ,  G09G2330/021 ,  G09G2340/0435

Abstract: A method of driving a display apparatus includes determining a duration of a blank interval between a first frame and a second frame, wherein the second frame is subsequent to the first frame, and modulating a common voltage during the blank interval when the duration is longer than a first reference time, wherein an average of the common voltage is fixed during the blank interval.