公开(公告)号：US11222604B2

公开(公告)日：2022-01-11

申请号：US16827397

申请日：2020-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon Lee ,  Hyun Bo Byun ,  Kyoung Ho Lim

IPC: G09G3/3291

Abstract: A display device includes a display panel including a first data line, a second data line, and a pixel, the pixel including a first sub-pixel coupled to the first data line, and a second sub-pixel coupled to the second data line, a light stress compensator configured to generate a first data voltage control signal for the first sub-pixel based on a second data value of input image data for the second sub-pixel, in response to a first data value of input image data for the first sub-pixel being equal to or less than a first reference value, and a data driver configured to generate a first data signal based on the first data value for the first sub-pixel, to provide a first data voltage to the first data line, and to vary the first data voltage based on the first data voltage control signal.

公开(公告)号：US20210335270A1

公开(公告)日：2021-10-28

申请号：US17367399

申请日：2021-07-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon Lee ,  Kuk Hwan Ahn ,  Seok Ha Hong

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

Abstract: An nth (where n is a natural number) stage is included in a scan driver of a display. The nth stage includes: a first input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage; a second input circuit for controlling the voltage of the first node in response to a carry signal of a next stage; a first control circuit for controlling a voltage of an output terminal in response to the carry signal of the next stage; an output circuit for outputting an nth scan signal and an nth carry signal in response to the voltage of the first node and a voltage of a second node; and a leakage control circuit for supplying a control voltage to the first input circuit and the second input circuit in response to one of the nth scan signal and the nth carry signal.

公开(公告)号：US10937383B2

公开(公告)日：2021-03-02

申请号：US16570388

申请日：2019-09-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yeon-Sun Na ,  Bo-Ram Kang ,  Jeong Hun Go ,  Jae Hoon Lee

IPC: G06F1/32 ,  G09G3/36 ,  H01L35/30 ,  G09G3/20 ,  G06F1/3234

Abstract: A display device and method of operation that provides self-generated power. The device includes: a display portion including a plurality of pixels; a data driver applying a data signal to data lines connected to the plurality of pixels; a signal controller transmitting an image data signal for generation of the data signal to the data driver; a power supply generating a driving voltage for operation of the signal controller and the data driver; a thermoelectric generation portion generating electrical energy by using heat generated by at least one of the signal controller, the power supply, and the data driver; and a converter generating an auxiliary driving voltage that is the same as the driving voltage by using the electrical energy.

公开(公告)号：US20200005724A1

公开(公告)日：2020-01-02

申请号：US16570388

申请日：2019-09-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YEON-SUN NA ,  Bo-Ram Kang ,  Jeong Hun Go ,  Jae Hoon Lee

IPC: G09G3/36 ,  G09G3/20 ,  H01L35/30

Abstract: A display device and method of operation that provides self-generated power. The device includes: a display portion including a plurality of pixels; a data driver applying a data signal to data lines connected to the plurality of pixels; a signal controller transmitting an image data signal for generation of the data signal to the data driver; a power supply generating a driving voltage for operation of the signal controller and the data driver; a thermoelectric generation portion generating electrical energy by using heat generated by at least one of the signal controller, the power supply, and the data driver; and a converter generating an auxiliary driving voltage that is the same as the driving voltage by using the electrical energy.

公开(公告)号：US10319294B2

公开(公告)日：2019-06-11

申请号：US15073378

申请日：2016-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon Lee ,  Young In Hwang

IPC: G09G3/32 ,  G09G3/3233 ,  H01L27/12

Abstract: An organic light emitting diode (OLED) display of the present inventive concept includes: pixels connected to scan lines, data lines, and control lines; a data driver for supplying a data signal to the pixels via the data lines; a scan driver for supplying a scan signal to the pixels via the scan lines; and a control driver for supplying a first control signal to the pixels via the control lines. The control driver feeds back the first control signal supplied to the pixels so as to compensate a ripple voltage included in the first control signal, and generates a compensated first control signal by using the fed-back first control signal.