公开(公告)号：US20240054957A1

公开(公告)日：2024-02-15

申请号：US18382068

申请日：2023-10-20

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyuk PARK ,  Jin Young ROH ,  Woo Mi BAE ,  Hae Kwan SEO ,  Young Ha SOHN ,  Jin Wook YANG

IPC: G09G3/3241 ,  G09G3/20

CPC classification number: G09G3/3241 ,  G09G3/2074 ,  G09G2300/0413 ,  G09G2300/0426

Abstract: A display device includes: a data driver for supplying a data signal to each of a plurality of data lines; and a pixel unit including a plurality of sub-pixels. The pixel unit further includes one dummy data line disposed separate from a data line of a first column among the data lines. The data line of the first column is connected to sub-pixels disposed on odd-numbered pixel rows among sub-pixels disposed on a first pixel column, and is connected to sub-pixels disposed on even-numbered pixel rows among sub-pixels disposed on a third pixel column. The dummy data line is connected to sub-pixels disposed on the even-numbered pixel rows among the sub-pixels disposed on the first pixel column.

公开(公告)号：US20220328013A1

公开(公告)日：2022-10-13

申请号：US17583938

申请日：2022-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Young ROH ,  Hong Soo KIM ,  Se Hyuk PARK ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/3291 ,  G09G3/3266

Abstract: Embodiments of the present disclosure relate to a display device and a driving method thereof, and the display device includes a demultiplexer connected to a first data line and transferring a data signal from the first data line to a plurality of second data lines during a data writing period of one frame, a compensator calculating an on-pixel ratio (OPR) using input data in the one frame and generating compensation data corresponding to a calculated OPR, and a data driver supplying the data signal to the first data line using the input data during the data writing period, and supplying a compensation data signal to the first data line using the compensation data in a blank period of the one frame, and the demultiplexer supplies the compensation data signal from the first data line to a second data line during the blank period.

公开(公告)号：US20220270552A1

公开(公告)日：2022-08-25

申请号：US17283430

申请日：2019-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Young ROH ,  Hui NAM ,  Se Hyuk PARK ,  Hyo Jin LEE

IPC: G09G3/3266

Abstract: A display device includes a display panel including a plurality of pixels each coupled to a write scan line, a compensation scan line, an initialization scan line, a bypass scan line, and a data line; and a scan driver configured to supply i (where i is a natural number) write scan pulses, compensation scan pulses, initialization scan pulses, and bypass scan pulses to the write scan line, the compensation scan line, the initialization scan line, and the bypass scan line, respectively, during a first period corresponding to one frame period, and to supply j (where j is a natural number other than i) write scan pulses to the write scan line during each of frame periods of a second period including a plurality of consecutive frame periods.

公开(公告)号：US20210407436A1

公开(公告)日：2021-12-30

申请号：US17142131

申请日：2021-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/3291 ,  G09G3/3266

Abstract: A display device includes: a pixel configured to display an image based on image data and a reference voltage; a controller configured to generate reference voltage data corresponding to the reference voltage for restraining leakage current in the pixel based on a frame frequency; and a power supply configured to generate the reference voltage based on the reference voltage data and supply the reference voltage to the pixel.

公开(公告)号：US20200372853A1

公开(公告)日：2020-11-26

申请号：US16793880

申请日：2020-02-18

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hyo Jin LEE ,  Sang An KWON ,  Jin Young ROH

IPC: G09G3/32

Abstract: A display device includes a display unit. The display unit includes a first display area and a second display area. A first scan line, a first power line, and first pixels connected to the first scan line and the first power line are in the first display area. A second scan line, a second power line, and second pixels connected to the second scan line and the second power line are in the second display area. A scan driver is configured to sequentially provide a scan signal to the first scan line and the second scan line. A power supply is configured to provide a power source voltage that is varied independently to the first power line and the second power line.

公开(公告)号：US20250087139A1

公开(公告)日：2025-03-13

申请号：US18956066

申请日：2024-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Young Ha SOHN ,  Jin Wook YANG ,  Dong Gyu LEE ,  Jae Hyeon JEON

IPC: G09G3/32

Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.

公开(公告)号：US20240096265A1

公开(公告)日：2024-03-21

申请号：US18133593

申请日：2023-04-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Ha SOHN ,  Se Hyuk PARK ,  Jin Wook YANG ,  Dong Gyu LEE ,  Jae Hyeon JEON

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0278 ,  G09G2320/0247 ,  G09G2330/021

Abstract: A pixel includes: a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is applied, and a third node electrically connected to the light emitting element; a first emission control transistor having an on-off timing controlled by a first emission control signal; and a second emission control transistor having an on-off timing controlled by a second emission control signal. A time interval exists between a time at which the first emission control signal having a turn-on level is input such that a voltage of the second node is dropped from a bias voltage having a voltage level higher than a voltage level of the first power voltage and a time at which the second emission control signal having a turn-on level is input.

公开(公告)号：US20230089661A1

公开(公告)日：2023-03-23

申请号：US17724695

申请日：2022-04-20

Applicant: Samsung Display Co., LTD.

Inventor： Young Ha SOHN ,  Se Hyuk PARK ,  Hae Kwan SEO ,  Jin Wook YANG

IPC: G09G3/32

Abstract: A pixel includes a light emitting element, a first transistor including a gate electrode electrically connected to a first node, a second transistor including a gate electrode connected to a first scan line, a third transistor including a gate electrode connected to the first scan line, a fourth transistor including a gate electrode connected to a second scan line, a fifth transistor including a gate electrode electrically connected to a third scan line, an sixth transistor including a gate electrode electrically connected to the third scan line, a resistor electrically connected in parallel with the sixth transistor between the second node and the anode of the light emitting element, and an amplifier having a non-inverting terminal and an inverting terminal electrically connected to ends of the resistor, respectively.

公开(公告)号：US20220375380A1

公开(公告)日：2022-11-24

申请号：US17723584

申请日：2022-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hae Kwan SEO ,  Jin Wook YANG ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/20

Abstract: A display system and a driving method for a display system that includes an application processor configured to supply a mode control signal corresponding to a plurality of driving modes and input image data corresponding thereto; and a display module that includes pixels configured to display an image and configured to control any one of a plurality of gamma values and power source voltages supplied to the pixels in response to the plurality of driving modes.

公开(公告)号：US20220319435A1

公开(公告)日：2022-10-06

申请号：US17519625

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/3266 ,  G09G3/3275

Abstract: The present disclosure provides a display device that controls output of a scan signal, conversion of image data, and output of a data signal in response to partial scan driving. The display device includes a display panel driven in one of a first mode and a second mode, a scan driver sequentially supplying a scan signal for writing data in the first mode, a controller generating image data in which input image data is rearranged based on the first mode or the second mode, and a data driver converting the image data into data signals and supplying the data signals to output channels.