公开(公告)号：US20230267885A1

公开(公告)日：2023-08-24

申请号：US18112424

申请日：2023-02-21

Applicant: Samsung Display Co., LTD.

Inventor： Eui Myeong CHO ,  Ho Cheol KANG ,  Jae Hyun KOH ,  Seok Young YOON

IPC: G09G3/3233 ,  H01L27/146 ,  H01L33/24 ,  H01L33/44

CPC classification number: G09G3/3233 ,  H01L27/146 ,  H01L33/24 ,  H01L33/44 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: A pixel includes a first transistor connected between a first power line and a first node, and including a gate electrode connected to a second node, a second transistor connected between a data line and the second node, and including a gate electrode connected to a scan line, a third transistor connected between a first sensing line and the first node, and including a gate electrode connected to a first control line, a fourth transistor connected between a second sensing line and a third node, and including gate electrode connected to a second control line, a first sub light emitting unit including light emitting elements connected in parallel in a forward direction between the first node and the third node, and a second sub light emitting unit including light emitting elements connected in parallel in the forward direction between the third node and a second power line.

公开(公告)号：US20220148492A1

公开(公告)日：2022-05-12

申请号：US17406596

申请日：2021-08-19

Applicant: Samsung Display Co., LTD.

Inventor： Seok Young YOON ,  Dong Won LEE

IPC: G09G3/32 ,  G09G5/10

Abstract: A display device includes light-emitting units including at least one element set including light-emitting elements; a first storage unit that stores temperature data of the at least one element set; and a compensator that extracts a first element set having temperature data of a higher temperature than an average temperature among the temperature data of the at least one element set and compensates for image data based on the extracted first element set to generate compensation data.

公开(公告)号：US20230230534A1

公开(公告)日：2023-07-20

申请号：US18094968

申请日：2023-01-09

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hyun KOH ,  Sung Hoon BANG ,  Eui Myeong CHO ,  Ho Cheol KANG ,  Seok Young YOON

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/08 ,  G09G2310/027 ,  G09G2310/0267 ,  G09G2320/0247 ,  G09G2320/0257

Abstract: A display device, includes: a display panel including a pixel electrically coupled to a gate line and a data line; a gate driver configured to provide a gate signal to the gate line; and a data driver configured to provide a data signal to the data line, wherein the gate driver is configured to sequentially provide a first gate signal and a second gate signal to the gate line during a first frame period, wherein the data driver is configured to provide a first data signal to the data line in response to the first gate signal, and to provide a second data signal to the data line in response to the second gate signal, and wherein the second data signal is different from the first data signal and varies dependent on the first data signal.

公开(公告)号：US20220084461A1

公开(公告)日：2022-03-17

申请号：US17445281

申请日：2021-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Won LEE ,  Seok Young YOON

IPC: G09G3/32

Abstract: A display device includes: a display unit including pixels, wherein each of the pixels includes stacks connected in series and each of the stacks includes a light emitting element; a storage to store pieces of stack number information, wherein each of the pieces of the stack number information indicates the number of stacks constituting an effective light source from among the stacks for each of the pixels; a compensator to generate compensated data by compensating image data based on the pieces of the stack number information; and a data driver to generate data voltages based on the compensated data and to provide the data voltages to the display unit. The pixels are to emit light with luminances corresponding to the data voltages.

公开(公告)号：US20240078947A1

公开(公告)日：2024-03-07

申请号：US18330610

申请日：2023-06-07

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hyun KOH ,  Seok Young YOON

IPC: G09G3/20 ,  H05K1/18

CPC classification number: G09G3/20 ,  H05K1/189 ,  H05K1/148

Abstract: A display device includes a display panel. Circuit boards include power lines electrically connected to the display panel. A power supply supplies a power voltage to the display panel through the power lines. A resistance adjuster is disposed on at least one of the circuit boards, and adjusts a resistance of at least one power line among the power lines such that a current deviation between the power lines is within a reference range.

公开(公告)号：US20230215346A1

公开(公告)日：2023-07-06

申请号：US18061101

申请日：2022-12-02

Applicant: Samsung Display Co., LTD.

Inventor： Eui Myeong CHO ,  Ho Cheol KANG ,  Jae Hyun KOH ,  Seok Young YOON

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2300/0426 ,  G09G2320/0673 ,  G09G2320/0276 ,  G09G2320/0233 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2360/16 ,  G09G2320/0257 ,  G09G2320/045

Abstract: A display device includes: pixels, each of the pixels including at least one light emitting element and a first transistor configured to supply a driving current to the at least one light emitting element; a sensing unit configured to sense a driving current of the first transistor, which corresponds to a data voltage applied to one pixel from among the pixels, the sensing unit being configured to detect a luminance of the light emitting element, which corresponds to the driving current; a gamma calculator configured to receive the driving current and the luminance of the light emitting element from the sensing unit, to calculate a gamma changed based on the driving current and the luminance of the light emitting element, and to provide, to a memory, the gamma changed based on the driving current and the luminance of the light emitting element.