公开(公告)号：US12238972B2

公开(公告)日：2025-02-25

申请号：US17571521

申请日：2022-01-09

Applicant: Samsung Display Co., LTD.

Inventor： Dong-Joon Park ,  Do Hyun Kang ,  Jung Kook Park ,  Dong Hak Pyo

IPC: H10K59/122 ,  H10K50/86 ,  H10K59/35

Abstract: A display device includes: a substrate; a pixel defining layer disposed on the substrate and that includes a pixel opening; an emission layer that overlaps the pixel opening of the pixel defining layer; and an anti-reflection layer that overlaps the pixel defining layer along a direction perpendicular to a surface of the substrate and is disposed along a portion of an edge of the pixel opening.

公开(公告)号：US11189229B2

公开(公告)日：2021-11-30

申请号：US16681551

申请日：2019-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Kook Park ,  Dong Wan Park ,  Sang Min Lim

IPC: G09G3/3258 ,  G09G3/3225 ,  G09G3/3208 ,  G09G3/36

Abstract: A display device includes: a display panel including a plurality of pixels; a data driver configured to supply a black voltage to the display panel; and a controller configured to: set an initial driving power voltage of the display panel; decide a bright spot voltage of the display panel while the data driver is supplying the black voltage to the display panel; and set any one of the bright spot voltage and the initial driving power voltage as a final driving power voltage.

公开(公告)号：US11710460B2

公开(公告)日：2023-07-25

申请号：US17465628

申请日：2021-09-02

Applicant: Samsung Display Co., LTD.

Inventor： Jung Kook Park ,  Dong Wan Park ,  Do Hyun Kang

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2320/0626

Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.

公开(公告)号：US10388216B2

公开(公告)日：2019-08-20

申请号：US15367531

申请日：2016-12-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Kook Park ,  Ju Gon Seok ,  Min Tak Lee ,  Sang Min Lim

IPC: G09G3/3233

Abstract: A display device includes an image controller that analyzes first image data to determine whether a same image is displayed for no less than a predetermined threshold time. The image controller sets a low grayscale region having grayscale values of no more than a predetermined threshold low grayscale value when the same image is displayed for no less than a threshold time. The image controller then receives second image data and transmits a control signal to allow a transistor hysteresis reset signal to be transmitted to pixels of the display in the low grayscale region. A data driver transmits the transistor hysteresis reset signal to the pixels in the low grayscale region based on the control signal.

公开(公告)号：US12125445B2

公开(公告)日：2024-10-22

申请号：US18208074

申请日：2023-06-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Kook Park ,  Dong Wan Park ,  Do Hyun Kang

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2320/0626

Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.

公开(公告)号：US20220328580A1

公开(公告)日：2022-10-13

申请号：US17571521

申请日：2022-01-09

Applicant: Samsung Display Co., LTD.

Inventor： Dong-Joon Park ,  Do Hyun Kang ,  Jung Kook Park ,  Dong Hak Pyo

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes: a substrate; a pixel defining layer disposed on the substrate and that includes a pixel opening; an emission layer that overlaps the pixel opening of the pixel defining layer; and an anti-reflection layer that overlaps the pixel defining layer along a direction perpendicular to a surface of the substrate and is disposed along a portion of an edge of the pixel opening.

公开(公告)号：US10726783B2

公开(公告)日：2020-07-28

申请号：US15297675

申请日：2016-10-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Kook Park

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/20

Abstract: A data driver includes a first and second data voltage generator and a third data voltage generator. The first and second data voltage generator generates a first data voltage corresponding to a first grayscale value and a second data voltage corresponding to a second grayscale value lower than the first grayscale value based on a reference voltage. The third data voltage generator generates a third data voltage corresponding to a third grayscale value lower than the second grayscale value based on a voltage level difference between the first data voltage and the second data voltage.

公开(公告)号：US12254834B2

公开(公告)日：2025-03-18

申请号：US17732258

申请日：2022-04-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Kook Park

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3291

Abstract: A data driver includes a first and second data voltage generator and a third data voltage generator. The first and second data voltage generator generates a first data voltage corresponding to a first grayscale value and a second data voltage corresponding to a second grayscale value lower than the first grayscale value based on a reference voltage. The third data voltage generator generates a third data voltage corresponding to a third grayscale value lower than the second grayscale value based on a voltage level difference between the first data voltage and the second data voltage.

公开(公告)号：US20230326416A1

公开(公告)日：2023-10-12

申请号：US18208074

申请日：2023-06-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Kook Park ,  Dong Wan Park ,  Do Hyun Kang

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2320/0626

Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.

公开(公告)号：US11335268B2

公开(公告)日：2022-05-17

申请号：US16932656

申请日：2020-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Kook Park

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/20 ,  G09G3/3291

Abstract: A data driver includes a first and second data voltage generator and a third data voltage generator. The first and second data voltage generator generates a first data voltage corresponding to a first grayscale value and a second data voltage corresponding to a second grayscale value lower than the first grayscale value based on a reference voltage. The third data voltage generator generates a third data voltage corresponding to a third grayscale value lower than the second grayscale value based on a voltage level difference between the first data voltage and the second data voltage.