公开(公告)号：US11087665B2

公开(公告)日：2021-08-10

申请号：US16923355

申请日：2020-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jinyoung Roh ,  HongSoo Kim ,  Sangan Kwon ,  Sehyuk Park ,  Hyo Jin Lee

IPC: G09G3/20

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel including a gate line and a data line displays an image based on input image data. The gate driver outputs a gate signal to the gate line. The data driver outputs a data voltage to the data line. The driving controller includes an area divider dividing the input image data into first and second area data, a first variable frequency driver determining a first driving frequency of the first area data based on a flicker value according to a grayscale value and generating a first data signal of the first driving frequency and a second variable frequency driver determining a second driving frequency of the second area data based on a flicker value according to a grayscale value and generating a second data signal of the second driving frequency.

公开(公告)号：US10971077B2

公开(公告)日：2021-04-06

申请号：US16923008

申请日：2020-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sangan Kwon ,  Hyojin Lee ,  Jinyoung Roh ,  Sehyuk Park

IPC: G09G5/10 ,  G09G3/3275 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/20

Abstract: An OLED display device includes display panel and a panel driver. The panel driver receives input image data at an input frame frequency and determines whether the input image data represent a still image. When the input image data do not represent the still image, the panel driver drives the display panel at a first output frame frequency substantially equal to the input frame frequency. When the input image data represent the still image, the panel driver drives the display panel at a second output frame frequency lower than the input frame frequency for a low frequency driving time and drives the display panel at a third output frame frequency higher than the second output frame frequency for a high frequency insertion time determined by one of a panel characteristic of the display panel and a representative gray level of the input image data, after the low frequency driving time.

公开(公告)号：US10917969B2

公开(公告)日：2021-02-09

申请号：US16786113

申请日：2020-02-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-hwa Lim ,  Sangan Kwon ,  Kyunho Kim ,  Yong-jin Shin ,  Shimho Yi ,  Heebum Park

IPC: H05K1/14 ,  G09G3/20 ,  H05K1/02 ,  H05K1/11 ,  H05K1/18 ,  H05K3/36 ,  G09G3/3225 ,  G09G3/36

Abstract: A display device includes a display panel, a first circuit board, a control unit disposed on the first circuit board, a second circuit board, and a coupling film which electrically couples the control unit and the second circuit board to each other. The coupling film includes a first coupling part including a first region attached to the first circuit board, and a second region overlapping the display panel when viewed in a thickness direction of the display panel, a second coupling part including a third region attached to the second circuit board, and a fourth region overlapping the display panel when viewed in the thickness direction of the display panel, and a third coupling part coupled to each of the second region and the fourth region to electrically couple the first coupling part and the second coupling part to each other.

公开(公告)号：US10595408B2

公开(公告)日：2020-03-17

申请号：US15715551

申请日：2017-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-hwa Lim ,  Sangan Kwon ,  Kyunho Kim ,  Yong-jin Shin ,  Shimho Yi ,  Heebum Park

IPC: H05K1/14 ,  G09G3/20 ,  H05K1/02 ,  H05K1/11 ,  H05K1/18 ,  H05K3/36 ,  G09G3/3225 ,  G09G3/36

Abstract: A display device includes a display panel, a first circuit board, a control unit disposed on the first circuit board, a second circuit board, and a coupling film which electrically couples the control unit and the second circuit board to each other. The coupling film includes a first coupling part including a first region attached to the first circuit board, and a second region overlapping the display panel when viewed in a thickness direction of the display panel, a second coupling part including a third region attached to the second circuit board, and a fourth region overlapping the display panel when viewed in the thickness direction of the display panel, and a third coupling part coupled to each of the second region and the fourth region to electrically couple the first coupling part and the second coupling part to each other.