公开(公告)号：US11282426B2

公开(公告)日：2022-03-22

申请号：US16868837

申请日：2020-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Cheon Park ,  Seung Kyu Lee ,  Yoon Gyu Lee ,  Chae Han Hyun

IPC: G09G3/32 ,  G09G3/20

Abstract: A display device, including: pixels coupled to scan lines and data lines; a data driver configured to supply respective data signals to the data lines, including an amplifier disposed at an output terminal of the data driver, the amplifier including a first power terminal and a second power terminal; a switch unit configured to perform a power switching operation of alternately connecting the first power terminal and the second power terminal of the amplifier to a first driving power source and a second driving power source; and a driving controller configured to control the data driver and the switch unit, wherein the driving controller is configured to output a switch control signal to control the switch unit and interrupt the power switching operation during a blank period between source output periods, during which the data driver is configured to output the data signals of each frame.

公开(公告)号：US11257415B2

公开(公告)日：2022-02-22

申请号：US17034708

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak Pyo ,  Seung Kyu Lee

IPC: G09G3/20 ,  G09G3/32

Abstract: A display device includes a gray scale converter to receive input gray scale values, calculate an output load value that is smaller than an input load value when the input load value calculated from the input gray scale values is larger than a start current limit value, and convert the input gray scale values into converted gray scale values to correspond to the output load value, and a data driver to provide data voltages based on the converted gray scale values, wherein, when the input load value is between the start current limit value and a first current limit value, there is a first increase rate of the output load value for the input load value, and wherein, when the input load value is between the first current limit value and a maximum value of the input load value, there is a second increase rate of the output load value.

公开(公告)号：US11151926B2

公开(公告)日：2021-10-19

申请号：US16871287

申请日：2020-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun Ka ,  Sun Ja Kwon ,  Tae Hoon Kwon ,  Byung Sun Kim ,  Yang Wan Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Seung Kyu Lee ,  Jae Yong Lee ,  Jin Tae Jeong ,  Seung Ji Cha

IPC: G09G5/10 ,  G09G3/20 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/34 ,  H01L27/32 ,  G02F1/1345 ,  G02F1/1333

Abstract: A display device includes a substrate including a first pixel area, a second pixel area, and a third pixel area, each of the second and third pixel areas having a smaller surface area than the first pixel area and being connected to the first pixel area, first to third pixels provided in the first to third pixel areas, respectively, first to third lines connected to the first to third pixels, respectively, a line connecting part connecting the second and third lines, and a dummy unit overlapping the line connecting part to compensate for a difference of a load value of the first line and a load value of the second line.

公开(公告)号：US11043169B2

公开(公告)日：2021-06-22

申请号：US16734960

申请日：2020-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chae Han Hyun ,  Seung Kyu Lee ,  Jung Hun Yi ,  Seon I Jeong

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/00

Abstract: An organic light emitting display device includes: a first pixel region including first pixels coupled to first and second scan lines, and emission control lines; a first scan driver which supplies a first scan signal to each first scan line; a second scan driver which supplies a second scan signal to each second scan line; and an emission driver which supplies a light emission control signal to the emission control lines. The organic light emitting display device is in a second mode when the organic light emitting display device is mounted in a wearable device, and in a first mode otherwise. The second scan driver supplies k second scan signals to each second scan line in the first mode, and supplies j second scan signals to each second scan line in the second mode, where j is greater than k.

公开(公告)号：US10777145B2

公开(公告)日：2020-09-15

申请号：US15225713

申请日：2016-08-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kyu Lee ,  Ji Su Na

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3225 ,  G09G3/3258 ,  G09G3/36

Abstract: A demultiplexer includes: a first transistor connected between a data input line and a first data output line; a second transistor connected between the data input line and a second data output line; and an initializing transistor configured to be simultaneously turned on with the first transistor to transmit an initializing voltage to the second data output line.

公开(公告)号：US10311781B2

公开(公告)日：2019-06-04

申请号：US15585425

申请日：2017-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kyu Lee ,  Seung Ji Cha ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Min Ku Lee ,  Jin Tae Jeong

IPC: G09G3/3225 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A stage includes an output, an input, signal processors, and a stabilizer. The output supplies a voltage of a first or second power source to an output terminal based on voltages of first and second nodes. The input controls voltages of third and fourth nodes based on signals to a first and second input terminals. A first signal processor controls the voltage of the first node based on the voltage of the second node. A second signal processor is connected to a fifth node and controls the voltage of the first node based on a signal to a third input terminal. A third signal processor controls the voltage of the fourth node based on the voltage of the third node and the signal to the third input terminal. The stabilizer is connected between the second signal processor and input to control voltage drop widths of the third and fourth nodes.

公开(公告)号：US10229637B2

公开(公告)日：2019-03-12

申请号：US15455822

申请日：2017-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hyun Ka ,  Min Ku Lee ,  Tae Hoon Kwon ,  Seung Kyu Lee ,  Jin Tae Jeong ,  Seung Ji Cha

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

Abstract: A display device includes a first pixel region and a second pixel region having different widths. First pixels in the first pixel region each include a first transistor. Second pixels in the second pixel region each include a second transistor performing a same function as the first transistor. At least one of a channel width and a channel length of the first transistor of the first and second pixels is be different from one another.

公开(公告)号：US20180330672A1

公开(公告)日：2018-11-15

申请号：US15868961

申请日：2018-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Seung Kyu Lee ,  Hyun Woong Kim

IPC: G09G3/3266 ,  H01L27/32 ,  G09G3/3225

CPC classification number: G09G3/3266 ,  G09G3/3225 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2320/0233 ,  H01L27/3223 ,  H01L27/3276

Abstract: A display device includes: pixels provided in a display area; data lines connected to the pixels, the data lines providing data signals to the pixels; scan lines connected to the pixels, the scan lines providing scan signals to the pixels; and dummy scan lines intersecting the data lines in a peripheral area surrounding the display area.

公开(公告)号：US09946124B2

公开(公告)日：2018-04-17

申请号：US15058261

申请日：2016-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： Wan Namgung ,  Ik Han Oh ,  Seung Kyu Lee ,  Ho Jun Lee ,  Ki Pyo Hong

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134336 ,  G02F1/133707 ,  G02F2001/134345

Abstract: A liquid crystal display includes substrates facing each other, plural pixels, a liquid crystal layer between the substrates, and a pixel electrode in each pixel. The pixel electrode defines: a first stem extending in a first direction, a second stem extending in a second direction, first edge bars extending in the first direction and connected to the second stem, second edge bars extending in the second direction and connected to the first stem, and plural branches extending from the first or second stem and inclined with respect to the first or second directions and terminating spaced apart from the first and second edge bars. Distal ends of each of the first edge bars are spaced apart from distal ends of each of second edge bars, and in the second direction, each of the first edge bars overlaps lines along which the second edge bars respectively lengthwise extend.

公开(公告)号：US09766524B2

公开(公告)日：2017-09-19

申请号：US15242307

申请日：2016-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Kyu Lee ,  Sung Jin Mun ,  Hyun Jae Yoo

IPC: H01L27/12 ,  G02F1/1362 ,  H01L27/15

CPC classification number: G02F1/136286 ,  G02F1/1345 ,  G02F2001/133388 ,  G02F2001/13629 ,  G02F2001/136295 ,  H01L27/124 ,  H01L27/1288 ,  H01L27/15

Abstract: Provided are a liquid crystal display and a method of manufacturing a liquid crystal display. According to an aspect of the present inventive concept, there is provided a liquid crystal display which includes a first substrate which includes a display area and a non-display area, and a plurality of data fan-out lines which is disposed in the non-display area and includes a first conductive line extending toward the display area, and a second conductive line extending to overlap the first conductive line. At least a portion of the second conductive line includes a first wiring section extending in a direction parallel to an x-axis, and a second wiring section extending in a direction parallel to a y-axis. In the first wiring section, an upper surface of the second conductive line includes an inclined surface which slopes upward toward a negative direction of the y-axis.