公开(公告)号：US20150371609A1

公开(公告)日：2015-12-24

申请号：US14836627

申请日：2015-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Jun CHOI ,  Jae-Won JEONG ,  Jae-Suk CHOI ,  Seung-Ho BAEK ,  Joo Seok YEOM ,  Young-Su HAN ,  Myeong-Su KIM ,  Yun-Jae KIM ,  Jin-Soo KIM ,  Seung Hwan MOON ,  Po-Yun PARK ,  Jae Wan PARK ,  Kwan-Young OH ,  Min Joo LEE ,  Jung Hwan CHO

IPC: G09G5/18 ,  G06T1/60 ,  G06T1/20

CPC classification number: G09G5/18 ,  G06T1/20 ,  G06T1/60 ,  G09G3/2092 ,  G09G3/3406 ,  G09G3/3648 ,  G09G2300/04 ,  G09G2320/0247 ,  G09G2320/0626 ,  G09G2320/064 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2340/0435 ,  G09G2360/18

Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.

Abstract translation: 本发明提供一种具有降低的功耗并减少亮度变化和闪烁感知的显示装置及其驱动方法。 根据示例性实施例的显示装置包括：显示面板，被配置为显示静止图像和运动图像; 信号控制器，被配置为控制用于驱动显示面板的信号; 以及图形处理单元，被配置为将输入图像数据发送到所述信号控制器，其中所述信号控制器包括被配置为存储所述输入图像数据的帧存储器，并且当显示所述运动图像时所述显示面板以第一频率被驱动， 当显示静止图像时，显示面板以低于第一频率的第二频率被驱动。

公开(公告)号：US20210018777A1

公开(公告)日：2021-01-21

申请号：US16781982

申请日：2020-02-04

Applicant: Samsung Display Co., Ltd.

Inventor： Yoo Jeong LEE ,  Seung Jae KANG ,  Po-Yun PARK ,  Hak Bum CHOI

IPC: G02F1/1343 ,  H05K5/00 ,  H05K1/18 ,  G02F1/1362

Abstract: A display device includes: a first substrate that includes a plurality of first pads arranged in a first direction and a plurality of second pads arranged in parallel with the plurality of first pads; a second substrate that overlaps the first substrate and includes a second substrate including one edge exposing the plurality of first pads and the plurality of second pads; a first flexible printed circuit board that is electrically connected with the plurality of first pads; a second flexible printed circuit board that overlaps the first flexible printed circuit board and is electrically connected with the plurality of second pads; a protective layer that covers the first flexible printed circuit board and the second flexible printed circuit board from one edge of the second substrate to a width including the plurality of first pads and the plurality of second pads; and a blocking portion disposed on the first substrate at a distance from one edge of the second substrate by a width of the protective layer and contacting the protective layer.

公开(公告)号：US20180144697A1

公开(公告)日：2018-05-24

申请号：US15812451

申请日：2017-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hong-Kyu KIM ,  Myeong Su KIM ,  Po-Yun PARK ,  Gwang Soo AHN

IPC: G09G3/36

Abstract: A display device includes a display panel including: a plurality of pixels; and a signal controller which generates, on a frame-by-frame basis, a display signal based on an input image signal and a control signal from an outside. The signal controller includes a memory which stores a preset image signal, a receiver which receives the control signal, a clock signal modulator which generates an internal clock signal having a first frequency during a blank period, which is determined based on the control signal in a frame period, and a data processor which reads the preset image signal from the memory in response to the internal clock signal for an image processing.

公开(公告)号：US20170011700A1

公开(公告)日：2017-01-12

申请号：US15002039

申请日：2016-01-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hong-Kyu KIM ,  Po-Yun PARK ,  Gwang-Soo AHN ,  Jung-Hwan CHO

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G3/003 ,  G09G3/3677 ,  G09G3/3696 ,  G09G2310/06 ,  G09G2310/08 ,  G09G2320/0295 ,  G09G2330/021 ,  G09G2330/027

Abstract: A display panel driving apparatus includes a data driving part, a data driving part and an off voltage controlling part. The data driving part is configured to output a data signal to a data line of a display panel. The gate driving part is configured to output a gate signal to a gate line of the display panel. The off voltage controlling part is configured to receive a first off voltage and a second off voltage applied to the gate driving part to generate the gate signal, measure a leakage current of the gate driving part, and control the first off voltage based on the leakage current. Thus, display quality of a display apparatus including the gate driving part may be improved.

Abstract translation: 显示面板驱动装置包括数据驱动部分，数据驱动部分和截止电压控制部分。 数据驱动部被配置为将数据信号输出到显示面板的数据线。 栅极驱动部件被配置为将栅极信号输出到显示面板的栅极线。 关断电压控制部被配置为接收施加到栅极驱动部分的第一截止电压和第二截止电压以产生栅极信号，测量栅极驱动部分的漏电流，并且基于泄漏来控制第一关断电压 当前。 因此，可以提高包括栅极驱动部分的显示装置的显示质量。

公开(公告)号：US20160140892A1

公开(公告)日：2016-05-19

申请号：US14939682

申请日：2015-11-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Po-Yun PARK ,  Myeong-Su Kim ,  Sil-Yi Bang ,  Gwang-Soo Ahn ,  Jung-Hwan Cho

IPC: G09G3/20

CPC classification number: G09G3/3688 ,  G09G2310/0291 ,  G09G2310/0297 ,  G09G2330/021 ,  G09G2330/06 ,  G09G2370/08

Abstract: A display panel driving apparatus includes a timing controlling part, a data driving part and a gate driving part. The timing controlling part outputs a first line data of an image data, and determines whether the first line data and a second line data next to the first line data are the same. The data driving part outputs a first line data signal based on the first line data to a data line corresponding to a first line, and outputs the first line data signal based on the first line data to a data line corresponding to a second line, when the first line data and the second line data are the same.

Abstract translation: 显示面板驱动装置包括定时控制部分，数据驱动部分和门驱动部分。 定时控制部分输出图像数据的第一行数据，并且确定第一行数据和第一行数据旁边的第二行数据是否相同。 数据驱动部分将基于第一行数据的第一行数据信号输出到对应于第一行的数据线，并且将基于第一行数据的第一行数据信号输出到对应于第二行的数据行，当 第一行数据和第二行数据相同。

公开(公告)号：US20140092145A1

公开(公告)日：2014-04-03

申请号：US13750788

申请日：2013-01-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Po-Yun PARK ,  Hyun Seok KO ,  Min Joo LEE ,  Yong-Jun CHOI

IPC: G09G5/00

CPC classification number: G09G5/00 ,  G09G3/2092 ,  G09G3/3611 ,  G09G3/3614 ,  G09G2340/0435

Abstract: A driving method of a display device is provided. The display device comprises a display panel having a plurality of pixels, a signal controller for controlling operation of the display panel, and a memory connected to the signal controller. The driving method comprises receiving an input image signal for a motion picture or a stationary image, and if the input image signal for the stationary image is received, determining whether the stationary image includes at least one weak pattern, setting a first frequency as a driving frequency to display the stationary image if the stationary image does not include a weak pattern, and setting a second frequency that is higher than the first frequency as the driving frequency if the stationary image includes the at least one weak pattern.

Abstract translation: 提供了一种显示装置的驱动方法。 显示装置包括具有多个像素的显示面板，用于控制显示面板的操作的信号控制器和连接到信号控制器的存储器。 所述驱动方法包括接收运动图像或静止图像的输入图像信号，并且如果接收到所述静止图像的输入图像信号，则确定所述静止图像是否包括至少一个弱图案，将所述第一频率设置为驾驶 如果静止图像不包括弱图案，并且如果静止图像包括至少一个弱图案，则设置比第一频率高的第二频率作为驱动频率的频率以显示静止图像。

公开(公告)号：US20220148481A1

公开(公告)日：2022-05-12

申请号：US17434441

申请日：2020-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Po-Yun PARK ,  Deok-Hwan KIM ,  Seungjae KANG ,  Sanghak YI

IPC: G09G3/20

Abstract: A display device includes a display panel, a first connection film, and a second connection film. The display panel includes first pads and second pads. The first connection film includes a first film, which includes a first region connected to the first pads and having a first width and a second region adjacent to the first region and having a second width different from the first width, and a first driving chip mounted on the first film. The second connection film includes a second film, which includes a third region connected to the second pads and having a third width and a fourth region adjacent to the third region and having a fourth width different from the third width and less than the second width, and a second driving chip mounted on the second film.

公开(公告)号：US20200161337A1

公开(公告)日：2020-05-21

申请号：US16685061

申请日：2019-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Seop SONG ,  Seung Jae KANG ,  Yeon-Sung KIM ,  Po-Yun PARK ,  Bong Chun PARK ,  Il Hyun YANG

IPC: H01L27/12 ,  H01L23/528 ,  H01L27/32

Abstract: A display device includes a substrate, pixels on the substrate, pads, and test lines. The pads are between the pixels and an edge of the substrate and include a first pad and a second pad. The test lines include a first test line and a second test line. The first test line includes a first section and a second section. The second section is closer to the edge of the substrate than the first section and is connected through the first section to the first pad. The second test line includes a first segment and a second segment. The second segment is closer to the edge of the substrate than the first segment and is connected through the first segment to the second pad. A minimum distance between the first section and the first segment is larger than a minimum distance between the second section and the second segment.

公开(公告)号：US20140320521A1

公开(公告)日：2014-10-30

申请号：US14163073

申请日：2014-01-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwan-Young OH ,  Youn Jin JUNG ,  Po-Yun PARK ,  Jae-Won JEONG

IPC: G09G5/02

CPC classification number: G09G5/02 ,  G09G3/3225 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2310/0205 ,  G09G2310/0251 ,  G09G2320/0285

Abstract: A display device includes a first pixel connected to a first gate line and a data line, a second pixel connected to a second gate line, different from the first gate line, and the data line, the second pixel being pre-charged when the first pixel is charged, a compensation LUT which stores LUT values for compensating a charging rate during a main charging of the second pixel; and an image signal processor which generates a compensated image signal for the main charging of the second pixel. The image signal processor may include a correction value calculating unit which calculates a correction value from the compensation LUT based on first and second input image signal of respective first and second pixels, and a compensated value generating unit which generates a compensated image signal for the second pixel based on the correction value and the second input image signal.

Abstract translation: 显示装置包括连接到第一栅极线和数据线的第一像素，连接到不同于第一栅极线的第二栅极线的第二像素和数据线，第二像素在第一栅极线与第一栅极线之间被预充电时 像素被充电;补偿LUT，其存储用于补偿第二像素的主充电期间的充电率的LUT值; 以及图像信号处理器，其生成用于第二像素的主充电的补偿图像信号。 图像信号处理器可以包括校正值计算单元，其基于相应的第一和第二像素的第一和第二输入图像信号从补偿LUT计算校正值，以及补偿值生成单元，其生成用于第二和第二像素的补偿图像信号 基于校正值和第二输入图像信号的像素。

公开(公告)号：US20190253662A1

公开(公告)日：2019-08-15

申请号：US16124094

申请日：2018-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hong-Kyu KIM ,  Yong-Bum KIM ,  Po-Yun PARK ,  Dong-Hyun YEO ,  Byungkil JEON

IPC: H04N7/01

CPC classification number: H04N7/0127 ,  G09G2320/029 ,  G09G2340/0435

Abstract: In a method of operating a display device supporting a variable frame mode, frame data are received during a constant active period of a frame period including the active period and a variable blank period, the received frame data are written to a frame memory in the active period, the received frame data are outputted to a data driver in the active period to display an image based on the received frame data, a time of the variable blank period is counted, and, when the time of the variable blank period reaches a predetermined threshold blank time, the frame data stored in the frame memory are outputted to the data driver in the variable blank period to display an image based on the frame data stored in the frame memory.