公开(公告)号：US20220068209A1

公开(公告)日：2022-03-03

申请号：US17524649

申请日：2021-11-11

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/3258 ,  G09G3/3291 ,  H01L27/32

Abstract: A display apparatus includes a display panel, a first gate driver, a second gate driver, a third gate driver, and a data driver. The display apparatus is operable in a low frequency driving mode, and the low frequency driving mode includes a writing frame and a holding frame. At least one of gate power voltages used to generate a first gate signal, a second gate signal, and an emission signal has a first voltage level in the writing frame of the low frequency driving mode and a second voltage level in the holding frame of the low frequency driving mode. The data voltage is applied to the pixel in the writing frame of the low frequency driving mode. The data voltage applied to the pixel in the writing frame of the low frequency driving mode is maintained in the holding frame of the low frequency driving mode.

公开(公告)号：US20210335275A1

公开(公告)日：2021-10-28

申请号：US17171428

申请日：2021-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/3275

Abstract: A display device includes a display panel including a plurality of pixels, a data driver which provides data signals to the plurality of pixels, and a controller which controls the data driver. The controller writes frame data to a frame memory, reads the frame data in each of a plurality of frame periods, performs in a first frame period of the plurality of frame periods a still image detection operation that determines whether the frame data represent a still image, and does not performs the still image detection operation in a second frame period of the plurality of frame periods subsequent to the first frame period.

公开(公告)号：US20210097924A1

公开(公告)日：2021-04-01

申请号：US16992011

申请日：2020-08-12

Applicant: Samsung Display Co., Ltd.

Inventor： Suk Hun LEE ,  Sangan KWON ,  Hong Soo KIM ,  Jin Young ROH ,  Sehyuk PARK ,  Hyo Jin LEE

IPC: G09G3/20

Abstract: A display apparatus includes a display panel displaying an image based on an input image data, a data driver outputting a data voltage to a data line, and a driving controller determining a driving frequency of the display panel based on the input image data. The driving controller includes a flicker value storage configured to store flicker values for grayscale values corresponding to the input image data, a voltage drop determiner configured to adjust a flicker value of the flicker values based on a voltage drop of the display panel, a still image determiner configured to determine whether the input image data is a still image or a video image, and a driving frequency determiner configured to determine the driving frequency of the display panel using the flicker value based on the input image data being the still image.

公开(公告)号：US20210035531A1

公开(公告)日：2021-02-04

申请号：US16920395

申请日：2020-07-02

Applicant: Samsung Display Co., Ltd.

Inventor： Bon-Seog GU ,  Hong Soo KIM ,  Woomi BAE ,  Sangho PARK

IPC: G09G5/36 ,  G06F3/01 ,  G09G5/37

Abstract: The present disclosure provides a display apparatus including a head tracker obtaining information of movement of a user and formed on a display substrate and generating a temporary image using the information of the movement of the user. The head tracker is configured to output information of movement of a user to the driving controller. The driving controller is configured to generate a temporary image based on the information of the movement of the user. The display panel is configured to selectively display an input image and the temporary image.

公开(公告)号：US20200066207A1

公开(公告)日：2020-02-27

申请号：US16445755

申请日：2019-06-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bon Seog GU ,  Hong Soo KIM ,  Woo Mi BAE ,  Ki Wan AHN ,  Joo Sun YOON ,  Chong Chul CHAI

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a display panel including pixels; a panel driver to supply a scan signal and a data signal to the pixels; and a power supply to generate a first supply voltage and a second supply voltage, and to change the first supply voltage and/or the second supply voltage to provide it to the pixels. The pixels emit light in response to the scan signal based on the data signal during an emission period where a voltage difference between the first supply voltage and the second supply voltage is larger than a first reference voltage. A first voltage difference between the first supply voltage and the second supply voltage at a start of the emission period is larger than an average voltage difference between the first supply voltage and the second supply voltage throughout the emission period.

公开(公告)号：US20180045983A1

公开(公告)日：2018-02-15

申请号：US15636807

申请日：2017-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hong Soo KIM ,  Jun Heyung JUNG ,  Ja Kyoung JIN

IPC: G02F1/01 ,  G02F1/29 ,  G02F1/1345

CPC classification number: G02F1/0105 ,  G02F1/13452 ,  G02F1/29 ,  G09G3/20 ,  G09G3/3241 ,  G09G3/3685 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2340/04

Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.

公开(公告)号：US20250087139A1

公开(公告)日：2025-03-13

申请号：US18956066

申请日：2024-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Young Ha SOHN ,  Jin Wook YANG ,  Dong Gyu LEE ,  Jae Hyeon JEON

IPC: G09G3/32

Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.

公开(公告)号：US20220375380A1

公开(公告)日：2022-11-24

申请号：US17723584

申请日：2022-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hae Kwan SEO ,  Jin Wook YANG ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/20

Abstract: A display system and a driving method for a display system that includes an application processor configured to supply a mode control signal corresponding to a plurality of driving modes and input image data corresponding thereto; and a display module that includes pixels configured to display an image and configured to control any one of a plurality of gamma values and power source voltages supplied to the pixels in response to the plurality of driving modes.

公开(公告)号：US20220319435A1

公开(公告)日：2022-10-06

申请号：US17519625

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk PARK ,  Hong Soo KIM ,  Jin Young ROH ,  Hyo Jin LEE ,  Jae Keun LIM

IPC: G09G3/3266 ,  G09G3/3275

Abstract: The present disclosure provides a display device that controls output of a scan signal, conversion of image data, and output of a data signal in response to partial scan driving. The display device includes a display panel driven in one of a first mode and a second mode, a scan driver sequentially supplying a scan signal for writing data in the first mode, a controller generating image data in which input image data is rearranged based on the first mode or the second mode, and a data driver converting the image data into data signals and supplying the data signals to output channels.

公开(公告)号：US20220319371A1

公开(公告)日：2022-10-06

申请号：US17494915

申请日：2021-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Youn KIM ,  Hong Soo KIM ,  Se Hyuk PARK ,  Jun Heyung JUNG ,  Man Seung CHO

IPC: G09G3/20

Abstract: A display panel includes a display panel displaying an image including a moving image and a static image; a controller generating first image data to the first area in a first arrangement type, and generating second image data to the second area in a second arrangement type; a scan driver sequentially supplying scan signals to all of pixel rows of the first area during a first period of a first frame and sequentially supplying scan signals to a part of pixel rows of the second area exclusively during a second period of the first frame; and a data driver supplying data signals corresponding to the first image data to data lines during the first period, and supplying data signals corresponding to the second image data to the data lines during the second period.