公开(公告)号：US20160086550A1

公开(公告)日：2016-03-24

申请号：US14848696

申请日：2015-09-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEUNG-WOON SHIN ,  JAE-KOOK KIM ,  JeongJin PARK ,  CHOONGSEOB OH ,  HYOUNGBIN LIM ,  YONG-JU JEONG ,  MINSUNG CHOI

IPC: G09G3/34 ,  G09G3/20 ,  H05B33/08

CPC classification number: G09G3/3413 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2310/0235 ,  G09G2310/024

Abstract: A display apparatus includes a display panel, a panel driver, a light source part, and a light source driver. The display panel includes a first sub-pixel having a first primary color, a second sub-pixel having a second primary color, and a third sub-pixel having a white color. The panel driver drives the first, second, and third sub-pixels. The light source part provides the display panel with light. The light source part includes a first light source and a second light source. The first light source emits the light having a mixed color of the first primary color and the second primary color. The second light source emits the light having a third primary color. The first and second light sources are alternately turn on in one frame period. A turn-on order of the first and second light sources is changed by a unit of at least one frame period.

Abstract translation: 显示装置包括显示面板，面板驱动器，光源部分和光源驱动器。 显示面板包括具有第一原色的第一子像素，具有第二原色的第二子像素和具有白色的第三子像素。 面板驱动器驱动第一，第二和第三子像素。 光源部分为显示面板提供光。 光源部分包括第一光源和第二光源。 第一光源发射具有第一原色和第二原色的混合色的光。 第二光源发射具有第三原色的光。 第一和第二光源在一个帧周期中交替地接通。 第一和第二光源的点亮顺序以至少一个帧周期为单位改变。

公开(公告)号：US20250118258A1

公开(公告)日：2025-04-10

申请号：US18903981

申请日：2024-10-01

Applicant: Samsung Display Co., LTD.

Inventor： WONJIN SEO ,  SEUNG-WOON SHIN ,  HWAAN SUNG ,  JEONGAH LEE ,  DAEHO HWANG

IPC: G09G3/3233 ,  G09G3/20

Abstract: A display apparatus includes: a display panel including a plurality of pixels and a panel driver for applying a data voltage to pixels by the same pixel-column and performing a sensing operation, which senses the pixels receiving the data voltage. The plurality of pixels include first pixels having a first color and second pixels having a second color different from the first color. After the sensing operation is performed on a first odd-numbered group of the first pixels, the sensing operation is performed on a first even-numbered group of the first pixels. After the sensing operation is performed on the first even-numbered group of the first pixels, the sensing operation is performed on a second odd-numbered group of the second pixels. After the sensing operation is performed on the second odd-numbered group, the sensing operation is performed on a second even-numbered group of the second pixels.

公开(公告)号：US20230119488A1

公开(公告)日：2023-04-20

申请号：US17865336

申请日：2022-07-14

Applicant: Samsung Display Co., LTD.

Inventor： TAE-SEOK HA ,  KYOUNGSOO KIM ,  KYU-JIN PARK ,  SUNG-JAE PARK ,  SEUNG-WOON SHIN ,  HO LEE ,  WOON-ROK JANG

IPC: H01L27/32

Abstract: A display panel may include a plurality of pixels, a plurality of initialization lines for providing an initialization voltage to the plurality of pixels, a common line physically separated from the plurality of initialization lines, and a plurality of switching elements each including a first electrode connected to a respective one of the plurality of initialization lines and a second electrode connected to the common line.

公开(公告)号：US20230419901A1

公开(公告)日：2023-12-28

申请号：US18136469

申请日：2023-04-19

Applicant: Samsung Display Co., LTD.

Inventor： KIHYUN PYUN ,  SEUNG-WOON SHIN

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2096 ,  G09G2300/0842 ,  G09G2330/028 ,  G09G2330/021 ,  G09G2354/00

Abstract: A display device includes a display panel which displays an image based on output image data converted from input image data, an input voltage controller which determines a maximum scale factor and a minimum scale factor based on a power control mode set by a user, calculates a maximum driving voltage based on the maximum scale factor and the minimum scale factor, and calculates an optimal voltage based on the maximum driving voltage, a power supply which generates an input voltage based on the optimal voltage, and a driving voltage generator which generates a driving voltage provided to the display panel using the input voltage.

公开(公告)号：US20210375229A1

公开(公告)日：2021-12-02

申请号：US17170720

申请日：2021-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： TAE-SEOK HA ,  KYOUNGSOO KIM ,  KYU-JIN PARK ,  SEUNG-WOON SHIN ,  WOON-ROK JANG ,  IN-WON JIN

IPC: G09G3/36

Abstract: A gate driving circuit includes: a plurality of driving stages, each driving stage configured to provide a gate signal to a corresponding gate line among a plurality of gate lines, wherein each of the plurality of driving stages includes: a first transistor electrically connected between a first clock terminal and a gate output terminal, the first transistor including a gate electrode electrically connected to a first node, the first clock terminal to receive a first clock signal; a second transistor configured to transmit a first carry signal to the first node; and a third transistor electrically connected between the first node and a first voltage terminal, the third transistor including a gate electrode electrically connected to the first voltage terminal, the first voltage terminal to receive a first voltage, wherein the gate output terminal is electrically connected to the corresponding gate line.

公开(公告)号：US20220328001A1

公开(公告)日：2022-10-13

申请号：US17665853

申请日：2022-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： TAE-SEOK HA ,  KYOUNGSOO KIM ,  KYU-JIN PARK ,  SUNG-JAE PARK ,  SEUNG-WOON SHIN ,  WOON-ROK JANG

IPC: G09G3/3233

Abstract: A pixel includes a capacitor including a first electrode and a second electrode, a first transistor which generates a driving current, a second transistor which applies a data voltage to the first electrode of the capacitor, a third transistor which applies an initialization voltage to the second electrode of the capacitor, a fourth transistor which generates a leakage current in response to a dimming signal, and a light emitting element which emits light based on a residual driving current, where the residual driving current is obtained by subtracting the leakage current from the driving current.

公开(公告)号：US20180268767A1

公开(公告)日：2018-09-20

申请号：US15684139

申请日：2017-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： KIHYUN PYUN ,  SEUNG-WOON SHIN

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1335

CPC classification number: G09G3/3655 ,  G02F1/133509 ,  G02F1/136209 ,  G02F1/136213 ,  G02F2001/1635 ,  G09G3/3614 ,  G09G2320/0219 ,  G09G2320/0257

Abstract: A display apparatus includes a display panel, a data driving part and a gate driving part. The gate driving part outputs gate signals to gate lines, respectively, increases the gate signal from a first gate off voltage to a gate on voltage, decreases the gate signal from the gate on voltage to the first gate off voltage, decreases the gate signal from the first gate off voltage to a second gate off voltage in a slope less than a slope in which the gate signal decreases from the gate on voltage to the first gate off voltage, during P (P is a natural number) horizontal time in which P gate line of the gate lines is driven, and increases the gate signal from the second gate off voltage to the first gate off voltage.

公开(公告)号：US20230260459A1

公开(公告)日：2023-08-17

申请号：US17985563

申请日：2022-11-11

Applicant: Samsung Display Co., Ltd.

Inventor： KIHYUN PYUN ,  HYUNJOO SEO ,  SEUNG-WOON SHIN

IPC: G09G3/3258 ,  G09G3/00 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/006 ,  G09G3/32 ,  G09G3/2011 ,  G09G2330/025 ,  G09G2330/045 ,  G09G2310/08

Abstract: A display device includes a display panel including a pixel which receives a driving voltage through a first voltage line, a voltage generator which provides the driving voltage which has a first voltage level to the first voltage line and determines a voltage level of the driving voltage based on a voltage control signal, a current sensor which senses a current level of the first voltage line and outputs a current signal corresponding to the sensed current level, and an overcurrent controller which outputs the voltage control signal which changes the voltage level of the driving voltage when a difference value between present and previous current levels of the current signal is a reference value or greater. The voltage level of the driving voltage changes to a second voltage level lower than the first voltage level when the difference value is the reference value or greater.

公开(公告)号：US20220343825A1

公开(公告)日：2022-10-27

申请号：US17647470

申请日：2022-01-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： TAE-SEOK HA ,  KYOUNGSOO KIM ,  KYU-JIN PARK ,  SUNG-JAE PARK ,  SEUNG-WOON SHIN ,  HO LEE ,  WOON-ROK JANG

IPC: G09G3/20 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display device includes a controller, a panel driver, and a voltage generator. The controller generates a first control signal and generates image data and a second control signal in response to first and second image signals. The panel driver generates a driving signal in response to the image data and the first control signal to drive a display panel. The voltage generator generates a driving voltage to drive the display panel and changes a voltage level of the driving voltage in response to the second control signal. The first image signal corresponds to a second frame located before a third frame in which the driving voltage is changed. The second image signal corresponds to a first frame located before the second frame. The controller generates image data corresponding to the second frame in response to the first image signal and the second image signal.

公开(公告)号：US20220270528A1

公开(公告)日：2022-08-25

申请号：US17568289

申请日：2022-01-04

Applicant: Samsung Display Co., Ltd.

Inventor： TAE-SEOK HA ,  KYOUNGSOO KIM ,  KYU-JIN PARK ,  SUNG-JAE PARK ,  SEUNG-WOON SHIN ,  HO LEE ,  WOON-ROK JANG

IPC: G09G3/00

Abstract: A pixel circuit includes a light emitting element including a first electrode and a second electrode, a first switching element including a control electrode, a second switching element, a third switching element, a sensing resistor and a fourth switching element. The first switching element applies a first power voltage to the first electrode of the light emitting element. The second switching element applies a data voltage to the control electrode of the first switching element. The third switching element senses a signal of the first electrode of the light emitting element. The sensing resistor includes a first end connected to the second electrode of the light emitting element and a second end which receives a second power voltage. The fourth switching element senses a signal of the second electrode of the light emitting element.