公开(公告)号：US20230381832A1

公开(公告)日：2023-11-30

申请号：US18112716

申请日：2023-02-22

Applicant: Samsung Display Co., LTD.

Inventor： Jai Phoong KIM ,  Jae Hoon LEE ,  Hyuk KANG ,  Chang Uk AN ,  Han Geul LIM ,  Byung Jin CHOI

IPC: B08B3/12

CPC classification number: B08B3/12 ,  B08B2203/007

Abstract: A mask cleaning apparatus includes a cleaning bath including an accommodating space in which a cleaning solution is stored, a transfer robot transferring a mask, and an induction heating member disposed inside the accommodating space. The cleaning bath includes at least one side and a bottom surface, which define the accommodating space. The induction heating member includes a first heating member, a second heating member, and a waterproof layer covering the first heating member and the second heating member.

公开(公告)号：US20210065623A1

公开(公告)日：2021-03-04

申请号：US15930965

申请日：2020-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seokha HONG ,  Sang Myeon HAN ,  Jae Hoon LEE

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a display panel including first, second, and third color sub-pixels, a data driver, a scan driver, a power supply to provide a power supply voltage to the display panel, and a controller. The controller includes a pure color index calculator to calculate first through third pure color indexes of first through third sub-pixel data, a pure color index histogram generator to generate first through third high pure color index histograms, and first through third low pure color index histograms, a histogram analyzer to determine first through third effective maximum gray levels for the first through third color sub-pixels according to the first through third high pure color index histograms and the first through third low pure color index histograms, and a power supply voltage controller to determine a voltage level of the power supply voltage according to the first through third effective maximum gray levels.

公开(公告)号：US20180322844A1

公开(公告)日：2018-11-08

申请号：US15935812

申请日：2018-03-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Hoon LEE ,  Jai Hyun KOH ,  Heen Dol KIM ,  Bong Hyun YOU ,  Soo Yeon LEE ,  Seok Ha HONG

IPC: G09G3/36 ,  G09G5/10

CPC classification number: G09G3/3696 ,  G09G5/10 ,  G09G2300/0413 ,  G09G2320/0247 ,  G09G2320/029

Abstract: A display device may include display pixels configured to emit light at a luminance corresponding to a data signal, at least one auxiliary pixel configured to store an auxiliary voltage, a gate driver configured to supply a gate signal to the display pixels and the auxiliary pixel, a data driver configured to convert image data into the data signal, and supply an auxiliary voltage having a preset level to the auxiliary pixel. A sensing circuit is configured to sense a change in the auxiliary pixel for each frame, and generate compensation voltage information. A timing controller is configured to convert an image signal into the image data, and generate a driving voltage control signal. A voltage generation unit is configured to generate a driving voltage corresponding to the driving voltage control signal, and generate the reference gamma voltage based on the driving voltage.

公开(公告)号：US20180158429A1

公开(公告)日：2018-06-07

申请号：US15826020

申请日：2017-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yeon-Sun NA ,  Bo-Ram KANG ,  Jeong Hun GO ,  Jae Hoon LEE

IPC: G09G3/36 ,  H01L35/30

Abstract: A display device and method of operation that provides self-generated power. The device includes: a display portion including a plurality of pixels; a data driver applying a data signal to data lines connected to the plurality of pixels; a signal controller transmitting an image data signal for generation of the data signal to the data driver; a power supply generating a driving voltage for operation of the signal controller and the data driver; a thermoelectric generation portion generating electrical energy by using heat generated by at least one of the signal controller, the power supply, and the data driver; and a converter generating an auxiliary driving voltage that is the same as the driving voltage by using the electrical energy.

公开(公告)号：US20170047008A1

公开(公告)日：2017-02-16

申请号：US15073378

申请日：2016-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Young In HWANG

IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0243 ,  G09G2310/0245 ,  G09G2310/0291 ,  G09G2330/028 ,  H01L27/124

Abstract: An organic light emitting diode (OLED) display of the present inventive concept includes: pixels connected to scan lines, data lines, and control lines; a data driver for supplying a data signal to the pixels via the data lines; a scan driver for supplying a scan signal to the pixels via the scan lines; and a control driver for supplying a first control signal to the pixels via the control lines. The control driver feeds back the first control signal supplied to the pixels so as to compensate a ripple voltage included in the first control signal, and generates a compensated first control signal by using the fed-back first control signal.

Abstract translation: 本发明构思的有机发光二极管（OLED）显示器包括：连接到扫描线，数据线和控制线的像素; 数据驱动器，用于经由数据线向像素提供数据信号; 扫描驱动器，用于经由扫描线向像素提供扫描信号; 以及用于经由控制线向像素提供第一控制信号的控制驱动器。 控制驱动器反馈提供给像素的第一控制信号，以补偿第一控制信号中包含的纹波电压，并通过使用反馈第一控制信号产生补偿的第一控制信号。

公开(公告)号：US20160351101A1

公开(公告)日：2016-12-01

申请号：US15140332

申请日：2016-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Seung Ho PARK ,  Do Hyung RYU ,  Jae Woo SONG ,  Hae Goo JUNG

IPC: G09G3/20 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3233

CPC classification number: G09G3/3225 ,  G09G2320/0238 ,  G09G2320/0271 ,  G09G2320/041 ,  G09G2320/048 ,  G09G2320/0686

Abstract: An organic light emitting display device includes a display panel having pixels and a display panel driver driving the display panel. Each of the pixels includes an organic light emitting diode, and the display panel driver selects one of the pixels, determines a reference grayscale value, compares a grayscale value, and determines the selected pixel as a low grayscale pixel when the grayscale value is lower than the reference grayscale value and higher than a black grayscale value. Some of the low grayscale pixels display the black grayscale value when there are more than one neighboring low grayscale pixels. The reference grayscale value is determined based on a reference grayscale variable, and the reference grayscale variable includes at least one of a temperature of the display panel, a time period when the selected pixel emits light, and a wavelength of light emitted by the selected pixel.

Abstract translation: 有机发光显示装置包括具有像素的显示面板和驱动显示面板的显示面板驱动器。 每个像素包括有机发光二极管，并且显示面板驱动器选择像素之一，确定参考灰度值，比较灰度值，并且当灰度值低于灰度值时，将所选择的像素确定为低灰度像素 参考灰度值，高于黑色灰度值。 当有多个相邻的低灰度像素时，一些低灰度像素显示黑色灰度值。 参考灰度值基于参考灰度变量确定，参考灰度变量包括显示面板的温度，所选择的像素发光的时间段和由所选择的像素发射的光的波长中的至少一个 。

公开(公告)号：US20140340387A1

公开(公告)日：2014-11-20

申请号：US14451802

申请日：2014-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Yong SONG ,  Jae Hoon LEE

IPC: G09G5/18

CPC classification number: G09G5/18 ,  G09G3/20 ,  G09G2300/0408 ,  G09G2310/0267 ,  G09G2310/0283 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A scan driver includes stages dependently connected to each other, where each of the stages outputs a gate signal, where a first scanning start signal is input to a first stage of the stages, where a second scanning start signal is input to a last stage of the stages, where each of the first scanning start signal and the second scanning start signal has one pulse per frame, where the stages sequentially output a gate-on voltage between a time when a pulse of the first scanning start signal for a frame is input to the first stage and a time when a pulse of the second scanning start signal for the frame is input to the last stage, and where the stages output a first low voltage lower than the gate-on voltage after the pulse of the second scanning start signal for the frame is input to the last stage.

Abstract translation: 扫描驱动器包括依赖于彼此连接的级，其中每个级输出门信号，其中第一扫描开始信号被输入到级的第一级，其中第二扫描开始信号被输入到最后级 其中第一扫描开始信号和第二扫描开始信号中的每一个每帧具有一个脉冲，其中级在输入帧的第一扫描开始信号的脉冲的时间之间顺序地输出栅极导通电压 到第一级，并且将帧的第二扫描开始信号的脉冲输入到最后级的时间，并且其中级在第二扫描开始的脉​​冲之后输出低于栅极导通电压的第一低电压 帧的信号被输入到最后阶段。

公开(公告)号：US20240221667A1

公开(公告)日：2024-07-04

申请号：US18605904

申请日：2024-03-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0666 ,  G09G2330/028

Abstract: A pixel includes a driving transistor having a gate electrode connected to a first node and connected between a first power line to which a first power voltage is applied and a second node, a first initialization transistor having a gate electrode connected to a first scan line and connected between the second node and a first initialization power line to which a first initialization power voltage is applied, a second initialization transistor having a gate electrode connected to the first scan line and connected between a third node and a second initialization power line to which a second initialization power voltage is applied, a first capacitor connected between the first node and the second node, a second capacitor connected between the first power line and the second node, and a light emitting element connected between the third node and a second power line.

公开(公告)号：US20230298502A1

公开(公告)日：2023-09-21

申请号：US17960868

申请日：2022-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Byoung Kwan AN

IPC: G09G3/20 ,  G09G3/3233 ,  G09G3/3291

CPC classification number: G09G3/2007 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2320/043 ,  G09G2360/16 ,  G09G2320/0257

Abstract: A display device includes a pixel, a deterioration compensator, and a data driver. The pixel includes a light emitting element. The deterioration compensator records a deterioration amount of the pixel in response to an input grayscale, determines a change amount of a driving voltage of the light emitting element based on the deterioration amount and the input grayscale, and generates adjusted data by calculating an adjustment amount based on the change amount of the driving voltage of the light emitting element. The data driver supplies a data voltage corresponding to the adjusted data to the pixel. The change amount of the driving voltage of the light emitting element varies according to the input grayscale.

公开(公告)号：US20230138436A1

公开(公告)日：2023-05-04

申请号：US17948787

申请日：2022-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Kyoung Ho LIM ,  Seung Ho PARK ,  Hee Sook PARK ,  Sang Myeon HAN

IPC: G09G3/32

Abstract: A display device is disclosed that includes pixels, a memory, and a degradation compensator. The pixels include light emitting elements. The memory is operable to store degradation information including degradation degrees of the light emitting elements. The degradation compensator is operable to receive the degradation information and generate output grayscales by changing each of input grayscales of the pixels in proportion to each of the degradation degrees. The degradation compensator includes a degradation information changer for changing the degradation information by decreasing a degradation degree having a variation greater than a threshold value among variations of the degradation degrees.