公开(公告)号：US20150015563A1

公开(公告)日：2015-01-15

申请号：US14256411

申请日：2014-04-18

Applicant: Samsung Display Co., Ltd.

Inventor： Kaplan LEONID ,  Heung-Yeol NA ,  Baek-Woon LEE ,  Won-Sik HYUN ,  Jae-Hoon LEE

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/2029 ,  G09G3/2033 ,  G09G2300/0809 ,  G09G2320/0233

Abstract: A pixel circuit includes: an organic light emitting diode (“OLED”); a threshold circuit which generates an output signal based on an input signal, where the threshold circuit has a hysteresis characteristic with respect to the input signal; a first transistor including a first electrode connected to a data line, a second electrode connected to an input terminal of the threshold circuit, and a gate electrode connected to a scan line; and a second transistor including a first electrode connected to a first power, a second electrode connected to an anode of the organic light emitting diode, and a gate electrode connected to an output terminal of the threshold circuit, where the second transistor controls a current amount that flows to the organic light emitting diode from the first power based on the output signal of the threshold circuit.

Abstract translation: 像素电路包括：有机发光二极管（“OLED”）; 阈值电路，其基于输入信号生成输出信号，其中所述阈值电路相对于所述输入信号具有滞后特性; 第一晶体管，包括连接到数据线的第一电极，连接到阈值电路的输入端的第二电极和连接到扫描线的栅电极; 以及第二晶体管，包括连接到第一电源的第一电极，连接到有机发光二极管的阳极的第二电极和连接到阈值电路的输出端的栅电极，其中第二晶体管控制电流量 其基于阈值电路的输出信号从第一功率流向有机发光二极管。

公开(公告)号：US20140300592A1

公开(公告)日：2014-10-09

申请号：US14202068

申请日：2014-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hoon LEE ,  Baek-Woon LEE

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2320/045 ,  G09G2360/147

Abstract: Provided is a display device and a method of driving the same. The display device includes a display panel including a plurality of pixels, a data scaling unit scaling a data value of image data received from the outside based on a scaling ratio, a data driver providing a data signal to data lines connected to the plurality of pixels in response to the scaled data value, and a power unit that generates a driving voltage for emitting light from the plurality of pixels and changes the driving voltage in response to the scaled data value.

Abstract translation: 提供一种显示装置及其驱动方法。 显示装置包括：显示面板，包括多个像素;数据缩放单元，其根据缩放比例缩放从外部接收的图像数据的数据值;数据驱动器，向连接到多个像素的数据线提供数据信号 以及功率单元，其产生用于从所述多个像素发射光的驱动电压，并响应于所述缩放的数据值来改变所述驱动电压。

公开(公告)号：US20210383769A1

公开(公告)日：2021-12-09

申请号：US17406632

申请日：2021-08-19

Applicant: Samsung Display Co., Ltd

Inventor： Jae-Hoon LEE ,  Seung-Hwan MOON ,  Yong-Soon LEE ,  Young-Su KIM ,  Chang-Ho LEE ,  Whee-Won LEE ,  Jun-Yong SONG ,  Yu-Han BAE

IPC: G09G3/36 ,  G11C19/28

Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.

公开(公告)号：US20160293101A1

公开(公告)日：2016-10-06

申请号：US14861089

申请日：2015-09-22

Applicant: Samsung Display Co., LTD.

Inventor： Il-Hun JEONG ,  Jae-Hoon LEE

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/2007 ,  G09G3/3258 ,  G09G2300/0866 ,  G09G2300/0876 ,  G09G2320/0223 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2360/16

Abstract: A method of driving a display device includes calculating an average load and an asymmetry by analyzing an input image data, and adjusting at least one of a high data voltage and a low data voltage, which are supplied to a display panel of the display device, based on the average load and the asymmetry.

Abstract translation: 一种驱动显示装置的方法包括：通过分析输入图像数据并调整提供给显示装置的显示面板的高数据电压和低数据电压中的至少一个来计算平均负载和不对称性， 基于平均负载和不对称性。

公开(公告)号：US20150356925A1

公开(公告)日：2015-12-10

申请号：US14574056

申请日：2014-12-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hoon LEE ,  Do-Hyung RYU ,  Jae-Woo SONG ,  Hae-Goo JUNG

IPC: G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2310/0205 ,  G09G2310/0218 ,  G09G2310/0281

Abstract: A display panel module, organic light-emitting diode (OLED) display and method of driving the same are disclosed. In one aspect, the module includes a display panel divided into a first portion and a second portion and a plurality of scan and data lines divided into groups arranged in the first and second potions. The module further includes a first scan driver configured to sequentially apply scan signals to each of the first and second scan line groups. The first scan driver is further configured to substantially simultaneously apply the scan signals to corresponding scan lines of the first and second scan line groups. The module also includes a first data driver configured to output first data voltages to the first data line group and a second data driver configured to output second data voltages to the second data line group with the same timing as the first data driver.

Abstract translation: 公开了一种显示面板模块，有机发光二极管（OLED）显示器及其驱动方法。 在一个方面，该模块包括被分成第一部分和第二部分的显示面板以及被分成在第一和第二部分中布置的组的多个扫描和数据线。 该模块还包括配置成将扫描信号顺序地应用于第一和第二扫描线组中的每一个的第一扫描驱动器。 第一扫描驱动器还被配置为基本上同时将扫描信号施加到第一和第二扫描线组的相应扫描线。 该模块还包括配置成将第一数据电压输出到第一数据线组的第一数据驱动器和配置成以与第一数据驱动器相同的定时将第二数据电压输出到第二数据线组的第二数据驱动器。

公开(公告)号：US20150123964A1

公开(公告)日：2015-05-07

申请号：US14532757

申请日：2014-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hoon LEE ,  Jae-Woo SONG

IPC: G09G3/32 ,  G09G5/18

CPC classification number: G09G3/3225 ,  G09G3/003 ,  G09G2300/0866 ,  G09G2310/0221 ,  G09G2310/0251 ,  G09G2320/0209

Abstract: An organic light emitting diode (OLED) display and driving method thereof are disclosed. One inventive aspect includes a plurality of pixels, a scan driver, first and second power generation unit and a data driver. The scan driver supplies a first scan signal to odd-numbered scan lines during a first period and a second scan signal to even-numbered scan lines during a second period. The first and second power generation units set the pixels in a non-emission state during at least one frame of the first and second periods. The data driver supplies a data signal to data lines synchronous to the first and second scan signal.

Abstract translation: 公开了一种有机发光二极管（OLED）显示器及其驱动方法。 本发明的一个方面包括多个像素，扫描驱动器，第一和第二发电单元以及数据驱动器。 扫描驱动器在第一周期期间将第一扫描信号提供给奇数扫描线，并且在第二周期期间将第二扫描信号提供给偶数扫描线。 第一和第二发电单元在第一和第二周期的至少一个帧期间将像素设置为非发光状态。 数据驱动器将数据信号提供给与第一和第二扫描信号同步的数据线。

公开(公告)号：US20150070341A1

公开(公告)日：2015-03-12

申请号：US14447036

申请日：2014-07-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hoon LEE

IPC: G09G3/32

CPC classification number: G09G3/325 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A pixel circuit of an organic light emitting display device includes an emission unit, an emission control unit, a current supply unit, and a switch unit. The emission unit emits light based on an emission current. The emission control unit controls an emission operation of the emission unit based on a scan signal and a data signal. The current supply unit adjusts the emission current based on a current sinking operation performed based on an external constant current source, where the current supply unit is connected to the external constant current source. The switch unit controls an electrical connection operation between the emission control unit and the current supply unit.

Abstract translation: 有机发光显示装置的像素电路包括发射单元，发射控制单元，电流供应单元和开关单元。 发射单元基于发射电流发光。 排放控制单元基于扫描信号和数据信号来控制发射单元的发射操作。 电流供应单元基于外部恒定电流源进行的电流吸收操作来调整发射电流，其中电流供应单元连接到外部恒定电流源。 开关单元控制排放控制单元和电流供应单元之间的电连接操作。

公开(公告)号：US20140347402A1

公开(公告)日：2014-11-27

申请号：US14040941

申请日：2013-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Leonid Kaplan ,  Heung-Yeol NA ,  Baek-Woon LEE ,  Won-Sik HYUN ,  Jae-Hoon LEE

IPC: G09G3/34

CPC classification number: G09G3/3413 ,  G09G3/2022 ,  G09G3/3258 ,  G09G3/34 ,  G09G3/3607 ,  G09G2310/0216 ,  G09G2310/0218 ,  G09G2310/0235 ,  G09G2310/0245 ,  G09G2310/061 ,  G09G2310/063 ,  G09G2310/08 ,  G09G2320/0223

Abstract: A display device includes a display unit including pixels, each of which emits light according to data voltages, respectively; and a timing controller which divides an area of the display unit into an upper, center and bottom portions, divides one frame time into light emission sub-frames of a light emission period and a blank sub-frame of a blank period in which is supplied a black data signal, divides the upper, center and the bottom portions into groups, differentiates a scan start time of a light emission sub-frame and a scan start time of the blank sub-frame of each group, and increases the light emission period and decreases the blank period in proportional to an increase ratio of the light emission period as a group is closer to a middle of the center portion.

Abstract translation: 显示装置包括：显示单元，其包括各自分别根据数据电压发光的像素; 以及定时控制器，其将显示单元的区域划分成上部，中心和底部，将一帧时间分成发光周期的发光子帧和提供的空白周期的空白子帧 黑色数据信号将上部，中心和底部分成组，区分发光子帧的扫描开始时间和每组的空白子帧的扫描开始时间，并且增加发光周期 并且随着发光周期的增加比例成比例地减小空白周期，因为组靠近中心部分的中间。

公开(公告)号：US20140292822A1

公开(公告)日：2014-10-02

申请号：US13963971

申请日：2013-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hoon LEE ,  Do-Ik KIM ,  Baek-Woon LEE

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2003 ,  G09G2300/0426 ,  G09G2320/0242 ,  G09G2330/00 ,  G09G2330/028

Abstract: An organic light emitting diode (OLED) display includes a display unit including first pixels emitting first color light, second pixels emitting second color light, and third pixels emitting third color light, and a power source voltage supplier supplying a driving voltage to the respective pixels of the display unit. The display further includes a first voltage wire transferring the driving voltage to the first pixels, a second voltage wire transferring the driving voltage to the second pixels, and a third voltage wire transferring the driving voltage to the third pixels. The first, second and third voltage wires being provided in a first layer. The display includes auxiliary voltage wires provided in a second layer different from the first layer. Contact areas between the first, second and third voltage wire and the auxiliary voltage wires are different from each other.

Abstract translation: 有机发光二极管（OLED）显示器包括：显示单元，包括发射第一色光的第一像素，发射第二色光的第二像素和发射第三色光的第三像素;以及电源电压供应器，向各个像素提供驱动电压 的显示单元。 显示器还包括将驱动电压传送到第一像素的第一电压线，将驱动电压传送到第二像素的第二电压线以及将驱动电压传送到第三像素的第三电压线。 第一，第二和第三电压线设置在第一层中。 显示器包括设置在与第一层不同的第二层中的辅助电压线。 第一，第二和第三电压线与辅助电压线之间的接触区彼此不同。