公开(公告)号：US08558766B2

公开(公告)日：2013-10-15

申请号：US12107167

申请日：2008-04-22

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G3/2022 ,  G09G2300/0852 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045

摘要： An organic light emitting display and a method for driving the same, which may compensate for the degradation of an organic light emitting diode. The organic light emitting display includes: a plurality of pixels, each including an organic light emitting diode and a pixel circuit for controlling a supply of an electric current to the organic light emitting diode; and a sensing unit for converting a voltage applied to the organic light emitting diode to a digital value during a sensing period, and for sinking a second current from the pixel corresponding to the digital value to compensate for a degradation of the organic light emitting diode during a sampling period.

摘要翻译： 一种有机发光显示器及其驱动方法，其可补偿有机发光二极管的劣化。 有机发光显示器包括：多个像素，每个像素包括有机发光二极管和用于控制向有机发光二极管供应电流的像素电路; 以及感测单元，用于在感测周期期间将施加到有机发光二极管的电压转换为数字值，并且用于从对应于数字值的像素吸收第二电流，以补偿有机发光二极管的劣化 抽样期。

公开(公告)号：US20130222356A1

公开(公告)日：2013-08-29

申请号：US13569154

申请日：2012-08-07

申请人： Jin-Tae Jeong ,  Oh-Kyong Kwon

发明人： Jin-Tae Jeong ,  Oh-Kyong Kwon

IPC分类号： G09G5/00 ,  H01L33/08

CPC分类号： G09G3/3233 ,  G09G3/3208 ,  G09G3/3283 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866

摘要： A pixel having a simplified structure can compensate for the threshold voltage of a driving transistor thereof. The pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power source, a storage capacitor coupled between a data line and a first node, a second transistor having a first electrode coupled to a first power source, a second electrode coupled to an anode electrode of the OLED, and a gate electrode coupled to the first node, a first transistor coupled between the first node and the second electrode of the second transistor, a gate electrode of the first transistor being coupled to a current scan line, and a third transistor coupled between the second electrode of the second transistor and the anode electrode of the OLED, a gate electrode of the third transistor being coupled to a control line.

摘要翻译： 具有简化结构的像素可以补偿其驱动晶体管的阈值电压。 像素包括有机发光二极管（OLED），其具有耦合到第二电源的阴极电极，耦合在数据线与第一节点之间的存储电容器，具有耦合到第一电源的第一电极的第二晶体管， 耦合到OLED的阳极电极的第二电极和耦合到第一节点的栅电极，耦合在第一晶体管的第一节点和第二电极之间的第一晶体管，第一晶体管的栅电极耦合到电流 扫描线和耦合在第二晶体管的第二电极和OLED的阳极之间的第三晶体管，第三晶体管的栅电极耦合到控制线。

公开(公告)号：US20130113518A1

公开(公告)日：2013-05-09

申请号：US13334355

申请日：2011-12-22

申请人： Hae-Rang Choi ,  Yong-Ju Kim ,  Oh-Kyong Kwon ,  Kang-Sub Kwak ,  Jun-Yong Song ,  Hyeon-Cheon Seol

发明人： Hae-Rang Choi ,  Yong-Ju Kim ,  Oh-Kyong Kwon ,  Kang-Sub Kwak ,  Jun-Yong Song ,  Hyeon-Cheon Seol

IPC分类号： H03K19/23

CPC分类号： H03K19/0813 ,  H03K19/23

摘要： A majority decision circuit includes: a majority decision unit configured to compare first data with second data to decide whether one of the first data and the second data has more bits with a first logical value; and an offset application unit configured to control the majority decision unit so that the majority decision unit decides, in a case when the number of bits with the first logical value among the first data is equal to the number of bits with the first logical value among the second data, that the first data have more bits with the first logical value if offset is a first setting value in a first phase and decides that the second data have more bits with the first logical value if the offset is a second setting value in a second phase.

摘要翻译： 多数决定电路包括：多数决定单元，被配置为将第一数据与第二数据进行比较，以确定第一数据和第二数据之一是否具有更多具有第一逻辑值的位; 以及偏移应用单元，被配置为控制多数决定单元，使得多数决定单元在第一数据中具有第一逻辑值的比特数等于具有第一逻辑值的比特数在 第二数据，如果偏移量是第一相位中的第一设定值，则第一数据具有具有第一逻辑值的更多位，并且如果偏移量是第二设定值，则判定第二数据具有第一逻辑值的更多位 第二阶段

公开(公告)号：US20120280634A1

公开(公告)日：2012-11-08

申请号：US13156273

申请日：2011-06-08

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： H05B37/02

CPC分类号： G09G3/3233 ,  G09G3/3291 ,  G09G2300/0871 ,  G09G2300/0885

摘要： Disclosed is a pixel capable of finely controlling the amount of current and increasing the voltage range of a data signal. A pixel includes an organic light emitting diode, a first transistor, a storage capacitor, a load and an amplifier. The first transistor is coupled between a scan line and a data line, and supplies a data signal supplied to the data line to a first node when a scan signal is supplied to the scan line. The storage capacitor is coupled between the first node and a first power source, and charges a voltage corresponding to the data signal. The load is coupled between the organic light emitting diode and the first power source. The amplifier controls a voltage applied to the load corresponding to the voltage charged in the storage capacitor.

摘要翻译： 公开了能够精细地控制电流量并增加数据信号的电压范围的像素。 像素包括有机发光二极管，第一晶体管，存储电容器，负载和放大器。 当扫描信号被提供给扫描线时，第一晶体管耦合在扫描线和数据线之间，并将提供给数据线的数据信号提供给第一节点。 存储电容器耦合在第一节点和第一电源之间，并且对与数据信号相对应的电压进行充电。 负载耦合在有机发光二极管和第一电源之间。 放大器控制施加到与存储电容器中充电的电压相对应的负载的电压。

公开(公告)号：US08289240B2

公开(公告)日：2012-10-16

申请号：US12495710

申请日：2009-06-30

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： G09G3/30

CPC分类号： G09G3/325 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0223 ,  G09G2320/0233

摘要： A light emitting display for compensating for the threshold voltage of transistor or mobility and fully charging a data line. A transistor and first through third switches are formed on a pixel circuit of an organic EL display. The transistor supplies a driving current for emitting an organic EL element (OLED). The first switch diode-connects the transistor. A first storage unit stores a first voltage corresponding to a threshold voltage of the transistor. A second switch transmits a data current in response to a select signal. A second storage unit stores a second voltage corresponding to the data current. A third switch transmits the driving current to the OLED. A third voltage determined by coupling of the first and second storage units is applied to a transistor to supply the driving current to the OLED.

摘要翻译： 一种发光显示器，用于补偿晶体管的阈值电压或移动性，并对数据线进行充电。 晶体管和第一至第三开关形成在有机EL显示器的像素电路上。 晶体管提供用于发射有机EL元件（OLED）的驱动电流。 第一个开关二极管连接晶体管。 第一存储单元存储对应于晶体管的阈值电压的第一电压。 第二开关响应于选择信号发送数据电流。 第二存储单元存储对应于数据电流的第二电压。 第三开关将驱动电流传送到OLED。 通过第一和第二存储单元的耦合确定的第三电压被施加到晶体管以向OLED提供驱动电流。

公开(公告)号：US08274503B2

公开(公告)日：2012-09-25

申请号：US12115716

申请日：2008-05-06

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： G06F3/045

CPC分类号： G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043

摘要： An organic light emitting display includes: a sensing unit for extracting degradation information of an organic light emitting diode included in each of the pixels, and for transferring a first digital value and a second digital value corresponding to the extracted degradation information to a data driver; the data driver for generating data signals corresponding to second data supplied from a timing controller during a normal driving period; a first analog-digital converter for converting the voltage corresponding to the first digital value to a fourth digital value, and for converting the voltage corresponding to the second digital value to a fifth digital value; and the timing controller for storing the fourth digital value and the fifth digital value, and for changing first data supplied from an exterior in accordance with the fourth digital value and the fifth digital value to generate the second data.

摘要翻译： 有机发光显示器包括：感测单元，用于提取包括在每个像素中的有机发光二极管的劣化信息，并将与所提取的劣化信息相对应的第一数字值和第二数字值传送到数据驱动器; 所述数据驱动器用于在正常驱动期间产生对应于从定时控制器提供的第二数据的数据信号; 第一模拟数字转换器，用于将对应于第一数字值的电压转换为第四数字值，并将与第二数字值对应的电压转换为第五数字值; 以及用于存储第四数字值和第五数字值的定时控制器，并且用于根据第四数字值和第五数字值改变从外部提供的第一数据，以生成第二数据。

公开(公告)号：US20100207967A1

公开(公告)日：2010-08-19

申请号：US12706031

申请日：2010-02-16

申请人： Jong-Hak BAEK ,  Yoon-Kyung Choi ,  Oh-Kyong Kwon

发明人： Jong-Hak BAEK ,  Yoon-Kyung Choi ,  Oh-Kyong Kwon

IPC分类号： G09G5/10 ,  H03M1/66

CPC分类号： H03M1/687 ,  G09G3/3685 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2310/027 ,  G09G2330/028 ,  H03M1/745 ,  H03M1/765

摘要： A hybrid digital to analog converter (DAC) includes a first digital to analog converting unit (DACU) and a second DAC unit. The first DAC unit provides an analog voltage corresponding to Q-bit upper data of P-bit gray data, in response to a plurality of gamma voltages, where P is a natural number equal to or greater than 10 and Q is a natural number less than 10. The second DAC unit provides an analog current having a magnitude according to each bit level of R-bit lower data of the P-bit gray data, based on a rated current generated from a reference voltage, where R is a natural number corresponding to P-Q.

摘要翻译： 混合数模转换器（DAC）包括第一数模转换单元（DACU）和第二DAC单元。 响应于多个伽马电压，第一DAC单元提供对应于P位灰度数据的Q位上位数据的模拟电压，其中P是等于或大于10的自然数，Q是自然数较少 10.根据从参考电压产生的额定电流，第二DAC单元提供具有根据P位灰度数据的R位下位数据的每个位电平的幅度的模拟电流，其中R是自然数 对应于PQ。

公开(公告)号：US20100073335A1

公开(公告)日：2010-03-25

申请号：US12406631

申请日：2009-03-18

申请人： Ung-Gyu MIN ,  Oh-Kyong Kwon

发明人： Ung-Gyu MIN ,  Oh-Kyong Kwon

IPC分类号： G09G5/00 ,  G09G3/32

CPC分类号： G09G3/3291 ,  G09G3/3233 ,  G09G2300/0413 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/0262 ,  G09G2310/027 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045

摘要： The present invention provides a display device and a method of driving the same. The display device includes a plurality of display pixels to display an image, a plurality of data lines connected to the display pixel, and a plurality of sensing lines connected to the display pixel. Each display pixel includes: a driving transistor including a control terminal, an input terminal, and an output terminal; a capacitor connected to the control terminal of the driving transistor; a first switching transistor connected to the data line and the control terminal of the driving transistor; a light-emitting element to receive a driving current from the driving transistor, the light-emitting element to emit light; a second switching transistor connected between the sensing line and the output terminal of the driving transistor; and a third switching transistor connected between the output terminal of the driving transistor and the light-emitting element, wherein the driving transistor is a p-channel electric field effect transistor.

摘要翻译： 本发明提供一种显示装置及其驱动方法。 显示装置包括显示图像的多个显示像素，连接到显示像素的多个数据线以及连接到显示像素的多个感测线。 每个显示像素包括：驱动晶体管，其包括控制端子，输入端子和输出端子; 连接到驱动晶体管的控制端的电容器; 连接到数据线和驱动晶体管的控制端的第一开关晶体管; 从驱动晶体管接收驱动电流的发光元件，发光元件发光; 连接在感测线与驱动晶体管的输出端之间的第二开关晶体管; 以及连接在驱动晶体管的输出端子和发光元件之间的第三开关晶体管，其中驱动晶体管是p沟道电场效应晶体管。

公开(公告)号：US20090262105A1

公开(公告)日：2009-10-22

申请号：US12495710

申请日：2009-06-30

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： G06F3/038 ,  G09G3/30

CPC分类号： G09G3/325 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0223 ,  G09G2320/0233

摘要： A light emitting display for compensating for the threshold voltage of transistor or mobility and fully charging a data line. A transistor and first through third switches are formed on a pixel circuit of an organic EL display. The transistor supplies a driving current for emitting an organic EL element (OLED). The first switch diode-connects the transistor. A first storage unit stores a first voltage corresponding to a threshold voltage of the transistor. A second switch transmits a data current in response to a select signal. A second storage unit stores a second voltage corresponding to the data current. A third switch transmits the driving current to the OLED. A third voltage determined by coupling of the first and second storage units is applied to a transistor to supply the driving current to the OLED.

公开(公告)号：US07573444B2

公开(公告)日：2009-08-11

申请号：US11312545

申请日：2005-12-21

申请人： Sang-Moo Choi ,  Oh-Kyong Kwon

发明人： Sang-Moo Choi ,  Oh-Kyong Kwon

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/325 ,  G09G3/3241 ,  G09G3/3283 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0248 ,  G09G2310/027 ,  G09G2320/0223

摘要： A light emitting display that includes a pixel portion having a plurality of pixels to display an image, a scan driver to supply a scan signal and an emission control signal to the pixel portion, and a data driver connected to a plurality of data lines each divided into a first data line through which a first current is supplied to the pixel, and a second data line through which a current having the same magnitude as the first current and a data current are induced from the pixel, wherein the data driver includes a current applying circuit to generate the first current, supply the first current to the pixel through the first data line, and receive the first current from the pixel through the second data line; and a data driving integrated circuit to induce the data current in the pixel through the second data line.

摘要翻译： 一种发光显示器，包括具有多个像素以显示图像的像素部分，向像素部分提供扫描信号和发射控制信号的扫描驱动器，以及连接到多个数据线的数据驱动器，每个数据线被分割 进入第一数据线，通过该第一数据线将第一电流提供给像素，以及第二数据线，通过该第二数据线从该像素感应出具有与第一电流和数据电流相同幅度的电流，其中数据驱动器包括电流 施加电路以产生第一电流，通过第一数据线将第一电流提供给像素，并通过第二数据线从像素接收第一电流; 以及数据驱动集成电路，以通过第二数据线诱导像素中的数据电流。