公开(公告)号：US09183784B2

公开(公告)日：2015-11-10

申请号：US13919302

申请日：2013-06-17

申请人： Oh-Kyong Kwon ,  Chang-Ho Hyun ,  Woung Kim

发明人： Oh-Kyong Kwon ,  Chang-Ho Hyun ,  Woung Kim

IPC分类号： G09G3/32

CPC分类号： G09G3/3291 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2310/0297 ,  G09G2320/0233

摘要： A first reference voltage is applied to a plurality of pixels during a data writing period when data is written and a second reference voltage is applied to the plurality of pixels during a light emitting period when the plurality of pixels emit light, in which each of the plurality of pixels includes a switching transistor to transfer a data voltage applied to a data line to a first node; a driving transistor controlling a driving current flowing into an OLED according to the voltage of the first node and a first power supply voltage; and a storage capacitor including a first electrode connected to the first node and a second electrode receiving one of the first reference voltage and the second reference voltage. A difference between the first reference voltage and the second reference voltage is determined according to a threshold voltage deviation characteristic of the display unit.

摘要翻译： 在写入数据的数据写入期间，当多个像素发光时，在多个像素发光期间，向多个像素施加第一参考电压，并将第二基准电压施加到多个像素，其中， 多个像素包括用于将施加到数据线的数据电压传送到第一节点的开关晶体管; 根据第一节点的电压和第一电源电压控制流入OLED的驱动电流的驱动晶体管; 以及存储电容器，包括连接到第一节点的第一电极和接收第一参考电压和第二参考电压之一的第二电极。 根据显示单元的阈值电压偏差特性来确定第一参考电压和第二参考电压之间的差。

公开(公告)号：US20110298836A1

公开(公告)日：2011-12-08

申请号：US13013719

申请日：2011-01-25

申请人： Naoaki Komiya ,  Choon-Yul Oh ,  Ho-Ryun Chung ,  Myoung-Hwan Yoo ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

发明人： Naoaki Komiya ,  Choon-Yul Oh ,  Ho-Ryun Chung ,  Myoung-Hwan Yoo ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

IPC分类号： G09G5/10 ,  G09G3/30

CPC分类号： G09G3/3233 ,  G09G2320/0295 ,  G09G2320/045

摘要： An organic light emitting diode display is disclosed. A signal from the pixels in the display is transmitted to a circuit which compensates the image data according to the signal, which is indicative of one or more of ageing of the organic light emitting diodes, the threshold voltages of the driving transistors, and current mobility of the driving transistors.

摘要翻译： 公开了一种有机发光二极管显示器。 来自显示器中的像素的信号被发送到根据该信号补偿图像数据的电路，该信号表示有机发光二极管的老化，驱动晶体管的阈值电压和电流迁移率的一个或多个 的驱动晶体管。

公开(公告)号：US20110279437A1

公开(公告)日：2011-11-17

申请号：US12929285

申请日：2011-01-12

申请人： Naoaki Komiya ,  Choon-Yul Oh ,  Ho-Ryun Chung ,  Myoung-Hwan Yoo ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

发明人： Naoaki Komiya ,  Choon-Yul Oh ,  Ho-Ryun Chung ,  Myoung-Hwan Yoo ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

IPC分类号： G09G5/00 ,  G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045

摘要： An organic light emitting diode (OLED) display and a driving method thereof include an OLED, a driving transistor supplying a driving current to the OLED, a data line transmitting a data signal to the driving transistor, a first switch including a first electrode connected to one electrode of the OLED and a second electrode connected to the data line, and a second switch including a first electrode connected to the data line and a second electrode connected to the gate electrode of the driving transistor. The first switch is turned on such that a predetermined first current is transmitted to the OLED, the voltage of one electrode of the OLED is received through the data line, the deterioration degree of the OLED is detected according to the transmitted voltage, and the data signal transmitted to the data line is compensated according to the detected deterioration.

摘要翻译： 有机发光二极管（OLED）显示器及其驱动方法包括OLED，向OLED提供驱动电流的驱动晶体管，向驱动晶体管传输数据信号的数据线;第一开关，包括连接到 OLED的一个电极和连接到数据线的第二电极，以及包括连接到数据线的第一电极和连接到驱动晶体管的栅电极的第二电极的第二开关。 第一开关导通，使得预定的第一电流被传输到OLED，通过数据线接收OLED的一个电极的电压，根据透射电压检测OLED的劣化程度，并且数据 根据检测到的劣化来补偿发送到数据线的信号。

公开(公告)号：US08508525B2

公开(公告)日：2013-08-13

申请号：US12929223

申请日：2011-01-10

申请人： Naoaki Komiya ,  Choon-Yul Oh ,  Joo-Hyeon Jeong ,  Myoung-Hwan Yoo ,  Wang-Jo Lee ,  Ho-Ryun Chung ,  Chang-Ho Hyun ,  Woung Kim ,  In-Ho Choi

发明人： Naoaki Komiya ,  Choon-Yul Oh ,  Joo-Hyeon Jeong ,  Myoung-Hwan Yoo ,  Wang-Jo Lee ,  Ho-Ryun Chung ,  Chang-Ho Hyun ,  Woung Kim ,  In-Ho Choi

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G3/3283 ,  G09G2300/0861

摘要： An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels, a plurality of scan lines, and a plurality of data lines, a data driver transmitting a plurality of data signals to the plurality of data lines, a scan driver transmitting a plurality of scan signals to the plurality of scan lines, a compensation controller supplying a predetermined first current to each OLED in each of the plurality of pixels during a sensing period for measuring a driving voltage of the OLED for each of a plurality of pixels, receiving the driving voltage of the OLED supplied with the first current, and outputting measuring data for the transmitted driving voltage; and a signal controller compensating an input video signal according to the measuring data to generate image data. The compensation controller is separate from and external to the data driver.

摘要翻译： 有机发光二极管（OLED）显示器包括：显示单元，包括多个像素，多条扫描线和多条数据线;数据驱动器，向多条数据线发送多条数据信号;扫描 驱动器将多个扫描信号发送到所述多条扫描线，补偿控制器在用于测量所述OLED的多个像素中的每一个的感测周期内的每个OLED中的每个OLED上提供预定的第一电流 像素，接收提供有第一电流的OLED的驱动电压，并输出用于发送的驱动电压的测量数据; 以及根据测量数据补偿输入视频信号以生成图像数据的信号控制器。 补偿控制器与数据驱动器分开，外部。

公开(公告)号：US08269803B2

公开(公告)日：2012-09-18

申请号：US12985618

申请日：2011-01-06

申请人： Myoung-Hwan Yoo ,  Choon-Yul Oh ,  Naoaki Komiya ,  Ho-Ryun Chung ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

发明人： Myoung-Hwan Yoo ,  Choon-Yul Oh ,  Naoaki Komiya ,  Ho-Ryun Chung ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

IPC分类号： G09G5/10

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

摘要： A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resistance value of the measurement resistor, the measurement resistor to convert the first pixel current corresponding to the first data voltage into a first measured voltage and the second pixel current corresponding to the second data voltage into a second measured voltage.

摘要翻译： 显示装置包括多个像素，所述多个像素中的每一个包括驱动晶体管和发光二极管，补偿器，用于根据分别施加到第一和第二数据电压的多个像素产生的第一和第二像素电流 所述多个像素，所述补偿器计算图像数据补偿量以补偿所述多个像素中的每一个的驱动晶体管的特性的变化，以及数据选择器，用于将所述第一和第二数据电压传输到所述多个像素，并且 将第一和第二像素电流传输到补偿器，补偿器，以测量由于对应于不同灰度级的第一和第二数据电压而产生的第一和第二像素电流，并且计算驱动的实际阈值电压和移动性 每个像素的晶体管，补偿器包括测量电阻器，compe 用于控制测量电阻器的电阻值的测量电阻器，用于将对应于第一数据电压的第一像素电流转换成第一测量电压的测量电阻器和将与第二数据电压相对应的第二像素电流转换成第二测量电压。

公开(公告)号：US20110279444A1

公开(公告)日：2011-11-17

申请号：US12914219

申请日：2010-10-28

申请人： Ho-Ryun Chung ,  Choon-Yul Oh ,  Naoaki Komiya ,  Myoung-Hwan Yoo ,  Joo-Hyeon Jeong ,  Chang-Ho Hyun ,  Woung Kim ,  Wang-Jo Lee ,  In-Ho Choi

发明人： Ho-Ryun Chung ,  Choon-Yul Oh ,  Naoaki Komiya ,  Myoung-Hwan Yoo ,  Joo-Hyeon Jeong ,  Chang-Ho Hyun ,  Woung Kim ,  Wang-Jo Lee ,  In-Ho Choi

IPC分类号： G06F3/038

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

摘要： A display device includes a display having a plurality of pixels, a compensator that for each of a plurality of pixels, calculates an image data compensation amount that compensates a characteristic deviation of a driving transistor of each pixel by measuring the first pixel current generated by the first data voltage and the second pixel current generated by the second data voltage obtained by amending the first data voltage, and initializes a panel capacitor that is parasitic on a plurality of data lines connected to the plurality of pixels in the measurement of the first pixel current and the measurement of the second pixel current; and a signal controller that generates an image data signal by reflecting the compensation amount of the image data. It is possible to shorten a compensation period for compensating a characteristic deviation between driving transistors, and since a data writing period in which a data signal is written in each pixel and a light emitting period in which, after the writing of the data signal corresponding to each pixel is completed, the entire pixel emits light at once, making it possible to more efficiently display the image.

摘要翻译： 显示装置包括具有多个像素的显示器，对于多个像素中的每一个，补偿器通过测量由该像素生成的第一像素电流来计算补偿每个像素的驱动晶体管的特性偏差的图像数据补偿量 第一数据电压和由通过修改第一数据电压获得的第二数据电压产生的第二像素电流，并且在第一像素电流的测量中初始化连接到多个像素的多条数据线上的面板电容器 和第二像素电流的测量; 以及信号控制器，其通过反映图像数据的补偿量来生成图像数据信号。 可以缩短用于补偿驱动晶体管之间的特性偏差的补偿周期，并且由于在每个像素中写入数据信号的数据写入周期和在写入与数据信号对应的数据信号之后的发光周期 每个像素完成，整个像素一次发光，使得可以更有效地显示图像。

公开(公告)号：US20110279436A1

公开(公告)日：2011-11-17

申请号：US12929223

申请日：2011-01-10

申请人： Naoaki Komiya ,  Choon-Yul Oh ,  Joo-Hyeon Jeong ,  Myoung-Hwan Yoo ,  Wang-Jo Lee ,  Ho-Ryun Chung ,  Chang-Ho Hyun ,  Woung Kim ,  In-Ho Choi

发明人： Naoaki Komiya ,  Choon-Yul Oh ,  Joo-Hyeon Jeong ,  Myoung-Hwan Yoo ,  Wang-Jo Lee ,  Ho-Ryun Chung ,  Chang-Ho Hyun ,  Woung Kim ,  In-Ho Choi

IPC分类号： G09G5/00 ,  G09G3/30

CPC分类号： G09G3/3233 ,  G09G3/3283 ,  G09G2300/0861

摘要： An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels, a plurality of scan lines, and a plurality of data lines, a data driver transmitting a plurality of data signals to the plurality of data lines, a scan driver transmitting a plurality of scan signals to the plurality of scan lines, a compensation controller supplying a predetermined first current to each organic light emitting diode in each of the plurality of pixels during a sensing period for measuring a driving voltage of the organic light emitting diode for each of a plurality of pixels, receiving the driving voltage of the organic light emitting diode supplied with the first current, and outputting measuring data for the transmitted driving voltage; and a signal controller compensating an input video signal according to the measuring data to generate image data. The compensation controller is separate from and external to the data driver.

摘要翻译： 有机发光二极管（OLED）显示器包括：显示单元，包括多个像素，多条扫描线和多条数据线;数据驱动器，向多条数据线发送多条数据信号;扫描 驱动器将多个扫描信号发送到多个扫描线;补偿控制器，用于在用于测量有机发光二极管的驱动电压的感测周期期间向多个像素中的每一个中的每一个中的每个有机发光二极管提供预定的第一电流 对于多个像素中的每一个，接收被提供有第一电流的有机发光二极管的驱动电压，并输出用于发送的驱动电压的测量数据; 以及根据测量数据补偿输入视频信号以生成图像数据的信号控制器。 补偿控制器与数据驱动器分开，外部。

公开(公告)号：US20110254871A1

公开(公告)日：2011-10-20

申请号：US12985618

申请日：2011-01-06

申请人： Myoung-Hwan Yoo ,  Choon-Yul Oh ,  Naoaki Komiya ,  Ho-Ryun Chung ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

发明人： Myoung-Hwan Yoo ,  Choon-Yul Oh ,  Naoaki Komiya ,  Ho-Ryun Chung ,  Joo-Hyeon Jeong ,  Wang-Jo Lee ,  In-Ho Choi ,  Chang-Ho Hyun ,  Woung Kim

IPC分类号： G09G3/32 ,  G09G5/10

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

摘要： A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resistance value of the measurement resistor, the measurement resistor to convert the first pixel current corresponding to the first data voltage into a first measured voltage and the second pixel current corresponding to the second data voltage into a second measured voltage.

摘要翻译： 显示装置包括多个像素，所述多个像素中的每一个包括驱动晶体管和发光二极管，补偿器，用于根据分别施加到第一和第二数据电压的多个像素产生的第一和第二像素电流 所述多个像素，所述补偿器计算图像数据补偿量以补偿所述多个像素中的每一个的驱动晶体管的特性的变化，以及数据选择器，用于将所述第一和第二数据电压传输到所述多个像素，并且 将第一和第二像素电流传输到补偿器，补偿器，以测量由于对应于不同灰度级的第一和第二数据电压而产生的第一和第二像素电流，并且计算驱动的实际阈值电压和移动性 每个像素的晶体管，补偿器包括测量电阻器，compe 用于控制测量电阻器的电阻值的测量电阻器，用于将对应于第一数据电压的第一像素电流转换成第一测量电压的测量电阻器和将与第二数据电压相对应的第二像素电流转换成第二测量电压。

公开(公告)号：US20110050754A1

公开(公告)日：2011-03-03

申请号：US12869961

申请日：2010-08-27

申请人： Chang-Ho Hyun

发明人： Chang-Ho Hyun

IPC分类号： G09G5/10

CPC分类号： G09G3/20 ,  G09G2320/0285 ,  G09G2320/0626 ,  G09G2340/16 ,  G09G2360/16

摘要： A display device and a driving method thereof that can prevent distortion of luminance characteristics upon application of an ACL algorithm are disclosed. The display device includes a signal controller configured to correct luminance data according to the difference between image data of a current frame and image data of a previous frame.

摘要翻译： 公开了一种能够防止应用ACL算法时的亮度特性变形的显示装置及其驱动方法。 显示装置包括：信号控制器，被配置为根据当前帧的图像数据和前一帧的图像数据之间的差异校正亮度数据。