公开(公告)号：US20130069852A1

公开(公告)日：2013-03-21

申请号：US13607811

申请日：2012-09-10

申请人： Wen-Tui Liao ,  Wen-Chun Wang ,  Hsi-Rong Han ,  Chih-Hung Huang

发明人： Wen-Tui Liao ,  Wen-Chun Wang ,  Hsi-Rong Han ,  Chih-Hung Huang

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2320/0233

摘要： A pixel circuit related to an organic light-emitting diode (OLED) is provided. When signals having appropriate operation waveforms are supplied, the circuit configuration (7T1C or 5T1C) of the pixel circuit keeps the current flowing through an OLED unaffected by the impact of IR drop on a power supply voltage Vdd (or mitigates the impact of the power supply voltage Vdd on the current) and prevents the current flowing through the OLED from changing with the Vth shift of a TFT for driving the OLED. Thereby, the luminance uniformity of an OLED display adopting the pixel circuit is greatly improved.

摘要翻译： 提供了与有机发光二极管（OLED）相关的像素电路。 当提供具有适当操作波形的信号时，像素电路的电路配置（7T1C或5T1C）保持流过OLED的电流不受IR降低对电源电压Vdd的影响的影响（或减轻电源的影响 电流Vdd），并且防止流过OLED的电流随着用于驱动OLED的TFT的Vth偏移而改变。 因此，采用像素电路的OLED显示器的亮度均匀性大大提高。

公开(公告)号：US20130088165A1

公开(公告)日：2013-04-11

申请号：US13645505

申请日：2012-10-04

申请人： Wen-Chun Wang ,  Hsi-Rong Han ,  Wen-Tui Liao ,  Chih-Hung Huang ,  Tsung-Yu Wang

发明人： Wen-Chun Wang ,  Hsi-Rong Han ,  Wen-Tui Liao ,  Chih-Hung Huang ,  Tsung-Yu Wang

IPC分类号： H05B37/02

CPC分类号： H05B33/0896 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/045 ,  Y02B20/36

摘要： An organic light-emitting diode (OLED) pixel circuit is provided, and if a circuit configuration (5T1C) thereof collocates with suitable operation waveforms, a current flowing through an OLED in the OLED pixel circuit may not be changed along with the power supply voltage (Vdd) which may be influenced by an IR drop, and may not be varied along with the threshold voltage (Vth) shift of a thin film transistor used for driving the OLED. Accordingly, the brightness uniformity of the applied OLED display can be substantially improved.

摘要翻译： 提供有机发光二极管（OLED）像素电路，并且如果其电路配置（5T1C）与合适的操作波形配合，则OLED像素电路中流过OLED的电流可能不随着电源电压而改变 （Vdd），其可能受到IR下降的影响，并且可能不会随着用于驱动OLED的薄膜晶体管的阈值电压（Vth）移动而变化。 因此，可以显着地提高所应用的OLED显示器的亮度均匀性。

公开(公告)号：US20140320550A1

公开(公告)日：2014-10-30

申请号：US14259171

申请日：2014-04-23

申请人： Wen-Tui Liao ,  Tsung-Yu Wang ,  Hsi-Rong Han ,  Chih-Hung Huang ,  Wen-Chun Wang

发明人： Wen-Tui Liao ,  Tsung-Yu Wang ,  Hsi-Rong Han ,  Chih-Hung Huang ,  Wen-Chun Wang

IPC分类号： G09G3/32

CPC分类号： G09G3/3225 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/045

摘要： A pixel circuit relating to an organic light emitting diode (OLED) is provided by the invention, and if the circuit configuration (5T1C or 6T1C) thereof collaborates with suitable operation waveforms, the current flowing through an OLED in the OLED pixel circuit is not be changed along with variation of a power supply voltage (Vdd) influenced by the IR drop, and is not be varied along with the threshold voltage (Vth) shift of a TFT used for driving the OLED. Accordingly, the brightness uniformity of the applied OLED display can be substantially improved.

摘要翻译： 通过本发明提供了与有机发光二极管（OLED）有关的像素电路，并且如果其电路配置（5T1C或6T1C）与合适的操作波形协作，则OLED像素电路中流过OLED的电流不是 随着受IR滴影响的电源电压（Vdd）的变化而变化，并且不随着用于驱动OLED的TFT的阈值电压（Vth）移动而改变。 因此，可以显着地提高所应用的OLED显示器的亮度均匀性。

公开(公告)号：US20130120342A1

公开(公告)日：2013-05-16

申请号：US13672715

申请日：2012-11-09

申请人： Wen-Chun Wang ,  Hsi-Rong Han ,  Wen-Tui Liao ,  Chih-Hung Huang ,  Tsung-Yu Wang

发明人： Wen-Chun Wang ,  Hsi-Rong Han ,  Wen-Tui Liao ,  Chih-Hung Huang ,  Tsung-Yu Wang

IPC分类号： G09G3/30

CPC分类号： G09G3/30 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861

摘要： An organic light emitting diode (OLED) pixel circuit is provided by the invention. If a circuit configuration (5T2C) thereof collocates with suitable operation waveforms, a current flowing through an OLED in the OLED pixel circuit may not be changed with a power supply voltage (Vdd) influenced by an IR drop, and may not be varied with a threshold voltage (Vth) shift of a thin-film-transistor (TFT) configured for driving the OLED. Accordingly, brightness uniformity of an OLED display applying the same can be substantially improved.

摘要翻译： 本发明提供有机发光二极管（OLED）像素电路。 如果其电路配置（5T2C）与合适的操作波形配合，那么在受到IR降低的电源电压（Vdd）影响的情况下，OLED像素电路中流过OLED的电流可能不会改变，并且可能不会随着 配置用于驱动OLED的薄膜晶体管（TFT）的阈值电压（Vth）移位。 因此，可以显着提高应用其的OLED显示器的亮度均匀性。

公开(公告)号：US20130088474A1

公开(公告)日：2013-04-11

申请号：US13645441

申请日：2012-10-04

申请人： Wen-Chun Wang ,  Hsi-Rong Han ,  Wen-Tui Liao ,  Chih-Hung Huang ,  Tsung-Yu Wang

发明人： Wen-Chun Wang ,  Hsi-Rong Han ,  Wen-Tui Liao ,  Chih-Hung Huang ,  Tsung-Yu Wang

IPC分类号： H05B37/02 ,  G09G3/30 ,  G06F3/038

CPC分类号： G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/045

摘要： A pixel circuit related to an organic light emitting diode (OLED) is provided, and if a circuit configuration (5T1C) thereof collocates with suitable operation waveforms, a current flowing through an OLED in the OLED pixel circuit is not varied along with a threshold voltage (Vth) shift of a TFT used for driving the OLED. Accordingly, the brightness uniformity of the applied OLED display is substantially improved.

摘要翻译： 提供了与有机发光二极管（OLED）相关的像素电路，并且如果其电路配置（5T1C）与适当的操作波形配合，则在OLED像素电路中流过OLED的电流不会随着阈值电压而变化 用于驱动OLED的TFT（Vth）位移。 因此，应用的OLED显示器的亮度均匀性显着提高。

公开(公告)号：US06847340B2

公开(公告)日：2005-01-25

申请号：US10222528

申请日：2002-03-16

申请人： Wen-Chun Wang ,  Wen-Tui Liao ,  Chien-Chung Kuo ,  Hsi-Rong Han

发明人： Wen-Chun Wang ,  Wen-Tui Liao ,  Chien-Chung Kuo ,  Hsi-Rong Han

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3233 ,  G09G3/3275 ,  G09G3/3291 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/043

摘要： The present invention relates to an uniformly active light emitting diode drive circuit. This invention provides a 3T1C circuit structure in the emitting pixel and an additional data capacitors connecting to all the pixels are picked out and located on one side of the display panel. In addition, the connecting lines to the OLED on every pixel are all collected to one end of a transistor Moc on the other side of the display panel. Through the arrangement, it is intended that the aperture ratio of the organic electroluminescent (OLED) device can be largely improved. Moreover, an additional by-pass current transistor in parallel with data capacitor (Cd) in a data generator region outside of the pixel array can by-pass the previous left current in the circuit and thus enhance the contrast ratio of the emitting pixel.

摘要翻译： 本发明涉及均匀有效的发光二极管驱动电路。 本发明提供了发射像素中的3T1C电路结构，并且连接到所有像素的附加数据电容器被拾取并位于显示面板的一侧。 此外，在每个像素上的到OLED的连接线都被收集到显示面板另一侧的晶体管Moc的一端。 通过这种布置，可以大大提高有机电致发光（OLED）器件的开口率。 此外，在像素阵列外的数据发生器区域中与数据电容器（Cd）并联的附加旁路电流晶体管可以绕过电路中的先前的左电流，从而提高发射像素的对比度。

公开(公告)号：US07218296B2

公开(公告)日：2007-05-15

申请号：US10802747

申请日：2004-03-18

申请人： Wen-Chun Wang ,  Chien-Chung Kuo ,  Shin-Tai Lo ,  Hsi-Rong Han ,  Wen-Tui Liao

发明人： Wen-Chun Wang ,  Chien-Chung Kuo ,  Shin-Tai Lo ,  Hsi-Rong Han ,  Wen-Tui Liao

IPC分类号： G09G3/32

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

摘要： A driving circuit of active matrix organic electroluminescence diode is disclosed. Each pixel includes three TFTs and two capacitors. A gate of scan reset TFT is controlled by the scan line of the row where the pixel is located and a drain of scan reset TFT is connected to the data line of the column where the pixel is situated. Detect TFT is controlled by one Threshold-Lock line. One capacitor Cd is used to store data voltage (Vdata) of image signals and the other capacitor Ct is used to store the threshold voltage (Vth) of driving TFT. Therefore, the sum of capacitors Cd and Ct will drive the driving TFT to output the corresponding current to the organic electroluminescence element.

摘要翻译： 公开了一种有源矩阵有机电致发光二极管的驱动电路。 每个像素包括三个TFT和两个电容。 扫描复位TFT的栅极由像素所在的行的扫描线控制，扫描复位TFT的漏极连接到像素所在的列的数据线。 检测TFT由一个阈值锁定线控制。 一个电容器Cd用于存储图像信号的数据电压（Vdata），另一个电容器Ct用于存储驱动TFT的阈值电压（Vth）。 因此，电容器Cd和Ct的总和将驱动驱动TFT以将相应的电流输出到有机电致发光元件。

公开(公告)号：US20050206591A1

公开(公告)日：2005-09-22

申请号：US10802747

申请日：2004-03-18

申请人： Wen-Chun Wang ,  Chien-Chung Kuo ,  Shin-Tai Lo ,  Hsi-Rong Han ,  Wen-Tui Liao

发明人： Wen-Chun Wang ,  Chien-Chung Kuo ,  Shin-Tai Lo ,  Hsi-Rong Han ,  Wen-Tui Liao

IPC分类号： G09G3/30 ,  G09G3/32

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

摘要： A driving circuit of active matrix organic electroluminescence diode is disclosed. Each pixel includes three TFTs and two capacitors. A gate of scan reset TFT is controlled by the scan line of the row where the pixel is located and a drain of scan reset TFT is connected to the data line of the column where the pixel is situated. Detect TFT is controlled by one Threshold-Lock line. One capacitor Cd is used to store data voltage (Vdata) of image signals and the other capacitor Ct is used to store the threshold voltage (Vth) of driving TFT. Therefore, the sum of capacitors Cd and Ct will drive the driving TFT to output the corresponding current to the organic electroluminescence element.

摘要翻译： 公开了一种有源矩阵有机电致发光二极管的驱动电路。 每个像素包括三个TFT和两个电容。 扫描复位TFT的栅极由像素所在的行的扫描线控制，扫描复位TFT的漏极连接到像素所在的列的数据线。 检测TFT由一个阈值锁定线控制。 一个电容器Cd用于存储图像信号的数据电压（Vdata），另一个电容器Ct用于存储驱动TFT的阈值电压（Vth）。 因此，电容器Cd和Ct的总和将驱动驱动TFT以将相应的电流输出到有机电致发光元件。

公开(公告)号：US20120306843A1

公开(公告)日：2012-12-06

申请号：US13484203

申请日：2012-05-30

申请人： Wen-Chun Wang ,  Wen-Tui Liao ,  Tsung-Yu Wang ,  Chih-Hung Huang

发明人： Wen-Chun Wang ,  Wen-Tui Liao ,  Tsung-Yu Wang ,  Chih-Hung Huang

IPC分类号： G09G5/00 ,  G09G3/30

CPC分类号： G09G3/3258 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2360/16

摘要： A pixel circuit comprises a driving transistor, an electroluminescent unit, a pre-write unit, and a write unit. The electroluminescent unit is controlled by the driving transistor to illuminate in a drive period. The write unit is enabled in a write period recording a data voltage relating to an initial threshold voltage of the electroluminescent unit in first storage element. The pre-write unit is enabled in a pre-write period recording a threshold voltage of the driving transistor and the electroluminescent unit in second storage element. The threshold voltage and the data voltage, stored in the first and the second storage units, are supplied as a gate-source voltage of the driving transistor, so as to provide a compensated drive voltage, capable of compensating the variation of the threshold voltages of the driving transistor and the electroluminescent unit, driving the electroluminescent unit.

摘要翻译： 像素电路包括驱动晶体管，电致发光单元，预写单元和写单元。 电致发光单元由驱动晶体管控制，以在驱动周期内照亮。 写入单元在写入周期中被使能，该写入周期记录与第一存储元件中的电致发光单元的初始阈值电压有关的数据电压。 预写单元在预写入周期中被使能，其将驱动晶体管和电致发光单元的阈值电压记录在第二存储元件中。 存储在第一和第二存储单元中的阈值电压和数据电压作为驱动晶体管的栅极 - 源极电压提供，以提供补偿的驱动电压，能够补偿阈值电压 驱动晶体管和电致发光单元，驱动电致发光单元。

公开(公告)号：US20120274622A1

公开(公告)日：2012-11-01

申请号：US13458295

申请日：2012-04-27

申请人： Hyley H. Huang ,  Wen-Chun Wang ,  Wen-Tui Liao ,  Tsung-Yu Wang ,  Chih-Hung Huang

发明人： Hyley H. Huang ,  Wen-Chun Wang ,  Wen-Tui Liao ,  Tsung-Yu Wang ,  Chih-Hung Huang

IPC分类号： G09G3/30 ,  G06F3/038

CPC分类号： G09G5/10 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045

摘要： An organic light emitting diode (OLED) pixel circuit includes a driving node, a pixel driving unit, an electroluminescent device, and a compensation unit. The pixel driving unit is coupled to a data line receiving a data voltage and provides a driving voltage to the driving node. The display electroluminescent device is coupled to the driving node for illuminating in response to the driving voltage, wherein the level of the driving voltage is related to an aging factor voltage, corresponding to a usage time of the display electroluminescent device. The compensation unit, including a compensation electroluminescent device, is couple to the driving node and drives the compensation electroluminescent device to illuminate in response to the driving voltage, so as to compensate the aging decay of the display electroluminescent device with the electroluminescent compensation unit.

摘要翻译： 有机发光二极管（OLED）像素电路包括驱动节点，像素驱动单元，电致发光器件和补偿单元。 像素驱动单元耦合到接收数据电压的数据线，并向驱动节点提供驱动电压。 显示电致发光器件响应于驱动电压耦合到驱动节点进行照明，其中驱动电压的电平与显示电致发光器件的使用时间对应的老化因子电压相关。 包括补偿电致发光器件的补偿单元耦合到驱动节点并且驱动补偿电致发光器件以响应于驱动电压进行照明，以便用电致发光补偿单元补偿显示电致发光器件的老化衰减。