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    • 1. 发明申请
    • Multi-line addressing methods and apparatus
    • 多行寻址方法和装置
    • US20070085779A1
    • 2007-04-19
    • US10578941
    • 2005-09-29
    • Euan SmithPaul RoutleyJonathan Halls
    • Euan SmithPaul RoutleyJonathan Halls
    • G09G3/30
    • G09G3/3216G09G3/2014G09G3/2022G09G5/02G09G2300/0452G09G2310/0208G09G2310/0297G09G2310/04G09G2310/06G09G2320/043G09G2330/021
    • This invention relates to methods and apparatus for driving emissive, in particular organic light emitting diodes (OLED) displays using multi-line addressing (MLA) techniques. Embodiments of the invention are particularly suitable for use with so-called passive matrix OLED displays. A method of driving an emissive display, the display comprising a plurality of pixels each addressable by a row electrode and a column electrode, the method comprising: driving a plurality of said column electrodes with a first set of column drive signals; and driving two or more of said row electrodes with a first set of forward bias row drive signals at the same time as said column electrode driving with said column drive signals; then driving said plurality of column electrodes with a second and subsequent sets of column drive signals; and driving said two or more row electrodes with a second and subsequent sets of forward bias row drive signals at the same time as said column electrode driving with said second column drive signals.
    • 本发明涉及使用多线寻址(MLA)技术来驱动发光的方法和装置,特别是有机发光二极管(OLED)显示器。 本发明的实施例特别适用于所谓的无源矩阵OLED显示器。 一种驱动发光显示器的方法,所述显示器包括可由行电极和列电极寻址的多个像素,所述方法包括:用第一组列驱动信号驱动多个所述列电极; 以及在与所述列驱动信号一起驱动的所述列电极的同时,用第一组正向偏置行驱动信号驱动所述行电极中的两个或更多个; 然后用第二和随后的列驱动信号组驱动所述多个列电极; 以及在与所述列电极驱动与所述第二列驱动信号同时的同时,驱动所述两个或更多个行电极与第二组和后续组的正向偏置行驱动信号。
    • 5. 发明申请
    • Display drivers
    • 显示驱动程序
    • US20050007320A1
    • 2005-01-13
    • US10493127
    • 2002-10-23
    • Euan SmithPaul Routley
    • Euan SmithPaul Routley
    • H05B33/08G09G3/20G09G3/30G09G3/32H01L51/50G05F1/00G09G3/10H03K3/00H05B41/16
    • G09G3/3233G09G2300/0417G09G2300/0819G09G2300/0842G09G2300/088G09G2320/045G09G2360/148
    • Display driver circuitry for electro-optic displays, in particular active matrix displays using organic light emitting diodes. The circuitry includes a driver to drive an electro-optic display element in accordance with a drive voltage, a photosensitive device optically coupled to the electro-optic display element to pass a current dependent upon illumination reaching photosensitive device, a control circuit having a control line coupled to the driver to control the brightness of the electro-optic display element and having a current sense input coupled to the photosensitive device, a current set line for coupling to a reference current generator, and a display element select line to, when active, cause the control circuit to drive the electro-optic display element in accordance with the current set by the reference current generator. The circuit provides improved control of an electro-display element such as an organic LED pixel.
    • 显示电光显示器的驱动电路,特别是使用有机发光二极管的有源矩阵显示器。 该电路包括驱动器以根据驱动电压驱动电光显示元件;光学装置,其光耦合到电光显示元件,以使依赖于到达光敏器件的照明传递电流;控制电路,具有控制线 耦合到所述驱动器以控制所述电光显示元件的亮度并且具有耦合到所述感光装置的电流感测输入,用于耦合到参考电流发生器的电流设定线以及当被激活时的显示元件选择线, 使得控制电路根据由参考电流发生器设定的电流驱动电光显示元件。 电路提供对诸如有机LED像素的电显示元件的改进的控制。
    • 7. 发明申请
    • Multi-line addressing methods and apparatus
    • 多行寻址方法和装置
    • US20070046603A1
    • 2007-03-01
    • US10578822
    • 2005-09-29
    • Euan SmithPaul Routley
    • Euan SmithPaul Routley
    • G09G3/36
    • G09G3/3216G09G3/2014G09G3/2022G09G5/02G09G2300/0452G09G2310/021G09G2310/0297G09G2310/04G09G2310/06G09G2330/021
    • This invention relates to methods and apparatus for driving electroluminescent, in particular organic light emitting diodes (OLED) displays using multi-ling addressing (MLA) techniques. Embodiments of the invention are particularly suitable for use with so-called passive matrix OLED displays. A current generator for an electroluminescent display driver, the current generator including: a first, reference current input to receive a reference current; a second, ratioed current input to receive a ratioed current; a first ratio control input to receive a first control signal input; a controllable current mirror having a control input coupled to said first ratio control input, a current input coupled to said reference current input, and an output coupled to said ratioed current input; said current generator being configured such that a signal and said control input controls a ratio of said ratioed current to said reference current.
    • 本发明涉及使用多层寻址(MLA)技术驱动电致发光,特别是有机发光二极管(OLED)显示器的方法和装置。 本发明的实施例特别适用于所谓的无源矩阵OLED显示器。 一种用于电致发光显示驱动器的电流发生器,所述电流发生器包括:第一参考电流输入端,用于接收参考电流; 第二个比例电流输入,以接收比率电流; 第一比率控制输入,用于接收第一控制信号输入; 可控电流镜,其具有耦合到所述第一比率控制输入的控制输入,耦合到所述参考电流输入的电流输入和耦合到所述比例电流输入的输出; 所述电流发生器被配置为使得信号和所述控制输入控制所述比值电流与所述参考电流的比率。
    • 8. 发明申请
    • Display driver circuits for electroluminescent displays, using constant current generators
    • 显示电致发光显示器的驱动电路,使用恒流发生器
    • US20060001613A1
    • 2006-01-05
    • US10518286
    • 2003-06-12
    • Paul RoutleyEuan Smith
    • Paul RoutleyEuan Smith
    • G09G3/30
    • G09G3/3216G09G3/2011G09G3/2014G09G3/3283G09G2320/043G09G2330/021
    • Display driver circuits for driving an organic light emitting diode display, particularly a passive matrix display with greater efficiency are described. The display includes at least one electroluminescent display element, and the driver includes at least one substantially constant current generator for driving the display element. The display driver control circuitry includes a drive voltage sensor for sensing a voltage on a first line in which the current is regulated by the constant current generator; and a voltage controller coupled to the drive voltage sensor for controlling the voltage of a supply for the constant current generator in response to said sensed voltage, and configured to control the supply voltage to increase the efficiency of said display driver.
    • 描述用于驱动有机发光二极管显示器的显示驱动电路,特别是具有更高效率的无源矩阵显示器。 所述显示器包括至少一个电致发光显示元件,并且所述驱动器包括用于驱动所述显示元件的至少一个基本恒定的电流发生器。 显示驱动器控制电路包括驱动电压传感器,用于感测电流由恒定电流发生器调节的第一线上的电压; 以及电压控制器,其耦合到所述驱动电压传感器,用于响应于所述感测的电压来控制所述恒定电流发生器的电源的电压,并且被配置为控制所述电源电压以增加所述显示驱动器的效率。
    • 9. 发明申请
    • Display driver circuits for organic light emitting diode displays with skipping of blank lines
    • 显示带有空白线的有机发光二极管显示器的驱动电路
    • US20050219163A1
    • 2005-10-06
    • US10512379
    • 2003-04-22
    • Euan SmithPaul RoutleyWilliam Goodchild
    • Euan SmithPaul RoutleyWilliam Goodchild
    • G09G3/30G09G3/32
    • G09G3/3216G09G2310/0213G09G2310/04G09G2320/0209G09G2330/021G09G2360/18
    • Display driver circuits are described for driving organic light-emitting diode displays, particularly passive matrix displays, with greater efficiency. Display driver circuitry includes a frame memory interface for reading data from a frame memory for presentation on a passive matrix OLED display. A blank line identifier identifies one or more substantially blank rows of pixels defined by the data in the frame memory and the control circuitry skips past these rows when the passive matrix display is addressed. When blank lines are skipped the apparent brightness of the remaining lines increases and thus preferably the control circuitry includes a power-controller for reducing a power supply to the display in proportion to the number of skipped lines. The disclosed circuitry is particularly suited to a display driver providing a controlled current drive.
    • 描述显示驱动器电路用于以更高的效率驱动有机发光二极管显示器,特别是无源矩阵显示器。 显示器驱动器电路包括用于从帧存储器读取数据以呈现在无源矩阵OLED显示器上的帧存储器接口。 空白行标识符识别由帧存储器中的数据定义的一个或多个基本空白行的像素,并且当无源矩阵显示被寻址时,控制电路跳过这些行。 当空白行被跳过时,剩余行的表观亮度增加,因此优选地,控制电路包括功率控制器,用于与跳过的行数成比例地减少对显示器的电力供应。 所公开的电路特别适用于提供受控电流驱动器的显示驱动器。
    • 10. 发明申请
    • Display driver circuits
    • 显示驱动电路
    • US20060038758A1
    • 2006-02-23
    • US10518182
    • 2003-06-11
    • Paul RoutleyEuan Smith
    • Paul RoutleyEuan Smith
    • G09G3/30
    • G09G3/3233G09G3/325G09G3/3291G09G2300/0417G09G2300/0819G09G2300/0842G09G2300/088G09G2320/029G09G2320/045G09G2330/021G09G2360/148
    • This disclosure generally relates to display driver circuits for electro-optic displays, and more particularly relates to circuits and methods for driving active matrix organic light emitting diode displays with greater efficiency. A display driver for an electroluminescent display, the display including a plurality of electroluminescent display elements each associated with a display element driver circuit, each display element driver circuit including a drive transistor having a control connection for driving the associated display element in accordance with a voltage on the control connection, the display driver including at least one display element brightness controller to provide an output to drive a control connection to control the electroluminescent output from a display element; a voltage sensor to sense the voltage on a control connection; and a power controller for controlling an adjustable power supply for providing an adjustable voltage to the electroluminescent display to power said drive transistors for driving said display elements, the power controller being configured to provide a control signal to adjust said power supply voltage in response to said sensed voltage.
    • 本公开一般涉及用于电光显示器的显示器驱动器电路,更具体地涉及用于以更高效率驱动有源矩阵有机发光二极管显示器的电路和方法。 一种用于电致发光显示器的显示驱动器,所述显示器包括多个与显示元件驱动电路相关联的电致发光显示元件,每个显示元件驱动电路包括驱动晶体管,该驱动晶体管具有用于根据电压驱动相关显示元件的控制连接 在所述控制连接上,所述显示驱动器包括至少一个显示元件亮度控制器,以提供输出来驱动控制连接以控制来自显示元件的电致发光输出; 用于感测控制连接上的电压的电压传感器; 以及功率控制器,用于控制可调电源,以向电致发光显示器提供可调电压以为所述驱动晶体管供电,以驱动所述显示元件,所述功率控制器被配置为提供控制信号,以响应于所述电源电压调节所述电源电压 感应电压。