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61. 发明授权

US08378938B2 Method and system for programming and driving active matrix light emitting device pixel having a controllable supply voltage 有权
公开(公告)号：US08378938B2
公开(公告)日：2013-02-19
申请号：US13243065
申请日：2011-09-23
申请人： Arokia Nathan , Gholamreza Chaji , Peyman Servati
发明人： Arokia Nathan , Gholamreza Chaji , Peyman Servati
IPC分类号： G09G3/30
CPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3696 , G09G2300/0465 , G09G2300/0842 , G09G2300/0852 , G09G2310/0262 , G09G2310/06 , G09G2310/061 , G09G2320/043
摘要： Method and system for programming and driving active matrix light emitting device pixel is provided. The pixel is a voltage programmed pixel circuit, and has a light emitting device, a driving transistor and a storage capacitor. The pixel has a programming cycle having a plurality of operating cycles, and a driving cycle. During the programming cycle, the voltage of the connection between the OLED and the driving transistor is controlled so that the desired gate-source voltage of a driving transistor is stored in a storage capacitor.

62. 发明授权

US08358299B2 Low power circuit and driving method for emissive displays 有权
标题翻译：低功率电路和发射显示器的驱动方法
公开(公告)号：US08358299B2
公开(公告)日：2013-01-22
申请号：US12633209
申请日：2009-12-08
申请人： G. Reza Chaji , Arokia Nathan
发明人： G. Reza Chaji , Arokia Nathan
IPC分类号： G09G5/00 , G09G3/30
CPC分类号： G09G3/3233 , G09G3/3283 , G09G3/3291 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2310/0259 , G09G2310/0262 , G09G2310/027 , G09G2310/066 , G09G2320/0233 , G09G2320/043 , G09G2330/021 , G09G2330/023
摘要： A display system, a driver for driving the display array, method of operating the display system and a pixel circuit in the display system are provided. The driver includes: a bidirectional current source having a convertor coupling to a time-variant voltage, for converting the time-variant voltage to the current. The pixel circuit includes: a transistor for providing a pixel current to a light emitting device; and a storage capacitor electrically coupling to the transistor, the capacitor coupling to a time-variant voltage in a predetermined timing for providing a current based on the time-variant voltage. The method includes: in a first cycle in a programming operation, changing a time-variant voltage provided to a storage capacitor in a pixel circuit, from a reference voltage to a programming voltage, the storage capacitor electrically coupling to a driving transistor for driving a light emitting device; and in a second cycle in the programming operation, maintaining the time-variant voltage at the programming voltage. The method includes: in a programming operation, providing programming data to a pixel circuit from a data line, the pixel circuit including a transistor coupling to the data line and a storage capacitor; and in a driving operation, providing, to the storage capacitor in the pixel circuit via a power supply line, a time-variant voltage for turning on a light emitting device. The pixel circuit, which includes: an organic light emitting diode (OLED) device having an electrode and an OLED layer; and an inter-digitated capacitor having a plurality of layers.
摘要翻译：提供了一种显示系统，用于驱动显示阵列的驱动器，操作显示系统的方法和显示系统中的像素电路。驱动器包括：具有耦合到时变电压的转换器的双向电流源，用于将时变电压转换为电流。像素电路包括：用于向发光器件提供像素电流的晶体管; 以及电耦合到所述晶体管的存储电容器，所述电容器在预定定时耦合到时变电压，以基于所述时变电压提供电流。该方法包括：在编程操作的第一周期中，将提供给像素电路中的存储电容器的时变电压从参考电压改变为编程电压，所述存储电容器电耦合到驱动晶体管，用于驱动发光装置; 并且在编程操作的第二周期中，将时变电压维持在编程电压。该方法包括：在编程操作中，从数据线向像素电路提供编程数据，所述像素电路包括耦合到数据线的晶体管和存储电容器; 并且在驱动操作中，经由电源线向像素电路中的存储电容器提供用于导通发光器件的时变电压。像素电路，其包括：具有电极和OLED层的有机发光二极管（OLED）器件; 以及具有多个层的数字间电容器。

63. 发明授权

US08314783B2 Method and system for calibrating a light emitting device display 有权
标题翻译：用于校准发光器件显示器的方法和系统
公开(公告)号：US08314783B2
公开(公告)日：2012-11-20
申请号：US11291301
申请日：2005-12-01
申请人： Sanjiv Sambandan , Peyman Servati , Arokia Nathan
发明人： Sanjiv Sambandan , Peyman Servati , Arokia Nathan
IPC分类号： G09G5/00
CPC分类号： G09G3/3233 , G09G3/3291 , G09G2300/0417 , G09G2300/0842 , G09G2320/0233 , G09G2320/029 , G09G2320/0693
摘要： A method and system for calibrating a light emitting device display is provided. The display includes a plurality of pixel circuits, each having a light emitting device. The system for the calibration monitors current drawn from a row of the display array, and generates a correction parameter to correct brightness level of the light emitting device.
摘要翻译：提供了用于校准发光器件显示器的方法和系统。显示器包括多个像素电路，每个具有发光器件。用于校准的系统监视从显示阵列的行绘制的电流，并且产生校正参数以校正发光器件的亮度水平。

64. 发明授权

US08044893B2 Voltage programmed pixel circuit, display system and driving method thereof 有权
标题翻译：电压编程像素电路，显示系统及其驱动方法
公开(公告)号：US08044893B2
公开(公告)日：2011-10-25
申请号：US11341332
申请日：2006-01-27
申请人： Arokia Nathan , Gholamreza Reza Chaji , Peyman Servati
发明人： Arokia Nathan , Gholamreza Reza Chaji , Peyman Servati
IPC分类号： G09G3/30
CPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G5/00 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2300/0866 , G09G2310/08 , G09G2320/043 , H01L27/124 , H01L27/3276
摘要： A voltage programmed pixel circuit, display system having the pixel circuit and driving method thereof is provided. The pixel circuit includes a light emitting device, a driving transistor connected to the light emitting device and a programming circuit. The programming circuit adjusts a pixel current during a programming cycle of the pixel circuit.
摘要翻译：提供了一种电压编程像素电路，具有像素电路的显示系统及其驱动方法。像素电路包括发光器件，连接到发光器件的驱动晶体管和编程电路。编程电路在像素电路的编程周期期间调整像素电流。

65. 发明授权

US07978187B2 Circuit and method for driving an array of light emitting pixels 有权
标题翻译：用于驱动发光像素阵列的电路和方法
公开(公告)号：US07978187B2
公开(公告)日：2011-07-12
申请号：US10554754
申请日：2004-07-23
申请人： Arokia Nathan , Yuriy Vygranenko , Shahin Jafarabadiashtiani , Peyman Servati
发明人： Arokia Nathan , Yuriy Vygranenko , Shahin Jafarabadiashtiani , Peyman Servati
IPC分类号： G09G5/00
CPC分类号： G09G3/3241 , G09G3/325 , G09G3/3266 , G09G3/3283 , G09G2300/0417 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2320/0646 , H05B33/0896 , H05B37/0209
摘要： A technique for driving a column of pixels that include light emitting elements. The technique incorporates feedback data provided from feedback data sources connected to the data line and to feedback line of the array, pixel driving circuit with feedback path. The technique can also include block of the reference elements for input signal corrections.
摘要翻译：一种用于驱动包括发光元件的像素列的技术。该技术包括从连接到数据线的反馈数据源和阵列的反馈线提供的反馈数据，具有反馈路径的像素驱动电路。该技术还可以包括用于输入信号校正的参考元件的块。

66. 发明申请

US20110128262A1 HIGH RESOLUTION PIXEL ARCHITECTURE 有权
标题翻译：高分辨率像素架构
公开(公告)号：US20110128262A1
公开(公告)日：2011-06-02
申请号：US12958035
申请日：2010-12-01
申请人： Gholamreza Chaji , Vasudha Gupta , Arokia Nathan
发明人： Gholamreza Chaji , Vasudha Gupta , Arokia Nathan
IPC分类号： G09G5/00 , H01J1/62 , F21V7/00
CPC分类号： H01L27/3262 , G09G3/3233 , G09G2300/0426 , G09G2300/0439 , H01L27/3213 , H01L27/326 , H01L51/5271
摘要： A high resolution pixel using organic light emitting devices (OLEDs) in a staggered arrangement to increase aperture ratio is disclosed. The arrangement may be used with both bottom and top emission type pixels. The arrangement includes a first organic light emitting device emitting light of a first color. A second organic light emitting device emitting light of a second color is located in a bottom row under the first organic light emitting device. A third organic light emitting device emitting light of a third color is located in a top row with the first organic light emitting device.
摘要翻译：公开了以交错布置来增加开口率的使用有机发光器件（OLED）的高分辨率像素。该布置可以与底部和顶部发射型像素一起使用。该装置包括发射第一种颜色的光的第一有机发光装置。发射第二种颜色的光的第二有机发光器件位于第一有机发光器件下方的底行中。发射第三种颜色的光的第三有机发光器件与第一有机发光器件位于顶行。

67. 发明授权

US07948170B2 Pixel having an organic light emitting diode and method of fabricating the pixel 有权
标题翻译：具有有机发光二极管的像素和制造像素的方法
公开(公告)号：US07948170B2
公开(公告)日：2011-05-24
申请号：US10546695
申请日：2004-02-24
申请人： Denis Striakhilev , Arokia Nathan , Yuri Vygranenko , Sheng Tao
发明人： Denis Striakhilev , Arokia Nathan , Yuri Vygranenko , Sheng Tao
IPC分类号： H01J1/62 , H01J9/24
CPC分类号： H01L27/3248 , H01L27/124 , H01L27/1248 , H01L27/3246 , H01L27/3258 , H01L27/3262 , H01L27/3272 , H01L27/3276 , H01L51/5234 , H01L51/56 , H01L2227/323 , H01L2251/5315
摘要： A pixel having an organic light emitting diode (OLED) and method for fabricating the pixel is provided. A planarization dielectric layer is provided between a thin-film transistor (TFT) based backplane and OLED layers. A through via between the TFT backplane and the OLED layers forms a sidewall angle of less than 90 degrees to the TFT backplane. The via area and edges of an OLED bottom electrode pattern may be covered with a dielectric cap.
摘要翻译：提供了具有有机发光二极管（OLED）的像素和用于制造像素的方法。在基于薄膜晶体管（TFT）的背板和OLED层之间提供平坦化介电层。 TFT背板和OLED层之间的通孔与TFT背板形成小于90度的侧壁角。 OLED底部电极图案的通孔区域和边缘可被绝缘盖覆盖。

68. 发明申请

US20110109299A1 Stable Fast Programming Scheme for Displays 有权
标题翻译：显示器的稳定快速编程方案
公开(公告)号：US20110109299A1
公开(公告)日：2011-05-12
申请号：US12944491
申请日：2010-11-11
申请人： Gholamreza Chaji , Arokia Nathan
发明人： Gholamreza Chaji , Arokia Nathan
IPC分类号： G01R19/00
CPC分类号： G09G5/18 , G09G3/3225 , G09G3/3283 , G09G3/3291 , G09G2300/0465 , G09G2300/0814 , G09G2300/0819 , G09G2300/0852 , G09G2310/0218 , G09G2310/0262 , G09G2320/0233 , G09G2320/0693
摘要： A technique for improving the spatial and/or temporal uniformity of a light-emitting display by providing a faster calibration of reference current sources and reducing the noise effect by improving the dynamic range, despite instability and non-uniformity of the transistor devices. A calibration circuit for a display panel having an active area having a plurality of light emitting devices arranged on a substrate, and a peripheral area of the display panel separate from the active area is provided. The calibration circuit includes a first row of calibration current source or sink circuits and a second row of calibration current source or sink circuits. A first calibration control line is configured to cause the first row of calibration current source or sink circuits to calibrate the display panel with a bias current while the second row of calibration current source or sink circuits is being calibrated by a reference current. A second calibration control line is configured to cause the second row of calibration current source or sink circuits to calibrate the display panel with the bias current while the first row of calibration current source or sink circuits is being calibrated by the reference current.
摘要翻译：一种用于通过提供参考电流源的更快校准并且尽管晶体管器件的不稳定性和不均匀性来改善动态范围来降低噪声效应来改善发光显示器的空间和/或时间均匀性的技术。提供一种用于显示面板的校准电路，其具有布置在基板上的多个发光器件的有源区域和与有源区域分离的显示面板的周边区域。校准电路包括第一排校准电流源或吸收电路和第二排校准电流源或吸收电路。第一校准控制线被配置成使得第一行校准电流源或吸收电路用偏置电流校准显示面板，而第二行校准电流源或吸收电路由参考电流校准。第二校准控制线被配置为使得第二行校准电流源或吸收电路用偏置电流校准显示面板，同时第一行校准电流源或吸收电路由参考电流校准。

69. 发明申请

US20110012883A1 METHOD AND SYSTEM FOR PROGRAMMING AND DRIVING ACTIVE MATRIX LIGHT EMITTING DEVICE PIXEL 有权
标题翻译：用于编程和驱动主动矩阵发光器件像素的方法和系统
公开(公告)号：US20110012883A1
公开(公告)日：2011-01-20
申请号：US12851652
申请日：2010-08-06
申请人： Arokia Nathan , Gholamreza Reza Chaji , Peyman Servati
发明人： Arokia Nathan , Gholamreza Reza Chaji , Peyman Servati
IPC分类号： G09G5/00
CPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3696 , G09G2300/0465 , G09G2300/0842 , G09G2300/0852 , G09G2310/0262 , G09G2310/06 , G09G2310/061 , G09G2320/043
摘要： Method and system for programming and driving active matrix light emitting device pixel is provided. The pixel is a voltage programmed pixel circuit, and has a light emitting device, a driving transistor and a storage capacitor. The pixel has a programming cycle having a plurality of operating cycles, and a driving cycle. During the programming cycle, the voltage of the connection between the OLED and the driving transistor is controlled so that the desired gate-source voltage of a driving transistor is stored in a storage capacitor.
摘要翻译：提供了编程和驱动有源矩阵发光器件像素的方法和系统。像素是电压编程像素电路，并且具有发光器件，驱动晶体管和存储电容器。像素具有具有多个操作周期的编程周期和驱动周期。在编程周期期间，控制OLED和驱动晶体管之间的连接电压，使得驱动晶体管的期望的栅极 - 源极电压被存储在存储电容器中。

70. 发明申请

US20100207920A1 LOW POWER CIRCUIT AND DRIVING METHOD FOR EMISSIVE DISPLAYS 有权
标题翻译：低功率电路和驱动方法用于EMISSIVE显示器
公开(公告)号：US20100207920A1
公开(公告)日：2010-08-19
申请号：US12633209
申请日：2009-12-08
申请人： G. Reza Chaji , Arokia Nathan
发明人： G. Reza Chaji , Arokia Nathan
IPC分类号： G09G5/00 , G09G3/30
CPC分类号： G09G3/3233 , G09G3/3283 , G09G3/3291 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2310/0259 , G09G2310/0262 , G09G2310/027 , G09G2310/066 , G09G2320/0233 , G09G2320/043 , G09G2330/021 , G09G2330/023
摘要： A display system, a driver for driving the display array, method of operating the display system and a pixel circuit in the display system are provided. The driver includes: a bidirectional current source having a convertor coupling to a time-variant voltage, for converting the time-variant voltage to the current. The pixel circuit includes: a transistor for providing a pixel current to a light emitting device; and a storage capacitor electrically coupling to the transistor, the capacitor coupling to a time-variant voltage in a predetermined timing for providing a current based on the time-variant voltage. The method includes: in a first cycle in a programming operation, changing a time-variant voltage provided to a storage capacitor in a pixel circuit, from a reference voltage to a programming voltage, the storage capacitor electrically coupling to a driving transistor for driving a light emitting device; and in a second cycle in the programming operation, maintaining the time-variant voltage at the programming voltage. The method includes: in a programming operation, providing programming data to a pixel circuit from a data line, the pixel circuit including a transistor coupling to the data line and a storage capacitor; and in a driving operation, providing, to the storage capacitor in the pixel circuit via a power supply line, a time-variant voltage for turning on a light emitting device. The pixel circuit, which includes: an organic light emitting diode (OLED) device having an electrode and an OLED layer; and an inter-digitated capacitor having a plurality of layers.
摘要翻译：提供了一种显示系统，用于驱动显示阵列的驱动器，操作显示系统的方法和显示系统中的像素电路。驱动器包括：具有耦合到时变电压的转换器的双向电流源，用于将时变电压转换为电流。像素电路包括：用于向发光器件提供像素电流的晶体管; 以及电耦合到所述晶体管的存储电容器，所述电容器在预定定时耦合到时变电压，以基于所述时变电压提供电流。该方法包括：在编程操作的第一周期中，将提供给像素电路中的存储电容器的时变电压从参考电压改变为编程电压，所述存储电容器电耦合到驱动晶体管，用于驱动发光装置; 并且在编程操作的第二周期中，将时变电压维持在编程电压。该方法包括：在编程操作中，从数据线向像素电路提供编程数据，所述像素电路包括耦合到数据线的晶体管和存储电容器; 并且在驱动操作中，经由电源线向像素电路中的存储电容器提供用于导通发光器件的时变电压。像素电路，其包括：具有电极和OLED层的有机发光二极管（OLED）器件; 以及具有多个层的数字间电容器。

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