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1. 发明授权

US08736524B2 Method and system for programming, calibrating and driving a light emitting device display 有权
标题翻译：用于编程，校准和驱动发光器件显示器的方法和系统
公开(公告)号：US08736524B2
公开(公告)日：2014-05-27
申请号：US13568784
申请日：2012-08-07
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： G01R19/0092 , G09G3/006 , G09G3/3208 , G09G3/3233 , G09G3/3241 , G09G3/3258 , G09G3/3283 , G09G3/3291 , G09G2300/0819 , G09G2300/0842 , G09G2310/0262 , G09G2310/027 , G09G2320/0285 , G09G2320/029 , G09G2320/0295 , G09G2320/043 , G09G2320/045 , G09G2320/0693
摘要： A method and system for programming, calibrating and driving a light emitting device display is provided. The system may include extracting a time dependent parameter of a pixel for calibration.
摘要翻译：提供了一种用于编程，校准和驱动发光器件显示器的方法和系统。系统可以包括提取用于校准的像素的时间相关参数。

2. 发明授权

US08614652B2 System and driving method for light emitting device display 有权
标题翻译：发光元件显示系统及驱动方法
公开(公告)号：US08614652B2
公开(公告)日：2013-12-24
申请号：US12425734
申请日：2009-04-17
申请人： Arokia Nathan , G. Reza Chaji , Stefan Alexander
发明人： Arokia Nathan , G. Reza Chaji , Stefan Alexander
IPC分类号： G09G3/20 , G09G3/32
CPC分类号： H05B33/0896 , G09G3/3233 , G09G3/3241 , G09G3/3258 , G09G3/3283 , G09G3/3291 , G09G2300/043 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0262 , G09G2320/0252 , G09G2320/043 , G09G2320/045 , H05B33/083
摘要： A light emitting device display, its pixel circuit and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A bias current and programming voltage data are provided to the pixel circuit in accordance with a driving scheme so that the current through the driving transistor to the light emitting device is adjusted.
摘要翻译：提供发光器件显示器，其像素电路及其驱动技术。像素包括发光器件和多个晶体管。根据驱动方案将偏置电流和编程电压数据提供给像素电路，使得通过驱动晶体管到发光器件的电流被调节。

3. 发明授权

US08502751B2 Pixel driver circuit with load-balance in current mirror circuit 有权
标题翻译：像素驱动电路，在电流镜电路中具有负载平衡
公开(公告)号：US08502751B2
公开(公告)日：2013-08-06
申请号：US10554795
申请日：2004-09-23
申请人： Arokia Nathan , Kapil V. Sakariya , Peyman Servati , Shahin Jafarabadiashtiani
发明人： Arokia Nathan , Kapil V. Sakariya , Peyman Servati , Shahin Jafarabadiashtiani
IPC分类号： G09G3/30
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 pixel circuit for use in a display comprising a plurality of pixels is provided. The load-balanced current mirror pixel circuit can compensate for device degradation and/or mismatch, and changing environmental factors like temperature and mechanical strain. The pixel circuit comprises a pixel drive circuit comprising, switching circuitry, a current mirror having a reference transistor and a drive transistor, the reference transistor and the drive transistor each having a first and second node and a gate, the gate of the reference transistor being connected to the gate of the drive transistor; and a capacitor connected between the gate of the reference transistor and a ground potential, and a load connected between the current mirror and a ground potential, the load having a first load element and a second load element, the first load element being connected to the first node of the reference transistor and the second load element being connected to the first node of the drive transistor.
摘要翻译：提供了用于包括多个像素的显示器中的像素电路。负载平衡电流镜像素电路可以补偿器件劣化和/或失配，并改变环境因素，如温度和机械应变。像素电路包括像素驱动电路，其包括开关电路，具有参考晶体管和驱动晶体管的电流镜，所述参考晶体管和驱动晶体管各自具有第一和第二节点和栅极，所述参考晶体管的栅极为连接到驱动晶体管的栅极; 连接在参考晶体管的栅极和接地电位之间的电容器以及连接在电流反射镜和接地电位之间的负载，负载具有第一负载元件和第二负载元件，第一负载元件连接到参考晶体管的第一节点和第二负载元件连接到驱动晶体管的第一节点。

4. 发明授权

US08279143B2 OLED luminance degradation compensation 有权
标题翻译： OLED亮度降级补偿
公开(公告)号：US08279143B2
公开(公告)日：2012-10-02
申请号：US13179963
申请日：2011-07-11
申请人： Arokia Nathan , Gholamreza Chaji
发明人： Arokia Nathan , Gholamreza Chaji
IPC分类号： G09G3/30
CPC分类号： G09G3/3233 , G09G3/3241 , G09G3/3283 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233 , G09G2320/029 , G09G2320/0295 , G09G2320/041 , G09G2320/043 , G09G2320/045 , H05B33/0896
摘要： A system and method are disclosed for determining a pixel capacitance. The pixel capacitance is correlated to a pixel age to determine a current correction factor used for compensating the pixel drive current to account for luminance degradation of the pixel that results from the pixel aging.
摘要翻译：公开了一种用于确定像素电容的系统和方法。像素电容与像素年龄相关，以确定用于补偿像素驱动电流的当前校正因子，以解决由像素老化导致的像素的亮度劣化。

5. 发明授权

US08232939B2 Voltage-programming scheme for current-driven AMOLED displays 有权
标题翻译：电流驱动AMOLED显示器的电压编程方案
公开(公告)号：US08232939B2
公开(公告)日：2012-07-31
申请号：US13396375
申请日：2012-02-14
申请人： Arokia Nathan , Rick Huang , Stefan Alexander
发明人： Arokia Nathan , Rick Huang , Stefan Alexander
IPC分类号： G09G3/30
CPC分类号： G09G3/3233 , G09G3/3241 , G09G3/3283 , G09G3/3291 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2310/027 , G09G2320/0285 , G09G2320/0295 , G09G2320/043 , G09G2320/0693
摘要： A system and method for driving an AMOLED display is provided. The AMOLED display includes a plurality of pixel circuits. A voltage-programming scheme, a current-programming scheme or a combination thereof is applied to drive the display. Threshold shift information, and/or voltage necessary to obtain hybrid driving circuit may be acquired. A data sampling may be implemented to acquire a current/voltage relationship. A feedback operation may be implemented to correct the brightness of the pixel.
摘要翻译：提供了一种用于驱动AMOLED显示器的系统和方法。 AMOLED显示器包括多个像素电路。应用电压编程方案，电流编程方案或其组合来驱动显示器。可获取获得混合驱动电路所需的阈值偏移信息和/或电压。可以实现数据采样以获取电流/电压关系。可以实现反馈操作以校正像素的亮度。

6. 发明申请

US20120007842A1 METHOD AND SYSTEM FOR PROGRAMMING AND DRIVING ACTIVE MATRIX LIGHT EMITTING DEVICE PIXEL HAVING A CONTROLLABLE SUPPLY VOLTAGE 有权
标题翻译：用于编程和驱动具有可控电源电压的有源矩阵发光器件像素的方法和系统
公开(公告)号：US20120007842A1
公开(公告)日：2012-01-12
申请号：US13243065
申请日：2011-09-23
申请人： Arokia Nathan , Gholamreza Reza Chaji , Peyman Servati
发明人： Arokia Nathan , Gholamreza Reza Chaji , Peyman Servati
IPC分类号： G06F3/038
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。

7. 发明申请

US20110187906A1 GAIN ADJUSTABLE SENSOR PIXELS, ARRAYS AND ARRAY SYSTEMS AND METHODS THEREFOR 有权
标题翻译：增益可调传感器像素，阵列和阵列系统及其方法
公开(公告)号：US20110187906A1
公开(公告)日：2011-08-04
申请号：US12936930
申请日：2009-04-09
申请人： G. Reza Chaji , Arokia Nathan
发明人： G. Reza Chaji , Arokia Nathan
IPC分类号： H04N5/335
CPC分类号： H04N3/1512 , H01L27/14609 , H04N3/155 , H04N5/35518 , H04N5/374
摘要： A sensor pixel including a sensor, charge storage, a reset block having a reset input, readout block, and a charge leakage gain adjustment block having a gain adjustment control input. The sensor, charge storage, reset block, readout block, and charge leakage gain adjustment block are each operatively connected to a node. Adjusting the gain of a sensor pixel by storing charge from a sensor in a charge storage connected to a node, leaking charge from the charge storage to reduce the charge at a node, and reading out a state of the pixel represented by the charge of a node.
摘要翻译：包括传感器，电荷存储器，具有复位输入的复位块，读出块和具有增益调节控制输入的电荷泄漏增益调节块的传感器像素。传感器，电荷存储器，复位块，读出块和电荷泄漏增益调节块各自可操作地连接到节点。通过从连接到节点的电荷存储器中的传感器存储电荷来调节传感器像素的增益，从电荷存储泄漏电荷以减少节点处的电荷，并且读出由电荷的代表的像素的状态节点。

8. 发明申请

US20110141160A1 COMPENSATION TECHNIQUE FOR LUMINANCE DEGRADATION IN ELECTRO-LUMINANCE DEVICES 有权
标题翻译：电致发光器件中的发光降解补偿技术
公开(公告)号：US20110141160A1
公开(公告)日：2011-06-16
申请号：US12965610
申请日：2010-12-10
申请人： Arokia Nathan , G. Reza Chaji , Shahin Jafarabadiashtiani
发明人： Arokia Nathan , G. Reza Chaji , Shahin Jafarabadiashtiani
IPC分类号： G09G5/10 , G09G5/00
CPC分类号： G09G3/3233 , G09G3/3258 , G09G2300/0417 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , G09G2320/0252 , G09G2320/043 , G09G2320/045
摘要： A method and system for compensation for luminance degradation in electro-luminance devices is provided. The system includes a pixel circuit having a light emitting device, a storage capacitor, a plurality of transistors, and control signal lines to operate the pixel circuit. The storage capacitor is connected or disconnected to the transistor and a signal line(s) when programming and driving the pixel circuit.
摘要翻译：提供了一种用于补偿电亮度装置中的亮度劣化的方法和系统。该系统包括具有发光器件，存储电容器，多个晶体管以及用于操作像素电路的控制信号线的像素电路。存储电容器在编程和驱动像素电路时与晶体管和信号线连接或断开。

9. 发明申请

US20110069096A1 Driving System For Active-Matrix Displays 有权
标题翻译：主动矩阵显示驱动系统
公开(公告)号：US20110069096A1
公开(公告)日：2011-03-24
申请号：US12878439
申请日：2010-09-09
申请人： Kongning Li , Vasudha Gupta , Gholamreza Chaji , Arokia Nathan
发明人： Kongning Li , Vasudha Gupta , Gholamreza Chaji , Arokia Nathan
IPC分类号： G09G5/10
CPC分类号： G09G3/2081 , G09G3/2022 , G09G3/3225 , G09G2320/0276 , G09G2320/043 , G09G2320/0626 , G09G2320/0673 , G09G2360/144 , G09G2360/16
摘要： A system is provided for using raw grayscale image data, representing images to be displayed in successive frames, to drive a display having pixels that include a drive transistor and an organic light emitting device. The system defines high and low ranges of raw grayscale image data, and determines whether the raw grayscale image data for each pixel falls within the high range or the low range. Raw grayscale image data that falls within the low range is converted to higher grayscale values, and the pixels are driven with currents corresponding to the higher grayscale values during time periods that are shorter than complete frame time periods. Raw grayscale image data that falls within the high range is converted to higher grayscale values, and the pixels are driven with currents corresponding to the higher grayscale values during time periods that are shorter than complete frame time periods and different from the time periods of the low range image data. When the raw grayscale image data is adjusted according to a preselected gamma curve before using that data to drive the pixels, the high and low ranges may be selected according to how well the gamma curve corrects the raw grayscale image data within the ranges.
摘要翻译：提供了一种系统，用于使用原始灰度级图像数据，表示要在连续帧中显示的图像，以驱动具有包括驱动晶体管和有机发光装置的像素的显示。该系统定义原始灰度级图像数据的高范围和低范围，并确定每个像素的原始灰度图像数据是否落在高范围或低范围内。落在低范围内的原始灰度图像数据被转换为较高的灰度值，并且在比完整帧时间段短的时间段期间，以对应于较高灰度值的电流驱动像素。落在高范围内的原始灰度图像数据被转换为较高的灰度值，并且在比完整的帧时间段短的时间段内与不同于低的时间段的时间段内的较高灰度值的电流驱动像素范围图像数据。当在使用该数据驱动像素之前根据预先选择的伽马曲线调整原始灰度图像数据时，可以根据伽马曲线如何校正范围内的原始灰度图像数据来选择高和低范围。

10. 发明申请

US20110012884A1 METHOD AND SYSTEM FOR DRIVING A LIGHT EMITTING DEVICE DISPLAY 有权
标题翻译：用于驱动发光装置显示的方法和系统
公开(公告)号：US20110012884A1
公开(公告)日：2011-01-20
申请号：US12893148
申请日：2010-09-29
申请人： Arokia Nathan , G. Reza Chaji
发明人： Arokia Nathan , G. Reza Chaji
IPC分类号： G09G5/00
CPC分类号： G09G3/3233 , G09G3/3258 , G09G2300/043 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2310/0216 , G09G2310/0218 , G09G2310/0221 , G09G2310/0283 , G09G2320/0233 , G09G2320/043 , G09G2320/045 , G09G2330/021
摘要： A method and system for driving a light emitting device display is provided. The system provides a timing schedule which increases accuracy in the display. The system may provide the timing schedule by which an operation cycle is implemented consecutively in a group of rows. The system may provide the timing schedule by which an aging factor is used for a plurality of frames.
摘要翻译：提供了一种用于驱动发光器件显示器的方法和系统。该系统提供了一个提高显示精度的时序表。系统可以提供在一组行中连续实现操作周期的定时时间表。系统可以提供用于多个帧的老化因子的定时时间表。

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