This paper presents a new compensation pixe] circuit suitable for active-matrix organic light-emitting diode （AMOLED） stereoscopic three dimensional （3D~ displays with shutter glasses. The simultaneous emissio~ met...This paper presents a new compensation pixe] circuit suitable for active-matrix organic light-emitting diode （AMOLED） stereoscopic three dimensional （3D~ displays with shutter glasses. The simultaneous emissio~ method was used to solve the crosstalk problem, in which the periods of initialization and threshold voltage detectio11 occur for each pixel of whole panel simultaneously. Furthermore, there was no need of the periods of initialization and threshold voltage detection from the second frame beginning by one-time detection method. employing threshold voltage The non-uniformity of the proposed pixel circuit was considerably low with an average value of 8.6% measured from 20 discrete proposed pixel circuits integrated by In-Zn-O thin film transistors （IZO TFTs）. It was shown that the OLED current almost remains constant for the number of frames up to 70 even the threshold voltage detection period only exists in the first frame.展开更多
The paper puts forward a method on controlling the AM-OLED panel to display image with high gray scale levels. It also gives an ASIC design sample to implement this method. A twenty sub-fields scan scheme has been tak...The paper puts forward a method on controlling the AM-OLED panel to display image with high gray scale levels. It also gives an ASIC design sample to implement this method. A twenty sub-fields scan scheme has been taken into use in the chip to display 256 gray scale levels on a QVGA resolution AM-OLED display screen. The functions of image scaling and rotating have also been implemented for multiply application. The simulation and chip test result show that the chip design has met the design requirements.展开更多
研究分场数字灰度方案,以提高低温多晶硅(LTPS)有源驱动有机电致发光显示器(AM-OLED)的亮度均匀性和灰度精确性。随着显示器尺寸和分辨率的提高,驱动频率会呈指数上升,在保证各像素发光时间的前提下,采用数字信号处理(DPS)复合乒乓结构...研究分场数字灰度方案,以提高低温多晶硅(LTPS)有源驱动有机电致发光显示器(AM-OLED)的亮度均匀性和灰度精确性。随着显示器尺寸和分辨率的提高,驱动频率会呈指数上升,在保证各像素发光时间的前提下,采用数字信号处理(DPS)复合乒乓结构和双通道内存输出技术,实现了16级灰度的彩色12.7 cm QVGA AM-OLED的动态视频显示。展开更多
文摘This paper presents a new compensation pixe] circuit suitable for active-matrix organic light-emitting diode （AMOLED） stereoscopic three dimensional （3D~ displays with shutter glasses. The simultaneous emissio~ method was used to solve the crosstalk problem, in which the periods of initialization and threshold voltage detectio11 occur for each pixel of whole panel simultaneously. Furthermore, there was no need of the periods of initialization and threshold voltage detection from the second frame beginning by one-time detection method. employing threshold voltage The non-uniformity of the proposed pixel circuit was considerably low with an average value of 8.6% measured from 20 discrete proposed pixel circuits integrated by In-Zn-O thin film transistors （IZO TFTs）. It was shown that the OLED current almost remains constant for the number of frames up to 70 even the threshold voltage detection period only exists in the first frame.
基金Project supported by the Science and Technology Commission of Shanghai Municipality(Grant No.09530708600)the Shanghai AM Foundation(Grant No.09700714000)
文摘The paper puts forward a method on controlling the AM-OLED panel to display image with high gray scale levels. It also gives an ASIC design sample to implement this method. A twenty sub-fields scan scheme has been taken into use in the chip to display 256 gray scale levels on a QVGA resolution AM-OLED display screen. The functions of image scaling and rotating have also been implemented for multiply application. The simulation and chip test result show that the chip design has met the design requirements.
文摘研究分场数字灰度方案,以提高低温多晶硅(LTPS)有源驱动有机电致发光显示器(AM-OLED)的亮度均匀性和灰度精确性。随着显示器尺寸和分辨率的提高,驱动频率会呈指数上升,在保证各像素发光时间的前提下,采用数字信号处理(DPS)复合乒乓结构和双通道内存输出技术,实现了16级灰度的彩色12.7 cm QVGA AM-OLED的动态视频显示。
