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    • 15. 发明专利
    • Imaging apparatus
    • 成像设备
    • JP2009164779A
    • 2009-07-23
    • JP2007340415
    • 2007-12-28
    • Eastman Kodak Coイーストマン コダック カンパニー
    • SAKURAI JUNZOMIKI TAKANAGA
    • H04N9/07H04N5/357
    • H04N9/045G06T3/4015H04N2209/046
    • PROBLEM TO BE SOLVED: To increase sensitivity by adding pixels in an imaging apparatus, and to reliably remove the noise of a pixel signal. SOLUTION: The imaging apparatus adds pixels in a horizontal or vertical direction to increase sensitivity in an image sensor. A CCD 12, for example, outputs a pixel signal in which pixels are added in a vertical direction. A median noise filter 28 calculates the median of surrounding pixels of a pixel to be processed, when eliminating the noise of a luminance signal. The median noise filter 28 selects a pixel closer to the pixel to be processed as a surrounding pixel in a vertical direction to calculate the median, or sets the weight of the surrounding pixel in a vertical direction to be smaller than that of the surrounding pixel in a horizontal direction to calculate the median. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过在成像设备中添加像素来增加灵敏度,并且可靠地消除像素信号的噪声。 解决方案:成像设备在水平或垂直方向上添加像素以增加图像传感器中的灵敏度。 例如,CCD12输出在垂直方向上添加像素的像素信号。 当消除亮度信号的噪声时,中值噪声滤波器28计算要处理的像素的周围像素的中值。 中值噪声滤波器28选择靠近待处理像素的像素作为垂直方向上的周围像素,以计算中值,或者将垂直方向上的周围像素的权重设定为小于周围像素的重量, 一个水平方向来计算中位数。 版权所有(C)2009,JPO&INPIT
    • 17. 发明专利
    • Pixel circuit and display panel
    • 像素电路和显示面板
    • JP2009098386A
    • 2009-05-07
    • JP2007269679
    • 2007-10-17
    • Eastman Kodak Coイーストマン コダック カンパニー
    • KAWABE KAZUYOSHI
    • G09G3/30G09G3/20H01L51/50
    • G09G3/3258G09G2300/0842G09G2300/0857G09G2320/046H01L27/3265
    • PROBLEM TO BE SOLVED: To provide a pixel circuit and a display panel which compensate current variation due to deterioration of a pixel. SOLUTION: An organic electroluminescence (EL) element 1 emits light according to a driving current from a first driving transistor 2. A data voltage is charged in a holding capacitor 3, and the charged voltage of the holding capacitor 3 is supplied to a gate of the first driving transistor. A second driving transistor causes a charging current to flow to the holding capacitor 3 while the gate receives a voltage Va associated with voltage drop in the organic EL element 1. The data voltage is charged in the holding capacitor 3, and the driving current from the first driving transistor 2 is caused to flow into the organic EL element 1. From that time, a second driving transistor 4 causes the charging current to flow into the holding capacitor 3, and the driving current of the first driving transistor 2 is stopped by charged voltage change of the holding capacitor 3. Thereby, the driving current is supplied to the organic EL element 1 only for a period corresponding to the data voltage and corresponding to the voltage drop of the organic EL element 1. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种补偿由于像素劣化引起的电流变化的像素电路和显示面板。 解决方案:有机电致发光(EL)元件1根据来自第一驱动晶体管2的驱动电流发光。数据电压被充电在保持电容器3中,并且保持电容器3的充电电压被提供给 第一驱动晶体管的栅极。 第二驱动晶体管导致充电电流流向保持电容器3,同时栅极接收与有机EL元件1中的电压降相关联的电压Va。数据电压被充电在保持电容器3中,并且驱动电流来自 第一驱动晶体管2流入有机EL元件1.此时,第二驱动晶体管4使充电电流流入保持电容器3,并且通过充电来停止第一驱动晶体管2的驱动电流 保持电容器3的电压变化。因此,驱动电流仅在与数据电压相对应的时段内被提供给有机EL元件1,并且对应于有机EL元件1的电压降。 )2009,JPO&INPIT
    • 20. 发明专利
    • Color active pixel sensor with electronic shutter, anti-blooming and low crosstalk
    • 彩色活动像素传感器,带电子快门,防爆和低音箱
    • JP2008300879A
    • 2008-12-11
    • JP2008226670
    • 2008-09-04
    • Eastman Kodak Coイーストマン コダック カンパニー
    • GUIDASH ROBERT MLEE PAUL PLEE TEH-HSUANG
    • H01L27/146H01L27/14H01L31/0232
    • H01L27/14609H01L31/02327
    • PROBLEM TO BE SOLVED: To provide a novel APS device pixel architecture and an operation method.
      SOLUTION: An active pixel sensor architecture includes a semiconductor substrate composed of a plurality of pixels in which a micro lens and a light shield are provided. Each pixel includes a photodetector region where the incident light is collected as signal charges to form photoelectrons, a means for transferring the signal charges from the photodetector region to a charge storage region which is covered with the light shield, and a detection node which is an input to an amplifier. The detection node is so connected as to act on the signal storage region. The pixel architecture allows a design of symmetric pixel which permits the introduction of a light shield and micro lens technology into a design.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种新颖的APS设备像素架构和操作方法。 解决方案:有源像素传感器架构包括由多个像素组成的半导体衬底,其中提供微透镜和光屏蔽。 每个像素包括光电检测器区域,其中入射光被收集为信号电荷以形成光电子,用于将信号电荷从光电检测器区域转移到被遮光罩覆盖的电荷存储区域的装置,以及检测节点 输入到放大器。 检测节点被连接成作用于信号存储区域。 像素架构允许对称像素的设计,其允许将光屏蔽和微透镜技术引入到设计中。 版权所有(C)2009,JPO&INPIT