Digitally controlled quench flash circuit
    1.
    发明授权
    Digitally controlled quench flash circuit 失效
    数字控制淬火闪光电路

    公开(公告)号:US5682562A

    公开(公告)日:1997-10-28

    申请号:US648648

    申请日:1996-05-16

    CPC分类号: H04N5/2354 G03B7/16

    摘要: A flash quench controller for a camera having a flash unit includes a light detector for producing a signal, an integrator for integrating the signal from the detector and producing an integrated signal, a comparator for comparing the integrated signal to a reference value, and means for quenching the flash unit when the integrated signal reaches the reference value. By using a pulse signal having a variable pulse width to programmably set the reference value, many different quench time values can be easily established. The flash unit may also be quenched by setting a maximum flash time value. The flash is automatically quenched if this flash time value is reached before the integrated signal level reaches the programmed reference value.

    摘要翻译: 具有闪光单元的相机的闪光淬火控制器包括用于产生信号的光检测器,用于对来自检测器的信号进行积分并产生积分信号的积分器,用于将积分信号与参考值进行比较的比较器,以及用于 当集成信号达到参考值时,对闪光单元进行淬火。 通过使用具有可变脉冲宽度的脉冲信号可编程地设置参考值,可以容易地建立许多不同的淬灭时间值。 闪光单元也可以通过设置最大闪光时间值来淬火。 如果在集成信号电平达到编程的参考值之前达到此闪烁时间值,闪光灯将自动淬火。

    Electronic still camera having automatic orientation sensing and image
correction
    2.
    发明授权
    Electronic still camera having automatic orientation sensing and image correction 失效
    电子静态照相机具有自动定位感应和图像校正功能

    公开(公告)号:US5900909A

    公开(公告)日:1999-05-04

    申请号:US895971

    申请日:1997-07-17

    摘要: An electronic still camera is provided with an electronic image sensor for generating an image signal corresponding to a still image of a subject and an orientation determination section for sensing the orientation of the camera relative to the subject. The orientation determination section provides an orientation signal recognizing either the vertical or the horizontal orientation of the camera relative to the subject. An image processor is responsive to the orientation signal for processing the image signal and correcting the orientation thereof so that the still image is output from the image processor in a predetermined orientation. In this way, the electronic still camera can be positioned in a variety of orientations relative to a subject, including both clockwise and counterclockwise vertical "portrait" orientations and a horizontal "landscape" orientation, without affecting the orientation of the images output by the camera.

    摘要翻译: 电子静态照相机设置有电子图像传感器,用于产生对应于被摄体的静止图像的图像信号和用于感测相机相对于被摄体的取向的取向确定部。 取向确定部提供识别照相机相对于被摄体的垂直方向或水平取向的取向信号。 图像处理器响应于定向信号来处理图像信号并校正其取向,使得静止图像以预定取向从图像处理器输出。 以这种方式,电子静物照相机可以相对于被摄体定位成各种取向,包括顺时针和逆时针垂直“纵向”取向和水平“风景”取向,而不影响由相机输出的图像的取向 。

    Electronic camera with rapid automatic focus of an image upon a
progressive scan image sensor
    3.
    发明授权
    Electronic camera with rapid automatic focus of an image upon a progressive scan image sensor 失效
    电子照相机具有快速自动对焦的图像在逐行扫描图像传感器上

    公开(公告)号:US5668597A

    公开(公告)日:1997-09-16

    申请号:US367404

    申请日:1994-12-30

    CPC分类号: H04N3/1575 H04N5/23212

    摘要: A technique for automatically focusing the lens of an electronic still camera employs a progressive scan image sensor 20 with a fast dump structure 62. The image sensor 20 itself is operated first in a "fast flush " mode to focus a lens 22, and then in a normal readout mode to obtain the final still image. To focus the lens 22, an image is integrated on the sensor 20. The average contrast of a central region 66 of the image is used to determine how well the image is focused. The portion of the image surrounding a central focusing area 66 is rapidly read out and discarded, using "fast flush" clocking where the vertical and horizontal registers are continuously clocked and lines of image charge are dumped to the substrate through the fast dump structure 62. In the central focusing area 66, a pattern of lines are eliminated through the fast dump structure 62, and the intervening lines are transferred out to generate a focus adjustment signal. The process is repeated numerous times as the lens focus is adjusted until the maximum average contrast is obtained. At this point, the entire sensor is cleared using "fast flush" clocking, and the final image is then captured and read out.

    摘要翻译: 用于自动聚焦电子静物照相机的技术采用具有快速转储结构62的逐行扫描图像传感器20.图像传感器20本身首先以“快速冲洗”模式操作以聚焦透镜22,然后在 一个正常的读出模式,以获得最终的静止图像。 为了聚焦透镜22,将图像集成在传感器20上。图像的中心区域66的平均对比度用于确定图像聚焦的程度。 使用“快速冲洗”时钟快速地读出并丢弃围绕中心聚焦区域66的图像的部分,其中垂直和水平寄存器被连续计时,并且图像电荷线通过快速转储结构62被转储到基板。 在中央聚焦区域66中,通过快速倾倒结构62消除线条图案,并且将中间线路输出以产生聚焦调整信号。 当调整透镜焦点直到获得最大平均对比度时,该过程重复多次。 此时,使用“快速冲洗”时钟清除整个传感器,然后捕获并读出最终的图像。

    Display device
    4.
    发明授权
    Display device 有权
    显示设备

    公开(公告)号:US09336712B2

    公开(公告)日:2016-05-10

    申请号:US13379581

    申请日:2010-07-01

    IPC分类号: G09G5/10 G09G3/32

    摘要: To alleviate an afterimage phenomenon caused by a hysteresis characteristic of a drive transistor. Current driven type light emitting elements 3 are provided for each of pixels 6 that are arranged in a matrix shape, and current of the light emitting elements 3 is controlled using drive TFTs 2 that operate by receiving data voltage on a gate. At least two power supply voltages (PVDDa, PVDDb) for supply to each pixel are provided, one being set to a voltage such that current corresponding to a data voltage flows in the drive TFT 2, the other being set to a voltage beyond a variation range of data voltage and that reverse biases the drive TFT 2, and the two power supply voltages are switched and supplied to each pixel 6.

    摘要翻译: 以减轻由驱动晶体管的滞后特性引起的余像现象。 为排列成矩阵状的像素6提供电流驱动型发光元件3,并且通过在栅极上接收数据电压进行操作的驱动TFT2来控制发光元件3的电流。 提供用于供给每个像素的至少两个电源电压(PVDDa,PVDDb),一个被设置为使得对应于数据电压的电流流过驱动TFT2,另一个被设置为超出变化的电压 数据电压的范围,并且反向偏置驱动TFT2,并且将两个电源电压切换并提供给每个像素6。

    Organic light emitting diode display device for pixel current sensing in the sensing mode and pixel current sensing method thereof
    5.
    发明授权
    Organic light emitting diode display device for pixel current sensing in the sensing mode and pixel current sensing method thereof 有权
    用于感测模式下的像素电流感测的有机发光二极管显示装置及其像素电流检测方法

    公开(公告)号:US09236011B2

    公开(公告)日:2016-01-12

    申请号:US13596919

    申请日:2012-08-28

    申请人: Seiichi Mizukoshi

    发明人: Seiichi Mizukoshi

    IPC分类号: G09G3/32

    摘要: An OLED display device which can sense a current of each pixel at high speed by a simple structure in order to compensate for luminance non-uniformity and a pixel current sensing method thereof are discussed. The OLED display device includes a display panel including pixels, each including a light emitting element and a pixel circuit for independently driving the light emitting element, a data driver for driving a data line connected to the pixel circuit using a data voltage, floating one of the data line, a reference line for supplying a reference voltage to the pixel circuit, and a power line for supplying a power to the pixel circuit to use the floated line as a current sensing line, sensing a voltage corresponding to a pixel current of the pixel circuit flowing to the current sensing line, and outputting the sensing voltage, in a sensing mode.

    摘要翻译: 讨论了可以通过简单的结构感测高速每个像素的电流以补偿亮度不均匀性和其像素电流检测方法的OLED显示装置。 OLED显示装置包括:包括像素的显示面板,每个显示面板包括发光元件和用于独立驱动发光元件的像素电路;数据驱动器,用于使用数据电压驱动连接到像素电路的数据线, 数据线,用于向像素电路提供参考电压的参考线,以及用于向像素电路提供电力以使用浮动线作为电流感测线的电力线,感测对应于像素电流的像素电流的电压 像素电路流到电流感测线,并在感测模式下输出感测电压。

    DISPLAY DEVICE
    6.
    发明申请
    DISPLAY DEVICE 有权
    显示设备

    公开(公告)号:US20120026082A1

    公开(公告)日:2012-02-02

    申请号:US13020556

    申请日:2011-02-03

    IPC分类号: G09G5/00

    摘要: In order to maintain a high visual image quality and save power, a display device includes: R sub-pixels, G sub-pixels, B sub-pixels, and W sub-pixels; and a human detection sensor (12) for detecting whether or not a person is present within a predetermined range. A use rate of the W sub-pixels is changed depending on whether or not a person is present within the predetermined range.

    摘要翻译: 为了保持高的视觉图像质量并节省功率,显示装置包括:R个子像素,G个子像素,B个子像素和W个子像素; 以及用于检测人是否存在于预定范围内的人体检测传感器(12)。 W子像素的使用率根据人是否存在于预定范围内而改变。

    DISPLAY APPARATUS
    7.
    发明申请
    DISPLAY APPARATUS 有权
    显示设备

    公开(公告)号:US20070273701A1

    公开(公告)日:2007-11-29

    申请号:US11685225

    申请日:2007-03-13

    IPC分类号: G09G5/39 G09G5/10

    摘要: After a look-up table applies y correction to each of R, G, and B signals, a multiplier multiplies a y corrected signal by a gain. An adder adds an offset to an output of the multiplier and supplies a resultant gain/offset corrected signal to a display panel. Memories store entropy coded correction data, which can be expanded by corresponding expansion circuits and supplied to the multiplier and the adder, respectively.

    摘要翻译: 在查询表对R,G和B信号中的每一个进行y校正之后,乘法器将y校正信号乘以增益。 加法器将偏移量加到乘法器的输出端,并将所得的增益/偏移校正信号提供给显示面板。 存储器存储熵编码校正数据,其可以由相应的扩展电路扩展并分别提供给乘法器和加法器。

    Organic EL display device having adjustable offset voltage
    8.
    发明授权
    Organic EL display device having adjustable offset voltage 有权
    具有可调偏移电压的有机EL显示装置

    公开(公告)号:US06870322B1

    公开(公告)日:2005-03-22

    申请号:US10628934

    申请日:2003-07-29

    摘要: An organic EL display device which individually controls the amount of current of organic EL elements, which are arranged in a matrix of pixels, according to an input image signal, comprising total current detection circuitry for detecting the total current flowing to all the organic EL elements arranged in the pixel matrix, offset voltage setting circuitry for determining an offset voltage to offset the input image signal so as to apply a voltage which causes the current to start flowing to the organic EL elements according to a black level of the input image signal, and offset voltage control circuitry for controlling the offset voltage, which is responsive to the offset voltage setting circuitry, according to the total current detected by the total current detection circuitry.

    摘要翻译: 一种有机EL显示装置,其根据输入图像信号单独地控制排列成像素矩阵的有机EL元件的电流量,该总电流检测电路用于检测流向所有有机EL元件的总电流 偏移电压设置电路,用于确定偏移电压以偏移输入图像信号,以便根据输入图像信号的黑电平施加使电流开始流向有机EL元件的电压, 以及偏移电压控制电路,用于根据由总电流检测电路检测到的总电流来控制响应于偏移电压设置电路的偏移电压。

    Method of sampling picture signals and apparatus therefor
    9.
    发明授权
    Method of sampling picture signals and apparatus therefor 失效
    图像信号采样方法及其设备

    公开(公告)号:US4891713A

    公开(公告)日:1990-01-02

    申请号:US209132

    申请日:1988-06-20

    IPC分类号: H04N1/04 H04N1/40

    CPC分类号: H04N1/04 H04N1/40

    摘要: Method and apparatus for collecting image data of a picture by sampling N points of picture signals N times on each of a plurality of scanning lines, and converting the signal obtained at each of the sample points into digital signals characterized by sequentially sampling K different frames or portions of the picture by sampling for each frame M points of each line such that no sample points overlap and the data for one picture is collected by scanning K frames.

    摘要翻译: 用于通过在多条扫描线中的每一条上采样N次图像信号N次来采集图像数据的方法和装置,并且将在每个采样点获得的信号转换为数字信号,其特征在于顺序采样K个不同帧或 通过对每个帧的每个帧采样M图像的部分,使得没有采样点重叠,并且通过扫描K帧来收集一幅图像的数据。

    Method of correcting nonuniformity of pixels in an OLED
    10.
    发明授权
    Method of correcting nonuniformity of pixels in an OLED 有权
    校正OLED中像素不均匀性的方法

    公开(公告)号:US08330678B2

    公开(公告)日:2012-12-11

    申请号:US11424245

    申请日:2006-06-15

    IPC分类号: G09G3/30

    摘要: Nonuniformity in an organic EL display device is effectively detected. All display pixels of an organic EL panel are turned on and the display is photographed with a digital camera. A computer performs image processing of the photographed image to detect an area in which unevenness exists. Then, a V-I curve of each pixel in the area is measured to calculate necessary correction values. The calculated correction values are stored in a memory for use in correcting a signal input to the organic EL panel.

    摘要翻译: 有效地检测有机EL显示装置的不均匀性。 打开有机EL面板的所有显示像素,并用数码相机拍摄显示器。 计算机执行拍摄图像的图像处理以检测存在不均匀的区域。 然后,测量该区域中每个像素的V-I曲线以计算必要的校正值。 所计算的校正值被存储在用于校正输入到有机EL面板的信号的存储器中。