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    • 1. 发明授权
    • Display apparatus and display method thereof
    • 显示装置及其显示方法
    • US6151000A
    • 2000-11-21
    • US854640
    • 1997-05-12
    • Hiroshi OhtakaMasaji IshigakiYasuji NoguchiYuichiro KimuraKen Kumakura
    • Hiroshi OhtakaMasaji IshigakiYasuji NoguchiYuichiro KimuraKen Kumakura
    • G09G3/20G09G3/288G09G3/28H04N5/04H04N9/44
    • G09G3/2033G09G3/288G09G2310/02G09G2310/0267G09G2310/0275G09G2320/0266
    • A display apparatus and display method are provided for a display panel having pixels arranged in a matrix form for displaying an image on a effective display area. Horizontal electrodes and vertical electrodes in the display panel are scanned for selectively illuminating said pixels by using a time sharing drive method in which one field period is divided into plural sub-fields weighted according to a sustaining period. As a result, an effective display area is divided into plural areas, no scanning for selecting a light emitting pixel is executed in a non-display area, and the number of sub-fields is increased in an area in which display in multiple gradations is required in a display area to obtain sufficient gradation. Instead of increasing the number of the sub-fields, the total sustaining period per one field is increased to obtain sufficient brightness. According to a feature of the invention, another area is provided in which the number of sub-fields is limited to the required minimum in which display in multiple gradations is not required. According to other feature of the invention, another area having few sub-fields is prepared instead of providing the non-display area.
    • 提供了一种用于显示面板的显示装置和显示方法,该显示面板具有以矩阵形式布置的像素,用于在有效显示区域上显示图像。 扫描显示面板中的水平电极和垂直电极,以便通过使用时域共享驱动方法选择性地照亮所述像素,其中一个场周期被分成根据维持周期加权的多个子场。 结果,有效显示区域被划分为多个区域,在非显示区域中不执行用于选择发光像素的扫描,并且在多个灰度级显示的区域中子场数量增加 在显示区域中需要获得足够的灰度。 代替增加子场的数量,增加每一场的总维持周期以获得足够的亮度。 根据本发明的特征,提供了另一个区域,其中子场的数量被限制在不需要多个等级的显示的所需最小值。 根据本发明的其他特征,准备了具有很少子场的另一区域,而不是提供非显示区域。
    • 3. 发明授权
    • Digital convergence correction system and method for preparing
correction data
    • 数字收敛校正系统及校正数据的制作方法
    • US5345280A
    • 1994-09-06
    • US16701
    • 1993-02-11
    • Yuichiro KimuraYasuji NoguchiKuninori Matsumi
    • Yuichiro KimuraYasuji NoguchiKuninori Matsumi
    • H04N9/28H04N17/04
    • H04N9/28
    • A digital convergence correction system and a method of preparing a convergence correction data used for an image display unit, including at least one cathode ray tube, are disclosed. Correction data at correction points at predetermined between adjusting points providing representative correction points are determined by interpolation. A whole section subjected to correction is segmented into a plurality of sub-sections. An interpolating function for each sub-section is an independent low-order function. The values of the interpolating functions for adjacent sub-sections sandwiching a boundary, i.e., an adjusting point, the values of the first order derivatives and the values of the second order derivatives, respectively, are rendered to be equal to each other at such adjusting point.
    • 公开了一种数字会聚校正系统和准备用于包括至少一个阴极射线管的图像显示单元的会聚校正数据的方法。 通过内插确定提供代表性校正点的调整点之间的预定位置的校正点处的校正数据。 经过校正的整个部分被分割成多个子部分。 每个子部分的内插函数是独立的低阶函数。 分别夹着边界的相邻子部分的内插函数的值,即调整点,一阶导数的值和二阶导数的值分别在这种调整时彼此相等 点。
    • 7. 发明授权
    • Display device
    • 显示设备
    • US07098875B2
    • 2006-08-29
    • US10376479
    • 2003-03-03
    • Makoto OnozawaYasuji NoguchiAyahito KojimaHideaki Ohki
    • Makoto OnozawaYasuji NoguchiAyahito KojimaHideaki Ohki
    • G09G3/28
    • G09G3/2944G09G2320/046G09G2320/0626G09G2330/021G09G2330/045G09G2360/16
    • A display device that can prevent the thermal destruction and screen burn-in caused by display patterns has been disclosed. In this device, the display luminance is determined by the number of light emissions, and there are provided a sustain frequency control section that controls the sustain frequency, a load ratio calculation section that calculates the load ratio for each frame of display data, plural counters, a load ratio counter control section that controls so as to increase the counts of the counters corresponding to the load ratio level calculated by the load ratio calculation section, and a first judgment section that outputs a first control signal when any of the counts exceeds a first reference value, wherein the sustain frequency control section decreases the sustain frequency according to the first control signal.
    • 已经公开了可以防止由显示图案引起的热破坏和屏幕老化的显示装置。 在该装置中,显示亮度由发光次数决定,具有控制维持频率的维持频率控制部,负责比计算部,计算各帧的显示数据的负载比,多个计数器 ,负载比计数器控制部分,其控制以增加与由负载比计算部分计算的负载比率等级对应的计数器的计数;以及第一判断部分,当任何计数超过一个时,输出第一控制信号 第一参考值,其中维持频率控制部分根据第一控制信号降低维持频率。