会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • VIDEO DISPLAY APPARATUS
    • 视频显示设备
    • US20100194791A1
    • 2010-08-05
    • US12629210
    • 2009-12-02
    • Yuya OGIYasutaka TSURUKazuhiko TANAKA
    • Yuya OGIYasutaka TSURUKazuhiko TANAKA
    • G09G5/10
    • G06T5/40G06T5/008G06T2207/20012G09G3/3426G09G2320/0646G09G2360/16
    • For the purpose of obtaining a video signal by suppressing a black float while not consuming an excess electric power therein, not contributing to display of a backlight, a video display apparatus having a plural number of backlights for irradiating lights upon a display panel, comprises a histogram detector for conducting a histogram detection for each display region corresponding to that backlight from an input video signal of one (1) frame, a means for determining a control value of that plural number of backlights depending on a specific picture or video, which is detected by the histogram detector, and a video signal processor for controlling an amount of a controlled light the display panel of a display region, i.e., a put-out region, depending on the backlight control value, which is determined by the means for determining the control value of the backlight.
    • 为了通过抑制黑色浮动而不消耗其中的多余电力来获得视频信号,不对显示背光有贡献,具有多个用于在显示面板上照射光的背光的视频显示装置包括: 直方图检测器,用于根据一(1)帧的输入视频信号对与所述背光对应的每个显示区域进行直方图检测;根据特定图像或视频来确定所述多个背光源的控制值的装置, 由直方图检测器检测的视频信号处理器,用于根据由用于确定的装置确定的背光控制值来控制显示区域的显示面板(即,放出区域)的受控光量的视频信号处理器 背光的控制值。
    • 3. 发明授权
    • Image processing apparatus and mobile terminal apparatus
    • 图像处理装置和移动终端装置
    • US07671901B2
    • 2010-03-02
    • US11195870
    • 2005-08-03
    • Kozo MasudaYasutaka Tsuru
    • Kozo MasudaYasutaka Tsuru
    • H04N5/235
    • H04N9/643H04N5/20H04N5/58H04N9/68H04N21/4131H04N21/41407H04N21/42202H04N21/4318H04N21/44008
    • An image processing apparatus has an input portion for receiving video signals, an illumination sensor for detecting illumination of an environmental light, a corrector for correcting the video signals, and a controller for controlling the corrector to correct the video signals in accordance with distribution of luminance or hue or saturation of the video signals and with the detected illumination when any change occurs in the video signal. The apparatus further has a detector for detecting a change of the video signals in accordance with a mean value of luminance of the inputted video signals, a corrector for correcting the video signals, and a controller for controlling the correction portion to correct the video signals in accordance with distribution of luminance or hue or saturation of the video signals when the detector detects the change of the video signals.
    • 图像处理装置具有用于接收视频信号的输入部分,用于检测环境光的照明的照明传感器,用于校正视频信号的校正器,以及用于控制校正器以根据亮度分布校正视频信号的控制器 或视频信号的色调或饱和度以及视频信号中发生任何变化时的检测到的照明。 该装置还具有用于根据输入的视频信号的亮度的平均值来检测视频信号的变化的检测器,用于校正视频信号的校正器,以及用于控制校正部分以校正视频信号的视频信号的控制器 根据检测器检测到视频信号的变化时的视频信号的亮度或色调或饱和度的分布。
    • 4. 发明申请
    • Image Display Apparatus
    • 图像显示装置
    • US20100045694A1
    • 2010-02-25
    • US12491334
    • 2009-06-25
    • Kazuhiko TanakaYasutaka TsuruYuya Ogi
    • Kazuhiko TanakaYasutaka TsuruYuya Ogi
    • G09G3/36G09G5/02
    • G09G3/342G09G3/36G09G2320/0233G09G2320/062
    • In a local dimming technology for reducing power consumption of a display device using a backlight as in a liquid crystal display, the backlight is configured by a plurality of independently controllable light sources, an image is divided into areas of the same number as that of the controllable light sources and light emission intensity of the light source is calculated based on a feature value of each area. However, this technology has a problem that when a backlight luminance distribution within each area is not uniform, image quality is deteriorated or a power consumption reduction effect is lowered.In the present invention, the image is divided into areas of the number greater than that of the controllable light sources, and the light emission intensity of each light source is determined based on the feature values of a plurality of areas to reduce the above-described problem.
    • 在用于降低液晶显示器中使用背光的显示装置的功耗的局部调光技术中,背光由多个可独立控制的光源构成,图像被划分为与 基于每个区域的特征值计算可控光源和光源的发光强度。 然而,该技术存在的问题是,当各区域内的背光亮度分布不均匀时,图像质量劣化或降低功耗降低效果。 在本发明中,将图像分割为比可控光源大的数量的区域,并且基于多个区域的特征值来确定每个光源的发光强度,以减少上述 问题。
    • 6. 发明申请
    • Image display apparatus
    • 图像显示装置
    • US20060061842A1
    • 2006-03-23
    • US11063752
    • 2005-02-24
    • Naoya OkaRyo HasegawaYasutaka TsuruHiroshi AokiHirofumi Sakamoto
    • Naoya OkaRyo HasegawaYasutaka TsuruHiroshi AokiHirofumi Sakamoto
    • G03F3/08
    • H04N5/202H04N9/69
    • The present invention provides a technique for performing gamma correction processing when there are a plurality of characteristic areas, each of which is characterized by the high frequency in a luminance histogram to improve the impression of contrast. According to the present invention, a luminance characteristic detector (4) detects the luminance of an input image signal and a microcomputer (5) calculates an APL and a luminance histogram of an input image signal. A gamma correction circuit (6) performs the gamma correction processing in response to the luminosity of the input image signal by use of the result of the calculation carried out by the microcomputer (5). Then, if there are a plurality of characteristic areas, each of which is characterized by the high frequency in the luminance histogram, a characteristic emphasis circuit (7) performs grayscale extension processing for the plurality of characteristic areas. This makes it possible to perform the most suitable processing in response to the input image signal so that the impression of contrast is improved.
    • 本发明提供了一种用于在存在多个特征区域时执行伽马校正处理的技术,每个特征区域的特征在于亮度直方图中的高频以改善对比度的印象。 根据本发明,亮度特性检测器(4)检测输入图像信号的亮度,并且微计算机(5)计算输入图像信号的APL和亮度直方图。 伽马校正电路(6)通过使用由微计算机(5)执行的计算结果,响应于输入图像信号的亮度来进行伽马校正处理。 然后,如果存在多个特征区域,其特征在于亮度直方图中的高频,特征强调电路(7)对多个特征区域进行灰度级扩展处理。 这使得可以响应于输入图像信号执行最合适的处理,从而改善了对比度的印象。
    • 8. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US07940351B2
    • 2011-05-10
    • US12230726
    • 2008-09-04
    • Mayumi NagayoshiSatoshi OuchiSeiji MurataYasutaka Tsuru
    • Mayumi NagayoshiSatoshi OuchiSeiji MurataYasutaka Tsuru
    • G02F1/1335
    • G02F1/133611G02F1/133603G02F2001/133607G02F2203/02
    • An image display apparatus includes: a plurality of light sources for emitting light; an optical uniformizing portion for uniformizing light emitted from the plurality of light sources; a total reflection portion disposed above the plurality of light sources, the total reflection portion totally reflecting light from the optical uniformizing portion; an optical guide portion for guiding light totally reflected at the total reflection portion; an optical diffusion unit for diffusing light from the total reflection portion and outputting the diffused light; an optical parallelizing unit for parallelizing light from the optical diffusion unit; and a liquid crystal panel for modulating light from the optical parallelizing unit into an optical image in accordance with an image signal and displaying the optical image.
    • 一种图像显示装置包括:多个用于发光的光源; 用于使从所述多个光源发射的光均匀化的光学均匀化部分; 全反射部分,设置在多个光源的上方,全反射部分全反射来自光学均匀化部分的光; 用于引导在全反射部分全反射的光的光导部; 光漫射单元,用于漫射来自全反射部分的光并输出漫射光; 用于使来自光扩散单元的光并行化的光学并行化单元; 以及用于根据图像信号将来自光学并行化单元的光调制成光学图像并显示光学图像的液晶面板。
    • 9. 发明申请
    • Liquid Crystal Display Device and Backlight Control Method
    • 液晶显示装置和背光控制方法
    • US20110057961A1
    • 2011-03-10
    • US12785242
    • 2010-05-21
    • Yasutaka TsuruYuya OgiKazuhiko Tanaka
    • Yasutaka TsuruYuya OgiKazuhiko Tanaka
    • G09G5/10G09G3/36
    • G09G3/342G09G2310/0232G09G2320/0233G09G2320/0271G09G2320/064G09G2320/0646G09G2330/021
    • In a liquid crystal device, an in-region gradation value detection section detects gradation levels of input video signals on every sub-region, removing gradation levels of pixels within a predetermined upper range (m %) from the brightest gradation level in the sub-region to detect the maximum in-region gradation level Pa. A boundary gradation value detecting section removes gradation levels for pixels within a predetermined upper range (n %) from the brightest gradation level for pixel groups belonging to the region boundary portion in the sub-region to detect the maximum boundary gradation level Pb. A backlight control value deciding section selects higher one of the level Pa and the level Pb as the maximum gradation level Pc in the sub-region, and decides a backlight control value K based on the ratio between the level Pc and the upper limit value Pmax of the gradation level.
    • 在液晶装置中,区域内灰度值检测部检测各子区域的输入图像信号的灰度等级,从子区域中的最亮灰度级除去规定的上限(m%)以内的像素的灰度等级, 区域,以检测最大区域内灰度级Pa。边界灰度值检测部分从属于子区域灰度级中的区域边界部分的像素组的最亮灰度级除去预定上限范围(n%)内的像素的灰度级, 区域以检测最大边界灰度级Pb。 背光源控制值判定部选择电平Pa和电平Pb中的较高的一个作为子区域中的最大灰度级Pc,并且基于电平Pc与上限值Pmax之间的比率来决定背光控制值K 的灰度级。