IMAGE DISPLAY APPARATUS, DRIVER APPARATUS, AND BACKLIGHT UNIT
    1.
    发明申请
    IMAGE DISPLAY APPARATUS, DRIVER APPARATUS, AND BACKLIGHT UNIT 审中-公开
    图像显示装置,驱动装置和背光单元

    公开(公告)号:US20130120481A1

    公开(公告)日:2013-05-16

    申请号:US13812146

    申请日:2011-04-20

    IPC分类号: G09G3/34 G09G5/10

    摘要: An image display apparatus comprising: a driver apparatus; and a total of N device groups of a first group to an N-th group (2≦N) each of which includes one or a plurality of light emitting devices, the image display apparatus uses the driver apparatus to make each of the device groups emit light preventing light emission capable periods from overlapping one another and displays an image by using the obtained light as backlight; wherein the driver apparatus includes: a power output circuit that outputs light emission power used for the light emission of the light emitting device; and a switch mechanism that switches, in accordance with arrival of the light emission capable period of a device group K (1≦K≦N), an output destination of the light emission power output from the power output circuit to the device group K.

    摘要翻译: 一种图像显示装置,包括:驱动器装置; 以及包括一个或多个发光装置的第一组的N个装置组到第N组(2 @ N),图像显示装置使用驱动器装置来使每个装置组 防止发光能力的时段彼此重叠,并通过使用所获得的光作为背光来显示图像; 其中所述驱动器装置包括:功率输出电路,其输出用于所述发光器件的发光的发光功率; 以及根据设备组K(1 @ K @ N)的发光能力期间的到达将从功率输出电路输出的发光功率的输出目的地切换到设备组K的开关机构。

    IMAGE DISPLAY DEVICE
    2.
    发明申请
    IMAGE DISPLAY DEVICE 审中-公开
    图像显示设备

    公开(公告)号:US20120293571A1

    公开(公告)日:2012-11-22

    申请号:US13576577

    申请日:2010-12-15

    申请人: Toshiyuki Gotoh

    发明人: Toshiyuki Gotoh

    IPC分类号: G09G5/10

    摘要: An image display device of the present invention includes a subframe generation section (10) for dividing one frame of a video signal into a first subframe during which at least a green (G) light source emits light, a second subframe during which at least a red (R) light source emits light, and a third subframe during which a blue (B) light source emits light. The subframe generation section (10) finds a difference between (i) a signal to be displayed, which signal is obtained from an aperture ratio corrected in the first subframe and luminance distribution of a light source corresponding to a red (R) video signal included in the first subframe and (ii) the red (R) video signal included in the first subframe, and corrects, according to the difference found in the first subframe, an aperture ratio corrected in the second subframe. This prevents insufficiency of luminance, and thus makes it possible to carry out an accurate color display.

    摘要翻译: 本发明的图像显示装置包括:子帧生成部(10),用于将视频信号的一帧分割为至少绿色(G)光源发光的第一子帧;第二子帧,其中至少一个 红色(R)光源发光,以及蓝色(B)光源发光的第三子帧。 子帧产生部分(10)找到(i)要显示的信号,从第一子帧中校正的孔径率获得的信号和对应于包括的红色(R)视频信号的光源的亮度分布之间的差异 在第一子帧中和(ii)包括在第一子帧中的红色(R)视频信号,并且根据在第一子帧中发现的差异,校正在第二子帧中校正的孔径比。 这防止亮度不足,因此能够进行精确的彩色显示。

    Display apparatus, drive method, and recording medium
    3.
    发明授权
    Display apparatus, drive method, and recording medium 有权
    显示装置,驱动方法和记录介质

    公开(公告)号:US08933873B2

    公开(公告)日:2015-01-13

    申请号:US13531126

    申请日:2012-06-22

    申请人: Toshiyuki Gotoh

    发明人: Toshiyuki Gotoh

    IPC分类号: G09G3/36 G09G3/34

    摘要: In a display apparatus provided with a backlight which includes a plurality of color components and emits light of a color of white or other colors and with a liquid crystal display section, RGB values for identifying a color of light which passes through the liquid crystal display section assuming that the backlight emits white light are calculated, first RGB values representing a transmittance of the liquid crystal display section are calculated based on the RGB values, and the liquid crystal display section is driven based on the first RGB values.

    摘要翻译: 在具备背光源的显示装置中,包括多个颜色成分并发出白色或其它颜色的颜色的液晶显示部分,用于识别通过液晶显示部分的光的颜色的RGB值 假设背光源发出白光,则根据RGB值计算表示液晶显示部的透射率的第一RGB值,根据第一RGB值驱动液晶显示部。

    IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD
    5.
    发明申请
    IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD 有权
    图像显示装置和图像显示方法

    公开(公告)号:US20110169795A1

    公开(公告)日:2011-07-14

    申请号:US13119686

    申请日:2009-09-16

    IPC分类号: G09G5/02

    摘要: It is expected to provide an image display apparatus and image display method that can reduce the risk that an image quality is undermined due to a halo phenomenon caused by the leak of light passing through a non-corresponding color filter from a LED. The image display apparatus can respectively control luminous efficiencies of plural color LEDs, i.e., R-LED (11a), G-LED (11b) and B-LED (11c) that emit light through a color filter to a displaying unit. The image display apparatus obtains luminous efficiencies for a frame of RGB image signal (S2), calculates a light leak amount and then detects whether the halo phenomenon may occur or not (S3-S5). When the halo phenomenon is considered to occur, the luminous efficiencies of LEDs (11a, 11b, 11c) included in the liquid crystal display apparatus are controlled to make the light from the LEDs (11a, 11b, 11c) become close to white light (S8).

    摘要翻译: 期望提供一种图像显示装置和图像显示方法,其可以降低由于通过来自LED的非对应滤色器的光的泄漏引起的光晕现象而损害图像质量的风险。 图像显示装置可以分别控制通过彩色滤光器向显示单元发射光的多个彩色LED即R-LED(11a),G-LED(11b)和B-LED(11c)的发光效率。 图像显示装置获得RGB图像信号的帧的发光效率(S2),计算漏光量,然后检测是否可能发生光晕现象(S3-S5)。 当考虑发生光晕现象时,控制包括在液晶显示装置中的LED(11a,11b,11c)的发光效率,以使来自LED(11a,11b,11c)的光变得接近白光( S8)。

    Image processing system
    6.
    发明授权
    Image processing system 失效
    图像处理系统

    公开(公告)号:US4791678A

    公开(公告)日:1988-12-13

    申请号:US161274

    申请日:1988-02-22

    CPC分类号: G06T5/20

    摘要: An image processing system mainly used in an image verification system for detecting and correcting distortion of an input image includes the following devices; an image memory for storing a digitized image before, during, and after correction, a working memory for temporarily storing intermediate data of the image on correction, density level extension devices for extending the density level or gradation of the image by repeatedly reading out the contents of the image memory and the working memory by using a matrix window containing picture elements of the image, a density slope detection device for detecting the extended density level and calculating a density slope or gradient by using the matrix window, and a correction device for correcting density distribution and line width of the image based on the extended density level and the calculated density slope.

    摘要翻译: 主要用于检测和校正输入图像失真的图像验证系统中的图像处理系统包括以下装置; 用于在校正之前,之中和之后存储数字化图像的图像存储器,用于临时存储修正图像的中间数据的工作存储器,用于通过重复读出内容来扩展图像的浓度级或灰度级的浓度级扩展装置 通过使用包含图像的图像的矩阵窗口的图像存储器和工作存储器,密度斜率检测装置,用于通过使用矩阵窗口来检测扩展密度级别并计算密度斜率或梯度;以及校正装置, 基于扩展密度水平和计算密度斜率的图像的密度分布和线宽。

    Image display device and image display method
    7.
    发明授权
    Image display device and image display method 有权
    图像显示装置和图像显示方法

    公开(公告)号:US08842109B2

    公开(公告)日:2014-09-23

    申请号:US13145079

    申请日:2010-01-16

    摘要: The occurrence of the halo phenomenon caused in a display panel unit is detected in a liquid crystal display device that displays an image in the display panel unit including color filters of a plurality of colors by respectively controlling emission ratios of a plurality of LEDs emitting lights of colors respectively corresponding to the plurality of color filters. Upon detection, a part of the display panel unit, for example, the channel number and the vicinity thereof are set as a non-detection area in which the detection of the halo phenomenon is restricted and the remaining area is set as a detection area. The chroma of light, which corresponds to mixed light from the plurality of LEDs, is reduced by controlling the emission ratios of the LEDs on the basis of the detection result in the detection area, so that the color of light is closer to white.

    摘要翻译: 在显示面板单元中产生的光晕现象的发生在液晶显示装置中被检测到,该液晶显示装置通过分别控制多个发光的多个LED的发光比来显示包括多个颜色的滤色器的显示面板单元中的图像 颜色分别对应于多个滤色器。 在检测到时,显示面板单元的一部分,例如通道号及其附近被设置为其中限制光晕现象的检测并且剩余区域被设置为检测区域的非检测区域。 基于检测区域中的检测结果,通过控制LED的发光比来减少对应于来自多个LED的混合光的光的色度,使得光的颜色更接近于白色。

    LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY METHOD
    8.
    发明申请
    LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY METHOD 审中-公开
    液晶显示装置和液晶显示方法

    公开(公告)号:US20120313985A1

    公开(公告)日:2012-12-13

    申请号:US13579695

    申请日:2010-12-13

    申请人: Toshiyuki Gotoh

    发明人: Toshiyuki Gotoh

    IPC分类号: G09G3/36

    摘要: A liquid crystal display device (101) including a liquid crystal panel (4) and an LED backlight (5) which is provided with a plurality of LEDs (5R, 5G, and 5B) that emit light of different colors from a backside of the liquid crystal panel (4), the liquid crystal display device (1), in accordance with a video signal supplied thereto, (i) displaying a color image by controlling an aperture ratio of the liquid crystal panel (4) and luminances of the respective plurality of LEDs (5R, 5G, and 5B), and (ii) controlling the luminances of the respective plurality of LEDs (5R, 5G, and 5B) by pulse width modulation, the liquid crystal display device (101) includes: period dividing means (15) for dividing a frame of a video signal into a plurality of periods; and a pulse width modulating section (20) which generates a pulse signal for causing each of the plurality of LEDs (5R, 5G, and 5B) to emit light so that for each of the plurality of periods into which the period dividing means (15) has divided the frame, the plurality of LEDs (5R, 5G, and 5B) emit light while overlapping with each other. According to this, a deterioration in display quality is prevented by reducing a variation between a luminance ratio set in accordance with each frame and a luminance ratio of light transmitted through a liquid crystal panel.

    摘要翻译: 一种液晶显示装置(101),包括液晶面板(4)和LED背光源(5),所述液晶面板(4)和LED背光源(5)设置有从所述背光源的背面发射不同颜色的光的多个LED(5R,5G和5B) 液晶面板(4),液晶显示装置(1),根据供给的视频信号,(i)通过控制液晶面板(4)的开口率和相应的亮度来显示彩色图像 多个LED(5R,5G和5B),和(ii)通过脉宽调制来控制各个LED(5R,5G和5B)的亮度,液晶显示装置(101)包括:周期分割 用于将视频信号的帧划分成多个周期的装置(15); 以及脉冲宽度调制部(20),其产生用于使所述多个LED(5R,5G,5B)中的每一个发光的脉冲信号,使得对于所述周期分割装置(15 )已经划分了帧,多个LED(5R,5G和5B)彼此重叠地发光。 因此,通过减少根据每一帧设置的亮度比与透射通过液晶面板的光的亮度比之间的变化来防止显示质量的劣化。

    IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD
    9.
    发明申请
    IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD 有权
    图像显示装置和图像显示方法

    公开(公告)号:US20110285681A1

    公开(公告)日:2011-11-24

    申请号:US13145079

    申请日:2010-01-16

    IPC分类号: G09G5/02

    摘要: The occurrence of the halo phenomenon caused in a display panel unit is detected in a liquid crystal display device that displays an image in the display panel unit including color filters of a plurality of colors by respectively controlling emission ratios of a plurality of LEDs emitting lights of colors respectively corresponding to the plurality of color filters. Upon detection, a part of the display panel unit, for example, the channel number and the vicinity thereof are set as a non-detection area in which the detection of the halo phenomenon is restricted and the remaining area is set as a detection area. The chroma of light, which corresponds to mixed light from the plurality of LEDs, is reduced by controlling the emission ratios of the LEDs on the basis of the detection result in the detection area, so that the color of light is closer to white.

    摘要翻译: 在显示面板单元中产生的光晕现象的发生在液晶显示装置中被检测到,该液晶显示装置通过分别控制多个发光的多个LED的发光比来显示包括多个颜色的滤色器的显示面板单元中的图像 颜色分别对应于多个滤色器。 在检测到时,显示面板单元的一部分,例如通道号及其附近被设置为其中限制光晕现象的检测并且剩余区域被设置为检测区域的非检测区域。 基于检测区域中的检测结果,通过控制LED的发光比来减少对应于来自多个LED的混合光的光的色度,使得光的颜色更接近于白色。

    Video display device
    10.
    发明授权
    Video display device 有权
    视频显示设备

    公开(公告)号:US08860746B2

    公开(公告)日:2014-10-14

    申请号:US13057309

    申请日:2009-08-27

    摘要: When conducting video display with a wide color gamut display based on a video signal conforming to a standard (sRGB standard and the like) having a color reproduction range narrower than that of the wide color gamut display, the video processing circuit 2 corrects a color in a prescribed correction target color range partly including a red hue reference range as a center part in the color range of an equal hue from achromatic colors having the lowest saturation to red having the highest saturation in an expanded color reproduction range but not including red having the highest saturation in the expanded color reproduction range, so that the hue may change to a hue akin to yellow in the expanded color reproduction range. In so doing, the hue in the red hue reference range changes to red hue in the color reproduction range conforming to the sRBG standard. Furthermore, the hue change ratio into the hue akin to yellow becomes smaller in a color having a long distance from the red hue reference range in the expanded color reproduction range than a color having a distance close thereto. As a result, the wide color gamut display displayable of bright red having a high saturation can be fully utilized, while at the same time solving the problem of hue displacement in displaying red having an intermediate saturation.

    摘要翻译: 当基于符合具有比宽色域显示窄的颜色再现范围的标准(sRGB标准等)的视频信号进行具有宽色域显示的视频显示时,视频处理电路2校正 规定的修正目标色彩范围,其部分地包括红色调参考范围作为中心部分,在相同色调的色彩范围内,从具有最低饱和度的无色色彩到具有扩展颜色再现范围中具有最高饱和度的红色,但不包括具有 在扩大的颜色再现范围中的最高饱和度,使得色调可以在扩展的色彩再现范围内变为类似于黄色的色调。 在这样做时,红色调参考范围中的色调在符合sRBG标准的色彩还原范围内变为红色。 此外,与扩展色彩再现范围中的红色调参考范围相距远的颜色与距离接近的颜色相比,色调变为与黄色相似的色调的色相变小。 结果,可以充分利用可显示具有高饱和度的亮红色的宽色域显示,同时解决显示具有中间饱和度的红色的色相位移问题。