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    • 2. 发明申请
    • Video Display Apparatus and Video Display Method
    • 视频显示设备和视频显示方法
    • US20100134404A1
    • 2010-06-03
    • US12485709
    • 2009-06-16
    • Masaki TsuchidaKen Ito
    • Masaki TsuchidaKen Ito
    • G09G3/36H04N3/14
    • G09G3/3426G09G3/3611G09G2320/0233G09G2320/0261G09G2320/0646
    • According to one embodiment, a video display apparatus includes a display module, a light source device, a video signal input module, a virtual illumination value calculator, a light source illumination value calculator, and a light source controller. The light source device is divided into light source areas in a honeycomb shape and provided with light sources to light up the light source areas. The virtual illumination value calculator calculates an area illumination value indicating the brightness of light source areas to light up based on a video signal received by the video signal input module. The light source illumination value calculator calculates a light source illumination value to light up the light sources based on the area illumination value. The light source controller lights up the light sources synchronously with the video signal being displayed on the display module based on the light source illumination value.
    • 根据一个实施例,视频显示装置包括显示模块,光源装置,视频信号输入模块,虚拟照明值计算器,光源照明值计算器和光源控制器。 光源装置被分割为蜂窝状的光源区域,并且设置有用于点亮光源区域的光源。 虚拟照明值计算器基于由视频信号输入模块接收的视频信号,计算指示点亮的光源区域的亮度的面积照明值。 光源照射值计算器基于面积照明值计算光源照射值以照亮光源。 光源控制器基于光源照明值与显示模块上显示的视频信号同步地点亮光源。
    • 3. 发明申请
    • LIGHT-EMISSION CONTROL DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
    • 发光控制装置和液晶显示装置
    • US20090289890A1
    • 2009-11-26
    • US12327741
    • 2008-12-03
    • Masaki TsuchidaKen Ito
    • Masaki TsuchidaKen Ito
    • G09G3/36
    • G09G3/3426G09G2320/0646
    • According to one embodiment, a light-emission control device controls light emission of light sources of a light emitter including a plurality of light source areas each corresponding to one of the light sources, and includes a virtual light-value calculator, a light-value calculator, and a light controller. The virtual light-value calculator calculates a virtual light value for each virtual light source area including a light source area and a virtual area obtained by virtually dividing the light emitter into areas different in size from the light source areas. The light-value calculator calculates a light value of a light sources corresponding to the light source area based on the virtual light value. The light controller lights the light source based on the light value.
    • 根据一个实施例,发光控制装置控制发光器的光源的发光,该发光器包括各自对应于一个光源的多个光源区域,并且包括虚拟光值计算器,光值 计算器和灯控制器。 虚拟光值计算器计算每个虚拟光源区域的虚拟光值,该虚拟光源区域包括通过将光发射器虚拟地分为与光源区域不同的区域而获得的光源区域和虚拟区域。 光值计算器基于虚拟光值计算与光源区域对应的光源的光值。 光控制器根据光源点亮光源。
    • 4. 发明授权
    • Light-emission control device and liquid crystal display apparatus
    • 发光控制装置和液晶显示装置
    • US08159451B2
    • 2012-04-17
    • US12327741
    • 2008-12-03
    • Masaki TsuchidaKen Ito
    • Masaki TsuchidaKen Ito
    • G09G3/36
    • G09G3/3426G09G2320/0646
    • According to one embodiment, a light-emission control device controls light emission of light sources of a light emitter including a plurality of light source areas each corresponding to one of the light sources, and includes a virtual light-value calculator, a light-value calculator, and a light controller. The virtual light-value calculator calculates a virtual light value for each virtual light source area including a light source area and a virtual area obtained by virtually dividing the light emitter into areas different in size from the light source areas. The light-value calculator calculates a light value of a light sources corresponding to the light source area based on the virtual light value. The light controller lights the light source based on the light value.
    • 根据一个实施例,发光控制装置控制发光器的光源的发光,该发光器包括各自对应于一个光源的多个光源区域,并且包括虚拟光值计算器,光值 计算器和灯控制器。 虚拟光值计算器计算每个虚拟光源区域的虚拟光值,该虚拟光源区域包括通过将光发射器虚拟地分为与光源区域不同的区域而获得的光源区域和虚拟区域。 光值计算器基于虚拟光值计算与光源区域对应的光源的光值。 光控制器根据光源点亮光源。
    • 5. 发明授权
    • Light-emission control device and liquid-crystal display apparatus
    • 发光控制装置和液晶显示装置
    • US07928957B2
    • 2011-04-19
    • US12327746
    • 2008-12-03
    • Masaki TsuchidaKen Ito
    • Masaki TsuchidaKen Ito
    • G09G3/36
    • G09G3/3426G09G2320/0261G09G2320/0646G09G2330/021G09G2360/16
    • According to one embodiment, a light-emission control device controls light emission of light sources of a light emitter including a plurality of light source areas each corresponding to one of the light sources, and includes a light-value calculator, a light-value modifying module, and a light controller. The light-value calculator calculates a light value for each of the light source areas. The light source areas include a target area for which a light value is to be modified and surrounding areas surrounding the target area. The light-value modifying module modifies a light value calculated for the target area using light values for the surrounding areas. The light controller lights a light source in the target area based on the modified light value.
    • 根据一个实施例,发光控制装置控制包括各自对应于一个光源的多个光源区域的发光器的光源的发光,并且包括光值计算器,光值修改 模块和灯控制器。 光值计算器计算每个光源区域的光值。 光源区域包括要修改光值的目标区域和围绕目标区域的周围区域。 光值修改模块使用周围区域的光值修改针对目标区域计算的光值。 光控制器根据修改的光值对目标区域中的光源进行点亮。
    • 7. 发明申请
    • IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD
    • 图像显示装置和图像显示方法
    • US20090289879A1
    • 2009-11-26
    • US12348793
    • 2009-01-05
    • Ken ItoMasaki Tsuchida
    • Ken ItoMasaki Tsuchida
    • G09G3/36G06K9/40
    • G09G3/342G09G3/3648G09G2320/0247G09G2320/0252G09G2320/0261G09G2320/0613G09G2320/0646G09G2340/16G09G2360/16
    • According to one embodiment, an image display device includes an image-signal input module, an image-quality corrector, a light emitter, and a liquid-crystal display module. The image-signal input module receives an image signal. The image-quality corrector performs, based on an image-quality correction amount, an image-quality correction process on the image signal. The light emitter includes a plurality of light sources for emitting light. The liquid-crystal display module modulates, among light emitted from the light sources, light transmitted through the liquid crystal to display an image according to the image signal subjected to the image-quality correction process. The light emitter emits the light according to the image signal with less image-quality correction amount than that of the image signal subjected to the image-quality correction process.
    • 根据一个实施例,图像显示装置包括图像信号输入模块,图像质量校正器,发光器和液晶显示模块。 图像信号输入模块接收图像信号。 图像质量校正器基于图像质量校正量执行对图像信号的图像质量校正处理。 光发射器包括用于发光的多个光源。 在从光源发出的光中,液晶显示模块根据经过图像质量校正处理的图像信号调制透过液晶的光以显示图像。 光发射器根据图像信号发射光,图像质量校正量小于经过图像质量校正处理的图像信号的图像质量校正量。
    • 9. 发明申请
    • BACKLIGHT CONTROL UNIT AND BACKLIGHT CONTROL METHOD
    • 背光控制单元和背光控制方法
    • US20080150433A1
    • 2008-06-26
    • US11947493
    • 2007-11-29
    • Masaki TSUCHIDAKen Ito
    • Masaki TSUCHIDAKen Ito
    • H05B37/02
    • H05B33/0851G09G3/3426G09G2320/0233G09G2360/14G09G2360/145
    • According to one embodiment, a light emitting portion of a backlight control unit is a direct lighting type. Accordingly, a light emission intensity of all over the light emitting portion cannot be measured by disposing an optical sensor at a portion as a conventional way. However, in the backlight control unit, a light emission control with high accuracy is realized while suppressing a variation between areas on a basis of a measurement of the light emission intensity of all over the light emitting portion, because an optical sensor detects each light source, a measuring device measures the light emitting intensity thereof, and a backlight control portion performs a control of the light emission intensity of each light source based on a measurement result of the measuring device.
    • 根据一个实施例,背光控制单元的发光部分是直接照明型。 因此,通过以常规的方式在一部分设置光学传感器,不能测量整个发光部分的发光强度。 然而,在背光源控制单元中,由于光学传感器检测到各光源,因此在基于发光部的发光强度的测量的基础上,抑制区域之间的变化,实现高精度的发光控制 测量装置测量其发光强度,并且背光控制部分基于测量装置的测量结果来执行每个光源的发光强度的控制。