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    • 32. 发明授权
    • Video signal processing circuit, video display and electronic equipment both using the circuit, and method of adjusting output of digital-analog converters
    • 图像信号处理电路,图像显示装置和使用该图像信号处理电路的电子装置,以及调整数模转换器的输出的方法
    • US06452526B2
    • 2002-09-17
    • US09242905
    • 1999-02-25
    • Takahiro SagawaChiharu KaburagiTakashi Kurumisawa
    • Takahiro SagawaChiharu KaburagiTakashi Kurumisawa
    • H03M166
    • G09G3/3685G09G3/3614G09G3/3688G09G2310/027G09G2310/0297H04N5/66
    • An image signal processing circuit (102) includes a phase-expansion circuit (103), a digital polarity-inversion circuit (104), first to sixth D/A converters (111 to 116), and first to sixth operational amplifiers (151 to 156). The resistance value of the first to sixth amplitude adjusting resistors (121 to 126) which cause the output amplitude of an analog signal output from the first to sixth D/A converters (111 to 116) to be fixed is adjusted by laser trimming. First to sixth gain setting resistors (161 to 166) are connected to the first to sixth operational amplifiers (151 to 156). The first gain setting resistor (161) includes a first resistor (131) and a second resistor (141), and the gain of the operational amplifier (151) is set by the resistance ratio (R2/R1) thereof. In order that this resistance ratio (R2/R1) is fixed for each set, the first resistor (131) and the second resistor (141) are formed on the same substrate by undergoing the same manufacturing process. As a result, there is no need to use the first and second resistors (131, 141) for variable resistors.
    • 图像信号处理电路(102)包括相位扩展电路(103),数字极性反转电路(104),第一至第六D / A转换器(111至116)和第一至第六运算放大器 156)。 通过激光修整来调节使从第一至第六D / A转换器(111至116)输出的模拟信号的输出幅度固定的第一至第六振幅调节电阻器(121至126)的电阻值。 第一至第六增益设置电阻器(161至166)连接到第一至第六运算放大器(151至156)。 第一增益设定电阻器(161)包括第一电阻器(131)和第二电阻器(141),运算放大器(151)的增益由其电阻比(R2 / R1)设定。 为了使每个组的电阻比(R2 / R1)固定,通过进行相同的制造工艺,在同一衬底上形成第一电阻器(131)和第二电阻器(141)。 结果,不需要使用用于可变电阻器的第一和第二电阻器(131,141)。
    • 33. 发明授权
    • Projection device
    • 投影设备
    • US06328447B1
    • 2001-12-11
    • US09203352
    • 1998-12-02
    • Katsunori YamazakiTakashi KurumisawaYoichiro Suzuki
    • Katsunori YamazakiTakashi KurumisawaYoichiro Suzuki
    • G03B2100
    • G02B5/201G02B27/283G03B21/006
    • As a polarization beam separating device constituting a projection device, a thin-film multilayer film (reflective polarizer) is used. The thin-film multilayer film is composed of a plurality of alternately stacked layers including layers having a refractive index in a predetermined direction and a refractive index in a direction perpendicular to the predetermined direction, the refractive indices being almost equal to each other, and layers having different refractive indices in a predetermined direction and in a direction perpendicular to the predetermined direction. The use of the reflective polarizer makes it possible to reflect linearly polarized light polarized in a first direction and to transmit linearly polarized light polarized in a second direction, which is perpendicular to the first direction, with respect to light of almost all wavelengths in the visible region. As a result, the contrast of an image to be projected can be improved.
    • 作为构成投射装置的偏振光束分离装置,使用薄膜多层膜(反射型偏振片)。 薄膜多层膜由多个交替层叠的层构成,所述多个交替层叠层包括具有预定方向的折射率的层和与所述预定方向垂直的方向的折射率,折射率几乎相等, 在预定方向和垂直于预定方向的方向上具有不同的折射率。 反射型偏振器的使用使得可以反射在第一方向上偏振的线偏振光,并且相对于可见光中的几乎所有波长的光透射在与第一方向垂直的第二方向上偏振的线偏振光 地区。 结果,可以提高要投影的图像的对比度。
    • 36. 发明授权
    • Image processing circuit, image display apparatus, and image processing method
    • 图像处理电路,图像显示装置和图像处理方法
    • US07499199B2
    • 2009-03-03
    • US10971074
    • 2004-10-25
    • Takashi KurumisawaKenji MoriHiroshi Horiuchi
    • Takashi KurumisawaKenji MoriHiroshi Horiuchi
    • H04N1/40
    • G09G3/20G09G3/2051G09G2320/0276G09G2320/0666G09G2340/0428
    • Aspects of the invention can provide an image processing circuit for gray scale correction, an image display apparatus, and an image processing method that allow reduction in the storage capacity needed for storing correction characteristics data without increasing clock rate in relation to interpolation processing of correction characteristics. A exemplary image processing circuit according to the invention can be applied, for example, to color correction or gamma correction of color image data. Gray scale correction characteristics data for a number of gray scale levels that is less than the number of gray scale levels of input image data can be stored in first and second lookup table storing units. Considering a gray scale value of a pixel that is being considered for gray scale correction processing as an input gray scale value, the first and second lookup-table storing units are referred to, obtaining an output gray scale value corresponding to the input gray scale value and an output gray scale value corresponding to an adjacent input gray scale value. An adjacent gray scale value refers to a gray scale value that is higher by one or lower by one than another input gray scale value. Then, output gray scale values between these two adjacent output gray scale values can be calculated by linear interpolation, obtaining output values for all input gray scale values. Subsequently, gray scale correction can be performed for each pixel of input image data, outputting corrected image data.
    • 本发明的各方面可以提供用于灰度校正的图像处理电路,图像显示装置和图像处理方法,其能够降低存储校正特性数据所需的存储容量,而不会增加与校正特性的内插处理相关的时钟速率 。 根据本发明的示例性图像处理电路可以应用于例如彩色图像数据的颜色校正或伽马校正。 对于少于输入图像数据的灰度级数的灰度级数的灰度校正特性数据可存储在第一和第二查找表存储单元中。 考虑作为灰度校正处理被考虑的像素的灰度值作为输入灰度值,参考第一和第二查找表存储单元,获得对应于输入灰度值的输出灰度值 以及对应于相邻输入灰度值的输出灰度值。 相邻的灰度值是指比另一个输入灰度值高1或更低的灰度值。 然后,可以通过线性插值计算这两个相邻输出灰度值之间的输出灰度值,获得所有输入灰度值的输出值。 随后,可以对输入图像数据的每个像素执行灰度校正,输出校正后的图像数据。
    • 37. 发明授权
    • Color matching profile generating device, color matching system, color matching method, color matching program, and electronic apparatus
    • 颜色匹配配置文件生成装置,配色系统,颜色匹配方法,配色程序,电子装置
    • US07453601B2
    • 2008-11-18
    • US11061889
    • 2005-02-22
    • Takashi KurumisawaKatsumi KomagamineMasanori Ishida
    • Takashi KurumisawaKatsumi KomagamineMasanori Ishida
    • G06F15/00G06F3/00G06K15/00G03F3/08G09G5/02
    • G09G5/02G01J3/462G09G2320/048G09G2320/0666G09G2340/06G09G2360/144H04N1/603H04N17/02
    • Aspects of the invention provide a color matching profile generating device that, in an apparatus having an input device and an output device, performs a color matching for the input device and the output device and reproduces favorable colors without depending on color characteristics of the devices. The color matching profile generating device can use an input device profile and an output device profile, in addition to a color conversion profile which defines color conversion characteristics in an absolute color space and generates a color matching profile for the input device and the output device. Since the color conversion profile defines the color conversion characteristics in the absolute color space, color conversion can be performed to image data obtained from the input device without depending on characteristics of the input device. Accordingly, by performing a color matching process with the generated color conversion profile, image data can be output with color characteristics determined in the absolute color space, irregardless of characteristics of the output device.
    • 本发明的方面提供了一种颜色匹配简档生成装置,在具有输入装置和输出装置的装置中,对输入装置和输出装置进行颜色匹配并再现有利的颜色,而不依赖于装置的颜色特性。 除了在绝对颜色空间中定义颜色转换特性的颜色转换曲线,并且为输入装置和输出装置生成颜色匹配曲线,颜色匹配轮廓生成装置可以使用输入装置轮廓和输出装置轮廓。 由于颜色转换轮廓限定了绝对颜色空间中的颜色转换特性,因此可以进行颜色转换,而不依赖于输入装置的特性来从输入装置获得的图像数据。 因此,通过利用所生成的颜色转换曲线进行色彩匹配处理,可以输出具有在绝对色彩空间中确定的颜色特性的图像数据,无论输出装置的特性如何。
    • 38. 发明申请
    • Image display device and electronic apparatus
    • 图像显示装置及电子装置
    • US20080198095A1
    • 2008-08-21
    • US11979706
    • 2007-11-07
    • Takashi KurumisawaYusuke Okazaki
    • Takashi KurumisawaYusuke Okazaki
    • G09G5/00G09F9/35
    • G09G3/003G09G3/3648G09G2300/02G09G2300/0452G09G2320/0242G09G2320/068
    • An image display device includes a display panel having a plurality of pixel display portions arranged in a longitudinal direction and a lateral direction thereof, a plurality of slits arranged on the display panel so as to correspond to spaces between the pixel display portions adjacent to each other, an image input unit acquiring a first input image and a second input image, and a display control portion displaying the first input image and the second input image by alternately imparting input pixel data of the first input image and input pixel data of the second input image to the plurality of pixel display portions in the longitudinal direction and the lateral direction, in which the display control portion prepares display pixel data corresponding to specific input pixel data on the basis of the specific input pixel data of each of the first input image and second input image and at least one neighboring input pixel data adjacent to the specific input pixel data in the longitudinal direction or the lateral direction in the corresponding input image using a predetermined synthesis coefficient.
    • 图像显示装置包括具有沿纵向和横向布置的多个像素显示部分的显示面板,布置在显示面板上的多个狭缝,以对应于彼此相邻的像素显示部分之间的空间 获取第一输入图像和第二输入图像的图像输入单元,以及显示控制部分,通过交替地施加第一输入图像的输入像素数据和第二输入的输入像素数据来显示第一输入图像和第二输入图像 图像显示控制部分根据第一输入图像和第一输入图像中的每一个的特定输入像素数据准备与特定输入像素数据相对应的显示像素数据的多个像素显示部分, 第二输入图像和与纵向中的特定输入像素数据相邻的至少一个相邻输入像素数据 使用预定的合成系数在相应的输入图像中的方向或横向。