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    • 52. 发明授权
    • Apparatus and method of driving active matrix liquid crystal display
    • 驱动有源矩阵液晶显示器的装置和方法
    • US6104370A
    • 2000-08-15
    • US179407
    • 1998-10-27
    • Shintaro NakagakiTsutou AsakuraMasato Furuya
    • Shintaro NakagakiTsutou AsakuraMasato Furuya
    • G02F1/133G09G3/20G09G3/34G09G3/36
    • G09G3/3648
    • A liquid crystal displaying apparatus has an active matrix liquid crystal display provided with a plurality of liquid crystal displaying devices arranged in a horizontal and a vertical direction to form a matrix. The apparatus further includes a horizontal driver provided along rows of the devices, a first vertical driver provided along the leftmost column of the devices and a second vertical driver provided along the rightmost column of the devices. The horizontal driver supplies video signals to the devices by scanning the devices left to right or right to left in a direction of the rows. The first vertical driver supplies control signals to the liquid crystal display to turn on the devices from the leftmost to the rightmost column of the devices when the horizontal driver scans the devices left to right in the direction of the rows. On the other hand, the second vertical driver supplies control signals to the liquid crystal display to turn on the devices from the rightmost to the leftmost column of the devices when the horizontal driver scans the devices right to left in the direction of the rows. The horizontal driver may include a first horizontal driving section provided along the uppermost row of the devices and a second horizontal driving section provided along the lowermost row of the devices. The first horizontal driving section scans the devices left to right in the direction of the rows or the second horizontal driving section scans the devices right to left in the direction of the rows in response to a selection signal.
    • 液晶显示装置具有设置有沿水平和垂直方向布置的多个液晶显示装置的有源矩阵液晶显示器,以形成矩阵。 该装置还包括沿设备的行设置的水平驱动器,沿设备的最左列设置的第一垂直驱动器和沿设备的最右边的列提供的第二垂直驱动器。 水平驱动器通过沿着行的方向向左或向右扫描设备向设备提供视频信号。 第一垂直驱动器向液晶显示器提供控制信号,以便当水平驱动器沿着行的方向从左到右扫描装置时,将设备从设备的最左边列开始。 另一方面,当水平驱动器沿着行的方向从左到右扫描装置时,第二垂直驱动器向液晶显示器提供控制信号以将设备从设备的最右侧列开始。 水平驱动器可以包括沿着装置的最上排设置的第一水平驱动部分和沿着装置的最下排设置的第二水平驱动部。 第一水平驱动部分沿着行的方向从左到右扫描装置,或者第二水平驱动部分响应于选择信号,在行方向上从左到右扫描装置。
    • 53. 发明授权
    • Apparatus and method of displaying image by liquid crystal display device
    • 液晶显示装置显示图像的装置及方法
    • US06215465B1
    • 2001-04-10
    • US09154170
    • 1998-09-16
    • Tsutou AsakuraMasato Furuya
    • Tsutou AsakuraMasato Furuya
    • G09G336
    • G09G5/006G09G3/3611G09G3/3614
    • An input analog video signal is converted into digital video data. The digital video data is inverted to inverted digital video data. The digital video data and the inverted digital video data are selectively output for each one field period of the input analog video signal. The selectively output digital video data and the inverted digital video data are converted into a first and a second analog video signal. The first and second analog video signals are adjusted at different first and second bias voltage levels, respectively. The adjusted first and second analog video signals are selectively output to a liquid crystal display device for each one field period. It is preferable to output the same digital video data twice for each one field period before inversion. In this case, the digital video data and the inverted digital video data are selectively output for each ½ field period, and the adjusted first and second analog video signals are selectively output for each ½ field period.
    • 输入模拟视频信号被转换为数字视频数据。 数字视频数据被反转成反转的数字视频数据。 对于输入的模拟视频信号的每个场周期,选择性地输出数字视频数据和反相数字视频数据。 选择输出的数字视频数据和反相的数字视频数据被转换成第一和第二模拟视频信号。 分别在不同的第一和第二偏置电压电平调节第一和第二模拟视频信号。 调整后的第一和第二模拟视频信号在每个场周期选择性地输出到液晶显示装置。 优选地,在反转之前的每个场周期输出相同的数字视频数据两次。 在这种情况下,每半场周期选择性地输出数字视频数据和反相数字视频数据,并且每1/2场期间选择性地输出调整的第一和第二模拟视频信号。
    • 54. 发明授权
    • Liquid-crystal display apparatus
    • 液晶显示装置
    • US5907314A
    • 1999-05-25
    • US739283
    • 1996-10-29
    • Ichiro NegishiTsutou AsakuraMasato FuruyaYuji UchiyamaHiroyuki Bonde
    • Ichiro NegishiTsutou AsakuraMasato FuruyaYuji UchiyamaHiroyuki Bonde
    • H04N5/66G09G3/20G09G3/36G09G5/39G09G5/399
    • G09G3/3614G09G3/3666G09G3/3677G09G2310/0205G09G2310/0229G09G2320/0247G09G3/2011G09G5/39G09G5/399
    • A liquid-crystal display apparatus includes a layer of liquid crystal. A matrix array is composed of scanning electrodes and signal electrodes. The scanning electrodes extend along a matrix row direction. The signal electrodes extend along a matrix column direction. Switching circuit elements are located at respective places where the scanning electrodes intersect with the signal electrodes. Pixel electrodes connected to the switching circuit elements are operative for controlling portions of the liquid-crystal layer respectively. A first device is operative for driving the scanning electrodes. A second device is operative for delaying a first video signal into a second video signal. A third device is operative for alternately selecting one out of the first video signal and the second video signal to generate a third video signal in response to the first video signal and the second video signal. A fourth device is operative for periodically inverting a polarity of the third video signal at a timing synchronous with alternately selecting by the third device to convert the third video signal into a fourth video signal. A fifth device is operative for feeding the fourth video signal to the signal electrodes.
    • 液晶显示装置包括液晶层。 矩阵阵列由扫描电极和信号电极构成。 扫描电极沿矩阵行方向延伸。 信号电极沿矩阵列方向延伸。 开关电路元件位于扫描电极与信号电极交叉的各处。 连接到开关电路元件的像素电极分别用于控制液晶层的部分。 第一装置用于驱动扫描电极。 第二装置用于将第一视频信号延迟到第二视频信号。 第三装置可操作用于交替地选择第一视频信号和第二视频信号中的一个,以响应于第一视频信号和第二视频信号产生第三视频信号。 第四装置用于在与第三装置的交替选择同步的定时周期性地反转第三视频信号的极性,以将第三视频信号转换为第四视频信号。 第五装置用于将第四视频信号馈送到信号电极。
    • 55. 发明授权
    • Active matrix type liquid crystal display apparatus used for a video display system
    • 用于视频显示系统的有源矩阵型液晶显示装置
    • US06239779B1
    • 2001-05-29
    • US09262803
    • 1999-03-04
    • Masato FuruyaTsutou Asakura
    • Masato FuruyaTsutou Asakura
    • G09G336
    • G09G3/3677G09G3/3614G09G3/3648G09G2310/0205G09G2310/0224G09G2310/0281G09G2320/0223
    • A video signal of the non-interlaced scanning type is converted into a video signal of the interlaced scanning type by alternately selecting odd-number horizontal scanning line signals or even-number horizontal scanning line signals in synchronism with the start timing of each field period. The polarity of the video signal is inverted every vertical scanning period. During a first vertical scanning period, the odd-number video signal is written to respective sets of two neighboring line scanning electrodes (G1, G2), (G3, G4), (G5, G6), - - - . During a second vertical scanning period, the even-number video signal is written to another sets of two neighboring line scanning electrodes (G2, G3), (G4, G5), (G6, G7), - - - . The time axis of each horizontal scanning period is doubled. The drive frequency of a row signal electrode drive circuit is halved.
    • 通过与每个场周期的开始定时同步地交替地选择奇数水平扫描线信号或偶数水平扫描线信号,将非隔行扫描类型的视频信号转换成隔行扫描类型的视频信号。 视频信号的极性在垂直扫描期间反转。 在第一垂直扫描期间,将奇数视频信号写入两组相邻的行扫描电极(G1,G2),(G3,G4),(G5,G6), - - 。 在第二垂直扫描期间,将偶数视频信号写入两组相邻的行扫描电极(G2,G3),(G4,G5),(G6,G7), - - 。 每个水平扫描周期的时间轴加倍。 行信号电极驱动电路的驱动频率减半。
    • 57. 发明授权
    • Apparatus for displaying image on liquid crystal pixels arranged in
matrix layout
    • 用于在以矩阵布局排列的液晶像素上显示图像的装置
    • US5926160A
    • 1999-07-20
    • US773902
    • 1996-12-27
    • Masato Furuya
    • Masato Furuya
    • G02F1/133G09G3/36
    • G09G3/3648G09G2300/0809G09G2300/0842G09G2310/06G09G2320/0247
    • A plurality of pixel elements are arranged in a matrix layout, and an alternating current exciting signal having a plurality of exciting pulses is supplied to each pixel element. Each pixel element has a first MOS-FET in which one picture signal is received at a drain every one horizontal scanning period, one scanning signal is received at a gate every one frame period and a charge signal having a charge voltage relating to a picture voltage of the picture signal is output from a source, a second MOS-FET in which the alternating current exciting signal is received at a drain, the charge signal is received at a gate and a pixel electrode voltage of a pixel electrode signal relating to the charge voltage is output from a source, a condenser for maintaining the charge voltage of the charge signal until a next frame period, and a liquid crystal displaying device for emitting light according to the pixel electrode signal to display a pixel image. Because the pixel electrode voltage relates to the picture voltage, a brightness of the pixel image relates to the picture signal, so that an excellent displaying characteristic in gray scale. Also, a frequency of the pixel electrode signal is the same as that of the alternating current exciting signal, so that any flicker in an image composed of the pixel images can be prevented.
    • 多个像素元件以矩阵布局布置,并且具有多个激励脉冲的交流激励信号被提供给每个像素元件。 每个像素元件具有第一MOS-FET,其中每个水平扫描周期在漏极处接收一个图像信号,每个帧周期在栅极处接收一个扫描信号,并且具有与图像电压有关的电荷电压的电荷信号 从源极输出图像信号,在漏极接收交流励磁信号的第二MOS-FET,在栅极处接收充电信号,并且与电荷相关的像素电极信号的像素电极电压 从源极输出电压,用于维持充电信号的充电电压直到下一帧周期的电容器,以及根据像素电极信号发光的液晶显示装置,以显示像素图像。 由于像素电极电压与图像电压有关,所以像素图像的亮度与图像信号有关,因此具有优异的灰度显示特性。 此外,像素电极信号的频率与交流激励信号的频率相同,从而可以防止由像素图像组成的图像中的任何闪烁。
    • 59. 发明授权
    • Liquid crystal display
    • 液晶显示器
    • US06972432B1
    • 2005-12-06
    • US10679450
    • 2003-10-07
    • Masato Furuya
    • Masato Furuya
    • G02F1/1335G02F1/1343G02F1/1362G02F1/1368H01L29/04
    • G02F1/136209G02F1/133553G02F1/136213G02F1/13624
    • In a liquid crystal display, a metal layer forms a first light blocking layer having an opening that is shifted from gaps between adjacent reflective electrodes. Accordingly, light entering the gaps is blocked by the metal layer and does not directly reach lower layers. Between the reverses of the reflective electrodes and the surface of the light blocking layer made of the metal layer, light may be reflected multiple times and may leak through the opening of the light blocking layer toward lower layers than the metal layer. Such leakage of light is blocked by wiring regions that cover transistor diffusion regions, respectively. As a result, light is substantially completely blocked before reaching the diffusion regions, i.e., photosensitive regions of first and second transistors.
    • 在液晶显示器中,金属层形成具有从相邻反射电极之间的间隙偏移的开口的第一遮光层。 因此,进入间隙的光被金属层阻挡,并且不直接到达下层。 在反射电极的反向和由金属层制成的遮光层的表面之间,光可以反射多次,并且可能通过遮光层的开口朝向比金属层更低的层泄漏。 光的这种泄漏分别被覆盖晶体管扩散区的布线区阻挡。 结果,在到达扩散区域即第一和第二晶体管的光敏区域之前,光基本上被完全阻挡。
    • 60. 发明申请
    • Optical system and projection display device
    • 光学系统和投影显示设备
    • US20090116085A1
    • 2009-05-07
    • US12289942
    • 2008-11-07
    • Makoto YoshimuraMasato FuruyaMasaru KanazawaYuichi Kusakabe
    • Makoto YoshimuraMasato FuruyaMasaru KanazawaYuichi Kusakabe
    • G03H1/10
    • H04N9/3126H04N9/3105H04N13/324H04N13/334H04N13/337H04N13/363
    • An optical system capable of outputting hi-contrast images and multi-primary color or 3-dimensional images is provided. Light in primary colors RGB modulated in a first modulation optical system is transmitted through a relay lens 36 and further divided into a P-polarized light and an S-polarized light by a PS separation wire grid 37. The S-polarized light is transmitted through a wavelength spectral filter 39 to select red/green/blue light components R1, G1, B1 of 615, 515, 450 nm in wavelength, which are then modulated by a Y1 device 44. The P-polarized light is transmitted through a wavelength spectral filter 46 to select red/green/blue light components R2, G2, B2 of 650, 550, 475 nm in wavelength, which are then modulated by a Y2 device 51. The 3-primary color lights modulated by the Y1/Y2 devices 44, 51 are combined with each other at a PS composite wire grid 55 to project a synthetic light on a screen.
    • 提供了能够输出高对比度图像和多原色或三维图像的光学系统。 在第一调制光学系统中RGB调制的原色的光通过中继透镜36传输,并且通过PS分离线格栅37进一步分为P偏振光和S偏振光.S偏振光透射通过 波长谱滤波器39,用于选择波长为615,515,450nm的红/绿/蓝光分量R1,G1,B1,然后由Y1器件44调制.P偏振光透过波长光谱 滤波器46选择650,550,475nm波长的红/绿/蓝光分量R2,G2,B2,然后由Y2装置51调制。由Y1 / Y2装置44调制的3原色光 ,51在PS复合线栅55处相互组合,以将合成光投射在屏幕上。