Light source control device, projector, and light source control method
    31.
    发明授权
    Light source control device, projector, and light source control method 有权
    光源控制装置,投影机和光源控制方式

    公开(公告)号:US08870387B2

    公开(公告)日:2014-10-28

    申请号:US13274711

    申请日:2011-10-17

    摘要: A light source control device and a light source control method each capable of preventing the scroll noise from occurring without being affected by the characteristics of a light modulation device, and a projector equipped with the light source control device are provided. The light source device includes a duty determination section adapted to determine a duty ratio, and a drive control section adapted to perform drive control of a plurality of solid-state light sources by generating a PWM signal having the duty ratio determined by the duty ratio determination section, and adapted to make a phase with which at least one of the solid-state light sources is driven different from a phase with which another of the solid-state light sources is driven.

    摘要翻译: 提供一种光源控制装置和光源控制方法,每个光源控制装置和光源控制方法都能够防止在不受光调制装置的特性的影响的情况下发生滚动噪声,并且提供配备有光源控制装置的投影仪。 光源装置包括适于确定占空比的占空决定部,以及适于通过产生具有由占空比确定确定的占空比的PWM信号来执行多个固态光源的驱动控制的驱动控制部 并且适于使与所述固态光源中的至少一个被驱动的相位不同于所述固态光源中的另一个被驱动的相位。

    Liquid crystal display, control method thereof and electronic device for minimizing flicker
    32.
    发明授权
    Liquid crystal display, control method thereof and electronic device for minimizing flicker 有权
    液晶显示器,其控制方法和用于使闪烁最小化的电子设备

    公开(公告)号:US08704741B2

    公开(公告)日:2014-04-22

    申请号:US12792946

    申请日:2010-06-03

    IPC分类号: G09G3/36

    摘要: A liquid crystal display, applying to the first electrode, a voltage higher and a voltage lower at different timings, detecting a current flowing through the second electrode, designating, as a reference value, the current flowing through the second electrode when the voltage maintained in the liquid crystal element is reset, specifying a first current which is obtained by excluding a charging current due to application of a related higher voltage from currents flowing through the second electrode after the higher voltage is applied to the first electrode, and a second current which is obtained by excluding a charging current due to application of a related lower voltage from currents flowing through the second electrode after the lower voltage is applied to the first electrode, and comparing the first current with the second current, and controlling the first current and the second current based on the comparison result.

    摘要翻译: 一种液晶显示器,在不同的定时施加到较高的电压和较低的电压,检测流经第二电极的电流,指定当电压维持在第二电极时流过第二电极的电流作为参考值 液晶元件被复位,指定在将较高电压施加到第一电极之后,通过从流过第二电极的电流施加相关较高电压而排除充电电流而获得的第一电流;以及第二电流, 通过在将较低电压施加到第一电极之后,通过从流过第二电极的电流施加相关的较低电压而排除充电电流,并且将第一电流与第二电流进行比较,并且控制第一电流和 基于比较结果的第二个电流。

    PROJECTOR
    33.
    发明申请
    PROJECTOR 有权
    投影机

    公开(公告)号:US20130229631A1

    公开(公告)日:2013-09-05

    申请号:US13884241

    申请日:2011-09-28

    IPC分类号: G03B21/14

    摘要: A projector can prevent a flicker from being caused by rotation of a rotating phosphor plate. The projector includes a solid-state light source that emits excitation light, a rotating phosphor plate that converts the excitation light into phosphor light, a liquid-crystal light modulating device that modulates the light from the rotating phosphor plate, a projection optical system that projects the modulated light onto a screen, and a control device that controls the solid-state light source and the rotating phosphor plate so as to satisfy any one of a conditional expression A=B, a conditional expression A=2B, and a conditional expression |A−B| is greater than or equal to 20 and |A−2B| is greater than or equal to 20, where A represents a pulse width modulation control frequency in hertz of the solid-state light source and B represents a rotation frequency in hertz of the rotating phosphor plate.

    摘要翻译: 投影机可以防止由于旋转的荧光体板的旋转引起的闪烁。 投影机包括发射激发光的固态光源,将激发光转换成荧光灯的旋转荧光板,调制来自旋转荧光板的光的液晶光调制装置,投影光学系统 调制光到屏幕上,以及控制装置,其控制固态光源和旋转荧光板,以满足条件表达式A = B,条件表达式A = 2B和条件表达式| AB | 大于或等于20,| A-2B | 大于或等于20,其中A表示固态光源的赫兹的脉冲宽度调制控制频率,B表示旋转荧光体板的赫兹旋转频率。

    Electro-optical device, driving method thereof, and electronic apparatus with adjustable ratio between positive and negative field using black display voltage
    34.
    发明授权
    Electro-optical device, driving method thereof, and electronic apparatus with adjustable ratio between positive and negative field using black display voltage 有权
    电光装置及其驱动方法以及使用黑色显示电压在正场和负场之间具有可调比率的电子设备

    公开(公告)号:US08339389B2

    公开(公告)日:2012-12-25

    申请号:US12544748

    申请日:2009-08-20

    IPC分类号: G06F3/038 G09G3/36 G09G5/00

    摘要: A method of driving an electro-optical device having scanning lines, data lines, a switching transistor and a pixel electrode. The device also has an electro-optical layer interposed between the pixel electrode and a counter electrode. The method includes: supplying a data signal alternate between a positive and a negative voltage to the pixel electrode. The positive voltage has a potential greater than a counter electrode potential applied to the counter electrode and the negative voltage is a potential lower than the counter electrode potential; setting the counter electrode potential to reduce a flicker; supplying a first voltage that is either the positive or negative voltage to the pixel electrode in a first period; the other voltage to the pixel electrode in a second period. A ratio of the first period to the second period is variable.

    摘要翻译: 驱动具有扫描线,数据线,开关晶体管和像素电极的电光装置的方法。 该装置还具有插入在像素电极和对电极之间的电光层。 该方法包括:向像素电极提供在正电压和负电压之间交替的数据信号。 正电压具有大于施加到对电极的对电极电位的电位,并且负电压是低于对电极电位的电位; 设置对电极电位以减少闪烁; 在第一周期中向像素电极提供正或负电压的第一电压; 在第二周期中向像素电极施加另一电压。 第一周期与第二周期的比率是可变的。

    Image display method and device, and projector
    35.
    发明授权
    Image display method and device, and projector 有权
    图像显示方法和装置以及投影机

    公开(公告)号:US07649574B2

    公开(公告)日:2010-01-19

    申请号:US11296358

    申请日:2005-12-08

    申请人: Takashi Toyooka

    发明人: Takashi Toyooka

    IPC分类号: H04N11/06 H04N5/57

    摘要: An image display method of splitting a frame into a plurality of sub frames by multiplying a frame frequency of an incoming image signal by an integer, and dividing an image that is originally for the frame into pieces for display on the sub frames. In the image display method, the luminance component included in the image is given a priority for display on a first sub frame that is at least one of the sub frames, and a color-difference component included in the image is given a priority for display on a second sub frame that is also one of the sub frames but not the first sub frame.

    摘要翻译: 一种图像显示方法,通过将输入图像信号的帧频乘以整数将帧分割成多个子帧,并且将最初用于该帧的图像划分成用于在子帧上显示的片段。 在图像显示方法中,包括在图像中的亮度分量被给予在作为至少一个子帧的第一子帧上显示的优先级,并且包括在图像中的色差分量被给予显示的优先级 在也是子帧之一而不是第一子帧的第二子帧上。

    Image display apparatus and image display method
    37.
    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:US20080030629A1

    公开(公告)日:2008-02-07

    申请号:US11882050

    申请日:2007-07-30

    申请人: Takashi Toyooka

    发明人: Takashi Toyooka

    IPC分类号: H04N5/74

    摘要: The invention provides an image display method of displaying an image on a projection plane in response to an input video signal. The method includes steps of: emitting each of multiple color lights having mutually different hues; modulating the each of the multiple color lights; controlling light emission amounts of the multiple color lights individually, based on an analyzed result of the video signal; and correcting tone values of the video signal to generate a driving signal, for providing the modulation. The tone values are corrected such that a plurality of luminance profiles of the multiple color lights approximate each other, the plurality of luminance profiles being varied independently by individually controlling the amounts of light emission, each of the plurality of luminance profiles representing a relation between the tone value and relative luminance value for each of the modulated multiple color light.

    摘要翻译: 本发明提供一种响应于输入视频信号在投影平面上显示图像的图像显示方法。 该方法包括以下步骤:发射具有相互不同色调的多个彩色光; 调制每个多色灯; 基于视频信号的分析结果,分别控制多色灯的发光量; 以及校正视频信号的色调值以产生用于提供调制的驱动信号。 校正色调值,使得多个颜色的光的多个亮度分布彼此近似,通过单独控制发光量来独立地改变多个亮度分布,所述多个亮度分布中的每一个表示所述多个亮度分布之间的关系 每个调制的多色光的色调值和相对亮度值。

    Magnetic bubble generator using plural conductors with common current
source
    39.
    发明授权
    Magnetic bubble generator using plural conductors with common current source 失效
    使用具有共同电流源的多个导体的磁性气泡发生器

    公开(公告)号:US5014239A

    公开(公告)日:1991-05-07

    申请号:US308081

    申请日:1989-02-09

    IPC分类号: G11C11/14 G11C19/08

    CPC分类号: G11C19/0858

    摘要: In a magnetic bubble generator having an ion-implanted track (1), a conductor pattern is composed of hairpin conductor patterns (5, 6) of two layers with an insulating layer (12) interlaid, and a part of intersection of the fore end parts of the gaps of these hairpin conductor patterns (5,6) is positioned in the vicinity of a cusp (4) of the ion-implanted track (1). The hairpin conductors may be electrically connected to each other and may be supplied by a common source. Thereby an error to be caused by a generated bubble stretching so much as to be divided into a plurality of pieces can be prevented, and the bubble can be generated by a small current pulse, while the amplitude margin thereof is enlarged.

    摘要翻译: 在具有离子注入轨道(1)的磁性气泡发生器中,导体图案由两层的发夹导体图案(5,6)组成,其中包含绝缘层(12),并且前端的一部分交叉 这些发夹导体图案(5,6)的间隙的一部分位于离子注入轨道(1)的尖点(4)附近。 发夹导体可以彼此电连接并且可以由公共源提供。 因此,可以防止由产生的气泡拉伸而被分成多个部分引起的误差,并且可以通过小的电流脉冲产生气泡,同时其幅度裕度被扩大。