利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

49 条记录 (耗时 0.057 秒)

    BACKLIGHT DEVICE AND DISPLAY APPARATUS
    4.
    发明申请
    BACKLIGHT DEVICE AND DISPLAY APPARATUS 审中-公开
    背光装置和显示装置

    公开(公告)号：US20110316902A1

    公开(公告)日：2011-12-29

    申请号：US13255365

    申请日：2010-09-29

    申请人： Toshiki Onishi ,  Hideyuki Nakanishi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Akihiro Yamamura ,  Seiji Hamada

    发明人： Toshiki Onishi ,  Hideyuki Nakanishi ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Akihiro Yamamura ,  Seiji Hamada

    IPC分类号： G09G5/10 ,  G09G3/36

    CPC分类号： G09G3/3426 ,  G09G3/3611 ,  G09G2310/024 ,  G09G2320/0261 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/066 ,  G09G2320/10 ,  G09G2320/106 ,  G09G2360/16 ,  H04N5/144 ,  H04N5/44591 ,  H04N5/66 ,  H04N21/4318 ,  H04N21/44008

    摘要： Provided is a backlight device, wherein when both the drive duty and the drive current are controlled in each of separated areas, the image quality is improved by preventing the change of luminance even when there is a difference between the adjustment resolutions of both the drive duty and the drive current. A light-emitting unit (121) comprises a plurality of light-emitting areas. A motion amount detecting unit (131) detects the motion amount of an image in each of a plurality of motion areas each corresponding to at least one or more light-emitting areas. A drive condition specifying unit specifies a drive condition including the duty and pulse height value of a drive pulse for causing each of the plurality of light-emitting areas to emit light, on the basis of the detected motion amount. A drive unit drives each of the plurality of light-emitting areas according to the specified drive condition. With one of the duty and the pulse height value of the drive pulse, the adjustment resolution of which of the drive unit with respect to the light emission luminance is lower, as a first parameter and the other the adjustment resolution of which is higher as a second parameter, the drive condition specifying unit determines the value of the first parameter on the basis of the detected motion amount, and thereafter determines the value of the second parameter on the basis of the determined value of the first parameter.

    摘要翻译： 提供一种背光装置，其中当驱动占空比和驱动电流都在每个分离区域中被控制时，即使当两个驱动占空比的调节分辨率之间存在差异时，也防止亮度变化来提高图像质量 和驱动电流。 发光单元（121）包括多个发光区域。 运动量检测单元（131）检测每个对应于至少一个或多个发光区域的多个运动区域中的每一个中的图像的运动量。 驱动条件指定单元基于检测到的运动量指定包括用于使多个发光区域中的每一个发光的驱动脉冲的占空比和脉冲高度值的驱动条件。 驱动单元根据指定的驱动条件驱动多个发光区域中的每一个。 利用驱动脉冲的占空比和脉冲高度值中的一个，相对于发光亮度的驱动单元的调节分辨率较低，作为第一参数，另一个调整分辨率高于 第二参数，驱动条件指定单元基于检测到的运动量确定第一参数的值，然后基于确定的第一参数的值来确定第二参数的值。

    BACKLIGHT DEVICE AND DISPLAY DEVICE
    5.
    发明申请
    BACKLIGHT DEVICE AND DISPLAY DEVICE 审中-公开
    背光装置和显示装置

    公开(公告)号：US20110304657A1

    公开(公告)日：2011-12-15

    申请号：US13203181

    申请日：2010-09-28

    申请人： Akihiro Yamamura ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Hideyuki Nakanishi ,  Toshiki Onishi ,  Seiji Hamada

    发明人： Akihiro Yamamura ,  Takahiro Kobayashi ,  Yoshio Umeda ,  Hideyuki Nakanishi ,  Toshiki Onishi ,  Seiji Hamada

    IPC分类号： G09G5/10

    CPC分类号： G09G3/3426 ,  G02F1/133603 ,  G02F2001/133601 ,  G09G3/3611 ,  G09G2300/0434 ,  G09G2320/0247 ,  G09G2320/0261 ,  G09G2320/0276 ,  G09G2320/103 ,  G09G2320/106 ,  G09G2360/16

    摘要： Disclosed is a backlight device that reduces elevated black levels and the visibility of flickering when displaying a video. A light-emitting unit (121) is provided with a plurality of light-emitting areas that individually emit illumination light, and illuminates a liquid crystal panel (110) with the illumination light from the plurality of light-emitting areas. A motion detection unit (150) detects image motion from an image signal. A brightness control unit (130) acquires a brightness determination reference value for each light-emitting area on the basis of the image signal, and in regards to each of the plurality of light-emitting areas, weights the acquired brightness determination reference value for each of the one or more light-emitting areas that constitute a weighting region and determines the light emission brightness value for each of the light-emitting areas on the basis of the weighting results. An LED driver (122) drives each of the plurality of light-emitting areas in accordance with the determined light emission brightness value for each of the light-emitting areas. The brightness control unit (130) dynamically sets the light-emitting areas that constitute the weighting areas in accordance with the detected motion.

    摘要翻译： 公开了一种背光装置，其在显示视频时降低升高的黑色电平和闪烁的可见性。 发光单元（121）设置有分别发出照明光的多个发光区域，并且利用来自多个发光区域的照明光照射液晶面板（110）。 运动检测单元（150）从图像信号检测图像运动。 亮度控制单元基于图像信号获取每个发光区域的亮度确定基准值，并且对于多个发光区域中的每一个，对于每个发光区域，对于每个发光区域，获取的亮度确定基准值 构成加权区域的一个或多个发光区域，并且基于加权结果确定每个发光区域的发光亮度值。 LED驱动器（122）根据每个发光区域的确定的发光亮度值来驱动多个发光区域中的每一个。 亮度控制单元（130）根据检测到的运动动态地设定构成加权区域的发光区域。

    Diffraction grating element and optical pickup
    6.
    发明授权
    Diffraction grating element and optical pickup 失效
    衍射光栅元件和光学拾取器

    公开(公告)号：US07119958B2

    公开(公告)日：2006-10-10

    申请号：US10964813

    申请日：2004-10-15

    申请人： Masahiro Kato ,  Yasuyuki Kochi ,  Hideyuki Nakanishi

    发明人： Masahiro Kato ,  Yasuyuki Kochi ,  Hideyuki Nakanishi

    IPC分类号： G02B5/18

    CPC分类号： G11B7/1353 ,  G02B5/1866 ,  G11B7/0901 ,  G11B7/0912 ,  G11B7/0943

    摘要： A diffraction grating element including a diffraction grating area which includes: a first area that is one of two areas into which the diffraction grating area is divided by a first straight line, and is divided, by a second straight line perpendicular to the first straight line, into a first sub-area having a first diffraction grating pattern and a second sub-area having a second diffraction grating pattern, the first and second diffraction grating patterns having different diffraction angles; and a second area that is the other of the two areas into which the diffraction grating area is divided by the first straight line, and is divided into three or more divisional areas that align in a direction perpendicular to the second straight line, the first and second diffraction grating patterns being alternately assigned to each of the divisional areas.

    摘要翻译： 一种衍射光栅元件，包括衍射光栅区域，该衍射光栅区域包括：第一区域，其是衍射光栅区域被第一直线划分的两个区域之一，并且被垂直于第一直线的第二直线划分 进入具有第一衍射光栅图案的第一子区域和具有第二衍射光栅图案的第二子区域，所述第一和第二衍射光栅图案具有不同的衍射角; 以及第二区域，其中衍射光栅区域被第一直线划分成两个区域中的另一个区域，并且被划分为在垂直于第二直线的方向上对准的三个或更多个分区域，第一和第二区域 第二衍射光栅图案被交替地分配给每个分割区域。

    Optical device with diffraction grating having plural grating regions
    8.
    发明授权
    Optical device with diffraction grating having plural grating regions 失效
    具有衍射光栅的光学器件具有多个光栅区域

    公开(公告)号：US06728035B2

    公开(公告)日：2004-04-27

    申请号：US10251471

    申请日：2002-09-20

    申请人： Shoichi Takasuka ,  Shinichi Ijima ,  Hideyuki Nakanishi ,  Akio Yoshikawa ,  Naoki Nakanishi

    发明人： Shoichi Takasuka ,  Shinichi Ijima ,  Hideyuki Nakanishi ,  Akio Yoshikawa ,  Naoki Nakanishi

    IPC分类号： G02B518

    CPC分类号： G11B7/1353 ,  G02B5/1866 ,  G11B7/0903 ,  G11B7/123 ,  G11B7/1356 ,  G11B11/10543 ,  G11B11/10576

    摘要： An optical device includes a light-emitting element for irradiating light onto an information recording medium, a diffraction grating for splitting light emitted from said light-emitting element into a plurality of beams, a focussing member for focussing the plurality of beams onto the information recording medium, a deflection member for deflecting the plurality of beams after they have been reflected from the information recording medium; and a photodetector for receiving the plurality of beams after they have been deflected by the deflection member. The diffraction grating has a first grating region and a second grating region, which have different diffraction efficiencies. The zero-order diffraction light in the first grating region is used as the main beam for reproducing the information signal, and the +1-order or −1-order diffraction light in the second grating regions is used as sub-beams for reproduction of the tracking error signal. Thus, the light amount of both the main beam and the sub-beams can be increased without increasing the light emission of the semiconductor laser element 1, and the S/N ratio of the main beam and the sub-beams can be enhanced.

    摘要翻译： 光学装置包括用于将光照射到信息记录介质上的发光元件，用于将从所述发光元件发射的光分解为多个光束的衍射光栅，用于将多个光束聚焦到信息记录上的聚焦部件 介质，用于在已经从信息记录介质反射之后偏转多个光束的偏转构件; 以及用于在被偏转构件偏转之后接收多个光束的光电检测器。 衍射光栅具有第一光栅区域和第二光栅区域，其具有不同的衍射效率。 将第一光栅区域中的零级衍射光用作再现信息信号的主光束，并且将第二光栅区域中的+ 1级或-1级衍射光用作用于再现 跟踪误差信号。 因此，在不增加半导体激光元件1的发光的同时，可以增加主光束和子光束的光量，并且可以提高主光束和子光束的S / N比。

    Semiconductor light-emitting unit, optical apparatus and optical disk system having heat sinking means and a heating element incorporated with the mounting system
    9.
    发明授权
    Semiconductor light-emitting unit, optical apparatus and optical disk system having heat sinking means and a heating element incorporated with the mounting system 失效
    具有散热装置的半导体发光单元，光学装置和光盘系统以及与安装系统结合的加热元件

    公开(公告)号：US06534794B1

    公开(公告)日：2003-03-18

    申请号：US09633234

    申请日：2000-08-04

    申请人： Hideyuki Nakanishi ,  Yoshiaki Komma ,  Yasuyuki Kochi ,  Akio Yoshikawa

    发明人： Hideyuki Nakanishi ,  Yoshiaki Komma ,  Yasuyuki Kochi ,  Akio Yoshikawa

    IPC分类号： H01L2715

    CPC分类号： H01L33/64 ,  H01S5/02212 ,  H01S5/02292 ,  H01S5/02453 ,  H01S5/0425

    摘要： A semiconductor light-emitting unit includes: a semiconductor laser diode; a photodetector functioning as a sub-mount for mounting the diode thereon; and a heating member, incorporated with the photodetector, for heating the diode. If the ambient temperature of the diode falls within a range where kinks are possibly caused in the low-temperature I-L characteristic of the diode, then current is supplied to the heating member, thereby heating the diode. The heating member may be either a doped region defined within a semiconductor substrate or a doped polysilicon film formed on the substrate. Also, the heating member is preferably located under the laser diode with a heat-dissipating layer and an insulating layer interposed therebetween. The semiconductor light-emitting unit with this structure can effectively eliminate kinks from the low-temperature I-L characteristic of the semiconductor laser diode.

    摘要翻译： 半导体发光单元包括：半导体激光二极管; 用作将二极管安装在其上的子安装座的光电检测器; 以及加热构件，其结合有光电检测器，用于加热二极管。 如果二极管的环境温度落在二极管的低温I-L特性中可能引起扭结的范围内，则向加热部件供电，从而加热二极管。 加热构件可以是限定在半导体衬底内的掺杂区域或形成在衬底上的掺杂多晶硅膜。 此外，加热部件优选位于激光二极管的下方，散热层和介于其间的绝缘层。 具有这种结构的半导体发光单元可以有效地消除半导体激光二极管的低温I-L特性的扭结。

    Circuit for driving piezoelectric transformer
    10.
    发明授权
    Circuit for driving piezoelectric transformer 失效
    用于驱动压电变压器的电路

    公开(公告)号：US06407480B1

    公开(公告)日：2002-06-18

    申请号：US09581974

    申请日：2000-07-12

    申请人： Hideyuki Nakanishi ,  Takahiro Kobayashi

    发明人： Hideyuki Nakanishi ,  Takahiro Kobayashi

    IPC分类号： H01L4108

    CPC分类号： H05B41/2824 ,  H05B41/2822 ,  H05B41/3925

    摘要： In order to provide a piezoelectric transformer-driving circuit capable of obtaining a drive pulse signal having a high frequency resolution from a clock having a low frequency, carrying out voltage detection by using a low-cost configuration, and carrying out digital processing, a piezoelectric transformer-driving circuit in accordance with the present invention is configured so that an error voltage calculation circuit multiplies the difference data between the output data of an A/D converter and reference data supplied externally by a constant and outputs the result as error data, so that a frequency setting circuit sets the frequency of the drive pulse signal of the piezoelectric transformer as M-bit data depending on the error data, and so that a frequency division ratio distribution divider circuit divides a clock having a predetermined frequency to generate the drive pulse signal of the piezoelectric transformer, wherein the frequency division ratio of the frequency division ratio distribution divider circuit is distributed for the period of N cycles (N: an integer) of the drive pulse signal of the piezoelectric transformer, and the average frequency division ratio for the period of N cycles is substantially equal to the value obtained by dividing the M-bit data output from the above-mentioned frequency setting circuit by N.

    摘要翻译： 为了提供一种能够从具有低频的时钟获得具有高频分辨率的驱动脉冲信号的压电变压器驱动电路，通过使用低成本配置进行电压检测并进行数字处理，压电 根据本发明的变压器驱动电路被配置为使得误差电压计算电路将A / D转换器的输出数据和外部提供的参考数据之间的差分数据乘以常数并输出结果作为错误数据，因此 频率设定电路将压电变压器的驱动脉冲信号的频率设定为取决于误差数据的M位数据，并且使得分频比分配分配电路将具有预定频率的时钟分频以产生驱动脉冲 信号的压电变压器，其中分频大鼠的分频比 io分配电路在压电变压器的驱动脉冲信号的N个周期（N：整数）的周期内分布，并且N个周期的周期的平均分频比基本上等于通过将 从上述频率设定电路输出的M位数据由N.