公开(公告)号：US20080246895A1

公开(公告)日：2008-10-09

申请号：US11976874

申请日：2007-10-29

申请人： Muneharu Kuwata ,  Tomohiro Sasagawa ,  Jun Someya

发明人： Muneharu Kuwata ,  Tomohiro Sasagawa ,  Jun Someya

IPC分类号： G02F1/1335 ,  G02F1/1333

CPC分类号： G02F1/1334 ,  G02F1/133504 ,  G09G3/001 ,  G09G2300/0443 ,  G09G2320/0233 ,  G09G2320/0242

摘要： A light diffusion element includes a liquid-crystal diffusion layer that variably diffuses an amount of light depending on an applied voltage, a first electrode that is laid on a plane of the light diffusion layer and made of a first and a second segmented-electrodes, a second electrode that is laid on the other plane of the light diffusion layer, a voltage applying unit that generates and applies two types of voltages, and a voltage changing unit that varies the two types of voltages. One of the voltages is applied between the first segmented-electrodes and the second electrode, and the other between the second segmented-electrodes and the second electrode. Both the segmented-electrodes are included in each pixel.

摘要翻译： 光散射元件包括：液晶扩散层，其根据施加的电压可变地漫射光量;第一电极，其放置在光扩散层的平面上，并由第一和第二分割电极构成; 放置在光扩散层的另一平面上的第二电极，产生并施加两种电压的电压施加单元和改变两种类型的电压的电压改变单元。 在第一分段电极和第二电极之间施加电压中的一个，在第二分割电极和第二电极之间施加电压之一。 两个分段电极都包含在每个像素中。

公开(公告)号：US20080018972A1

公开(公告)日：2008-01-24

申请号：US11812215

申请日：2007-06-15

申请人： Jun Someya ,  Shuichi Kagawa ,  Hideki Yoshii ,  Tomohiro Sasagawa ,  Hiroaki Sugiura

发明人： Jun Someya ,  Shuichi Kagawa ,  Hideki Yoshii ,  Tomohiro Sasagawa ,  Hiroaki Sugiura

IPC分类号： G02B26/10

CPC分类号： G02B26/105

摘要： An image display apparatus includes a light source for emitting a plurality of light beams arranged in a direction corresponding to a sub-scanning direction, a light source driver for individually modulating intensities of the plurality of light beams; a light scanning unit for performing main scanning and sub-scanning; an image display screen for receiving the plurality of light beams scanned in the main and sub-scanning directions; and a controller, wherein, in one frame period, a distance of movement of the light irradiation positions on the image display screen moved by one sub-scanning is a distance obtained by multiplying an interval between adjacent two scanning lines in the sub-scanning direction on the image display screen by a predetermined integer which is an integer smaller than number of the plurality of light beams arranged in the direction corresponding to the sub-scanning direction.

摘要翻译： 图像显示装置包括用于发射沿与副扫描方向相对应的方向布置的多个光束的光源，用于单独调制多个光束的强度的光源驱动器; 用于执行主扫描和副扫描的光扫描单元; 用于接收沿主扫描方向和副扫描方向扫描的多个光束的图像显示屏幕; 以及控制器，其中，在一个帧周期中，通过一次副扫描移动的图像显示屏上的光照射位置的移动距离是通过将副扫描方向上的相邻两条扫描线之间的间隔相乘而获得的距离 在图像显示屏幕上以与沿与副扫描方向对应的方向布置的多个光束的数量小的整数的预定整数。

公开(公告)号：US20070247707A1

公开(公告)日：2007-10-25

申请号：US11730544

申请日：2007-04-02

申请人： Atsushi Michimori ,  Junichi Aizawa ,  Tomohiro Sasagawa ,  Hiroaki Sugiura

发明人： Atsushi Michimori ,  Junichi Aizawa ,  Tomohiro Sasagawa ,  Hiroaki Sugiura

IPC分类号： G03B21/56

CPC分类号： G03B21/56

摘要： An image display projector and a method of displaying images are provided so as to enable reducing the occurrence of scintillation. The image display projector comprises: an optical engine for emitting light according to an inputted imaging signal; a Fresnel lens disposed to receive the light emitted from the optical engine, for emitting the incident light as collimated one; a diffusion member, placed in a position frontal to the Fresnel lens in the light-traveling direction, for emitting diffused light, by diffusing the collimated light emitted from the Fresnel lens; and a drive unit for moving either the Fresnel lens or the diffusion member, along a predetermined track (orbit), in a plane parallel to either the one from which the collimated light is emitted or the one from which the diffused light is emitted. And then, the moving velocity of either the Fresnel lens or the diffusion member is at any moment larger than zero in any direction within the parallel plane.

摘要翻译： 提供图像显示投影仪和显示图像的方法，以便能够减少闪烁的发生。 图像显示投影仪包括：根据输入的成像信号发光的光学引擎; 菲涅耳透镜，设置成接收从光学引擎发射的光，用于将入射光发射为准直的; 扩散构件，通过使从菲涅尔透镜发射的准直光扩散，放置在光行进方向上与菲涅尔透镜相对的位置，用于发射漫射光; 以及驱动单元，用于沿与预定轨迹（轨道）平行的平面中的任何一个或多个发射有扩散光的菲尼尔透镜或漫射构件的驱动单元。 然后，菲涅尔透镜或漫射构件的移动速度在平行平面内的任何方向上都大于零。

公开(公告)号：US07139053B2

公开(公告)日：2006-11-21

申请号：US11227216

申请日：2005-09-16

申请人： Akimasa Yuuki ,  Tomohiro Sasagawa ,  Naoto Sugawara ,  Takashi Yamamoto

发明人： Akimasa Yuuki ,  Tomohiro Sasagawa ,  Naoto Sugawara ,  Takashi Yamamoto

IPC分类号： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133536 ,  G02F2001/133342 ,  G02F2001/133531 ,  G02F2001/133616 ,  G02F2001/133626 ,  G02F2001/133638

摘要： A double-sided liquid crystal display device including a liquid crystal material, first and second electrodes for driving the liquid crystal material, first and second polarizers disposed on opposite sides of the liquid crystal material, a front light disposed at the opposite side of the first polarizer from the liquid crystal material, and a semitransmission reflector disposed at the same side of the liquid crystal material as the second polarizer for passing a part of light from the front light side passing through the liquid crystal. The first polarizer is disposed to absorb or transmit light passing through the liquid crystal material, and the second polarizer is disposed to absorb or transmit light passing through the liquid crystal material and then passing through the semitransmission reflector.

公开(公告)号：US20060132673A1

公开(公告)日：2006-06-22

申请号：US11243452

申请日：2005-10-05

申请人： Atsushi Ito ,  Akimasa Yuuki ,  Nobuyuki Zumoto ,  Toshiyuki Yoneda ,  Tomohiro Sasagawa

发明人： Atsushi Ito ,  Akimasa Yuuki ,  Nobuyuki Zumoto ,  Toshiyuki Yoneda ,  Tomohiro Sasagawa

IPC分类号： G02F1/1335

CPC分类号： G02F1/133615

摘要： A display device includes a light guide plate which includes a light transmission portion and an antireflection portion at two opposite end faces and which is provided with a light extraction portion in part of a surface, respective light sources which are arranged on outer sides of the two opposite end faces, a transmission liquid crystal panel located adjacent to the light extraction portion, and a synchronous drive unit that alternately turns ON the light sources and that displays an image that is synchronous with an alternating turn-ON operation the transmission liquid crystal panel.

摘要翻译： 显示装置包括导光板，该导光板在两个相对端面处包括光透射部分和抗反射部分，并且在一部分表面上设置有光提取部分，各个光源布置在两个外侧 相邻端面，位于与光提取部相邻的透射型液晶面板，以及同步驱动单元，其交替地接通光源，并且显示与透射型液晶面板的交替接通操作同步的图像。

公开(公告)号：US07057638B1

公开(公告)日：2006-06-06

申请号：US10918342

申请日：2004-08-16

申请人： Akimasa Yuuki ,  Tomohiro Sasagawa ,  Kyoichiro Oda ,  Yutaka Suzuki

发明人： Akimasa Yuuki ,  Tomohiro Sasagawa ,  Kyoichiro Oda ,  Yutaka Suzuki

IPC分类号： H04N13/04 ,  H04N15/00 ,  H04B1/66

CPC分类号： H04N13/398 ,  H04N13/10 ,  H04N13/144 ,  H04N13/189 ,  H04N13/32 ,  H04N19/597

摘要： A stereoscopic image display apparatus having a low image data input rate, in which the required capacity of a memory is reduced without causing flicker and ghosts. In the invention, right and left parallax image data is compressed, the compressed image data is stored in a frame memory, each of compressed image data for a right eye and compressed image data for a left eye, corresponding to the same display gate line, is read and decoded, line by line, and parallax image data for the right and left eyes for one frame are displayed multiple times, as alternating right and left fields, within one frame period.

摘要翻译： 具有低图像数据输入速率的立体图像显示装置，其中减少存储器的所需容量而不引起闪烁和重影。 在本发明中，右视差图像数据和左视差图像数据被压缩，压缩图像数据被存储在帧存储器中，每个用于右眼的压缩图像数据和用于左眼的压缩图像数据对应于相同的显示门线， 一行读取和解码，一帧左右眼睛的视差图像数据在一个帧周期内作为交替的左右场显示多次。

公开(公告)号：US20060007372A1

公开(公告)日：2006-01-12

申请号：US11227216

申请日：2005-09-16

申请人： Akimasa Yuuki ,  Tomohiro Sasagawa ,  Naoto Sugawara ,  Takashi Yamamoto

发明人： Akimasa Yuuki ,  Tomohiro Sasagawa ,  Naoto Sugawara ,  Takashi Yamamoto

IPC分类号： G02F1/1335

CPC分类号： G02F1/133555 ,  G02F1/133536 ,  G02F2001/133342 ,  G02F2001/133531 ,  G02F2001/133616 ,  G02F2001/133626 ,  G02F2001/133638

摘要： A double-sided liquid crystal display device including a liquid crystal material, first and second electrodes for driving the liquid crystal material, first and second polarizers disposed on opposite sides of the liquid crystal material, a front light disposed at the opposite side of the first polarizer from the liquid crystal material, and a semitransmission reflector disposed at the same side of the liquid crystal material as the second polarizer for passing a part of light from the front light side passing through the liquid crystal. The first polarizer is disposed to absorb or transmit light passing through the liquid crystal material, and the second polarizer is disposed to absorb or transmit light passing through the liquid crystal material and then passing through the semitransmission reflector.

摘要翻译： 一种双面液晶显示装置，包括液晶材料，用于驱动液晶材料的第一和第二电极，设置在液晶材料的相对侧上的第一和第二偏振器，设置在第一 液晶材料的偏振片，以及设置在液晶材料与第二偏振片相同侧的半透射反射器，用于使来自通过液晶的前光侧的光的一部分通过。 第一偏振器设置成吸收或透射通过液晶材料的光，并且第二偏振器设置成吸收或透射通过液晶材料的光，然后通过半透射反射器。

公开(公告)号：US20050276071A1

公开(公告)日：2005-12-15

申请号：US10523205

申请日：2003-09-19

申请人： Tomohiro Sasagawa ,  Akimasa Yuuki ,  Naoto Sugawara

发明人： Tomohiro Sasagawa ,  Akimasa Yuuki ,  Naoto Sugawara

IPC分类号： G02B27/22 ,  F21V7/04

CPC分类号： G02B27/2214

摘要： A display system includes light sources disposed at two different light input ends of a light guiding plate; a double-sided prism sheet disposed on a light emitting side of the light guiding plate, and having on a first surface facing the light guiding plate a triangular prism bank extending in a direction parallel to the light input ends of the light guiding plate, and on a second surface, opposite to the first surface, a cylindrical lens bank extending in a direction parallel to the triangular prism bank; a transmissive display panel disposed on a light emitting side of the double-sided prism sheet; and a synchronization driving section causing the transmissive display panel to display two different images in synchronization with the light sources, wherein light from the light sources is emitted through the transmissive display panel at angles corresponding to right and left parallax, producing a stereoscopic display.

摘要翻译： 显示系统包括设置在导光板的两个不同光输入端的光源; 双面棱镜片，其设置在所述导光板的发光侧，并且在与所述导光板相对的第一面上具有与所述导光板的光输入端平行的方向延伸的三角形棱镜组，以及 在与第一表面相对的第二表面上，在平行于三角形棱镜组的方向上延伸的柱面透镜组; 设置在双面棱镜片的发光侧的透射型显示面板; 以及同步驱动部，其使得透射显示面板与光源同步地显示两个不同的图像，其中来自光源的光以与右视差和左视差对应的角度通过透射显示面板发射，产生立体显示。

公开(公告)号：US06724546B2

公开(公告)日：2004-04-20

申请号：US10267797

申请日：2002-10-10

申请人： Junichi Nishimae ,  Akira Sekiguchi ,  Tomohiro Sasagawa ,  Yoshiyuki Goto ,  Kohei Teramoto ,  Hiroyuki Kawano ,  Tatsuki Okamoto ,  Yukio Satou ,  Atsuhiro Sono

发明人： Junichi Nishimae ,  Akira Sekiguchi ,  Tomohiro Sasagawa ,  Yoshiyuki Goto ,  Kohei Teramoto ,  Hiroyuki Kawano ,  Tatsuki Okamoto ,  Yukio Satou ,  Atsuhiro Sono

IPC分类号： G02B900

CPC分类号： H04N9/3152 ,  G02B26/008 ,  G02B26/0816 ,  H04N5/7458 ,  H04N9/3114

摘要： Lengths of both sides of each end plane of a light-intensity distribution uniformizing element receiving a light flux and having an F-number of 1 are set to ½ of those of a reflecting surface of a reflecting optical-spatial modulator element, position information of uniformed light fluxes output from the light-intensity distribution uniformizing element is Fourier-transformed into diverging angle information indicated by incident light fluxes output from a first group of lenses, a relay deformed diaphragm intercepts an interference component of each incident light flux, which is expected to interfere with an outgoing light flux, to produce asymmetric light fluxes, the asymmetric light fluxes are incident on the reflecting optical-spatial modulator element, a projection lens deformed diaphragm removes stray light from outgoing light fluxes output from the reflecting optical-spatial modulator element, and an image is displayed according to the outgoing light fluxes.

摘要翻译： 接收光束并且F数为1的光强度分布均匀化元件的每个端面的两侧的长度被设置为反射光学 - 空间调制器元件的反射表面的一半的位置信息 从光强分布均匀化元件输出的均匀光束被傅立叶变换为由第一组透镜输出的入射光束所指示的发散角度信息，继电器变形光阑拦截每个入射光通量的干涉分量，这是预期的 为了产生不对称光束，产生不对称光束，不对称光束入射到反射光空间调制元件上，投影透镜变形光阑从反射光空间调制元件输出的出射光束中去除杂散光 ，并根据出射光束显示图像。

公开(公告)号：US06636283B2

公开(公告)日：2003-10-21

申请号：US09819624

申请日：2001-03-29

申请人： Tomohiro Sasagawa ,  Kyoichiro Oda ,  Akimasa Yuuki ,  Naoto Sugawara ,  Masahiro Yokoi ,  Masahisa Moroda

发明人： Tomohiro Sasagawa ,  Kyoichiro Oda ,  Akimasa Yuuki ,  Naoto Sugawara ,  Masahiro Yokoi ,  Masahisa Moroda

IPC分类号： G02F11335

CPC分类号： G02B6/0018 ,  G02B6/002 ,  G02B6/0028 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0061

摘要： A compact and light weight front light, a reflective liquid crystal display device, and a personal digital assistant providing an image display of uniform brightness with high efficiency are provided. The front light includes a main optical guide plate and a second optical guide plate. The second optical guide plate is arranged at an end of the main optical guide plate along the widthwise direction, and, on an end surface opposite an end surface facing the main optical guide plate, grooves forming prisms are aligned along the longitudinal direction, extending in the depth direction. The front light further includes a point light source arranged at an end, in the longitudinal direction, of the second optical guide plate, and a reflective film covering the surfaces of the grooves.

摘要翻译： 提供了一种紧凑且重量轻的前灯，反射型液晶显示装置和提供高效均匀亮度的图像显示的个人数字助理。 前灯包括主导光板和第二导光板。 第二导光板沿宽度方向配置在主导光板的端部，在与主导光板相对的端面相对的端面上，形成棱镜的槽沿着长度方向排列， 深度方向。 前灯还包括布置在第二导光板的纵向端部的点光源和覆盖凹槽表面的反射膜。