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21. 发明申请

US20070153235A1 Two-dimensional image display device 失效
标题翻译：二维图像显示装置
公开(公告)号：US20070153235A1
公开(公告)日：2007-07-05
申请号：US10584247
申请日：2004-12-24
申请人： Akihiro Morikawa , Ken'ichi Kasazumi , Kiminori Mizuuchi
发明人： Akihiro Morikawa , Ken'ichi Kasazumi , Kiminori Mizuuchi
IPC分类号： G03B21/14 , G02F1/03 , G02F1/07
CPC分类号： G02F1/0136 , G03B21/006 , G03B21/2073 , G03B21/208
摘要： In a two-dimensional image display device, speckle noise is reduced by a simple construction. A two-dimensional image display device for displaying an image by projecting coherent light onto a projection plane is provided with at least one coherent light source (1a), (1b), (1c) for outputting coherent light, a polarization state modulator 6 for modulating at least one of a polarization state and a phase of the coherent light emitted from the coherent light source, and a birefringent diffusion plate 7 for spatially varying the phase of the coherent light emitted from the polarization state modulator, wherein the polarization states of light spots in the respective pixels of the image displayed on the projection plane are spatially and temporally varied, thereby forming various speckle patterns.
摘要翻译：在二维图像显示装置中，通过简单的结构减少斑点噪声。用于通过将相干光投射到投影平面上来显示图像的二维图像显示装置设置有用于输出相干光的至少一个相干光源（1a），（1b），（1c），偏振状态用于调制从相干光源发射的相干光的偏振状态和相位中的至少一个的调制器6和用于空间改变从偏振状态调制器发射的相干光的相位的双折射扩散板7，其中极化在投影平面上显示的图像的各个像素中的光斑的状态在空间和时间上变化，从而形成各种斑纹图案。

22. 发明申请

US20070058135A1 Laser image display apparatus 失效
标题翻译：激光图像显示装置
公开(公告)号：US20070058135A1
公开(公告)日：2007-03-15
申请号：US10576067
申请日：2005-04-06
申请人： Akihiro Morikawa , Ken'ichi Kasazumi , Kiminori Mizuuchi
发明人： Akihiro Morikawa , Ken'ichi Kasazumi , Kiminori Mizuuchi
IPC分类号： G03B21/26 , G02B5/02
CPC分类号： H04N9/3129
摘要： A light diffuser containing light diffusing elements is arranged in the most appropriate position between a spatial light modulator and an illumination optical system. Thereby, particles as light diffusing elements diffuse rays of light emitted from a laser light source. Accordingly, indefinite numbers of speckle pattern are formed so that, for example, a speckle noise which occurs on an image projected to a screen is reduced. As a result, loss of light amount after light diffusion is suppressed to small amount, and thereby a laser image display apparatus capable of displaying a bright and high-quality image having no luminosity irregularity is provided.
摘要翻译：包含光漫射元件的光漫射器被布置在空间光调制器和照明光学系统之间的最适当位置。因此，作为光漫射元件的粒子漫射从激光光源射出的光线。因此，形成不确定数量的斑纹图案，使得例如在投影到屏幕上的图像上发生的散斑噪声减小。结果，光扩散后的光量的损失被抑制到少量，从而提供能够显示不具有亮度不规则性的明亮且高质量的图像的激光图像显示装置。

23. 发明申请

US20060051025A1 Polarization reversal structure constructing method and optical device having polarization reversal structure 有权
标题翻译：具有偏振反转结构的偏振反转结构构造方法和光学器件
公开(公告)号：US20060051025A1
公开(公告)日：2006-03-09
申请号：US10535975
申请日：2003-11-21
申请人： Kiminori Mizuuchi , Akihiro Morikawa , Tomoya Sugita
发明人： Kiminori Mizuuchi , Akihiro Morikawa , Tomoya Sugita
IPC分类号： G02B6/26
CPC分类号： G02F1/3558
摘要： A method for forming a domain-inverted structure includes the following: using a ferroelectric substrate (1) having a principal surface substantially perpendicular to the Z axis of crystals; providing a first electrode (3) on the principal surface of the ferroelectric substrate, the first electrode having a pattern of a plurality of electrode fingers (5) that are arranged periodically; providing a counter electrode (6) on the other side of the ferroelectric substrate so as to be opposite from the first electrode; and applying an electric field to the ferroelectric substrate with the first electrode and the counter electrode, thereby forming domain-inverted regions corresponding to the pattern of the first electrode in the ferroelectric substrate. Each of the electrode fingers of the first electrode is located so that a direction from a base to a tip (5a) of the electrode finger is aligned with the Y-axis direction of the crystals of the ferroelectric substrate. This method can provide a short-period uniform domain-inverted structure.
摘要翻译：用于形成畴反转结构的方法包括：使用具有基本上垂直于晶体的Z轴的主表面的铁电体基板（1）在所述强电介质基板的主表面上设置第一电极，所述第一电极具有周期性排列的多个电极指（5）的图案; 在所述铁电体基板的另一侧设置与所述第一电极相对的对置电极（6）; 并且利用第一电极和对电极向铁电体基板施加电场，从而形成与铁电体基板中的第一电极的图案对应的畴反转区域。第一电极的每个电极指的位置使得从电极指的基部到尖端（5a）的方向与铁电体的晶体的Y轴方向一致。该方法可以提供短周期均匀域倒置结构。

24. 发明授权

US08016427B2 Light source device, and two-dimensional image display device 有权
标题翻译：光源装置和二维图像显示装置
公开(公告)号：US08016427B2
公开(公告)日：2011-09-13
申请号：US12645204
申请日：2009-12-22
申请人： Ken'ichi Kasazumi , Kiminori Mizuuchi , Akihiro Morikawa , Kazuhisa Yamamoto
发明人： Ken'ichi Kasazumi , Kiminori Mizuuchi , Akihiro Morikawa , Kazuhisa Yamamoto
IPC分类号： G03B21/00
CPC分类号： G02B27/1053 , G02B27/1073 , G02B27/1093 , G02B27/149 , G03B21/208 , G03B33/12 , H04N9/3114 , H04N9/3129 , H04N9/315
摘要： There is provided a light source device which can miniaturize a two-dimensional image display device as small as possible. The light source device is provided with three coherent light sources (11a), (11b), and (11c) corresponding to red, blue, and green; prisms (12a) and (12c) for reflecting lights emitted from the coherent light sources (11a) and (11c); and a diffraction part (20) comprising a single volume hologram on which plural gratings are multiply-formed, which gratings diffract the light emitted from the coherent light source (11b), and the lights that are emitted from the coherent light sources (11a) and (11c) and reflected by the prisms (12a) and (12b) so that these lights propagate in the same optical path.
摘要翻译：提供了尽可能小的使二维图像显示装置小型化的光源装置。光源装置具有对应于红色，蓝色和绿色的三个相干光源（11a），（11b）和（11c）用于反射从相干光源（11a）和（11c）发出的光的棱镜（12a）和（12c）; 以及衍射部分（20），其包括单个体积全息图，多个光栅被多重形成，所述光栅衍射从相干光源（11b）发射的光以及从相干光源（11a）发射的光，和（11c）并由棱镜（12a）和（12b）反射，使得这些光在相同的光路中传播。

25. 发明授权

US07999998B2 Short wavelength light source and laser image forming apparatus 有权
标题翻译：短波长光源和激光成像设备
公开(公告)号：US07999998B2
公开(公告)日：2011-08-16
申请号：US12438111
申请日：2007-10-24
申请人： Akihiro Morikawa , Kiminori Mizuuchi , Hiroyuki Furuya , Kazuhisa Yamamoto
发明人： Akihiro Morikawa , Kiminori Mizuuchi , Hiroyuki Furuya , Kazuhisa Yamamoto
IPC分类号： G02F1/37
CPC分类号： G02F1/3775 , G02F2001/3546
摘要： A short wavelength light source includes a wavelength conversion element having an incident surface, on which a fundamental wave is incident, and an output surface, from which a harmonic wave is outputted. The wavelength conversion element converts the fundamental wave into the harmonic wave. In addition, the wavelength conversion element includes a holder holding the wavelength conversion element, wherein the wavelength conversion element has a specific region on a light output side, which is arranged so as to suppress variations in phase matching condition between the fundamental wave and the harmonic wave resulting from heat generated by absorbing the harmonic wave during a wavelength conversion.
摘要翻译：短波长光源包括具有基波入射的入射面的波长转换元件和从其输出谐波的输出面。波长转换元件将基波转换成谐波。此外，波长转换元件包括保持波长转换元件的保持器，其中波长转换元件在光输出侧具有特定区域，其被布置为抑制基波和谐波之间的相位匹配条件的变化在波长转换期间通过吸收谐波产生的热产生的波。

26. 发明授权

US07869120B2 Laser wavelength conversion device, method for forming polarization reversed structure, and image display device 有权
标题翻译：激光波长转换装置，形成极化反转结构的方法和图像显示装置
公开(公告)号：US07869120B2
公开(公告)日：2011-01-11
申请号：US12121451
申请日：2008-05-15
申请人： Koichi Kusukame , Kiminori Mizuuchi , Tomoya Sugita , Akihiro Morikawa
发明人： Koichi Kusukame , Kiminori Mizuuchi , Tomoya Sugita , Akihiro Morikawa
IPC分类号： G02F1/35 , G02F2/02 , H01S3/10
CPC分类号： G02F1/3558 , G02F1/3525 , G02F1/3775
摘要： An object of the invention is to increase the beam diameter of a laser beam, and perform high-output wavelength conversion without causing crystal damage. A laser wavelength conversion device includes a laser wavelength conversion element for allowing incidence of a laser beam as a fundamental wave to convert a part of the fundamental wave laser beam into a wavelength-converted laser beam having a wavelength different from a wavelength of the fundamental wave laser beam. The laser wavelength conversion element includes a non-linear optical crystal having periodically polarization reversed portions. The polarization reversed portions are formed in such a manner that a region where a wavelength conversion efficiency is substantially uniform extends in a polarization direction of the non-linear optical crystal. The incident laser beam is converted into the wavelength-converted laser beam with the wavelength conversion efficiency.
摘要翻译：本发明的一个目的是增加激光束的光束直径，并且在不引起晶体损坏的情况下进行高输出波长转换。激光波长转换装置包括激光波长转换元件，用于允许激光束作为基波的入射，以将基波激光束的一部分转换成波长不同于基波波长的波长转换激光束激光束。激光波长转换元件包括具有周期性极化反转部分的非线性光学晶体。偏振反转部分以这样的方式形成，使得波长转换效率基本均匀的区域在非线性光学晶体的偏振方向上延伸。入射激光束以波长转换效率转换为波长转换激光束。

27. 发明申请

US20100165453A1 SHORT WAVELENGTH LIGHT SOURCE AND LASER IMAGE FORMING APPARATUS 有权
标题翻译：短波长光源和激光成像装置
公开(公告)号：US20100165453A1
公开(公告)日：2010-07-01
申请号：US12438111
申请日：2007-10-24
申请人： Akihiro Morikawa , Kiminori Mizuuchi , Hiroyuki Furuya , Kazuhisa Yamamoto
发明人： Akihiro Morikawa , Kiminori Mizuuchi , Hiroyuki Furuya , Kazuhisa Yamamoto
IPC分类号： G02F1/37
CPC分类号： G02F1/3775 , G02F2001/3546
摘要： A short wavelength light source includes a wavelength conversion element having an incident surface, on which a fundamental wave is incident, and an output surface, from which a harmonic wave is outputted, the wavelength conversion element being provided for converting the fundamental wave into the harmonic wave; and a holder for holding said wavelength conversion element, wherein the wavelength conversion element has a specific region on the light output side, which is arranged so as to suppress variations in phase matching condition between the fundamental wave and the harmonic wave resulting from heat generated by absorbing the harmonic wave during a wavelength conversion.
摘要翻译：短波长光源包括具有基波入射的入射面的波长转换元件和输出谐波的输出面，用于将基波变换为谐波的波长变换元件波; 以及用于保持所述波长转换元件的保持器，其中所述波长转换元件具有在光输出侧的特定区域，其被布置为抑制由基于由所述波长转换元件产生的热产生的热量引起的基波和谐波之间的相位匹配条件的变化在波长转换期间吸收谐波。

28. 发明申请

US20100103347A1 DISPLAY AND ILLUMINATOR 有权
标题翻译：显示和照明器
公开(公告)号：US20100103347A1
公开(公告)日：2010-04-29
申请号：US11997508
申请日：2006-07-26
申请人： Kiminori Mizuuchi , Kazuhisa Yamamoto , Shin-ichi Kadowaki , Tetsuro Mizushima , Akihiro Morikawa
发明人： Kiminori Mizuuchi , Kazuhisa Yamamoto , Shin-ichi Kadowaki , Tetsuro Mizushima , Akihiro Morikawa
IPC分类号： G02F1/13357 , G02F1/1335 , G09F13/04
CPC分类号： G02B6/0018 , G02B6/0028 , G02B6/003 , G02B6/0031 , G02B6/0051 , G02B6/0068 , G02F1/133504 , G02F1/133524 , G02F1/133603 , G02F1/133606 , G02F1/133615
摘要： A display for illuminating a liquid crystal display panel with laser light of uniform light quantity distribution, and an illuminator for irradiating with laser light of uniform light quantity distribution are provided.The display includes a liquid crystal display panel 204, laser light sources 205, 206, 207 emitting laser light having wavelengths of green, red, and blue colors, a waveguide plate 201 arranged at the back side of the liquid crystal display panel 204 and performing multiple reflection of laser light, and a diffusion plate 202 arranged at the back side of the waveguide plate 201, diffusing laser light propagating in the waveguide plate 201 and emitting the light toward liquid crystal display panel 204.
摘要翻译：提供了一种用于用均匀光量分布的激光照射液晶显示面板的显示器，以及用于照射具有均匀光量分布的激光的照明器。显示器包括：发射具有绿色，红色和蓝色波长的激光的液晶显示面板204，激光光源205,206,207;布置在液晶显示面板204背面的波导板201，并执行多个反射激光，以及布置在波导板201的背面的漫射板202，漫射在波导板201中传播的激光并向液晶显示面板204发射光。

29. 发明授权

US07643524B2 Surface-emitting laser and laser projector 有权
标题翻译：表面发射激光和激光投影机
公开(公告)号：US07643524B2
公开(公告)日：2010-01-05
申请号：US10584077
申请日：2004-12-21
申请人： Kiminori Mizuuchi , Ken'ichi Kasazumi , Akihiro Morikawa
发明人： Kiminori Mizuuchi , Ken'ichi Kasazumi , Akihiro Morikawa
IPC分类号： H01S3/00
CPC分类号： H01S5/18386 , H01S3/109 , H01S5/0421 , H01S5/0425 , H01S5/0655 , H01S5/14 , H01S5/18391 , H01S5/2086 , H01S5/4062 , H01S5/423 , H01S2301/166
摘要： A surface emitting laser includes an active layer disposed on a semiconductor substrate, and a pair of upper and lower electrodes for injecting carriers into the active layer. The plane surface of the lower electrode is shaped into a star so that injection of current into the active layer from the lower electrode is carried out with a high density at the center of the lower electrode and with a low density at its periphery part. In the surface emitting laser, the density distribution of the carriers injected into the active layer corresponds to the power distribution of light inside the active layer. Thereby, hole burning due to an increase in the current density in the region of the active layer corresponding to the peripheral part of the electrode is avoided, and the transverse mode stability during high output operation is significantly enhanced to improve high-output characteristic.
摘要翻译：表面发射激光器包括设置在半导体衬底上的有源层和用于将载流子注入有源层的一对上下电极。下电极的平面被成形为星形，使得从下电极注入有源层的电流在下电极的中心处以高密度注入并在其周边部分以低密度进行。在表面发射激光器中，注入有源层的载流子的密度分布对应于有源层内的光的功率分布。因此，避免了由于与电极的周边部分相对应的有源层的区域中的电流密度的增加而导致的空穴燃烧，并且显着增强了高输出操作期间的横向模式稳定性，从而提高了高输出特性。

30. 发明授权

US07522792B2 Optical element, laser light source, and two-dimensional image forming apparatus 有权
标题翻译：光学元件，激光光源和二维图像形成装置
公开(公告)号：US07522792B2
公开(公告)日：2009-04-21
申请号：US10582341
申请日：2004-12-09
申请人： Tomoya Sugita , Kiminori Mizuuchi , Ken'ichi Kasazumi , Akihiro Morikawa
发明人： Tomoya Sugita , Kiminori Mizuuchi , Ken'ichi Kasazumi , Akihiro Morikawa
IPC分类号： G02B6/26 , G02B6/42
CPC分类号： G02B27/0994 , G02B6/4214 , G02B19/0028 , G02B19/0052 , G03B21/2033 , G03B21/208
摘要： An optical element (10) according to the present invention is provided with a plurality of waveguides (11)˜(13) and a plurality of light path coupling parts (21), (22) coupling adjacent waveguides so as to optically couple said plural waveguides serially, wherein the paths for transmitting lights through the plural waveguides are curved at the optical path coupling parts, thereby the optical elements which is converted the incident laser light into the emitted light having uniform cross-sectional light intensity distribution can give a compact structure, further a laser light source that employs the optical element, and a two-dimensional image forming apparatus that employs the laser light source can also give a compact structure.
摘要翻译：根据本发明的光学元件（10）设置有多个波导（11）〜（13）和多个耦合相邻波导的光路耦合部分（21），（22），以便将所述多个其中通过多个波导传输光的路径在光路耦合部分弯曲，由此将入射激光转换成具有均匀横截面光强度分布的发射光的光学元件可以产生紧凑的结构进一步使用该光学元件的激光光源和采用该激光光源的二维图像形成装置也可以得到紧凑的结构。

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