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11. 发明申请

US20080158638A1 Wavelength Conversion Optical Device, Laser Light Source, and Image Display Optical Device 有权
标题翻译：波长转换光学器件，激光光源和图像显示光学器件
公开(公告)号：US20080158638A1
公开(公告)日：2008-07-03
申请号：US11884885
申请日：2006-02-22
申请人： Hiroyuki Furuya , Kiminori Mizuuchi , Akihiro Morikawa , Kazuhisa Yamamoto
发明人： Hiroyuki Furuya , Kiminori Mizuuchi , Akihiro Morikawa , Kazuhisa Yamamoto
IPC分类号： G02F1/37
CPC分类号： G02F1/37 , G02F2001/372
摘要： A wavelength conversion optical device is provided with a fundamental wave light source (301) which outputs a fundamental wave (L11) including a P polarized light and an S polarized light that are perpendicular to each other, and two wavelength conversion mechanisms (303a,303b) each having a polarization inversion formation part which wavelength-converts the fundamental wave (L11) to generate harmonic waves, and the first-stage wavelength conversion mechanism (303a) performs wavelength conversion of the P polarized light of the fundamental wave (L11) while the second-stage wavelength conversion mechanism (303b) performs wavelength conversion of the S polarized light of the fundamental wave (L11), whereby absorption of a second harmonic wave (green light) due to a third harmonic wave (ultraviolet light) is reduced, and stability and reliability of the wavelength-converted light output are enhanced, thereby providing a wavelength conversion optical device which can output a wavelength-converted light capable of improving the image quality of the displayed image.
摘要翻译：波长转换光学装置具备输出包括彼此垂直的P偏振光和S偏振光的基波（L 11）的基波光源（301），以及两个波长转换机构（303a ，303b）各自具有对基波（L 11）进行波长转换以产生谐波的偏振反转形成部，并且第一级波长转换机构（303a）进行基波的P偏振光的波长转换波长（L 11），而第二级波长转换机构（303b）进行基波的S偏振光（L11）的波长转换，由此由于三次谐波而产生的二次谐波（绿光）的吸收波长（紫外线）降低，波长转换光输出的稳定性和可靠性提高，从而提供可以超出波长的波长转换光学装置使用能够改善所显示图像的图像质量的波长转换光。

12. 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。

13. 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。

14. 发明申请

US20100033508A1 LASER EMISSION DEVICE AND IMAGE DISPLAY DEVICE USING THE SAME 有权
标题翻译：激光发射装置和使用其的图像显示装置
公开(公告)号：US20100033508A1
公开(公告)日：2010-02-11
申请号：US12443258
申请日：2007-09-28
申请人： Tetsuro Mizushima , Akihiro Morikawa , Kazuhisa Yamamoto , Kenichi Kasazumi , Hiroyuki Furuya , Shinichi Kadowaki
发明人： Tetsuro Mizushima , Akihiro Morikawa , Kazuhisa Yamamoto , Kenichi Kasazumi , Hiroyuki Furuya , Shinichi Kadowaki
IPC分类号： G09G5/10 , H01S5/062 , H01S3/00
CPC分类号： H01S5/4025 , G09G3/3406 , G09G3/3413 , G09G2320/043 , G09G2320/0693 , G09G2330/021 , G09G2330/08 , G09G2360/145 , H01S5/0683 , H01S5/4012 , H01S5/4087 , H04N9/3161 , H04N9/3164
摘要： A laser emission device which can emit a high-luminance and high-monochromaticity light with a high efficiency, a low power consumption, and a long lifetime, and a image display device using the laser emission device are provided.A laser emission device comprises a plurality of laser elements (21), a plurality of laser driving power supplies (22) which supply currents into the plural laser elements (21), optical elements (35) which uniformize the laser light amount distributions of laser lights emitted from the laser elements (21), plural light-receiving elements (26) which receive parts (25) of the laser lights (23) outputted from the laser elements (21), a measurement unit (27) which measures at least the relations between the operation current values of the laser elements (21) and the output power values of the laser lights with respect to the operation current values, and a control unit (28) which operates the entirety of the device based on the measured values obtained by the measurement unit (27), and the control unit (28) operates the laser driving power supplies (22) according to the operation current values and the output power values so as to make the light output powers of the laser elements (21) different from each other.
摘要翻译：提供了能够以高效率，低功耗和长寿命发射高亮度和高单色度光的激光发射装置和使用该激光发射装置的图像显示装置。激光发射装置包括多个激光元件（21），向多个激光元件（21）供给电流的多个激光驱动电源（22），使激光的激光量分布均匀化的光学元件（35）从激光元件（21）发射的光，接收从激光元件（21）输出的激光（23）的部分（25）的多个光接收元件（26），至少测量的测量单元激光元件（21）的工作电流值与激光的输出功率值之间的关系相对于操作电流值的关系，以及基于测量值操作整个装置的控制单元（28）由所述测量单元（27）获得，并且所述控制单元（28）根据所述操作电流值和所述输出功率值对所述激光驱动电源（22）进行操作，以使得所述激光元件（21）的光输出功率）dif 彼此相差

15. 发明授权

US08189632B2 Laser emission device and image display device using the same 有权
标题翻译：激光发射装置和使用其的图像显示装置
公开(公告)号：US08189632B2
公开(公告)日：2012-05-29
申请号：US12443258
申请日：2007-09-28
申请人： Tetsuro Mizushima , Akihiro Morikawa , Kazuhisa Yamamoto , Kenichi Kasazumi , Hiroyuki Furuya , Shinichi Kadowaki
发明人： Tetsuro Mizushima , Akihiro Morikawa , Kazuhisa Yamamoto , Kenichi Kasazumi , Hiroyuki Furuya , Shinichi Kadowaki
IPC分类号： H01S3/00
CPC分类号： H01S5/4025 , G09G3/3406 , G09G3/3413 , G09G2320/043 , G09G2320/0693 , G09G2330/021 , G09G2330/08 , G09G2360/145 , H01S5/0683 , H01S5/4012 , H01S5/4087 , H04N9/3161 , H04N9/3164
摘要： A laser emission device comprises a plurality of laser elements, a plurality of laser driving power supplies, optical elements which uniformize the laser light amount distributions of laser lights, plural light-receiving elements, a measurement unit which measures at least the relations between the operation current values of the laser elements and the output power values of the laser lights with respect to the operation current values, and the control unit operates the laser driving power supplies according to the operation current values and the output power values so as to make the light output powers of the laser elements different from each other.
摘要翻译：激光发射装置包括多个激光元件，多个激光驱动电源，使激光的激光量分布均匀化的光学元件，多个光接收元件，至少测量操作之间的关系的测量单元相对于操作电流值，激光元件的电流值和激光的输出功率值，并且控制单元根据操作电流值和输出功率值来操作激光驱动电源，以使光激光元件的输出功率彼此不同。

16. 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。

17. 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。

18. 发明授权

US07440161B2 Optical element and method for forming domain inversion regions 有权
标题翻译：用于形成畴反转区域的光学元件和方法
公开(公告)号：US07440161B2
公开(公告)日：2008-10-21
申请号：US10593866
申请日：2005-03-15
申请人： Akihiro Morikawa , Tomoya Sugita , Kiminori Mizuuchi
发明人： Akihiro Morikawa , Tomoya Sugita , Kiminori Mizuuchi
IPC分类号： G02F1/35
CPC分类号： G02F1/3558 , G02F2201/15
摘要： There is provided a stable optical element having a fine, uniform, and wide-ranging domain inversion structure in a ferroelectric crystal. This includes a plurality of domain inversions (101) formed on an MgO:LiNbO3 substrate (100), and a groove (102) formed on the substrate surface between the domain inversions (101). The depth T′ of substantially all of the domain inversions (101) satisfies the relation T′
摘要翻译：提供了在铁电晶体中具有精细，均匀且宽范围的畴反转结构的稳定的光学元件。这包括在MgO：LiNbO 3衬底（100）上形成的多个畴反转（101）和在畴反转（101）之间形成在衬底表面上的凹槽（102）。基本上所有的畴反转（101）的深度T'满足关于衬底厚度T的关系T'

19. 发明申请

US20070216990A1 Optical Element And Method For Forming Domain Inversion Regions 有权
标题翻译：用于形成域反转区域的光学元件和方法
公开(公告)号：US20070216990A1
公开(公告)日：2007-09-20
申请号：US10593866
申请日：2005-03-15
申请人： Akihiro Morikawa , Tomoya Sugita , Kiminori Mizuuchi
发明人： Akihiro Morikawa , Tomoya Sugita , Kiminori Mizuuchi
IPC分类号： G02F1/00
CPC分类号： G02F1/3558 , G02F2201/15
摘要： There is provided a stable optical element having a fine, uniform, and wide-ranging domain inversion structure in a ferroelectric crystal. This includes a plurality of domain inversions (101) formed on an MgO:LiNbO3 substrate (100), and a groove (102) formed on the substrate surface between the domain inversions (101). The depth T′ of substantially all of the domain inversions (101) satisfies the relation T′
摘要翻译：提供了在铁电晶体中具有精细，均匀且宽范围的畴反转结构的稳定的光学元件。这包括在MgO：LiNbO 3衬底（100）上形成的多个畴反转（101）和在畴反转（101）之间形成在衬底表面上的凹槽（102）。基本上所有的畴反转（101）的深度T'满足关于衬底厚度T的关系T'

20. 发明申请

US20070140616A1 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：US20070140616A1
公开(公告)日：2007-06-21
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： G02B6/42
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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