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1. 发明授权

US06345138B1 Optical fiber output semiconductor device 失效
标题翻译：光纤输出半导体器件
公开(公告)号：US06345138B1
公开(公告)日：2002-02-05
申请号：US09457351
申请日：1999-12-09
申请人： Kiyoyuki Kawai , Ritsuo Yoshida , Masanobu Kimura , Ken Itou , Kazuyoshi Fuse
发明人： Kiyoyuki Kawai , Ritsuo Yoshida , Masanobu Kimura , Ken Itou , Kazuyoshi Fuse
IPC分类号： G02B630
CPC分类号： G02B6/42 , G02B6/26 , G02B6/305 , G02B6/3636 , G02B6/3652 , G02B6/4204 , G02B6/421 , G02B6/423 , G02B2006/12195 , H01S5/146 , H01S5/147
摘要： To obtain an inexpensive, high-power optical fiber output semiconductor device, an edge emitting type semiconductor element, a tapered optical waveguide having a structure for accommodating expansion and contraction due to a change in temperature, and an optical fiber are prepared separately. One edge of the tapered optical waveguide is butt-joined to an output face of the edge emitting type semiconductor element. The other edge of the tapered optical waveguide is connected to the optical fiber.
摘要翻译：为了获得廉价的高功率光纤输出半导体器件，分别制备边缘发射型半导体元件，具有用于容纳由于温度变化引起的膨胀和收缩的结构的锥形光波导和光纤。锥形光波导的一个边缘与边缘发射型半导体元件的输出面对接。锥形光波导的另一个边缘连接到光纤。

2. 发明授权

US06483968B2 Semiconductor light emitting element coupled with optical fiber 失效
公开(公告)号：US06483968B2
公开(公告)日：2002-11-19
申请号：US10022515
申请日：2001-12-20
申请人： Kazuyoshi Fuse , Masanobu Kimura , Kiyoyuki Kawai , Ritsuo Yoshida
发明人： Kazuyoshi Fuse , Masanobu Kimura , Kiyoyuki Kawai , Ritsuo Yoshida
IPC分类号： G02B630
CPC分类号： G02B6/423 , G02B6/305 , G02B6/42 , G02B6/421 , G02B6/4228 , G02B6/4239 , G02B6/424 , G02B6/4257 , G02B6/4266
摘要： Even if there is a temperature variation, a positional discrepancy at a colliding surface of an active surface of a semiconductor laser and an optical waveguide is suppressed, resulting in realization of a semiconductor light emitting element coupled with optical fiber of stable operation. In order to realize the above object, a semiconductor light emitting element coupled with optical fiber comprises a substrate, an optical waveguide disposed on the substrate and including a core and a cladding layer covering the core, a semiconductor light emitting element disposed on the substrate and comprising an output end-surface facing one end of the core of the optical waveguide, and an optical fiber comprising a core an end of which faces the other end of the core of the optical waveguide, wherein the cladding layer sandwiches both surfaces of the semiconductor light emitting element.

3. 发明授权

US06345139B1 Semiconductor light emitting element coupled with optical fiber 失效
标题翻译：与光纤耦合的半导体发光元件
公开(公告)号：US06345139B1
公开(公告)日：2002-02-05
申请号：US09542279
申请日：2000-04-04
申请人： Kazuyoshi Fuse , Masanobu Kimura , Kiyoyuki Kawai , Ritsuo Yoshida
发明人： Kazuyoshi Fuse , Masanobu Kimura , Kiyoyuki Kawai , Ritsuo Yoshida
IPC分类号： G02B630
CPC分类号： G02B6/423 , G02B6/305 , G02B6/42 , G02B6/421 , G02B6/4228 , G02B6/4239 , G02B6/424 , G02B6/4257 , G02B6/4266
摘要： Even if there is a temperature variation, a positional discrepancy at a colliding surface of an active surface of a semiconductor laser and an optical waveguide is suppressed, resulting in realization of a semiconductor light emitting element coupled with optical fiber of stable operation. In order to realize the above object, a semiconductor light emitting element coupled with optical fiber comprises a substrate, an optical waveguide disposed on the substrate and including a core and a cladding layer covering the core, a semiconductor light emitting element disposed on the substrate and comprising an output end-surface facing one end of the core of the optical waveguide, and an optical fiber comprising a core an end of which faces the other end of the core of the optical waveguide, wherein the cladding layer sandwiches both surfaces of the semiconductor light emitting element.
摘要翻译：即使存在温度变化，抑制了半导体激光器的有源面和光波导的碰撞面的位置偏差，从而实现了与稳定工作的光纤耦合的半导体发光元件。为了实现上述目的，与光纤耦合的半导体发光元件包括衬底，设置在衬底上的光波导，并且包括芯和覆盖芯的包覆层，设置在衬底上的半导体发光元件和包括面向所述光波导的所述芯的一端的输出端面以及包括其一端面对所述光波导的芯的另一端的芯的光纤，其中所述包覆层夹着所述半导体的两个表面发光元件。

4. 发明授权

US06320885B1 Upconversion fiber laser apparatus 失效
标题翻译：上转换光纤激光装置
公开(公告)号：US06320885B1
公开(公告)日：2001-11-20
申请号：US09389378
申请日：1999-09-03
申请人： Kiyoyuki Kawai , Ritsuo Yoshida , Ken Itou , Hideaki Okano
发明人： Kiyoyuki Kawai , Ritsuo Yoshida , Ken Itou , Hideaki Okano
IPC分类号： H01S330
CPC分类号： H01S3/09415 , H01S3/07 , H01S3/094011 , H01S3/094015 , H01S3/094042 , H01S3/094092 , H01S3/094096 , H01S3/1608 , H01S3/1616 , H01S5/146
摘要： In an up-conversion laser using Tm, blue light having a wavelength of 450 nm and blue light having a wavelength of 480 nm are outputted simultaneously. A high output is enabled with a high efficiency, and a green up-conversion laser is also realized by a similar means. A hybrid fiber laser apparatus includes a light source which outputs light near a wavelength A, and comprises a means for reflecting light near the wavelength A, which is provided at another end of the optical fiber, thereby to form an optical resonator for the wavelength A. In this hybrid fiber laser apparatus, an up-conversion fiber is provided in the optical resonator for the wavelength A, and optical resonator structures for a wavelength B constructed by reflection means and for a wavelength B are respectively provided at two positions at both ends of the up-conversion fiber. Of the two reflection means, the reflection means in the laser diode chip side is arranged so as to achieve high reflection, and the other reflection means in the other end side is arranged so as to achieve partial reflection, thereby to obtain output light having a wavelength B from the partial reflection side.
摘要翻译：在使用Tm的上转换激光中，同时输出波长为450nm的蓝色光和波长为480nm的蓝色光。高效率地实现了高输出，并且通过类似的方式也实现了绿色上转换激光器。混合光纤激光装置包括输出波长A附近的光的光源，并且包括用于反射靠近波长A的光的装置，该装置设置在光纤的另一端，从而形成用于波长A的光谐振器在该混合光纤激光装置中，在波长A的光谐振器中设置有上变频光纤，由反射装置和波长B构成的波长B的光谐振器结构分别设置在两端的两个位置的上转换光纤。在两个反射装置中，激光二极管芯片侧的反射装置被布置成实现高反射，并且另一端侧的另一反射装置被布置成实现部分反射，从而获得具有来自部分反射侧的波长B.

5. 发明授权

US06650677B1 Up-conversion laser 失效
标题翻译：上转换激光
公开(公告)号：US06650677B1
公开(公告)日：2003-11-18
申请号：US09547109
申请日：2000-04-11
申请人： Ken Itoh , Hideaki Okano , Kiyoyuki Kawai , Ritsuo Yoshida
发明人： Ken Itoh , Hideaki Okano , Kiyoyuki Kawai , Ritsuo Yoshida
IPC分类号： H01S3091
CPC分类号： H01S5/146 , H01S3/067 , H01S3/06754 , H01S3/07 , H01S3/082 , H01S3/094038 , H01S3/094042 , H01S3/094092 , H01S3/094096 , H01S3/0941 , H01S3/09415 , H01S3/1613 , H01S3/1616 , H01S3/1618
摘要： An up-conversion laser unit in which a semiconductor laser of high output power can be used as a pump light source and the wavelength of up-converted laser light is suitable for display. The light of infrared wavelength is generated by the pump light source, the generated light being inputted into a Pr3+ up-conversion laser to up-convert there into red light by Pr3+ ion. The up-converted red light is inputted into, as a pump light source, a Tm3+ up-conversion laser, there being up-converted into blue light by the Tm3+ ion. Thereby, efficient up-conversion into blue light is made possible.
摘要翻译：可以使用高输出功率的半导体激光器作为泵浦光源并且上转换的激光的波长适于显示的上转换激光器单元。红外波长的光由泵浦光源产生，所生成的光被输入到Pr <3+>上变换激光器中，以通过Pr 3+离子将其上变换为红光。上转换的红光被输入到作为泵浦光源的Tm 3+上转换激光器中，通过Tm 3+离子被上变换为蓝光。由此，能够有效地向蓝色光转换成蓝色光。

6. 发明申请

US20080056312A1 Wavelength conversion laser device and nonlinear optical crystal used in the same 审中-公开
标题翻译：波长转换激光器件和非线性光学晶体使用相同
公开(公告)号：US20080056312A1
公开(公告)日：2008-03-06
申请号：US11812117
申请日：2007-06-15
申请人： Hong Ki Kim , Kiyoyuki Kawai , Yu Seung Kim
发明人： Hong Ki Kim , Kiyoyuki Kawai , Yu Seung Kim
IPC分类号： H01S3/10
CPC分类号： G02F1/3553
摘要： A wavelength conversion laser device and a nonlinear optical crystal used in the same. The wavelength conversion laser device includes a laser light source for emitting a predetermined wavelength beam, and a laser medium for exciting the predetermined wavelength beam from the laser light source into a fundamental beam. The wavelength conversion laser device further includes a nonlinear optical crystal composed of a KTiOPO4 (KTP) crystal having b-c crystal plane as an incident surface of the fundamental beam to provide type II phase matching conditions. The KTP crystal converts the fundamental wavelength beam into a second harmonic generation beam.
摘要翻译：一种波长转换激光器件及其中使用的非线性光学晶体。波长转换激光装置包括用于发射预定波长光束的激光光源和用于将来自激光光源的预定波长光束激发成基波束的激光介质。波长转换激光器件还包括由具有b-c晶面的KTiOPO 4（KTP）晶体组成的非线性光学晶体，作为基波束的入射表面以提供II型相位匹配条件。 KTP晶体将基波长光束转换成二次谐波发生光束。

7. 发明申请

US20080037600A1 Wavelength conversion laser device 失效
公开(公告)号：US20080037600A1
公开(公告)日：2008-02-14
申请号：US11808824
申请日：2007-06-13
申请人： Byung Jin Ma , Kiyoyuki Kawai
发明人： Byung Jin Ma , Kiyoyuki Kawai
IPC分类号： H01S3/10 , G02F1/137
CPC分类号： G02F1/3501 , G02F1/3544 , G02F2001/3546 , H01S3/005 , H01S3/0071
摘要： A wavelength conversion laser device includes a laser light source for emitting a first wavelength light, a nonlinear optical crystal for converting the first wavelength light into a second wavelength light, and a nonlinear optical crystal rotator for rotating the nonlinear optical crystal so as to change an incident angle of the first wavelength light into the nonlinear optical crystal. The device also includes a nonlinear optical crystal rotation driving controller for controlling a rotation amount of the rotator in accordance with an output change of the second wavelength light so that the nonlinear optical crystal has phase matching with the first wavelength light. The device further includes a light exit position adjustor for compensating an exit position change of the second wavelength light in accordance with the incident angle change of the first wavelength light so that the second wavelength light is outputted in a predetermined exit position.

8. 发明申请

US20080007006A1 Piston ring for internal combustion engines 审中-公开
标题翻译：内燃机活塞环
公开(公告)号：US20080007006A1
公开(公告)日：2008-01-10
申请号：US11808721
申请日：2007-06-12
申请人： Kiyoyuki Kawai
发明人： Kiyoyuki Kawai
IPC分类号： F02F5/00
CPC分类号： F16J9/26 , C23C14/024 , C23C14/0641
摘要： A piston ring 1 for internal combustion engines comprises a hard film 2 formed on at least an outer circumferential sliding surface of the piston ring 1. The hard film 2 includes chromium, nitrogen and silicon as structural elements and the same crystal structure as CrN, and is composed of a crystal phase where silicon is contained in a solid solution state in a crystal lattice at an atomic ratio between 1 and 9.5 percent. The hard film may be the following film. Namely, a hard film is composed of a mixed phase of a crystal phase and an amorphous phase; the crystal phase includes chromium, nitrogen and silicon as structural elements and the same crystal structure as CrN and moreover includes silicon contained in a solid solution state in a crystal lattice; the amorphous phase includes silicon, nitrogen and chromium as structural elements; the ratio of the amorphous phase in the hard film is 4.5 percent or less; and the silicon content in the hard film is between 1 and 9.5 percent at an atomic ratio. The hard film may include aluminum, vanadium, titanium, zirconium, boron, carbon, oxygen or fluorine.
摘要翻译：用于内燃机的活塞环1包括形成在活塞环1的至少外周滑动表面上的硬膜2。硬膜2包括作为结构元素的铬，氮和硅作为与CrN相同的晶体结构，并且由在晶格中以固体状态包含硅的原子比为1〜9.5％的结晶相构成。硬膜可能是以下胶片。即，硬膜由结晶相和非晶相的混合相构成，结晶相包括铬，氮和硅作为结构元素，并且与CrN相同的晶体结构，还包括在晶格中固溶态的硅; 非晶相包括硅，氮和铬作为结构元素; 硬膜中的非晶相的比例为4.5％以下; 并且硬质膜中的硅含量在原子比为1〜9.5％。硬膜可以包括铝，钒，钛，锆，硼，碳，氧或氟。

9. 发明授权

US07215687B2 Up-conversion optical fiber laser apparatus 失效
标题翻译：上转换光纤激光装置
公开(公告)号：US07215687B2
公开(公告)日：2007-05-08
申请号：US11436631
申请日：2006-05-19
申请人： Kiyoyuki Kawai , Jae Chul Yong
发明人： Kiyoyuki Kawai , Jae Chul Yong
IPC分类号： H01S3/30 , H01S3/00
CPC分类号： H01S3/094003 , H01S3/094092
摘要： The invention provides an optical fiber laser apparatus. In the invention, an excitation light source outputs light of a given wavelength. A first optical fiber generates light of a plurality of wavelengths including light of a first wavelength by up-conversion from the output light. Also, a first resonator includes first and second mirrors provided on both ends of the first optical fiber, respectively. The first resonator selects the first wavelength light to output via the second mirror. Further, a second optical fiber amplifies an output of the first wavelength light incident from the first resonator. In addition, the first and second mirrors have higher reflexivity for the first wavelength light than the second wavelength light having higher gain per length of the optical fiber. The first fiber has a length set such that the first wavelength light oscillates preferentially over the second wavelength light.
摘要翻译：本发明提供一种光纤激光装置。在本发明中，激发光源输出给定波长的光。第一光纤通过从输出光的上变频而产生包括第一波长的光的多个波长的光。此外，第一谐振器包括分别设置在第一光纤两端的第一和第二反射镜。第一谐振器选择通过第二反射镜输出的第一波长光。此外，第二光纤放大从第一谐振器入射的第一波长光的输出。此外，第一和第二反射镜对于第一波长的光具有比每个光纤长度增益更高的第二波长光更高的反射率。第一光纤具有长度设置，使得第一波长光在第二波长光上优先振荡。

10. 发明申请

US20060245209A1 Hybrid backlight apparatus 审中-公开
标题翻译：混合式背光装置
公开(公告)号：US20060245209A1
公开(公告)日：2006-11-02
申请号：US11414294
申请日：2006-05-01
申请人： Ho Jeong , Kiyoyuki Kawai , Jin Kim
发明人： Ho Jeong , Kiyoyuki Kawai , Jin Kim
IPC分类号： G01D11/28
CPC分类号： G02F1/133609 , G02B6/0068
摘要： The present invention relates to a backlight apparatus for a Liquid Crystal Display. The backlight apparatus includes a main light source for generating white light and a monochromatic light source for generating monochromatic light to compensate the color temperature of the white light. The backlight further includes a light mixing region for mixing the white light with the monochromatic light to form mixed light with compensated color temperature and a reflection plate disposed underneath the light mixing region. The invention provides the monochromatic light source in addition to the fluorescent lamp, widening the color expression range and effectively adjusting the color temperature, thereby enabling natural color expression.
摘要翻译：本发明涉及一种液晶显示器的背光装置。背光装置包括用于产生白光的主光源和用于产生单色光的单色光源以补偿白光的色温。背光还包括用于将白光与单色光混合以形成具有补偿色温的混合光和设置在光混合区域下方的反射板的光混合区域。本发明除荧光灯之外提供单色光源，扩大色彩表现范围并有效调节色温，从而实现自然色彩表现。

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