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    • 3. 发明申请
    • LIGHT SOURCE DEVICE HAVING WAVELENGTH CONVERSION AND SEPARATION MEANS, AND PROJECTOR
    • 具有波长转换和分离方式的光源器件和投影仪
    • US20110216105A1
    • 2011-09-08
    • US13108067
    • 2011-05-16
    • Shunji KAMIJIMA
    • Shunji KAMIJIMA
    • G09G5/10F21V9/00
    • H04N9/3161H04N9/3129
    • A light source device includes a light source unit emitting light of a first wavelength and a wavelength converting element converting light of the first wavelength into light of a second wavelength. An external mirror transmits light of the second wavelength toward an emission destination and reflects light of the first wavelength to resonate between the light source unit and the external mirror. A wavelength separating section transmits light converted from the first wavelength to the second wavelength while traveling from the external mirror to the light source unit and reflects light of the first wavelength in order to separate the different wavelength light. A turnback section reflects light of the second wavelength separated by the wavelength separating section toward the emission destination. In addition, the wavelength separating section reflects light of the first wavelength from the light source unit to travel toward the wavelength converting element.
    • 光源装置包括发射第一波长的光的光源单元和将第一波长的光转换为第二波长的光的波长转换元件。 外部反射镜将第二波长的光透射到发射目的地并且反射第一波长的光以在光源单元和外部反射镜之间谐振。 在从外部反射镜行进到光源单元的同时,波长分离部将从第一波长转换的光透射到第二波长,并且反射第一波长的光,以分离不同的波长的光。 折回部分将由波长分离部分分离的第二波长的光反射到发射目的地。 此外,波长分离部将来自光源单元的第一波长的光反射到波长转换元件。
    • 5. 发明授权
    • Multi-wavelength light source device
    • 多波长光源装置
    • US07780311B2
    • 2010-08-24
    • US12201880
    • 2008-08-29
    • Fumika SumiyamaShunji Kamijima
    • Fumika SumiyamaShunji Kamijima
    • F21V9/00
    • G02B27/48G02B5/1828G02B5/203H04N9/3161H04N9/3164
    • A multi-wavelength light source device includes three light source devices. The light source device includes a plurality of light emitting elements, and a dispersing section making wavelengths of light beams emitted from the respective light emitting elements different from each other, a spectral line width of the emitted light beam in each of the light source devices is equal to or greater than 0.2 nm, a wavelength of the red light beam in the light source device for emitting the red light beam is greater than 612 nm, a wavelength of the green light beam in the light source device for emitting the green light beam is greater than 525 nm and smaller than 538 nm, and a wavelength of the blue light beam in the light source device for emitting the blue light beam is greater than 465 nm and smaller than 468 nm.
    • 多波长光源装置包括三个光源装置。 光源装置包括多个发光元件和使从各个发光元件发射的光束的波长彼此不同的分散部,每个光源装置中的发射光束的光谱线宽度为 等于或大于0.2nm,用于发射红色光束的光源装置中的红色光束的波长大于612nm,用于发射绿色光束的光源装置中的绿色光束的波长 大于525nm且小于538nm,用于发射蓝色光束的光源装置中的蓝色光束的波长大于465nm且小于468nm。
    • 8. 发明授权
    • Laser light source device, illumination device, image display device, and monitor device
    • 激光光源装置,照明装置,图像显示装置和监视装置
    • US07561604B2
    • 2009-07-14
    • US12007448
    • 2008-01-10
    • Shunji KamijimaKeiko Kumagai
    • Shunji KamijimaKeiko Kumagai
    • H01S3/10
    • H01S5/141G02F1/133602H01S3/109H01S5/0071H01S5/02248H04N9/3105H04N9/3161H04N9/3164
    • A laser light source device includes: a light source; an external resonator, a wavelength conversion element converting the wavelength of part of incident light having the first wavelength into the second wavelength which is different from the first wavelength; and an optical-path conversion element causing the light that has been converted into light of the second wavelength in the process of traveling to the light source due to reflection from the external resonator to be separated into a second optical-path different from the first optical-path, and emitting a second laser light of the second wavelength. In the laser light source device, and the height of the wavelength conversion element is greater than a distance between an optical-axis of the first laser light on an end face of the wavelength conversion element which is close to the external resonator and an optical-axis of the second laser light.
    • 激光光源装置包括:光源; 外部谐振器,将具有第一波长的入射光的一部分的波长转换成与第一波长不同的第二波长的波长转换元件; 以及光路转换元件,其在由于来自外部谐振器的反射而在向光源行进的过程中使已经转换成第二波长的光的光被分离成与第一光学器件不同的第二光路 并发射第二波长的第二激光。 在激光光源装置中,波长转换元件的高度大于波长转换元件的靠近外部谐振器的端面上的第一激光的光轴与光学元件之间的距离, 第二激光的轴线。
    • 9. 发明申请
    • Light source device, projector device, monitor device, and lighting device
    • 光源装置,投影仪装置,监视装置及照明装置
    • US20080165815A1
    • 2008-07-10
    • US12003843
    • 2008-01-02
    • Shunji Kamijima
    • Shunji Kamijima
    • H01S3/04
    • H04N9/3161G02F2001/3546G02F2203/60H01S3/109H01S5/0617H01S5/06804H01S5/14H04N9/3129
    • The controller 170 controls the output power of the semiconductor laser device 100a depending on the temperature of the semiconductor laser device 100a acquired by the temperature sensor 130. The controller 170 references the correspondence table 510 when the sensor temperature Ts is obtained, obtains the output power PWs corresponding to the sensor temperature Ts, and controls the power supply driving circuit 150a so that the output power per unit time of the semiconductor laser device 100a will be the output power PWs. Thus increase in temperature of the semiconductor laser device is able to be prevented through reducing the output power by controlling the amount of power supplied to the semiconductor laser device. As a result, it is possible to prevent reductions in the service life of the semiconductor laser device, even when there is a failure in a cooling device that cools the semiconductor laser device, and even when the device is used in a high temperature environment not envisioned at the time of manufacturing.
    • 控制器170根据由温度传感器130获取的半导体激光器件100a的温度来控制半导体激光器件100a的输出功率。 当获得传感器温度Ts时,控制器170参考对应表510,获得与传感器温度Ts相对应的输出功率PW,并且控制电源驱动电路150a,使得半导体激光器件的每单位时间的输出功率 100 a将输出功率PW。 因此,能够通过控制提供给半导体激光装置的功率量来降低输出功率,能够防止半导体激光装置的温度上升。 结果,即使当冷却半导体激光装置的冷却装置出现故障时,也可以防止半导体激光装置的使用寿命的降低,即使在高温环境下使用装置也不会 设想在制造时。
    • 10. 发明申请
    • Light Source Device, Illuminating Device, Monitoring Apparatus, and Projector
    • 光源装置,照明装置,监视装置和投影仪
    • US20080159736A1
    • 2008-07-03
    • US11962737
    • 2007-12-21
    • Shunji KAMIJIMA
    • Shunji KAMIJIMA
    • H04B17/00H04B10/08
    • H04N9/3161H04N9/3129
    • A light source device includes: a light source unit emitting a light of a first wavelength; a wavelength converting element converting the light of the first wavelength into a light of a second wavelength different from the firs wavelength; an external resonator transmitting the light of the second wavelength emitted from the wavelength converting element to travel to a emission destination and reflecting the light of the first wavelength to resonate between the light source unit and the external resonator; a wavelength separating section transmitting the light converted from the first wavelength to the second wavelength in the course of traveling from the external resonator to the light source unit and reflecting the light of the first wavelength to separate the light of the first wavelength and the light of the second wavelength from each other; and a turnback section turning back the light of the second wavelength separated by the wavelength separating section toward the emission destination. Here, the wavelength separating section reflects the light of the first wavelength from the light source unit to travel toward the wavelength converting element.
    • 光源装置包括:发射第一波长的光的光源单元; 将第一波长的光转换为与第一波长不同的第二波长的光的波长转换元件; 外部谐振器,其将从所述波长转换元件发射的所述第二波长的光发射到发射目的地并反射所述第一波长的光以在所述光源单元和所述外部谐振器之间谐振; 在从外部谐振器行进到光源单元的过程中将从第一波长转换成第二波长的光透射到第二波长的波长分离部分,并且反射第一波长的光以将第一波长的光和 第二波长彼此; 以及折返部,其将由波长分离部分分离的第二波长的光朝向发射目的地转回。 这里,波长分离部将来自光源单元的第一波长的光反射到波长转换元件。