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    • 2. 发明申请
    • LIGHT SOURCE UNIT AND PROJECTOR
    • 光源单位和投影机
    • US20110051102A1
    • 2011-03-03
    • US12872173
    • 2010-08-31
    • Naotsugu OguraMasahiro OgawaHideki NakamuraTakeshi MiyazakiHiroki MasudaYasuyuki Kawakami
    • Naotsugu OguraMasahiro OgawaHideki NakamuraTakeshi MiyazakiHiroki MasudaYasuyuki Kawakami
    • G03B21/14F21V9/16
    • G03B21/204
    • With a view to providing a light source unit which can emit light source light of high luminance and high intensity even in the small quantity of excitation light, there is provided a light source unit including an excitation light source for emitting light in a blue wavelength band, a fluorescent wheel, a light emitting device for emitting light in a red wavelength band and a light guiding optical system for guiding light emitted from the fluorescent wheel and the light emitting device to a light guiding device, wherein the fluorescent wheel is made up of a fluorescent area where a green fluorescent material layer for emitting fluorescent light in a green wavelength band is disposed and a diffuse area for converting light emitted from the excitation light source into diffuse light of which directivity is weak are disposed end to end in a circumferential direction, and wherein the green fluorescent material layer is such that a concentration of weight content of the green fluorescent material in the green fluorescent material layer relative to the fluorescent material layer and a thickness thereof are determined so that a luminescent intensity of fluorescent light emitted from the green fluorescent material layer is enhanced.
    • 为了提供即使在少量的激发光下也能够发出高亮度和高强度的光源光的光源单元,提供了一种光源单元,其包括用于发射蓝色波长带中的光的激发光源 荧光轮,用于发射红色波长带的光的发光装置和用于将从荧光轮发射的光和发光装置引导到导光装置的导光光学系统,其中荧光轮由 设置用于发出绿色波长带的荧光的绿色荧光体层的荧光区域,将从激发光源射出的光变换为方向性弱的漫射光的扩散区域沿圆周方向 ,并且其中所述绿色荧光材料层使得所述绿色荧光体m的重量含量的浓度 确定绿色荧光材料层中相对于荧光材料层的空隙及其厚度,使得从绿色荧光材料层发射的荧光的发光强度增强。
    • 6. 发明授权
    • Light source unit utilizing laser for light source and projector
    • 光源单元利用激光光源和投影仪
    • US08646919B2
    • 2014-02-11
    • US13618659
    • 2012-09-14
    • Takeshi MiyazakiMasahiro Ogawa
    • Takeshi MiyazakiMasahiro Ogawa
    • G03B21/20G03B21/00
    • G02B26/008G03B21/204G03B33/08H04N9/3117H04N9/3161H04N9/3164
    • A light source unit includes a light emitting plate which has a plurality of segment areas and in which a luminescent material layer which emits light having a predetermined wavelength band by receiving excitation light and a transmissive portion which transmits light are formed on at least the plurality of segment areas, a primary light source for emitting excitation light on to the luminescent material, a secondary light source for emitting light having a wavelength band which differs from those of luminescent light emitted from the luminescent material layer and excitation light emitted from the primary light source, a light guiding optical system for guiding light emitted from the light emitting plate and light emitted from the secondary light source to the same optical path, and a light source control means for controlling the emission of light from the primary light source and the secondary light source.
    • 光源单元包括发光板,该发光板具有多个段区域,并且在至少多个区域上形成有通过接收激发光而发射具有预定波长带的光的发光材料层和透射光的透射部分 分段区域,用于将激发光发射到发光材料上的初级光源,用于发射具有与从发光材料层发射的发光光不同的波长带的光的二次光源和从主光源发射的激发光 用于将从发光板发射的光和从二次光源发射的光引导到相同光路的导光光学系统,以及用于控制来自主光源和次光的光的发射的光源控制装置 资源。
    • 7. 发明授权
    • Light source unit utilizing laser for light source and projector
    • 光源单元利用激光光源和投影仪
    • US08308306B2
    • 2012-11-13
    • US12825579
    • 2010-06-29
    • Takeshi MiyazakiMasahiro Ogawa
    • Takeshi MiyazakiMasahiro Ogawa
    • G03B21/14G03B21/20G03B21/00
    • G02B26/008G03B21/204G03B33/08H04N9/3117H04N9/3161H04N9/3164
    • A light source unit includes a light emitting plate which has a plurality of segment areas and in which a luminescent material layer which emits light having a predetermined wavelength band by receiving excitation light and a transmissive portion which transmits light are formed on at least the plurality of segment areas, a primary light source for emitting excitation light on to the luminescent material, a secondary light source for emitting light having a wavelength band which differs from those of luminescent light emitted from the luminescent material layer and excitation light emitted from the primary light source, a light guiding optical system for guiding light emitted from the light emitting plate and light emitted from the secondary light source to the same optical path, and a light source control means for controlling the emission of light from the primary light source and the secondary light source.
    • 光源单元包括发光板,该发光板具有多个段区域,并且在至少多个区域上形成有通过接收激发光而发射具有预定波长带的光的发光材料层和透射光的透射部分 分段区域,用于将激发光发射到发光材料上的初级光源,用于发射具有与从发光材料层发射的发光光不同的波长带的光的二次光源和从主光源发射的激发光 用于将从发光板发射的光和从二次光源发射的光引导到相同光路的导光光学系统,以及用于控制来自主光源和次光的光的发射的光源控制装置 资源。
    • 8. 发明申请
    • LIGHT SOURCE UNIT UTILIZING LASER FOR LIGHT SOURCE AND PROJECTOR
    • 光源单元用于光源和投影仪的激光
    • US20130021587A1
    • 2013-01-24
    • US13618659
    • 2012-09-14
    • Takeshi MIYAZAKIMasahiro Ogawa
    • Takeshi MIYAZAKIMasahiro Ogawa
    • G03B21/14F21V9/16
    • G02B26/008G03B21/204G03B33/08H04N9/3117H04N9/3161H04N9/3164
    • A light source unit includes a light emitting plate which has a plurality of segment areas and in which a luminescent material layer which emits light having a predetermined wavelength band by receiving excitation light and a transmissive portion which transmits light are formed on at least the plurality of segment areas, a primary light source for emitting excitation light on to the luminescent material, a secondary light source for emitting light having a wavelength band which differs from those of luminescent light emitted from the luminescent material layer and excitation light emitted from the primary light source, a light guiding optical system for guiding light emitted from the light emitting plate and light emitted from the secondary light source to the same optical path, and a light source control means for controlling the emission of light from the primary light source and the secondary light source.
    • 光源单元包括发光板,该发光板具有多个段区域,并且在至少多个区域上形成有通过接收激发光而发射具有预定波长带的光的发光材料层和透射光的透射部分 分段区域,用于将激发光发射到发光材料上的初级光源,用于发射具有与从发光材料层发射的发光光不同的波长带的光的二次光源和从主光源发射的激发光 用于将从发光板发射的光和从二次光源发射的光引导到相同光路的导光光学系统,以及用于控制来自主光源和次光的光的发射的光源控制装置 资源。
    • 9. 发明申请
    • LIGHT SOURCE UNIT UTILIZING LASER FOR LIGHT SOURCE AND PROJECTOR
    • 光源单元用于光源和投影仪的激光
    • US20100328625A1
    • 2010-12-30
    • US12825579
    • 2010-06-29
    • Takeshi MiyazakiMasahiro Ogawa
    • Takeshi MiyazakiMasahiro Ogawa
    • H05B37/02G03B21/14
    • G02B26/008G03B21/204G03B33/08H04N9/3117H04N9/3161H04N9/3164
    • A light source unit includes a light emitting plate which has a plurality of segment areas and in which a luminescent material layer which emits light having a predetermined wavelength band by receiving excitation light and a transmissive portion which transmits light are formed on at least the plurality of segment areas, a primary light source for emitting excitation light on to the luminescent material, a secondary light source for emitting light having a wavelength band which differs from those of luminescent light emitted from the luminescent material layer and excitation light emitted from the primary light source, a light guiding optical system for guiding light emitted from the light emitting plate and light emitted from the secondary light source to the same optical path, and a light source control means for controlling the emission of light from the primary light source and the secondary light source.
    • 光源单元包括发光板,该发光板具有多个段区域,并且在至少多个区域上形成有通过接收激发光而发射具有预定波长带的光的发光材料层和透射光的透射部分 分段区域,用于将激发光发射到发光材料上的初级光源,用于发射具有与从发光材料层发射的发光光不同的波长带的光的二次光源和从主光源发射的激发光 用于将从发光板发射的光和从二次光源发射的光引导到相同光路的导光光学系统,以及用于控制来自主光源和次光的光的发射的光源控制装置 资源。