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    • 13. 发明专利
    • Optical filter, light source device, and illumination device
    • 光学滤光器,光源装置和照明装置
    • JP2014044367A
    • 2014-03-13
    • JP2012187881
    • 2012-08-28
    • Nitto Kogaku Kk日東光学株式会社
    • MOCHIZUKI KEIICHIHORAGUCHI MASUHIROOE MIYUKI
    • G02B5/28G02B13/00G02B17/08H01L33/48
    • PROBLEM TO BE SOLVED: To provide an optical filter capable of improving color rendering property while suppressing changes in color temperature, and to provide a light source device and an illumination device capable of improving color rendering property while suppressing decrease in luminous efficiency and changes in color temperature.SOLUTION: An optical filter 1 includes a coating layer 11 having an average reflectance for light that is selectively improved in a wavelength region from green light to yellow light and a wavelength region of blue light. A light source device 2 includes: an LED element 3 that excites blue light; a yellow phosphor 7 where the light radiating from the LED element 3 is transmitted; and the optical filter 1 where the light transmitted in the yellow phosphor 7 is transmitted. An illumination device 15 includes; the LED element 3 that excites blue light; the yellow phosphor 7 where the light radiating from the LED element 3 is transmitted; a reflector 16 that condenses the light transmitted in the yellow phosphor 7; and an optical filter 2 where the light exiting from the reflector 16 is transmitted.
    • 要解决的问题:提供能够在抑制色温变化的同时提高显色性的光学滤波器,并且提供能够在抑制发光效率和颜色变化的同时改善显色性的光源装置和照明装置 温度。解决方案:滤光器1包括具有在从绿光到黄光的波长区域和蓝色光的波长区域中有选择地改善的光的平均反射率的涂层11。 光源装置2包括:激发蓝光的LED元件3; 发射从LED元件3发射的光的黄色荧光体7; 以及透射在黄色荧光体7中的光的滤光器1。 照明装置15包括: 激发蓝光的LED元件3; 发射从LED元件3发射的光的黄色荧光体7; 使在黄色荧光体7中透过的光会聚的反射体16; 以及从反射器16射出的光透过的滤光器2。
    • 14. 发明专利
    • Image blur correction device and optical equipment
    • 图像修正装置和光学设备
    • JP2014016406A
    • 2014-01-30
    • JP2012152418
    • 2012-07-06
    • Nitto Kogaku Kk日東光学株式会社
    • YAMASHINA KAZUNARIKOMATSU HIROAKI
    • G03B5/00
    • PROBLEM TO BE SOLVED: To provide an image blur correction device and an optical device capable of suppressing increase in size in a direction of the optical axis.SOLUTION: The image blur correction device is configured to move a correction lens along a plane orthogonal to the optical axis of an imaging optical system, and the device comprises: a movable frame 3 holding the correction lens 2; a base body 8 arranged on an optical axis X and immobile in a direction intersecting the optical axis X; two guide shafts 9 and 10 which are mounted on the base body 8, with each axial direction parallel to a first direction orthogonal to the optical axis X, and which are arranged parallel to each other and in a direction orthogonal to the optical axis X; and a guide receiving part disposed on the movable frame 3 and having guide shaft contact parts 20 and 21 which are abutting against guide shafts 9 and 10, parallel to an axial line plane that is a plane including axial lines of the two guide shafts 9 and 10, and which are thereby regulated for the movement in a direction of the optical axis and allowed for the movement in a direction along the axial line plane with respect to the guide shafts 9 and 10.
    • 要解决的问题:提供一种能够抑制光轴方向上的尺寸增大的图像模糊校正装置和光学装置。解决方案:图像模糊校正装置被配置为沿着与所述光轴正交的平面移动校正透镜 成像光学系统的光轴,并且该装置包括:保持校正透镜2的可移动框架3; 布置在光轴X上并且沿与光轴X相交的方向固定的基体8; 安装在基体8上的两个引导轴9和10,每个轴向平行于与光轴X正交的第一方向,并且彼此平行并且沿与光轴X正交的方向布置; 以及设置在可动框架3上并且具有导引轴接触部分20和21的引导接收部分,该引导轴接触部分20和21平行于包括两个引导轴9的轴线的平面的轴线平面平行的引导轴9和10, 因此,其被调节为在光轴方向上的运动并且允许沿着相对于引导轴9和10的轴线平面的方向运动。
    • 15. 发明专利
    • Color temperature change filter and optical module equipped with color temperature change filter
    • 颜色温度变化过滤器和光学模块配有彩色温度变化过滤器
    • JP2013235192A
    • 2013-11-21
    • JP2012108796
    • 2012-05-10
    • Nitto Kogaku Kk日東光学株式会社
    • SHINOHARA KATSUNORIENDO HITOSHI
    • G02B5/28
    • PROBLEM TO BE SOLVED: To provide a color temperature change filter capable of lowering a color temperature while maintaining color rendering property and an optical module employing the color temperature change filter.SOLUTION: A color temperature change filter (6) has an optical multilayer film. In the color temperature change filter (6), a reflection factor monotonously increases at a shorter wavelength side shorter than 600 nm, and a peak of the reflection factor is between 400 nm and 500 nm. An optical module (100) has: a light source (1); an optical element (4) arranged at a light emitting side of the light source; a phosphor for wavelength conversion (5) applied to a surface of a light source side of the optical element and emitting, regarding light of a first band in the light emitted from the light source as excitation light, fluorescent light of a second band having longer wavelength than the excitation light; a color temperature change filter (6) deposited on a surface on an opposite side of the phosphor for wavelength conversion of the optical element, and configured to reflect part of light in the light emitted from the light source; and a reflector (3) configured to reflect the light reflected at the color temperature change filter toward the phosphor for wavelength conversion.
    • 要解决的问题:提供一种能够在保持显色性的同时降低色温的色温过滤器和使用色温过滤器的光学组件。解决方案:色温过滤器(6)具有光学多层膜。 在色温过滤器(6)中,反射系数在比600nm短的波长侧单调增加,反射系数的峰值在400nm〜500nm之间。 光学模块(100)具有:光源(1); 布置在所述光源的发光侧的光学元件(4); 用于波长转换的磷光体(5),其施加到光学元件的光源侧的表面,并且发射关于从光源发射的光中的第一波段的光作为激发光,具有较长的第二波段的荧光 波长比激发光; 沉积在用于所述光学元件的波长转换的所述荧光体的相对侧上的表面上的色温变化滤光器(6),并且被配置为将从所述光源发射的光中的一部分光反射; 以及反射器(3),被配置为将在色温过滤器处反射的光反射到用于波长转换的荧光体。
    • 19. 发明专利
    • Projection optical system and projector device
    • 投影光学系统和投影仪设备
    • JP2013015853A
    • 2013-01-24
    • JP2012193661
    • 2012-09-04
    • Nitto Kogaku Kk日東光学株式会社
    • MATSUO YASUHIKO
    • G02B13/16G02B13/18G02B17/08G03B21/14
    • PROBLEM TO BE SOLVED: To provide a projection optical system able to cope with a demand for a compact design and a wide angle.SOLUTION: The projection optical system 1 that projects from a first image surface on a reduction side to a second image surface on a magnification side comprises: a first optical system 10 including fourteen lenses L1 to L14 and configured such that a first intermediate image 31 formed in the first optical system 10 by light made incident from the reduction side is imaged on the magnification side from the first optical system 10, as a second intermediate image 32; and a second optical system 20 including a first reflecting face 21a of positive refractive power, which is located on the magnification side from the second intermediate image 32.
    • 要解决的问题:提供能够应对紧凑设计和广角的需求的投影光学系统。 解决方案:投影光学系统1从缩小侧的第一图像表面突出到倍率侧的第二图像表面包括:第一光学系统10,包括十四个透镜L1至L14,并且构造成使得第一中间 作为第二中间图像32,从第一光学系统10的放大倍率成像在从第一光学系统10中形成的从还原侧入射的光的图像31; 以及第二光学系统20,其包括位于距第二中间图像32的放大倍率侧的正屈光力的第一反射面21a。(C)2013,JPO&INPIT
    • 20. 发明专利
    • Optical element and antireflection film transmitting carbon dioxide gas laser beam
    • 光学元件和反射膜传输二氧化碳气体激光束
    • JP2013015562A
    • 2013-01-24
    • JP2011146268
    • 2011-06-30
    • Nitto Kogaku Kk日東光学株式会社
    • OE MIYUKI
    • G02B1/11G02B1/115
    • PROBLEM TO BE SOLVED: To provide an optical element and antireflection film that transmit a carbon dioxide gas laser beam and is suitable for irradiation of a high output laser such as a carbon dioxide gas laser.SOLUTION: An optical element 1 includes a Ge substrate 2 having a physical film thickness of 2,075-2,293 nm, a first layer 3 made of YOformed on the Ge substrate 2 and having a physical film thickness of 21-23 nm, a second layer 4 made of ZnS formed on the first layer 3 and having a physical film thickness of 265-293 nm, a third layer 5 made of Ge formed on the second layer 4 and having a physical film thickness of 157-173 nm, a fourth layer 6 made of ZnS formed on the third layer 5 and having a physical film thickness of 588-650 nm, a fifth layer 7 made of YFformed on the fourth layer 6 and having a physical film thickness of 861-952 nm, a sixth layer 8 made of ZnS formed on the fifth layer 7 and having a physical film thickness of 161-178 nm, and a seventh layer 9 made of YOformed on the sixth layer 8 and having a physical film thickness of 21-23 nm.
    • 要解决的问题:提供透射二氧化碳气体激光束并适用于诸如二氧化碳气体激光器的高输出激光器的照射的光学元件和抗反射膜。 光学元件1包括物理膜厚度为2075-2,293nm的Ge基板2,由Y 2 3 ,形成在第一层3上并且物理膜厚度为265-293的由ZnS制成的第二层4 nm,形成在第二层4上并具有157-173nm的物理膜厚度的由Ge制成的第三层5,形成在第三层5上并具有588-650的物理膜厚度的由ZnS制成的第四层6 nm,形成在第四层6上并具有861-952nm的物理膜厚度的由YF 3 制成的第五层7,形成在第三层上的ZnS形成的第六层8 第五层7,物理膜厚度为161-178nm,第七层9由Y 3 形成在第六层8上,物理膜厚度为21-23nm。 版权所有(C)2013,JPO&INPIT