公开(公告)号：USRE45033E1

公开(公告)日：2014-07-22

申请号：US13961525

申请日：2013-08-07

Applicant: Seiko Epson Corporation

Inventor： Akira Miyamae ,  Shuji Narimatsu

IPC: G03B21/00

CPC classification number: G03B21/14 ,  G03B21/204

Abstract: A projector includes: a first solid-state light source device which includes a first solid-state light source emitting main excitation light, and a fluorescent layer converting main excitation light to light including a first color light component and a second color light component different from the first color light component, and emitting converted light; a second solid-state light source device which includes a second solid-state light source emitting a third color light component different from the first color light component and the second color light component; a light modulation device modulating the first color light component, the second color light component, and the third color light component in accordance with image information; a projection optical system projecting the modulated light components from the light modulation device as a projection image; and a third solid-state light source device which includes a third solid-state light source emitting auxiliary excitation light, wherein the fluorescent layer is configured such that auxiliary excitation light is input thereto in a direction different from a direction in which main excitation light is input, and the fluorescent layer is configured to convert auxiliary excitation light to light including the first color light component and the second color light component, and to emit converted light.

Abstract translation: 投影机包括：第一固态光源装置，其包括发射主激励光的第一固态光源和将主激发光转换成包含不同于第一颜色光分量的第一颜色光分量和第二颜色光成分的光的荧光层 第一颜色光分量，并发射转换光; 第二固态光源装置，其包括发射与所述第一颜色光分量不同的第三颜色光分量的第二固态光源和所述第二颜色光分量; 根据图像信息调制第一颜色光分量，第二颜色光分量和第三颜色光分量的光调制装置; 投影光学系统将来自光调制装置的调制光分量投影为投影图像; 以及第三固态光源装置，其包括发射辅助激励光的第三固体光源，其中所述荧光层被配置为使得辅助激发光沿与主激发光的方向不同的方向输入到其中 并且荧光层被配置为将辅助激发光转换成包括第一颜色光分量和第二颜色光分量的光，并发射转换的光。

公开(公告)号：US09661285B2

公开(公告)日：2017-05-23

申请号：US14446720

申请日：2014-07-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Akira Miyamae ,  Takayuki Matsubara

IPC: G03B21/20 ,  H04N9/31 ,  G02B27/14 ,  G02B27/30 ,  G02B27/28

CPC classification number: H04N9/3105 ,  G02B27/149 ,  G02B27/285 ,  G02B27/30 ,  G03B21/204 ,  H04N9/3158 ,  H04N9/3161 ,  H04N9/3164

Abstract: A projector includes a first light source apparatus, a second light source apparatus, a laser light source apparatus, a first light modulator, a second light modulator, a third light modulator that modulates light from the laser light source apparatus, a cross prism that combines first image light, second image light, and third image light formed by the respective light modulators with one another, and a secondary light source image formation system that forms a secondary light source image on an optical path between the laser light source apparatus and the third light modulator, and the secondary light source image is so shaped that the length thereof in a direction perpendicular to a central intersection line of the cross prism is longer than the length thereof in a direction parallel to the central intersection line.

公开(公告)号：US09323045B2

公开(公告)日：2016-04-26

申请号：US14172168

申请日：2014-02-04

Applicant: SEIKO EPSON CORPORATION

Inventor： Hidefumi Sakata ,  Shunji Kamijima ,  Akira Miyamae ,  Shuji Narimatsu

IPC: G03B21/14 ,  G02B26/00 ,  G03B21/28 ,  G03B33/12 ,  G02B7/00 ,  G03B21/20 ,  G03B33/08 ,  F21V9/08

CPC classification number: G02B26/008 ,  F21V9/08 ,  G02B7/008 ,  G02B26/007 ,  G03B21/142 ,  G03B21/204 ,  G03B21/28 ,  G03B33/08 ,  G03B33/12 ,  H04N2209/043

Abstract: An illumination device includes: a light source device adapted to emit an excitation light beam; and a rotating fluorescent plate having a single fluorescent layer adapted to convert a part or whole of the excitation light beam into a fluorescent light beam. The fluorescent light beam includes two or more colored light beams, and the single fluorescent layer is formed on a circular disk, which can be rotated by a motor, continuously along a circumferential direction of the circular disk.

Abstract translation: 照明装置包括：适于发射激发光束的光源装置; 以及具有适于将激发光束的一部分或全部转换为荧光光束的单个荧光层的旋转荧光板。 荧光灯包括两个或更多个有色光束，并且单个荧光层形成在圆盘上，圆盘可以通过马达沿着圆盘的圆周方向连续地旋转。

公开(公告)号：US09291313B2

公开(公告)日：2016-03-22

申请号：US13758499

申请日：2013-02-04

Applicant: SEIKO EPSON CORPORATION

Inventor： Akihiro Kashiwagi ,  Shigeo Nojima ,  Akira Miyamae

IPC: G03B21/14 ,  F21K99/00 ,  H05B33/00 ,  G03B21/20 ,  H05B33/10 ,  H05B33/14

CPC classification number: F21K9/56 ,  G03B21/14 ,  G03B21/204 ,  H05B33/00 ,  H05B33/10 ,  H05B33/14 ,  Y10T428/269

Abstract: A wavelength conversion element includes a phosphor layer that includes phosphors and a binder. The thickness of a phosphor region obtained by multiplying the thickness of the phosphor layer by the volume concentration of the phosphor is equal to or larger than 15 μm.

Abstract translation: 波长转换元件包括含有荧光体和粘合剂的荧光体层。 通过将荧光体层的厚度乘以荧光体的体积浓度而获得的荧光体区域的厚度等于或大于15μm。

公开(公告)号：US09869856B2

公开(公告)日：2018-01-16

申请号：US14903958

申请日：2014-08-01

Applicant: SEIKO EPSON CORPORATION

Inventor： Nozomu Inoue ,  Akira Miyamae ,  Shigehiro Yanase ,  Hiroyuki Shindo

IPC: H04N9/31 ,  G02B26/00 ,  G03B21/00 ,  G03B21/14 ,  G03B21/20

CPC classification number: G02B26/008 ,  G03B21/005 ,  G03B21/14 ,  G03B21/2013 ,  G03B21/204 ,  G03B21/206 ,  H04N9/3158

Abstract: An illumination device including a light source device, a rotary diffusion plate, which includes a first surface, a second surface, a diffusion section disposed on the first surface, and a detection section disposed on at least one of the first surface and the second surface, and to which light from the light source device is input, a light collecting optical system to which light from the diffusion section is input, a detector adapted to detect light from the detection section, and a control device adapted to control the light source device in accordance with a signal output from the detector. The detection section is disposed at a position different from a position where the light from the light source device enters the diffusion section.

公开(公告)号：US09206959B2

公开(公告)日：2015-12-08

申请号：US13758385

申请日：2013-02-04

Applicant: SEIKO EPSON CORPORATION

Inventor： Akihiro Kashiwagi ,  Shigeo Nojima ,  Akira Miyamae ,  Akira Egawa

IPC: G03B21/20 ,  H04N9/31 ,  F21V9/16 ,  H05B33/14

CPC classification number: F21V9/30 ,  G03B21/204 ,  H04N9/3111 ,  H04N9/3158 ,  H05B33/14

Abstract: A wavelength conversion element includes a substrate, and a fluorescent material layer disposed on the substrate. The volume concentration of the fluorescent material in the fluorescent material layer is equal to or higher than 15 vol %.

Abstract translation: 波长转换元件包括基板和设置在基板上的荧光材料层。 荧光体层的荧光体的体积浓度为15体积％以上。