公开(公告)号：JP2011100163A

公开(公告)日：2011-05-19

申请号：JP2011022248

申请日：2011-02-04

Applicant: Casio Computer Co Ltd ,  カシオ計算機株式会社

Inventor： MIYAZAKI TAKESHI ,  OGAWA MASAHIRO

IPC: G03B21/14 ,  F21S2/00 ,  F21V9/08 ,  F21V9/16 ,  F21Y101/02

Abstract: PROBLEM TO BE SOLVED: To provide a light source device which increases luminance, and a projector which includes the light source device. SOLUTION: The projector includes the light source device 63; a display element; and a projector control means or the like. The light source device 63 includes a fluorescent wheel 71, having a plurality of segment regions on a transparent base material whose rotation can be controlled, and a fluorescent material layer that emits light of a predetermined wavelength band, by receiving an exciting light which is formed on at least one of the segment regions on the transparent base material, and a segment region in which no fluorescent material layer is formed as a transmission portion that transmits light; a first light source 72 which radiates the excitation light of a visible light region onto a fluorescent material; a second light source 82 which emits light of a wavelength band that is different from the fluorescent light emitted from the fluorescent material layer and the exciting light emitted from the first light source 72; a condensing optical system which condenses light emitted from the fluorescent wheel 71 and light emitted from the second light source 82 onto the same optical path; and a light source control means which controls the emission of light from the first light source 72 and the second light source 82. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种增加亮度的光源装置，以及包括该光源装置的投影仪。

解决方案：投影仪包括光源装置63; 显示元件 和投影仪控制装置等。 光源装置63包括：荧光轮71，其具有可旋转的透明基材上的多个分段区域，以及通过接收形成的激发光的荧光材料层，其发射预定波长带的光 在透明基材上的至少一个片段区域和不形成荧光体层的区域，作为透射光的透射部分; 第一光源72，其将可见光区域的激发光辐射到荧光材料上; 发出与从荧光材料层发射的荧光不同的波长带的光和从第一光源72发射的激发光的第二光源82; 将从荧光轮71发射的光和从第二光源82发射的光聚光到同一光路上的聚光光学系统; 以及控制来自第一光源72和第二光源82的光的发射的光源控制装置。版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011070127A

公开(公告)日：2011-04-07

申请号：JP2009223333

申请日：2009-09-28

Applicant: Casio Computer Co Ltd ,  カシオ計算機株式会社

Inventor： OGAWA MASAHIRO ,  SHIBAZAKI MAMORU

IPC: G03B21/14 ,  F21S2/00 ,  G02B26/00 ,  G03B21/00

CPC classification number: G03B21/204 ,  G03B33/08

Abstract: PROBLEM TO BE SOLVED: To project an image that is bright as much as possible and has high color reproducibility in consideration of emission efficiency for each color depending on the combination of a light emitting element and a phosphor. SOLUTION: A light source device includes a semiconductor laser 41 for emitting blue (B) light, a color wheel 45 and motor 46 that use the B light, are set so that the generating period of B light of high emission efficiency is shorter than the generating period of other green (G) light, and generate B light and G light in time division, an LED 42 for emitting red (R) light, a projection light processing part 31' and CPU 32' for setting that the driving power in generation of B color light whose generating period is set to be short is larger than the driving power in generation of G light and controlling the semiconductor laser 41, the LED 42, the color wheel 45, and the motor 46 so that B light, G light and R light occur cyclically, input parts (11 and 12) for inputting an image signal, and projection systems (13-16, 18 and 19) for forming and projecting a light image of the color corresponding to the image signal input by the input parts (11 and 12) using RGB lights. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：根据发光元件和荧光体的组合，考虑到每种颜色的发光效率，投影尽可能多的亮度的图像，并且具有高的颜色再现性。 解决方案：一种光源装置包括用于发射蓝色（B）光的半导体激光器41，使用B光的色轮45和电机46，使得发光效率高的B光的发生周期为 比其他绿色（G）光的生成周期短，并且分时地产生B光和G光，用于发射红色（R）光的LED 42，用于设置该光的处理部31'和CPU 32' 发电周期设定为短的B色光的产生中的驱动功率大于G光产生时的驱动功率，并且控制半导体激光器41，LED 42，色轮45和电动机46，使得B 光，G光和R光周期性地发生，用于输入图像信号的输入部分（11和12）以及用于形成和投影与图像信号对应的颜色的光图像的投影系统（13-16,18和19） 使用RGB灯由输入部分（11和12）输入。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011053320A

公开(公告)日：2011-03-17

申请号：JP2009200267

申请日：2009-08-31

Applicant: Casio Computer Co Ltd ,  Stanley Electric Co Ltd ,  カシオ計算機株式会社 ,  スタンレー電気株式会社

Inventor： OGURA NAOTADA ,  OGAWA MASAHIRO ,  NAKAMURA HIDETAKA ,  MIYAZAKI TAKESHI ,  MASUDA HIROKI ,  KAWAKAMI YASUYUKI

IPC: G03B21/14

CPC classification number: G03B21/204

Abstract: PROBLEM TO BE SOLVED: To provide a light source device emitting high-luminance and high-intensity light source light even when the quantity of excitation light is low, by determining the phosphor content weight concentration of a phosphor layer and the film thickness of the phosphor layer to heighten the light emission intensity. SOLUTION: The light source device includes: an excitation light source emitting blue wavelength band light; a fluorescent wheel; a light-emitting element emitting red wavelength band light; and a condensing optical system condensing light emitted from the fluorescent wheel and the light-emitting element on an incident plane of a light guide device. In the fluorescent wheel, a fluorescent light emission area having a green phosphor layer laid to emit fluorescent emission light of a green wavelength band taking light emitted from the excitation light source as excitation light and a diffusion area for converting the light emitted from the excitation light source to diffused light having weak directivity, are juxtaposed in the peripheral direction. In the green phosphor layer, the content weight concentration and the film thickness of the green phosphor to the phosphor layer are determined to heighten the light emission intensity of the fluorescent emission light emitted from the green phosphor layer. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：即使通过确定荧光体层的荧光体含量重量浓度和膜厚度来提供即使激发光量低的发光高亮度和高强度光源光的光源装置 的荧光体层以提高发光强度。 解决方案：光源装置包括：发射蓝色波长带光的激发光源; 荧光轮 发射红色波长带光的发光元件; 以及会聚光学系统，其将从荧光轮发射的光和发光元件聚光在导光装置的入射面上。 在荧光轮中，具有绿色荧光体层的荧光发光区域，其发出从激发光源发出的光作为激发光的绿色波长带的荧光发射光，以及用于转换从激发光发射的光的扩散区域 源于具有弱方向性的漫射光在周向方向上并列。 在绿色荧光体层中，确定绿色荧光体与荧光体层的含量重量浓度和膜厚度，以提高从绿色荧光体层发射的荧光发射光的发光强度。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011095388A

公开(公告)日：2011-05-12

申请号：JP2009247689

申请日：2009-10-28

Applicant: Casio Computer Co Ltd ,  カシオ計算機株式会社

Inventor： OGINO HIROSHI ,  UMAMINE OSAMU ,  MASUDA HIROKI ,  OTA MASANORI ,  OGURA NAOTADA ,  SHIBAZAKI MAMORU ,  KUROSAKI HIDEMASA ,  OGAWA MASAHIRO

IPC: G03B21/14 ,  F21S2/00 ,  F21Y101/02

CPC classification number: G03B21/206 ,  G03B21/2013 ,  G03B21/204 ,  G03B33/08 ,  H04N9/3117

Abstract: PROBLEM TO BE SOLVED: To provide a light source unit capable of achieving improvement in luminance by freely emitting single-color light and synthetic light, and to provide a projector including the light source unit.
SOLUTION: The projector includes: the light source unit 60; a display element; and a projector control means or the like. The light source unit 60 includes: an excitation light-shining device 70; a fluorescent wheel 101 having a fluorescence light-emitting area on base material and adapted to emit green fluorescence light by radiation of excitation light from the excitation light-shining device 70 to the fluorescence light-emitting area; a red light source device 120 and a blue light source device 300; a light source-side optical system 140 for collecting, on a predetermined plane, the fluorescence light emitted from the fluorescent wheel 101 and the light emitted from the red and blue light source devices 120 and 300; and a light source control means for individually controlling the emission from the excitation light-shining device 70 and the two types of light source devices 120 and 300, wherein the light source control means individually controls the emission from the excitation light-shining device 70 and the two light source devices 120 and 300, to emit the synthetic light or the single-color light.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够通过自由发射单色光和合成光来实现亮度提高的光源单元，并且提供一种包括光源单元的投影仪。

解决方案：投影机包括：光源单元60; 显示元件 和投影仪控制装置等。 光源单元60包括：激发光照射装置70; 荧光轮101，其在基材上具有荧光发光区域，并且适于通过从激发光照射装置70向荧光发光区域的激发光的辐射而发出绿色荧光; 红色光源装置120和蓝色光源装置300; 用于在预定平面上收集从荧光轮101发射的荧光和从红色和蓝色光源装置120和300发射的光的光源侧光学系统140; 以及用于分别控制来自激发发光装置70和两种类型的光源装置120和300的发射的光源控制装置，其中光源控制装置分别控制来自激发发光装置70的发射和 两个光源装置120和300发射合成光或单色光。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011013316A

公开(公告)日：2011-01-20

申请号：JP2009155452

申请日：2009-06-30

Applicant: Casio Computer Co Ltd ,  カシオ計算機株式会社

Inventor： MIYAZAKI TAKESHI ,  OGAWA MASAHIRO

IPC: G03B21/14 ,  F21S2/00 ,  F21Y101/00

CPC classification number: G02B26/008 ,  G03B21/204 ,  G03B33/08 ,  H04N9/3117 ,  H04N9/3161 ,  H04N9/3164

Abstract: PROBLEM TO BE SOLVED: To provide a light source device which increases luminance, and a projector including the light source device.SOLUTION: The projector includes: a light source device 63; a display element; and a projector control means or the like. The light source device 63 includes: a fluorescent wheel 71 which has a plurality of segment areas on a transparent base material whose rotation can be controlled, and a fluorescent substance layer that emits light having a predetermined wavelength band by receiving excitation light, which is formed on at least one of the segment areas on the transparent base material, and a segment area in which no fluorescent substance layer is formed, as a transmission part that transmits light; a first light source 72 for radiating excitation light in a visible light region onto a fluorescent substance; a second light source 82 for emitting light having a wavelength band that differs from those of fluorescent light emitted from the fluorescent substance layer and excitation light emitted from the first light source 72; a light gathering optical system for gathering light emitted from the fluorescent wheel 71 and light emitted from the second light source 82 onto the same optical path; and a light source control means for controlling the emission of light from the first light source 72 and the second light source 82.

Abstract translation: 要解决的问题：提供增加亮度的光源装置和包括该光源装置的投影仪。解决方案：投影仪包括：光源装置63; 显示元件 和投影仪控制装置等。 光源装置63包括：荧光轮71，其在可以控制旋转的透明基材上具有多个区域区域;以及荧光物质层，其通过接收形成的激发光而发射具有预定波长带的光的荧光物质层 在透明基材上的至少一个区段区域和不形成荧光物质层的区域区域中，作为透射光的透射部分; 用于将可见光区域中的激发光照射到荧光物质上的第一光源72; 用于发射具有与从荧光物质层发射的荧光不同的波长带和从第一光源72发射的激发光的光的第二光源82; 用于将从荧光轮71发射的光和从第二光源82发射的光收集到相同的光路上的聚光光学系统; 以及用于控制来自第一光源72和第二光源82的光的发射的光源控制装置。

公开(公告)号：JP2011095391A

公开(公告)日：2011-05-12

申请号：JP2009247696

申请日：2009-10-28

Applicant: Casio Computer Co Ltd ,  カシオ計算機株式会社

Inventor： OGAWA MASAHIRO

IPC: G03B21/14 ,  F21S2/00 ,  F21Y101/02

CPC classification number: G03B21/20 ,  G03B21/145 ,  G03B21/204 ,  G03B33/08 ,  H04N9/3114 ,  H04N9/3155

Abstract: PROBLEM TO BE SOLVED: To provide a light source unit capable of performing a stable projection without causing the heat generation of a luminescent material even when being used continuously for a prolonged time, and to provide a projector with the light source unit.
SOLUTION: The projector includes a light source unit, a display element, a light guiding optical system, a projection-side optical system and a light source control means for controlling the light source unit. The light source unit includes: an excitation light-shining device for emitting excitation light; a luminescent wheel receiving the light emitted from the excitation light-shining device as the excitation light to emit a luminescent light ray of a green wavelength band; and a light source-side optical system for collecting light rays emitted from the luminescent wheel and emitted from respective light source devices onto a predetermined plane. The light source control means controls, with time sharing, the excitation light-shining device, the red light source device and the blue light source device, and controls the rotational speed of the luminescent wheel so that a period of time required for the excitation light-shining device, the red light source device and the blue light source device to be turned on once and sequentially does not become an integral multiple of a period of time required for the luminescent wheel to rotate once.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供即使长时间连续使用也能够进行稳定投影而不引起发光材料的发热的光源单元，并且提供具有光源单元的投影仪。 解决方案：投影仪包括光源单元，显示元件，导光光学系统，投影侧光学系统和用于控制光源单元的光源控制装置。 光源单元包括：用于发射激发光的激发光照射装置; 接收从激发光照射装置发出的光作为激发光的发光轮发射绿色波长带的发光光; 以及光源侧光学系统，用于收集从发光轮发射并从各个光源装置发射到预定平面上的光线。 光源控制装置随时间共同地控制激发发光装置，红光源装置和蓝光源装置，并且控制发光轮的旋转速度，使得激发光所需的时间 红色光源装置和蓝色光源装置一次并顺序地打开，不会成为发光轮旋转一次所需时间的整数倍。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011053323A

公开(公告)日：2011-03-17

申请号：JP2009200325

申请日：2009-08-31

Applicant: Casio Computer Co Ltd ,  Stanley Electric Co Ltd ,  カシオ計算機株式会社 ,  スタンレー電気株式会社

Inventor： OGURA NAOTADA ,  OGAWA MASAHIRO ,  NAKAMURA HIDETAKA ,  MIYAZAKI TAKESHI ,  UMAMINE OSAMU ,  MASUDA HIROKI ,  TAYA SHUICHI ,  KAWAKAMI YASUYUKI ,  NAGASAKI ATSUSHI

IPC: G03B21/14 ,  G02B5/02 ,  G02B5/08 ,  G02B19/00

Abstract: PROBLEM TO BE SOLVED: To provide a light source device improving the luminance, and to provide a projector including the same. SOLUTION: The projector includes: the light source device; a display element; a projector control means and the like. The light source device includes: a fluorescent wheel having a fluorescence light emission area where a phosphor layer emitting green band light on receiving excitation light is formed, and a diffuse transmission area diffusing and transmitting light, on a rotation controllable base material; an excitation light source irradiating the phosphor with the excitation light of a blue wavelength band; a light-emitting element emitting red band light; a condensing optical system condensing light from the fluorescent wheel and light from the light-emitting element on the same optical path; and a light source control means controlling the light emission of the excitation light source and the light-emitting element. The green phosphor has such characteristics that even when it receives high density excitation light, little fluorescence saturation is caused. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种提高亮度的光源装置，并提供一种包括该光源的投影仪。

解决方案：投影机包括：光源装置; 显示元件 投影仪控制装置等。 光源装置包括：具有荧光发光区域的荧光轮，其中形成在接收激发光时发射绿带光的荧光体层，以及在旋转可控基材上扩散和透射光的漫射透射区域; 激发光源，用蓝色波长带的激发光照射荧光体; 发射红色光的发光元件; 聚光光学系统将来自荧光轮的光和来自发光元件的光聚光在同一光路上; 以及控制激发光源和发光元件的发光的光源控制装置。 绿色荧光体具有这样的特性，即使在接收到高密度的激发光时也会产生较少的荧光饱和。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010164848A

公开(公告)日：2010-07-29

申请号：JP2009008111

申请日：2009-01-16

Applicant: Casio Computer Co Ltd ,  カシオ計算機株式会社

Inventor： OGAWA MASAHIRO

IPC: G03B21/00 ,  H04N9/31

Abstract: PROBLEM TO BE SOLVED: To appropriately adjust brightness and hue in each of projection color modes, in a simple configuration. SOLUTION: A projecting device includes: light sources 17 to 19; a color wheel 20 in which a plurality of primary color filters 20R, 20G, and 20B and a transparent filter 20W, which each have a sector shape, are arranged along a circumference and which inserts one filter into an optical path from the light sources 17 to 19 according to rotation in a time sharing manner, to transmit the light of the light sources; projecting systems 13 to 16 and 21 to 23 that form an optical image by use of light via the color wheel 20 and project the optical image toward a projection target; an operating section 31 for designating a projection color mode for giving priority to hue or brightness; and light source control systems 28 to 30 and 27 that control the brightness of the light emitted from the light sources 17 to 19 in synchronization with insertion of the primary color filters 20R, 20G, and 20B and transparent filter 20W into optical paths according to the designation by the operating part 31. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：以简单的配置适当地调整每种投影颜色模式中的亮度和色调。

解决方案：投影设备包括：光源17至19; 沿着圆周布置有各自具有扇形的多个原色滤色器20R，20G，20B和透明滤光器20W的色轮20，并且将一个滤光器从光源17插入到光路中 按照分时方式旋转到19，传输光源的光; 投影系统13至16和21至23，其通过使用光通过色轮20形成光学图像，并将光学图像投射到投影对象; 用于指定优先于色调或亮度的投影颜色模式的操作部分31; 以及光源控制系统28至30和27，其控制从原色滤光器20R，20G和20B以及透明滤光器20W插入光路17至19中发出的光的亮度。 经营部门31的指定。版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2014062951A

公开(公告)日：2014-04-10

申请号：JP2012206666

申请日：2012-09-20

Applicant: Casio Comput Co Ltd ,  カシオ計算機株式会社

Inventor： MASUDA HIROKI ,  OGAWA MASAHIRO ,  UMAMINE OSAMU

IPC: G03B21/14 ,  F21S2/00 ,  F21Y101/02 ,  G03B21/00 ,  H04N5/74

CPC classification number: G03B21/142 ,  F21V9/08 ,  F21V13/08 ,  G03B21/2013 ,  G03B21/204 ,  G03B21/208 ,  H04N9/3161

Abstract: PROBLEM TO BE SOLVED: To increase the surface uniformity of fluorescent light to be emitted from a fluorescent body in a light source device constituted of an excitation light source and a fluorescent body.SOLUTION: The light source device includes: an excitation light source 71; an in-face light distribution adjustment device 81 through which excitation light from the light source 71 is transmitted; and a fluorescent body to which the excitation light transmitted through the light guide member 81 is emitted.

Abstract translation: 要解决的问题：增加在由激发光源和荧光体构成的光源装置中从荧光体发射的荧光的表面均匀性。解决方案：光源装置包括：激发光源71; 面向光分配调节装置81，透过来自光源71的激发光; 以及发射通过导光部件81的激发光的荧光体。

公开(公告)号：JP2014041359A

公开(公告)日：2014-03-06

申请号：JP2013194792

申请日：2013-09-20

Applicant: Casio Comput Co Ltd ,  カシオ計算機株式会社

Inventor： OGAWA MASAHIRO

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

Abstract: PROBLEM TO BE SOLVED: To appropriately adjust luminance and color tone in each projection color mode although a structure is simplified.SOLUTION: A projection device comprises: light sources 17 to 19; a color wheel 20 that has a plurality of fan-shape primary color filters 20R, 20G and 20B and a transparent filter 20W arranged along a circumference, inserts one filter in a light path from the light sources 17 to 19 in time division in accordance with a rotation and transmits light source light; projection systems 13 to 16 and 21 to 23 that form a light image using light via the color filter 20, and project the light image toward a projection target; an operation part 31 that designates a projection mode for putting emphasis on any one of a color tone and brightness; and light source control systems 28 to 30 and 27 that control light emission luminance of the light sources 17 to 19 according to each timing of inserting the plurality of primary color filters 20R, 20G and 20B and the transparent filter 20W into the light path in accordance with the content designated by the operation part 31.

Abstract translation: 要解决的问题：尽管结构简化，但是在各投影颜色模式中适当地调节亮度和色调。解决方案：投影装置包括：光源17至19; 具有沿着圆周布置的多个扇形原色滤光器20R，20G和20B以及透明滤光器20W的色轮20根据照相机时间分割从光源17至19的光路插入一个滤光器 旋转并传输光源光; 投影系统13至16和21至23，其通过滤色器20形成使用光的光图像，并将光图像投影到投影对象; 指定用于强调色调和亮度中的任一个的投影模式的操作部31; 以及根据将多个原色滤光器20R，20G和20B以及透明滤光器20W插入到光路中的每个定时来控制光源17至19的发光亮度的光源控制系统28至30和27 由操作部31指定的内容。