WO2011092842A1 - 照明光学系とこれを用いたプロジェクタ - Google Patents
照明光学系とこれを用いたプロジェクタ Download PDFInfo
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- WO2011092842A1 WO2011092842A1 PCT/JP2010/051238 JP2010051238W WO2011092842A1 WO 2011092842 A1 WO2011092842 A1 WO 2011092842A1 JP 2010051238 W JP2010051238 W JP 2010051238W WO 2011092842 A1 WO2011092842 A1 WO 2011092842A1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
Definitions
- the present invention relates to an illumination optical system that generates illumination light of a plurality of colors for forming image light of a plurality of colors, and a projector that projects each image light by the illumination optical system.
- a technology that uses an LED (Light Emitting Diode) as a light source of a projector that projects an image on a screen such as a liquid crystal projector or a DMD (Digital Micromirror Device) projector has attracted attention (see Patent Document 1).
- LED Light Emitting Diode
- DMD Digital Micromirror Device
- LEDs Because of the long life and high reliability of LEDs, projectors using LEDs as light sources have the advantage of long life and high reliability.
- the brightness of the LED light is low for a projector, so it is not easy to obtain an image with sufficient brightness for the projector using the LED as a light source.
- How much the light from the light source can be used as projection light by the display panel is limited by etendue. That is, if the value of the product of the light emission area and the emission angle of the light source is not less than or equal to the product of the area of the incident surface of the display panel and the capture angle determined by the F number of the illumination optical system, the light from the light source is efficiently It cannot be used as projection light.
- the amount of light can be increased by increasing the light emitting area, but if the light emitting area increases, the etendue of the light source increases. Due to etendue limitations, it is desirable for the light source of a projector to increase the light amount without increasing the light emitting area, but it is difficult to increase the light amount without increasing the light emitting area with a light source using an LED.
- ⁇ Etendue increases with light sources that use only LEDs.
- the present invention realizes an illumination optical system having a small etendue, a longer life, and a high luminance.
- the illumination optical system of the present invention is A laser light source that generates excitation light; A phosphor that generates fluorescence by the excitation light; A light tunnel that emits the excitation light incident on one end toward the phosphor from the other end, and emits fluorescence generated in the phosphor from the one end; A dichroic mirror that is provided between the laser light source and the light tunnel and transmits one of the fluorescence and the excitation light and reflects the other; It has.
- the projector according to the present invention includes the illumination optical system described above.
- a laser having a high energy density is focused on a phosphor as excitation light, and the fluorescence emitted from the focused location is used, so that the etendue is small, and the illumination has a longer lifetime and high brightness.
- An optical system can be realized.
- FIG. 4 is a cross-sectional view showing the configuration of a blue fluorescent region 401, a green fluorescent region 402, and a red fluorescent region 403. It is a block diagram which shows the structure of other embodiment of the illumination optical system by this invention.
- 4A is a block diagram showing the configuration of another embodiment of the illumination optical system according to the present invention
- FIG. 4B is a cross-sectional view showing the structure of the phosphor 303.
- FIG. It is a block diagram which shows the circuit structure of the projector using the illumination optical system of embodiment shown in FIG. It is a block diagram which shows the circuit structure of the projector using the illumination optical system of embodiment shown in FIG.
- FIG. 1 is a block diagram showing a configuration of an embodiment of an illumination optical system according to the present invention.
- This embodiment includes a laser light source 101, a dichroic mirror 102, a light tunnel 103, a fluorescent wheel 104, and a reflecting prism 105.
- the laser light source 101 generates laser light used as excitation light having a wavelength ⁇ 1.
- the laser light generated by the laser light source 101 enters the fluorescent wheel 104 through the dichroic mirror 102 and the light tunnel 103.
- the fluorescence wheel 104 includes a plurality of fluorescence generation regions that generate light of different wavelengths by the laser light generated by the laser light source 101.
- FIG. 2A is a plan view of the fluorescent wheel 104 as viewed from the laser light incident surface (left side to right side in FIG. 1) generated by the laser light source 101.
- FIG. 2A is a plan view of the fluorescent wheel 104 as viewed from the laser light incident surface (left side to right side in FIG. 1) generated by the laser light source 101.
- the circular fluorescent wheel 104 includes a blue fluorescent region 401, a green fluorescent region 402, and a red fluorescent region 403 whose regions are defined by an angle from the center.
- the blue fluorescent region 401, the green fluorescent region 402, and the red fluorescent region 403 have wavelengths ⁇ 2, ⁇ 3, and ⁇ 4 ( ⁇ 2 ⁇ 3 ⁇ 4) longer than the wavelength ⁇ 1 when the laser light generated by the laser light source 101 is incident. Blue fluorescence, green fluorescence, and red fluorescence are generated.
- FIG. 2B, 2C, and 2D are cross-sectional views showing the configuration of the blue fluorescent region 401, the green fluorescent region 402, and the red fluorescent region 403.
- FIG. 2B, 2C, and 2D are cross-sectional views showing the configuration of the blue fluorescent region 401, the green fluorescent region 402, and the red fluorescent region 403.
- a reflective layer 405 and a blue phosphor layer 406 that reflect light having wavelengths ⁇ 2 to ⁇ 4 are laminated on a substrate 404.
- the blue phosphor layer 406 generates blue fluorescence having a wavelength ⁇ 2 when an excitation laser beam having a wavelength ⁇ 1 is incident.
- a green phosphor layer 407 is laminated on the reflective layer 405.
- the green phosphor layer 407 emits green fluorescence having a wavelength ⁇ 3 when an excitation laser beam having a wavelength ⁇ 1 is incident.
- a red phosphor layer 408 is laminated on the reflective layer 405.
- the red phosphor layer 408 emits red fluorescence having a wavelength ⁇ 4 when an excitation laser beam having a wavelength ⁇ 1 is incident.
- the fluorescent wheel having the above configuration rotates about the center, and the incident position of the laser beam generated by the laser light source 101 is set to the vicinity of the outer periphery. For this reason, in the state where the laser light generated by the laser light source 101 is incident, blue fluorescent light, green fluorescent light, and red fluorescent light are sequentially generated, reflected by the reflective layer 405, and re-entered into the light tunnel 103.
- the dichroic mirror 102 reflects light of ⁇ 2, ⁇ 3, and ⁇ 4, and allows light of ⁇ 1 to pass through.
- the light tunnel 103 has a tapered shape in which the size of both end faces serving as the entrance and exit surfaces is different, and the light tunnel 103 has a tapered shape, thereby changing the angle distribution of the diffused fluorescence generated in each phosphor to be uniform.
- the light tunnel includes those in which the hollow inner surface is constituted by a mirror and those in which a solid transparent polygonal column is used and total reflection is used. The latter is also called a rod lens.
- the laser light generated by the laser light source 101 passes through the dichroic mirror 102 and enters the fluorescent wheel 104 through the light tunnel 103.
- Blue fluorescent light, green fluorescent light, and red fluorescent light that are sequentially generated by the fluorescent wheel 104 re-enter the light tunnel 103, are reflected by the dichroic mirror 102 and the reflecting prism 105, and are emitted as illumination light.
- uniformed red fluorescence, green fluorescence, and blue fluorescence appear in order and are used as illumination light.
- FIG. 3 is a block diagram showing the configuration of another embodiment of the illumination optical system according to the present invention.
- three colors of fluorescence are generated by one excitation light source by using a fluorescence wheel having three fluorescence regions.
- phosphors of respective colors are used. Each is provided with a separate excitation light source.
- This embodiment includes laser light sources 201, 205, 209, dichroic mirrors 202, 206, 210, light tunnels 203, 207, 211, blue phosphor 204, green phosphor 208, red phosphor 212, and cross dichroic prism 212. Has been.
- Laser light sources 201, 205, and 209 generate laser light used as excitation light having a wavelength ⁇ 1.
- the blue phosphor 204, the green phosphor 208, and the red phosphor 212 have wavelengths ⁇ 2, ⁇ 3, and ⁇ 4 ( ⁇ 2 ⁇ 3 ⁇ 4) longer than the wavelength ⁇ 1 when the laser light generated by the laser light source 201 is incident. Blue fluorescence, green fluorescence, and red fluorescence are generated.
- the structures of the blue phosphor 204, the green phosphor 208, and the red phosphor 212 are the structures of the blue fluorescent region 401, the green fluorescent region 402, and the red fluorescent region 403 shown in FIGS. 2 (b), (c), and (d).
- the blue phosphor, the green phosphor, and the red phosphor are formed on the reflective layer formed on the substrate.
- the dichroic mirror 202 transmits light having a wavelength ⁇ 1 and reflects light having a wavelength ⁇ 2.
- the dichroic mirror 206 reflects the light of wavelength ⁇ 1 and allows the light of ⁇ 3 to pass.
- the dichroic mirror 210 reflects light having a wavelength ⁇ 1 and allows light having a wavelength ⁇ 4 to pass.
- the light tunnels 203, 207, and 211 have tapered shapes with different end face sizes, and change the angular distribution of diffused fluorescence generated in each phosphor. Can be made uniform.
- the light tunnel includes a hollow inner surface made of a mirror and a light tunnel made of a solid transparent polygonal column and utilizing total reflection.
- Laser light generated by the laser light source 201 enters the blue phosphor 204 through the dichroic mirror 202 and the light tunnel 203.
- Blue fluorescence generated by the blue phosphor 204 passes through the light tunnel 203, is reflected by the dichroic mirror 202, and enters the cross dichroic prism 213.
- the laser light generated by the laser light source 205 is reflected by the dichroic mirror 206 and enters the green phosphor 208 through the light tunnel 207.
- the green fluorescence generated by the green phosphor 208 enters the cross dichroic prism 213 through the light tunnel 207 and the dichroic mirror 202.
- the laser light generated by the laser light source 209 is reflected by the dichroic mirror 210 and enters the red phosphor 221 through the light tunnel 211.
- Red fluorescence generated by the red phosphor 212 enters the cross dichroic prism 213 through the light tunnel 211 and the dichroic mirror 210.
- the cross dichroic prism 213 allows light of wavelength ⁇ 2 to pass and reflects light of wavelengths ⁇ 3 and ⁇ 4. For this reason, each fluorescence generated by each phosphor is emitted in the same direction.
- each fluorescence can be sequentially output as in the illumination optical system shown in FIG.
- a unit that generates fluorescence is provided for each color.
- the blue laser light from the laser light source 201 passes through the dichroic mirror 202 and enters the light tunnel 203, and the green or red laser light from the laser light sources 205 and 209 includes the dichroic mirror 206. , 210 and incident on the light tunnels 207 and 211, these may be mixed or of course only one of them. Since similar fluorescence can be obtained with different optical systems, the degree of freedom in design can be improved.
- FIG. 4A is a block diagram showing a configuration of another embodiment of the illumination optical system according to the present invention.
- This embodiment is a modification of the unit shown in FIG. 3 in which the excitation light from the laser light source is reflected by the dichroic mirror and enters the light tunnel among the units provided for the respective colors. It is what raises.
- This embodiment includes laser light sources 301 and 302, a phosphor 303, a light tunnel 304, and a dichroic mirror 305.
- the laser light sources 301 and 302 generate laser light having the same wavelength as excitation light.
- FIG. 4B is a cross-sectional view showing the structure of the phosphor 303.
- a reflective layer 307 and a phosphor layer 308 are stacked on a substrate 306.
- the phosphor layer 308 generates fluorescence having a wavelength longer than that of the laser light by the laser light of the laser light sources 301 and 302.
- the reflection layer 307 allows the laser light generated by the laser light sources 301 and 302 to pass therethrough and reflects the fluorescence generated by the phosphor layer 308.
- the dichroic mirror 305 reflects the laser light generated by the laser light sources 301 and 302 and passes the fluorescence generated by the phosphor layer 308.
- the laser light generated by the laser light source 301 passes through the reflection layer 307 and enters the phosphor layer 308, and the laser light generated by the laser light source 302 is reflected by the dichroic mirror 305 and enters the phosphor layer 308.
- fluorescence is generated by the laser light from the incident laser light sources 301 and 302.
- the fluorescence generated in the phosphor layer 308 is output to the outside through the light tunnel 304 and the dichroic mirror 305 and used as illumination light.
- the laser beams from the laser light sources 301 and 302 there is also a laser beam that has not contributed to the generation of fluorescence. However, since it is reflected by the dichroic mirror 305, it is not emitted to the outside.
- the illumination optical system that outputs the phosphors 303 of the present embodiment according to the respective colors as the fluorescent wheel shown in FIG. 1 may be configured. Further, the illumination optical system shown in FIG. 3 may be configured with the units of the present embodiment as three units that generate different fluorescence.
- FIG. 5 is a block diagram showing a circuit configuration of a projector using the illumination optical system of the embodiment shown in FIG.
- a projector shown in FIG. 5 includes a user interface unit 501, a control unit 502, a storage unit 503, a video signal processing unit 504, a synchronization signal processing unit 505, an LD driving unit 506, a fluorescent wheel driving unit 508, a display element driving unit 509, a rotation.
- the user interface unit 501 receives an instruction input from the user and outputs it to the control unit 502, and displays the current operating state of the projector on a display device (not shown) such as an indicator or a display panel.
- the control unit 502 controls each unit constituting the projector according to a program stored in the storage unit 503.
- the storage unit 503 stores the control program of the control unit 503 and temporarily stores video data.
- the video signal processing unit 504 converts the video signal input from the outside into a video signal used in the projector. Since the video signal of this embodiment has a configuration in which the illumination light of each color is sequentially output from the illumination optical system as described above, the video signal corresponding to each color is sequentially generated.
- the synchronization signal processing unit 505 converts a synchronization signal synchronized with a video signal input from the outside into a video signal used in the projector. Specifically, a synchronization signal indicating the output timing of each color video signal is generated and output.
- the LD driving unit 506 controls the lighting state of the laser light source 101 according to the synchronization signal output from the synchronization signal processing unit 505.
- the rotation state detection unit 510 detects the rotation state of the fluorescent wheel 105 and outputs it to the fluorescent wheel driving unit 508.
- the fluorescent wheel driving unit 508 includes a color of the video signal indicated by the synchronization signal output from the synchronous signal processing unit 505, and a color output by the illumination optical system indicated by the rotation state of the fluorescent wheel 105 detected by the rotation state detection unit 510.
- the display element driving unit 509 controls the rotation state of the fluorescent wheel 105 so as to coincide with each other, and drives the display element 511 in accordance with the video signal output from the video signal processing unit.
- the display element 511 a plurality of micromirrors are arranged in a matrix, and a reflective image forming element that forms an image according to the reflection state of each micromirror, a transmissive liquid crystal display element, a reflective liquid crystal display element, or the like.
- a display element that sequentially displays images of the respective colors is used.
- the display element 511 that displays an image corresponding to each color is illuminated by illumination light of each color sequentially output from the illumination optical system, and a reflected image or a transmitted image of the display element 511 is projected optically. Projected sequentially through a system (not shown).
- FIG. 6 is a block diagram showing a circuit configuration of a projector using the illumination optical system of the embodiment shown in FIG.
- the projector shown in FIG. 6 includes a user interface unit 501, a control unit 502, a storage unit 503, a video signal processing unit 504, a synchronization signal processing unit 505, an LD driving unit 506 ′, a display element driving unit 509 ′, a display element 511, 1 includes the laser light sources 201, 205, and 209 shown in FIG.
- the configurations and operations of the user interface unit 501, the control unit 502, the storage unit 503, the video signal processing unit 504, and the synchronization signal processing unit 505 are the same as those shown in FIG. Description is omitted.
- the LD driving unit 506 ′ controls the lighting state of the laser light sources 201, 205, and 209 according to the synchronization signal output from the synchronization signal processing unit 505.
- the display element driving unit 509 ′ drives the display element 511 ′ in accordance with the video signal output from the video signal processing unit.
- the display element similarly to the display element 511 shown in FIG. 5, a plurality of display elements for sequentially displaying images of each color are arranged in a matrix, and an image is formed by the reflection state of each micromirror. Since the reflective image forming element, the transmissive liquid crystal display element, and the reflective liquid crystal display element are used, the LD driving unit 506 ′ uses the laser light sources 201, 205, and 209 according to the image job displayed by the display element 511 ′. Light up.
- the LD driving unit 506 ′ turns on the laser light sources 201, 205, and 209 simultaneously.
- the display element 511 ′ that displays an image corresponding to each color is illuminated by illumination light of each color sequentially output from the illumination optical system, and a reflected image or a transmitted image of the display element 511 ′ is displayed.
- the images are sequentially projected via a projection optical system (not shown).
Abstract
Description
励起光を発生するレーザ光源と、
前記励起光により蛍光を発生する蛍光体と、
一端に入射された前記励起光を他端より前記蛍光体へ向けて出射し、前記蛍光体にて発生した蛍光を前記一端より出射するライトトンネルと、
前記レーザ光源と前記ライトトンネルの間に設けられ、前記蛍光と前記励起光のいずれか一方を通過させ、他方を反射させるダイクロイックミラーと、
を備えている。また、本発明によるプロジェクタは上記の照明光学系を備えている。
表示素子駆動部509は映像信号処理部が出力する映像信号に応じて、表示素子511を駆動する。ここで、表示素子511としては、複数のマイクロミラーがマトリックス状に配置され、各マイクロミラーの反射状態により画像を形成する反射型画像形成素子や、透過型液晶表示素子、反射型液晶表示素子などの、各色の画像を順次表示させる表示素子が用いられる。
102 ダイクロイックミラー
103 ライトトンネル
104 蛍光ホイール
105 反射プリズム
Claims (5)
- 励起光を発生するレーザ光源と、
前記励起光により蛍光を発生する蛍光体と、
一端に入射された前記励起光を他端より前記蛍光体へ向けて出射し、前記蛍光体にて発生した蛍光を前記一端より出射するライトトンネルと、
前記レーザ光源と前記ライトトンネルの間に設けられ、前記蛍光と前記励起光のいずれか一方を通過させ、他方を反射させるダイクロイックミラーと、
を備えることを特徴とする照明光学系。 - 請求項1記載の照明光学系において、
前記蛍光体は、それぞれ異なる波長の蛍光を発生する複数の蛍光領域を備え、回転により前記ライトトンネルより照射される位置が各蛍光領域上を移動する蛍光ホイールであることを特徴とする照明光学系。 - 請求項1記載の照明光学系のユニットを複数備え、
各ユニットの蛍光体はそれぞれ異なる波長の蛍光を発生し、
各ユニットの出射光を入射して同じ方向に向けて出射するクロスダイクロイックプリズムを有することを特徴とする照明光学系。 - 請求項1ないし請求項3のいずれかに記載の照明光学系において、
前記ダイクロイックミラーは、前記励起光を反射させ、
前記蛍光体の反ライトトンネル側から励起光を前記蛍光体に向けて照射する第2のレーザ光源を具備し、
前記蛍光体は前記第2のレーザ光源側に設けられ、前記励起光を通過させ、前記蛍光を反射する反射層と、ライトトンネル側に設けられた蛍光体層とを有することを特徴とする照明光学系。 - 請求項1ないし請求項4のいずれかに記載の照明光学系を備えたプロジェクタ。
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PCT/JP2010/051238 WO2011092842A1 (ja) | 2010-01-29 | 2010-01-29 | 照明光学系とこれを用いたプロジェクタ |
JP2011551639A JP5473021B2 (ja) | 2010-01-29 | 2010-01-29 | 照明光学系とこれを用いたプロジェクタ |
US12/734,554 US9022580B2 (en) | 2010-01-29 | 2010-01-29 | Illumination optical system and projector using the same |
CN201080062776.6A CN102741743A (zh) | 2010-01-29 | 2010-01-29 | 照明光学系统和使用该照明光学系统的投影仪 |
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JP5656290B2 (ja) * | 2011-03-18 | 2015-01-21 | スタンレー電気株式会社 | 半導体発光装置 |
JP5820983B2 (ja) * | 2011-08-01 | 2015-11-24 | パナソニックIpマネジメント株式会社 | 投写型映像表示装置 |
TWI442165B (zh) * | 2011-10-26 | 2014-06-21 | Hon Hai Prec Ind Co Ltd | 投影機光機裝置 |
TW201317705A (zh) * | 2011-10-31 | 2013-05-01 | Delta Electronics Inc | 發光模組及顯示裝置 |
DE102012201192A1 (de) * | 2012-01-27 | 2013-08-01 | Osram Gmbh | Leuchtvorrichtung mit Leuchtstoffrad |
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TWI459122B (zh) * | 2013-01-17 | 2014-11-01 | Delta Electronics Inc | 光學系統 |
US9170475B2 (en) | 2013-02-27 | 2015-10-27 | Barco N.V. | Light valve projector with laser-phosphor light converter |
JP5928383B2 (ja) * | 2013-03-22 | 2016-06-01 | ソニー株式会社 | 光源装置および表示装置 |
DE102013215374A1 (de) * | 2013-08-05 | 2015-02-05 | Osram Opto Semiconductors Gmbh | Beleuchtungsanordnung |
TWI499858B (zh) * | 2013-12-24 | 2015-09-11 | Delta Electronics Inc | 光源系統及具有光源系統的投影裝置 |
CN104730826B (zh) * | 2013-12-24 | 2017-08-04 | 台达电子工业股份有限公司 | 光源系统及具有光源系统的投影装置 |
DE102019126999A1 (de) * | 2019-10-08 | 2021-04-08 | Bayerische Motoren Werke Aktiengesellschaft | Beleuchtungsvorrichtung für ein Kraftfahrzeug |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004341105A (ja) * | 2003-05-14 | 2004-12-02 | Nec Viewtechnology Ltd | 投写型表示装置 |
JP2008052070A (ja) * | 2006-08-25 | 2008-03-06 | Samsung Electronics Co Ltd | カラーホイール、可視光光源、投射型画像表示装置、投射型画像表示方法 |
JP2008286823A (ja) * | 2007-05-15 | 2008-11-27 | Seiko Epson Corp | 光源装置、照明装置及びプロジェクタ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003186110A (ja) | 2001-12-21 | 2003-07-03 | Nec Viewtechnology Ltd | Led照明式dmdプロジェクター及びその光学系 |
US6648475B1 (en) | 2002-05-20 | 2003-11-18 | Eastman Kodak Company | Method and apparatus for increasing color gamut of a display |
US7070300B2 (en) | 2004-06-04 | 2006-07-04 | Philips Lumileds Lighting Company, Llc | Remote wavelength conversion in an illumination device |
US20060098451A1 (en) * | 2004-11-08 | 2006-05-11 | Global Fiberoptics Inc. | Illuminator for video display apparatus |
WO2006133214A2 (en) * | 2005-06-07 | 2006-12-14 | Optical Research Associates | Phosphor wheel illuminator |
US7540616B2 (en) * | 2005-12-23 | 2009-06-02 | 3M Innovative Properties Company | Polarized, multicolor LED-based illumination source |
US7547114B2 (en) | 2007-07-30 | 2009-06-16 | Ylx Corp. | Multicolor illumination device using moving plate with wavelength conversion materials |
CN101430492B (zh) | 2007-11-08 | 2011-05-18 | 北京中视中科光电技术有限公司 | 一种用于投影系统的光源装置及投影显示装置 |
JP4662185B2 (ja) | 2008-05-15 | 2011-03-30 | カシオ計算機株式会社 | 光源装置及びプロジェクタ |
US20110044046A1 (en) * | 2009-04-21 | 2011-02-24 | Abu-Ageel Nayef M | High brightness light source and illumination system using same |
-
2010
- 2010-01-29 WO PCT/JP2010/051238 patent/WO2011092842A1/ja active Application Filing
- 2010-01-29 JP JP2011551639A patent/JP5473021B2/ja active Active
- 2010-01-29 CN CN201080062776.6A patent/CN102741743A/zh active Pending
- 2010-01-29 US US12/734,554 patent/US9022580B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004341105A (ja) * | 2003-05-14 | 2004-12-02 | Nec Viewtechnology Ltd | 投写型表示装置 |
JP2008052070A (ja) * | 2006-08-25 | 2008-03-06 | Samsung Electronics Co Ltd | カラーホイール、可視光光源、投射型画像表示装置、投射型画像表示方法 |
JP2008286823A (ja) * | 2007-05-15 | 2008-11-27 | Seiko Epson Corp | 光源装置、照明装置及びプロジェクタ |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013047542A1 (ja) * | 2011-09-26 | 2013-04-04 | 日立コンシューマエレクトロニクス株式会社 | 光源装置 |
WO2013046483A1 (ja) * | 2011-09-26 | 2013-04-04 | 日立コンシューマエレクトロニクス株式会社 | 光源装置 |
JP2013092752A (ja) * | 2011-10-06 | 2013-05-16 | Panasonic Corp | 光源装置及び画像表示装置 |
US9816683B2 (en) | 2011-10-20 | 2017-11-14 | Appotronics Corporation Limited | Light sources system and projection device using the same |
KR101995543B1 (ko) * | 2011-12-18 | 2019-07-03 | 아포트로닉스 코포레이션 리미티드 | 광원 시스템 및 투영 장치 |
CN102722073A (zh) * | 2011-12-18 | 2012-10-10 | 深圳市光峰光电技术有限公司 | 光源系统及投影装置 |
KR20140109395A (ko) * | 2011-12-18 | 2014-09-15 | 아포트로닉스 코포레이션 리미티드 | 광원 시스템 및 투영 장치 |
JP2015504241A (ja) * | 2011-12-18 | 2015-02-05 | アポトロニクス コーポレイション リミテッドAppotronics Corporation Limited | 光源システムおよびこれを用いた投影デバイス |
WO2013091453A1 (zh) * | 2011-12-18 | 2013-06-27 | 深圳市光峰光电技术有限公司 | 光源系统及投影装置 |
CN103293840A (zh) * | 2012-02-22 | 2013-09-11 | 台达电子工业股份有限公司 | 光源系统及包含该光源系统的投影装置 |
CN103309140A (zh) * | 2012-03-14 | 2013-09-18 | 卡西欧计算机株式会社 | 光源装置及投影机 |
US9200768B2 (en) | 2012-03-14 | 2015-12-01 | Casio Computer Co., Ltd. | Light source unit and projector |
JP2014010181A (ja) * | 2012-06-27 | 2014-01-20 | Ricoh Co Ltd | 光源装置及び投射装置 |
JP5922781B2 (ja) * | 2012-09-10 | 2016-05-24 | 三菱電機株式会社 | 光源装置 |
JP2014062951A (ja) * | 2012-09-20 | 2014-04-10 | Casio Comput Co Ltd | 光源装置及びプロジェクタ |
JP2014089235A (ja) * | 2012-10-29 | 2014-05-15 | Ushio Inc | 光源装置およびプロジェクタ |
WO2015104801A1 (ja) * | 2014-01-08 | 2015-07-16 | Necディスプレイソリューションズ株式会社 | 光源装置および投写型表示装置 |
Also Published As
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CN102741743A (zh) | 2012-10-17 |
JPWO2011092842A1 (ja) | 2013-05-30 |
US9022580B2 (en) | 2015-05-05 |
US20110249242A1 (en) | 2011-10-13 |
JP5473021B2 (ja) | 2014-04-16 |
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