WO2012042563A1 - Dispositif d'affichage d'image à projecteur - Google Patents

Dispositif d'affichage d'image à projecteur Download PDF

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Publication number
WO2012042563A1
WO2012042563A1 PCT/JP2010/005839 JP2010005839W WO2012042563A1 WO 2012042563 A1 WO2012042563 A1 WO 2012042563A1 JP 2010005839 W JP2010005839 W JP 2010005839W WO 2012042563 A1 WO2012042563 A1 WO 2012042563A1
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WO
WIPO (PCT)
Prior art keywords
light
excitation light
projection type
excitation
video display
Prior art date
Application number
PCT/JP2010/005839
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English (en)
Japanese (ja)
Inventor
展之 木村
Original Assignee
日立コンシューマエレクトロニクス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 日立コンシューマエレクトロニクス株式会社 filed Critical 日立コンシューマエレクトロニクス株式会社
Priority to JP2012536024A priority Critical patent/JP5592953B2/ja
Priority to PCT/JP2010/005839 priority patent/WO2012042563A1/fr
Publication of WO2012042563A1 publication Critical patent/WO2012042563A1/fr

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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
    • G03B21/208—Homogenising, shaping of the illumination light
    • 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
    • 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

Definitions

  • the present invention relates to a projection type image display apparatus for projecting an image on a projection surface using an image display element such as a liquid crystal panel, and an illumination optical system using a light emitting diode, a laser, a phosphor or the like not using mercury. It is.
  • a projection type image display apparatus in which a display screen of an image display element having a structure in which a plurality of reflective or transmissive liquid crystal panels and micro mirrors are arranged is enlarged and displayed on a screen or a board as a projection surface
  • the illumination optical system has been devised so as to obtain an enlarged image having sufficient size and brightness.
  • the extra-high pressure mercury lamp generates a large amount of ultraviolet light, which causes great stress on organic substances such as liquid crystal light bulbs and polarizing plates that make up the illumination optical system. Problems may be expected such as a decrease in brightness occurring in a short time due to devitrification due to clouding.
  • Patent Document 2 proposes a light source device comprising a phosphor layer for converting ultraviolet light emitted from a solid light source into visible light, a transparent base, and a solid light source.
  • Patent Document 3 a light source device which emits excitation light emitted from a solid light source with high efficiency even if it is visible light. Has been proposed.
  • Patent Document 2 discloses a light source device including a phosphor layer for converting ultraviolet light emitted from a solid light source into visible light, a transparent substrate, and a solid light source. Since this technology uses an excitation light source that uses ultraviolet light with high energy as excitation light, optical components irradiated with ultraviolet light tend to be damaged, making it difficult to ensure long-term performance of the optical components.
  • excitation light is fluorescent substance by irradiating the fluorescent substance with visible light whose energy is lower than ultraviolet light as excitation light and attaching the fluorescent substance to a circular base whose rotation can be controlled. It has been proposed to improve the life of the phosphor by preventing it from being irradiated to one of the
  • FIG. 4 (a) is a configuration view of the main part of a light source device in the prior art
  • FIG. 4 (b) is an enlarged view of a disk portion of the light source device.
  • the excitation light emitted from the excitation light source group 5 becomes substantially parallel light by the collimator lens group 6 and is incident on the dichroic mirror 7.
  • the dichroic mirror 7 is a characteristic that transmits the wavelength range of the excitation light and reflects the wavelength range of the fluorescent light.
  • the excitation light passes through the dichroic mirror 7, passes through the condenser lens 8, and then enters the rotation-controllable disc 1 coated with the fluorescent material.
  • the condensing lens 8 has a curvature set so that the incident parallel light is focused on the disc 1 and condenses it as an irradiation area 40 at one place of the disc 1.
  • the disk 1 is a rotationally controllable circular base having a rotation axis 2 as a central axis.
  • the phosphor on the disk 1 excited by the excitation light emits fluorescence light.
  • the fluorescent light becomes substantially parallel light, is reflected by the dichroic mirror 7, and is incident on the illumination optical system in the subsequent stage.
  • FIG. 4B shows the irradiation intensity distribution of the excitation light with which the phosphor in the specific region on the disk 1 is irradiated per unit time.
  • an excitation light source a laser light source having a small light emitting area is desirable. Since the light emission distribution of the laser has a Gaussian distribution that maximizes the center, the excitation light irradiation intensity 50 irradiated to the phosphor on the disk 1 also becomes a Gaussian distribution that maximizes the center.
  • the disk 1 is rotated about the rotation axis 2 to enlarge the region where the excitation light passes through the phosphor.
  • the hatched actual irradiation area 3 is an area where the phosphor on the disc 1 passes through the irradiation area 40.
  • the excitation light having an intensity peak is always irradiated on the circumference of one point of the disc, which is not sufficient to improve the life of the phosphor. Therefore, if the excitation light is irradiated to a position far from the rotation center, the actual irradiation area 3 can be enlarged, but the shape of the disk becomes large, which causes a problem that the apparatus becomes larger.
  • FIG. 5A shows an example in which the excitation light irradiation region 40 is irradiated so as to be long in a direction perpendicular to the rotation direction of the disc and to be short in a direction parallel to the rotation direction of the disc. In this case, it is possible to enlarge the actual irradiation area 3 while keeping the irradiation area constant as in the case of FIG. 4B.
  • FIG. 5B is a ray diagram of fluorescent light emitted from a region including the longitudinal direction of the excitation light region 40.
  • the degree of parallelism of the fluorescent light passing through the condenser lens 8 is reduced, and the efficiency of the illumination optical system in the subsequent stage is reduced.
  • the present invention has been made in view of the above problems, and its object is to provide a phosphor without causing a decrease in brightness efficiency and an increase in the size of a device when using a light source that causes the phosphor to emit light by excitation light. It is an object of the present invention to provide a projection type image display apparatus with an improved life span of
  • a solid-state light emitting unit for emitting excitation light according to the present invention, a fluorescence emitting unit for emitting light of different wavelength bands by the excitation light, and a light flux emitted by the fluorescence emitting unit are modulated.
  • the fluorescent light emitting portion is coated with a fluorescent material on the irradiation surface of excitation light and can be rotated.
  • a plurality of predetermined shapes with respect to the rotation center of the disk such that the excitation light irradiation area of the irradiation surface does not overlap the irradiation surface of the excitation light which is rotating, forming a circular disk shape.
  • the excitation light from the solid-state light emitting unit is collected by focusing the excitation light from the solid-state light emitting unit, and the excitation light is irradiated to a plurality of areas on the irradiation surface of the fluorescent light-emitting unit.
  • a condensing means comprising a plurality of first condensing lenses, and an optical path between the condensing means and the fluorescent light emitting part, which transmits excitation light from the fluorescent light emitting part, and the condensing means First dichroic mirror that reflects fluorescent light from the light source, and a first optical integrator that multiplexes a plurality of fluorescent light beams from the light collecting means reflected by the dichroic mirror to equalize the illuminance distribution and emits the light to the image display element And to provide.
  • a plurality of first collimator lenses for converting the excitation light from the solid light emitting unit into substantially parallel light, and a plurality of substantially parallel lights from the first collimator lens
  • a plurality of second condenser lenses for condensing the excitation light, and a plurality of second optical integrators for multiplexing the plurality of excitation lights from the second condenser lens and uniformizing the illuminance distribution for emission.
  • a plurality of second collimator lenses that collimate the light emitted from the second optical integrator and emit the light to the first condenser lens are provided.
  • a projection type image display apparatus in which the life of the phosphor is improved without causing a decrease in brightness efficiency or an increase in size of the device when using a light source for emitting the phosphor by excitation light. can do.
  • the blue excitation light emitted from the plurality of excitation light source groups 5 becomes substantially parallel light by the collimator lens group 6 and is incident on the dichroic mirror 7.
  • the dichroic mirror 7 transmits blue light and reflects green light.
  • the blue excitation light emitted from the excitation light source group 5 passes through the dichroic mirror 7, is condensed by the condenser lens group 4, and is irradiated to the rotationally controllable disc 1 to which the green phosphor is adhered.
  • the configuration of the disk 1 will be described in detail later.
  • green light is excited by blue excitation light, and the excited green light is emitted in the opposite direction to the incident direction of the blue excitation light.
  • the green light emitted from the disk 1 passes through the condenser lens group 4 to become substantially parallel light, is reflected by the dichroic mirror 7, and is irradiated to the condenser lens 9.
  • the dichroic mirror 10 is a mirror that has characteristics to transmit green light and reflect red light and blue light, and irradiates the green light from the condensing lens 9 to the multi-reflecting element 17 and from the condensing lens 16 described later The red light and the blue light are reflected to illuminate the multiple reflection element 17.
  • the condensing lens 9 is set to have a curvature so as to condense light at the entrance opening of the multiple reflection element 17, and the entrance opening surface of the multiple reflection element 17 is an irradiation area of the disk 1 whose details will be described later.
  • a light flux having a shape similar to the shape of 41 is incident.
  • the light source 11 is a red light source such as an LED or a semiconductor laser.
  • the red light emitted from the light source 11 becomes substantially parallel light by the collimator lens 12 and is incident on the dichroic mirror 15.
  • the dichroic mirror 15 transmits red light and reflects blue light. Therefore, the red light from the light source 11 passes through the dichroic mirror 15 and is irradiated to the condenser lens 16.
  • the light source 13 is a blue light source such as an LED or a semiconductor laser, and the blue light emitted from the light source 13 becomes substantially parallel light by the collimator lens 14 and enters the dichroic mirror 15. Then, the blue light from the light source 13 is reflected by the dichroic mirror 15 and irradiated to the condensing lens 16.
  • the condensing lens 16 is set to have a curvature so as to condense light at the entrance opening of the multiple reflection element 17 as in the case of the condenser lens 9.
  • a light flux having a shape similar to the light emission shape is formed.
  • the characteristics of the dichroic mirror 15 may be changed to change the arrangement positions of the light source 11 and the light source 13.
  • the red light and the blue light incident on the condenser lens 16 are reflected by the dichroic mirror 10 and condensed on the multiple reflection element 17, Ru.
  • An integrator optical system is configured by the multiple reflection element 17, and red light, green light and blue light incident on the multiple reflection element 17 are reflected by the multiple reflection element 17 a plurality of times, and the exit aperture of the multiple reflection element 17 On the surface, it becomes light having uniform illuminance distribution.
  • the shape of the exit aperture of the multi-reflecting element 17 is substantially similar to that of the DMD 20 which is an image display element.
  • the red light, the green light and the blue light emitted from the emission aperture surface of the multiple reflection element 17 pass through the condenser lens 18 and are reflected by the reflection mirror 19 and then uniform illuminance distribution on the DMD element 20 which is an image display element. It is irradiated with.
  • the condensing lens 18 is set to have a curvature such that the image formed on the exit aperture of the multiple reflection element 17 is enlarged and imaged on the DMD 20. Images of red light, green light and blue light generated by the DMD element 20 are incident on the projection lens 21 and are enlarged and projected on a screen (not shown).
  • the excitation light source group 5, the light source 11, and the light source 12 described above are solid-state light emitting elements with high response speed, and can be time-division controlled.
  • the excitation light source group 5, the light source 11, and the light source 12 emit light for each frame in synchronization with the DMD element 20, and each color light is modulated by the DMD element 20 for each color light.
  • a projected image is formed surface-sequentially and projected on a screen to obtain a color image.
  • FIG. 1 (a) is a diagram showing the principal part of the optical system of the light source device according to the first embodiment
  • FIG. 1 (b) is an enlarged view of the disc portion 1 of the light source device.
  • the excitation light emitted from the excitation light source group 5 becomes substantially parallel light by the collimator lens group 6 and is incident on the dichroic mirror 7.
  • the dichroic mirror 7 is a characteristic that transmits the wavelength range of the excitation light and reflects the wavelength range of the fluorescent light. Therefore, the excitation light passes through the dichroic mirror 7, passes through the condenser lens group 4, and then enters the rotation-controllable disc 1 coated with the fluorescent substance as an irradiation area 41.
  • the condenser lens group 4 is constituted by eight condenser lenses, and each condenser lens condenses the excitation light emitted from the plurality of excitation light sources and the collimator lens. . In FIG. 1A, two of these focusing lenses are illustrated.
  • the fluorescent light excited by the excitation light and emitted from the disk becomes substantially parallel light after passing through the condenser lens group 4, is reflected by the dichroic mirror 7, and is incident on the illumination optical system in the subsequent stage.
  • the multiple reflection element 17 is provided in the illumination optical system of the latter stage, and the eight fluorescent lights from the condenser lens group 4 are multiplexed to make the illuminance distribution uniform.
  • FIG. 1 (b) shows the irradiation shape, area, position of the irradiation area 41 irradiated by one condensing lens, and excitation light of which the phosphor in a specific area on the disc is irradiated per unit time. It is a figure showing intensity distribution.
  • the aspect ratio is about 1: 1 so that it can be regarded as a substantially point light source.
  • the efficiency reduction in the illumination optical system in the subsequent stage is at a level at which there is no problem.
  • the irradiation area of the irradiation area 41 is about 1/8 of the area of the irradiation area 40 in the case where the irradiation area is irradiated to one place.
  • the irradiation position in the rotational direction of the irradiation area 41 the irradiation is performed at an angle equally divided into eight so that the condensing lens unit 4 does not interfere as much as possible.
  • the fluorescent light emitted from the fluorescent material can be captured by the condensing lens group without loss.
  • the irradiation positions in the radial direction of the irradiation area 41 are respectively different in distance from the rotation axis 2 of the disk 1 and phosphors passing through one excitation light irradiation area do not pass through adjacent excitation light irradiation areas Irradiate as.
  • the irradiation positions are set so that the radial angle (radial position) of the disk 1 and the declination of the rotational direction are different, and the excitation light incident on the condensing lens does not overlap.
  • FIG. 1D shows a case where eight irradiation positions of the condensing lens group 4 are sequentially installed from the outermost periphery of the disk 1 in the opposite rotational direction toward the inner periphery. At the inner peripheral side, the irradiation position is close, and hence the condensing lens diameter is constrained.
  • positioning of FIG.1 (d) in FIG.1 (b) is shown.
  • the irradiation intensity distribution 51 at the time of dispersing and condensing at 8 places has a lower peak intensity and the life of the phosphor is improved.
  • Ru The irradiation intensity distribution 51 has the highest intensity in the irradiation area close to the rotation axis 2 because the ratio of the irradiation size to the circumferential size of one turn is high because the rotation radius is small.
  • the overall excitation light intensity can be increased without a decrease in the life of the phosphor. .
  • the diameter of the condenser lenses arranged at the outer peripheral part Can be increased to increase the amount of excitation light.
  • the illumination position is set so that the radius of curvature (radial position) of the disk 1 and the declination of the rotational direction are different so that the condensing lenses of the same diameter do not overlap. It can also be determined appropriately to maximize the diameter.
  • FIG. 1C is a view showing the intensity distribution of two adjacent irradiation areas.
  • the dotted line represents the intensity distribution of each irradiation area, and the solid line represents the sum of the two irradiation areas.
  • the sum of the irradiation intensities of the two areas is It is obvious that it may be made to be equal to or less than the peak intensity of one irradiation area.
  • FIG. 2 (a) is a diagram showing the main part of the optical system of the light source device according to the second embodiment
  • FIG. 2 (b) is the excitation light intensity distribution at the entrance / exit opening of the multiple reflection element
  • 2 (c) is an enlarged view of a disc portion of the light source device according to the second invention.
  • the excitation light emitted from the excitation light source group 5 becomes substantially parallel light by the collimator lens group 6, is condensed by the condenser lens group 30, and is incident on the multiple reflection element group 31.
  • the multi-reflecting element is an element that obtains light having a uniform intensity distribution at the exit side opening by reflecting light multiple times on its inner surface.
  • a glass rod called a rod lens or a hollow cylinder called a light pipe, which has a reflective surface inside, is used.
  • the excitation light reflected a plurality of times inside the multiple reflection element group 31 is incident on the dichroic mirror 7 after passing through the collimator lens group 32.
  • the dichroic mirror 7 is a characteristic that transmits the wavelength range of the excitation light and reflects the wavelength range of the fluorescent light. Therefore, the excitation light passes through the dichroic mirror 7 and, after passing through the condenser lens group 4, is divided into eight regions, and enters as a radiation controllable region 1 to which a phosphor is attached as a radiation controllable region 1. In FIG. 2A, only two regions are extracted and shown.
  • the irradiation area 42 is also It has a uniform intensity distribution.
  • the fluorescent light on the disk excited by the excitation light becomes substantially parallel light after passing through the condenser lens group 4, is reflected by the dichroic mirror 7, and is incident on the illumination optical system in the subsequent stage.
  • the dotted line indicates the excitation light intensity distribution at the entrance side opening of the multiple reflection element
  • the solid line indicates the excitation light intensity distribution at the exit side opening of the multiple reflection element.
  • FIG. 2C is a diagram showing the irradiation shape, area, and position of the irradiation area 42, and the intensity distribution of excitation light emitted per unit time by the fluorescent substance in a specific area on the disc.
  • the irradiation shape, the irradiation area, and the irradiation position are the same as the contents described above in the first embodiment.
  • Each of the irradiation intensity distributions 52 of the fluorescent light has a uniform intensity distribution, so the peak intensity is further reduced as compared with the irradiation intensity distribution 51 according to the first embodiment. As a result, the lifetime of the phosphor can be further improved.
  • the irradiation intensity distribution 52 has the highest intensity in the irradiation area close to the rotation axis 2 because the ratio of the irradiation size to the circumferential size of one turn is high because the rotation radius is small.
  • the intensities of a plurality of excitation lights to be irradiated to the disk 1 are changed.
  • the intensity is peaked in the irradiation area closest to the rotation axis 2. Therefore, by making the irradiation intensity distribution of the disk 1 uniform, further improvement of the phosphor life can be expected.
  • Equation 2 That is, if the incident intensity of the excitation light is in proportion to the radius gyration r, the distribution of radiation intensity irradiated to the phosphor becomes constant regardless of the radius gyration r.
  • FIG. 3 (a) is a main part configuration diagram of an optical system of a light source device according to a third embodiment for realizing the above
  • FIG. 3 (b) is a disk portion of the light source device according to the third invention. It is an enlarged view.
  • the excitation light emitted from the excitation light source group 5 becomes substantially parallel light by the collimator lens group 6, is condensed by the condenser lens group 30, and is incident on the multiple reflection element group 31.
  • the number of lasers of the excitation light source group 5 is large at a position away from the rotation axis 2 of the disk 1 and small at a position near the rotation axis 2 of the disk 1.
  • the incident illumination intensity of the excitation light entering the disc 1 is large at a position away from the rotation axis 2 and is small at a position near the rotation axis 2.
  • FIG. 3B is a view showing the irradiation shape, area, and position of the irradiation area 43, and the intensity distribution of excitation light with which the fluorescent substance in a specific area on the disc is irradiated per unit time.
  • the irradiation shape, the irradiation area, and the irradiation position are the same as the contents described above with reference to FIG.
  • the irradiation intensity distribution 53 of the irradiation area 43 is uniform, and the peak intensity is further reduced as compared with the irradiation intensity distribution 52 according to the second embodiment. As a result, the lifetime of the phosphor can be further improved.
  • the excitation power of the excitation light source group is high at a position away from the rotation axis 2 of the disk 1, and excitation is performed at a position near the rotation axis 2 of the disk 1. It is also conceivable to reduce the input power of the light source group.
  • an image display apparatus when using a light source that causes the phosphor to emit light by excitation light, a projection type in which the life of the phosphor is improved without causing a decrease in brightness efficiency or an increase in the size of the device.
  • An image display apparatus can be provided.
  • the projection type video display apparatus using a DMD element as the video display element has been described, it is needless to say that the invention can be applied to a projection type video display apparatus using a liquid crystal type video display element.
  • SYMBOLS 1 rotation-controllable disk, 2 ... rotation axis, 3 ... fluorescent substance which passes an excitation light irradiation area
  • region 4 excitation light condensing lens group, 5 ... excitation light source group, 6 ... excitation light collimator lens group, 7 ...
  • Dichroic mirror, 8 excitation light focusing lens
  • 9 focusing lens
  • 10 dichroic mirror
  • 11 light source
  • 12 collimating lens
  • 13 light source
  • 14 collimating lens
  • 15 dichroic mirror
  • 16 focusing lens
  • 17 multiple reflection element
  • 18 condensing lens
  • 19 reflection mirror
  • 20 DMD element
  • 21 projection lens
  • 30 condensing lens group
  • 31 multiple reflection element group
  • 32 collimating lens group
  • 40, 41, 42, 43 excitation light irradiation area, 50, 51, 52, 53 ... irradiation intensity distribution

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

La présente invention concerne un dispositif d'affichage d'image à projecteur dont on a amélioré la substance fluorescente sans faire baisser le rendement lumineux ni augmenter les dimensions de l'appareil d'un type utilisant une source de lumière permettant à la substance fluorescente d'émettre de la lumière sous l'action d'une lumière d'excitation. Ce dispositif d'affichage d'image à projecteur comprend un dispositif source de lumière, un élément d'affichage d'image, un système à rayonnement optique comportant une pluralité d'éléments optiques qui font rayonner, en direction de l'élément d'affichage d'image, la lumière partant du dispositif source de lumière, et un objectif de projecteur qui agrandit et projette une image optique formée par l'élément d'affichage d'image. Le dispositif source de lumière comporte une unité d'émission de lumière à semi-conducteurs qui émet la lumière résultant de l'excitation, un substrat en forme de disque commandé en rotation, revêtu au moins en partie d'une substance fluorescente, et un organe focalisant la lumière, servant à focaliser, sur une pluralité de régions du substrat en forme de disque, la lumière excitée provenant de l'unité d'émission de lumière à semi-conducteurs. Ce dispositif source de lumière est configuré de façon que la substance fluorescente, qui traverse une région de rayonnement de lumière résultant de l'excitation, ne traverse pas les régions voisines faisant rayonner de lumière résultant de l'excitation.
PCT/JP2010/005839 2010-09-29 2010-09-29 Dispositif d'affichage d'image à projecteur WO2012042563A1 (fr)

Priority Applications (2)

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JP2012536024A JP5592953B2 (ja) 2010-09-29 2010-09-29 投射型映像表示装置
PCT/JP2010/005839 WO2012042563A1 (fr) 2010-09-29 2010-09-29 Dispositif d'affichage d'image à projecteur

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Cited By (12)

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JP2012234162A (ja) * 2011-04-20 2012-11-29 Panasonic Corp 光源装置及び投写型表示装置
JP2013092752A (ja) * 2011-10-06 2013-05-16 Panasonic Corp 光源装置及び画像表示装置
WO2014174559A1 (fr) * 2013-04-22 2014-10-30 日立マクセル株式会社 Appareil de source de lumière et appareil d'affichage d'image
JP2015045843A (ja) * 2013-07-31 2015-03-12 日亜化学工業株式会社 光源装置及び光学エンジン
CN104698729A (zh) * 2013-12-03 2015-06-10 欧司朗有限公司 投影装置,dlp投影仪的光模块和用于制造二向色镜的方法
JP2015135436A (ja) * 2014-01-17 2015-07-27 セイコーエプソン株式会社 光源装置およびプロジェクター
CN104820334A (zh) * 2014-02-05 2015-08-05 欧司朗有限公司 具有波长转换装置的照明装置
JP2016510160A (ja) * 2013-03-06 2016-04-04 アポトロニクス チャイナ コーポレイション 発光装置及び関連する投影システム
JP5922781B2 (ja) * 2012-09-10 2016-05-24 三菱電機株式会社 光源装置
WO2016148210A1 (fr) * 2015-03-18 2016-09-22 コニカミノルタ株式会社 Dispositif de source de lumière et dispositif de projection
JPWO2015129656A1 (ja) * 2014-02-27 2017-03-30 三菱電機株式会社 光源装置
CN108641933A (zh) * 2018-05-03 2018-10-12 莫纳（苏州）生物科技有限公司 一种基于dlp技术的荧光定量pcr检测装置

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JP5922781B2 (ja) * 2012-09-10 2016-05-24 三菱電機株式会社 光源装置
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CN104698729A (zh) * 2013-12-03 2015-06-10 欧司朗有限公司 投影装置,dlp投影仪的光模块和用于制造二向色镜的方法
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