WO2017163793A1 - Projecteur - Google Patents

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Publication number
WO2017163793A1
WO2017163793A1 PCT/JP2017/008082 JP2017008082W WO2017163793A1 WO 2017163793 A1 WO2017163793 A1 WO 2017163793A1 JP 2017008082 W JP2017008082 W JP 2017008082W WO 2017163793 A1 WO2017163793 A1 WO 2017163793A1
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WO
WIPO (PCT)
Prior art keywords
light
mirror
reflected
light source
source unit
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Application number
PCT/JP2017/008082
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English (en)
Japanese (ja)
Inventor
茜 藤田
Original Assignee
パナソニックＩｐマネジメント株式会社
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Publication of WO2017163793A1 publication Critical patent/WO2017163793A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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

Definitions

  • the present disclosure relates to a projector that uses at least one mirror group to narrow at least one of the intervals in the row direction and the column direction of light emitted from a plurality of light sources.
  • Patent Document 1 uses two mirror groups in which strip-shaped mirrors are arranged in a step shape, and sets the interval between the row direction and the column direction of a plurality of parallel lights emitted from a light source group arranged on a plane. Disclose each narrowing.
  • At least one of the intervals between the row direction and the column direction of the plurality of lights emitted from the light source group arranged on the plane is determined. It can be narrowed, thereby providing a small projector.
  • the light source unit having anisotropy in the divergence angle of the emitted light is aligned in the first direction with the direction in which the divergence angle of the emitted light is large, and the first direction and the first direction.
  • a plurality of light source unit groups that are arranged in a matrix in a second direction perpendicular to the first direction and emit a plurality of lights having an interval in the first direction and an interval in the second direction;
  • a first mirror group that includes a plurality of first mirrors arranged in a traveling direction of the plurality of lights and reflects the plurality of lights so that intervals in the first direction are narrowed after reflection;
  • the projector even when the light emitted from the light source has a divergence angle, at least one of the intervals between the row direction and the column direction of the plurality of lights emitted from the light source group arranged on the plane.
  • the interval can be narrowed.
  • FIG. 1 is a perspective view schematically showing a configuration and an optical path of the projector according to the first embodiment.
  • FIG. 2 is a diagram of a plurality of light source units according to the first embodiment.
  • FIG. 3 is an explanatory diagram of the diameter of the light emitted from the light source unit according to the first embodiment.
  • FIG. 4 is a diagram of light reflection at the first mirror group according to the first embodiment.
  • FIG. 5 is an explanatory diagram of the distance from the light source unit to the first mirror according to the first embodiment.
  • FIG. 6 is a diagram of light reflection at the second mirror group according to the first embodiment.
  • FIG. 7 is an explanatory diagram of changes in the light diameter and interval of the projector according to the first embodiment.
  • FIG. 8 is an explanatory diagram of a plurality of light source units according to the second embodiment.
  • FIG. 9 is an explanatory diagram of the diameter of the light emitted from the light source unit according to the second embodiment.
  • FIG. 10 is an explanatory diagram of changes in the light diameter and interval of the projector according to the second embodiment.
  • FIG. 11 is a perspective view schematically showing a configuration and an optical path of a projector according to a modification of the first embodiment.
  • 12 is an explanatory diagram of changes in the light diameter and interval of the projector according to the modification of FIG.
  • the light emitted from the light source unit is a perfect circular parallel light.
  • light (beam) from a laser light source or the like is divergent, and the diameter of the light increases as the light travels. For this reason, the structure of the mirror group of the projector designed with perfect circular parallel light may not be suitable for practical use.
  • the present disclosure focuses on the light divergence in the projectors that reflect the first mirror group and the second mirror group by changing the reflection directions, respectively, and in the direction in which the first mirror group has a large light divergence angle.
  • the second mirror group narrows the interval in the direction in which the light divergence angle is small.
  • this indication narrows the space
  • FIG. 1 is a perspective view schematically showing the configuration of the projector 9 according to the first embodiment and the optical path of the light 13 from the light source unit 1.
  • the projector 9 includes a light source unit group 2, a first mirror group 3, and a second mirror group 4.
  • the projector 9 emits a plurality of lights 13 from the light source unit group 2, the plurality of lights 13 are reflected by the first mirror group 3 by 90 degrees to form a plurality of reflected lights 14, and the plurality of reflected lights 14 are further reflected to the second mirror.
  • a plurality of reflected lights 15 are reflected by the group 4.
  • Each configuration of the projector 9 will be described below. Further, as shown in FIG.
  • the direction axes X, Y, Z of the light 13 and the direction axis X ′ of the reflected light 14 , Y ′, Z ′ and the direction axes X ′′, Y ′′, Z ′′ of the reflected light 15 are defined.
  • the light source unit group 2 includes a plurality of light source units 1 having anisotropy in the divergence angle ⁇ of the emitted light 13.
  • the plurality of light source units 1 are arranged such that the first direction in which the divergence angle of the emitted light 13 is large is in the direction X, and the second direction in which the divergence angle is small is in the direction Y perpendicular to the direction X.
  • the light source unit group 2 includes 16 light source units 1 of 4 rows ⁇ 4 columns in the direction X and the direction Y, and has an interval Cx in the X direction and a direction Cx in the Y direction on one XY plane.
  • the plurality of light source units 1 emit a plurality of lights 13 having a first direction interval Cx and a second direction interval Cy in a direction Z that is a third direction orthogonal to the XY plane.
  • interval of the some light source unit 1 is not restricted to an equal interval, A different space
  • FIG. 2 is an explanatory diagram of a plurality of light source units 1 arranged in the direction X of the projector 9 according to the first embodiment.
  • the light source unit 1 includes a laser light source 11 from which the light having anisotropy in the divergence angle is emitted.
  • the plurality of light source units 1 emit a plurality of lights 13 in the direction Z in parallel. Since the light 13 diverges at a divergence angle ⁇ x, the diameter increases as it travels. Therefore, since all the light 13 is reflected by the first mirror group 3, it is necessary to design the interval Cx of the light source unit 1 and the size of the first mirror 31 based on the diameter Dx of the light 13 when traveling. .
  • the diameter Dx of the light 13 gradually increases with the divergence angle ⁇ x of the light source unit 1.
  • the diameter Dx of the light 13 emitted from the light source unit 1 at the position of the distance Bx is expressed by the equation 1 from the width Ax of the emission surface and the divergence angle ⁇ x. become that way.
  • the diameter Dx of the light 13 needs to satisfy the relationship of the formula 1 and the interval Cx in the direction X of the light source unit 1.
  • Dx Ax + 2Bx ⁇ tan ⁇ x Dx ⁇ Cx
  • the adjacent light 13 does not overlap before the first mirror 31.
  • the size of the first mirror 31 is set to reflect the diameter Dx of the light 13. The size of the first mirror 31 will be described below.
  • the adjacent reflected light 14 may overlap in the first direction. Since the second mirror 41 has a strip shape that is long in the first direction, even if the reflected light 14 overlaps in the first direction, all of the reflected light 14 can be reflected. Rather, the interval between the reflected lights 14 in the first direction can be narrowed more.
  • FIG. 3 is an explanatory diagram of the diameter of the light 13 emitted from the light source unit 1 according to the first embodiment.
  • the light 13 emitted from the light source unit 1 has the diameters Dx and Dy that become larger as the diameters Dx ′ and Dy ′ and the diameters Dx ′′ and Dy ′′ as the distance from the light source unit 13 increases with the divergence angles ⁇ x and ⁇ y.
  • the first mirror group 3 includes a plurality of strip-shaped first mirrors 31 arranged in a step shape in the direction Z in which the plurality of lights 13 emitted from the light source unit group 2 travel.
  • the first mirror group 3 reflects the plurality of lights 13 so that the intervals Cx in the direction X of the plurality of lights 13 are narrowed to the intervals Cx ′ in the reflected direction X ′.
  • the first mirror group 3 does not change the interval Cy in the direction Y of the plurality of lights 13 in the direction Y ′ after reflection.
  • the first mirror group 3 has a plurality of first mirrors 31 that are stepwise and are arranged at equal intervals Cx in the direction X and are strips that are long in the direction Y, so that the light from the plurality of light source units 1 along the direction Y 13 is reflected by one first mirror 31.
  • the arrangement intervals of the plurality of first mirrors 31 are also set to be equal, unevenness is less likely to occur when the light 13 is collected.
  • the light 13 emitted from the light source unit group 2 travels in the direction Z orthogonal to the XY plane, and is reflected light reflected in the direction Z ′ by the first mirror 31 disposed at an angle of 45 degrees with respect to the direction Z. 14
  • the light 13 emitted from the light source unit 1 in the direction Z orthogonal to the XY plane has a diameter Dx in the direction X and a diameter Dy in the direction Y (Dx> Dy).
  • the reflected light 14 has a diameter Dx ′ in the direction X ′ and a diameter Dy ′ in the direction Y ′.
  • the distance Cx between two adjacent light source units 1 is the same as the distance Cx between two adjacent mirrors 31.
  • the light 13 is emitted from the light source unit 1 with an emission surface width Ax and a divergence angle ⁇ x.
  • Equation 3 From the distance L1 along the direction X from the lower end of the right first mirror 31 to the center line of the light 13, and from the distance L2 along the direction X from the upper end of the right first mirror 31 to the center line of the light 13, the first The length L of the mirror 31 is expressed by Equation 3.
  • Equation 4 The distance Lz in the direction Z between the first mirror 31 on the left side and the first mirror 31 on the right side at the position where the center line of the light 13 is reflected by the first mirror 31 is expressed by Equation 4.
  • the second mirror group 4 includes a plurality of strip-shaped first mirrors arranged in a step shape in the direction Z ′ in which the plurality of reflected lights 14 reflected by the first mirror group 3 travel.
  • Two mirrors 41 are provided.
  • the second mirror group 4 reflects the interval Cy in the direction Y ′ of the plurality of reflected light 14 in the direction after reflection.
  • the plurality of reflected lights 14 are reflected so that the intervals become narrower to the intervals Cy ′′ of Y ′′.
  • the second mirror group 4 has an interval Cx ′ in the direction X ′ of the plurality of reflected lights 14 as a direction after reflection. Do not change at X ′′.
  • a plurality of second mirrors 41 are arranged stepwise and at equal intervals Cy in the direction Y ′, and a plurality of reflected lights 14 along the direction X ′ are transmitted by one second mirror 41. reflect.
  • the arrangement intervals of the plurality of second mirrors 41 are also set to be equal, unevenness is less likely to occur when the light 13 is collected.
  • the reflected light 14 reflected by the first mirror group 3 travels in the direction Z ′, and the reflected light 15 reflected in the direction Z ′′ by the second mirror 41 disposed at an angle of 45 degrees with respect to the direction Z ′. It becomes.
  • the reflected light 14 reflected from the first mirror 31 in the direction Z ′ has a diameter Dx ′ in the direction X ′ and a diameter Dy ′ in the direction Y ′ ( Dx ′> Dy ′).
  • the reflected light 14 in FIG. 3D is reflected by the second mirror 41 and becomes reflected light 15 traveling in the direction Z ′′.
  • the reflected light 15 is reflected in the direction X ′′.
  • the positional relationship between the first mirror 31 and the second mirror 41 in the YZ plane is the same as the positional relationship between the light source unit 1 and the first mirror 31, and the position of the light source unit 1 in FIG.
  • the position of the first mirror 31 may be read as the position of the second mirror 41.
  • the same mathematical expressions as the mathematical expressions 3 and 4 are established.
  • the light source unit group 2 emits light 13 that is laser light in a third direction (direction Z).
  • the emitted plurality of lights 13 are reflected 90 degrees by the first mirror group 3 and reflected as reflected light 14 in the direction Z ′.
  • the reflected light 14 is further reflected by 90 degrees by the second mirror group 4 and reflected as the reflected light 15 in the direction Z ′′.
  • the reflected light 15 is condensed by the condensing lens 16 as necessary. Thus, it is used as projection light of the projector 9.
  • FIG. 7A shows a plurality of lights 13 emitted from the light source unit group 2
  • FIG. 7B shows a plurality of reflected lights 14 reflected by the first mirror group 3
  • FIG. c) shows a plurality of reflected lights 15 after being reflected by the second mirror group 4.
  • a plurality of light source units 1 are arranged in a matrix on the XY plane with an interval Cx in the X direction and an interval Cy in the Y direction.
  • Each light source unit 1 has a first direction with a large divergence angle of the emitted light 13 in the direction X and a second direction with a small divergence angle in a direction Y perpendicular to the direction X.
  • the plurality of lights 13 emitted from the light source unit group 2 have the X-direction diameter Dx and the Y-direction diameter Dy, and the X-direction interval Cx and the Y-direction interval Cy. .
  • the interval Cx is narrowed to the interval Cx '.
  • the diameter of the reflected light 14 is increased to Dx ′ and Dy ′. That is, the reflected light 14 from the first mirror group 3 has a diameter Dx ′ in the X direction and a diameter Dy ′ in the Y direction, as shown in FIG. 7B, and an interval Cx ′ in the X direction and an interval in the Y direction. Cy.
  • the interval Cy is narrowed to the interval Cy ′′.
  • the diameter of 14 is as large as Dx ′′ and Dy ′′. That is, the reflected light 15 from the second mirror group 4 has a diameter Dx ′′ in the X direction and a diameter in the Y direction as shown in FIG. Dy ′′, the interval Cx ′ in the X direction and the interval Cy ′′ in the Y direction.
  • the intervals Cx ′, Cy ′′ of the reflected light 15 and the first direction and the second direction can be narrowed with respect to the intervals Cx, Cy of the plurality of light source units 1.
  • the narrowed interval Cy ′′ in the second mirror group 4 can be further reduced.
  • the interval between the plurality of reflected light 14 is reduced after the diameter of the reflected light 14 in the direction in which the divergence angle ⁇ is large. It is necessary to increase the interval and size of 41. That is, the interval between the second mirrors 41 cannot be reduced too much. Therefore, according to the first embodiment, the arrangement interval of the second mirrors 41 can be further narrowed, and the projector 9 can be downsized.
  • the diameter of the light flux of the reflected light 15 can be further reduced by the strip-shaped second mirror 41, so that the condensing lens 16 can be downsized.
  • the light source unit group 2 has the light source units 1 of 4 rows ⁇ 4 columns in the direction X and the direction Y, but is not limited thereto.
  • the light source unit group 2 includes the light source unit 1 of m rows ⁇ n columns (m, n: an integer of 2 or more) in the direction X and the direction Y, and the size of the projector 9 and the luminance of the video light emitted from the projector 9
  • the number m, n of the light source units 1 may be set as appropriate.
  • the angle of the first mirror group 3 and the second mirror group 4 with respect to the third direction is 45 degrees
  • the light 13 and the reflected light 14 are reflected by 90 degrees.
  • the angle of the first mirror group 3 and the second mirror group 4 with respect to the third direction is set to an angle larger than 0 degree and smaller than 90 degrees, and the light 13 and the reflected light 14 are larger than 0 degree and 180 degrees. Reflect at a smaller angle.
  • the angles of the first mirror group 3 and the second mirror group 4 with respect to the third direction may be appropriately set depending on the internal configuration of the projector 9 and the like.
  • the light source unit 1 further includes a lens such as a collimator lens 12 on the optical axis of the laser light source 11. Since the light source unit group 2, the first mirror group 3, and the second mirror group 4 excluding the collimator lens 12 have the same configuration as that of the first embodiment, description thereof is omitted.
  • FIG. 8 is an explanatory diagram of a plurality of light source units 1 arranged in the direction X of the projector 9 according to the second embodiment.
  • the light source unit 1 includes a laser light source 11 and a collimator lens 12.
  • the first direction having a large divergence angle of the emitted light 13 is aligned in the direction X
  • the second direction having a small divergence angle is aligned in the direction Y perpendicular to the direction X.
  • the collimator lens 12 controls the divergence angle of the light emitted from the laser light source 11.
  • the diameter Dy in the direction Y is made larger than the diameter Dx in the direction X of the light 13 immediately after being emitted from the light source unit 1.
  • the divergence angle in the short direction of the light 13 emitted from the laser light source 11 is larger than the divergence angle in the longitudinal direction.
  • the plurality of light source units 1 emit a plurality of lights 13 in the direction Z in parallel.
  • the width Ax and the divergence angle ⁇ x of the exit surface from the light source unit 1 are values from the collimator lens 12 as shown in FIG.
  • FIG. 9 is an explanatory diagram of the diameter of the light 13 emitted from the light source unit 1 according to the second embodiment.
  • the light 13 emitted from the light source unit 1 in the direction Z orthogonal to the XY plane has a diameter Dx in the direction X and a diameter Dy in the direction Y.
  • the collimator lens 12 causes the light 13 to have a diameter Dx in the first direction smaller than a diameter Dy in the second direction (Dx ⁇ Dy).
  • the reflected light 14 has a diameter Dx ′ in the direction X ′ and a diameter Dy ′ in the direction Y ′.
  • the reflected light 14 has a diameter Dx in the first direction smaller than the diameter Dy in the second direction due to the influence of the collimator lens 12 immediately after reflection (Dx ⁇ Dy). However, as the distance from the light source unit 1 increases, the influence of the divergence angle ⁇ x of the reflected light 14 increases, and the diameter Dx in the first direction becomes greater than or equal to the diameter Dy in the second direction (Dx ⁇ Dy).
  • the reflected light 14 in FIG. 9D is reflected by the second mirror 41 and becomes the reflected light 15 traveling in the direction Z ′′.
  • the light 13 in FIG. 9D has the diameter Dy in the direction y having the direction X.
  • the diameter of the second mirror 41 can be reduced because the diameter Dx is smaller than the diameter Dx of the reflected light 15. As shown in FIG. (Dx ′′ ⁇ Dy ′′).
  • FIG. 10A shows a plurality of lights 13 after being emitted from the light source unit group 2
  • FIG. 10B shows a plurality of reflected lights 14 after being reflected by the first mirror group 3
  • FIG. c) shows a plurality of reflected lights 15 after being reflected by the second mirror group 4.
  • the interval Cx ′ in the direction X after being reflected by the first mirror group 3 is set to the embodiment. It can be narrower than 1.
  • the diameter Dy ′ in the Y direction is substantially equal to that in the first embodiment due to the influence of the divergence angle ⁇ x. It can be narrowed to almost the same as in the first embodiment.
  • the intervals Cx ′ and Cy ′′ of the reflected light 15 and the first direction and the second direction can be narrowed with respect to the intervals Cx and Cy of the plurality of light source units 1.
  • the diameter Dx of the light 13 at the time of reflection by the first mirror group 3 the interval Cx ′ in the direction X after reflection can be further reduced.
  • the distances Cx and Cy in the first direction and the second direction can be set. It becomes possible to narrow.
  • the distance Cx ′ in the first direction can be further reduced by reducing the diameter Dx of the light 13 during reflection by the first mirror group 3 with the collimator lens 12. Therefore, according to the second embodiment, the arrangement interval of the first mirrors 31 can be further narrowed, and the projector 9 can be downsized.
  • the light source unit 1 has the diameter Dx in the first direction after being emitted by the collimator lens 12 smaller than the diameter Dy in the second direction, but is not limited thereto.
  • the diameter Dx in the first direction and the diameter Dy in the second direction after emission may be appropriately set by the collimator lens 12 of the light source unit 1 according to the size of the projector 9 and the size of the image light emitted from the projector 9. .
  • the light source unit 1 is not limited to the arrangement of one lens 12 for one laser light source 11, and one lens 12 may be arranged for a plurality of laser light sources 11.
  • Embodiments 1 and 2 have been described as examples of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and can also be applied to an embodiment in which changes, substitutions, additions, omissions, and the like are appropriately performed. Also, it is possible to combine the components described in the first and second embodiments to form a new embodiment.
  • the light source unit 1 is not limited to being reflected by one mirror 31, and one mirror 31 may be arranged for one light source unit 1.
  • each of the first mirror group 3 and the second mirror group 4 if the sizes of the first mirror 31 and the second mirror 41 are made the same, parts can be shared, manufacturing is easy, and cost is reduced.
  • each mirror group 3 and 4 is configured to change the size of the first mirror 31 and the second mirror 41 so as to be reduced to a size corresponding to the size of each reflected light.
  • Overall size can be reduced.
  • the area of the first mirror 31 that is farther from the light source unit 1 may be increased.
  • the area of the second mirror 41 that is farther from the first mirror 31 may be increased.
  • a one-stage reflection configuration can be used instead of the two-stage reflection.
  • the projector 9 in FIG. 11 emits a plurality of lights 13 from the plurality of light source units 1 of the light source unit group 2, and the plurality of lights 13 are reflected by the first mirror group 3 by 90 degrees to obtain a plurality of reflected lights 14.
  • the reflected light 14 is condensed by the condensing lens 16 as necessary and used as projection light of the projector 9.
  • FIG. 12A shows a plurality of lights 13 after being emitted from the light source unit group 2
  • FIG. 12B shows a plurality of reflected lights 14 after being reflected by the first mirror group 3.
  • a plurality of light source units 1 are arranged in a matrix on the XY plane with an interval Cx in the X direction and an interval Cy in the Y direction.
  • Each light source unit 1 has a first direction with a large divergence angle of the emitted light 13 in the direction X and a second direction with a small divergence angle in a direction Y perpendicular to the direction X.
  • FIG. 12A shows a plurality of lights 13 after being emitted from the light source unit group 2
  • FIG. 12B shows a plurality of reflected lights 14 after being reflected by the first mirror group 3.
  • a plurality of light source units 1 are arranged in a matrix on the XY plane with an interval Cx in the X direction and an interval Cy in the Y direction.
  • the plurality of lights 13 emitted from the light source unit group 2 have the X-direction diameter Dx and the Y-direction diameter Dy, and the X-direction interval Cx and the Y-direction interval Cy. .
  • the interval Cx is narrowed to the interval Cx ′.
  • the diameter of the reflected light 14 is increased to Dx ′ and Dy ′. That is, the reflected light 14 from the first mirror group 3 has a diameter Dx ′ in the X direction and a diameter Dy ′ in the Y direction, as shown in FIG.
  • the interval Cx of at least one direction of the plurality of light source units 1 can be narrowed in the first direction to the interval Cx ′ of the reflected light 15.
  • the second mirror group 4 can be omitted when the distance between at least one of the row direction and the column direction of light should be narrowed compared to the case of two-stage reflection.
  • the configuration is simple, and the size can be further reduced.
  • the light 13 and the reflected light 14 which adjoin to the Y direction may overlap. Therefore, it is possible to further narrow the interval Cy in the Y direction of the light source unit group 2 and to change the arrangement direction of the light source unit 1 in the light source unit group 2 by 90 degrees with the first embodiment.
  • the present disclosure even when the light emitted from the light source has a divergence angle, at least one of the intervals between the row direction and the column direction of the plurality of lights emitted from the light source group arranged on the plane is determined.
  • the present invention can be applied to a projector that can be made narrow and downsized. Specifically, the present disclosure can be applied to size reduction of a high-luminance and high-resolution projector.

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Abstract

L'invention concerne un projecteur qui comprend : un groupe d'unités de source de lumière (2) qui a une pluralité d'unités de source de lumière (1), qui émettent une lumière (13) ayant un angle de divergence anisotrope (θ), disposées dans une matrice le long d'une première direction (X) et d'une seconde direction (Y) perpendiculaire à la première direction, un plus grand angle de divergence de la lumière émise étant aligné le long de la première direction, et émet une pluralité de faisceaux lumineux disposés à des intervalles (Cx) le long de la première direction et des intervalles (Cy) le long de la seconde direction ; et un premier groupe de miroirs (3) qui comprend une pluralité de premiers miroirs (31) disposés le long de la direction de déplacement de la pluralité de faisceaux lumineux et réfléchit la pluralité de faisceaux lumineux de telle sorte que les intervalles le long de la première direction deviennent plus petits après réflexion.
PCT/JP2017/008082 2016-03-25 2017-03-01 Projecteur WO2017163793A1 (fr)

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JP2016-061586 2016-03-25
JP2016061586 2016-03-25

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN112091420A (zh) * 2019-06-18 2020-12-18 松下知识产权经营株式会社 光源装置

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JP2016018594A (ja) * 2014-07-04 2016-02-01 三菱電機株式会社 光源装置および電気機器

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Publication number Priority date Publication date Assignee Title
JP2009204871A (ja) * 2008-02-27 2009-09-10 Sanyo Electric Co Ltd 照明装置および投写型映像表示装置
JP2011013317A (ja) * 2009-06-30 2011-01-20 Casio Computer Co Ltd 光源ユニット、光源装置及びプロジェクタ
JP2012118302A (ja) * 2010-12-01 2012-06-21 Seiko Epson Corp 光源装置及びプロジェクター
JP2015501508A (ja) * 2011-10-11 2015-01-15 深▲せん▼市光峰光電技術有限公司Ａｐｐｏｔｒｏｎｉｃｓ Ｃｏｒｐｏｒａｔｉｏｎ Ｌｉｍｉｔｅｄ 光源システムおよびレーザ光源
JP2013130692A (ja) * 2011-12-21 2013-07-04 Sanyo Electric Co Ltd 光源装置及び投写型映像表示装置
JP2016018594A (ja) * 2014-07-04 2016-02-01 三菱電機株式会社 光源装置および電気機器

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CN112091420A (zh) * 2019-06-18 2020-12-18 松下知识产权经营株式会社 光源装置
JP2020204734A (ja) * 2019-06-18 2020-12-24 パナソニックＩｐマネジメント株式会社 光源装置
CN112091420B (zh) * 2019-06-18 2024-06-14 松下知识产权经营株式会社 光源装置

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