WO2019009405A1 - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- WO2019009405A1 WO2019009405A1 PCT/JP2018/025663 JP2018025663W WO2019009405A1 WO 2019009405 A1 WO2019009405 A1 WO 2019009405A1 JP 2018025663 W JP2018025663 W JP 2018025663W WO 2019009405 A1 WO2019009405 A1 WO 2019009405A1
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- WIPO (PCT)
- Prior art keywords
- design
- emission surface
- light source
- dimensional shape
- optical lens
- Prior art date
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Classifications
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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
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
- B60Q1/2665—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on rear-view mirrors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/50—Projected symbol or information, e.g. onto the road or car body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to a lighting device.
- the illuminating device which projects the projection image with a pattern is known using the design film in which arbitrary design was given (refer patent document 1).
- the illumination device of Patent Document 1 transmits light emitted from a light source to a light shielding disc (design film) and a lens, and then reflects the light to a mirror to project a design such as a logo mark.
- a design film is composed of a light shielding portion and a non-light shielding portion, and the difference in the amount of light passing through the design film appears as a pattern.
- Such an illumination device is small in size, but is designed to have a high magnification so as to project a large projected image.
- the present invention has been made to address such problems, and it is an object of the present invention to provide a lighting device capable of displaying a predetermined design (for example, a logo) without using a design film.
- a predetermined design for example, a logo
- the illumination apparatus is an illumination apparatus for displaying a predetermined design, and includes a light emitting element, an optical element forming a secondary light source using light emitted from the light emitting element, and the secondary light source emitting light. And an optical lens having a focal point on the secondary light source, the convex surface corresponding to the design and the design corresponding to the design It is characterized in that at least any three-dimensional shape of the recess is formed.
- the optical element and the exit surface are integrated, and the three-dimensional shape is formed on the exit surface which is a surface of the optical element.
- the three-dimensional shape connects a plane parallel to the emission surface, which is projected or recessed in a direction orthogonal to the emission surface, the parallel plane parallel to the emission surface, and a predetermined angle with respect to the emission surface And an inclined plane. Further, the three-dimensional shape is characterized by having a plane parallel to the emission surface, which is projected or recessed in a direction orthogonal to the emission surface, and a curved surface connecting the parallel plane and the emission surface. I assume.
- the three-dimensional shape is characterized by having a portion within the depth of field range of the optical lens and a portion outside the depth of field range.
- the illumination device does not have a projection surface, and is characterized in that the design is displayed by projecting onto a projection surface outside the device.
- the illumination device includes a light emitting element, an optical element forming a secondary light source using light emitted from the light emitting element, an emission surface from which the secondary light source is emitted, and an incident secondary light source And an optical lens having a focal point on the secondary light source, and a three-dimensional shape corresponding to the design is formed on the exit surface, so that the secondary light source emitted from the exit surface is three-dimensional corresponding to the design It is intentionally refracted or reflected depending on the shape. As a result, the amount of light incident on the optical lens decreases, and the reduced portion appears as a shadow, so that it is displayed as a predetermined design. As a result, a predetermined design can be displayed without using a design film of high precision processing, and defects caused by the design film can be eliminated.
- the optical element and the exit surface are integrated, and the three-dimensional shape is formed on the exit surface which is the surface of the optical element, a separately designed part is not necessary, and the number of parts can be reduced. it can. Furthermore, the light utilization efficiency can be increased by reducing the chances of light rays emitted from the secondary light source coming into contact with the interface.
- the three-dimensional shape is a plane parallel to the emission surface, which protrudes or is recessed in a direction perpendicular to the emission surface, a plane connecting the parallel plane and the emission surface, and inclined at a predetermined angle with respect to the emission surface Have.
- the amount of light incident on the optical lens is maintained.
- the light emitted from the inclined plane is refracted or reflected uniformly, the amount of light incident on the optical lens decreases.
- a portion corresponding to the inclined plane is represented as a shadow of a predetermined thickness in the projected image.
- it is possible to adjust the shade of shading taking into consideration that the amount of refraction or reflection of light changes according to the inclination angle of the inclined plane.
- the three-dimensional shape has a plane parallel to the emission surface, which protrudes or is recessed in a direction perpendicular to the emission surface, and a curved surface connecting the parallel plane and the emission surface.
- the amount of light incident on the optical lens is maintained.
- the portion corresponding to the curved surface is represented as a gradation of shading in the projected image.
- the three-dimensional shape has a portion that falls within the depth of field range of the optical lens and a portion that falls outside the depth of field range.
- the shadow becomes clear in a portion within the depth of field range, and the shadow becomes unclear in the portion outside the depth of field range. This makes it possible to adjust the shade of shades.
- FIG. 1 It is a schematic block diagram of the illuminating device which is an example of this invention. It is an enlarged view of the outgoing radiation side of a condensing lens. It is the figure which showed the projection figure by the condensing lens of FIG. It is a figure which shows the change of the light ray amount by refraction
- the lighting device 1 is a substantially cylindrical lighting device.
- the illumination device 1 includes an LED 3 as a light emitting element, a condenser lens 4 disposed along the optical axis direction of the LED 3 (direction from left to right in the figure), and in a space of a cylindrical housing 2 , And an optical lens 7.
- an opening 2 a is provided on the front surface of the optical lens 7, and light emitted from the opening 2 a is projected on a projection surface.
- the outer shape of the lighting device may be a sphere or a rectangle, but a cylinder is relatively preferable.
- the opening 2 a is set to the best position according to the specification of the optical lens 7.
- the LED 3 is provided on a substrate.
- the LEDs 3 for example, monochromatic LEDs such as blue, red, and green, or RGB LEDs including blue LEDs, red LEDs, and green LEDs can be used.
- a shell type LED can be used in addition to the surface mount type LED. Moreover, it may replace with the said LED and may be LD or a light bulb.
- the condensing lens 4 is an optical element that condenses the light emitted from the LED 3 to form a secondary light source, and is formed of a transparent material such as polycarbonate, acrylic, or glass.
- the condenser lens 4 has a lens portion 5 positioned at a central portion in the optical axis direction, and a flange portion 6 expanding in the circumferential direction of the lens portion 5 on the optical lens 7 side.
- the surface facing the LED 3 constitutes a convex curved surface (hemispherical surface) -like incident surface 5a
- the surface facing the optical lens 7 constitutes a light emitting surface 5b perpendicular to the optical axis direction. ing.
- the optical element (condenser lens 4 in FIG. 1) forming the secondary light source may be any optical element forming the secondary light source using light emitted from the light emitting element, for example, from the light emitting element It may be an optical element that diffuses the emitted light to form a secondary light source.
- the optical lens (projection lens) 7 is a lens for projecting a projected image on a projection surface (screen or the like), and has a focal point on the secondary light source.
- the optical lens 7 is formed of a transparent material such as polycarbonate, acrylic, or glass.
- the optical lens 7 may be composed of a single lens or may be composed of a plurality of lenses.
- the illumination device 1 has, for example, a substantially cylindrical shape with a diameter of 0.1 to 5 cm, and can project a projection image at a magnification of, for example, 50 to 200 times according to the distance to the projection plane.
- the light emitted from the LED 3 is refracted and condensed by the incident surface 5 a of the condenser lens 4.
- the condensed light is emitted from the emission surface 5 b toward the optical lens 7 as a secondary light source.
- the illuminating device 1 can be made into arbitrary shapes according to the shape etc. of the opening part 2a.
- the illuminating device 1 may be equipped with the wavelength conversion element between LED3 and the condensing lens 4 as needed.
- the wavelength conversion element is made of, for example, a transparent material such as silicon containing a YAG light emitter, and wavelength-converts the light of the first spectral distribution emitted from the LED 3 into the light of the second spectral distribution. For example, when a part of blue light of the LED 3 is converted into yellow light by the wavelength conversion element, it is emitted as white light.
- the conventional illuminating device projects a projected image with a pattern using a design film having an arbitrary design.
- the design film is disposed between the condenser lens 4 and the optical lens 7.
- design films are very expensive because they are minute but require high precision in design.
- accurate positioning is required each time, which makes the part difficult to handle as a design film alone.
- a three-dimensional shape corresponding to the design is provided on the exit surface 5b of the condenser lens 4.
- a three-dimensional shape at least one of a convex portion and a concave portion is provided. That is, by intentionally refracting the secondary light source emitted from the emission surface 5 b by the convex portion or the concave portion, the amount of light incident on the optical lens 7 is changed to project a predetermined design. Thereby, a predetermined design can be displayed without using a design film.
- FIG. 2 is an enlarged view of the exit surface 5 b of the condenser lens 4.
- a plurality of flyback-like convex portions and concave portions are formed on the circular emission surface 5b having a diameter ⁇ of 3 to 10 mm.
- the convex portion 11 is formed so as to protrude from the emission surface 5 b to the outer side of the condensing lens 4 (toward the optical lens 7), and is a plane parallel to the emission surface 5 b. It has the inclined surface B which connects the surface 5b.
- the inclined surface B is formed of a plane B1 inclined at a predetermined angle with respect to the emission surface 5b, and a curved surface B2 that smoothly connects the emission surface 5b and the top surface A.
- the height H1 indicates the distance from the exit surface 5b to the highest point of the convex portion 11, that is, the distance from the exit surface 5b to the top surface A, and is, for example, 5 ⁇ m to 500 ⁇ m.
- the height H1 may be the same or different between the plurality of convex portions.
- the concave portion 12 is formed to be recessed from the emission surface 5b to the inner side of the condensing lens 4 (toward the LED 3), and connects the bottom surface C parallel to the emission surface 5b, the bottom surface C and the emission surface 5b Have an inclined surface D.
- the inclined surface D is configured by at least one of a plane D1 inclined at a predetermined angle with respect to the emission surface 5b and a curved surface D2 that smoothly connects the emission surface 5b and the bottom surface C.
- the depth H2 indicates the distance from the exit surface 5b to the lowest point of the recess 12, that is, the distance from the exit surface 5b to the bottom surface C, and is, for example, 5 ⁇ m to 500 ⁇ m.
- the depth H2 may be the same or different between the plurality of recesses.
- FIG. 3 is a photograph projected on a projection plane 1 m ahead using the condenser lens 4 having the three-dimensional shape shown in FIG.
- the diameter of a circle corresponding to the circular emission surface 5b is 400400 to 800 mm.
- a plurality of projected images (fly-back patterns) corresponding to the plurality of fly-back projections and depressions are projected.
- the outline of each projection image is represented as a shade, and the thickness and shade (including gradation) of each shade are different.
- This shading corresponds to the inclined surface of the convex portion or the inclined surface of the concave portion. That is, by appropriately adjusting the inclined surface of the convex portion and the inclined surface of the concave portion, it is possible to reflect the thickness and density of the shadow corresponding to the predetermined design.
- FIG. 4 (a) shows the case where the projection and the recess are not formed on the exit surface 5b
- FIG. 4 (b) shows the case where the projection is formed on the exit surface 5b.
- FIG. 4A the light emitted from point P of the emission surface 5b as a secondary light source is incident on the optical lens 7 without refraction.
- FIG. 4B the light emitted from point P of the emission surface 5b as a secondary light source is refracted by the inclined plane B1.
- a part of the light beam is separated from the optical lens 7 by refraction, so the amount of light beam incident on the optical lens 7 decreases.
- shadows occur on the projection surface.
- the inclination angle formed by the exit surface 5b and the inclined plane B1 is ⁇
- a preferable inclination angle ⁇ is set to 10 to 80 degrees.
- FIG. 5 and FIG. 6 show the change in shade of shade according to the inclination angle ⁇ .
- four planes B1a to B1d having different inclination angles are formed on the emission surface 5b, and the inclination angles of the planes B1a to B1d are taken as ⁇ a to ⁇ d.
- the magnitudes of the inclination angles ⁇ a to ⁇ d are ⁇ a ⁇ b ⁇ c ⁇ d.
- the shading of the shadow on the projection plane becomes deeper as the inclination angle ⁇ becomes larger.
- the brightness of the shade becomes darker as the inclination angle ⁇ becomes larger.
- the shade of shade is constant, and the shade has a predetermined thickness corresponding to the width of each of the planes B1a to B1d. As described above, the shade and thickness of the shade can be adjusted by the inclination angle ⁇ and the width of the inclined plane B1.
- a preferable inclination angle ⁇ is set to 10 to 80 degrees.
- the inclination angle ⁇ increases, the amount of light incident on the optical lens 7 decreases, and the shade of shading becomes darker. That is, the shade and thickness of the shade can be adjusted by the inclination angle ⁇ and the width of the plane D1.
- FIGS. 7 and 8 show changes in shade of shade when the inclined surface B of the convex portion is the curved surface B2.
- two curved surfaces B2a and B2b are formed on the exit surface 5b.
- the light emitted from the emission surface 5b is refracted by the curved surfaces B2a and B2b.
- the amount of light incident on the optical lens 7 gradually decreases.
- the inclination angle becomes larger as it gets closer to the exit surface 5b, and the amount of refraction of light increases.
- shades of shade change continuously and gradation occurs in shades. Further, in FIG.
- the curved surfaces B2a and B2b have the same curvature, and the heights H1 are different.
- the curved surface B2a having the larger height H1 has a steeper gradient with respect to the light emitting surface 5b, as shown in FIG. 8, the darker part of the shade becomes larger than the curved surface B2b.
- the gradation can be adjusted by changing the curvature of the curved surface.
- the shade can be made to have gradation by variably changing the light amount on the curved face B2.
- 7 and 8 show refraction of light on the curved surface B2 of the convex portion, the same can be said for the curved surface D2 of the concave portion.
- the height H1 of the convex portion 11 and the depth H2 of the concave portion 12 in FIG. 2 are set, for example, according to the distance between the condenser lens 4 and the optical lens 7.
- the height H1 and the depth H2 are preferably set according to the depth of field of the optical lens 7.
- the depth of field is a distance range in which the occurrence of blurring of the projected image can not be determined with the naked eye. That is, when the uneven surface is in the range of the depth of field, the projected image is clear, and when the uneven surface is out of the range of the depth of field, the projected image is unclear.
- the three-dimensional shape includes a portion in the range of the depth of field of the optical lens 7 and a portion out of the range of the depth of field of the optical lens 7. Can change the density of
- FIG. 9 shows the relationship between the depth of field and the height H 1 of the convex portion 11.
- FIG. 9A shows the case where all the convex portions 11 are within the depth of field. In this case, since the convex portion 11 is within the range Q of the depth of field, the shadow corresponding to the plane B1 is clearly projected.
- FIG. 9B shows the case where the convex portion 11 has a portion within the range Q of the depth of field and a portion outside the range Q. In this case, the shadow corresponding to the plane B1 is clearly displayed in the range Q of the depth of field and is blurred out of the range Q of the depth of field. As a result, it is possible to incorporate both a sharp part in focus and a blurry out of focus as a design effect.
- all the convex portions 11 may be out of the range Q of the depth of field. As described above, by adjusting the height H1 of the convex portion 11 with respect to the depth of field of the optical lens 7, the shade of shading can be adjusted.
- the depth H2 of the recess 12 can also be set with respect to the depth of field of the optical lens 7.
- the condenser lens 4 having a three-dimensional shape according to the present invention can be formed indirectly by using a die machined by precise cutting or electric casting, or by direct molding such as precise cutting, potting or etching. Can be obtained by The mold used for the former molding (indirect molding) adjusts the parameters (height H1, depth H2, inclination angle ⁇ , inclination angle ⁇ , etc.) of the convex portion and the concave portion according to the predetermined design. Designed.
- the three-dimensional shape formed on the condenser lens 4 may be only a convex portion or only a concave portion. Further, as shown in FIG. 2, the convex and concave portions may be combined.
- the molding method is an indirect molding method (for example, injection molding) using a mold, and a direct molding method (for example, cutting of a condenser lens).
- a direct molding method for example, cutting of a condenser lens.
- the edge portion is a portion of a three-dimensional shape corresponding to a shaded portion (for example, S1 or S2 in FIG. 3) where the contrast is highest in the shadow, and corresponds to E1 or E2 in FIG.
- the position of the edge is the position in the shadow of the shadow corresponding to the edge.
- S1 of FIG. 3 is located outside the shadow
- S2 of FIG. 3 is located inside the shadow. That is, it corresponds to expressing the shade as being thinner (outside contrast) from the outside to the inside and expressing the shade as being thinner (outside the contrast) from the inside to the outside.
- the three-dimensional shape of the emitting surface 5 b is formed by an indirect forming method using a mold.
- the three-dimensional shape according to the edge portion E1 is a convex portion.
- the three-dimensional shape according to the edge portion E2 is a recess.
- the convex portion or the concave portion can adjust the direction of the contrast of the shadow.
- a three-dimensional shape is provided on the surface of the condensing lens 4 made of a transparent member, and light is intentionally refracted by the three-dimensional shape to show shadows.
- the surface of the condenser lens 4 may be a reflective surface, and a three-dimensional shape may be provided on the surface.
- the light emitted from the reflection surface as a secondary light source is intentionally reflected by the three-dimensional shape, so that the amount of light incident on the optical lens 7 is reduced.
- the optical lens 7 may be configured of a reflective surface. Further, in the embodiment shown in FIG.
- the present invention is not limited thereto.
- a component of the surface to be a secondary light source may be provided separately from the condenser lens 4 and a three-dimensional shape may be provided on the surface of the component.
- the illumination device of the present invention does not have a projection plane, but is an illumination device that projects on a projection plane outside the illumination device and displays a predetermined design. Therefore, it differs from a so-called display which has a projection plane by itself and displays a design through the projection plane.
- the illumination device of the present invention can be used as a logo lamp that projects a logo on the projection surface. Since the lighting device of the present invention can be compactly designed, it can be incorporated into a side mirror of a vehicle when used as a logo lamp. In this case, it is possible to illuminate the ground at the foot and to project the logo.
- the illumination device does not display the design in a two-dimensional light shielding / non-light shielding state formed on the design film of another part, but three-dimensional shape (second light source)
- three-dimensional shape second light source
- light shielding / non-light shielding can be performed to create a shade necessary for forming a design.
- high precision printing is required, the manufacturing method is also limited, and a design film having a high product price is not necessary.
- three-dimensional shapes are advantageous in cost because they can be continuously formed by performing nano-processing or the like on one mold piece. Also, since the positioning of the design is fixed at the time of manufacturing the mold, it can always be kept constant. Therefore, it is possible to eliminate the inconvenience such as positioning each time.
- the lighting device of the present invention can be widely used as a lighting device because a predetermined design can be displayed without using a design film.
- Lighting device 2 Housing 3 LED (light emitting element) 4 Condenser Lens (Optical Element) 5 lens portion 6 flange portion 7 optical lens 11 convex portion 12 concave portion
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
2 ハウジング
3 LED(発光素子)
4 集光レンズ(光学素子)
5 レンズ部
6 フランジ部
7 光学レンズ
11 凸部
12 凹部
Claims (6)
- 所定のデザインを表示する照明装置であって、
発光素子と、前記発光素子から出射された光を用いて二次光源を形成する光学素子と、前記二次光源が出射される出射面と、出射された前記二次光源が入射され、該二次光源上に焦点を有する光学レンズとを備え、
前記出射面に、前記デザインに対応した凸部および前記デザインに対応した凹部の少なくともいずれかの三次元形状が形成されていることを特徴とする照明装置。 - 前記光学素子と前記出射面とが一体化され、前記光学素子の表面である前記出射面に前記三次元形状が形成されていることを特徴とする請求項1記載の照明装置。
- 前記三次元形状は、前記出射面に直交する方向に突出した又は凹んだ、前記出射面に平行な平面と、該平行な平面と前記出射面とを連結し、前記出射面に対して所定角度傾斜した平面とを有することを特徴とする請求項1記載の照明装置。
- 前記三次元形状は、前記出射面に直交する方向に突出した又は凹んだ、前記出射面に平行な平面と、該平行な平面と前記出射面とを連結する曲面とを有することを特徴とする請求項1記載の照明装置。
- 前記三次元形状は、前記光学レンズの被写界深度の範囲内となる部分と、該被写界深度の範囲外となる部分を有することを特徴とする請求項1記載の照明装置。
- 前記照明装置は、投影面を有しておらず、該装置外の投影面に投射して、前記デザインを表示することを特徴とする請求項1記載の照明装置。
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CN201880002298.6A CN109477618A (zh) | 2017-07-07 | 2018-07-06 | 照明装置 |
EP18803518.2A EP3453941A4 (en) | 2017-07-07 | 2018-07-06 | ILLUMINATION DEVICE |
JP2019527981A JP7161216B2 (ja) | 2017-07-07 | 2018-07-06 | 照明装置 |
US16/305,844 US20210222854A1 (en) | 2017-07-07 | 2018-07-06 | Illumination device |
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PCT/JP2018/025663 WO2019009405A1 (ja) | 2017-07-07 | 2018-07-06 | 照明装置 |
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US (1) | US20210222854A1 (ja) |
EP (1) | EP3453941A4 (ja) |
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US11150516B2 (en) | 2016-04-05 | 2021-10-19 | Saturn Licensing Llc | Display and electronic apparatus |
TWI734427B (zh) * | 2020-03-26 | 2021-07-21 | 眾用車材製造股份有限公司 | 投影燈之底片製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006500599A (ja) | 2001-09-26 | 2006-01-05 | グレン・エイ・グルッツェ | 車両用の遮光板型投射器 |
US20080130309A1 (en) * | 2005-04-20 | 2008-06-05 | Dragonfish Technologies, Inc. | Method and apparatus for creating optical images |
JP2008541170A (ja) * | 2005-05-13 | 2008-11-20 | スリーエム イノベイティブ プロパティズ カンパニー | 基板の製造方法 |
JP2014048606A (ja) * | 2012-09-04 | 2014-03-17 | Sato Holdings Corp | 成形シートおよび成形シートの作製方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5042911A (en) * | 1989-03-08 | 1991-08-27 | Gte Products Corporation | Method of making lighting lens |
DE102004011104A1 (de) * | 2004-03-07 | 2005-09-29 | Docter Optics Gmbh | Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer |
US7147345B1 (en) * | 2004-07-12 | 2006-12-12 | Toney Jr Samuel | Themes for flashlight inserts |
DE102004055369B4 (de) * | 2004-11-08 | 2007-10-18 | Witte & Sutor Gmbh | Steckerleuchte, insbesondere als Fahrzeuginnenleuchte |
DE102009021354A1 (de) * | 2009-05-14 | 2009-12-31 | Daimler Ag | Beleuchtungseinheit für ein Fahrzeug |
DE102009024894A1 (de) * | 2009-06-15 | 2010-12-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Projektionsdisplay und dessen Verwendung |
CN201757334U (zh) * | 2010-07-20 | 2011-03-09 | 立碁电子工业股份有限公司 | 迎宾灯 |
CN105992909A (zh) * | 2013-11-25 | 2016-10-05 | 飞利浦照明控股有限公司 | 具有弹性包围部的照明设备 |
US11235699B2 (en) * | 2014-02-07 | 2022-02-01 | Magna Mirrors Of America, Inc. | Illumination module for vehicle |
DE102015216985A1 (de) * | 2015-09-04 | 2017-03-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Projektionsvorrichtung und Verfahren zur Projektion mit optischen Freiformflächen |
-
2018
- 2018-07-06 CN CN201880002298.6A patent/CN109477618A/zh active Pending
- 2018-07-06 JP JP2019527981A patent/JP7161216B2/ja active Active
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- 2018-07-06 EP EP18803518.2A patent/EP3453941A4/en not_active Withdrawn
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006500599A (ja) | 2001-09-26 | 2006-01-05 | グレン・エイ・グルッツェ | 車両用の遮光板型投射器 |
US20080130309A1 (en) * | 2005-04-20 | 2008-06-05 | Dragonfish Technologies, Inc. | Method and apparatus for creating optical images |
JP2008541170A (ja) * | 2005-05-13 | 2008-11-20 | スリーエム イノベイティブ プロパティズ カンパニー | 基板の製造方法 |
JP2014048606A (ja) * | 2012-09-04 | 2014-03-17 | Sato Holdings Corp | 成形シートおよび成形シートの作製方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3453941A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7390249B2 (ja) | 2020-04-28 | 2023-12-01 | スタンレー電気株式会社 | 車両用灯具 |
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EP3453941A1 (en) | 2019-03-13 |
CN109477618A (zh) | 2019-03-15 |
JP7161216B2 (ja) | 2022-10-26 |
US20210222854A1 (en) | 2021-07-22 |
JPWO2019009405A1 (ja) | 2020-07-16 |
EP3453941A4 (en) | 2020-02-26 |
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