CN108980778A - Lens and luminaire - Google Patents
Lens and luminaire Download PDFInfo
- Publication number
- CN108980778A CN108980778A CN201810436318.2A CN201810436318A CN108980778A CN 108980778 A CN108980778 A CN 108980778A CN 201810436318 A CN201810436318 A CN 201810436318A CN 108980778 A CN108980778 A CN 108980778A
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- Prior art keywords
- lens
- light
- mentioned
- light incident
- incident surface
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Classifications
-
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
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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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lenses (AREA)
Abstract
Purpose is to provide the lens and luminaire of a kind of loss that is irregular and being able to suppress light being able to suppress on shadow surface.There are lens (100) lens for being formed in light emitting side construction and the multiple protrusions (121) being formed on the light incident surface (132) of light incident side and multiple recess portions (122), multiple protrusions (121) to be formed in the defined position of light incident surface (101).
Description
Technical field
The present invention relates to lens and has the luminaires of the lens.
Background technique
In the luminaires such as lower illuminator or spotlight, light is used sometimes for the light distribution for controlling light shot from the light source
Learn part.As such optical element, such as it has been known that there is the lens of Fresnel lens etc..
In the past, as this lens, Patent Document 1 discloses it is a kind of be formed in light emitting side with concentric circles
The phenanthrene of many protrusions of cyclic annular multiple lens sections outstanding and the tortoiseshell pattern being formed on the face (light incident surface) of light incident side
Alunite ear lens.In Fresnel lens disclosed in patent document 1, by the protrusion for the plane of incidence that will have radius of curvature big
(tortoise plastron) configures the outer region in light incident surface, it is suppressed that irregular on the shadow surface of the light projected from Fresnel lens.
Patent document 1: Japanese Unexamined Patent Publication 2009-205872 bulletin
Summary of the invention
But in the previous lens that light emitting side is formed with lens section, there is the problem of loss that light occurs.
The present invention makes in order to solve the problems, it is therefore an objective to provide a kind of be able to suppress on shadow surface not
The lens and luminaire of loss that is even and inhibiting light.
In order to achieve the above object, a technical solution of lens for the present invention includes lens construction, is formed in light emission
Side out；And multiple protrusions and multiple recess portions, it is formed in the light incident surface of light incident side；Above-mentioned multiple protrusions are formed in above-mentioned light
The defined position of the plane of incidence.
In addition, a technical solution of luminaire for the present invention has: said lens；And light source, and it is above-mentioned
The above-mentioned light incident surface of mirror is opposed to configure.
Invention effect
It is able to suppress loss that is irregular on shadow surface, and inhibiting light.
Detailed description of the invention
Fig. 1 is the outside drawing of the luminaire in relation to embodiment.
Fig. 2 is the cross-sectional view of the luminaire in relation to embodiment.
Fig. 3 be by the lens in relation to embodiment from light emitting side when perspective view.
Fig. 4 be by the lens in relation to embodiment from light incident side when perspective view.
Fig. 5 is the cross-sectional view of the lens in relation to embodiment.
Fig. 6 be by the lens in relation to embodiment from light incident side when plan view.
Fig. 7 is the figure for illustrating the angle of emergence corresponding with incidence angle of the lens in relation to embodiment.
Fig. 8 is the schematic diagram for the optical effect for illustrating the lens of comparative example 1.
Fig. 9 is the schematic diagram for illustrating the optical effect of the lens in relation to embodiment.
Figure 10 is the light analysis diagram about the light in the lens for being incident on comparative example 2.
Figure 11 is the light analysis diagram about the light being incident in the lens in relation to embodiment.
Figure 12 is for illustrating the orthogonal angle θ about the protrusion formed on the light incident surface of the lens in relation to embodiment
1 with the figure of the relationship of incidence angle θ 2.
Figure 13 is for illustrating the orthogonal angle θ about the recess portion formed on the light incident surface of the lens in relation to embodiment
3 with the figure of the relationship of incidence angle θ 4.
Figure 14 is the enlarged partial cross section of the lens in relation to embodiment.
Figure 15 be by the lens in relation to variation from light emitting side when perspective view.
Figure 16 is the cross-sectional view of the lens in relation to variation.
Figure 17 be by the lens in relation to variation from light incident side when plan view.
Figure 18 is the schematic diagram for the optical effect for illustrating the lens of comparative example 3.
Figure 19 is the schematic diagram for illustrating the optical effect of the lens in relation to variation.
Figure 20 is the light analysis diagram about the light in the lens for being incident on comparative example 3.
Figure 21 is the light analysis diagram about the light in the lens for being incident on comparative example 4.
Figure 22 is the light analysis diagram about the light being incident in the lens in relation to variation.
Label declaration
1 luminaire
100,100A lens
101 light incident surfaces
The 1st light incident surface of 101a
110,110A lens section
111 the 1st lens sections
111a lens control plane
112 the 2nd lens sections
112a lens control plane
121 protrusions
122 recess portions
200 light sources
400 cartridges
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In addition, embodiments described below all indicates
A preferred concrete example of the invention.Thus, the numerical value that indicates in the following embodiments, shape, material, constituent element,
The allocation position of constituent element and connection form etc. are an examples, are not to limit the meaning of the invention.Accordingly, with respect to implementation below
It is in the constituent element of mode, there is no the composition recorded to want in the independent claims for indicating upper concept of the invention
Element is set as arbitrary constituent element and is illustrated.
In addition, each figure is schematic diagram, might not strictly be illustrated.Thus, such as in the various figures scale bar etc. is not yet
It is certain consistent.In addition, in the various figures, assign identical label for substantially the same structure, repeat description is omitted or
It simplifies.
(embodiment)
It is illustrated using structure of the Fig. 1 and Fig. 2 to the luminaire 1 in relation to embodiment.Fig. 1 is related embodiment
Luminaire 1 outside drawing.Fig. 2 is the cross-sectional view of the luminaire 1.
Luminaire 1 is, for example, to be set the lower illuminator of illumination light (such as floor or ground, wall etc.) irradiation downwards
Set the ceiling etc. in building.Luminaire 1 is for example embedded in the opening portion for being disposed in ceiling.
As shown in Figures 1 and 2, luminaire 1 have lens 100, light source 200, appliance body 300, cartridge 400,
Framework 500 and installing component 600.
The luminaire 1 of present embodiment is general lower illuminator, is configured to, and the direction of illumination of illumination light can be made to change.
Specifically, configured with light source 200 appliance body 300 in a manner of it can change relative to the posture of shadow surface rotationally
It is supported on framework 500.As a result, by the posture relative to shadow surface of change appliance body 300, luminaire 1 can be made
The direction of illumination of light changes.
Hereinafter, being explained in detail to each component of luminaire 1.In addition, in the present embodiment, by light source 200
Light emitting side be set as front side.
[lens]
Lens 100 (lens part) are the optical components of the translucency controlled the light distribution of incident light.In this reality
It applies in mode, lens 100 are will be to the collector lens of the incident light optically focused of lens 100.In addition, lens 100 are formed at light emission
The lens of side are constructed by the Fresnel lens of Fresnel out.
As shown in Fig. 2, the configuration of lens 100 is in the front of light source 200.Specifically, lens 100 and light source 200 separate rule
Fixed interval and the light emitting side configured in light source 200.Thus, the control of lens 100 is projected from light source 200 and is entered to lens 100
The light distribution for the light penetrated.The light projected from light source 200 for example is become collimating by lens 100.The optical axis J of lens 100 preferably with
The optical axis of light source 200 is roughly the same.
Lens 100 are formed by defined shape, so as to defined lensing.In addition, lens 100 use translucency
Material is formed.Specifically, lens 100 using propylene or polycarbonate etc. transparent resin material or glass material etc. it is transparent
Material is configured to defined shape with mold etc..
Here, it is illustrated using specific shape of Fig. 3~Fig. 6 to lens 100.Fig. 3 is by related embodiment
Perspective view when lens 100 are from light emitting side.Fig. 4 be by the lens 100 from light incident side when perspective view.Fig. 5
It is the cross-sectional view of the lens 100.Fig. 6 be by the lens 100 from light incident side when plan view.In addition, in the amplification of Fig. 6
In figure, each point of recess portion 122 indicates the center of recess portion 122.
As shown in Fig. 3~Fig. 6, lens 100 have the multiple lens sections for constructing and being formed in light emitting side as lens
110, multiple protrusions 121 of the light incident surface 101 of light incident side are formed in and multiple recess portions 122 and are formed in light incident side
Cricoid protruding portion 130.
In the present embodiment, lens 100 be formed with the light incident surfaces 101 of multiple protrusions 121 and multiple recess portions 122 with
The mode that light source 200 faces configures.Thus, the light incident side of lens 100 is 200 side of light source, the light emitting side of lens 100 be with
200 side opposite side of light source.
As depicted in figs. 3 and 5, multiple lens sections 110 constitute the wavestrip of lens 100, are formed as concentric ring-shaped.It is multiple
Mirror portion 110 is formed in a manner of outstanding outward respectively.Multiple controls of lens section 110 are recessed from the cylinder being made of protruding portion 130
The light distribution of the light of the inner surface incidence in portion 131.
Multiple lens sections 110 are made of multiple 2nd lens sections 112 of the 1st lens section 111 and wavestrip shape.
1st lens section 111 is the central lens portion of the central part positioned at lens 100.1st lens section 111 has conduct pair
The lens control plane 111a (Fresnel control plane) in the photocontrol face that the light distribution of light is controlled.Lens control plane 111a is lens
100 light emergence face assigns the lensing of refraction etc. to the light passed through.In the present embodiment, the 1st lens section 111 be to
The direction separate from light source 200 convex lens outstanding.Thus, the 1st lens section 111 is incident in lens 100 to from light source 200
Light assigns focusing light effect.
The shape on the surface (lens control plane 111a) of the 1st lens section 111 is, for example, substantially spherical surface, and but it is not limited to this.
The central axis of 1st lens section 111 is the central axis (optical axis J) of lens 100, preferably roughly the same with the optical axis of light source 200.
Multiple 2nd lens sections 112 are the ring lens portion for surrounding the 1st lens section 111 with concentric annular respectively.Each 2nd
Lens section 112 is the part to form the jagged section in lens 100.Each 2nd lens section 112 is substantially triangle in section view
Shape becomes tapering with separate from light source 200.The central axis of each 2nd lens section 112 is preferably the light with light source 200
Axis is roughly the same.
Multiple 2nd lens sections 112 are respectively provided with the lens control plane in the photocontrol face controlled as the light distribution to light
The lens wall surface that 112a (Fresnel control plane) is connected with by the lens control plane 112a of 2 adjacent the 2nd lens sections 112
112b (Fresnel wall surface).Lens control plane 112a and lens wall surface 112b is the light emergence face of lens 100, is assigned to the light passed through
Give the lensing of refraction etc..In the present embodiment, lens control plane 112a is configured to, and is incident on lens to from light source 200
Light in 100 assigns focusing light effect.
Cricoid protruding portion 130 is formed in the peripheral part of the light incident side (200 side of light source) of lens 100.Specifically, such as
Shown in Fig. 2, protruding portion 130 is prominent towards 200 side of light source in a manner of surrounding light source 200.In the present embodiment, protruding portion
130 as shown in figure 5, be general triangular in section view, becomes tapering with towards 200 side of light source.
In addition, being formed in lens 100 recessed as the cylinder of columned recess portion by forming protruding portion 130 in lens 100
Portion 131.Cylinder recess portion 131 is formed as, and is recessed to from the direction that light source 200 leaves.
The cylinder recess portion 131 being made of protruding portion 130 is formed in the position opposed with light source 200.Specifically, such as Fig. 2
Shown, cylinder recess portion 131 is set as, and the illumination region 220 of light source 200 is covered.The light projected from light source 200 is to cylinder recess portion
131 is incident.Thus, as shown in figure 5, the inner surface of cylinder recess portion 131 is the face of the light incidence from light source 200, it is lens 100
Light incident surface 101.
There is light incident surface 101 the 1st light of the bottom surface as the cylinder recess portion 131 in the inner surface of cylinder recess portion 131 to enter
Penetrate the 2nd light incident surface 101b of face 101a and the side as the cylinder recess portion 131 in the inner surface of cylinder recess portion 131.
1st light incident surface 101a is the key light plane of incidence faced with the illumination region 220 of light source 200, is with the light of light source 200
Axis is the face of normal.Specifically, the 1st light incident surface 101a is generally circular face depending in plane.In lens 100, the 1st
Light incident surface 101a and multiple lens sections 110 back to.
2nd light incident surface 101b is the side of cylinder recess portion 131, and is the inner surface of protruding portion 130.Specifically,
2nd light incident surface 101b is substantially cylindrical surface.In addition, the outer surface of protruding portion 130 is will to be incident on from the 2nd light incident surface 101b
The light reflection surface 102 of light total reflection in protruding portion 130.The front end of protruding portion 130 constitutes the 2nd light incident surface 101b and light is anti-
Penetrate the interconnecting piece in face 102.
Multiple protrusions 121 and multiple recess portions 122 are formed in the 1st light incident surface 101a in light incident surface 101.In this implementation
In mode, multiple protrusions 121 be individually undercut nest (dimple) shape, the respective surface in multiple protrusions 121 be convex spherical (such as
Hemisphere face).In addition, multiple recess portions 122 are individually dimple shapes, the respective surface of multiple recess portions 122 is concave spherical surface (such as hemisphere
Face).
As shown in figure 4, multiple protrusions 121 and multiple recess portions 122 constitute the sag and swell of the 1st light incident surface 101a, with paving
The mode of full 1st light incident surface 101a mixes to be formed.That is, multiple protrusions 121 and multiple recess portions 122 are in the 1st light incident surface 101a
Substantially entire surface on be formed with it is numerous.
In this way, forming multiple protrusions 121 and more by the 1st light incident surface 101a in the bottom surface as cylinder recess portion 131
A recess portion 122 can be such that the light being incident in the 1st light incident surface 101a spreads.Thereby, it is possible to inhibit from the injection of lens 100
It is irregular on the shadow surface of light.
In addition, though it is not illustrated, preferably in the 2nd light incident surface 101b of the side as cylinder recess portion 131
Form the chute (Japanese original text: Gutter) linearly extended from the front end of protruding portion 130 to the 1st light incident surface 101a (bottom surface)
The micro-valleys of shape.The micro-valleys are for example multiple along being formed with for the 2nd light incident surface 101b circumferentially continuously.
In this way, can make to be incident in the 2nd light incident surface 101b by forming micro-valleys in the 2nd light incident surface 101b
Light diffusion, so can further suppress from lens 100 project light shadow surface on it is irregular.
The multiple protrusions 121 being formed on the 1st light incident surface 101a and multiple recess portions 122 as shown in Figures 5 and 6, at
It is distinguished for the mode of defined distribution and is arranged in the defined position of the 1st light incident surface 101a.
Specifically, multiple protrusions 121 are formed in the defined position of the 1st light incident surface 101a, multiple formation of recess portion 122
There is the position other than the region of multiple recess portions 122 in the formation of the 1st light incident surface 101a.
In the present embodiment, as shown in figure 5, multiple protrusions 121 are in the direction (optical axis direction) of the optical axis J of lens 100
On, it is formed in and the position Chong Die as the adjacent lens section borderline region of borderline region of 2 lens sections 110.That is, multiple
The lens section borderline region of protrusion 121 and lens section 110 is in the base portion via lens 100 and opposed positional relationship.
Here, the boundary itself of 2 adjacent lens sections 110 is in 2 adjacent lens sections 110 by the saturating of a side
(Fresnel turns for the part of the lens wall surface 112b connection of the lens section 110 of the lens control plane 112a and another party in mirror portion 110
Point).That is, the boundary of 2 adjacent lens sections 110 is annulus threadiness depending in the plane of the 1st light incident surface 101a.Thus, phase
The lens section borderline region of 2 adjacent lens sections 110 is the boundary and its neighboring area for including 2 adjacent lens sections 110
Region (the recess peripheral portions of 2 adjacent lens sections 110) is circular region.
In this way, by configuring multiple protrusions 121 in borderline region (the Fresnel inflection point with 2 adjacent lens sections 110
Near) overlapping position, be able to suppress the loss of the light in lens 100.
In addition, as shown in figure 5, multiple protrusions 121 are formed in inside region A1 and outside area in the 1st light incident surface 101a
It is located at the lens section borderline region of lateral area A2 among the A2 of domain.As shown in fig. 6, lateral area A2 is to surround inside region A1
Region.In the present embodiment, inside region A1 is circular region, and lateral area A2 is the area of the annular of one fixed width
Domain.
In the present embodiment, multiple protrusions 121 are formed in lateral area A2, without being formed in inside region A1.That is,
In inside region A1, multiple recess portions 122 for being simply formed in multiple protrusions 121 and multiple recess portions 122.
Thereby, it is possible to configure multiple recess portions 122 near the central portion of the 1st light incident surface 101a, so can will come from
The light of light source 200 spreads and efficiently reduces irregular in the middle section of shadow surface.
Here, as shown in fig. 7, being projected if set from lens the control plane 111a and 112a (photocontrol face) of lens section 110
Light relative to the angle of emergence at the center of lens 100 be α, then the boundary of inside region A1 and lateral area A2 be in meet 3 °≤
The position of α≤10 °.That is, the boundary of inside region A1 and lateral area A2 is located relative to the incidence angle θ incident from light source 200
For angle of emergence α away from center be in 3 ° or more 10 ° of ranges below.
In addition, as shown in Figures 5 and 6, in the present embodiment, multiple protrusions 121 in the 1st light incident surface 101a are constituted
For with the protrusion annular arrangement portion of annular arrangement.Specifically, multiple protrusions 121 in the annular arrangement portion of protrusion are along annular shape
Lens section borderline region be arranged as annular shape.Circular protrusion annular arrangement portion is along 2 lens section borderline region shapes
At.That is, circular protrusion annular arrangement portion is formed with 2 with concentric ring-shaped.
2 protrusions annular arrangement portion it is respective in, multiple protrusions 121 be by protrusion 121 by with one column be arranged as ring-type
1 cyclic annular column as fundamental sequence and by the fundamental sequence with concentric circles arrangement it is multiple made of structure.In addition, in this implementation
In mode, 2 protrusions annular arrangement portion it is respective in, multiple protrusions 121 be fundamental sequence is arranged it is multiple made of structure
(being 2 column and 4 column in Fig. 6) is but it is also possible to be each 1 column.
On the other hand, multiple recess portions 122 are to be paved with the area for not forming multiple protrusions 121 among the 1st light incident surface 101a
The mode in domain is formed.In the present embodiment, multiple recess portions 122 in the 1st light incident surface 101a are constituted in inside region A1
For the recess portion circular arrangement portion arranged as round distribution, it is configured to the recess portion ring with annular arrangement in outer side region A2
Shape aligning section.Specifically, multiple recess portions 122 in recess portion annular arrangement portion are arranged as annular shape.
Recess portion circular arrangement portion and recess portion annular arrangement portion it is respective in, multiple recess portions 122 are by recess portion 122 by with one
Column be arranged as cricoid 1 cyclic annular column as fundamental sequence and by the fundamental sequence with concentric circles arrangement it is multiple made of structure.
In this way, the multiple protrusions 121 and multiple recess portions 122 in the 1st light incident surface 101a will be arranged as cricoid 1 with a column
Item ring-type column are arranged as fundamental sequence.Also, it is arranged as cricoid multiple protrusions 121 (fundamental sequence) and is arranged as cricoid more
A recess portion 122 (fundamental sequence) is formed as concentric circles.
In addition, in the present embodiment, being formed with 122 both sides of protrusion 121 and recess portion in outer side region A2, but can also be only
It is formed with protrusion 121.But in outer side region A2, preferably only formed in the position Chong Die with lens section borderline region
There is protrusion 121.
The lens 100 constituted in this way are as shown in Fig. 2, be fixed on appliance body 300.In the present embodiment, lens 100
Appliance body 300 is fixed to via the installing component 600 for the frame-shaped for being fixed on appliance body 300.Specifically, installation
Mode in inner face of the component 600 to be embedded in the mask portion 320 of appliance body 300 is fixed, and lens 100 are limited to
The recess portion 610 of the open end setting of the front side of the installing component 600.As shown in Fig. 3~Fig. 5, go out in the light emission of lens 100
The peripheral part of side is formed with the flange part 140 with the locking of the recess portion 610 of installing component 600.As shown in Fig. 2, passing through lens 100
Flange part 140 be embedded in the recess portion 610 of installing component 600, can by lens 100 be fixed to installing component 600.Separately
Outside, installing component 600 is, for example, resin system but it is also possible to be made of metal.
[light source]
As shown in Fig. 2, light source 200 is opposed with the light incident surface 101 of lens 100 and configures.Specifically, light source 200 with
The light-emitting surface of light source 200 is configured in face of the mode of the 1st light incident surface 101a of lens 100.
Light source 200 is configured at appliance body 300.Specifically, being fixed in the fixed part 310 of appliance body 300.Example
Such as, light source 200 is placed in the mounting surface of fixed part 310, is mounted to fixed part 310 by installing components such as holders.
Light source 200 is the LED light source (LED module) with LED.Light source 200 is the White LED for e.g. discharging white light
Light source.As an example, light source 200 is COB (Chip On Board) construction, with substrate 210 and is arranged over the substrate 210
Illumination region 220.Illumination region 220 has the LED of installation over the substrate 210 and the sealing component by LED sealing.
Substrate 210 is the installation base plate for installing LED, e.g. ceramic substrate, resin substrate or metallic substrates substrate
Deng.In addition, being provided with a pair of electrodes terminal and use for the direct current power from external receiving for keeping LED luminous in substrate
To supply the metal line of direct current power to LED.Electrode terminal is electrically connected by electric wire with power circuit.Power circuit is for example
It is built in the power pack for being configured at the outside of appliance body 300.
LED is an example of light-emitting component, e.g. issues the bare chip of monochromatic visible light.Specifically, LED be if
It is energized, issues the blue LED die of blue light.LED for example on substrate with rectangular configured with multiple, by being formed in
Metal line on substrate and be electrically connected to each other.In addition, as long as LED at least configures 1.
Sealing component is, for example, translucent resin.The sealing component of present embodiment as will from the light of LED carry out wave
It grows the wavelength shifter of transformation and includes fluorophor.Sealing component is, for example, to contain made of being dispersed in fluorophor in silicone resin
Phosphor resin.As fluorophor particle, in the case where LED is blue LED die, white light, be can be used in order to obtain
Such as the yellow fluorophor of YAG system.In the present embodiment, sealing component is formed in a manner of by whole LED sealing simultaneously
For round, but can also by multiple LED by each column with linear sealing, can also be by each LED independent sealing one by one.
In this way, the light source 200 of present embodiment is the White LED light source being made of blue LED die and yellow fluorophor.
The a part for the blue light that yellow fluorophor issues blue LED die absorbs, and sodium yellow is discharged by excitation.Also, the Huang
Coloured light with white light is not mixed to by the blue light that yellow fluorophor absorbs, as light source 200 injection light and from envelope
Gu component (illumination region) projects white light.That is, projecting white light from illumination region 220.
[appliance body]
As shown in Fig. 2, appliance body 300 is the base station for installing light source 200.In addition, appliance body 300 is also as will be by light
Heat sink the functioning for the heat heat dissipation that source 200 generates.Thus, appliance body 300 is preferably metal material or height by aluminium etc.
The high material of the pyroconductivity of thermal conductive resin etc. is constituted.In the present embodiment, it is one thing, example that appliance body 300 is whole
The aluminium die casting system being made of in this way aluminium.
In the present embodiment, appliance body 300 has fixed part 310, mask portion 320 and radiating part 330.
Fixed part 310 is the part for the fixed mesa-shaped of light source 200.Fixed part 310 has the mounting of mounting light source 200
Face.The mounting surface is the face of the front side of fixed part 310.In addition it is also possible to install in fixed part 310 to surround light source 200
The reflector that is formed of mode.Thereby, it is possible to make the light projected from reflection from light source 200 to side from reflector to lens 100
It is incident.
Mask portion 320 is the part that the tubular of front side of fixed part 310 is arranged in.Mask portion 320 is arranged in fixed part
310 periphery.The injection light of luminaire 1 is projected from the open end of the front side in mask portion 320.
Radiating part 330 is the part for the heat heat dissipation that will be generated by light source 200.Specifically, radiating part 330 is cooling fin,
It is multiple plate bodys that the rear side of fixed part 310 is set.Multiple cooling fins are erected in a manner of being parallel to each other in fixed part
310 back side.In this way, the heat that generated by light source 200 efficiently can be dissipated by the way that radiating part 330 is arranged in fixed part 310
Heat.
The appliance body 300 constituted in this way can be rotated (can yaw) in order to change the direction of illumination of the light of luminaire 1
Ground is supported on framework 500.Specifically, appliance body 300 is configured to, relative to the framework 500 fixed in the opening portion of ceiling
Relative angle variation.In the present embodiment, appliance body 300 can be with parallel with the opening face of frame portion 510 of framework 500
Direction (being horizontally oriented in the present embodiment) be rotation axis rotation.
Specifically, passing through 700 edge of screw for making to be screwed into the sidewall portion 340 of the side of appliance body 300 setting
The supporting part 520 of framework 500 slit it is mobile, appliance body 300 rotates.
[cartridge]
As shown in Figures 1 and 2, in the light emitting side of lens 100, the light projected from lens 100 passes through the configuration of cartridge 400
It is projected from the external of cartridge 400 inside for crossing cartridge 400.
In the present embodiment, cartridge 400 is with the end of 100 side of lens of cartridge 400 close to lens 100
The mode of end of light emitting side configure.Specifically, the end of 100 side of lens of cartridge 400 is close to lens 100
Flange part 140.In addition, inner surface of the configuration of cartridge 400 in the front side in the mask portion 320 of appliance body 300.Tubular
Component 400 is for example fixed in mask portion 320.
The resin material that polycarbonate or PBT etc. can be used for example in cartridge 400 is formed.In addition, cartridge 400
The resin system of being not limited to is also possible to made of metal.
In the present embodiment, cartridge 400 is functioned as the block piece (baffle) of inhibition dazzle.Thus,
The inner surface of cartridge 400 is, for example, the black side for being used as dazzle to inhibit face.The dazzle of black inhibits face that can for example pass through
Delustring processing is implemented to the face that coating is black to realize.In addition, the dazzle of black inhibits face can also be by being black to coating
Embossing processing is implemented to realize in the face of color or the face being made of the component of black.Alternatively, it is also possible to being the entirety of cartridge 400
It is made of black resin.
In turn, in the present embodiment, the dazzle on the inner surface in order to further suppress cartridge 400, in tubular
The inner surface of component 400 is equipped with stair-stepping multiple stage portions.
[framework]
As shown in Figures 1 and 2, the device for supporting main body 300 in such a way that appliance body 300 can rotate of framework 500.
In the present embodiment, framework 500 has the frame portion for the plate for surrounding the mask portion 320 of appliance body 300
510 and rotatably support the supporting part 520 of appliance body 300.Supporting part 520 is to erect from a part of frame portion 510
The supporting arm that mode is formed.In supporting part 520, it is formed with the slit of the rotation direction formation along appliance body 300.Passing through will
Screw 700 is screwed into the screw hole of sidewall portion 340 of appliance body 300 via the slit of supporting part 520, can be with appliance body
Appliance body 300 is fixed to supporting part 520 by 300 states that can be rotated relative to supporting part 520.Framework 500 is for example by metal
Plate is constituted.
When luminaire 1 to be arranged to the opening portion of ceiling, by (not scheming to cylindric metal fixation member
Show) mounting frame 500, and will be mounted with that the fixation member of framework 500 is fixed to the opening portion of ceiling, it can be by luminaire 1
Opening portion fixed to ceiling.In this case, it is possible to pass through the multiple installation springs being arranged on the outer peripheral surface of fixation member
Fixation member is fixed to the opening portion of ceiling.
In addition, the fixation member is also possible to a part of luminaire 1.In addition it is also possible to fixation member is not used, and
By the way that framework 500 to be affixed directly to the opening portion of ceiling, luminaire 1 is fixed to the opening portion of ceiling.
[optical effects of lens]
Then, using Fig. 8 and Fig. 9, with the lens 100X of comparative example 1 comparatively bright lens in relation to present embodiment
100 optical effect.Fig. 8 is the schematic diagram for the optical effect for illustrating the lens 100X of comparative example 1.Fig. 9 is for illustrating
The schematic diagram of the optical effect of lens 100 in relation to embodiment.In Fig. 8 and Fig. 9, solid line and dotted line are indicated from light source 200
The track of the light of injection.In addition, solid line indicates the track for the light being incident in recess portion 122 in Fig. 9, dotted line expression is incident on
The track of light in protrusion 121.
Lens 100 of the lens 100X of comparative example 1 shown in Fig. 8 relative to above embodiment, are in the 1st light incident surface
Recess portion and protrusion, the construction that the 1st light incident surface 101a is flat surface are not formed on 101a.Structure and above-mentioned implementation other than it
The lens 100 of mode are identical.
As shown in figure 8, in the lens 100X of comparative example 1, from the light that light source 200 projects to the 1st light incident surface 101a and
2nd light incident surface 101b is incident, projects by lens 100X to the external of lens 100X.Wherein, though it is not illustrated, entering
The light of the 2nd light incident surface 101b is mapped to by being totally reflected on light reflection surface 102 in protruding portion 130, from the light emission of protruding portion 130
The face of side is projected out.
On the other hand, as shown in figure 8, the light for being incident on the 1st light incident surface 101a passes through multiple lens sections 110 to lens
The external of 100X is projected.In the case, in the lens 100X of comparative example 1, as shown in figure 8, from the saturating of multiple lens sections 110
The light (i.e. by the light of distribution controls) that mirror control plane 112a is projected is incident to lens wall surface 112b, and the loss of light occurs.
In addition, there are inactive area (the i.e. incident light in lens control plane 112a in the lens 100X of comparative example 1
The region being not achieved), as a result, the loss of light occurs.
In particular, into the light of the 1st light incident surface 101a incidence, to the incidence of the outside of the 1st light incident surface 101a
Light (that is, light bigger to the incidence angle of the 1st light incident surface 101a from light source 200), the light projected from lens control plane 112a are got over
It is accessible to lens wall surface 112b, also, the inactive area in lens control plane 112a also becomes larger.That is, to the incidence of the 1st light
The light of the outside incidence of face 101a, the loss of light are bigger.
In contrast, as shown in figure 9, being formed on the 1st light incident surface 101a in the lens 100 of present embodiment
Multiple protrusions 121 and multiple recess portions 122.The light projected as a result, from light source 200 leads to when being incident on the 1st light incident surface 101a
It crosses multiple protrusions 121 and multiple recess portions 122 and spreads.Specifically, being incident on the light pack of protrusion 121, it is incident on recess portion 122
Light diverging.As a result, being able to suppress and occurring not on shadow surface when the light projected from lens 100 is irradiated on shadow surface
It is even.
Also, in the lens of present embodiment 100, multiple protrusions 121 be formed on the optical axis direction of lens 100 with
The position of borderline region (near the Fresnel inflection point) overlapping of adjacent 2 lens sections (the 2nd lens section 112).
As a result, as shown in figure 9, the light for being incident on protrusion 121 passes through 121 optically focused of protrusion, so being able to suppress from multiple
The light that the lens control plane 112a in mirror portion 110 is projected is incident to lens wall surface 112b.As a result, it is possible to inhibit the loss of light.
In turn, big slight due to protrusion 121, so the radius of curvature for constituting the convex spherical on the surface of protrusion 121 is big.Cause
And the light for being incident on protrusion 121 nearby forms focus in lens control plane 112a, spreads towards lens control plane 112a.This
Sample is incident on the light of protrusion 121 by 121 optically focused of protrusion, light can be made to reach the biggish region of lens control plane 112a.By
This, can make the inactive area in lens control plane 112a become smaller, and the effective coverage in lens control plane 112a is made to become larger, so
It is able to suppress the loss of light.
More than, lens 100 according to the present embodiment, with being formed in, constructing as lens for light emitting side is multiple
Mirror portion 110 and be formed in light incident side light incident surface 101 (the 1st light incident surface 101a) multiple protrusions 121 and multiple recess portions
122, multiple protrusions 121 are formed in the defined position of light incident surface 101.
Thereby, it is possible to by mixing on light incident surface 101 multiple protrusions 121 and multiple recess portions 122 will be incident on
The light of mirror 100 is spread, so it is irregular on shadow surface to be able to suppress the light projected from lens 100.Also, due to multiple protrusions
121 are formed in the defined position of light incident surface 101, so being able to suppress the loss of light.In this way, according to the present embodiment saturating
It is irregular on shadow surface to be able to suppress the light projected from lens 100, and is able to suppress the loss of light for mirror 100.As a result, can
It is enough efficiently to take out light on the optical axis direction of lens 100, and the irregular inhibition on shadow surface and total light can be taken into account
The raising of flux.
In particular, the lens construction for being formed in light emitting side is with concentric ring-shaped in the lens 100 of present embodiment
Multiple lens sections 110 outstanding, multiple protrusions 121 are formed in and 2 adjacent lens sections on the optical axis direction of lens 100
The position of 110 borderline region overlapping.
Thereby, it is possible to inhibit the light projected from the lens control plane 112a of multiple lens sections 110 to enter to lens wall surface 112b
It penetrates, and the inactive area in lens control plane 112a can be made to become smaller and become the effective coverage in lens control plane 112a
Greatly.Thus, it is possible to inhibit the light projected from lens 100 irregular on shadow surface, and relative to comparative example 1 shown in Fig. 8
Lens 100X, effectively inhibit the loss of light.As a result, it is possible to which light is efficiently taken out on the optical axis direction of lens 100.
In addition, the lens 100 of present embodiment are relative to the comparative example 1 that the 1st light incident surface 101a is made into flat surface
Lens 100X is able to suppress the loss of light, and relative to being formed with multiple recess portions 122 in the whole face of the 1st light incident surface 101a
Lens are also able to suppress the loss of light.About this point, it is illustrated using Figure 10 and Figure 11.
Figure 10 is the light analysis diagram about the light in the lens 100Y for being incident on comparative example 2.Figure 11 is about being incident on
The light analysis diagram of light in lens 100 in relation to embodiment.
As shown in Figure 10, it is simply formed in the 1st light incident surface 101a in the lens 100Y of comparative example 2 of multiple recess portions 122,
Know the light that the lens control plane 112a of the lens section 110 (the 2nd lens section 112) of the 2nd position from being located at outermost is projected
Major part is incident on the lens wall surface 112b of lens section 110 (the 2nd lens section 112) on the outermost side.
Also, in the lens 100Y of Figure 10, it is known that in the saturating of lens section 110 (the 2nd lens section 112) on the outermost side
Inactive area has occurred in the inboard portion of mirror control plane 112a.
In this way, being formed in the whole face of the 1st light incident surface 101a in the lens 100Y of multiple recess portions 122, by being entered
The light penetrated is spread by multiple recess portions 122, so being able to suppress loss irregular on shadow surface, but that light has occurred.
In contrast, as shown in figure 11, in the lens 100 of present embodiment, being able to suppress the lens from lens section 110
The light that control plane 112a is projected is incident to lens wall surface 112b.In particular, as shown in figure 11, about the 2nd from being located at outermost
The light that the lens control plane 112a of the lens section 110 (the 2nd lens section 112) of a position is projected, the lens with the comparative example 2 of Figure 10
100Y is compared, it is known that inhibits the lens wall surface 112b to lens section 110 (the 2nd lens section 112) on the outermost side incident.
Also, in the lens of present embodiment 100, it is invalid in the lens control plane 112a of lens section 110 to make
Region becomes smaller.In particular, as shown in figure 11, the lens about lens section 110 (the 2nd lens section 112) on the outermost side control
Face 112a, compared with the lens 100Y of the comparative example 2 of Figure 10, it is known that inactive area becomes smaller, and effective coverage becomes larger.
In this way, the lens 100 of present embodiment are compared with the lens 100X of comparative example 2 shown in Fig. 10,
Also the loss of light can be effectively inhibited.
In addition, as shown in Figure 10, in the lens section 110 corresponding with inside region A1 in multiple lens sections 110, not why
The loss by lens wall surface 112b bring light occurs.Therefore, as shown in figure 11, preferably in the 1st light incident surface 101a
Inside region A1 in do not form protrusion 121, and only form recess portion 122.
Thereby, it is possible to effectively spread the light near the central portion for being incident on the 1st light incident surface 101a, so can press down
It is irregular in the middle section of shadow surface to make the light projected from lens 100.
In addition, the respective surface of multiple protrusions 121 is convex spherical, multiple recess portions in the lens 100 of present embodiment
122 respective surface is concave spherical surface.
In the case, as shown in Figure 12 and Figure 14, if setting the center of radius O1 of the convex spherical of protrusion 121 and with the 1st
The orthogonal angle of the points outside M1 of the width W1 of the convex spherical of the protrusion 121 of light incident surface 101a contact is θ 1, if coming from light source 200
The outside side point P1 incidence of light incidence angle be θ 2, then the radius of curvature R 1 of the convex spherical of protrusion 121 and width W1 are set to,
Meet the relationship of 1 > θ of θ 2.
In addition, as shown in FIG. 13 and 14, if set the concave spherical surface of recess portion 122 center of radius O2 and with the 1st light incidence
Face 101a contact recess portion 122 concave spherical surface width W2 interior side point M2 orthogonal angle be θ 3, if the light from light source 200 to
The incidence angle of interior side point P2 incidence is θ 4, then the radius of curvature R 2 of the concave spherical surface of recess portion 122 and width W2 are set to, and meet θ 3
The relationship of > θ 4.
In this way, meet the relationship of 1 > θ of θ 2 by the radius of curvature R 1 and width W1 of the convex spherical of setting protrusion 121, and
And radius of curvature R 2 and the width W2 of the concave spherical surface of recess portion 122 are set to meet the relationship of 3 > θ of θ 4, it can more effectively inhibit to shine
Penetrate loss that is irregular on face, and being able to suppress light.
In turn, as shown in figure 14, if the spacing for being located at the multiple protrusions 121 of lens 100 radially arranged is P1, if
It is W1 about the respective radial width in multiple protrusions 121, is located between the multiple recess portions 122 of lens 100 radially arranged
Away from for P2, if being W2 about the respective radial width of multiple recess portions 122, then preferably meet 0.1≤P1/W1≤2.0 and
The relationship of 0.1≤P2/W2≤2.0.
If becoming P1/W1 < 0.1, P2/W2 < 0.1, then protrusion 121 and the surface of recess portion 122 are close to plane, as recessed
The effect of convex construction dies down.On the other hand, if become 2.0 < P1/W1,2.0 < P2/W2, then between 2 adjacent protrusions 121 or
Gap between 2 adjacent recess portions 122 becomes larger, and there is no protrusion 121 or the positions of recess portion 122 in the 1st light incident surface 101a
Ratio become larger, in the case, the effect as sag and swell also dies down.
In turn, in the lens of present embodiment 100, as shown in fig. 6, being arranged as cricoid multiple protrusions 121 and arrangement
For cricoid multiple recess portions 122 radially being formed with the spacing Pr (concave-convex ball interplanar distance) in prescribed limit in lens 100.
The space of waste will not be generated in the 1st light incident surface 101a as a result, and can be by multiple protrusions 121 and multiple recessed
Portion 122 is paved with the 1st light incident surface 101a, thus can more effectively inhibit shadow surface on it is irregular while inhibit light damage
It loses.
In addition, with multiple protrusions 121 of annular arrangement and in the one party of multiple recess portions 122 of annular arrangement,
The multiple protrusions 121 arranged in circumferential direction or multiple recess portions 122 preferably (i.e. randomly) arrange at different pitches.In this reality
It applies in mode, as shown in fig. 6, what is arranged in the circumferential is multiple recessed in the cricoid recess portion 122 being formed in inside region A1
Portion 122 arranges at different pitches.That is, in 1 of annular arrangement multiple recess portions 122, it is adjacent centered on optical axis J
Multiple central angle β (concave-convex spherical surface arrangement angles) of circular arc of 2 recess portions 122 there are differences.Specifically, with annular arrangement
1 multiple recess portion 122 not to configure at equal intervals.
In this way, by arranging the multiple protrusions 121 arranged in the circumferential or multiple recess portions 122 at different pitches, energy
It enough further suppresses irregular on shadow surface.
In addition, being able to suppress according to the luminaire 1 for the lens 100 for using present embodiment from the irradiation of luminaire 1
Illumination light is irregular on shadow surface, and is able to suppress the loss of the light about illumination light.
In addition, in the luminaire 1 using lens 100, when the light emission configured cartridge 400 in lens 100 goes out
When side, it is able to suppress the inner surface that the light projected from lens 100 reaches cartridge 400.That is, being able to suppress by lens 100
Reach the light of lens wall surface 112b (i.e. towards the light of foreign side).Thereby, it is possible to further suppress the loss of the light about illumination light.
In turn, it in the case where using block piece as cartridge 400, by using lens 100, is able to suppress
Up to the light of the inner surface of block piece, so dazzle can be further suppressed.
(variation)
Then, the lens 100A in relation to variation is illustrated using Figure 15~Figure 17.Figure 15 is by related variation
Lens 100A from light emitting side when perspective view.Figure 16 is the cross-sectional view of the lens 100A in relation to variation.Figure 17 is
Plan view when by the lens 100A in relation to variation from light incident side.
Closing has the lens 100A of this variation and the lens 100 in relation to above embodiment again it is to incident light
The optical component for the translucency that light distribution is controlled.In this variation, lens 100A is also that will be incident in lens 100A
The collector lens of light optically focused, in addition it is possible to use the identical material of lens 100 of embodiment related to the above is formed.
As shown in Figure 15~Figure 17, the lens 100A in relation to this variation, which has, to be constructed as lens and is formed in light emission and goes out
The lens section 110A of side, the multiple protrusions 121 being formed on the light incident surface 101 of light incident side and multiple recess portions 122 and formation
In the cricoid protruding portion 130 of light incident side.
Lens section 110A is to the direction outstanding convex lens separate from light source 200 (not shown).Thus, lens section 110A
Focusing light effect is assigned to the light being incident in lens 100 from light source 200.The shape on the surface of lens section 110A is, for example, substantially ball
Face, but it is not limited to this.
In this variation and the 1st light that is formed in light incident surface 101 of multiple protrusions 121 and multiple recess portions 122 enters
Penetrate face 101a.As shown in figure 17, multiple protrusions 121 and multiple recess portions 122 constitute the sag and swell of the 1st light incident surface 101a, with
The mode for being paved with the 1st light incident surface 101a mixes to be formed.
In addition, in this variation and multiple protrusions 121 are formed in the defined position of the 1st light incident surface 101a, it is more
The formation that a recess portion 122 is formed in the 1st light incident surface 101a has the position other than the region of multiple recess portions 122.
Also, in this variation, multiple protrusions 121 are formed in the defined position of light incident surface 101, but in this deformation
Different from the embodiment described above in example, as shown in figure 16, multiple protrusions 121 are formed in the outer region of the 1st light incident surface 101a
In (lateral area).
Specifically, the multiple protrusions 121 being formed in the outer region of the 1st light incident surface 101a are configured to circular row
The protrusion annular arrangement portion of column.More particularly, multiple protrusions 121 in protrusion annular arrangement portion are along circular lens section
Borderline region is with circular row.Circular protrusion annular arrangement portion is formed along 3 lens section borderline regions.That is, annulus
The protrusion annular arrangement portion of shape is formed with 3 with concentric ring-shaped.
3 protrusions annular arrangement portion it is respective in, multiple protrusions 121 be by protrusion 121 by with one column be arranged as ring-type
1 cyclic annular column as fundamental sequence and by the fundamental sequence with structure made of 3 column of concentric circles arrangement.In addition, in variation
In, multiple protrusions 121 are 3 column but it is also possible to be 1 column or 2 column, are also possible to 4 column or more.
Then, using Figure 18 and Figure 19, with the lens 100B of comparative example 3 comparatively bright lens in relation to this variation
The optical effect of 100A.Figure 18 is the schematic diagram for the optical effect for illustrating the lens 100B of comparative example 3.Figure 19 is for using
The schematic diagram of the optical effect of the bright lens 100A in relation to variation.In Figure 18 and Figure 19, solid line indicates to project from light source 200
Light track.
Lens 100A of the lens 100B of comparative example 3 shown in Figure 18 relative to above-mentioned variation, is in the 1st light incident surface
Recess portion and protrusion, the construction that the 1st light incident surface 101a is flat surface are not formed on 101a.Structure and Figure 15~figure other than it
The lens 100A of above-mentioned variation shown in 17 is identical.
As shown in figure 18, in the lens 100B of comparative example 3, the light projected from light source 200 is incident on the 1st light incident surface
101a and the 2nd light incident surface 101b is projected by lens 100X to the external of lens 100X.Wherein, it is incident on the incidence of the 2nd light
The light of face 101b is penetrated by being totally reflected on light reflection surface 102 in protruding portion 130 from the face of the light emitting side of protruding portion 130
Out.
On the other hand, the light for being incident on the 1st light incident surface 101a is penetrated by lens section 110A to the outside of lens 100B
Out.In the case, in the lens 100B of comparative example 3, as shown in figure 18, it is incident on the perimeter region of the 1st light incident surface 101a
Light in domain reflects on the 1st light incident surface 101a towards foreign side, is not passed through lens section 110A, and also not in light reflection surface
It is totally reflected on 102, and passes through protruding portion 130 and projected towards oblique foreign side.Therefore, in the lens 100B of comparative example 3, light occurs
Loss.
In contrast, multiple protrusions 121 are formed in the outer of the 1st light incident surface 101a in the lens 100A of this variation
All regions.As a result, as shown in figure 19, the light being incident in the outer region of the 1st light incident surface 101a is poly- by protrusion 121
Light can project so protruding portion 130 will not be incident on to the external of lens 100A.Specifically, being incident on the incidence of the 1st light
A part of light in the outer region of face 101a is projected by lens section 110A, in the forward portion of protruding portion 130
It is totally reflected on wall surface, nearby advances towards optical axis.As a result, it is possible to inhibit the loss of light.
In addition, the light for being incident on recess portion 122 being incident in the light of the 1st light incident surface 101a is in the 1st light incident surface 101a
Upper diffusion is projected by lens section 110A to outside.
In this way, in the lens 100A of this variation, also due to mix on the 1st light incident surface 101a be formed with it is multiple convex
Portion 121 and multiple recess portions 122 are able to suppress and occur not on shadow surface so the lens 100 with above embodiment are same
It is even.In addition, in the lens 100A of this variation and multiple protrusions 121 are formed in the defined position of light incident surface 101.
Thereby, it is possible to inhibit the light projected from lens 100 irregular on shadow surface, and it is able to suppress the loss of light.
In particular, multiple protrusions 121 are formed in the periphery of the 1st light incident surface 101a in the lens 100A of this variation
Region.
Thereby, it is possible to inhibit the light projected from lens 100A irregular on shadow surface, and can more effectively inhibit
The loss of light.Thus, it is possible to efficiently take out light on the optical axis direction of lens 100A, and can take into account on shadow surface
The raising of irregular inhibition and total light flux.
In addition, the lens 100A of this variation is relative to the saturating of the comparative example 3 that the 1st light incident surface 101a is made into flat surface
Mirror 100B is able to suppress the loss of light, and relative to being formed with the saturating of multiple recess portions 122 in the whole face of the 1st light incident surface 101a
Mirror 100C is also able to suppress the loss of light.About this point, it is illustrated using Figure 20, Figure 21 and Figure 22.
Figure 20 is the light analysis diagram about the light in the lens 100B for being incident on comparative example 3 shown in Figure 18.Figure 21 is
Light analysis diagram about the light in the lens 100C for being incident on comparative example 4.Figure 22 is about being incident in relation to the saturating of variation
The light analysis diagram of light in mirror 100A.
As shown in figure 20, it is known that in the lens 100B that the 1st light incident surface 101a is the comparative example 3 of flat surface, be incident on
A part of light in the outer region of 1st light incident surface 101a is as being illustrated in Figure 18, on the 1st light incident surface 101a
It is reflected towards foreign side, is not passed through lens section 110A, and be not also totally reflected on light reflection surface 102, and pass through 130 court of protruding portion
It is projected to oblique foreign side.
In this way, being incident in the lens 100B that the 1st light incident surface 101a is the comparative example 3 of flat surface due to existing
Light in mirror 100B is not by optically focused and towards the light that foreign side misses, so the loss of light occurs.
In addition, as shown in figure 21, it is known that be simply formed with the comparative example 4 of multiple recess portions 122 on the 1st light incident surface 101a
In lens 100C, a part for being incident on the light in the outer region of the 1st light incident surface 101a passes through the 1st light incident surface 101a's
Recess portion 122 and dissipate, it is same as the lens 100B of comparative example 3, be not passed through lens section 110A, and also not in light reflection surface 102
Upper total reflection, and pass through protruding portion 130 and projected towards oblique foreign side.
In this way, be simply formed on the 1st light incident surface 101a in the lens 100C of the comparative example 4 of multiple recess portions 122, also by
In there is the light being incident in lens 100C not by optically focused and towards the light that foreign side misses, so the loss of light occurs.
In contrast, as shown in figure 22, it is known that in the lens 100A of this variation, due in the 1st light incident surface 101a
Outer region in be formed with protrusion 121, so a part for the light being incident in the outer region of the 1st light incident surface 101a is logical
It crosses the protrusion 121 of the 1st light incident surface 101a and optically focused, is projected by lens section 110A to the external of lens 100A.
In this way, the lens 100A of this variation compares shown in the lens 100B and Figure 21 with comparative example 3 shown in Figure 20
In the case where lens 100C comparison compared with example 4, the loss of light can be effectively inhibited.
(other variations etc.)
More than, lens 100 for the present invention and luminaire 1 are illustrated based on embodiment, but the present invention
It is not limited to the above embodiment.
For example, in the above-described embodiment, lens 100 have the optical effect that incident light is become to collimation, but and unlimited
In this.For example, lens 100 also can have the optical effect of the illumination light for the light spot-like for making incident light become further optically focused,
Also it can have the optical effect for becoming the illumination light for the light spot-like for reducing light gathering degree.In addition, lens 100 are not limited to
Collector lens is also possible to the lens for having the function of making incident light to dissipate.
In addition, in the above-described embodiment, light source 200 is configured to, discharged by blue LED die and yellow fluorophor white
Coloured light, but it is not limited to this.For example, it is also possible to be configured to, contain fluorophor using containing red-emitting phosphors and green-emitting phosphor
Resin is combined with blue LED die by the way that this is contained phosphor resin and discharges white light.
In addition, in the above-described embodiment, blue LED die has been used as LED, but it is not limited to this.For example, making
The LED chip for issuing the light of the color other than blue also can be used for LED.In the case, in use and blue LED die
In the case where UV LED chip compared to the ultraviolet light of release short wavelength, can be used will be mainly by uv light induction and with three
The structure that primary colors (red, green, blue) luminous assorted fluorophor is combined.In addition, as by the wavelength of the light of LED into
Row transformation wavelength shifter and used fluorophor, but it is not limited to this.For example, as the wavelength conversion other than fluorophor
Material, semiconductor, metal complex, organic dyestuff, pigment etc. can be used include by the light absorption of certain wavelength, issue with
The material of the substance of the light of the different wavelength of the light of absorption.
In addition, in the above-described embodiment, light source 200 has been made into the COB construction for being mounted directly LED chip on substrate
LED module, but it is not limited to this.For example, it is also possible to use SMD (Surface Mount instead of the LED module of COB construction
Device) the LED module constructed.It is installed in the recess portion for the encapsulation (container) that the LED module of SMD construction is used in resin
LED chip and enclosed in this recess sealing component (containing phosphor resin) encapsulation type LED element (SMD type LED member
Part) it is mounted with to one or more structure on substrate.
In addition, in the above-described embodiment, light source 200 uses LED, and but it is not limited to this.For example, light source 200 can also be with
Use the semiconductor light-emitting elements of semiconductor laser etc. or organic EL (Electro Luminescence) or inorganic EL etc.
The existing lamp of fluorescent lamp or high brightness lamp etc. also can be used in solid-state light emitting element other than LED.
In addition to this, to above embodiment implement form obtained from the various modifications that those skilled in the art expect,
Or and without departing from the spirit and scope of the invention arbitrarily combining the constituent element of above embodiment and function
The form of realization is also included in the present invention.
Claims (12)
1. a kind of lens comprising:
Lens construction, is formed in light emitting side；And
Multiple protrusions and multiple recess portions, are formed in the light incident surface of light incident side；
Above-mentioned multiple protrusions are formed in the defined position of above-mentioned light incident surface.
2. lens as described in claim 1, which is characterized in that
Said lens construction is with concentric ring-shaped multiple lens sections outstanding；
Above-mentioned multiple protrusions are formed in the borderline region weight with 2 adjacent said lens portions on the optical axis direction of said lens
Folded position.
3. lens as claimed in claim 2, which is characterized in that
Above-mentioned multiple protrusions, which are formed among the inside region and lateral area of above-mentioned light incident surface, is located at above-mentioned lateral area
Above-mentioned borderline region；
Above-mentioned multiple recess portions are formed in a manner of being paved with the region for not forming above-mentioned multiple protrusions among above-mentioned light incident surface.
4. lens as claimed in claim 3, which is characterized in that
When set from the photocontrol face in said lens portion project light relative to the center of said lens angle of emergence as α, then it is above-mentioned
The boundary of inside region and above-mentioned lateral area is in the position for meeting 3 °≤α≤10 °.
5. the lens as described in any one of claim 2~4, which is characterized in that
The above-mentioned respective surface in multiple protrusions is convex spherical；
The above-mentioned respective surface of multiple recess portions is concave spherical surface；
When the center of radius for setting above-mentioned convex spherical and the points outside of the width of the above-mentioned convex spherical contacted with above-mentioned light incident surface
Orthogonal angle be θ 1, the light from light source to the incidence angle of above-mentioned points outside incidence be θ 2, then the radius of curvature of above-mentioned convex spherical and
Width is set to, and meets the relationship of 1 > θ of θ 2；
When the center of radius for setting above-mentioned concave spherical surface and the interior side point of the width of the above-mentioned concave spherical surface contacted with above-mentioned light incident surface
Orthogonal angle be θ 3, the light from light source to the incidence angle of above-mentioned inside point incidence be θ 4, then the radius of curvature of above-mentioned concave spherical surface and
Width is set to, and meets the relationship of 3 > θ of θ 4.
6. the lens as described in any one of claim 2~4, which is characterized in that
When setting: the above-mentioned multiple protrusions of said lens radially arranged spacing as P1, respectively about above-mentioned multiple protrusions
Above-mentioned radial width be W1, the above-mentioned above-mentioned multiple recess portions radially arranged spacing be P2, about above-mentioned multiple recessed
The respective above-mentioned radial width in portion is W2,
Then meet 0.1≤P1/W1≤2.0, and the relationship of 0.1≤P2/W2≤2.0.
7. the lens as described in any one of claim 2~4, which is characterized in that
Above-mentioned multiple protrusions are with annular arrangement；
Above-mentioned multiple recess portions are with annular arrangement；
Be formed as concentric circles with above-mentioned multiple protrusions of annular arrangement and with above-mentioned multiple recess portions of annular arrangement.
8. lens as claimed in claim 7, which is characterized in that
It is above-mentioned with above-mentioned multiple protrusions of annular arrangement and with above-mentioned multiple recess portions of annular arrangement said lens radially
It is formed with the spacing in prescribed limit.
9. lens as claimed in claim 7, which is characterized in that
With above-mentioned multiple protrusions of annular arrangement and circumferentially to arrange in the one party of above-mentioned multiple recess portions of annular arrangement
Above-mentioned multiple protrusions or above-mentioned multiple recess portions arrange at different pitches.
10. lens as described in claim 1, which is characterized in that
Above-mentioned multiple protrusions are formed in the outer region of above-mentioned light incident surface.
11. a kind of luminaire, which is characterized in that have:
Lens according to any one of claims 1 to 9；And
Light source is opposed to configure with the above-mentioned light incident surface of said lens.
12. luminaire as claimed in claim 11, which is characterized in that
Configuration is also equipped in the cartridge of the light emitting side of said lens.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017106827A JP6857847B2 (en) | 2017-05-30 | 2017-05-30 | Lenses and luminaires |
| JP2017-106827 | 2017-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980778A true CN108980778A (en) | 2018-12-11 |
Family
ID=64541951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436318.2A Pending CN108980778A (en) | 2017-05-30 | 2018-05-09 | Lens and luminaire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6857847B2 (en) |
| CN (1) | CN108980778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847578A (en) * | 2021-10-23 | 2021-12-28 | 福建吉星智能科技股份有限公司 | Combined rotating curved lens for beacon light and working method thereof |
| CN114719225A (en) * | 2022-04-08 | 2022-07-08 | 深圳市科曼医疗设备有限公司 | Lens processing method for shadowless lamp lens, lens structure and shadowless lamp |
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|---|---|---|---|---|
| JP7394335B2 (en) * | 2019-08-08 | 2023-12-08 | パナソニックＩｐマネジメント株式会社 | lenses and lighting equipment |
| JP7394313B2 (en) * | 2019-08-08 | 2023-12-08 | パナソニックＩｐマネジメント株式会社 | lenses and lighting equipment |
| FR3101695B1 (en) * | 2019-10-08 | 2023-01-06 | Dav | Optical system, and optical element for shaping an optical beam and corresponding lighting, signaling and/or cosmetic device |
| JP7148813B2 (en) * | 2019-10-30 | 2022-10-06 | 日亜化学工業株式会社 | Light source device |
| JP7231831B2 (en) | 2019-10-30 | 2023-03-02 | 日亜化学工業株式会社 | Light source device |
| US11782205B2 (en) | 2021-04-28 | 2023-10-10 | Nichia Corporation | Light-emitting device including movement mechanism |
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| JPH1138203A (en) * | 1997-07-23 | 1999-02-12 | Toppan Printing Co Ltd | Lenticular lens sheet |
| DE10242441A1 (en) * | 2002-09-11 | 2004-04-01 | Erco Leuchten Gmbh | lamp |
| JP2008084696A (en) * | 2006-09-27 | 2008-04-10 | Toshiba Corp | Lens for illumination and illumination device |
| TW200918828A (en) * | 2007-10-31 | 2009-05-01 | Taiwan Network Comp & Amp Electronic Co Ltd | Light distribution lenticular sheet |
| JP5147112B2 (en) * | 2008-02-26 | 2013-02-20 | パナソニック株式会社 | Spotlight |
| JP5680847B2 (en) * | 2009-12-24 | 2015-03-04 | チェイル インダストリーズ インコーポレイテッド | Micro lens array sheet |
| JP6006547B2 (en) * | 2011-07-06 | 2016-10-12 | ミネベア株式会社 | LIGHTING DEVICE AND LENS SHEET USED FOR THE SAME |
| JP2013214449A (en) * | 2012-04-03 | 2013-10-17 | Yuichi Suzuki | Toroidal lens and lighting device |
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| JP2014110119A (en) * | 2012-11-30 | 2014-06-12 | Panasonic Corp | Lens and led lighting fixture using the same |
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| JP2016045415A (en) * | 2014-08-25 | 2016-04-04 | リコー光学株式会社 | Diffusion plate and optical device having the same |
| JP6094623B2 (en) * | 2015-05-18 | 2017-03-15 | 株式会社遠藤照明 | Fresnel lens for lighting fixture and lighting fixture having the same |
| JP6310616B2 (en) * | 2015-05-20 | 2018-04-11 | 株式会社モデュレックス | Lens for lighting equipment |
| JP6624550B2 (en) * | 2015-09-02 | 2019-12-25 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
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- 2018-05-09 CN CN201810436318.2A patent/CN108980778A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847578A (en) * | 2021-10-23 | 2021-12-28 | 福建吉星智能科技股份有限公司 | Combined rotating curved lens for beacon light and working method thereof |
| CN113847578B (en) * | 2021-10-23 | 2023-11-14 | 福建吉星智能科技股份有限公司 | Combined rotating curved surface lens for navigation mark lamp and working method thereof |
| CN114719225A (en) * | 2022-04-08 | 2022-07-08 | 深圳市科曼医疗设备有限公司 | Lens processing method for shadowless lamp lens, lens structure and shadowless lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6857847B2 (en) | 2021-04-14 |
| JP2018205349A (en) | 2018-12-27 |
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Application publication date: 20181211 |