CN108692292A - Lens and luminaire - Google Patents
Lens and luminaire Download PDFInfo
- Publication number
- CN108692292A CN108692292A CN201810244781.7A CN201810244781A CN108692292A CN 108692292 A CN108692292 A CN 108692292A CN 201810244781 A CN201810244781 A CN 201810244781A CN 108692292 A CN108692292 A CN 108692292A
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- China
- Prior art keywords
- light
- lens
- protruding portion
- swell
- sag
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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
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
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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
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Lens and luminaire.Even providing the construction for being formed with cricoid protruding portion in light incident side, it can also inhibit the generation of open-wire line and dazzle to realize the lens etc. of the photoirradiated surface of high-quality.There is the peripheral part in light incident side to be formed as cricoid 1st protruding portion (110) and control from the light distribution of the light of the inner surface incidence for the recess portion (111) being made of the 1st protruding portion (110) and be formed as multiple 2nd protruding portions (120) of concentric ring-shaped in light emitting side for the lens (100) controlled the light distribution of incident light, is equipped with when overlooking lens (100) from light incident side in concave-convex sag and swell in the front end of the 1st protruding portion (110).
Description
Technical field
The present invention relates to lens and has the luminaires of the lens.
Background technology
Sometimes it is controlled using the light distribution to light shot from the light source in the luminaires such as downlight or spotlight
Optical component.As such optical component, for example, configuring lens in the front of light source.In the past, as this lens, it is known that
There is the face of the light incident side (light source side) in lens to be formed with multiple protrusions with Fresnel lens function with concentric ring-shaped
The lens (such as patent document 1) in portion.
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2008-47448 bulletins
Invention content
Problems to be solved by the invention
If however, forming the multiple protruding portion with Fresnel lens function in the face of the light emitting side of lens, exist
Following project, that is, lens effect caused by the R shapes due to the front end of protruding portion and photoirradiated surface generate open-wire line or
Dazzle is generated, the quality of photoirradiated surface is caused to reduce.
The present invention makes to solve such project, even its purpose is to provide be formed with ring in light incident side
The lens of the construction of the protruding portion of shape, the generation that can also inhibit open-wire line and dazzle and then the photoirradiated surface of realizing high-quality with
And luminaire.
Means for solving the problems
To achieve the goals above, a mode of lens of the invention is controlled saturating for the light distribution to incident light
Mirror has:1st protruding portion is formed as cyclic annular in the peripheral part of light incident side;And multiple 2nd protruding portions, it controls from by above-mentioned
The light distribution of the light of the inner surface incidence for the recess portion that 1st protruding portion is constituted, and be formed as concentric ring-shaped in light emitting side, above-mentioned
The front end of 1st protruding portion is provided with when overlooking said lens from light incident side in concave-convex sag and swell.
In addition, a mode of the luminaire of the present invention has said lens and the above-mentioned recess portion pair with said lens
The light source configured with setting.
Invention effect
Even being formed with the construction of cricoid 1st protruding portion in light incident side, it can also inhibit open-wire line and dazzle
It generates.Thereby, it is possible to realize the photoirradiated surface of high-quality.
Description of the drawings
Fig. 1 is the outside drawing of the luminaire of embodiment.
Fig. 2 is the sectional view of the luminaire of embodiment.
Fig. 3 is the stereogram from light emitting side when the lens of embodiment.
Fig. 4 is the stereogram from light incident side when the lens of embodiment.
Fig. 5 is the sectional view of the lens of embodiment.
Fig. 6 is the vertical view from light incident side when the lens of embodiment.
Fig. 7 is the amplification profile stereogram from light incident side when the lens of embodiment.
Fig. 8 is the figure illustrated for the optical effect of the lens to embodiment.
Fig. 9 is the enlarged plan view of the lens of comparative example.
Figure 10 is the enlarged cross-sectional view of the 1st protruding portion of the lens of comparative example.
Figure 11 is the amplification profile stereogram from light incident side when the lens of variation 1.
Figure 12 is the amplification profile stereogram from light incident side when the lens of variation 2.
Figure 13 is the amplification profile stereogram from light incident side when the lens of variation 3.
Figure 14 is the amplification profile stereogram from light incident side when the lens of variation 4.
Specific implementation mode
Hereinafter, about embodiments of the present invention, illustrated while with reference to attached drawing.In addition, reality described below
Apply the preferred concrete example that mode shows the present invention.Therefore, numerical value, shape, material shown in the following embodiments and the accompanying drawings,
Inscape, the allocation position of inscape and connection type etc. are an example, it is not intended that limit the present invention.Cause
This, among the inscape in the following embodiments and the accompanying drawings, is not documented in and indicates that the independent right of upper concept of the present invention is wanted
Inscape in asking is illustrated as arbitrary inscape.
In addition, each figure is schematic diagram, not necessarily closely illustrated.Thus, for example, in the various figures, engineer's scale etc.
It is not necessarily consistent.In addition, in the various figures, identical reference numeral is assigned to substantially the same structure, and be omitted or simplified
Repeat description.
(embodiment)
Using Fig. 1 and Fig. 2, the composition of the luminaire 1 of embodiment is illustrated.Fig. 1 is the photograph of embodiment
The outside drawing of funerary objects tool 1.Fig. 2 is the sectional view of the luminaire 1.
Luminaire 1 in the present embodiment is the downlight of (floor, ground, wall etc.) irradiation illumination light downwards,
It is arranged on the ceiling etc. of building.For example, luminaire 1 is embedded in the opening portion of ceiling.
As shown in Figure 1 and Figure 2, luminaire 1 has lens 100 and light source 200.In the present embodiment, illuminate
Utensil 1 is also equipped with appliance body 300, cartridge 400, framework 500 and installing component 600.
Luminaire 1 in present embodiment is general downlight, and the direction of illumination of illumination light can be made to change.It is specific and
Speech, the appliance body 300 (lamp body portion) configured with light source 200 are rotatably supported on framework 500 so as to change opposite
In the posture of ceiling surface.Also, by changing posture of the appliance body 300 relative to ceiling surface, luminaire 1 can be made
Light direction of illumination change.
Hereinafter, being described in detail to each integral part of luminaire 1.In addition, in the present embodiment, by light source
200 light emitting side is as front side.
[Tou Jing ]
Lens 100 are the optical components of the translucency controlled the light distribution of incident light.In the present embodiment, thoroughly
Mirror 100 is the collector lens that incident light is carried out to optically focused.
As shown in Fig. 2, lens 100 are configured at the front of light source 200.Specifically, lens 100 separate rule with light source 200
Fixed interval is configured at the light emitting side of light source 200.Therefore, the control of lens 100 is from the injection of light source 200 and incident to lens 100
Light light distribution.The optical axis of lens 100 is roughly the same preferably with the optical axis of light source 200.
Lens 100 are formed with defined shape, to have defined lensing.Lens 100 use translucent material
And it is formed.Specifically, lens 100 use the transparent materials such as transparent resin materials or glass material such as acrylic acid or makrolon
Material, and it is configured to defined shape using mold etc..
Here, the specific shape of lens 100 is illustrated using Fig. 3~Fig. 7.Fig. 3 is real from light emitting side
The stereogram when lens 100 of mode is applied, Fig. 4 is the stereogram from light incident side when the lens 100, and Fig. 5 is the lens
100 sectional view, Fig. 6 are the vertical view from light incident side when the lens 100, and Fig. 7 is the lens from light incident side
Amplification profile stereogram when 100.In addition, Fig. 3~Fig. 7 shows the shape of the lens 100 in design.
As shown in Fig. 3~Fig. 5, lens 100 have the 1st protruding portion 110 the (the 1st formed in light incident side (200 side of light source)
Transmittance section) and light emitting side (side opposite with 200 side of light source) formed the 2nd protruding portion 120 (the 2nd transmittance section).
1st protruding portion 110 is formed as cyclic annular in the peripheral part of the light incident side of lens 100.Specifically, the 1st protruding portion
110 are protruded in a manner of ambient light source 200 towards 200 side of light source.In the present embodiment, as shown in figure 5, the 1st protruding portion 110
In section view be roughly triangular shape, with towards 200 side of light source and front end attenuates.
In addition, by forming the 1st protruding portion 110 in lens 100, thus recess portion 111 is formed in lens 100.Recess portion 111 with
The mode being recessed to the direction for leaving light source 200 is formed.
The recess portion 111 being made of the 1st protruding portion 110 is formed in the position opposed with light source 200.Specifically, recess portion 111
It is arranged in a manner of covering the illumination region of light source 200.It is incident from the light that light source 200 projects to recess portion 111.Therefore, the 1st protruding portion
110 inner surface becomes the light incident surface 110a of a part for the inner surface for constituting recess portion 111.On the other hand, the 1st protruding portion
110 outer surface is by the light reflection surface 110b for the light total reflection for being incident on the 1st protruding portion 110 from light incident surface 110a.1st is prominent
The front end for going out portion 110 constitutes the interconnecting piece of light incident surface 110a and light reflection surface 110b.
As shown in Fig. 6 and Fig. 7, when the front end of the 1st protruding portion 110 is provided with and overlooks lens 100 from light incident side
In concave-convex sag and swell 112.In other words, interconnecting piece of the sag and swell 112 in light incident surface 110a and light reflection surface 110b
In be set as with the plane of the opening face level of recess portion 111 in bumps.
Specifically, sag and swell 112 is micro-valleys is alternately and repeatedly repeatedly formed as cricoid structure with minute protrusions
It makes.Sag and swell 112 is formed throughout the complete cycle of the front end of the 1st protruding portion 110.
As shown in Fig. 4, Fig. 5 and Fig. 7, in the present embodiment, sag and swell 112 is formed in the 1st protruding portion 110 incessantly
Front end, and be formed in the range of from the front end of the 1st protruding portion 110 to the root position of the 1st protruding portion 110.
Specifically, sag and swell 112 is set to the 1st protruding portion in such a way that the depth direction towards recess portion 111 extends
110 inner surface whole face (being in other words the whole face of light incident surface 110a).More specifically, sag and swell 112 is following shape
Shape:Along the circumferential direction of the inner surface (the light incident surface 110a of the 1st protruding portion 110) of recess portion 111, it is continuously formed multiple with from recess portion
The mode for the bottom surface 111a that 111 opening face (front end of the 1st protruding portion 110) extends to recess portion 111 is formed as linear cylinder
The micro-valleys of shape.In other words, sag and swell 112 is to form multiple linear raised lines along the circumferentially continuous of recess portion 111
Minute protrusions shape.
It, will be from light reflection surface 110b (the when overlooking lens 100 from light incident side as shown in fig. 6, about sag and swell 112
The outer surface of 1 protruding portion 110) distance until the bottom of micro-valleys is set as a, and it will be from light reflection surface 110b to minute protrusions
Distance until vertex is set as b, then meets the relationship of b-a > a.In addition, distance b for example can be 0.01mm or less.
In addition, the bottom surface 111a in recess portion 111 is provided with multiple pits 113.In the present embodiment, pit 113 is to spread
The entire mode of the bottom surface 111a of full recess portion 111 is formed.The bottom surface 111a of recess portion 111 is incident for the light from light source 200
Light incident surface.
2nd protruding portion 120 controls the light distribution of the light from the inner surface incidence for the recess portion 111 being made of the 1st protruding portion 110.
As shown in Fig. 3 and Fig. 5, the 2nd protruding portion 120 is formed as multiple concentric ring-shapeds in the light emitting side of lens 100.2nd protrudes
Portion 120 be formed in recess portion 111 back to position.
Multiple 2nd protruding portions 120 constitute the annulus of Fresnel lens.Specifically, multiple 2nd protruding portions 120 are by center
Protruding portion 121 and multiple cyclic lugs 122 that central projection 121 is surrounded with concentric annular are constituted.
Central projection 121 is the lens for the central part to form Fresnel lens and is prominent to the direction far from light source 200
The convex lens gone out.The surface shape of central projection 121 is, for example, spherical surface, but not limited to this.The central shaft of central projection 121
It is roughly the same preferably with the optical axis of light source 200 for the central shaft of lens 100.
Multiple cyclic lugs 122 are the parts to form the jagged section in Fresnel lens.Each cyclic lug
122 under section view be in roughly triangular shape, with far from light source 200 and front end attenuates.The central shaft of each cyclic lug 122 with
The optical axis of light source 200 is roughly the same preferably.
As shown in figure 5, the 3rd protruding portion 130 is to side outstanding 3rd transmittance section opposite with the 1st protruding portion 110.Such as
Shown in Fig. 3 and Fig. 5, the 3rd protruding portion 130 is formed as cyclic annular in a manner of surrounding the 2nd protruding portion 120.3rd protruding portion 130 exists
It is in roughly triangular shape under section view, with separate light source 200, front end attenuates.
As shown in figure 5, the outer surface and the outer surface of the 1st protruding portion 110 of the 3rd protruding portion 130 are continuous.In other words, the 3rd
The outer surface of the outer surface of protruding portion 130 and the 1st protruding portion 110 is again it is will be from the inner surface (light incident surface of recess portion 111
110a) it is incident on the light reflection surface 110b of the light total reflection of the 3rd protruding portion 130.
In addition, the inner surface in the 3rd protruding portion is formed with cricoid stage portion 131.Stage portion 131 is made of multistage, is in
It is ladder-like.Stage portion 131 it is at different levels with close to light source 200 and internal diameter becomes smaller.
As shown in Fig. 2, the lens 100 constituted in this way are fixed on appliance body 300.In the present embodiment, 100 device of lens
Tool is fixed on appliance body 300 via the installing component 600 for the frame-shaped for being fixed on main body 300.Specifically, installing component
It is fixed in a manner of the inner surface in the 600 lampshade portion 320 to be embedded in appliance body 300, lens 100 are engaging in the installing component
The claw 610 of the open end setting of 600 front side.As shown in Fig. 3~Fig. 5, in the peripheral part of the light emitting side of lens 100
It is formed with for the locking step-like recessed portion 132 of the claw 610 of installing component 600.As shown in Fig. 2, making installation by buckle
Lens 100 can be fixed on installing component 600 by the claw 610 of component 600 engaging in the recessed portion 132 of lens 100.In addition,
Installing component 600 is, for example, resin system but it is also possible to be made of metal.
[Guang Yuan ]
As shown in Fig. 2, light source 200 is configured at appliance body 300.Specifically, being fixed on the fixed part of appliance body 300
310.For example, light source 200 is placed in the mounting surface of fixed part 310, and fixed part is mounted on using installing components such as holders
310。
Light source 200 is the LED light source (LED module) for having LED.Light source 200 is, for example, the White LED light for sending out white light
Source.As an example, light source 200 be COB (Chip On Board) construction, with substrate, be installed on substrate LED, with
And the seal member of sealing LED.
Substrate is the installation base plate for installing LED, for example, ceramic substrate, resin substrate or metallic substrates substrate
Deng.In addition, being equipped with a pair of electrodes terminal, the Yi Jiyong for the direct current power from external receiving for keeping LED luminous in substrate
In the metal line for supplying direct current power to LED.Electrode terminal is electrically connected using electric wire with power circuit.Power circuit is for example
It is built in the power supply box of the exterior arrangement of appliance body 300.
LED is an example of light-emitting component, for example, sends out the bare chip of monochromatic visible light.Specifically, LED is
The blue LED die of blue light is just sent out as long as being powered.LED for example on substrate with rectangular configured with multiple, using in base
The metal line that is formed on plate and be electrically connected to each other.In addition, as long as LED at least configures one.
Seal member is, for example, translucent resin.Seal member in present embodiment is used as comprising fluorophor to coming from
The light of LED carries out the wavelength convert component of wavelength convert.Seal member be, for example, fluorophor be dispersed in silicone resin containing glimmering
Body of light resin.In order to obtain white light, such as it can make in the case where LED is blue LED die as fluorophor particle
With the yellow fluorophor of YAG classes.In the present embodiment, seal member is formed as round in a manner of sealing whole LED together
Shape, but multiple LED can also be sealed with threadiness by each column, or each LED can also be individually sealed one by one.
In this way, the light source 200 in present embodiment is the White LED light being made of blue LED die and yellow fluorophor
Source.Yellow fluorophor absorbs a part for the blue light sent out by blue LED die and is energized to send out sodium yellow.And
And the sodium yellow is mixed to white light with the blue light not by yellow fluorophor absorption, is penetrated from seal member (illumination region)
Go out white light.
[Qi Juzhuti ]
As shown in Fig. 2, appliance body 300 is the base station installed for light source 200.In addition, appliance body 300 is also used as light
The cooling fin that the heat that source 200 generates radiates functions.Therefore, appliance body 300 can by metal materials such as aluminium or
The higher material of the pyroconductivities such as person's high thermal conductive resin is constituted.In the present embodiment, the generally one thing of appliance body 300,
The aluminium die cast system being for example, made of aluminium.
In the present embodiment, appliance body 300 has fixed part 310, lampshade portion 320 and radiating part 330.
Fixed part 310 is the part for 200 fixed mesa-shaped of light source.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.Be formed as ambient light source alternatively, it is also possible to be equipped in fixed part 310
200 reflector.It is incident to lens 100 thereby, it is possible to make the light reflection projected from light source 200 to side using reflector.
Lampshade portion 320 is provided in the part of the tubular of the front side of fixed part 310.Lampshade 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 lampshade portion 320.
Radiating part 330 is the part that the heat generated in light source 200 radiates.Specifically, radiating part 330 is scattered
Backing, and it is provided in multiple plate bodys of the rear side of fixed part 310.Multiple cooling fins are erected in a manner of being mutually parallel
The back side of fixed part 310.In this way, by the way that radiating part 330 is arranged in fixed part 310, so as to the heat that will be generated in light source 200
Amount is efficiently radiated.
The appliance body 300 constituted in this way can be rotated and (be shaken the head) to change the direction of illumination of the light of luminaire 1
Ground is supported on framework 500.Specifically, appliance body 300 is with the phase of the framework 500 relative to the opening portion for being fixed on ceiling
The mode of angle change is constituted.In the present embodiment, appliance body 300 can be by the opening of the frame portion 510 with framework 500
The parallel direction in face (being in the present embodiment horizontal direction) is rotated as rotation axis.
Specifically, being screwed into the screw 700 of the protrusion 340 of the side setting of appliance body 300 along framework 500
The slit of supporting part 520 moves, and thus appliance body 300 rotates.
[Tong Zhuanbujian ]
As shown in Figure 1 and Figure 2, cartridge 400 is arranged in the front side in the lampshade portion 320 of appliance body 300
The cartridge of inner surface.Cartridge 400 configures to side closer to the front compared with lens 100.Cartridge 400 for example can
It is formed using resin materials such as makrolon or PBT.
Cartridge 400 is functioned as the baffle of inhibition dazzle.The inner surface of cartridge 400 is, for example, to become dizzy
The black side in Xanthophyll cycle face.The dazzle of black inhibits face for example can implement delustring processing by dressing up the face of black to painting come real
It is existing.In addition, the dazzle of black inhibits face can be by applying the face implementation dressed up the face of black or be made of the component of black
Texture is processed to realize.
Also, in the present embodiment, the dazzle in the inner surface in order to further suppress cartridge 400, in tubular
The inner surface of component 400 is provided with stage portion.
[Kuang Ti ]
As shown in Figure 1 and Figure 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 have surround appliance body 300 lampshade portion 320 plate frame portion 510,
And the supporting part 520 by the bearing of appliance body 300 for that can rotate.Supporting part 520 is to be erected from a part for frame portion 510
The supporting arm that is formed of mode.It is formed with the slit of the rotation direction formation along appliance body 300 in supporting part 520.Pass through
Screw 700 is set to be screwed into the protrusion 340 of appliance body 300 via the slit of supporting part 520, so as to appliance body
Appliance body 300 is fixed on supporting part 520 by 300 states that can be rotated relative to supporting part 520.Framework 500 is for example by gold
Belong to plate to constitute.
When luminaire 1 to be arranged to the opening portion in ceiling, (do not scheme in cylindric metal fixed component
Show) mounting frame 500, the fixed component for being mounted with framework 500 is fixed to the opening portion of ceiling, so as to by luminaire
Tool 1 is fixed on the opening portion of ceiling.In this case, the multiple installation bullets being arranged in the peripheral surface of fixed component can be utilized
Fixed component is fixed on the opening portion of ceiling by spring.
In addition, the fixed component can also be a part for luminaire 1.Alternatively, it is also possible to not use fixed component, and
It is the opening portion that framework 500 is directly fixed on to ceiling, to which luminaire 1 to be fixed on to the opening portion of ceiling.
[The Guang Xuezuoyong ] of lens;
Next, being illustrated to the optical effect of the lens 100 of present embodiment using Fig. 8.Fig. 8 is for implementing
The figure that the optical effect of the lens 100 of mode illustrates.In fig. 8, solid line indicates the track of the light projected from light source 200.
As shown in figure 8, in the lens 100 of present embodiment, the 1st protrusion is incident on from the light that light source 200 projects
The light in portion 110 passes through the 1st protruding portion 110 and the 3rd protruding portion 130 to be projected to the external of lens 100.
Specifically, the light projected from light source 200 is incident on the light incident surface of the inner surface as the 1st protruding portion 110
110a (side of recess portion 111) and it is straight in the 1st protruding portion 110, and as the 1st protruding portion 110 and the 3rd protruding portion
The light reflection surface 110b total reflections of 130 outer surface.Light after total reflection is in the 1st protruding portion 110 and/or the 3rd protruding portion 130
In straight and external from the stage portion 131 of the 3rd protruding portion 130 to lens 100 project.
In this way, be incident on the light of the 1st protruding portion 110 by the 1st protruding portion 110 and/or the 3rd protruding portion 130 by
Optically focused.Specifically, being incident on the light of the 1st protruding portion 110 by optically focused at substantially parallel with the optical axis of light source 200.
On the other hand, being passed through from the light incident to the 2nd protruding portion 120 in the light that light source 200 projects has Fresnel saturating
2nd protruding portion 120 of mirror function and projected to the external of lens 100.
Specifically, it is incident to the bottom surface 111a of recess portion 111 from the light that light source 200 projects and central projection 121 with
And it is straight in cyclic lug 122, the outer surface of central projection 121 and cyclic lug 122 by refraction action and
It reflects and is projected to the external of lens 100.
In this way, being incident on the light of the 2nd protruding portion 120 by the 2nd protruding portion 120 by optically focused.Specifically, being incident on
The light of 2 protruding portions 120 is by optically focused at substantially parallel with the optical axis of light source 200.
As described above, it projects from light source 200 and is gathered to the incident light of lens 100 by the optical effect of lens 100
Light.For example, the light projected from light source 200 becomes collimated light using the optical effect of lens 100.Have lens 100 as a result,
Luminaire 1 can irradiate the illumination light of light spot-like.
[The Te Zheng ] of lens;
Next, the feature of the lens 100 about present embodiment, also include make the present invention process and comparative example
Lens 100X relatively illustrate.Fig. 9 is the enlarged plan view of the lens 100X of comparative example, and Figure 10 is the lens of comparative example
The enlarged cross-sectional view of the 1st protruding portion 110X of 100X.
As shown in figure 9, relative to the lens 100 in the above embodiment, the lens 100X of comparative example is not protruded the 1st
The front end of portion 110X is formed with the construction of sag and swell 112.Specifically, in the lens 100X of comparative example, the 1st protruding portion
The front end of 110X circumferentially becomes same shape.
As described above, in the past, it is known that tool is formed with concentric ring-shaped in the face of the light incident side (light source side) of lens
There is the multiple protruding portion of Fresnel lens function.If however, multiple protruding portion is formed on lens, in production, in protrusion
The front end in portion is attached to R shapes.In other words, saturating in actually manufacture even if the front end of protruding portion is made to become angle in design
When mirror, due to mould and die accuracy, the material of lens or manufacturing condition etc., the front end of protruding portion can also be made to carry fillet.
It is incident if forming the multiple protruding portion with Fresnel lens function in the face of the light incident side of lens as a result,
Light to the front end of each protruding portion is imitated due to the subsidiary R shapes in the front end in the protruding portion by the lens of focusing light effect
Fruit.As a result, becoming open-wire line in the presence of the light for the front end for being incident on protruding portion and being apparent on photoirradiated surface, the product of photoirradiated surface
Matter reduces this project.
If in addition, forming the multiple protruding portion with Fresnel lens function in the face of the light emitting side of lens, sometimes
A part for light shot from the light source does not carry out refraction desirably in protruding portion and is passed through protruding portion.As a result, producing sometimes
Raw dazzle.
Therefore, the lens 100X of comparative example as shown in Figure 9 is such, consider not in the face of the light incident side of lens but
The face of the light emitting side of lens forms the multiple protruding portion with Fresnel lens function, is formed in the face of the light incident side of lens
Inner surface becomes the recess portion of light incident surface.
However, in the lens 100X of comparative example, in the face of light incident side, there are the recess portions constituted as light incident surface
Cricoid 1st protruding portion 110X.As a result, as shown in Figure 10, due to the subsidiary R in the front end of the cricoid 1st protruding portion 110X
Shape causes the light for being incident on the front end of the 1st protruding portion 110X to be generated open-wire line by focusing light effect.Stated differently, since
In the face of light incident side, there are the 1st protruding portion 110X, therefore can not eliminate whole open-wire lines.
In contrast, although the lens 100 in present embodiment are that there are cricoid 1st protruding portions 110 in light incident side
Construction, but as described above, the front end of the 1st protruding portion 110 be provided with from light incident side overlook lens 100 when in bumps
Sag and swell 112.
Even if being attached to R shapes, the 1st protruding portion in the front end of the 1st protruding portion 110 in actually manufacture lens 100 as a result,
110 front end carry fillet, also can utilize sag and swell 112 weaken be incident on the 1st protruding portion 110 front end light by
The focusing light effect arrived.Even as a result, being formed with the construction of cricoid 1st protruding portion 110 in light incident side, can also utilize
1st protruding portion 110 inhibits the generation of open-wire line.
Also, in lens 100 in the present embodiment, multiple 2nd protruding portions 120 of concentric ring-shaped are not being formed
There is the side (light incident side) of the 1st protruding portion 110 to be formed, but in the side opposite with the side for being formed with the 1st protruding portion 110
(light emitting side) is formed.As a result, compared in the case where light incident side forms circular multiple 2nd protruding portion 120, also can
Inhibit the generation of dazzle.
In this way, the lens 100 according to the present embodiment, even being formed with cricoid 1st protruding portion in light incident side
110 construction can also inhibit the generation of open-wire line and dazzle, therefore can realize the photoirradiated surface of high-quality.
In addition, in lens 100 in the present embodiment, the inner surface of the 1st protruding portion 110 is constitute recess portion 111 interior
The light incident surface 110a of the part on surface, the outer surface of the 1st protruding portion 110 are will to be incident on the 1st from light incident surface 110a to dash forward
Go out the light reflection surface 110b of the light total reflection in portion 110.Also, the front end of the 1st protruding portion 110 is that light incident surface 110a and light are anti-
The interconnecting piece of face 110b is penetrated, sag and swell 112 is arranged in the interconnecting piece.
The 1st protruding portion 110 matching in the light to being incident on lens 100 with the light reflection surface 110b as fully reflecting surface
Light is controlled more important, and the light from light source 200 is intended to be incident on the front end of the 1st protruding portion 110.Therefore, if
Sag and swell 112 is not formed in the front end of the 1st protruding portion 110 with fully reflecting surface (light reflection surface 110b), then open-wire line becomes
It must be easy significantly, but in the present embodiment, due to being formed with sag and swell 112 in the front end of the 1st protruding portion 110,
The generation of open-wire line can be effectively inhibited.
In addition, in lens 100 in the present embodiment, sag and swell 112 is that micro-valleys are handed over repeatedly with minute protrusions
Alternately repeatedly be formed as cricoid construction.
As a result, due to forming sag and swell 112 on the complete cycle of cricoid 1st protruding portion 110, can further have
Effect ground inhibits the production of the open-wire line caused by the 1st protruding portion 110.
In addition, in lens 100 in the present embodiment, it, will be from light reflection surface when overlooking lens 100 from light incident side
The distance at 110b to the bottom of micro-valleys is set as a, the distance on the vertex from light reflection surface 110b to minute protrusions is set as b, then
The relationship for meeting b-a > a is preferable.In other words, the relationship for meeting b > 2a is preferable.
Thereby, it is possible to effectively further inhibit to generate open-wire line in the 1st protruding portion 110.
In addition, in lens 100 in the present embodiment, sag and swell 112 towards the depth direction of recess portion 111 to extend
Mode be set to the inner surface whole face of the 1st protruding portion 110.
As a result, since sag and swell 112 can be utilized to make to spread to the light of light incident surface 110a incidences, can inhibit
The uneven color of the light projected from lens 100.
In addition, in lens 100 in the present embodiment, the bottom surface 111a of recess portion 111 is provided with multiple pits 113.
As a result, since multiple pits 113 can be utilized to make to spread to the light of bottom surface 111a incidences, can further press down
Make the uneven color of the light projected from lens 100.
In addition, in lens 100 in the present embodiment, multiple 2nd protruding portions 120 constitute the ring of Fresnel lens
Band.
Thereby, it is possible to make lens 100 be thinned, and can make to be readily available to the incident light optically focused of lens 100
The illumination light of light spot-like.
(variation etc.)
More than, the luminaire of the present invention is illustrated based on embodiment, but the present invention is not limited to the above embodiments.
For example, in the above-described embodiment, the shape of the sag and swell 112 when overlooking lens 100 from light incident side is micro-
The vertex of small protrusion and the bottom of micro-valleys become curve shape smooth as the sine curve of bending line, but are not limited to
This, can also be shape shown in Figure 11~Figure 14 in the sag and swell that the 1st protruding portion 110 is formed.
Specifically, as shown in figure 11, can also be, the vertex of minute protrusions is sharper when looking down and micro-valleys at
For the sag and swell 112A of the shape of bending line.Or as shown in figure 12, can also be that minute protrusions are bending line when looking down
And the sag and swell 112B of the sharper shape in bottom of micro-valleys.In addition, as shown in figure 13, can also be, it is micro- when looking down
Small protrusion and micro-valleys are the sag and swell 112C of the shape of triangle.In addition, can also be to bow as shown in figure 14
Apparent time minute protrusions and micro-valleys are the sag and swell 112C of the shape of quadrangle.In addition, for uneven color is inhibited
Viewpoint, minute protrusions as the curvature on the vertex of minute protrusions as the preferred Fig. 6 of sag and swell is larger or Figure 11
Vertex is sharper.
In addition, in the above embodiment, lens 100, which have, makes incident light be the optical effect of collimation, but not limited to this.Example
Such as, lens 100 can also make incident light as the illumination light of the light spot-like after further optically focused, can also become and reduce optically focused
The illumination light of the light spot-like of degree.In addition, lens 100 are not limited to collector lens, can also be to have the function of that incident light is made to spread
Lens.
In addition, in the above-described embodiment, light source 200 is configured to send out with yellow fluorophor using blue LED die white
Coloured light, but not limited to this.For example, it is also possible to contain resin using the fluorophor containing red-emitting phosphors and green-emitting phosphor,
It combines the fluorophor and contains resin with blue LED die to send out white light.
In addition, in the above-described embodiment, use blue LED die as LED, but not limited to this.For example, it is also possible to
Using the LED chip for sending out the color other than blue as LED.In this case, it is sent out compared with blue LED die in use
In the case of the UV LED chip of the ultraviolet light of short wavelength, it can use that send out three primary colors by uv light induction by mainly (red
Color, green, blue) the assorted fluorophor person of being composed.In addition, the wavelength that the wavelength as the light to LED is converted turns
Component is changed, fluorophor has been used, but not limited to this.For example, as the wavelength convert component other than fluorophor, it can use and partly lead
Body, metal complex, organic dyestuff, pigment etc. are containing the light for absorbing certain wavelength and send out the wavelength light different from the light of absorption
The material of substance.
In addition, in the above-described embodiment, light source 200 is set as being mounted directly the COB constructions of LED chip on substrate
LED module, but not limited to this.For example, it is also possible to carry out generation using SMD (the SuRface Mount Device) LED modules constructed
For the LED module of COB constructions.The LED module of SMD constructions installs one or more by using following LED elements on substrate
A LED element and constitute, which is that LED chip and recessed at this is installed into the recess portion of the encapsulation (container) of resin
The LED element (SMD type LED element) of encapsulation type made of seal member (fluorophor contains resin) is enclosed in portion.
In addition, in the above-described embodiment, LED has been used in light source 200, but not limited to this.For example, it is also possible in light
Semiconductor light-emitting elements or organic EL (ElectRo Luminescence) or inorganic such as semiconductor laser are used in source 200
Solid-state light emitting element other than the LED such as EL can also use the existing lamp of fluorescent lamp or high brightness lamp etc..
In addition, for the above embodiment implement those skilled in the art it is conceivable that various modifications obtained by form,
Or without departing from the spirit and scope of the invention the inscape arbitrarily in combination the above embodiment and function to reality
Existing form is also contained in the present invention.
Reference sign
1 luminaire
100 lens
110 the 1st protruding portions
110a light incident surfaces
110b light reflection surfaces
111 recess portions
The bottom surfaces 111a
112,112A, 112B, 112C sag and swell
113 pits
120 the 2nd protruding portions
200 light sources
Claims (8)
1. a kind of lens control the light distribution of incident light, which has:
1st protruding portion is formed as cyclic annular in the peripheral part of light incident side;And
Multiple 2nd protruding portions, control the light distribution from the light of the inner surface incidence of the recess portion being made of the 1st protruding portion, and
Light emitting side is formed as concentric ring-shaped,
It is provided with when overlooking the lens from light incident side in concave-convex sag and swell in the front end of the 1st protruding portion.
2. lens as described in claim 1, wherein
The inner surface of 1st protruding portion is the light incident surface of a part for the inner surface for constituting the recess portion,
The outer surface of 1st protruding portion is by the light for the light total reflection for being incident on the 1st protruding portion from the light incident surface
Reflecting surface,
The front end of 1st protruding portion is the interconnecting piece of the light incident surface and the light reflection surface,
The sag and swell is set to the interconnecting piece.
3. lens as described in claim 1, wherein
To be micro-valleys alternately repeated multiple times with minute protrusions and is formed as cricoid construction for the sag and swell.
4. lens as claimed in claim 3, wherein
When overlooking the lens from light incident side, the distance from the light reflection surface to the bottom of the micro-valleys is set as a,
Distance from the light reflection surface to the vertex of the minute protrusions is set as b, then meets the relationship of b-a > a.
5. lens as described in any one of claims 1 to 4, wherein
The sag and swell is set to the entire interior table of the 1st protruding portion in such a way that the depth direction towards the recess portion extends
Face.
6. lens as described in any one of claims 1 to 4, wherein
It is equipped with multiple pits in the bottom surface of the recess portion.
7. lens as described in any one of claims 1 to 4, wherein
The multiple 2nd protruding portion constitutes the annulus of Fresnel lens.
8. a kind of luminaire, has:
Lens according to any one of claims 1 to 7;And
The light source of configuration is opposed to the recess portion of the lens.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-076276 | 2017-04-06 | ||
| JP2017076276A JP6917584B2 (en) | 2017-04-06 | 2017-04-06 | Lenses and luminaires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692292A true CN108692292A (en) | 2018-10-23 |
Family
ID=63844542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810244781.7A Pending CN108692292A (en) | 2017-04-06 | 2018-03-23 | Lens and luminaire |
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| Country | Link |
|---|---|
| JP (1) | JP6917584B2 (en) |
| CN (1) | CN108692292A (en) |
Cited By (1)
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7394304B2 (en) * | 2019-08-22 | 2023-12-08 | パナソニックＩｐマネジメント株式会社 | 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5895191B2 (en) * | 2012-02-10 | 2016-03-30 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
| JP6327555B2 (en) * | 2014-04-18 | 2018-05-23 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
| CN205244911U (en) * | 2015-03-12 | 2016-05-18 | 浚洸光学科技股份有限公司 | Lighting device and optical member thereof |
| JP6761968B2 (en) * | 2016-05-17 | 2020-09-30 | パナソニックＩｐマネジメント株式会社 | Lighting device |
-
2017
- 2017-04-06 JP JP2017076276A patent/JP6917584B2/en active Active
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2018
- 2018-03-23 CN CN201810244781.7A patent/CN108692292A/en active Pending
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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6917584B2 (en) | 2021-08-11 |
| JP2018180127A (en) | 2018-11-15 |
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