CN207279302U - A kind of lighting apparatus - Google Patents

A kind of lighting apparatus Download PDF

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Publication number
CN207279302U
CN207279302U CN201721333821.2U CN201721333821U CN207279302U CN 207279302 U CN207279302 U CN 207279302U CN 201721333821 U CN201721333821 U CN 201721333821U CN 207279302 U CN207279302 U CN 207279302U
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China
Prior art keywords
prism
plate
lighting
pattern
main
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Application number
CN201721333821.2U
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Chinese (zh)
Inventor
李扬
郑磊
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Suzhou Op Lighting Co Ltd
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Suzhou Op Lighting Co Ltd
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Priority to CN201721333821.2U priority Critical patent/CN207279302U/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/02Refractors for light sources of prismatic shape

Abstract

This application discloses a kind of lighting apparatus, including:Chassis, equipped with light source;Diffuser plate, is arranged on chassis and is equipped with diffusant;First prism plate, including the main body being arranged on diffuser plate and the prism pattern being formed in the main body of the first prism plate;And second prism plate, including the main body being arranged on the first prism plate and the prism pattern being formed in the main body of the second prism plate, wherein, the prism pattern of second prism plate is identical with the prism pattern of the first prism plate, and the arranged direction of the prism pattern of the second prism plate and the arranged direction of the prism pattern of the first prism plate are intersected.In this way, light-emitting surface brightness uniformity can be improved, reduce such as luminous point, so as to reduce the UGR of lighting apparatus so that UGR can even reach 16.

Description

A kind of lighting apparatus
Technical field
This application involves technical field of lighting fixtures, more particularly to a kind of lighting apparatus for reducing dazzle.
Background technology
With the continuous development of LED (light emitting diode) technology, occur having the advantages that power consumption is low, service life is long LED lamp.
LED light has varied, such as a kind of lighting apparatus includes light source and housing, and the light source is installed on:Light source Unit, it includes multiple LED encapsulation pieces;First prism plate, is disposed in multiple LED encapsulation pieces and with formed thereon Prism pattern;And prism plate, it is arranged on the first prism plate, and be arranged so that the prism being formed on the second prism plate The longitudinal direction of pattern and the longitudinal direction of the prism pattern of the first prism plate intersect.The lighting apparatus can effectively reduce dizzy Light.Further, be the cost of manufacture that reduces lighting apparatus, in the first prism plate and the second prism plate it is at least one by containing The light transmissive material of diffusant is formed.
Set through the above way, UGR (Unified Glare Rating, type unified glare value) can be equal to or less than 19.But so set, UGR is generally minimum cannot to reach 16 so that the degree for reducing dazzle is poor.
Utility model content
The embodiment of the present application provides a kind of lighting apparatus, and the degree for solving reduction dazzle in the prior art is poor to ask Topic.
The embodiment of the present application uses following technical proposals:
The lighting apparatus of the application, including:
Chassis, equipped with light source;
Diffuser plate, is arranged on the chassis and is equipped with diffusant;
First prism plate, including the main body being arranged on the diffuser plate and be formed in the main body of first prism plate Prism pattern;And
Second prism plate, including the main body being arranged on first prism plate and the master for being formed at second prism plate Prism pattern on body, wherein, the prism pattern of second prism plate is identical with the prism pattern of first prism plate, institute The arranged direction for stating the arranged direction and the prism pattern of first prism plate of the prism pattern of the second prism plate is intersected.
Optionally, the diffuser plate is made of the transparent material added with diffusant, first prism plate and described Two prism plates are made of lens material.
Optionally, the prism pattern of first prism plate and the prism pattern of second prism plate both face towards light extraction Mouthful.
Optionally, the light transmittance of the diffuser plate is 80-85%.
Optionally, the shape of the diffuser plate, the shape of the first prism plate main body, the second prism plate main body Shape is identical, and the cross-sectional area of the main body of the cross-sectional area of the diffuser plate, first prism plate, described second The cross-sectional area of the main body of prism plate is identical.
Optionally, the two sides of the diffuser plate is plane.
Optionally, the prism pattern of first prism plate and the prism pattern of second prism plate are laid out in parallel Multiple dentation stretching structures, wherein, each dentation stretching structure is isosceles triangle, and the length of bevel edge is less than base Length.
Optionally, the height of each dentation stretching structure is 0.3 to 0.4 times of base length.
Optionally, the dentation stretching structure is process using extruding-out process.
Optionally, the thickness of the lighting apparatus is 8-12mm.
Optionally, the UGR of the lighting apparatus is less than or equal to 16.
Above-mentioned at least one technical solution that the embodiment of the present application uses can reach following beneficial effect:
Diffusant is arranged in the diffuser plate different from the first prism plate.So, it is possible to reduce diffusant and prism plate Between interfere, improve the ability of prism plate control optical direction, and the concentration of diffusant can be improved, so as to improve hair Smooth surface brightness uniformity, is reduced such as luminous point, and then reduces the UGR of lighting apparatus so that UGR can even reach 16 or small In 16.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the light distribution figure of the lighting apparatus of the prior art;
Fig. 2 is the structure diagram of lighting apparatus provided by the embodiments of the present application;
Fig. 3 is the light distribution figure of lighting apparatus provided by the embodiments of the present application;
Fig. 4 is the structure diagram of the first prism plate provided by the embodiments of the present application;
Fig. 5 is the A portions schematic diagram of Fig. 4.
Wherein, in Fig. 1-Fig. 5:
Chassis -1;Pcb board -2;Light source -3;Diffuser plate -4;First prism plate -5;Second prism plate -6;Main body -51;Prism Pattern -52.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out all other embodiments obtained under the premise of creative work, shall fall in the protection scope of this application.
As shown in Figure 1, the lighting apparatus of the application includes the chassis 1 equipped with light source 3, the diffuser plate 4 equipped with diffusant, with And it is respectively equipped with the first prism plate 5 and the second prism plate 6 of prism pattern.Wherein, diffuser plate 4 is arranged on chassis 1, the first rib Runner plate 5 is arranged on diffuser plate 4, and the second prism plate 6 is arranged on the first prism plate 5, and prism pattern on the second prism plate 6 Identical with prism pattern 52 on the first prism plate 5, the arranged direction of the prism pattern of two prism plates is intersected.
In the prior art, diffusant is equipped with prism plate, but the concentration of diffusant controls radiation direction to prism plate Capacity it is larger.When the concentration of diffusant is larger, the ability of prism plate control radiation direction can significantly weaken.Therefore The diffusion agent concentration added in prism plate would generally be relatively low, so still can be appreciated that in lighting apparatus 3 shape of light source (for example, When light source 3 is multiple LED lamp beads, luminous point still can be appreciated that).Therefore, lighting apparatus of the prior art, its UGR can be equal to or Less than 19, but do not reach 16.
The application is separately provided one piece of diffuser plate 4 outside prism plate, so that diffusant is arranged in diffuser plate 4, by Diffusion light source 3 can be only used in diffuser plate 4, therefore the surface configuration of diffuser plate 4 can be set as being conducive to improve diffusant The shape (such as surface configuration is set to the other shapes such as plane or inner concave arc surface) of concentration, avoids prism pattern from influencing diffusion effect Fruit.In this way, diffusion agent concentration can be improved according to demand, light-emitting surface brightness uniformity is improved, is reduced such as luminous point, so as to subtract The UGR of small lighting apparatus so that UGR can even reach 16.
From the contrast of Fig. 1, Fig. 3 it can also be seen that the light ray cut degree of wide-angle direction (beyond 50 degree) is otherwise varied, So that dazzle also has difference.During by diffusant addition in diffuser plate 4, the control light effect of lighting apparatus is substantially better than and will spread When agent addition is in prism plate, the control light effect of lighting apparatus.
Each component of lighting apparatus can have a variety of constructions, and below by taking specific embodiment as an example, each component is discussed in detail Construction.
Chassis 1 is identical with common chassis 1.The shape on chassis 1 can be such as circular, rectangle.The material on chassis 1 can Think metal.The size on chassis 1 can specifically be set according to demand.Pcb board 2 of the front installation with light source 3 on chassis 1, Light source 3 can be the LED lamp bead of multiple regular arrays.
Diffuser plate 4 is installed on the front of pcb board 2, is connected with chassis 1.Diffuser plate 4 is by adding the transparent material by diffusant Form, transparent material can be glass etc., to facilitate processing.Diffuser plate 4 can be generally rectangular shaped.The cross section face of diffuser plate 4 Product is more than the cross-sectional area of pcb board 2, so as to covering light source 3 by diffuser plate 4.The thickness of diffuser plate 4 can be according to demand Setting.The tow sides of diffuser plate 4 are plane, so as to adding the diffusant of higher concentration in diffuser plate 4, improve and shine Face brightness uniformity.
The concentration of diffusant can be set according to demand.In one example, after adding diffusant, the light transmittance of diffuser plate For 80%-85%.In this way, light-emitting surface brightness uniformity is preferable.
First prism plate 5 is made of transparent material, and transparent material can be glass, not add diffusant wherein.Such as Fig. 4 Shown, the first prism plate 5 includes the prism pattern 52 of main body 51 and setting on the body 51.The shape of first prism plate, 5 main body 51 Shape can be roughly the same with the shape of diffuser plate 4, is rectangle.(cross section is will for the cross-sectional area of first prism plate, 5 main body 51 First prism plate 5 is roughly parallel to the section of diffuser plate 4 after diffuser plate 4) can be with the cross-sectional area of diffuser plate 4 (cross section is parallel to the upper surface of diffuser plate 4 or the section of lower surface) is roughly the same, so as to control is sent from diffuser plate 4 Light.The thickness of first prism plate, 5 main body 51 can be different from the thickness of diffuser plate 4, and specific thickness can be set according to demand.
First prism plate 5 can be fixed on diffuser plate 4 by viscose glue.After fixing the first prism plate 5, prism pattern 52 Towards light-emitting window, control light is carried out to facilitate.The prism pattern 52 of first prism plate 5 is tied for multiple dentations stretching of laid out in parallel Structure.
Dentation stretching structure is process using extruding-out process.The light being emitted after diffuser plate 4 is matched somebody with somebody for Lambertian Light, by designing the drawing micro-structure face type of dentation, making will be 60 degree most after the drawing microstructured prisms plate of dentation Deflection of light in addition is returned between 40 degree of -50 degree;Low-angle deflection of light between the degree of 0 degree -10 of center is to 10 degree of -30 degree Between.Can thus form triangle light distribution, wide-angle (beyond 60 degree) light seldom and by it is clean clear, this light distribution UGR can be very low, while can also realize a wide range of illumination of larger angle.
As shown in figure 5, dentation stretching structure is isosceles triangle, and the length of bevel edge L2 is less than the length of base L1. The height H of each dentation stretching structure is 0.3 to 0.4 times of base L1 length, can be 0.3 times or 0.4 times, can also be more than 0.3 times and less than 0.4 times.In this way, can further improve to light by clean clarity, so as to further reduce light distribution UGR, while can also realize a wide range of illumination of larger angle.
The set-up mode of second prism plate 6 is identical with the set-up mode of the first prism plate 5.Second prism plate 6 is also by transparent Material identical, can use the transparent material identical with the first prism plate 5.Second prism plate 6 also includes main body and is arranged on master Prism pattern on body.The shape of second prism plate, 6 main body is also substantially rectangular, cross-sectional area (the second prism plate 6 it is transversal Face is identical with the cross section extending direction of the first prism plate 5) it is identical with the cross-sectional area of 5 main body 51 of the first prism plate.Second Prism plate 6 can be fixed on by viscose glue on the first prism plate 5.After fixing the second prism plate 6, prism pattern is towards light extraction Mouthful, carry out control light to facilitate.
The prism pattern of second prism plate 6 is also multiple dentation stretching structures of laid out in parallel.Second prism plate, 6 dentation is drawn The processing method for stretching structure is identical with the processing method of 5 dentation stretching structure of the first prism plate.Second prism plate, 6 dentation stretching knot Structure is also isosceles triangle, and the length of bevel edge is less than the length on base.The height of each dentation stretching structure is base length 0.3 to 0.4 times, to facilitate processing, and further improve control light effect.
The arranged direction of second prism plate, 6 prism pattern and the arranged direction of 5 prism pattern 52 of the first prism plate are intersected, That is place the prism plate of two layers of dentation stretching structure, the dentation stretching structure side of this two layers of prism plate in the outside of diffuser plate 4 To interlaced into more than 0 degree and 180 degree is less than, in other words, the first prism plate 5 and the second prism plate 6 are two pieces of identical ribs Runner plate, has simply mutually turned certain angle.So when in for panel light, dazzle can be reduced, and can realize wide-angle floodlight Wherein, 6 prism pattern of the second prism plate and the intersecting angle of 5 prism pattern 52 of the first prism plate are preferably 90 degree for illumination.
Each component is set through the above way, you can is ensured lamps and lanterns light output surface brightness uniformity, and clearly can be ended to fall big Angle light, whole light beam angle control meet that the base lighting application of panel light larger angle scope again can at 90 degree or so Realize the high-order demand that UGR is less than or equal to 16.
In the application, by taking the lighting apparatus of 600mm*600mm as an example, it is ensured that luminous flux is full on the premise of being 5000lm Sufficient UGR reaches 15.5 dazzle grade, while light output surface brightness uniformity, there is provided comfortable illuminating effect.And lighting apparatus Too many thickness, conventional light fixture thickness need not be increased, and be applied equally to ultra-thin panel light, can accomplish whole lamp 8- The thickness of 12mm;Light efficiency loss at the same time is also seldom.
The foregoing is merely embodiments herein, is not limited to the application.For those skilled in the art For, the application can have various modifications and variations.All any modifications made within spirit herein and principle, be equal Replace, improve etc., it should be included within the scope of claims hereof.

Claims (11)

  1. A kind of 1. lighting apparatus, it is characterised in that including:
    Chassis, equipped with light source;
    Diffuser plate, is arranged on the chassis and is equipped with diffusant;
    First prism plate, including the main body being arranged on the diffuser plate and the rib being formed in the main body of first prism plate Mirror pattern;And
    Second prism plate, including the main body being arranged on first prism plate and be formed in the main body of second prism plate Prism pattern, wherein, the prism pattern of second prism plate is identical with the prism pattern of first prism plate, described The arranged direction of the prism pattern of two prism plates and the arranged direction of the prism pattern of first prism plate are intersected.
  2. 2. lighting apparatus according to claim 1, it is characterised in that the diffuser plate is by the transparent material added with diffusant Material is formed, and first prism plate and second prism plate are made of lens material.
  3. 3. lighting apparatus according to claim 1, it is characterised in that the prism pattern of first prism plate and described The prism pattern of two prism plates both faces towards light-emitting window.
  4. 4. lighting apparatus according to claim 1, it is characterised in that the light transmittance of the diffuser plate is 80%-85%.
  5. 5. lighting apparatus according to claim 1, it is characterised in that the shape of the diffuser plate, first prism plate The shape of main body, the shape of the second prism plate main body are identical, and the cross-sectional area of the diffuser plate, first rib The cross-sectional area of the main body of runner plate, second prism plate main body cross-sectional area it is identical.
  6. 6. lighting apparatus according to claim 1, it is characterised in that the two sides of the diffuser plate is plane.
  7. 7. lighting apparatus according to claim 1, it is characterised in that the prism pattern of first prism plate and described the The prism pattern of two prism plates is multiple dentation stretching structures of laid out in parallel, wherein, each dentation stretching structure is etc. Lumbar triangle shape, and the length of bevel edge is less than the length on base.
  8. 8. lighting apparatus according to claim 7, it is characterised in that the height of each dentation stretching structure is bottom side length 0.3 to 0.4 times of degree.
  9. 9. lighting apparatus according to claim 7, it is characterised in that the dentation stretching structure uses extruding-out process It is process.
  10. 10. according to the lighting apparatus any one of claim 1-9, it is characterised in that the thickness of the lighting apparatus is 8-12mm。
  11. 11. according to the lighting apparatus any one of claim 1-9, it is characterised in that the UGR of the lighting apparatus is less than Or equal to 16.
CN201721333821.2U 2017-10-17 2017-10-17 A kind of lighting apparatus Active CN207279302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721333821.2U CN207279302U (en) 2017-10-17 2017-10-17 A kind of lighting apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721333821.2U CN207279302U (en) 2017-10-17 2017-10-17 A kind of lighting apparatus
PCT/CN2018/109886 WO2019076237A1 (en) 2017-10-17 2018-10-11 Lighting device

Publications (1)

Publication Number Publication Date
CN207279302U true CN207279302U (en) 2018-04-27

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Application Number Title Priority Date Filing Date
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CN (1) CN207279302U (en)
WO (1) WO2019076237A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076237A1 (en) * 2017-10-17 2019-04-25 苏州欧普照明有限公司 Lighting device

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
JP2007311561A (en) * 2006-05-18 2007-11-29 Showa Denko Kk Display unit, light emitting device, and solid-state light emitting element substrate
JP2010140006A (en) * 2008-08-12 2010-06-24 Sumitomo Chemical Co Ltd Optical path unit and liquid crystal display device
US8619212B2 (en) * 2010-07-16 2013-12-31 Dai Nippon Printing Co., Ltd. Protective film, lower polarizing plate, liquid crystal display panel, display device, and method for producing protective film
KR20120056016A (en) * 2010-11-24 2012-06-01 삼성엘이디 주식회사 Illuminating apparatus with reduced glare
CN202813036U (en) * 2012-07-10 2013-03-20 Tcl光电科技(惠州)有限公司 Direct down type backlight module and liquid crystal display device
CN204028519U (en) * 2014-09-02 2014-12-17 长智光电(四川)有限公司 The matched combined structure of a kind of brightness enhancement film and liquid crystal panel
CN206282060U (en) * 2015-10-16 2017-06-27 美蓓亚株式会社 Planar illuminating device
CN207279302U (en) * 2017-10-17 2018-04-27 苏州欧普照明有限公司 A kind of lighting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076237A1 (en) * 2017-10-17 2019-04-25 苏州欧普照明有限公司 Lighting device

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