CN110440179A - Bireflectance characteristic distribution formula intersects light-conducting system - Google Patents
Bireflectance characteristic distribution formula intersects light-conducting system Download PDFInfo
- Publication number
- CN110440179A CN110440179A CN201910714722.6A CN201910714722A CN110440179A CN 110440179 A CN110440179 A CN 110440179A CN 201910714722 A CN201910714722 A CN 201910714722A CN 110440179 A CN110440179 A CN 110440179A
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- China
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- light
- light source
- bireflectance
- source board
- cavity
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Classifications
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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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention discloses a kind of bireflectance characteristic distribution formula intersection light-conducting system, including light source board, radiator, bireflectance characteristic lightguide and Spring Card, light source board is fixed on a heat sink by Spring Card, bireflectance characteristic lightguide is mounted on light source board, and the light for issuing to light source board carries out diffusing reflection and mirror-reflection；The bireflectance characteristic lightguide includes the reflector cavity of multiple array distributions, reflector cavity is re-entrant cavity, multiple light holes for going out light for light source communicated with light source board are provided in reflective cavity wall, the inner wall of reflector cavity forms the guide-lighting curved surface of light source emergent light, each leaded light curved surface configures different reflection characteristics, change light guiding surface shape, different light distribution demands can be met.The invention avoids the not high problems of serious light decay caused by the dust suction of PC lens, xanthochromia and light transmittance light efficiency caused by low.
Description
Technical field
The present invention relates to a kind of light-conducting system, specifically a kind of bireflectance characteristic distribution formula intersects light-conducting system, for shining
Bright lamp tool belongs to illumination class technical field.
Background technique
Garden lamp and street lighting generally use module type PC lens to reflect light distribution at present, to meet road lighting demand,
And PC lens refraction light distribution has the following problems:
The exposed contamination dust easy outside of PC lens and greasy dirt, and PC PMMA material xanthochromia easy to aging, two factors
Common aggravation light decay, lux maintenance seriously reduces, to influence road lighting effect.
For PC lens transmission about 90% or so, light loss is serious.When requiring harsh to high photosynthetic efficiency, by conventional methods
Adjustment improves, and light efficiency is promoted can be more and more not significant, encounters a bottleneck and is promoted motionless.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of bireflectance characteristic distribution formulas to intersect light-conducting system, does not use PC
Lens reflect light distribution, avoid serious light decay caused by lens dust suction, xanthochromia and light transmittance it is low caused by light efficiency is not high asks
Topic.
In order to solve the technical problem, the technical solution adopted by the present invention is that: a kind of bireflectance characteristic distribution formula intersection
Light-conducting system, including light source board, radiator, bireflectance characteristic lightguide and Spring Card, light source board are fixed on scattered by Spring Card
On hot device, bireflectance characteristic lightguide is mounted on light source board, and the light for issuing to light source board carries out diffusing reflection and mirror surface is anti-
It penetrates；The bireflectance characteristic lightguide includes the reflector cavity of multiple array distributions, and reflector cavity is re-entrant cavity, in reflective cavity wall
Multiple light holes for going out light for light source communicated with light source board are provided with, the leaded light that the inner wall of reflector cavity forms light source emergent light is bent
Face, guide-lighting curved surface are mirror reflection surface and/or diffusing reflection face, and the light reflection of mirror surface follows formula 1, the light distribution in diffusing reflection face
Formula 2 is followed, formula 1 and formula 2 are respectively as follows:
In formula 1, n indicates refractive index,Indicate the direction vector of mirror surface emergent light,It is the direction arrow of mirror surface incident light
Amount,It is mirror normal vector, in formula 2, E (x, y, z) indicates the light distribution in diffusing reflection face, x, y, and z respectively indicates unrestrained anti-
The three-dimensional coordinate in face light distribution space is penetrated, m is and half light intensity angle θ of LED1/2Related numerical value, is given byILEDRepresent light intensity, i represents x-axis component, and j represents y-axis component, M, N be used to indicate array light source row and
Column, distance of the d between adjacent two LED.
Further, the reflector cavity is trapezoidal shape cavity, and a bottom surface of trapezoidal shape cavity, which is opened wide, is used as light-emitting surface, ladder
It is provided with light hole on another bottom surface of platform shape cavity and one group of opposite side, the side for being provided with light hole is equipped with and light out
The light conducting cylinder that hole is connected, guide-lighting curved surface are four sides and the light conducting cylinder inner wall of trapezoidal shape cavity.
Further, the light hole horizontal on reflector cavity bottom surface, the light hole on a pair of of side is in oblique placement, through reflective
Light after cavity reflection intersects outgoing in three-dimensional.
Further, the light source board includes horizontal light source board and tilting light source board, and horizontal light source board is horizontally fixed on scattered
On hot device, tilting light source board inclination is fixed on a heat sink, is equipped with multiple groups LED light on horizontal light source board and tilting light source board
Source, the light hole on LED light source face reflector cavity bottom surface on horizontal light source board, the LED light source face on tilting light source board are anti-
Light hole on optical cavity side.
Further, the Spring Card is W-shaped, and W-shaped Spring Card includes concora crush mechanism, pitched roof mechanism and barb mechanism, is put down
Press mechanism is located at the bottom of W-shaped Spring Card, and pitched roof mechanism forms oblique top barb pair, oblique top barb together with barb Mechanism Combination
Pair has two groups, is connected to the both ends of concora crush mechanism, and concora crush mechanism is used for fixed flat light source board, and oblique top barb pair is for solid
Fixed tilting light source board.
Further, the concora crush mechanism includes concora crush face and mounting surface, and mounting surface has 2, respectively by an inclined-plane with
Concora crush face transition connection, mounting surface are equipped with bolt hole, and concora crush mechanism is fixed on above horizontal light source by bolt；Oblique top machine
Structure includes press elastic slice and transition elastic slice I, and press elastic slice is connected by transition elastic slice I with the mounting surface of concora crush mechanism, presses bullet
Piece I is pressed in the opposite of tilting light source board and radiator mounting surface, and barb mechanism includes barb piece and transition elastic slice II, barb
Piece is connected by transition elastic slice II with the mounting surface of concora crush mechanism, and barb piece is buckled in the top of tilting light source board, transition elastic slice II
On be provided with strip groove, press elastic slice and transition elastic slice I be located in strip groove.
Further, reflector cavity is arranged into a rectangular array in bireflectance characteristic lightguide.
Further, it is provided with a circle above heat sink cavity for applying the groove of glass cement, is set to bireflectance characteristic
Protective glass above lightguide securely and is sealed by glass glue sticking.
Further, radiator two sides are equipped with the safety clamp for catching on protective glass.
Further, the position that radiator is used to penetrate electric wire is equipped with waterproof connector.
Further, radiator is equipped with the respirator for balancing the draught head between light-source chamber and atmosphere.
Beneficial effects of the present invention: light-conducting system of the present invention using bireflectance characteristic lightguide to light source emergent light into
The bireflectance characteristic in row mirror-reflection and diffusing reflection, mirror surface and diffusing reflection face avoids serious light caused by lens dust suction, xanthochromia
It declines, bireflectance characteristic lightguide reflectivity is greater than 97%, and efficiency is much higher than PC lens, skips light efficiency and promotes bottleneck, energy-saving effect
Significantly.
Detailed description of the invention
Fig. 1 is the whole lamp schematic diagram 1 for carrying this light-conducting system；
Fig. 2 is the whole lamp schematic diagram 2 for carrying this light-conducting system；
Fig. 3 is the whole lamp decomposition diagram for carrying this light-conducting system；
Fig. 4 is the structural schematic diagram of reflector cavity；
Fig. 5 is the structural schematic diagram of W-shaped spring leaf；
Schematic diagram when Fig. 6 is W-shaped spring leaf fixed light source plate；
Fig. 7 is the light distribution curve of embodiment 1；
Fig. 8 is the plot of light intensity of embodiment 1；
Fig. 9 is the illumination figure of embodiment 1；
In figure: 1, protective glass, 2, bireflectance characteristic lightguide, 3, light source board, 4, Spring Card, 5, wiring board, 6, heat dissipation
Device, 7, safety clamp, 8, respirator, 9, waterproof connector, 21, light hole, 22, left light guiding surface, 23, left light conducting cylinder, 24, rear leaded light
Face, 25, right light conducting cylinder, 26, right light guiding surface, 27, preceding light guiding surface, 41, concora crush face, 42, inclined-plane, 43, mounting surface, 44, bolt hole,
45, elastic slice, 46, transition elastic slice I, 47, barb piece, 48, transition elastic slice II, 49, strip groove, 410, bolt, 31, horizontal light are pressed
Source plate, 32, tilting light source board.
Specific embodiment
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
Embodiment 1
The present embodiment discloses a kind of bireflectance characteristic distribution formula light-conducting system, can be used for illuminator, for example, garden lamp or
Person's street lamp etc., as shown in Figure 1, 2, 3, the whole lamp for carrying this light-conducting system includes protective glass 1, bireflectance characteristic lightguide 2, light
Source plate 3, Spring Card 4, wiring board 5, radiator 6, safety clamp 7, respirator 8 and waterproof connector 9.Radiator 6 includes a hollow cavity
Body and the cooling fin outside hollow cavity, hollow cavity are exactly the light-source chamber of whole lamp, light source board 3, Spring Card 4, wiring board 5,
Bireflectance characteristic lightguide 2 is all set in light-source chamber, and light source board 3 is fixed by Spring Card 4, and bireflectance characteristic lightguide 2 is pacified
On light source board 3, it is provided with a circle above radiator hollow cavity and is set to for applying the groove of glass cement, protective glass 1
The top of bireflectance characteristic lightguide 2 securely and is sealed by the glass glue sticking in radiator groove.In the present embodiment, glass is protected
Glass 1 is tempered glass, is printed on ink above, can play the role of blocking, and keeps LED module succinct, beautiful.Safety clamp 7 uses spiral shell
Bolt is anchored on 6 two sides of radiator, for catching on tempered glass 1, when preventing glass cement failure for some reason, and tempered glass 1
It falls and hurts sb.'s feelings.Waterproof connector 9 is set to radiator 6 for penetrating the position of electric wire, and waterproof when radiator is passed to for electric wire.
Respirator 8 is set in 6 light source cavity wall of radiator, for balancing the draught head between light-source chamber and atmosphere.Otherwise exist in LED module
It emits light and heat after a period of time, then extinguishes cooling, light-source chamber forms negative pressure, will suck moisture and water in the weak link of sealing
Vapour.
As shown in Fig. 1,4, the bireflectance characteristic lightguide 2 includes the reflector cavity of multiple rectangular arrays arrangement, reflective
Chamber is re-entrant cavity, and multiple light holes 21 for going out light for light source communicated with light source board 3 are provided in reflective cavity wall, reflector cavity
Inner wall forms the guide-lighting curved surface of light source emergent light, and guide-lighting curved surface is mirror reflection surface and/or diffusing reflection face, according to Snell refraction
The light reflection of law, mirror surface follows formula 1, and the light distribution in diffusing reflection face follows formula 2, and formula 1 and formula 2 are respectively as follows:
In formula 1, n indicates refractive index,Indicate the direction vector of mirror surface emergent light,It is the direction arrow of mirror surface incident light
Amount,It is mirror normal vector, in formula 2, E (x, y, z) indicates the light distribution in diffusing reflection face, x, y, and z respectively indicates unrestrained anti-
The three-dimensional coordinate in face light distribution space is penetrated, m is and half light intensity angle θ of LED1/2Related numerical value, is given byILEDRepresent light intensity, i represents x-axis component, and j represents y-axis component, M, N be used to indicate array light source row and
Column, distance of the d between adjacent two LED.
As shown in figure 4, the reflector cavity is trapezoidal shape cavity in the present embodiment, a bottom surface of trapezoidal shape cavity is opened wide
As light-emitting surface, light hole 21, left leaded light are provided on another bottom surface of trapezoidal shape cavity and left light guiding surface 22, right light guiding surface 26
Face 22 is equipped with the left light conducting cylinder 23 being connected with light hole 21, is provided with the right side being connected with light hole 21 on right light guiding surface 26 and leads
Light cylinder 25, guide-lighting curved surface be trapezoidal shape cavity (preceding light guiding surface 27, left light guiding surface 22, rear light guiding surface 24 and the right side are led for four sides
Smooth surface 26) and light conducting cylinder 23,25 inner wall.
In the present embodiment, 2 surface of bireflectance characteristic lightguide is using vacuum aluminum-coated, and reflectivity is greater than 97%, light extraction efficiency
Much higher than PC lens.21 horizontal of light hole on reflector cavity bottom surface, the light hole 21 on left light guiding surface 22 and right light guiding surface 26 are in
Oblique placement, the light after reflective cavity reflection intersect outgoing in three-dimensional.It is special that each guide-lighting curved surface of reflector cavity configures different reflections
Property (mirror-reflection or diffusing reflection), change light guiding surface shape, different light distribution demands can be met.It is left and right to lead in the present embodiment
Light cylinder 23,25 and front and back light guiding surface 27,24 use mirror-reflection, and left and right light guiding surface 22,26 uses diffusing reflection, calculate through simulation,
Adjustment curved surface morpheme can realize following distribution curve flux plot of light intensity and illumination figure, be distribution curve flux under this state, such as shown in Fig. 7
It is plot of light intensity under this state shown in Fig. 8, as shown in figure 9, for illumination figure under this state.LED relative to no light-conducting system
For light source light distribution curve, the light distribution angle of this light-conducting system is pulled open to road direction, and is biased to road transverse direction, energy weight
New distribution, meets the demand of road light distribution.For PC lens, the light energy beam power of bireflectance characteristic light-conducting system is more
By force, the utilization rate of luminous energy is higher.
As shown in fig. 6, the light source board 3 includes horizontal light source board 31 and tilting light source board 32, horizontal light source board 31 is horizontal
It is fixed on radiator 6, the tilting inclination of light source board 32 is fixed on radiator 6, on horizontal light source board 31 and tilting light source board 32
It is equipped with multiple groups LED light source, the light hole 21 on LED light source face reflector cavity bottom surface on horizontal light source board 31, tilting light source
The light hole 21 on LED light source face reflector cavity side on plate 32.
As shown in figure 5, the Spring Card 4 be it is W-shaped, W-shaped Spring Card includes concora crush mechanism, pitched roof mechanism and barb mechanism,
Concora crush mechanism is located at the bottom of W-shaped Spring Card, and pitched roof mechanism forms oblique top barb pair together with barb Mechanism Combination, and oblique top is fallen
Hook pair has two groups, is connected to the both ends of concora crush mechanism, and concora crush mechanism is used for fixed flat light source board 31, and oblique top barb pair is used
In the tilting light source board 32 of fixation.
Specifically, the concora crush mechanism includes concora crush face 41 and mounting surface 43, mounting surface 43 has 2, respectively tiltedly by one
Face 42 is connect with 41 transition of concora crush face, and mounting surface 43 is equipped with bolt hole 44, and concora crush mechanism is fixed on horizontal by bolt 410
31 top of light source；Pitched roof mechanism includes press elastic slice 45 and transition elastic slice I46, and press elastic slice 45 is by transition elastic slice I46 and puts down
The mounting surface 43 of press mechanism is connected, and press elastic slice I45 is pressed in the opposite of tilting light source board 32 and 6 mounting surface of radiator,
Hook mechanism includes barb piece 47 and transition elastic slice II48, and barb piece 47 passes through the mounting surface 43 of transition elastic slice II48 and concora crush mechanism
It is connected, barb piece 47 is buckled in the top of tilting light source board 32, and strip groove 49 is provided on transition elastic slice II48, presses elastic slice 45 and mistake
Elastic slice I46 is crossed to be located in strip groove 49.
As shown in fig. 6, light source board 3 is put into waterproof cooling device 6 first when using W-shaped 4 fixed light source plate 3 of Spring Card
Card slot, W-shaped Spring Card 4 is fastened with bolt 400.During bolt 410 fastens, the spreader bar of W-shaped multi-purpose Spring Card 4
Elastic deformation first occurs for structure, and horizontal light source board 31 is compressed.Then elastic deformation occurs for pitched roof mechanism, and press elastic slice 45 will be tilting
Light source board 32 is held out against.Elastic deformation occurs for last barb mechanism, and tilting light source board 32 is clasped, avoids transporting and make by barb piece 47
It is skidded off with tilting light source board 32 in the process.
In the present embodiment, W-shaped Spring Card 4 is metal stamping formed or injection molding, and radiator 6 is die casting aluminium conjunction
Gold, diecast magnesium alloy, cold forging magnesium alloy or the molding of cold forging aluminium alloy, safety clamp 7 are aluminium or stainless steel punch forming.
Light-conducting system described in the present embodiment carries out mirror-reflection to light source emergent light using bireflectance characteristic lightguide and overflows
The bireflectance characteristic in reflection, mirror surface and diffusing reflection face avoids serious light decay caused by lens dust suction, xanthochromia, and bireflectance characteristic is led
Light device reflectivity is greater than 97%, and efficiency is much higher than PC lens, skips light efficiency and promotes bottleneck, energy-saving effect is significant.
The embodiment above of the present invention, is merely illustrative, be not it is only, it is all within the scope of the present invention or it is equivalent this
Change in the range of invention is surrounded by the present invention.
Claims (10)
1. a kind of bireflectance characteristic distribution formula intersects light-conducting system, it is characterised in that: special including light source board, radiator, bireflectance
Property lightguide and Spring Card, light source board is fixed on a heat sink by Spring Card, and bireflectance characteristic lightguide is mounted on light source board
On, the light for issuing to light source board carries out diffusing reflection and mirror-reflection；The bireflectance characteristic lightguide includes multiple arrays
The reflector cavity of distribution, reflector cavity are re-entrant cavity, be provided in reflective cavity wall it is multiple communicated with light source board go out light for light source
Light hole, the inner wall of reflector cavity form the guide-lighting curved surface of light source emergent light, and guide-lighting curved surface is mirror reflection surface and/or diffusing reflection
The light reflection in face, mirror surface follows formula 1, and the light distribution in diffusing reflection face follows formula 2, and formula 1 and formula 2 are respectively as follows:
In formula 1, n indicates refractive index,Indicate the direction vector of mirror surface emergent light,It is the direction vector of mirror surface incident light,It is mirror normal vector, in formula 2, E (x, y, z) indicates the light distribution in diffusing reflection face, x, y, and z respectively indicates diffusing reflection
The three-dimensional coordinate in face light distribution space, m are and half light intensity angle θ of LED1/2Related numerical value, is given byILEDLight intensity is represented, i represents x-axis component, and j represents y-axis component, and M, N are used to indicate the row of array light source
And column, distance of the d between adjacent two LED.
2. bireflectance characteristic distribution formula light-conducting system according to claim 1, it is characterised in that: the reflector cavity is halfpace
Shape cavity, a bottom surface of trapezoidal shape cavity, which is opened wide, is used as light-emitting surface, another bottom surface of trapezoidal shape cavity and one group it is opposite
Light hole is provided on side, the side for being provided with light hole is equipped with the light conducting cylinder being connected with light hole, and guide-lighting curved surface is halfpace
Four sides of shape cavity and light conducting cylinder inner wall.
3. bireflectance characteristic distribution formula light-conducting system according to claim 2, it is characterised in that: going out on reflector cavity bottom surface
Unthreaded hole horizontal, the light hole on a pair of of side are in oblique placement, and the light after reflective cavity reflection intersects outgoing in three-dimensional.
4. bireflectance characteristic distribution formula light-conducting system according to claim 2, it is characterised in that: the light source board includes flat
Light source board and tilting light source board are set, horizontal light source board is horizontally fixed on radiator, and tilting light source board inclination is fixed on radiator
On, multiple groups LED light source is equipped on horizontal light source board and tilting light source board, the LED light source face reflector cavity on horizontal light source board
Light hole on bottom surface, the light hole on LED light source face reflector cavity side on tilting light source board.
5. bireflectance characteristic distribution formula light-conducting system according to claim 3, it is characterised in that: the Spring Card be it is W-shaped,
W-shaped Spring Card includes concora crush mechanism, pitched roof mechanism and barb mechanism, and concora crush mechanism is located at the bottom of W-shaped Spring Card, pitched roof mechanism
Oblique top barb pair is formed together with barb Mechanism Combination, oblique top barb pair has two groups, is connected to the both ends of concora crush mechanism,
Concora crush mechanism is used for fixed flat light source board, and oblique top barb pair is for fixing tilting light source board.
6. bireflectance characteristic distribution formula light-conducting system according to claim 4, it is characterised in that: the concora crush mechanism includes
Concora crush face and mounting surface, mounting surface have 2, are connect respectively by an inclined-plane with the transition of concora crush face, and mounting surface is equipped with bolt hole,
Concora crush mechanism is fixed on above horizontal light source by bolt；Pitched roof mechanism includes press elastic slice and transition elastic slice I, presses elastic slice
It is connected by transition elastic slice I with the mounting surface of concora crush mechanism, press elastic slice I is pressed in pair of tilting light source board Yu radiator mounting surface
On facade, barb mechanism includes barb piece and transition elastic slice II, and barb piece passes through the mounting surface of transition elastic slice II and concora crush mechanism
It is connected, barb piece is buckled in the top of tilting light source board, and strip groove is provided on transition elastic slice II, presses elastic slice and I, transition elastic slice
In in strip groove.
7. bireflectance characteristic distribution formula light-conducting system according to claim 1, it is characterised in that: the top of heat sink cavity
A circle is provided with for applying the groove of glass cement, the protective glass above bireflectance characteristic lightguide is set to and passes through glass glue sticking
Securely and seal.
8. bireflectance characteristic distribution formula light-conducting system according to claim 7, it is characterised in that: radiator two sides, which are equipped with, to be used
In the safety clamp for catching on protective glass.
9. bireflectance characteristic distribution formula light-conducting system according to claim 1, it is characterised in that: radiator is for penetrating electricity
The position of line is equipped with waterproof connector.
10. bireflectance characteristic distribution formula light-conducting system according to claim 1, it is characterised in that: radiator, which is equipped with, to be used
The respirator of draught head between balance light-source chamber and atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714722.6A CN110440179B (en) | 2019-08-02 | 2019-08-02 | Double-reflection characteristic distributed cross light guide system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714722.6A CN110440179B (en) | 2019-08-02 | 2019-08-02 | Double-reflection characteristic distributed cross light guide system |
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| CN110440179A true CN110440179A (en) | 2019-11-12 |
| CN110440179B CN110440179B (en) | 2021-05-18 |
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| CN201910714722.6A Active CN110440179B (en) | 2019-08-02 | 2019-08-02 | Double-reflection characteristic distributed cross light guide system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201120344A (en) * | 2009-12-02 | 2011-06-16 | Univ Southern Taiwan Tech | Light emitting structure without light guide plate |
| TW201428355A (en) * | 2013-01-07 | 2014-07-16 | 勝華科技股份有限公司 | Planar light apparatus |
| CN105180095A (en) * | 2015-09-09 | 2015-12-23 | 重庆平伟光电科技有限公司 | Uniform light intensity LED reflection light emitting method based on non-imagining optics |
| CN106764683A (en) * | 2016-12-23 | 2017-05-31 | 惠州华阳通用电子有限公司 | A kind of knob light guiding ring structure and its light control method |
| CN207073744U (en) * | 2017-07-10 | 2018-03-06 | 中山市亮化升照明科技有限公司 | A kind of shockproof LED projector lamp |
| CN108072014A (en) * | 2016-11-16 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Lampshade and panel and cooking apparatus |
| CN109556031A (en) * | 2018-12-31 | 2019-04-02 | 广州市诺思赛光电科技有限公司 | A kind of LED lamp with floodlight and light-focusing function |
-
2019
- 2019-08-02 CN CN201910714722.6A patent/CN110440179B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201120344A (en) * | 2009-12-02 | 2011-06-16 | Univ Southern Taiwan Tech | Light emitting structure without light guide plate |
| TW201428355A (en) * | 2013-01-07 | 2014-07-16 | 勝華科技股份有限公司 | Planar light apparatus |
| CN105180095A (en) * | 2015-09-09 | 2015-12-23 | 重庆平伟光电科技有限公司 | Uniform light intensity LED reflection light emitting method based on non-imagining optics |
| CN108072014A (en) * | 2016-11-16 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Lampshade and panel and cooking apparatus |
| CN106764683A (en) * | 2016-12-23 | 2017-05-31 | 惠州华阳通用电子有限公司 | A kind of knob light guiding ring structure and its light control method |
| CN207073744U (en) * | 2017-07-10 | 2018-03-06 | 中山市亮化升照明科技有限公司 | A kind of shockproof LED projector lamp |
| CN109556031A (en) * | 2018-12-31 | 2019-04-02 | 广州市诺思赛光电科技有限公司 | A kind of LED lamp with floodlight and light-focusing function |
Non-Patent Citations (1)
| Title |
|---|
| 刘百芬 等: "基于led阵列与漫反射自由曲面的均匀照明光源设计", 《应用光学》 * |
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| CN110440179B (en) | 2021-05-18 |
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Address after: No. 8111, Erhuan North Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Jinan Samsung Lighting Technology Co.,Ltd. Address before: No. 8111, Erhuan North Road, Tianqiao District, Jinan City, Shandong Province Patentee before: JINAN SANXING LIGHTING Co.,Ltd. |
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Denomination of invention: Distributed cross guiding light system with dual reflection characteristics Effective date of registration: 20230925 Granted publication date: 20210518 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: Jinan Samsung Lighting Technology Co.,Ltd. Registration number: Y2023980058311 |