CN117146227A - LED optical system - Google Patents
LED optical system Download PDFInfo
- Publication number
- CN117146227A CN117146227A CN202311002209.7A CN202311002209A CN117146227A CN 117146227 A CN117146227 A CN 117146227A CN 202311002209 A CN202311002209 A CN 202311002209A CN 117146227 A CN117146227 A CN 117146227A
- Authority
- CN
- China
- Prior art keywords
- light
- led
- optical system
- light emitting
- converging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 50
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 239000011324 bead Substances 0.000 abstract description 16
- 230000004313 glare Effects 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000003464 asthenopia Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004382 visual function Effects 0.000 description 2
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
-
- 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
- F21V7/0025—Combination of two or more reflectors for a single light source
- F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
- F21V7/0041—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following for avoiding direct view of the light source or to prevent dazzling
-
- 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
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/30—Lighting for domestic or personal use
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an LED optical system, which comprises an LED light-emitting source, a light converging device with a converging outlet, a light source and a light source module, wherein the light converging device is configured to converge the emitted light of the LED light-emitting source and then form an incident light beam which is emitted towards a first direction and has a light beam angle of not more than 120 DEG at the converging outlet; the light converging device is arranged on the first direction of the light guide plate, and comprises a large-area light diverter which is arranged on the light converging device and used for reflecting an incident light beam to form an emergent light beam with a light beam angle of not more than 120 DEG which is emitted along the second direction; the first direction and the second direction are intersected, and the converging outlet is not on the path of any light ray on the emergent light beam. The LED optical system with the eye protection function provided by the invention has ingenious structural design, can form a lamplight anti-dazzle angle, can prevent eyes of people from directly looking at strong light emitted by the LED lamp beads, and provides a healthy LED optical lighting system for people.
Description
Technical Field
The invention relates to the technical field of LED illumination, in particular to an LED optical system.
Background
Glare rating is one of the main contents of lighting quality rating.
Glare is a visual phenomenon that is caused by an improper brightness distribution or brightness range in the eye, or the existence of extreme contrast, so as to cause discomfort or reduce the ability to observe details or objects. The degree of visual impairment caused by glare can be classified into uncomfortable glare and disabling glare; discomfort glare causes discomfort and visual fatigue to the person; an excessively bright illuminant present in the field of view is referred to as disabling glare when it causes a decrease in the contrast of the brightness of the recognition object to the background and impairs the visual function of the observer.
The lamp without glare control is on the market at present, so that people feel uncomfortable and visual fatigue, even the visual function of observers is damaged, and hidden hazards are brought to the working health and the life health of people.
The prior art CN201720069152.6 discloses an LED lamp, in which a diffusion plate is disposed on the light emitting side of the light source, the diffusion plate includes a light inlet plate and a light outlet plate which are stacked with each other, a convex light guiding microstructure is disposed on one surface of the light inlet plate facing the light outlet plate, and light diffusion particles are mixed in the light outlet plate. When light passes through the diffusion plate, the light is firstly diffused by the light guide microstructure on the light emitting surface of the light inlet plate, the diffused light enters the light emitting plate with the light guide medium, and the light guide medium diffuses the diffused light in each local area.
Thus, the prior art has the following technical drawbacks:
above-mentioned LED lamp is through scattering after light diffusion earlier, and such setting not only makes the light waste of LED lamp, still makes the light of LED lamp not enough, and antiglare effect is also not good, can not satisfy people's daily use, and the consumption of lamp is big, still has brought a great deal of hidden danger for people's work health and life health, does not accord with energy-concerving and environment-protective requirement yet.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the LED optical system with the eye protection function, which has ingenious structural design, can form a lamplight anti-dazzle angle, avoids the direct vision of eyes of people on strong light emitted by the LED lamp beads, and provides a healthy LED optical lighting system for people.
The invention provides an LED optical system, which is characterized by comprising: an LED light-emitting source, and,
a light concentrator having a concentrating outlet configured to form an incident light beam emitted in a first direction and having a beam angle of not more than 120 ° at the concentrating outlet after concentrating the emitted light of the LED light emitting source; the large-area light diverter is positioned on the light converging device in the first direction, and the incident light beam is reflected by the large-area light diverter to form an emergent light beam with a light beam angle of not more than 120 degrees, which is emitted along the second direction; wherein the first direction and the second direction intersect, and the converging outlet is not in the path of any light ray on the outgoing light beam.
In a preferred embodiment of the present invention, the central line of the light emitting surface of the LED light source coincides with the central line of the converging outlet and passes through the large-area light diverter.
In a further preferred embodiment of the present invention, the light concentrator is configured as an inner reflector, the inner reflector includes an inner peripheral reflecting surface, the light emitting surface of the LED light emitting source does not exceed a small diameter starting end of the inner peripheral reflecting surface, and a large diameter ending end of the inner peripheral reflecting surface is closer to the large surface light diverter than the LED light emitting source.
In a further preferred embodiment of the present invention, the center line of the light emitting surface of the LED light emitting source coincides with the center line of the inner peripheral light reflecting surface, and passes through the large-area light redirector.
In a further preferred embodiment of the present invention, the light emitting surface of the LED light emitting source is coplanar with the small diameter start end surface of the inner peripheral reflecting surface, and a gap is provided between the light emitting surface of the LED light emitting source and the inner peripheral reflecting surface.
In a preferred embodiment of the present invention, the light collector is provided as a converging lens, a refractive cavity with an M-shaped cross section is provided in a small-diameter start end of the converging lens, a refractive convex surface is provided outside a large-diameter end of the converging lens, and a reflective part is provided around an outer peripheral surface of the converging lens.
In a further preferred embodiment of the present invention, the LED light source is mounted in the refraction cavity, and a center line of a light emitting surface of the LED light source coincides with a center line of the refraction cavity and passes through the large-area light redirector.
In a preferred embodiment of the present invention, the large-area light redirector includes a large-area light reflection surface, and the incident light beam is completely incident into the large-area light reflection surface along the first direction, and the large-area light reflection surface intersects with both the first direction and the second direction.
In a further preferred embodiment of the present invention, the large-area reflective surface is a continuous curved surface or a continuous plane.
In a further preferred embodiment of the present invention, the LED optical system further includes an exit lens, and the exit beam exits toward the exit lens along the second direction.
Compared with the prior art, the invention has the beneficial effects that:
the LED optical system with the eye protection function is applied to the lighting fields of automobile signal lamps (such as brake lamps, turn lamps and reading lamps), indoor lamps (such as desk lamps) and the like, the LED optical system is provided with the light converging device for accurately converging light emitted by the LED lamp beads into incident light beams with the light beam angle not more than 120 DEG, the large-area light diverter positioned on the light converging device in the first direction is arranged, the incident light beams are reflected by the large-area light diverter to form emergent light beams with the light beam angle not more than 120 DEG emitted along the second direction, and the light emitted by the LED lamp beads sequentially acts on the light converging device and the large-area light diverter to form light anti-dazzle angles so as to achieve the anti-dazzle effect of the light, and the light converging device is used for accurately converging the light emitted by the LED lamp beads and has the advantages of high optical efficiency, energy conservation and environmental protection; the first direction and the second direction are crossed, the converging outlet of the light converging device is not on the path of any light ray belonging to the emergent light beam, namely, the light emitted from the LED lamp beads cannot be irradiated outside the lamp in diameter, but is completely emitted outside the lamp after being turned by the large-area light diverter, so that the light beam is comprehensively utilized, the brightness is ensured, the eyes of a person are prevented from directly looking at the strong light emitted by the LED lamp beads, and a healthy LED optical lighting system is provided for the person, such as the dazzling problem of a brake lamp and the like can be solved commonly.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure and/or process particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic structural diagram of an LED optical system (with the light extraction lens hidden) according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of an LED optical system according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of an LED optical system according to a first embodiment of the present invention;
fig. 4 is a schematic diagram of an LED optical system according to a second embodiment of the present invention;
reference numerals illustrate:
1-an LED optical system;
10-LED luminous source, 11-luminous surface, 111-central line;
20-an inner surface reflector, 20 a-a small diameter starting end, 20 b-an inner circumference reflecting surface, 20 c-a large diameter ending end, 21-a converging outlet, 211-a central axis and 212-a gap;
30-incident beam, 31-incident beam, θ1-beam angle;
40-large-area light diverter and 41-large-area reflecting surface;
50-emergent beam, 51-emergent beam, θ2-beam angle;
60-a light-emitting lens;
2-LED optical system;
200-converging lenses, 200 a-small-diameter starting ends, 200 b-refractive cavities, 200 c-large-diameter ending ends, 200 d-refractive convex surfaces, 200 e-reflecting parts, 201-converging outlets and 2011-central axes;
300-incident beam, 301-incident ray, θ11-beam angle;
description of the embodiments
The following will describe embodiments of the present invention in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present invention, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that these specific descriptions are only for easy and clear understanding of the present invention by those skilled in the art, and are not meant to be limiting; for example, the first and second embodiments of the present invention are not limited thereto, but are merely for describing serial numbers of a plurality of identical or similar devices and mechanisms, and those skilled in the art may readjust the serial numbers for convenience of description or in the technical scheme arranging process; and various embodiments have been described with alternatives to some of the mechanisms, and these alternatives may be applied to other identical or similar devices, mechanisms; and as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
The following describes the technical scheme of the invention in detail through the attached drawings and specific embodiments:
examples
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of an LED optical system (with a light lens hidden) according to a first embodiment of the present invention, fig. 2 is a cross-sectional structural view of the LED optical system according to the first embodiment of the present invention, and fig. 3 is a schematic principle view of the LED optical system according to the first embodiment of the present invention.
The present embodiment provides an LED optical system 1, the LED optical system 1 including: the LED light source 10 includes a light concentrator having a concentrated outlet 21 and a large-area light redirector 40 positioned adjacent to the light concentrator in a first direction.
As shown in fig. 2 and 3, the light concentrator in the present embodiment is an inner reflector 20 configured to concentrate the light emitted from the LED light source 10, and then form an incident light beam 30 emitted in the first direction and having a beam angle θ1 not exceeding 120 ° at the concentration outlet 21, where the incident light ray 31 is any one of the incident light beams 30.
As shown in fig. 2 and 3, all the incident light rays 31 included in the incident light beam 30 enter the large-area light redirector 40, and are reflected by the large-area light redirector 40 to form an outgoing light beam 50 with a beam angle θ2 not exceeding 120 ° emitted along the second direction, where the outgoing light ray 51 is any one of the outgoing light beams 50.
Wherein, as shown in fig. 2 and 3, the first direction and the second direction intersect, and the converging outlet 21 is not on the path of any one of the rays belonging to the outgoing beam 50; the first direction is a direction of the LED light source 10 toward the large-area light redirector 40, and may be a direction of the center line 111 of the light emitting surface 11, and the second direction is a direction intersecting the first direction, for example, a direction perpendicular to the first direction.
As shown in fig. 2, the LED light source 10 and the inner reflector 20 are arranged in a modularized manner, that is, one LED light source 10 is provided with one inner reflector 20 to form one incident unit, and a plurality of incident units are provided with one large-area light diverter 40 to form the LED optical system 1; the modularized arrangement can flexibly form the LED optical system 1 with different light emitting surfaces, is more suitable for life of people, and improves life convenience of people.
In a modification, the LED light source 10, the inner reflector 20 and the inner reflector 20 are arranged in a modularized manner, that is, one LED light source 10 is provided with one inner reflector 20 and then one inner reflector 20 to form one optical unit, and a plurality of optical units are combined to form the LED optical system; the modularized arrangement can flexibly form the LED optical system 1 with different light emitting surfaces, is more suitable for life of people, and improves life convenience of people.
The LED optical system 1 with the eye protection function provided in this embodiment is applied to the lighting fields of automotive signal lamps (such as brake lamps, turn lamps, reading lamps) and the like, and as shown in fig. 2 and 3, the LED optical system 1 is provided with a light collector to accurately collect light emitted by LED lamp beads (LED light sources 10) into an incident light beam 30 with a light beam angle θ1 not greater than 120 °, and is further provided with a big-surface light diverter 40 positioned on the light collector in a first direction, the incident light beam 30 is reflected by the big-surface light diverter 40 to form an emergent light beam 50 with a light beam angle θ2 not greater than 120 ° along a second direction, and light emitted by the LED lamp beads sequentially acts by the light collector and the big-surface light diverter 40 to form a light anti-dazzle angle, so as to achieve the anti-dazzle effect of light, and the light collector accurately collects light emitted by the LED lamp beads, and has sufficient brightness, high optical efficiency, energy conservation and environmental protection; the first direction and the second direction are crossed, the converging outlet 21 of the light converging device is not on the path of any light ray belonging to the emergent light beam 50, namely, the light emitted from the LED lamp beads cannot be irradiated outside the lamp in diameter, but is completely emitted outside the lamp after being diverted by the large-area light diverter 40, and the large-area light diverter 40 is equivalent to a huge luminous surface, so that the light beam is fully utilized, the brightness is ensured, the eyes of people are prevented from directly looking at the strong light emitted by the LED lamp beads, and a healthy LED optical lighting system is provided for people, such as the problem of dazzling of a brake lamp and the like can be solved commonly.
In this embodiment, as shown in fig. 2 and 3, the inner reflector 20 preferably includes a small-diameter start end 20a and a large-diameter end 20c, an inner Zhou Fanguang surface 20b penetrating the small-diameter start end 20a and the large-diameter end 20c is provided, the light emitting surface 11 of the LED light source 10 does not exceed the small-diameter start end of the inner peripheral light emitting surface 20b, and the large-diameter end of the inner peripheral light emitting surface 20b is closer to the large-surface light redirector 40 than the LED light source 10; so that the light emitted by the LED light source 10 can strike the inner peripheral reflective surface 20b, and be efficiently reflected by the inner peripheral reflective surface 20b, and the light is converged to form the incident light beam 30, and then is efficiently reflected by the large-area light redirector 40.
In this embodiment, preferably, the end face of the large diameter end 20c of the inner reflector 20 is further provided with a translucent plate (not shown), and after the light emitted from the LED light source 10 is converged by the inner peripheral reflecting surface 20b, a soft incident beam 30 is formed to be incident on the large surface light redirector 40 through the translucent plate.
In this embodiment, preferably, the light emitting surface 11 of the LED light emitting source 10 is coplanar with the end surface of the small diameter starting end 20a of the inner peripheral light reflecting surface 20b, and a gap 212 is provided between the light emitting surface 11 of the LED light emitting source 10 and the inner Zhou Fanguang surface 20 b; as described above, the inner peripheral reflection surface 20b is ensured to efficiently collect light, and the LED light source 10 and the inner reflector 20 are assembled with ease without interference.
In this embodiment, the inner peripheral reflective surface 20b is preferably formed by combining four independent large reflective planes, so that the light emitting hole of the large-area light redirector 40 is square, further, each large reflective plane is formed by a plurality of micro-planes/curved surfaces, so that the light emitted by the LED lamp beads is reflected by the inner peripheral reflective surface 20b and then is emitted to the large-area light redirector 40 to form a uniform square light spot.
In this embodiment, as shown in fig. 2 and 3, preferably, the center line 111 of the light emitting surface 11 of the LED light emitting source 10 coincides with the center line 211 of the inner reflector 20, that is, the center line 111 of the light emitting surface 11 of the LED light emitting source 10 coincides with the center line 211 of the inner peripheral reflective surface 20b and passes through the large-area light redirector 40; as set forth above, the light emitted by the LED light source 10 is uniformly transmitted to the inner reflector 20, and is uniformly collected by the inner reflector 20 to form a uniform incident beam 30, the incident beam 30 can be uniformly transmitted to the large-area light redirector 40, and finally the light reflected by the large-area light redirector 40 is uniform.
In this embodiment, the large-area light redirector 40 includes a large-area light reflecting surface 41, and the incident light beam 30 is completely incident into the large-area light reflecting surface 41 along the first direction, and the large-area light reflecting surface 41 intersects with both the first direction and the second direction; the large-surface reflecting surface 41 is a drawing plane/curved surface formed by drawing a straight line or a curve, namely the large-surface reflecting surface 41 is a continuous curved surface or a continuous plane; as set forth above, the large area light redirector 40 is enabled to efficiently redirect the incident light beam 30, ensuring brightness.
In this embodiment, preferably, the LED optical system 1 further includes a light-emitting lens 60, the light-emitting beam 50 is emitted toward the light-emitting lens 60 along the second direction, and the light-emitting lens 60 may be a transparent plate or a semitransparent plate, and is generally planar or curved, so that the structural appearance of the LED optical system 1 is regular and beautiful, and the large-area reflective surface 41 is also protected.
Examples
Referring to fig. 4, fig. 4 is a schematic diagram of an LED optical system according to a second embodiment of the present invention.
The difference between this embodiment and the first embodiment is that:
the light concentrator in this embodiment is configured as a converging lens 200, and has a converging outlet 201, as shown in fig. 4, a refractive cavity 200b with an M-shaped cross section is provided in a small diameter start end 200a of the converging lens 200, a refractive convex surface 200d is provided outside a large diameter end 200c of the converging lens 200, and a reflective portion 200e is provided around the outer peripheral surface of the converging lens 200.
In this embodiment, any wall surface of the refraction cavity 200b with an M-shaped cross section is refracted, the cross section of the refraction cavity 200b includes an arc-shaped portion and a flat portion in the middle as shown in fig. 4, the light emitted from the LED light source 10 is refracted to the refraction convex surface 200d for secondary refraction after the light emitted from the LED light source 10 is incident on the arc-shaped portion, and the light reflected from the light reflection portion 200e is reflected after the light emitted from the LED light source 10 is incident on the flat portion; as set forth above, the light emitted from the LED light source 10 is efficiently condensed by the condensing lens 200 to form the incident light beam 300, and the incident light ray 301 is any one of the incident light beams 300.
In this embodiment, the LED optical system 2 is provided with a light collector (a collecting lens 200) to collect the light emitted by the LED lamp beads (the LED light source 10) into an incident light beam 300 with a light beam angle θ11 not greater than 120 °, and then is provided with a big-surface light diverter 40 positioned on the light collector in the first direction, the incident light beam 300 is reflected by the big-surface light diverter 40 to form an outgoing light beam 50 with a light beam angle θ2 not greater than 120 ° along the second direction, and the light emitted by the LED lamp beads forms a light anti-dazzle angle after being acted by the light collector and the big-surface light diverter 40 in sequence, so as to achieve the anti-dazzle effect of the light, and the light collector accurately collects the light emitted by the LED lamp beads, and has sufficient brightness, high optical efficiency, energy conservation and environmental protection.
In the present embodiment, the LED light source 10 is installed in the refraction cavity 200b, and the central line 111 of the light emitting surface 11 of the LED light source 10 coincides with the central line 2011 of the refraction cavity 200b and the refraction convex surface 200d, and passes through the large-area light redirector 40; as set forth above, the light emitted from the LED light source 10 is uniformly incident on the refractive cavity 200b, and is uniformly converged by the converging lens 200 to form a uniform incident light beam 300, and the incident light beam 300 is uniformly incident on the large-area light redirector 40, and finally the light reflected by the large-area light redirector 40 is uniform.
The other components are the same as those of the first embodiment, and will not be described again.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art can make many possible variations and simple substitutions to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the scope of the technical solution of the present invention, and these all fall into the scope of protection of the technical solution of the present invention.
Claims (10)
1. An LED optical system, comprising:
an LED light-emitting source, and,
a light concentrator having a concentrating outlet configured to form an incident light beam emitted in a first direction and having a beam angle of not more than 120 ° at the concentrating outlet after concentrating the emitted light of the LED light emitting source;
the large-area light diverter is positioned on the light converging device in the first direction, and the incident light beam is reflected by the large-area light diverter to form an emergent light beam with a light beam angle of not more than 120 degrees, which is emitted along the second direction;
wherein the first direction and the second direction intersect, and the converging outlet is not in the path of any light ray on the outgoing light beam.
2. The LED optical system of claim 1, wherein a centerline of the light emitting face of the LED light source coincides with a centerline of the converging outlet and passes through the large area light redirector.
3. The LED optical system of claim 2, wherein the light concentrator is configured as an inner reflector comprising an inner perimeter reflective surface, the light emitting surface of the LED light emitting source not exceeding the small diameter beginning of the inner perimeter reflective surface, the large diameter ending of the inner perimeter reflective surface being closer to the large surface light redirector than the LED light emitting source.
4. A LED optical system according to claim 3, wherein the central line of the light emitting face of the LED light source coincides with the central line of the inner peripheral reflective face and passes through the large area light redirector.
5. The LED optical system of claim 4, wherein the light emitting surface of the LED light emitting source is coplanar with the small diameter starting end surface of the inner peripheral light reflecting surface, and a gap is provided between the light emitting surface of the LED light emitting source and the inner peripheral light reflecting surface.
6. The LED optical system according to claim 2, wherein the light collector is a converging lens, a refractive cavity having an M-shaped cross section is provided in a small-diameter start end of the converging lens, a refractive convex surface is provided outside a large-diameter end of the converging lens, and a light reflecting portion is provided around an outer peripheral surface of the converging lens.
7. The LED optical system of claim 6, wherein the LED light source is mounted in the refractive cavity with a centerline of a light emitting face of the LED light source coincident with a centerline of the refractive cavity and passing through the large-area light redirector.
8. The LED optical system of any of claims 1-7, wherein the large area light redirector comprises a large area light reflecting surface into which the incident light beam is fully incident along the first direction, the large area light reflecting surface intersecting both the first direction and the second direction.
9. The LED optical system of claim 8, wherein the large surface reflective surface is continuously curved or continuously planar.
10. The LED optical system of claim 8, further comprising an exit lens, the exit beam exiting in the second direction toward the exit lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311002209.7A CN117146227A (en) | 2023-08-09 | 2023-08-09 | LED optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311002209.7A CN117146227A (en) | 2023-08-09 | 2023-08-09 | LED optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117146227A true CN117146227A (en) | 2023-12-01 |
Family
ID=88899709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311002209.7A Pending CN117146227A (en) | 2023-08-09 | 2023-08-09 | LED optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117146227A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148382A (en) * | 2013-02-07 | 2013-06-12 | 潘殿波 | LED (light emitting diode) luminous module |
| CN103196066A (en) * | 2013-04-19 | 2013-07-10 | 无锡实益达电子有限公司 | Narrow-beam LED lamp optical system and designing method thereof |
| CN109489002A (en) * | 2018-10-26 | 2019-03-19 | 成都恒坤光电科技有限公司 | A kind of lens, using the design method of the lamps and lanterns of the lens and the lens |
| CN110966533A (en) * | 2019-12-30 | 2020-04-07 | 成都派斯光学有限公司 | Illumination optical system and illumination device |
| CN111207366A (en) * | 2020-03-09 | 2020-05-29 | 成都派斯光学有限公司 | Light splitting lens, full-circumference light-emitting lamp and working method thereof |
| CN111948817A (en) * | 2019-05-17 | 2020-11-17 | 未来（北京）黑科技有限公司 | Display device, head-up display and motor vehicle |
| CN218064522U (en) * | 2022-09-27 | 2022-12-16 | 苏州欧普照明有限公司 | Shadow-reducing desk lamp |
-
2023
- 2023-08-09 CN CN202311002209.7A patent/CN117146227A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148382A (en) * | 2013-02-07 | 2013-06-12 | 潘殿波 | LED (light emitting diode) luminous module |
| CN103196066A (en) * | 2013-04-19 | 2013-07-10 | 无锡实益达电子有限公司 | Narrow-beam LED lamp optical system and designing method thereof |
| CN109489002A (en) * | 2018-10-26 | 2019-03-19 | 成都恒坤光电科技有限公司 | A kind of lens, using the design method of the lamps and lanterns of the lens and the lens |
| CN111948817A (en) * | 2019-05-17 | 2020-11-17 | 未来（北京）黑科技有限公司 | Display device, head-up display and motor vehicle |
| CN110966533A (en) * | 2019-12-30 | 2020-04-07 | 成都派斯光学有限公司 | Illumination optical system and illumination device |
| CN111207366A (en) * | 2020-03-09 | 2020-05-29 | 成都派斯光学有限公司 | Light splitting lens, full-circumference light-emitting lamp and working method thereof |
| CN218064522U (en) * | 2022-09-27 | 2022-12-16 | 苏州欧普照明有限公司 | Shadow-reducing desk lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201177211Y (en) | Lens for LED energy conserving lamp | |
| CN102840529B (en) | Emitter signal lamp with concealing light source | |
| EP2802920B1 (en) | Improved optical systems and led luminaires | |
| TW201337172A (en) | Light source module | |
| CN207350245U (en) | Realize the lens subassembly of dipped beam | |
| CN106164581B (en) | Illuminator | |
| CN102792196A (en) | Light guide focussing device and method | |
| CN208919987U (en) | Headlamp and vehicle with it | |
| CN106764942A (en) | Reflection unit and light source module | |
| AU2020294367A1 (en) | Lens and light fixture | |
| WO2010133094A1 (en) | Non-imaging optical directed light distributing method for led illumination light source | |
| CN212961399U (en) | Lens module and street lamp | |
| CN209524445U (en) | A kind of car light lower beam illumination dichroic reflection device, Optical devices and vehicle front lighting lamp assembly | |
| CN117146227A (en) | LED optical system | |
| CN109973931B (en) | Car light low beam lighting spectral reflector, optical device and car head-light assembly | |
| CN111486409A (en) | High light efficiency light guide structure and thick-walled part applying same | |
| CN107489986A (en) | Reflection unit and light source module group | |
| CN216595585U (en) | Optical lens and lamp | |
| CN201093331Y (en) | Light distribution energy-saving lampshade | |
| CN102032527A (en) | Illuminating beam shaping system | |
| CN107798892A (en) | A kind of traffic lights | |
| CN209622686U (en) | Car light lower beam illumination dichroic reflection device, Optical devices and vehicle front lighting lamp assembly | |
| CN209026592U (en) | A kind of floodlight light panel | |
| WO2012014239A1 (en) | Optical system for uniform distribution of light emitted by light sources | |
| CN209262931U (en) | A kind of light penetrating panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |