CN103383087A - LED cyclorama light - Google Patents
LED cyclorama light Download PDFInfo
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- CN103383087A CN103383087A CN2013103003100A CN201310300310A CN103383087A CN 103383087 A CN103383087 A CN 103383087A CN 2013103003100 A CN2013103003100 A CN 2013103003100A CN 201310300310 A CN201310300310 A CN 201310300310A CN 103383087 A CN103383087 A CN 103383087A
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Abstract
The invention provides an LED cyclorama light which can uniformly illuminate a curtain in an asymmetric and large-area manner, has high efficiency, and is characterized by comprising an LED array provided with luminous surfaces positioned on the same plane, a baseplate enabling an LED array light source and the curtain to form a certain angle, a bottom reflecting plate arranged on one side edge of the baseplate closest to the curtain, a back reflecting plate arranged on the other side edge of the baseplate, two lateral reflecting plates arranged on the baseplate oppositely, and a base used for supporting, wherein the center position of the LED array is near to the side of the baseplate away from the curtain; the inner surfaces of the bottom reflecting plate and the back reflecting plate are reflecting surfaces, and are used for reflecting partial light sources emitted by the LED array; the bottom reflecting plate gradually extends towards the curtain with a certain angle based on the emitting angle to enable the light sources to be reflected to an area away from the curtain; the back reflecting plate gradually extends towards the curtain with a certain angle based on the emitting angle to enable strong light to be reflected to the area away from the curtain and enable weak light to be reflected to the area less away from the curtain.
Description
Technical field
The present invention relates to a kind of LED strip-light lamp for stage background illumination, particularly a kind of curtain in stage background is carried out LED strip-light lamp asymmetric, large-area Uniform Illumination.
Background technology
Strip-light lamp is a kind of stage lamp for the stage background illumination, for stage provides an asymmetrical Uniform Illumination light field.Traditional strip-light lamp, its light source mainly adopts halogen tungsten lamp, there is very large defective in halogen tungsten lamp in power consumption and heat radiation, when stage used, halogen tungsten lamp was 90% electric energy conversion that heat energy dissipates, and not only efficient is low, the stardom also has strong burning heat sensation on the face, the service life of halogen tungsten lamp while is not long, often changes light fixture, causes use cost to increase.
LED light source is high because having light efficiency, long service life, and the advantages such as energy-conserving and environment-protective had been widely used in all kinds of illuminating lamps, projection lamp etc. in recent years.Adopt undoubtedly LED as the light source of strip-light lamp, can overcome preferably the defects of traditional strip-light lamp.Because the characteristics of luminescence of LED is lambert's cosine radiator, realize the light field of an asymmetric Uniform Illumination, must carry out secondary optical design.Publication number can produce the light field of asymmetric Uniform Illumination for the invention of CN102927502A provides a kind of high-power LED strip-light lamp based on penalty method, but this invention does not take into full account the utilization ratio of luminous flux, causes a lot of luminous fluxes to be wasted.
Summary of the invention
The present invention carries out in order to address the above problem, and purpose is to provide a kind of Uniform Illumination that not only can realize the large tracts of land stage canopy of the heavens, and improves the utilization rate of luminous flux, reduces LED strip-light lamp and the LED strip-light lamp assembly of luminous flux waste.
in order to achieve the above object, provided by the inventionly a kind of curtain is carried out LED strip-light lamp asymmetric, large-area Uniform Illumination, have such feature, have: LED array comprises that at least one light-emitting area is in the LED in same plane, substrate, be used for to install LED array make by the light source of LED array outgoing and and curtain between have certain shooting angle, bottom reflecting plate is arranged on a side of the most close act of substrate, comprises at least inclined-plane, a bottom, the back reflection plate relatively is arranged on another side of substrate with bottom reflecting plate, comprises at least a back bevel, two sidepiece reflecting plates, being arranged on substrate in opposite directions, and be connected with bottom reflecting plate with the back reflection plate, and base, be used for supporting LED array, substrate, bottom reflecting plate, back reflection plate and two sidepiece reflecting plates, wherein, the center of LED array is near the side away from curtain of substrate, the inner surface of the inner surface of bottom reflecting plate and back reflection plate is reflecting surface, come the reflecting part by the light source of LED array outgoing, at least one inclined-plane, bottom, progressively extend so that light source reflexes to the remote areas of curtain on the direction of curtain at a certain angle at the side by substrate based on shooting angle, at least one back bevel, progressively extend so that the highlights in light source reflexes to the remote areas of curtain on the direction of curtain at a certain angle at another side by substrate based on shooting angle, the low light level is reflected to the inferior remote areas of curtain.
Further, in LED strip-light lamp of the present invention, can also have such feature: wherein, by the light source of LED array outgoing, form: direct projection direct light to the curtain; Reflex to the bottom reflection light of the remote areas of curtain through bottom reflecting plate; And reflex to the remote areas of curtain, the back reflection light of inferior remote areas through the back reflection plate.
Further, in LED strip-light lamp of the present invention, can also have such feature: wherein, the material of reflecting surface is any one in metallic reflective material and coated reflection material.
Further, in LED strip-light lamp of the present invention, can also have such feature: wherein, the quantity on inclined-plane, bottom is 2, a side by substrate begins to be respectively the first inclined-plane, bottom and the second inclined-plane, bottom, and the angle between the first inclined-plane, bottom and act perpendicular direction is less than the angle between the second back bevel and act perpendicular direction.
Further, in LED strip-light lamp of the present invention, can also have such feature: wherein, the quantity of back bevel is 2, another side by substrate begins to be respectively the first back bevel and the second back bevel, and the first back bevel is connected with another side of substrate, and toward away from deviation on the direction of curtain, the second back bevel is connected with the first back bevel, and toward near the curtain direction on deviation.
Further, in LED strip-light lamp of the present invention, can also have such feature: wherein, curtain can satisfy surface texture asymmetric, large-area Uniform Illumination for a kind of.
Further, in LED strip-light lamp of the present invention, can also have such feature: wherein, when LED array comprises a plurality of LED, a plurality of LED are arranged at least one row, and light-emitting area is all towards curtain, and between the LED in each row, central axis overlaps mutually, and equidistantly arrange, bottom reflecting plate and back reflection plate with direction that central axis parallels on extend respectively and be arranged on two sides of substrate.
in addition, the present invention also provides a kind of curtain is carried out LED strip-light lamp asymmetric, large-area Uniform Illumination, has such feature, has: LED array comprises that at least one light-emitting area is in the LED in same plane, substrate, be used for to install LED array make by the light source of LED array outgoing and and curtain between have certain shooting angle, bottom reflecting plate is arranged on the side of the most close curtain of substrate, has the first camber longitudinal cross-section, the back reflection plate relatively is arranged on another side of substrate with bottom reflecting plate, has the second camber longitudinal cross-section, two sidepiece reflecting plates, being arranged on substrate in opposite directions, and be connected with bottom reflecting plate with the back reflection plate, and base, be used for supporting LED array, substrate, bottom reflecting plate, back reflection plate and two sidepiece reflecting plates, wherein, the center of LED array is near the side away from curtain of substrate, the inner surface of the inner surface of bottom reflecting plate and back reflection plate is reflecting surface, come the reflecting part by the light source of LED array outgoing, the first camber longitudinal cross-section, progressively extend so that light source reflexes to the remote areas of curtain on the direction of curtain at a certain angle at the side by substrate based on shooting angle, the second camber longitudinal cross-section, progressively extend so that the highlights in light source reflexes to the remote areas of curtain on the direction of curtain at a certain angle at another side by substrate based on shooting angle, the low light level is reflected to the inferior remote areas of curtain.
In addition, the present invention also provides a kind of LED strip-light lamp assembly that curtain is carried out large tracts of land, asymmetrical Uniform Illumination, has such feature, have: a plurality of at least LED strip-light lamps, wherein, the light-emitting area of every two LED strip-light lamps all with certain angle towards curtain, and axially to be symmetrical arranged as axle with the perpendicular direction of curtain, the LED strip-light lamp is the LED strip-light lamp in above-mentioned any one.
Effect of the present invention:
A kind of LED strip-light lamp provided by the invention and LED strip-light lamp assembly, by with the light-emitting area of LED towards curtain, so that the light source of LED emission shines on curtain by the direct projection mode so that certain shooting angle is as much as possible, reducing via the reflection loss that reflection was brought to light source of back reflection plate and bottom reflecting plate, thereby improve the LED efficiency of light energy utilization.Further, on the basis of above-mentioned direct projection, reasonably construct reflecting surface by back reflection plate and bottom reflecting plate, the light that has reduced reflection and directly escaped, and light source is reflexed to remote areas, the inferior remote areas of curtain, reaching the luminous flux that efficiently utilizes LED to send, and realize asymmetric, large-area Uniform Illumination.When the LED that uses equal-wattage threw light on to curtain, LED strip-light lamp of the present invention and LED strip-light lamp assembly can provide better lighting effect.Perhaps in the situation that illumination requirement is identical, the LED quantity that LED strip-light lamp of the present invention and LED strip-light lamp assembly use than other designs still less.
Description of drawings
Fig. 1 is the structural representation of a kind of LED strip-light lamp in embodiment provided by the present invention;
Fig. 2 is the side view of a kind of LED strip-light lamp in embodiment provided by the present invention;
Fig. 3 is the optical schematic diagram of a kind of LED strip-light lamp in embodiment provided by the present invention; And
Fig. 4 is the optical schematic diagram that is used in conjunction with of a kind of LED strip-light lamp assembly in embodiment provided by the present invention.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
＜embodiment 〉
Fig. 1 is the structural representation of a kind of LED strip-light lamp in embodiment provided by the present invention.
As shown in Figure 1, in the present embodiment, LED strip-light lamp 10 comprises LED array 11, substrate 12, bottom reflecting plate 13, back reflection plate 14, two sidepiece reflecting plates 15 and base 16.This LED strip-light lamp 10 can carry out asymmetric, large-area Uniform Illumination to the curtain that does not show in Fig. 1.
Bottom reflecting plate 13 is arranged on the side of the most close curtain of substrate 12, and by angle shown in Figure 1 as can be known, this bottom reflecting plate 13 is arranged on the side of close front bottom of substrate 12.Bottom reflecting plate 13 comprises inclined-plane, two bottoms, is respectively the first inclined-plane, bottom 13a and the second inclined-plane, bottom 13b.
Bottom reflecting plate 13 and back reflection plate 14 are arranged on two sides of substrate 12 extending respectively on the direction that the central axis with LED array 11 parallels.
Two sidepiece reflecting plates 15 on two other side that is arranged on substrate 12 in opposite directions, and are connected with bottom reflecting plate 13 with back reflection plate 14, are used for limiting the light source that parallels with the central axis of LED array 11 on direction.
Base 16 is connected with substrate 12, is used for supporting LED array 11, substrate 12, bottom reflecting plate 13, back reflection plate 14 and two sidepiece reflecting plates 15.In the present embodiment, the material of substrate 12 and base 16 all adopts the good aluminium of heat-conductivity conducting performance, and substrate 12 just can be fixedly mounted on base 16 by Heat Conduction Material, and is dispelled the heat by base 16.Certainly, in the present invention, the material of substrate 12 and base 16 can also adopt the good material of other heat-conductivity conducting performances.
The inner surface of the inner surface of bottom reflecting plate 13 and back reflection plate 14 is reflecting surface, reflects the part light source by the light source of LED array 11 outgoing, and in the present embodiment, the material of reflecting surface adopts metallic reflective material, also can adopt the coated reflection material.
Fig. 2 is the side view of a kind of LED strip-light lamp in embodiment provided by the present invention.
As shown in Figure 2, in the present embodiment, LED strip-light lamp 10 can carry out asymmetric, large-area Uniform Illumination to the curtain 100 of usually using in stage background.By the light source of LED array 11 outgoing and and this act 100 between have certain shooting angle.Curtain 100 is placed perpendicular to horizontal plane, in order not block spectators to the sight line of stage background, generally, LED strip-light lamp 10 can be placed on the position near any one side of curtain 100, shown in Fig. 2, in the present embodiment, LED strip-light lamp 10 just is placed near the downside of curtain 100 and the position that keeps one section horizontal range, and curtain 100 is carried out asymmetric, large-area Uniform Illumination.So, come near the position with respect to the far away, near of LED strip-light lamp 10, with curtain 100 minutes for Three regions: the regional 100a nearby from LED strip-light lamp 10 close to, remote areas 100b from LED strip-light lamp 10 away from, and than remote areas 100b from LED strip-light lamp 10 the inferior remote areas 100c close to more.
The first inclined-plane, bottom 13a and the second inclined-plane, bottom 13b progressively extend on the direction of curtain 100 at the side by substrate 12 based on the shooting angle of light source, at a certain angle so that light source reflexes to the remote areas 100b of curtain 100.The first inclined-plane, bottom 13a is connected with a side of substrate 12, and the second inclined-plane, bottom 13b is connected with the first inclined-plane, bottom 13a.A side by substrate 12 begins, and substrate 12, the first inclined-plane, bottom 13a and the second inclined-plane, bottom 13b are integrally formed.Included angle A between the first inclined-plane, bottom 13a and curtain 100 perpendicular directions is less than the included angle B between the second back bevel 14b and described act of 100 perpendicular directions.
The first back bevel 14a and the second back bevel 14b, shooting angle based on light source progressively extends on the direction of curtain 100 at a certain angle at another side by substrate 12, so that the highlights in light source reflexes to the inferior remote areas 100c that remote areas 100b, the low light level of curtain 100 are reflected to curtain 100.The first back bevel 14a is connected with another side of substrate 12, and toward away from deviation on the direction of curtain 100.The second back bevel 14b is connected with the first back bevel 14a, toward near deviation on curtain 100 direction.Another side by substrate 12 begins, and substrate 12, the first back bevel 14a and the second back bevel 14b are integrally formed.
As shown in Figure 2, in the present embodiment, can being positioned over LED strip-light lamp 10 on ground or hanging in the air, will be set as X-axis with the central axial direction of LED array 11, being set as Y-axis with the bearing of trend of curtain 100, will be Z axis with the perpendicular direction setting of curtain 100.
LED strip-light lamp 10 is being 294mm along the total height on Y direction, and the width on X-direction is 300mm.
The light-emitting area of LED array 11 and the angle C between Z axis are 30 °.
Have 162.8 ° of angles between the inner surface of the inner surface of the first back bevel 14a and the second back bevel 14b.The first back bevel 14a is connected with substrate 12,12 one-tenth 124.7 ° of angles of the inner surface of the first back bevel 14a and substrate, namely and the angle D between the Z axis positive direction be 94.7 °, the length of the first back bevel 14a is 49.2mm.Angle E between the inner surface of the second back bevel 14b and Z axis positive direction is 77.5 °, and the length of the second back bevel 14b is 206.8mm.
Have 175 ° of angles between the inner surface of the inner surface of the first inclined-plane, bottom 13a and the second inclined-plane, bottom 13b.The first inclined-plane, bottom 13a is connected with substrate 12,12 one-tenth 125 ° of angles of the inner surface of the first inclined-plane, bottom 13a and substrate, namely and the included angle A between the Z axis positive direction be 25 °, the development length of the first inclined-plane, bottom 13a is 21.6mm, and the height between Z axis is 9mm.Inner surface and the included angle B between the Z axis positive direction of the second inclined-plane, bottom 13b are 30 °, and the development length of the second inclined-plane, bottom 13b is 52.1mm, and the height between Z axis is 26mm.
Fig. 3 is the optical schematic diagram of a kind of LED strip-light lamp in embodiment provided by the present invention.
In the present embodiment, according to the substrate 12 with said structure feature, bottom reflecting plate 13, back reflection plate 14, as shown in Figure 3, the light source of being launched by the LED array 11 of LED strip-light lamp 10 has formed direct light, bottom reflection light, back reflection light.
This direct light is that the light source direct projection of being launched by LED array 11 is to described curtain 100 and form.
Light source by LED array 11 is launched has just formed this bottom reflection light on the remote areas 100b that reflexes to curtain 100 through bottom reflecting plate 13.
By the light source that LED array 11 is launched, the remote areas 100b, the inferior remote areas 100c that reflex to curtain 100 of process back reflection plate 14 have just formed back reflection light.
With regard to general structure, according to the light source of the LED in LED array 11 institute outgoing, be approximately to satisfy lambert's cosine radiator, the light source of 11 outgoing of LED array, its light distribution is I
θ=I
0* cos θ.Wherein, the highlights that light intensity is stronger can shine the remote areas 100b of curtain 100, and the more weak low light level part of light intensity can shine the regional 100a nearby of curtain 100.Observe square distance according to intensity of illumination distribution and be directly proportional law as can be known, the illuminance of the remote areas 100b of curtain 100 obviously just lower than the illuminance of regional 100a nearby of curtain 100, also just can't realize uniform asymmetric light field at all.Thereby, the LED strip-light lamp 10 of the present embodiment, by further with after the reflection through back reflection plate 14 and bottom reflecting plate 13 of the outgoing light source of LED array 11, shine remote areas 100b, the inferior remote areas 100c of curtain 100, thereby, can obtain a uniform asymmetric light field on curtain 100.
By finding out in Fig. 3, by the light source of 11 outgoing of LED array, divide for direct light, bottom reflection light, these three parts of back reflection light, substantially all shine on curtain 100, only have a part of light seldom not shine on curtain 100, and cause the loss of light energy.
In the present embodiment, be 10 meters with the height setting of curtain 100, width is 10 meters, the horizontal range between LED strip-light lamp 10 and curtain 100 is 2 meters.According to light distribution I
θ=I
0* cos θ and rim ray principle are calculated, the luminous flux that the direct light that can obtain LED array 11 partly shines curtain 100 accounts for 64% of total light flux, it is 22% that the luminous flux that the reverberation that is comprised of bottom reflection light, back reflection light partly shines curtain 100 accounts for total light flux, and the reflectivity that is the reflecting material of considering that the reflecting surface of bottom reflecting plate 13, back reflection plate 14 adopts here is the luminous flux accounting that obtains under 70% prerequisite.Therefore, direct light adds that partly the total light flux utilization rate of reverberation part can be up to 86%.LED array 11 becomes 30 ° of angles with Z axis, on irradiation curtain 100, if the luminous flux of known LED array 11, could be according to lambert's cosine radiator light distribution I
θ=I
0* cos θ, and intensity of illumination distribution observes the square distance law that is directly proportional can obtain illuminance on curtain 100.
Fig. 4 is the optical schematic diagram that is used in conjunction with of a kind of LED strip-light lamp assembly in embodiment provided by the present invention.
As shown in Figure 4, in the present embodiment, LED strip-light lamp assembly 20 has adopted two LED strip-light lamps 10.Certainly, LED strip-light lamp assembly 20 of the present invention also can adopt at least two LED strip-light lamps 10 to come in twos in groups.For example, the concrete just size of curtain is determined, the upper and lower side position that can allow many group LED strip-light lamps 10 be positioned near curtain 100 perhaps, allows other one group of LED strip-light lamp 10 be positioned over left and right side position near curtain 100.
The light-emitting area of every two LED strip-light lamps 10 all with certain angle towards curtain 100, and take with the perpendicular direction in the center of curtain 100 as axle, these two LED strip-light lamps 10 are for axially being symmetrical arranged.
Thereby, in the situation that actual stage uses, can according to the size of stage, place a plurality of LED strip-light lamp assemblys 20 as shown in Figure 4, through suitable adjustment placement location, just can form asymmetric, a large-area uniform illumination light field on the curtain 100 of stage.
The effect of embodiment and effect
A kind of LED strip-light lamp that the present embodiment provides and LED strip-light lamp assembly, by with the light-emitting area of LED towards curtain, so that the light source of LED emission shines on curtain by the direct projection mode so that certain shooting angle is as much as possible, reducing via the reflection loss that reflection was brought to light source of back reflection plate and bottom reflecting plate, thereby improve the LED efficiency of light energy utilization.Further, on the basis of above-mentioned direct projection, reasonably construct reflecting surface by back reflection plate and bottom reflecting plate, the light that has reduced reflection and directly escaped, and light source is reflexed to remote areas, the inferior remote areas of curtain, reaching the luminous flux that efficiently utilizes LED to send, and realize asymmetric, large-area Uniform Illumination.When the LED that uses equal-wattage threw light on to curtain, the LED strip-light lamp of the present embodiment and LED strip-light lamp assembly can provide better lighting effect.Perhaps in the situation that illumination requirement is identical, the LED quantity that the LED strip-light lamp of the present embodiment and LED strip-light lamp assembly use than other designs still less.
In the present embodiment, under the prerequisite of the Uniform Illumination that satisfies curtain, the efficiency of light energy utilization of LED strip-light lamp is higher, can adjust distance and the quantity of the combination of LED strip-light lamp and curtain according to height and the width of curtain simultaneously, satisfies the Uniform Illumination of curtain.
In the present embodiment, bottom reflecting plate is formed by inclined-plane, two bottoms, and the back reflection plate is formed by two back bevels, and adopting such structure is to consider, under the prerequisite of the Uniform Illumination that can reach curtain, the technique of the present embodiment is simple, saves cost.
In the present embodiment, for the requirement of the illumination that meets in embodiment curtain, LED array has adopted the LED of optimal quantity and power, and the above-mentioned arrangement mode that central axis overlaps mutually is also to have considered compactness on the surface structure and optimal case attractive in appearance.
Above-mentioned embodiment is preferred case of the present invention, is not used for limiting protection scope of the present invention.
In the above-described embodiments, bottom reflecting plate is formed by inclined-plane, two bottoms, and the back reflection plate is formed by two back bevels.In the present invention, the same incomplete structure that has identical explanation, bottom reflecting plate can also by at least one the bottom inclined-plane form, the back reflection plate can also be formed by at least one back bevel.At least one inclined-plane, bottom progressively extends so that light source reflexes to the remote areas of curtain on the direction of curtain at the side by substrate at a certain angle based on shooting angle.At least one back bevel progressively extends so that the highlights in light source reflexes to the inferior remote areas that remote areas, the low light level of curtain are reflected to curtain on the direction of curtain at another side by substrate at a certain angle based on shooting angle.In addition, in the present invention, the same incomplete structure that has identical explanation, bottom reflecting plate can also be for having the first camber longitudinal cross-section, the back reflection plate can also be for having the second camber longitudinal cross-section.Progressively extend so that light source reflexes to the remote areas of curtain on the direction of curtain at the side by substrate at a certain angle based on shooting angle this first camber longitudinal cross-section.Progressively extend so that the highlights in light source reflexes to the inferior remote areas that remote areas, the low light level of curtain are reflected to curtain on the direction of curtain at another side by substrate at a certain angle based on shooting angle this second camber longitudinal cross-section.
In the above-described embodiments, LED array comprises that five light-emitting areas are in the LED in same plane, in the present invention, the same incomplete structure that has identical explanation, LED array can comprise that also at least one light-emitting area is in the LED in same plane, wherein, when comprising a plurality of described LED, a plurality of LED are arranged at least one row, and light-emitting area is all towards described curtain, and between the described LED in each row, central axis overlaps mutually and equidistantly arranges.
In the present invention, the same incomplete structure that has identical explanation, curtain can satisfy surface texture asymmetric, large-area Uniform Illumination for a kind of, for example adopts curtain wall, curtain all to be fine.
Claims (9)
1. one kind is carried out LED strip-light lamp asymmetric, large-area Uniform Illumination to curtain, it is characterized in that having:
LED array comprises that at least one light-emitting area is in the LED in same plane;
Substrate, be used for installing described LED array make by the light source of described LED array outgoing and and described curtain between have certain shooting angle;
Bottom reflecting plate is arranged on a side of the most close described act of described substrate, comprises at least inclined-plane, a bottom;
The back reflection plate relatively is arranged on another side of described substrate with described bottom reflecting plate, comprises at least a back bevel;
Two sidepiece reflecting plates, being arranged on described substrate in opposite directions, and be connected with described bottom reflecting plate with described back reflection plate; And
Base is used for supporting described LED array, described substrate, described bottom reflecting plate, described back reflection plate and described two sidepiece reflecting plates,
Wherein, the side away from curtain of the close described substrate in the center of described LED array,
The inner surface of the inner surface of described bottom reflecting plate and described back reflection plate is reflecting surface, comes the reflecting part by the described light source of described LED array outgoing,
Described at least one inclined-plane, bottom progressively extends so that described light source reflexes to the remote areas of described curtain on the direction of described curtain at the side by described substrate at a certain angle based on described shooting angle,
Described at least one back bevel progressively extends so that the highlights in described light source reflexes to the inferior remote areas that remote areas, the low light level of described curtain are reflected to described curtain on the direction of described curtain at another side by described substrate at a certain angle based on described shooting angle.
2. a kind of LED strip-light lamp according to claim 1 is characterized in that:
Wherein, by the described light source of described LED array outgoing, form:
Direct projection is to the upper direct light of described curtain;
Reflex to the bottom reflection light of the remote areas of described curtain through described bottom reflecting plate; And
Reflex to the remote areas of described curtain, the back reflection light of inferior remote areas through described back reflection plate.
3. a kind of LED strip-light lamp according to claim 1 is characterized in that:
Wherein, the material of described reflecting surface is any one in metallic reflective material and coated reflection material.
4. a kind of LED strip-light lamp according to claim 1 is characterized in that:
Wherein, the quantity on inclined-plane, described bottom is 2, begins to be respectively the first inclined-plane, bottom and the second inclined-plane, bottom by a side of described substrate,
Angle between the perpendicular direction of described the first inclined-plane, bottom and described curtain is less than the angle between described the second back bevel and described act of perpendicular direction.
5. a kind of LED strip-light lamp according to claim 1 is characterized in that:
Wherein, the quantity of described back bevel is 2, begins to be respectively the first back bevel and the second back bevel by another side of described substrate,
Described the first back bevel is connected with another side of described substrate, and toward away from deviation on the direction of described curtain,
Described the second back bevel is connected with described the first back bevel, and toward near deviation on the direction of described curtain.
6. a kind of LED strip-light lamp according to claim 1 is characterized in that:
Wherein, described curtain can satisfy surface texture asymmetric, large-area Uniform Illumination for a kind of.
7. a kind of LED strip-light lamp according to claim 1 is characterized in that:
Wherein, when described LED array comprised a plurality of described LED, a plurality of described LED were arranged at least one row, and light-emitting area is all towards described curtain,
Between described LED in each row, central axis overlaps mutually, and equidistantly arranges,
Described bottom reflecting plate and described back reflection plate with direction that described central axis parallels on extend respectively and be arranged on two sides of described substrate.
8. one kind is carried out LED strip-light lamp asymmetric, large-area Uniform Illumination to curtain, it is characterized in that having:
LED array comprises that at least one light-emitting area is in the LED in same plane;
Substrate, be used for installing described LED array make by the light source of described LED array outgoing and and described curtain between have certain shooting angle;
Bottom reflecting plate is arranged on the side of the most close described curtain of described substrate, has the first camber longitudinal cross-section;
The back reflection plate relatively is arranged on another side of described substrate with described bottom reflecting plate, has the second camber longitudinal cross-section;
Two sidepiece reflecting plates, being arranged on described substrate in opposite directions, and be connected with described bottom reflecting plate with described back reflection plate; And
Base is used for supporting described LED array, described substrate, described bottom reflecting plate, described back reflection plate and described two sidepiece reflecting plates,
Wherein, the side away from curtain of the close described substrate in the center of described LED array,
The inner surface of the inner surface of described bottom reflecting plate and described back reflection plate is reflecting surface, comes the reflecting part by the described light source of described LED array outgoing,
Progressively extend so that described light source reflexes to the remote areas of described curtain on the direction of described curtain at the side by described substrate at a certain angle based on described shooting angle described the first camber longitudinal cross-section,
Progressively extend so that the highlights in described light source reflexes to the inferior remote areas that remote areas, the low light level of described curtain are reflected to described curtain on the direction of described curtain at another side by described substrate at a certain angle based on described shooting angle described the second camber longitudinal cross-section.
9. one kind is carried out LED strip-light lamp assembly asymmetric, large-area Uniform Illumination to curtain, it is characterized in that having:
At least a plurality of LED strip-light lamps,
Wherein, the light-emitting area of every two described LED strip-light lamps all with certain angle towards described curtain, and axially being symmetrical arranged as axle with the perpendicular direction of described curtain,
Described LED strip-light lamp is that the claims 1 are to the LED strip-light lamp described in claim 8 any one.
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| CN2013103003100A CN103383087A (en) | 2013-07-17 | 2013-07-17 | LED cyclorama light |
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| CN2013103003100A CN103383087A (en) | 2013-07-17 | 2013-07-17 | LED cyclorama light |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10378730B2 (en) | 2016-11-03 | 2019-08-13 | Electronic Theatre Controls, Inc. | Cyc light |
| CN110220139A (en) * | 2019-06-25 | 2019-09-10 | 北京高光环艺照明设计有限公司 | A kind of means of illumination of feature wall |
| CN111076117A (en) * | 2019-12-25 | 2020-04-28 | 胡培佳 | Split type shadowless lighting system composed of light source group and large-area backdrop reflector |
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| CN201779594U (en) * | 2009-10-22 | 2011-03-30 | 上海彩煌光电科技有限公司 | Novel LED (light-emitting diode) tunnel lamp reflection shield |
| CN202403190U (en) * | 2011-11-18 | 2012-08-29 | 鹤山市银雨照明有限公司 | Asymmetrical light distribution structure of LED projection lamp |
| CN102927502A (en) * | 2012-11-09 | 2013-02-13 | 上海理工大学 | High-power light-emitting diode (LED) cyclorama lamp based on compensation method |
| CN203431604U (en) * | 2013-07-17 | 2014-02-12 | 上海理工大学 | LED curtain lamp and LED curtain lamp assembly |
Cited By (4)
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| US10378730B2 (en) | 2016-11-03 | 2019-08-13 | Electronic Theatre Controls, Inc. | Cyc light |
| DE102017125693B4 (en) | 2016-11-03 | 2023-01-26 | Electronic Theatre Controls, Inc. | Cyk lighting |
| CN110220139A (en) * | 2019-06-25 | 2019-09-10 | 北京高光环艺照明设计有限公司 | A kind of means of illumination of feature wall |
| CN111076117A (en) * | 2019-12-25 | 2020-04-28 | 胡培佳 | Split type shadowless lighting system composed of light source group and large-area backdrop reflector |
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Application publication date: 20131106 |