CN108777256A - A kind of classroom eyeshield LED light - Google Patents
A kind of classroom eyeshield LED light Download PDFInfo
- Publication number
- CN108777256A CN108777256A CN201810417533.8A CN201810417533A CN108777256A CN 108777256 A CN108777256 A CN 108777256A CN 201810417533 A CN201810417533 A CN 201810417533A CN 108777256 A CN108777256 A CN 108777256A
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- Prior art keywords
- light
- prism
- blue light
- led
- sleeve
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
Abstract
The invention discloses a kind of classroom eyeshield LED light, including lampshade, LED luminescence chips, which is characterized in that and further include blue light abatement device, the blue light of the blue light abatement device abatement 400-450nm wavelength and the yellow light of abatement and the wavelength blue light complementation.The present invention is acted on the light projection of different wave length by the light splitting of prism to different positions, is then cut down simultaneously to blue light and with the yellow light of blue light complementation.Blue light injury eyesight had not only been avoided in this way but also can keep the colour rendering of the color balance guarantee light source of light source.
Description
Technical field
This patent belongs to teaching equipment technical field, in particular to a kind of classroom eyeshield LED light.
Background technology
Extensively hair is applied to every field in the prior art to LED light source, and market is obtained with the advantages of its energy conservation and environmental protection
Approval.It has been widely used LED light in the prior art to be illuminated.In the prior art, LED light extensive use
In enterprise, the fields such as education.It is a kind of common lighting apparatus.
But in education sector in application, due to there is the generation of blue light when LED device shines, this is regarded for children's
Power will produce undesirable influence, therefore LED light is also when in use that can not be ignored for the injury of eyesight.In the neck of LED light
Domain usually filters blue light by the way of add blue light optical filtering masking-out, but this method would generally directly remove blue light,
The colour developing of light source can be caused partially yellow, and can also cut down the light of other colors other than cutting down blue light, therefore colour developing effect can be influenced
Fruit, and illumination brightness.
Therefore how ensureing to illuminate color developing effect simultaneously in LED light can filter out that have the blue light of injury to human eye be existing again
There is technical problem to be solved in technology.
Invention content
This patent is based on the demand of the prior art and proposes, the technical problems to be solved by the patent is to provide
A kind of classroom eyeshield LED light instrument, to keep enough colour developings to imitate while blue light harmful to human eye in filtering out LED light source
Fruit.
In order to solve the above-mentioned technical problem, the technical solution of this patent offer includes：
A kind of classroom eyeshield LED light, including lampshade, LED luminescence chips further include blue light abatement device, the blue light
Abatement device cuts down the blue light of 400-450nm wavelength and cuts down the yellow light with the wavelength blue light complementation.
And
A kind of classroom eyeshield LED light, including：LED luminescence chips, according to the LED light of current driven emissive white；Lamp
Cover, the top and side-closed lower part of the lampshade are open opening, on the one hand can gather the light of the LED light
It is projected to the lower part of the LED lamp cover；The classroom eyeshield LED light further includes blue light abatement device；The blue light abatement dress
Set including：Sleeve；It is cylindrical in shape, top and bottom opening, side closing；The upper surface of the sleeve and the lower part of the lampshade are opened
Mouth-shaped matches, and the outer wall of the sleeve is opaque, is arranged to white, the sleeve and the LED light in the sleeve lining
The lampshade bottom of tool is fixedly connected；Convex lens；The convex lens is horizontally installed on the upper end of the sleeve, the convex lens it is upper
The focal position at end is the LED luminescence chips, and the light emitted from the LED luminescence chips becomes after the convex lens
Parallel white light projects；Prism assemblies；It is arranged at the middle part of the sleeve, is located at the lower end of the convex lens；The prism group
Part includes transparent frame, and the shape of the transparent frame and the sleeve matches；Multiple through-holes are formed in the frame, it is described
Through-hole runs through the frame arrangement, and the size of each through-hole is identical, is uniformly arranged；It is provided with prism group in the through-hole,
The first prism of the prism group and the second prism；It tells the first prism and receives the collimated white light from the convex lens simultaneously
The light is divided, a colour band detached after a variety of colors is formed；Second prism, it is axially parallel with first prism
But towards being reversed, the colour band is formed in the upper surface of second prism after the first prism light splitting, it is described
Position corresponding with blue light in the colour band is provided with yellow filter on second prism upper surface, on second prism
Position corresponding with the complementary colours yellow light of blue light described in the colour band is provided with blue colour filter on surface；Second prism
Light in above-mentioned colour band is pooled into white light.Scattering sheet is made of trnaslucent materials, is located at the lower cartridge, will be described
The light that prism assemblies transmission comes is dispersed as the illumination light of all directions.
Preferably, the blue light is blue light of the wavelength between 400-450nm.
This patent is acted on the light projection of different wave length by the light splitting of prism to different positions, then to blue light and
Cut down simultaneously with the yellow light of blue light complementation.Blue light injury eyesight had not only been avoided in this way but also the color balance of light source can be kept to ensure light
The colour rendering in source.
Description of the drawings
Fig. 1 is a kind of structure chart of classroom eyeshield LED light in present embodiment.
Fig. 2 is the structure chart of the frame of prism assemblies.
Fig. 3 is the fundamental diagram of prism assemblies.
Specific implementation mode
Specific implementation of the patent mode is described in detail below, it is pointed out that the specific implementation mode is only
It is the citing to this patent optimal technical scheme, the limitation to the scope of this patent can not be interpreted as.
As shown in Figure 1, present embodiment provides a kind of classroom eyeshield LED light, the LED light includes：LED core
Piece 1, lampshade 2 and blue light cutting device.
In this embodiment, the structure of the prior art may be used to realize in the LED chip and lampshade.It is a kind of
Typical structure is as shown in Figure 1, luminescence chip 1 and lampshade 2, the luminescence chip are used for the transmitting illumination under the driving of electric current and use
Light, the lampshade typically serve to the effect of the structure and the illumination region for guiding light of fixed LED light.The top of the lampshade
Portion and side-closed lower part are open opening, on the one hand can the light of the LED light be brought to the LED lamp cover
Lower part is projected, and eyeshield structure is on the other hand easily installed.For most lighting systems in the prior art, setting is opened
The downward lampshade of mouth is most commonly seen, and is also most simple possible, therefore is used in this embodiment above-mentioned
Lamps and lanterns, which carry out corresponding eyeshield colour developing transformation, can improve the use scope of the eyeshield blue light abatement device, i.e., for the overwhelming majority
For the LED light illuminated in teaching, the present invention can be realized by only needing simply add eyeshield structure, therefore be improved
The practical range of the present invention and for the existing transformation for being mounted with the teaching classroom of LED illumination System and having provided convenience
Scheme.
All emit white light with the LED light in teaching illumination, white light is typically to be made of white light, comprehensive
Closing stimulates to human eye to form the impression of white light, and more by the usual blue light ingredient of white light that LED chip generates, and integrally seems
It is partially blue, and optical fiber of the blue light medium wavelength emitted in LED light between 400-450nm has larger injury for human eye,
If the luminous flux of this some blue light crosses conference and generates deleterious effect to the eyesight of children.Therefore it needs for LED light
Light carries out the processing of abatement blue.As shown in Figure 1, in this embodiment, being set at the lower openings of the LED lamp cover
It is equipped with blue light abatement device.The blue light abatement device includes sleeve 3, convex lens 4, prism assemblies 5 and scattering sheet 6.
The blue light abatement device include a sleeve 3, the sleeve using metal either engineering plastics or it is other compared with
It is made of firm hard material, the outer wall of the sleeve is opaque, can be arranged to white in the sleeve lining, so to the greatest extent
Light is possibly avoided to be absorbed.The sleeve is fixedly connected with the lampshade bottom of the LED lamp, is arranged in the lampshade
At bottom opening.Connection type may be used gluing screw and fix or be screwed etc. a variety of fixed forms, institute
Sleeve is stated to be arranged at the lower ending opening of the LED lamp cover, it in this way can be in order to be transformed for common LED light, simultaneously
The structure of existing LED light is not influenced.The sleeve is cylindrical in shape, top and bottom opening, side closing, the upper table of the sleeve
Face and the lower openings shape of the lampshade match, and are convenient for closely connecting cooperation in this way.
The upper end of the sleeve is provided with convex lens 4, and the upper end focal position of the convex lens is the LED luminescence chips
1, it is projected in this way, the light emitted from the LED luminescence chips can become parallel white light when passing through the convex lens.
The lower end of the convex lens is provided with prism assemblies 5, the prism assemblies include frame 51, the frame and institute
The shape for stating sleeve matches, and the lower section for being located at the convex lens in the sleeve inner is arranged.The frame 51 is using transparent
Material is made, such as acrylic etc., in this way can light transmission as much as possible, multiple through-holes 52 are formed in the frame, it is described
Through-hole runs through the frame arrangement, and the size of each through-hole is identical, is uniformly arranged.Its effect is as shown in Figure 2.
Prism group is provided in the through-hole, the structure of the prism group is as shown in figure 3, include that two directions are opposite
Prism, the first prism 53 receives the directional light sent from the convex lens and is divided the light, due to different wave length
The white light of light composition can be divided into different colours coloured light after encountering prism, therefore the trans- middle use of this specific implementation is upper
Stating prism can be by the decomposition of white light emitted from the LED light at different colors, and can be at the rear of the prism
Form a colour band detached after a variety of colors.In this embodiment, divided first with first prism
Light thus can separate white light in position by decomposition of white light at the colour band including multicolour.When described
After one prism completes light splitting, the light of multiple color is located at the side injection of lower part from first prism.
The lower part of the through-hole is provided with the second prism 54, second prism will be penetrated in first prism
The polychromatic light gone out is mixed into white light by refraction again.For this purpose, second prism and direction be that the first prism level is turned over
Direction after turnback.First prism will distinguish the second prism of directive upper surface after white light color separation by polychromatic light
Different location the second prism upper surface is formed with to the region of blue color in the present invention in order to filter off blue light
Yellow filter 55 is set, the yellow green piece can only by the light of yellow, or can most of the prevent yellow it
Outer other coloured light penetrate, in this way, and blue and yellow are complementary colours, therefore in the setting of the position of second prism
Yellow filter can effectively reduce the intensity of blue light.But due to the LED light source transmitting be white light, if merely will be blue
Colour band weakens, then entire picture can be shown partially yellow, in this case, need to cut the yellow light with blue light complementation in white light simultaneously
Subtract, the coloured light in entire color can be kept to balance in this way so that is whole to be rendered as white.In this embodiment,
Blue color filter 56 is set by forming yellow color band region in the second prism upper surface, to cut down the yellow light.
In addition, according to studies have shown that harmful blue light is only wavelength 400 to the blue light between 440nm, because
Yellow filter is only arranged in this embodiment in this in wavelength at 400 to the blue light between 440nm light belt,
And it is the wavelength and blue color filter is set in 400 to the blue light respective complementary between 440nm yellow color band region.Due to three
The demand that prism can accurately be cut down according to different wave length accurately adjusts the wavelength for the blue light for needing to filter.Simultaneously because waiting
Amount eliminates the yellow light with the wavelength blue light complementation, therefore the colour rendering that still can retain entire light source is unlikely to colour developing and occurs
Deviation.
In this embodiment, not all light projected from the LED light can all be split, because described
Frame is in non-through bore portion without light splitting, and the light in the through-hole is only to have filtered less a part of blue light
And the yellow light with blue light complementation.Therefore LED lamp brightness of illumination and colour rendering can't therefore and significant changes.Subtracting
Few blue light while human eye Shanghai to having no effect on brightness of illumination and color developing effect.
The bottom of the sleeve is provided with softbox, the softbox is located at the lower section of second prism, from
The light that the frame and telling projects in the second prism after the softbox by becoming to project to all directions
Light projects, consequently facilitating illumination.
It is further preferred that at a distance from lampshade bottom and differed due to different lamps and lanterns its LED luminescence chips,
In this embodiment, it is provided with convex lens in the sleeve and adjusts positioning unit.Its structure is as shown in Figure 1.
It includes multiple equally distributed retainer rings 7, inner wall of the retainer ring from the sleeve that the convex lens, which adjusts positioning unit,
Extend to the center of the sleeve, and the retainer ring tilts upward, ensures to have the lens in this way and consolidates enough
Holding power, so as to the stabilization with holding light path.The retainer ring is made of flexible material, such as silica gel etc., when described
Convex lens is maintained at by the support of the retainer ring of lower section on the sleeve in its natural state.And work as the position for needing to adjust the convex lens
When setting, it is only necessary to press down on the convex lens, thus squeeze the retainer ring and deform into next gear.If instead
The lens are pressed up, then may lift up a gear.The distance between each layer retainer ring is equal, therefore can be by by pressing through
The position of the convex lens can be prompted to adjust due to squeezing the retainer ring in journey, with according to the position of different LED light chips
Select suitable convex lens installation position.
Above be only the preferred technical solution of this patent, it is every under the inventive concept of this patent to this patent into
Capable modification is replaced and is deleted due to the technical concept all without departing from this patent, and the protection model for bringing this patent into is should also be as
Within enclosing.
Claims (3)
1. a kind of classroom eyeshield LED light, including lampshade, LED luminescence chips, which is characterized in that
Further include blue light abatement device, the blue light of the blue light abatement device abatement 400-450nm wavelength is simultaneously cut down and the wavelength
The yellow light of blue light complementation.
2. a kind of classroom eyeshield LED light, including：
LED luminescence chips, according to the LED light of current driven emissive white；
Lampshade, the top and side-closed lower part of the lampshade are open opening, on the one hand can be by the light of the LED light
It projects the lower part that line is brought to the LED lamp cover；
It is characterized in that,
The classroom eyeshield LED light further includes blue light abatement device；
The blue light abatement device includes：
Sleeve；It is cylindrical in shape, top and bottom opening, side closing；The lower openings of the upper surface of the sleeve and the lampshade
Shape matches, and the outer wall of the sleeve is opaque, is arranged to white, the sleeve and the LED lamp in the sleeve lining
Lampshade bottom be fixedly connected；
Convex lens；The convex lens is horizontally installed on the upper end of the sleeve, and the focal position of the upper end of the convex lens is institute
LED luminescence chips are stated, the white light that the light emitted from the LED luminescence chips becomes parallel after the convex lens projects；
Prism assemblies；It is arranged at the middle part of the sleeve, is located at the lower end of the convex lens；The prism assemblies include Transparent frame
The shape of frame, the transparent frame and the sleeve matches；Multiple through-holes are formed in the frame, the through-hole is through described
The size of frame arrangement, each through-hole is identical, is uniformly arranged；Prism group, the prism group are provided in the through-hole
One prism and the second prism；The first prism is told to receive the collimated white light from the convex lens and be divided the light,
Form a colour band detached after a variety of colors；Second prism, it is axially parallel with first prism but towards opposite
Setting forms the colour band, second prism after the first prism light splitting in the upper surface of second prism
Position corresponding with blue light in the colour band is provided with yellow filter on upper surface, on second prism upper surface with institute
The corresponding position of complementary colours yellow light for stating blue light described in colour band is provided with blue colour filter；Second prism is by above-mentioned colour band
In light pool white light.Scattering sheet is made of trnaslucent materials, is located at the lower cartridge, the prism assemblies are passed
The light sent is dispersed as the illumination light of all directions.
3. a kind of classroom according to claim 2 eyeshield LED light is it is characterized in that, the blue light is wavelength in 400-
Blue light between 450nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417533.8A CN108777256B (en) | 2018-05-04 | 2018-05-04 | Eyeshield LED lamp for classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417533.8A CN108777256B (en) | 2018-05-04 | 2018-05-04 | Eyeshield LED lamp for classroom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777256A true CN108777256A (en) | 2018-11-09 |
| CN108777256B CN108777256B (en) | 2020-04-28 |
Family
ID=64027023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810417533.8A Active CN108777256B (en) | 2018-05-04 | 2018-05-04 | Eyeshield LED lamp for classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777256B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946881A (en) * | 2019-04-19 | 2019-06-28 | 深圳市中深光电股份有限公司 | A kind of liquid crystal display die set of front light source |
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| CN106299091A (en) * | 2016-10-26 | 2017-01-04 | 厦门乾照照明有限公司 | A kind of structure reducing LED color skew and blue light harm |
| CN107924971A (en) * | 2015-09-02 | 2018-04-17 | 奥斯兰姆奥普托半导体有限责任公司 | Photoelectron subassembly and the method for manufacturing photoelectron subassembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101657671A (en) * | 2007-02-22 | 2010-02-24 | 科锐Led照明科技公司 | Lighting device, means of illumination, filter and filtering method |
| CN104252094A (en) * | 2012-09-28 | 2014-12-31 | 深圳市绎立锐光科技开发有限公司 | Light source system and related projection system |
| CN104638092A (en) * | 2015-01-27 | 2015-05-20 | 易美芯光（北京）科技有限公司 | LED (light emitting diode) encapsulation structure for reducing blue light damage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946881A (en) * | 2019-04-19 | 2019-06-28 | 深圳市中深光电股份有限公司 | A kind of liquid crystal display die set of front light source |
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| Publication number | Publication date |
|---|---|
| CN108777256B (en) | 2020-04-28 |
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Address after: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Industrial Park Liuzhou Road two No. 591 1 floor Patentee after: Xiamen langxing Technology Co.,Ltd. Address before: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Industrial Park Liuzhou Road two No. 591 1 floor Patentee before: XIAMEN LANGXING ENERGY SAVING LIGHTING Co.,Ltd. |
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Denomination of invention: Eye-protection LED lamp for classroom Effective date of registration: 20230214 Granted publication date: 20200428 Pledgee: Bank of China Limited Xiamen hi tech Park sub branch Pledgor: Xiamen langxing Technology Co.,Ltd. Registration number: Y2023980032527 |