CN110260268A - Even optical illumination mould group and its application - Google Patents
Even optical illumination mould group and its application Download PDFInfo
- Publication number
- CN110260268A CN110260268A CN201910552034.4A CN201910552034A CN110260268A CN 110260268 A CN110260268 A CN 110260268A CN 201910552034 A CN201910552034 A CN 201910552034A CN 110260268 A CN110260268 A CN 110260268A
- Authority
- CN
- China
- Prior art keywords
- light
- even optical
- mould group
- optical illumination
- illumination mould
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- 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
- F21V7/05—Optical design plane
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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]
Abstract
A kind of even optical illumination mould group and its application, the even optical illumination mould group include: shell, and inner wall is with diffusing reflection surface characteristic and inner bottom surface has specular reflection surface characteristic；Light-emitting component is installed inside the housing, for providing light source；Even optical element is installed inside the housing, for homogenizing light source；Light-emitting surface, setting are used for output light source in cover top portion.The total height of the configuration of the present invention is simple, manufacture difficulty and at low cost, and even optical mode group is lower than 10mm, and the even light near field of better quality is realized under lesser thickness and volume.
Description
Technical field
The invention belongs to semiconductor lighting and wearable optoelectronic areas, relates generally to a kind of even optical illumination mould group and its answer
With.
Background technique
In illumination, display, the fields such as decoration, medical treatment, clean environment, sterilizing have a wide range of applications LED light source.?
In these applications, need to form light source into a certain size, the uniform illumination with regular shape as far as possible on objective plane
Distribution.However, LED light source is Lambertian source, the illumination if direct use in target face is in cos4θ relationship is successively decreased rapidly,
Central part illumination is higher, and the decline of peripheral portion illumination is obvious, and especially at short distance, the range of single chip irradiation is very
It is small, hardly result in the uniform hot spot of irradiation.
Traditional even smooth mode has the even light of fly's-eye lens, the even light of optical tunnel and the even light of free-form surface lens.Wherein compound eye
Lens are to be combined to be formed by a series of lenslets, are needed the light beam parallel with optical axis by focusing on second after first piece of lens
At the center of block lens, the optical axis of two column fly's-eye lenses is parallel to each other, and condenser, receiving screen are placed after secondary series fly's-eye lens
It is placed on the focal plane of condenser and is formed uniform illumination system, but the system is collimated firstly the need of by light, and
Subsequent to need to carry out optically focused, entire even photosystem volume is larger, complicated for operation.Optical tunnel generally uses quartz glass, and light is in light
Multiple reflections inside stick, every secondary reflection can all form virtual light source picture, and multiple reflections form two-dimensional virtual light source matrix, thus
So that light is more uniform.Optical tunnel is with the increase of length, and uniformity is presented concussion and rises, therefore the even light in order to obtain
Effect, length needs are arranged very long.Free-form surface lens may be implemented to redistribute luminous energy, have small in size, efficiency
The advantages that accurate controllable and design freedom of height, light type is high, but receiving plane needs a certain distance ability in fact apart from light source
Existing large area Uniform Illumination, and for ultraviolet leds, applicable quartz glass difficulty of processing is larger.
Summary of the invention
In view of this, one of main object of the present invention is to propose a kind of even optical illumination mould group and its application, to extremely
Partially solve at least one of above-mentioned technical problem.
To achieve the goals above, as one aspect of the present invention, a kind of even optical illumination mould group is provided, comprising:
Shell, inner wall is with diffusing reflection surface characteristic and inner bottom surface has specular reflection surface characteristic；
Light-emitting component is installed inside the housing, for providing light source；
Even optical element is installed inside the housing, for homogenizing light source；
Light-emitting surface, setting are used for output light source in cover top portion.
As another aspect of the present invention, a kind of even optical illumination mould group as described above is additionally provided in semiconductor lighting
With the application of wearable optoelectronic areas.
Based on the above-mentioned technical proposal it is found that even optical illumination mould group and its application of the invention at least has compared with the existing technology
There is one of following advantage:
(1) the total height of the configuration of the present invention is simple, manufacture difficulty and at low cost, and even optical mode group is lower than 10mm, smaller
Thickness (6-10mm) and volume (4200-20000mm3) under realize the even light near field of better quality.
(2) the even optical illumination mould group of this short distance, the light of single led sending pass through the diffusing reflection of abrasive segments and outer casing inner wall
The reflex of effect and shell inner bottom surface is receiving on screen at the position light-emitting surface 1mm, in the region diameter 30-50mm
Reach uniform Illumination Distribution, realizes the purpose of the even light of short distance large area.
(3) structure of the invention is simple, production is simple, at low cost, can be realized the even light in better quality near field.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the even optical illumination mould group of short distance in the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the section structure of the even optical illumination mould group of short distance in the embodiment of the present invention 1；
Fig. 3 is the simulation Illumination Distribution figure of the even optical illumination mould group of short distance in the embodiment of the present invention 1；
Fig. 4 is the schematic diagram of the section structure of the even optical illumination mould group of short distance in the embodiment of the present invention 2.
In upper figure, appended drawing reference meaning is as follows:
1- shell；2- substrate；3- light-emitting component；The even optical element of 4-；5- reflecting paper；6- light-emitting surface；7- receives screen.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
The invention discloses a kind of even optical illumination mould groups, comprising:
Shell, inner wall is with diffusing reflection surface characteristic and inner bottom surface has specular reflection surface characteristic；
Light-emitting component is installed inside the housing, for providing light source；
Even optical element is installed inside the housing, for homogenizing light source；
Light-emitting surface, setting are used for output light source in cover top portion.
Wherein, the material that the light-emitting surface uses is translucent material；
Wherein, the even optical element is parallel with enclosure bottom.
Wherein, the even optical illumination mould group includes for providing the substrate of electrical connection for light-emitting component, and substrate is mounted on
Outer casing bottom, the light-emitting component are installed on substrate；
Wherein, the substrate is fixed on outer casing bottom by cohesive material；
Wherein, on the substrate evaporation metal reflecting layer or be equipped with reflecting paper.
Wherein, the outer casing bottom is equipped with aperture, and the substrate lead for being electrically connected light-emitting component is equipped in aperture；
Wherein, the diameter of the aperture is 2-4mm.
Wherein, the material that the shell uses includes any one of metal, plastics, glass or ceramics；
Wherein, the diffusing reflection surface characteristic of the outer casing inner wall is real by evaporation metal diffusing reflection layer or patch diffusing reflection paper
Existing；
Wherein, the specular reflection surface characteristic of the shell inner bottom surface is real by evaporation metal reflecting layer or patch reflecting paper
Existing.
Wherein, the light-emitting component includes LED light source；
Wherein, the LED light source includes ultraviolet light, any one or more of combination of visible or infrared light；
Wherein, the LED light source includes LED chip or LED package；
Wherein, the LED chip is having a size of 0.2 × 0.2 × 0.1-1 × 1 × 0.5mm3, LED chip structure is formal dress,
Dress or vertical structure；
Wherein, the light-emitting component is connect by gold thread or welding manner with substrate.
Wherein, the even optical element is made of several abrasive segments；
Wherein, the diameter of the abrasive segments is 3-50mm, with a thickness of 0.4-2mm；
Wherein, the material that the abrasive segments use includes any one of sapphire, quartz, glass；
Wherein, the abrasive segments are single side abrasive segments or two-sided abrasive segments；
Wherein, the abrasive segments be single side abrasive segments be interior of shell abrasive segments frosted direction be towards light-emitting component,
And the frosted direction of the abrasive segments of shell exterior is towards light-emitting surface；
Wherein, one layer of mirror plate reflective metal is deposited in the abrasive segments or is equipped with reflecting paper.
Wherein, the height of the even optical illumination mould group is less than or equal to 10mm；
Wherein, the even optical illumination mould group with a thickness of 6-10mm；
Wherein, the volume 4200-20000mm of the even optical illumination mould group3。
Wherein, the even optical illumination mould group is the region 30-50mm receiving to shield at the position light-emitting surface 1mm in diameter
Interior uniformity of illuminance is greater than or equal to 0.7.
The invention also discloses a kind of even optical illumination mould groups as described above to lead in semiconductor lighting and wearable photoelectron
The application in domain.
In one embodiment, the present invention is for example, by using following technical solution:
A kind of even optical illumination mould group of short distance, including shell, substrate, light-emitting component, even optical element.The outer casing inner wall tool
There is diffusing reflection surface characteristic, inner bottom surface has specular reflection surface characteristic；The substrate is fixed on enclosure bottom, is light-emitting component
Electrical connection is provided；The light-emitting component is LED；The emergent light of LED light source will be by repeatedly anti-in shell and even optical element
It penetrates, is emitted by light-emitting surface, realize even light.In a preferred embodiment, the present invention is for example, by using following technical solution:
A kind of even optical illumination mould group of short distance, comprising: shell, substrate, light-emitting component and even optical element；
The shell, inner wall have diffusing reflection surface characteristic, and inner bottom surface has specular reflection surface characteristic；
The substrate, is mounted on outer casing bottom, can also be embedded in shell hollow out, has and interconnects and install bare chip or envelope
The supporting role of cartridge chip and the effect for being thermally conducted to air for generating light-emitting component；
The light-emitting component, is installed on substrate；
The even optical element, installation are inside the shell, parallel with enclosure bottom.
Wherein, the bottom of the shell is equipped with aperture, for passing through substrate lead.
Wherein, the light-emitting component includes the different types LED light source such as ultraviolet light, visible light and infrared light.
Wherein, the LED light source includes LED chip or LED package.
Wherein, even optical element is made of multi-disc abrasive segments, and the material of abrasive segments can be the materials such as sapphire, quartz, glass
Material.
Wherein, the abrasive segments in even optical element can be single side frosted or two-sided frosted, if being single side frosted, in shell
Its frosted direction of the abrasive segments in portion is towards light-emitting component, and the frosted direction of shell most external abrasive segments is towards light-emitting surface.
Wherein, the diameter range of the abrasive segments in even optical element is 3-50mm.
In another embodiment, the present invention is for example, by using following technical solution:
A kind of even optical illumination mould group of short distance, comprising: shell, substrate, light-emitting component and even optical element；The outer casing inner wall
With diffusing reflection surface characteristic, inner bottom surface has specular reflection surface characteristic, and sheathing material can be metal or plastics, bottom
Aperture allows the conducting wire on substrate to pass through；The substrate is mounted on outer casing bottom, has and interconnects and install bare chip or encapsulation core
The supporting role of piece and the effect for being thermally conducted to air for generating light-emitting component；The light-emitting component is installed on substrate,
Including the different types LED light source such as ultraviolet light, visible light and infrared light, light source includes LED chip or LED encapsulation chip；It is described
Even optical element, inside the shell, parallel with enclosure bottom, even optical element is made of multi-disc abrasive segments, and the material of abrasive segments can for installation
Think the materials such as sapphire, quartz, glass, abrasive segments are single side frosted, its frosted direction of the abrasive segments of interior of shell is court
To light-emitting component, and the frosted direction of shell most external abrasive segments is towards light-emitting surface.The light issued from light source, by abrasive segments and
The multiple diffusing reflection of outer casing inner wall and the reflex of shell inner bottom surface, achieve the effect that even light.
Below in conjunction with the attached drawing in specific embodiment, the technical solution in the present invention is clearly and completely described.This
It is a little that examples are only for illustrating the present invention and not for limiting the scope of the present invention.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment 1
A kind of even optical illumination mould group of short distance, in conjunction with shown in Fig. 1-2, to the even illumination of short distance provided by the embodiments of the present application
Bright mould group is described in detail.Its structure includes: shell 1, substrate 2, light-emitting component 3 and even optical element 4.
Wherein, 1 diameter of shell is 30-50mm, is highly less than or equal to 10mm, and shell uses metal, plastics, glass or ceramics
Material, outer casing inner wall have diffusing reflection surface characteristic, with evaporation metal diffusing reflection layer or can stick diffusing reflection paper.Bottom in shell
With properties of specular reflection, with evaporation metal reflecting layer or reflecting paper can be sticked.An aperture is made in outer casing bottom, diameter is about
3mm passes through the conducting wire on substrate.
Wherein, substrate 2 is mounted on 1 lower center position of shell, has and interconnects and install bare chip or encapsulate the branch of chip
The effect for being thermally conducted to air support effect and generate light-emitting component.Substrate 2 is fixed on 1 bottom of shell by cohesive material
Reflecting paper evaporation metal reflecting layer or is sticked on substrate 2 by portion.
Wherein, light-emitting component 3 is placed on the center of substrate 2, light-emitting component 3 include ultraviolet light, visible light and infrared light etc. no
Same type LED light source, light source include LED chip or LED encapsulation chip, and chip size is millimeter magnitude, and structure is formal dress, upside-down mounting
Or vertical structure.The light-emitting component 1 is connect by gold thread or welding manner with substrate, is connected to realize with the electrical of substrate
It connects.
Wherein, even optical element 4 is made of multi-disc abrasive segments, and the position of abrasive segments can use metallic support or plastic stent
Fixed, the material of abrasive segments can be the materials such as sapphire, quartz, glass, and the directions of abrasive segments can be towards a left side or towards the right side, frosted
Piece can be single side frosted or two-sided frosted, if abrasive segments are single side frosted, its frosted direction of the abrasive segments of interior of shell is
Towards light-emitting component, and the frosted direction of shell most external abrasive segments is towards light-emitting surface.Outermost layer abrasive segments position is fixed, shell
Abrasive segments position in 1 can change between chip and outermost layer abrasive segments.2 pieces of the quantity > of abrasive segments, and diameter is in 3-
Change between 50mm.The light issued from light source, multiple diffusing reflection and shell inner bottom surface by abrasive segments and outer casing inner wall
Reflex achievees the effect that even light.Fig. 3 is the optical analog of the even optical illumination mould group of short distance of the present embodiment as a result, receiving
The distance between screen and light-emitting surface are 1mm, it is seen that form uniform Illumination Distribution within diameter 50mm, greatly reduce light source
Quantity saved cost.
Embodiment 2
As shown in figure 4, embodiment 2 difference from example 1 is that: be deposited one in the abrasive segments in the shell 1
Layer mirror plate reflective metal sticks reflecting paper 5, and abrasive segments number can suitably reduce, and in this design, is emitted from light-emitting component 3
Light a part pass through side wall of outer shell diffusing reflection, another part light by abrasive segments center mirror-reflection and surrounding remain
Remaining frosted area scattering, no light directly pass through reflecting layer and are irradiated to light-emitting surface center, so that center brightness value reduces.Wherein
The diameter in reflecting layer can change.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of even optical illumination mould group characterized by comprising
Shell, inner wall is with diffusing reflection surface characteristic and inner bottom surface has specular reflection surface characteristic；
Light-emitting component is installed inside the housing, for providing light source；
Even optical element is installed inside the housing, for homogenizing light source；
Light-emitting surface, setting are used for output light source in cover top portion.
2. even optical illumination mould group as described in claim 1, which is characterized in that
The material that the light-emitting surface uses is translucent material.
3. even optical illumination mould group as described in claim 1, which is characterized in that
The even optical element is parallel with enclosure bottom；
Preferably, the even optical illumination mould group includes for providing the substrate of electrical connection for light-emitting component, substrate is mounted on
Outer casing bottom, the light-emitting component are installed on substrate；
Preferably, the substrate is fixed on outer casing bottom by cohesive material；
Preferably, on the substrate evaporation metal reflecting layer or be equipped with reflecting paper.
4. even optical illumination mould group as described in claim 1, which is characterized in that
The outer casing bottom is equipped with aperture, and the substrate lead for being electrically connected light-emitting component is equipped in aperture；
Preferably, the diameter of the aperture is 2-4mm.
5. even optical illumination mould group as described in claim 1, which is characterized in that
The material that the shell uses includes any one of metal, plastics, glass or ceramics；
Preferably, the diffusing reflection surface characteristic of the outer casing inner wall is real by evaporation metal diffusing reflection layer or patch diffusing reflection paper
Existing；
Preferably, the specular reflection surface characteristic of the shell inner bottom surface is real by evaporation metal reflecting layer or patch reflecting paper
Existing.
6. even optical illumination mould group as described in claim 1, which is characterized in that
The light-emitting component includes LED light source；
Preferably, the LED light source includes ultraviolet light, any one or more of combination of visible or infrared light；
Preferably, the LED light source includes LED chip or LED package；
As further preferred, the LED chip is having a size of 0.2 × 0.2 × 0.1-1 × 1 × 0.5mm3, LED chip structure is positive
Dress, upside-down mounting or vertical structure；
Preferably, the light-emitting component is connect by gold thread or welding manner with substrate.
7. even optical illumination mould group as described in claim 1, which is characterized in that
The even optical element is made of several abrasive segments；
Preferably, the diameter of the abrasive segments is 3-50mm, with a thickness of 0.4-2mm；
Preferably, the material that the abrasive segments use includes any one of sapphire, quartz, glass；
Preferably, the abrasive segments are single side abrasive segments or two-sided abrasive segments；
As further preferred, it be the abrasive segments frosted direction of interior of shell is towards shining that the abrasive segments, which are single side abrasive segments,
Element, and the frosted direction of the abrasive segments of shell exterior is towards light-emitting surface；
Preferably, one layer of mirror plate reflective metal is deposited in the abrasive segments or is equipped with reflecting paper.
8. even optical illumination mould group as described in claim 1, which is characterized in that
The height of the even optical illumination mould group is less than or equal to 10mm；
Preferably, the even optical illumination mould group with a thickness of 6-10mm；
Preferably, the volume 4200-20000mm of the even optical illumination mould group3。
9. even optical illumination mould group as described in claim 1, which is characterized in that
The even optical illumination mould group is receiving on screen at the position light-emitting surface 1mm in the illumination that diameter is in the region 30-50mm
The uniformity is greater than or equal to 0.7.
10. a kind of lead such as the described in any item even optical illumination mould groups of claim 1-9 in semiconductor lighting and wearable photoelectron
The application in domain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552034.4A CN110260268B (en) | 2019-06-24 | 2019-06-24 | Uniform light illumination module and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552034.4A CN110260268B (en) | 2019-06-24 | 2019-06-24 | Uniform light illumination module and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110260268A true CN110260268A (en) | 2019-09-20 |
| CN110260268B CN110260268B (en) | 2021-02-12 |
Family
ID=67921003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552034.4A Active CN110260268B (en) | 2019-06-24 | 2019-06-24 | Uniform light illumination module and application thereof |
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| CN110680937A (en) * | 2019-11-08 | 2020-01-14 | 中国科学院半导体研究所 | Ultraviolet LED light uniformizing device and application thereof |
| CN111271657A (en) * | 2020-03-06 | 2020-06-12 | 中国科学院半导体研究所 | Regular N-edge intelligent LED light guide plate illumination device for aquaculture and manufacturing method |
| CN114569752A (en) * | 2022-03-09 | 2022-06-03 | 中山市光圣半导体科技有限公司 | Self-monitoring deep ultraviolet LED sterilization module arranged oppositely |
| CN114979820A (en) * | 2022-04-15 | 2022-08-30 | 深圳市安卫普科技有限公司 | Intelligent meter reading device, remote meter reading method and system |
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| CN114979820A (en) * | 2022-04-15 | 2022-08-30 | 深圳市安卫普科技有限公司 | Intelligent meter reading device, remote meter reading method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110260268B (en) | 2021-02-12 |
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