CN207849279U - Ultra thin optical lens - Google Patents
Ultra thin optical lens Download PDFInfo
- Publication number
- CN207849279U CN207849279U CN201820183805.8U CN201820183805U CN207849279U CN 207849279 U CN207849279 U CN 207849279U CN 201820183805 U CN201820183805 U CN 201820183805U CN 207849279 U CN207849279 U CN 207849279U
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- China
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- eyeglass
- lenticular body
- ultra thin
- optical lens
- optical
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Abstract
The utility model discloses a kind of ultra thin optical lens, including lenticular body and eyeglass, the bottom surface of the lenticular body is equipped with the incident chamber for placing light source, the upper surface of the lenticular body is set as first optical flat vertical with emergent ray, the bottom surface of the lenticular body surrounds the reflecting surface that incident chamber is set as outwardly convex, it is provided with the eyeglass parallel with the first optical surface above the lenticular body, the eyeglass is transparent piece shape, and the spacer thickness of first optical surface and eyeglass is 0.1 0.3mm；It is described incidence chamber surface radian be set as light source first optical flat of directive after incident chamber surface refraction enters lenticular body, through the first optical flat total reflection after and directive reflecting surface；The surface radian of the reflecting surface is set as the light being totally reflected by the first optical flat and is projected through eyeglass by vertical first optical flat after reflective surface.The utility model has the advantages that thickness only has the 1/4 1/2 of conventional lenses, suitable for taking formula lighting apparatus.
Description
Technical field
The utility model is related to LED lens, there was only the 1/4-1/2 of conventional lenses more particularly, to a kind of thickness, are suitable for
Take the ultra thin optical lens of formula lighting apparatus.
Background technology
LED light source is due to small, power consumption is low, service life is long, high brightness, many merits such as low in calories, mesh
Before obtained extensive concern and the application of people, be based on this, LED light source technology is also rapidly developed, and people are dedicated to leading to
Cross the various performances that technological improvement improves LED light source.The beam angle of LED light source is about 110~120 degree, can apply general shine
Light field closes, but beam angle is not big enough, and optical energy utilization efficiency is not high.In order to solve this technical problem, people are in LED light source module
In LED component on use secondary light-distribution lens, designed by the shape of the plane of incidence and exit facet to lens, had as needed
Effect utilizes luminous energy.The LED lens height of existing most of Portable illumination equipment is in 10mm or so, design of this lens in product
In be not suitable for the application of Portable lighting device.
Invention content
The utility model aim, which is to provide a kind of thickness, to be only had the 1/4-1/2 of conventional lenses, is set suitable for taking formula illumination
Standby ultra thin optical lens.
The utility model realized by following technical measures, a kind of ultra thin optical lens, including lenticular body and eyeglass, institute
The bottom surface for stating lenticular body is equipped with the incident chamber for placing light source, and the upper surface of the lenticular body is set as vertical with emergent ray the
The bottom surface of one optical flat, the lenticular body surrounds the reflecting surface that incident chamber is set as outwardly convex, is set above the lenticular body
It is equipped with the eyeglass parallel with the first optical surface, the eyeglass is transparent piece shape, the interval thickness of first optical surface and eyeglass
Degree is 0.1-0.3mm；The surface radian of the incidence chamber is set as light source directive after incident chamber surface refraction enters lenticular body
First optical flat, through the first optical flat total reflection after and directive reflecting surface；The surface radian of the reflecting surface be set as by
The light of first optical flat total reflection is projected by vertical first optical flat after reflective surface through eyeglass.
The lenticular body upper periphery is provided with protrusion as a preferred method, and the eyeglass is fixed in protrusion.
The integral thickness of the lenticular body and eyeglass is less than 5mm as a preferred method,.
The spacer thickness of first optical surface and eyeglass is 0.2mm as a preferred method,.
The height of the lenticular body is 2.5mm as a preferred method, and the thickness of the eyeglass is 1mm.
The mirror surface plating, which is equipped with, as a preferred method, returns luminescent material coating.
The luminescent material coating that returns is aluminium doping silicon dioxide as a preferred method,.
The eyeglass is anti-reflection tempered glass piece as a preferred method,.
The incident chamber surface is a circular conical surface as a preferred method, and circular conical surface is π/3 to the subtended angle of light source.
The lenticular body and eyeglass are integrally formed as a preferred method, and first light of interval is pulled out in centre
The thin chamber of the air of face and eyeglass.
The utility model forms an optical system by lenticular body and eyeglass, and a 0.1- is formed among the two
The thin chamber of air of 0.3mm thickness, the light that light source projects enter lenticular body through incident chamber surface refraction, then the first optics of directive
Plane through the first optical flat total reflection after and directive reflecting surface, by the first optical flat total reflection light by reflective surface
Vertical first optical flat is projected through eyeglass afterwards.Light is carried out coupling arrangement by the incident chamber surface of this utility model, makes it
With good propagation angle；First optical flat and the thin chamber of the air of top coordinate, and create total reflection condition；Reflecting surface light
It is emitted with vertical first optical flat direction.First optical flat is isolated from the outside world by lens protection, avoid because it is dirty and draw
The reasons such as wound destroy total reflection condition, and refraction (conventional design is unirefringence) twice has occurred in lenticular body, makes for light
Mirror can be made thinner, only the 1/4-1/2 of conventional lenses.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model embodiment.
Fig. 2 is cross-sectional view when the utility model embodiment works.
Fig. 3 is the light path schematic diagram of the utility model embodiment.
Fig. 4 is the cross-sectional view that the utility model is integrally formed embodiment.
Specific implementation mode
With reference to embodiment and compares attached drawing the utility model is described in further detail.
A kind of ultra thin optical lens, referring to figs. 1 to Fig. 3, including lenticular body 200 and eyeglass 100, the lenticular body 200
Bottom surface is equipped with the incident chamber 204 for placing light source 300, and the upper surface of the lenticular body 200 is set as vertical with emergent ray the
The bottom surface of one optical flat 201, the lenticular body 200 surrounds the reflecting surface 203 that incident chamber 204 is set as outwardly convex, described
200 top of lenticular body is provided with the eyeglass 100 parallel with the first optical surface 201, and the eyeglass 100 is transparent piece shape, described
The spacer thickness of first optical surface 201 and eyeglass 100 is 0.1-0.3mm；The surface radian of the incidence chamber 204 is set as light source
300 after incident chamber surface 205 is refracted into lenticular body 200 the first optical flat of directive 201, it is complete through the first optical flat 201
After reflection and directive reflecting surface 203；What the surface radian of the reflecting surface 203 was set as being totally reflected by the first optical flat 201
Vertical first optical flat 201 is projected through eyeglass 100 after light is reflected by reflecting surface 203.
This lens forms an optical system by lenticular body 200 and eyeglass 100, and a 0.1- is formed among the two
The thin chamber of air of 0.3mm thickness, the light that light source 300 projects are refracted into lenticular body 200 through incident chamber surface 205, then penetrate
It is complete by the first optical flat 201 to the first optical flat 201 after the total reflection of the first optical flat 201 and directive reflecting surface 203
Vertical first optical flat 201 is projected through eyeglass 100 after the light of reflection is reflected by reflecting surface 203.The incident chamber table of this lens
Light is carried out coupling arrangement by face 205, makes it have good propagation angle；First optical flat 201 and the air of top are thin
Chamber coordinates, and creates total reflection condition；203 light of reflecting surface is emitted with vertical first optical flat, 201 direction.First optical flat
201 are protected by eyeglass 100, are isolated from the outside world, and avoid destroying total reflection condition because of reasons such as dirty and scuffings, light is in lens
Refraction (conventional design is unirefringence) twice has occurred in body 200, so that lens is made thinner, only the 1/ of conventional lenses
4-1/2。
The ultra thin optical lens of the utility model, referring to figs. 1 to Fig. 2, in front on the basis of technical solution specifically, thoroughly
200 upper periphery of mirror body is provided with protrusion 202, and the eyeglass 100 is fixed in protrusion 202.
The ultra thin optical lens of the utility model, referring to figs. 1 to Fig. 2, in front on the basis of technical solution specifically, thoroughly
The integral thickness of mirror body 200 and eyeglass 100 is less than 5mm.
The ultra thin optical lens of the utility model, referring to figs. 1 to Fig. 2, in front on the basis of technical solution specifically, the
The spacer thickness of one optical surface 201 and eyeglass 100 is 0.2mm.
The ultra thin optical lens of the utility model, referring to figs. 1 to Fig. 2, in front on the basis of technical solution specifically, thoroughly
The height of mirror body 200 is 2.5mm, and the thickness of the eyeglass 100 is 1mm.
The ultra thin optical lens of the utility model, referring to figs. 1 to Fig. 2, in front on the basis of technical solution specifically, instead
The plating of 203 surface of face is penetrated equipped with efficiently luminescent material coating is returned, returns the preferred aluminium doping silicon dioxide of luminescent material coating.Reflecting surface 203 is adopted
With luminescent material coating is returned, full transmitting (conventional design dependence full transmitting) is not depended on, lens is allow to be made thinner.
The ultra thin optical lens of the utility model, referring to figs. 1 to Fig. 2, in front on the basis of technical solution specifically, mirror
Piece 100 is anti-reflection tempered glass piece, to increase intensity and translucent effect.
The utility model ultra thin optical lens optical path analysis, with reference to figure 3, incident chamber surface 205 is a circular conical surface, circular cone
Subtended angle in face of light source 300 is π/3.
Incident chamber surface 205 can be a circular conical surface, and refractive index n, circular conical surface is π/3, circular cone to the subtended angle of light source
Face is θ with horizontal sextant angle；Light is θ 1 in the incidence angle of circular conical surface, and refraction angle in lenticular body 200 is θ 2, light with it is vertical
Angular separation is θ x, and the tangent line angle with horizontal plane of 203 section of corresponding reflecting surface is θ y；
θ y are expressed as fixed operation function f and act on θ x
∵ θ 1=θ-θ x θ y=(θ-θ 2)/2sin θ 1/sin θ 2=n ∴ θ y=n*f (θ x) θ x ∈ [0, π/3]
In a kind of integrated molding ultra thin optical lens, with reference to 4, it is specifically on the basis of technical solution in front, lenticular body
It is integrally formed with eyeglass, the thin chamber of air of interval first optical surface and eyeglass is pulled out in centre.Can equally it reach above-mentioned
Effect.
It is that the utility model ultra thin optical lens are expounded above, is used to help understand the utility model, but this
The embodiment of utility model is simultaneously not restricted to the described embodiments, any without departing from changing made by under the utility model principle
Become, modification, substitute, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (10)
1. a kind of ultra thin optical lens, it is characterised in that：Including lenticular body and eyeglass, the bottom surface of the lenticular body, which is equipped with, places light
The upper surface of the incident chamber in source, the lenticular body is set as first optical flat vertical with emergent ray, the lenticular body
Bottom surface surrounds the reflecting surface that incident chamber is set as outwardly convex, and the mirror parallel with the first optical surface is provided with above the lenticular body
Piece, the eyeglass are transparent piece shape, and the spacer thickness of first optical surface and eyeglass is 0.1-0.3mm；The incidence chamber
Surface radian be set as light source first optical flat of directive after incident chamber surface refraction enters lenticular body, it is flat through the first optics
Face total reflection after and directive reflecting surface；The surface radian of the reflecting surface be set as the light being totally reflected by the first optical flat by
Vertical first optical flat is projected through eyeglass after reflective surface.
2. ultra thin optical lens according to claim 1, it is characterised in that：The lenticular body upper periphery is provided with protrusion, institute
Eyeglass is stated to be fixed in protrusion.
3. ultra thin optical lens according to claim 1, it is characterised in that：The integral thickness of the lenticular body and eyeglass is less than
5mm。
4. ultra thin optical lens according to claim 1, it is characterised in that：The spacer thickness of first optical surface and eyeglass
For 0.2mm.
5. ultra thin optical lens according to claim 1, it is characterised in that：The height of the lenticular body is 2.5mm, the mirror
The thickness of piece is 1mm.
6. ultra thin optical lens according to claim 1, it is characterised in that：The mirror surface plating, which is equipped with, returns luminescent material plating
Layer.
7. ultra thin optical lens according to claim 6, it is characterised in that：The luminescent material coating that returns is that aluminium adulterates titanium dioxide
Silicon.
8. ultra thin optical lens according to claim 1, it is characterised in that：The eyeglass is anti-reflection tempered glass piece.
9. ultra thin optical lens according to claim 1, it is characterised in that：The incidence chamber surface is a circular conical surface, circle
The conical surface is π/3 to the subtended angle of light source.
10. ultra thin optical lens according to claim 1, it is characterised in that：The lenticular body and eyeglass are integrally formed, in
Between pull out one interval the first optical surface and eyeglass the thin chamber of air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183805.8U CN207849279U (en) | 2018-02-01 | 2018-02-01 | Ultra thin optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183805.8U CN207849279U (en) | 2018-02-01 | 2018-02-01 | Ultra thin optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207849279U true CN207849279U (en) | 2018-09-11 |
Family
ID=63410470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820183805.8U Active CN207849279U (en) | 2018-02-01 | 2018-02-01 | Ultra thin optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207849279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224363A (en) * | 2018-02-01 | 2018-06-29 | 深圳市朗恒电子有限公司 | Ultra thin optical lens |
-
2018
- 2018-02-01 CN CN201820183805.8U patent/CN207849279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224363A (en) * | 2018-02-01 | 2018-06-29 | 深圳市朗恒电子有限公司 | Ultra thin optical lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 2 / F and 3 / F, west side of building a, Xinghong science and Technology Park, 111 Reservoir Road, fenghuanggang community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen langheng Lighting Technology Co.,Ltd. Address before: 8 / F, building 2, dongfangming industrial city, 83 Dabao Road, Xin'an 33 District, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN LANGHENG ELECTRICAL Co.,Ltd. |
|
| CP03 | Change of name, title or address |