CN113503470A - Light source profile conversion structure - Google Patents
Light source profile conversion structure Download PDFInfo
- Publication number
- CN113503470A CN113503470A CN202110863615.7A CN202110863615A CN113503470A CN 113503470 A CN113503470 A CN 113503470A CN 202110863615 A CN202110863615 A CN 202110863615A CN 113503470 A CN113503470 A CN 113503470A
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- Prior art keywords
- light
- light source
- transparent
- face
- reflecting
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 18
- 235000009537 plain noodles Nutrition 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Images
Classifications
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- 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
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light source profile conversion structure, which comprises a light source base, a point light source, a transparent light-emitting surface and a reflecting curved surface, the point light source is fixedly arranged on the light source base, the transparent light-emitting surface is fixedly arranged on one side of the light source base, the reflecting curved surface is surely arranged above the light source base, the reflecting curved surface is formed by splicing a plurality of sub reflecting surfaces, each sub reflecting surface is opposite to the light rays emitted by the point light source within a set angle range, the light emitted by the point light source is reflected by each sub-reflecting surface to form parallel light vertical to the transparent light-emitting surface, the parallel light is emitted out through the transparent light-emitting surface, the invention utilizes the structural principle of a free-form surface optical machine, by controlling the angle of each sub-reflecting surface in the reflecting curved surface, a single or a plurality of LEDs are directly converted into a collimating surface light source, so that the LED collimating surface light source has ultrahigh lighting effect and extremely low light loss, is beneficial to heat dissipation design, and achieves the aims of environmental protection and energy saving.
Description
Technical Field
The invention relates to the field of light source conversion, in particular to a light source profile conversion structure.
Background
The LED is a point light source emitting light to the periphery (Lambertian), no directional collimation secondary light source with uniform light intensity is formed at present, and an optical component is turned into a circular light source (such as an optical fiber tube) in a common method, but the uniformity cannot be controlled, the light emitting direction is also disordered, and the light effect loss is large.
Disclosure of Invention
In order to overcome the defects, the invention provides a light source profile conversion structure which has ultrahigh light efficiency and extremely low light loss, is beneficial to heat dissipation design and achieves the aims of environmental protection and energy saving.
The invention adopts the technical scheme for solving the technical problems that: the utility model provides a light source profile transform structure, includes light source base, pointolite, transparent play plain noodles and reflection curved surface, pointolite fixed mounting is on light source base, and transparent play plain noodles fixed mounting is in light source base one side, and the reflection curved surface is confirmed to be installed in light source base top, the reflection curved surface is formed by the concatenation of a plurality of sub-plane of reflection, and every sub-plane of reflection is just right with the light within the set angle scope of pointolite transmission, the light of pointolite transmission forms the parallel light on the transparent play plain noodles of perpendicular to after each sub-plane of reflection reflects, the parallel light jets out through transparent play plain noodles.
As a further improvement of the invention, the two sides of the light source base along the extending direction of the parallel light are also provided with a front light guide surface and a rear light guide surface, the front light guide surface and the rear light guide surface are inclined surfaces, a V-shaped structure is formed between the front light guide surface and the rear light guide surface, and the rear light guide surface is fixedly connected with the lower end of the reflecting curved surface.
As a further improvement of the invention, the light guide device is also provided with an upper light guide surface and a lower light guide surface, wherein the upper light guide surface and the lower light guide surface are respectively and fixedly arranged at the upper side and the lower side of the transparent light emitting surface, the upper light guide surface and the lower light guide surface are horizontal planes vertical to the light transmitting light emitting surface, two ends of the upper light guide surface are respectively connected with the upper end of the transparent light emitting surface and the upper end of the reflecting curved surface, and two ends of the lower light guide surface are respectively connected with the lower end of the transparent light emitting surface and the upper end of the front light guide surface.
As a further improvement of the invention, the LED light source is further provided with a left light filtering surface and a right light filtering surface, and the left light filtering surface and the right light filtering surface seal two ends of a cylindrical structure formed by the light source base, the transparent light emitting surface, the reflecting curved surface, the front light guiding surface, the rear light guiding surface, the upper light guiding surface and the lower light guiding surface.
As a further improvement of the invention, the left light filtering surface, the right light filtering surface, the front light guiding surface, the rear light guiding surface, the upper light guiding surface and the lower light guiding surface are all natural total reflection surfaces.
As a further improvement of the invention, the light source base is a plane structure formed by light-transmitting materials, and the point light source is fixedly arranged on the outer side of the light source base.
As a further improvement of the invention, the light source base is of a narrow strip structure with the width consistent with that of the point light source.
As a further improvement of the invention, the light emitting field of the point light source is cut into a plurality of angle light beams along the transverse direction and the longitudinal direction, each sub-reflecting surface corresponds to each angle light beam respectively, and each angle light beam forms quasi-light vertical to the transparent light emitting surface after being reflected by the corresponding sub-reflecting surface.
As a further improvement of the invention, the higher the luminous field light intensity of the point light source, the smaller the partial cutting angle.
As a further improvement of the invention, the sub-reflecting surfaces are spliced with each other through the transition cambered surfaces to form a free-form surface.
The invention has the beneficial effects that: the invention utilizes the structural principle of a free-form surface optical machine, directly converts single or multiple LEDs into a collimation surface light source by controlling the angle of each sub-reflecting surface in the reflecting curved surface, has ultrahigh lighting effect and extremely low light loss, is beneficial to heat dissipation design and achieves the aims of environmental protection and energy saving.
Drawings
FIG. 1 is a perspective view of the structural principle of the present invention;
FIG. 2 is a front view of the structural principle of the present invention;
FIG. 3 is a schematic top view of the structure of the present invention;
FIG. 4 is a right side view of the structural principle of the present invention;
FIG. 5 is a diagram of the light refraction path according to the present invention.
Detailed Description
Example (b): the utility model provides a light source profile transform structure, includes light source base 1, pointolite 2, transparent play plain noodles 3 and reflection curved surface 4, 2 fixed mounting of pointolite on light source base 1, transparent play plain noodles 3 fixed mounting in light source base 1 one side, reflection curved surface 4 is confirmed to be installed in light source base 1 top, reflection curved surface 4 is formed by the concatenation of a plurality of sub-plane of reflection 5, and every sub-plane of reflection 5 is just right with the light of the set angle within range of pointolite 2 transmission, the light of pointolite 2 transmission forms the parallel light of the transparent play plain noodles 3 of perpendicular to after 5 reflection of each sub-plane of reflection, the parallel light jets out through transparent play plain noodles 3.
As shown in fig. 1, the point light source 2 emits light to the periphery, after the light emitted from the point light source 2 irradiates the curved reflective surface 4, each sub-reflective surface 5 on the curved reflective surface 4 reflects the light beam corresponding thereto to form a collimated light, and the collimated light is emitted toward the viewing surface 6 perpendicular to the transparent light emitting surface 3, so as to form a directional collimated light with uniform light intensity, wherein the point light source 2 is generally an LED lamp, and the transparent light emitting surface 3 is made of transparent plastic, glass, or other materials.
The light guide plate is further provided with an upper light guide face 9 and a lower light guide face 10, the upper light guide face 9 and the lower light guide face 10 are fixedly installed on the upper side and the lower side of the transparent light emitting face 3 respectively, the upper light guide face 9 and the lower light guide face 10 are horizontal planes perpendicular to the light emitting face, the two ends of the upper light guide face 9 are connected with the upper end of the transparent light emitting face 3 and the upper end of the reflecting curved face 4 respectively, and the two ends of the lower light guide face 10 are connected with the lower end of the transparent light emitting face 3 and the upper end of the front light guiding face 7 respectively. The upper guide surface and the lower guide surface play a role in guiding collimated light, and light rays which are not perpendicular to the transparent light emitting surface 3 can be removed.
The light source base is further provided with a left light filtering surface 11 and a right light filtering surface 12, and the two ends of a cylindrical structure formed by the light source base 1, the transparent light emitting surface 3, the reflecting curved surface 4, the front light guiding surface 7, the rear light guiding surface 8, the upper light guiding surface 9 and the lower light guiding surface 10 are sealed by the left light filtering surface 11 and the right light filtering surface 12.
The left light filtering surface 11, the right light filtering surface 12, the front light guiding surface 7, the rear light guiding surface 8, the upper light guiding surface 9 and the lower light guiding surface 10 are all natural total reflection surfaces. The light emitted by the point light source 2 and not irradiated on the reflecting curved surface 4 is totally reflected by the natural total reflection surface, so that other light is prevented from being mixed in the collimated light.
The light source base 1 is a plane structure formed by light-transmitting materials, the point light source 2 is fixedly arranged on the outer side of the light source base 1, and the light source is convenient to install and disassemble.
The light source base 1 is a narrow strip structure with the width consistent with that of the point light source 2.
The light emitting field of the point light source 2 is cut into a plurality of angle light beams along the transverse direction and the longitudinal direction, each sub-reflecting surface 5 corresponds to each angle light beam, and each angle light beam forms quasi-light vertical to the transparent light emitting surface 3 after being reflected by the corresponding sub-reflecting surface 5. A point light source 2 (such as an LED) is transversely and longitudinally cut into a plurality of angle light beams in a Lambertian light emitting field (a 180-degree umbrella-shaped light field), each small-angle light beam irradiates the position of the sub-reflecting surface 5, and the angle of the sub-reflecting surface 5 is adjusted to enable the reflected light to form collimated light close to a vertical observation surface.
The higher the luminous field light intensity of the point light source 2, the smaller the partial cutting angle. The aim of controlling the distribution of the light intensity can be achieved by controlling the angle of the cutting angle light, and the cutting angle of the part with higher light intensity is smaller.
The sub-reflecting surfaces 5 are spliced with each other through the transition cambered surfaces to form a free-form surface.
Claims (10)
1. A light source profile converting structure, characterized by: including light source base (1), pointolite (2), transparent play plain noodles (3) and reflection curved surface (4), pointolite fixed mounting is on light source base, and transparent play plain noodles fixed mounting is in light source base one side, and the reflection curved surface is confirmed to be installed in light source base top, the reflection curved surface is formed by the concatenation of a plurality of sub-plane of reflection, and every sub-plane of reflection (5) is just right with the light of the settlement angle within range of pointolite transmission, the light of pointolite transmission forms the parallel light on the transparent play plain noodles of perpendicular to after each sub-plane of reflection, parallel light jets out through transparent play plain noodles.
2. The light source profile conversion structure of claim 1, wherein: the light source base is still equipped with preceding plain noodles (7) and back leaded light face (8) along the both sides of parallel light extending direction, preceding plain noodles and back leaded light face are the inclined plane, form V-arrangement structure between preceding plain noodles and the back leaded light face, back leaded light face and reflection curved surface lower extreme fixed connection.
3. The light source profile conversion structure of claim 2, wherein: the light guide plate is characterized by further comprising an upper light guide face (9) and a lower light guide face (10), wherein the upper light guide face and the lower light guide face are fixedly arranged on the upper side and the lower side of the transparent light emitting face respectively, the upper light guide face and the lower light guide face are horizontal planes perpendicular to the light transmitting light emitting face, two ends of the upper light guide face are connected with the upper end of the transparent light emitting face and the upper end of the reflecting curved face respectively, and two ends of the lower light guide face are connected with the lower end of the transparent light emitting face and the upper end of the front light guiding face respectively.
4. The light source profile conversion structure of claim 3, wherein: the light source is further provided with a left light filtering surface (11) and a right light filtering surface (12), wherein the two ends of a cylindrical structure formed by the light source base, the transparent light emitting surface, the reflecting curved surface, the front light guiding surface, the rear light guiding surface, the upper light guiding surface and the lower light guiding surface are sealed by the left light filtering surface and the right light filtering surface.
5. The HUD light source module of claim 4, wherein: the left light filtering surface, the right light filtering surface, the front light guiding surface, the rear light guiding surface, the upper light guiding surface and the lower light guiding surface are all natural total reflection surfaces.
6. The HUD light source module according to claim 1, wherein: the light source base is a plane structure formed by light-transmitting materials, and the point light source is fixedly arranged on the outer side of the light source base.
7. The HUD light source module of claim 1 or 6, wherein: the light source base is a narrow strip structure with the width consistent with that of the point light source.
8. The HUD light source module according to claim 1, wherein: the light emitting field of the point light source is cut into a plurality of angle light beams along the transverse direction and the longitudinal direction, each sub-reflecting surface corresponds to each angle light beam respectively, and each angle light beam forms quasi-light vertical to the transparent light emitting surface after being reflected by the corresponding sub-reflecting surface.
9. The HUD light source module of claim 8, wherein: the higher the luminous field light intensity of the point light source, the smaller the partial cutting angle.
10. The HUD light source module according to claim 9, wherein: and the sub-reflecting surfaces are spliced with each other through the transition cambered surfaces to form a free-form surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863615.7A CN113503470A (en) | 2021-07-29 | 2021-07-29 | Light source profile conversion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863615.7A CN113503470A (en) | 2021-07-29 | 2021-07-29 | Light source profile conversion structure |
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| Publication Number | Publication Date |
|---|---|
| CN113503470A true CN113503470A (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110863615.7A Pending CN113503470A (en) | 2021-07-29 | 2021-07-29 | Light source profile conversion structure |
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| Country | Link |
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| CN (1) | CN113503470A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203068421U (en) * | 2013-02-25 | 2013-07-17 | 成都欧盛光电科技有限公司 | Fly's-eye type LED light distribution lens |
| CN204227317U (en) * | 2014-10-08 | 2015-03-25 | 深圳市耀嵘科技有限公司 | A kind of lens, lens module and LED lamp |
| CN211232752U (en) * | 2020-02-27 | 2020-08-11 | 华域视觉科技(上海)有限公司 | Light guide structure, light emitting assembly, light emitting device and vehicle |
| CN113075833A (en) * | 2021-04-09 | 2021-07-06 | 杭州海康威视数字技术股份有限公司 | Lens assembly |
| CN215569811U (en) * | 2021-07-29 | 2022-01-18 | 昆山金运新材料科技有限公司 | Light source profile conversion structure |
-
2021
- 2021-07-29 CN CN202110863615.7A patent/CN113503470A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203068421U (en) * | 2013-02-25 | 2013-07-17 | 成都欧盛光电科技有限公司 | Fly's-eye type LED light distribution lens |
| CN204227317U (en) * | 2014-10-08 | 2015-03-25 | 深圳市耀嵘科技有限公司 | A kind of lens, lens module and LED lamp |
| CN211232752U (en) * | 2020-02-27 | 2020-08-11 | 华域视觉科技(上海)有限公司 | Light guide structure, light emitting assembly, light emitting device and vehicle |
| CN113075833A (en) * | 2021-04-09 | 2021-07-06 | 杭州海康威视数字技术股份有限公司 | Lens assembly |
| CN215569811U (en) * | 2021-07-29 | 2022-01-18 | 昆山金运新材料科技有限公司 | Light source profile conversion structure |
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