CN108105597A - High-brightness LED illuminating module and headlamp - Google Patents
High-brightness LED illuminating module and headlamp Download PDFInfo
- Publication number
- CN108105597A CN108105597A CN201810133034.6A CN201810133034A CN108105597A CN 108105597 A CN108105597 A CN 108105597A CN 201810133034 A CN201810133034 A CN 201810133034A CN 108105597 A CN108105597 A CN 108105597A
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- Prior art keywords
- wavelength conversion
- conversion layer
- source group
- light source
- layer
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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
- 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
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of high-brightness LED illuminating module and headlamps, including LED light source group, wavelength conversion layer and reflector, LED light source group and wavelength conversion layer are located inside reflector, and setting is bonded successively along the opening direction of reflector, the side of wavelength conversion layer is coated with hyaline layer, for the refractive index of hyaline layer between wavelength conversion layer and the refractive index of air, one side of the wavelength conversion layer away from LED light source group is equipped with total reflection layer.By setting total reflection layer in one side of the wavelength conversion layer away from LED light source group, light is made finally to be emitted from the side of wavelength conversion layer, since the face of the close and separate LED light source group of wavelength conversion layer is much larger than side, therefore the area in beam projecting face can be substantially reduced, improves the brightness of light-emitting surface；By coating hyaline layer in the side of wavelength conversion layer, and the refractive index of the hyaline layer reduces the refringence of light outgoing interface both sides between wavelength conversion layer and the refractive index of air, improves light extraction efficiency and brightness of illumination.
Description
Technical field
The present invention relates to lighting technical fields, and in particular to a kind of high-brightness LED illuminating module and headlamp.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because with light
Many advantages, such as flux height, long lifespan, structure be small and safe efficient, energy saving etc., is just progressively substituting traditional incandescent lamp and section
Energy lamp, becomes a kind of general lighting source.
Existing LED light is typically that blue light or UV LED chip are bonded placement, fluorescent powder with transparent phosphor sheet
The blue light or ultraviolet excitation that fluorescent powder in piece is sent through blue light or UV LED chip generate exciting light, final exciting light
With remaining blue light into beam of white light.It is more much larger than the refractive index of air yet with the refractive index of phosphor sheet, cause glimmering
The light extraction efficiency of light powder piece is relatively low, reduces light utilization ratio, ultimately results in brightness of illumination and not enough and using limited asks
Topic.
The content of the invention
The present invention provides a kind of high-brightness LED illuminating module and headlamps, are carried with solving light in the prior art
It takes less efficient, causes brightness of illumination not enough and the problem of application is limited.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of high-brightness LED illuminating module, including LED
Light source group, wavelength conversion layer and reflector, the LED light source group and wavelength conversion layer are located inside the reflector, and along anti-
The opening direction of light bowl is bonded setting successively, and the side of the wavelength conversion layer is coated with hyaline layer, the folding of the hyaline layer
Rate is penetrated between wavelength conversion layer and the refractive index of air, one side of the wavelength conversion layer away from LED light source group is equipped with total reflection
Layer.
Further, the side of the wavelength conversion layer is located at the focal point of reflector.
Further, the wavelength conversion layer is fluorescence ceramics piece.
Further, the hyaline layer is made of Silica hydrogel.
Further, the wavelength conversion layer is equipped with transflection layer close to the one side of the LED light source group, transmits LED light source
The light of group outgoing, the light that reflective wavelength-converting layer inspires.
Further, the size of the wavelength conversion layer is not less than the size of the LED light source group.
Further, the LED light source group includes several LED chips, several LED chip arrangement rectangularities, institute
The section for stating wavelength conversion layer is the rectangle being adapted with the shape of the LED light source group.
Further, the LED light source group includes several LED chips, and several LED chips are arranged in circular or approximate
Circle, the section of the wavelength conversion layer are the circle being adapted with the shape of the LED light source group.
The present invention also provides a kind of headlamps, which is characterized in that including high-brightness LED illuminating module as described above.
High-brightness LED illuminating module provided by the invention and headlamp, including LED light source group, wavelength conversion layer and reflective
Bowl, the LED light source group and wavelength conversion layer be located inside the reflector, and is bonded sets successively along the opening direction of reflector
It puts, the side of the wavelength conversion layer is coated with hyaline layer, and the refractive index of the hyaline layer is between wavelength conversion layer and air
Between refractive index, one side of the wavelength conversion layer away from LED light source group is equipped with total reflection layer.By in wavelength conversion layer away from LED
The one side of light source group sets total reflection layer, light is made finally to be emitted from the side of wavelength conversion layer, since wavelength conversion layer is close
And the face away from LED light source group is much larger than side, therefore the area in beam projecting face can be substantially reduced, improve light-emitting surface
Brightness；By coating hyaline layer in the side of wavelength conversion layer, and the refractive index of the hyaline layer is between wavelength conversion layer and air
Refractive index between, reduce the refringences of light outgoing interface both sides, improve light extraction efficiency and brightness of illumination, it is final to improve
The brightness of LED light and widespread popularity.
Description of the drawings
Fig. 1 is the structure diagram of one specific embodiment of high-brightness LED illuminating module of the present invention；
Fig. 2 is the structure diagram of one specific embodiment of LED light source group of the present invention；
Fig. 3 is the structure diagram of LED light source group another specific embodiment of the present invention.
Shown in figure：10th, LED light source group；110th, LED chip；20th, wavelength conversion layer；30th, reflector；40th, hyaline layer；
50th, total reflection layer；60th, transflection layer.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1, the present invention provides a kind of high-brightness LED illuminating module, including LED light source group 10, wavelength convert
Layer 20 and reflector 30, the LED light source group 10 and wavelength conversion layer 20 are located inside the reflector 30, and along reflector 30
Opening direction be bonded setting successively, the side of the wavelength conversion layer 20 is externally provided with hyaline layer 40, the folding of the hyaline layer 40
Rate is penetrated between wavelength conversion layer 20 and the refractive index of air, and the setting on one side away from LED light source group 10 of wavelength conversion layer 20
There is total reflection layer 50.Preferably, the wavelength conversion layer 20 is fluorescence ceramics piece.Specifically, wavelength conversion layer 20 is usually glimmering
Light powder piece or fluorescence ceramics piece, refractive index are 1.8 or so, and the refractive index of air is 1, therefore the two difference is larger, according to anti-
Penetrating rate R calculation formula is：Wherein n1、n2The respectively refractive index of light outgoing interface media of both sides, thus may be used
Know, reduce the difference of the two, reflectivity can be reduced, so as to improve light exitance.Wavelength conversion layer 20 is close and away from LED light
The face of source group 10 is much larger than side, i.e., long and wide much larger than height when wavelength conversion layer 20 is rectangular parallelepiped structure, usually differs 10
Times or more, when wavelength conversion layer 20 is cylindrical structure, the diameter of upper bottom surface is much larger than height, usually 10 times or more of difference,
And therefore by the present invention in that light greatly reduces the area in beam projecting face, carry from the outgoing of the side of wavelength conversion layer 20
The high brightness of exit facet.
Preferably, the side of wavelength conversion layer 20 is located at the focal point of reflector 30, and the side of wavelength conversion layer 20 is located at
The focal point of reflector 30 is equivalent to the opposite central axes of each point of reflector 30 outwards translating a distance, the distance etc.
Half length or half-breadth or radius in 20 section of wavelength conversion layer, at this time focus have multiple and form a rectangle or circle.Figure
In light be only schematic diagram, under actual conditions, light is not absolute parallel outgoing, and some light can go out from intermediate vacancy
It penetrates, so as to form uniform illumination spot.
Preferably, the hyaline layer 40 is made of Silica hydrogel.Since the translucency of Silica hydrogel is good, and refractive index is 1.5
Left and right, can greatly improve light extraction efficiency.Certain hyaline layer can also use the thermostable transparent material of other low-refractions
It is made, is not limited herein.
Preferably, the wavelength conversion layer 20 is equipped with transflection layer 60 close to the one side of the LED light source group 10, transmits LED
The light that light source group 10 is emitted, the light that reflective wavelength-converting layer 20 inspires reduce light consume, swash wavelength conversion layer 20
Light at hair can be all emitted from its side.
Preferably, the size of the wavelength conversion layer 20 is not less than the size of the LED light source group 10.That is wavelength conversion layer
20 can cover LED light source group 10, ensure that the light that LED light source group 10 is sent can be all projected on wavelength conversion layer 20.
As shown in Fig. 2, the LED light source group 10 includes several LED chips 110, several LED chips 110 are arranged in
Rectangle, the section of the wavelength conversion layer 20 are the rectangle being adapted with the shape of the LED light source group 10.In Fig. 2,
110 quantity of LED chip is 9, along the quadrate array of long and cross direction difference arrangement form 3*3, at this point, wavelength conversion layer 20
For cube structure, light is emitted from four sides therein.The quantity of certain LED chip 110 can be more or less, this
Place does not limit.
As shown in figure 3, the LED light source group 10 includes several LED chips 110, several LED chips 110 are arranged in
Circular or approximate circle, the section of the wavelength conversion layer 20 is the circle being adapted with the shape of the LED light source group 10.I.e.
Multiple LED chips 110 correspond to a phosphor powder layer, and without being separately provided phosphor powder layer for each LED chip 110, simplification finishes
Structure, and make more convenient, in Fig. 3, the quantity of LED chip 110 is 8, be arranged in it is approximate circle, at this point, wavelength conversion layer
20 be cylindrical structure, and light is emitted for one week from side, so as to form circular light spot.The quantity of certain LED chip 110 can be more
It is more or less, it does not limit herein.
The present invention also provides a kind of headlamp, including high-brightness LED illuminating module as described above.
High-brightness LED illuminating module provided by the invention and headlamp, including LED light source group 10,20 and of wavelength conversion layer
Reflector 30, the LED light source group 10 and wavelength conversion layer 20 are located inside the reflector 30, and along the opening of reflector 30
Direction is bonded setting successively, and the side of the wavelength conversion layer 20 is coated with hyaline layer 40, and the refractive index of the hyaline layer 40 is situated between
Between wavelength conversion layer 20 and the refractive index of air, one side of the wavelength conversion layer 20 away from LED light source group 10 is equipped with total reflection
Layer 50.By setting total reflection layer 50 in one side of the wavelength conversion layer 20 away from LED light source group 10, light is made finally to turn from wavelength
The side outgoing of layer 20 is changed, it, can since the face of the close and separate LED light source group 10 of wavelength conversion layer 20 is much larger than side
To substantially reduce the area in beam projecting face, the brightness of light-emitting surface is improved；It is transparent by being coated in the side of wavelength conversion layer 20
Layer 40, and the refractive index of the hyaline layer 40 reduces light outgoing interface between wavelength conversion layer 20 and the refractive index of air
The refringence of both sides improves light extraction efficiency and brightness of illumination, finally improves brightness and the widespread popularity of LED light.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should include within the scope of the present invention.
Claims (9)
1. a kind of high-brightness LED illuminating module, including LED light source group, wavelength conversion layer and reflector, which is characterized in that described
LED light source group and wavelength conversion layer are located inside the reflector, and are bonded setting successively along the opening direction of reflector, described
The side of wavelength conversion layer is coated with hyaline layer, and the refractive index of the hyaline layer is between the refractive index of wavelength conversion layer and air
Between, one side of the wavelength conversion layer away from LED light source group is equipped with total reflection layer.
2. high-brightness LED illuminating module according to claim 1, which is characterized in that the side position of the wavelength conversion layer
In the focal point of reflector.
3. high-brightness LED illuminating module according to claim 1, which is characterized in that the wavelength conversion layer is made pottery for fluorescence
Tile.
4. high-brightness LED illuminating module according to claim 1, which is characterized in that the hyaline layer uses Silica hydrogel system
Into.
5. high-brightness LED illuminating module according to claim 1, which is characterized in that the wavelength conversion layer is close to described
The one side of LED light source group is equipped with transflection layer, the light of transmission LED light source group outgoing, the light that reflective wavelength-converting layer inspires.
6. high-brightness LED illuminating module according to claim 1, which is characterized in that the size of the wavelength conversion layer is not
Less than the size of the LED light source group.
7. high-brightness LED illuminating module according to claim 6, which is characterized in that the LED light source group includes several
LED chip, several LED chip arrangement rectangularities, the section of the wavelength conversion layer is the shape with the LED light source group
The rectangle that shape is adapted.
8. high-brightness LED illuminating module according to claim 6, which is characterized in that the LED light source group includes several
LED chip, several LED chips are arranged in circular or approximate circle, and the section of the wavelength conversion layer is and the LED light
The circle that the shape of source group is adapted.
9. a kind of headlamp, which is characterized in that including such as claim 1~8 any one of them high-brightness LED illuminating module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133034.6A CN108105597A (en) | 2018-02-09 | 2018-02-09 | High-brightness LED illuminating module and headlamp |
| PCT/CN2018/107266 WO2019153755A1 (en) | 2018-02-09 | 2018-09-25 | Illumination module and illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133034.6A CN108105597A (en) | 2018-02-09 | 2018-02-09 | High-brightness LED illuminating module and headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108105597A true CN108105597A (en) | 2018-06-01 |
Family
ID=62220244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810133034.6A Pending CN108105597A (en) | 2018-02-09 | 2018-02-09 | High-brightness LED illuminating module and headlamp |
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| Country | Link |
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| CN (1) | CN108105597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153755A1 (en) * | 2018-02-09 | 2019-08-15 | 超视界激光科技（苏州）有限公司 | Illumination module and illumination lamp |
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|---|---|---|---|---|
| CN101793355A (en) * | 2008-12-29 | 2010-08-04 | 奥斯兰姆施尔凡尼亚公司 | Remote phosphor LED illuminator |
| CN102142511A (en) * | 2010-02-01 | 2011-08-03 | 深圳市光峰光电技术有限公司 | Solid-state light source based on optical wavelength conversion and packaging method thereof |
| CN103489857A (en) * | 2013-09-06 | 2014-01-01 | 殷江 | White light LED light-emitting device |
| CN105762255A (en) * | 2016-04-06 | 2016-07-13 | 卓广实业（上海）有限公司 | High-power LED point light source applied to high-quality lighting |
-
2018
- 2018-02-09 CN CN201810133034.6A patent/CN108105597A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793355A (en) * | 2008-12-29 | 2010-08-04 | 奥斯兰姆施尔凡尼亚公司 | Remote phosphor LED illuminator |
| CN102142511A (en) * | 2010-02-01 | 2011-08-03 | 深圳市光峰光电技术有限公司 | Solid-state light source based on optical wavelength conversion and packaging method thereof |
| CN103489857A (en) * | 2013-09-06 | 2014-01-01 | 殷江 | White light LED light-emitting device |
| CN105762255A (en) * | 2016-04-06 | 2016-07-13 | 卓广实业（上海）有限公司 | High-power LED point light source applied to high-quality lighting |
Non-Patent Citations (2)
| Title |
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| 李景镇: "《光学手册》", 31 December 2010 * |
| 郭睿倩: "《半导体光源（LED，OLED）及照明设计》", 31 December 2017 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153755A1 (en) * | 2018-02-09 | 2019-08-15 | 超视界激光科技（苏州）有限公司 | Illumination module and illumination lamp |
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Application publication date: 20180601 |
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