CN104456362A - White light LED turn signal and automobile with same - Google Patents
White light LED turn signal and automobile with same Download PDFInfo
- Publication number
- CN104456362A CN104456362A CN201410756938.6A CN201410756938A CN104456362A CN 104456362 A CN104456362 A CN 104456362A CN 201410756938 A CN201410756938 A CN 201410756938A CN 104456362 A CN104456362 A CN 104456362A
- Authority
- CN
- China
- Prior art keywords
- white light
- lens
- light leds
- yellow
- steering indicating
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/20—Direction indicator lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a white light LED turn signal and an automobile with the same. The turn signal comprises a white light LED, a circuit board and lens, wherein the white light LED welded in the circuit board is made by packaging a GaN chip and yttrium aluminum garnet (YAG) fluorescent powder containing Ce3+, and the fluorescent powder is made by high-temperature sintering; the lens with blended colors is made of red plastic and yellow plastic blended according to a weight proportion, the lens is connected with the circuit board and clads the white light LED so as to enable the light giving out by the white light LED to be clad by the lens completely; yellow light is acquired after the light giving out by the white light LED crossing through the lens, and the wave length of the yellow light is from 583 nanometers to 595 nanometers. By adopting blending-colors lens, the white light LED is clad in the lens, yellow light with a wave length of 590 nanometers and meeting regulatory requirements is acquired after the light giving out by the white light LED crosses through the lens, furthermore the white light LED has high lighting efficiency and high heat resistance and practicability and allows longer service life of the turn signal.
Description
Technical field
The present invention relates to LED technology field, particularly relate to and a kind ofly use the steering indicating light of white light LEDs and there is the automobile of this steering indicating light.
Background technology
The LED emitted white light for 1998 succeeds in developing.This LED is by the GaN chip of blue light-emitting, and that makes with high temperature sintering contains Ce
3+yAG fluorescent powder be packaged together, the blue light components that LED substrate sends is absorbed by fluorescent material, the yellow light mix that another part blue light and fluorescent material send, and can obtain obtaining white light.For automobile-used white light, the assorted white light of colour temperature 3500-6000K can be selected.Along with the progress of technology, the luminous efficiency of current white light LEDs is in 100 lumens/watt.
But white light LEDs cannot send the long white light of all-wave, the white light sent is the mixed light of gold-tinted and blue light, and be not RGB mixed white light truly, automobile-used yellow wavelengths scope is 585-592 nanometer, the color sent do not meet vehicle turn light color requirement.But it is good that advantage is heat resistance, luminous efficiency is 100 lumens/watt.Fig. 1 and Fig. 2 is luminous efficiency figure and the heat resistance figure of internationally renowned brand Osram 1W white light, even if can see that temperature rises to 100 DEG C, the light sent during relative to 25 DEG C only have dropped 13%.
For common yellow light-emitting diode, luminescence chip uses arsenic calorize gallium (GaAlAs), phosphorus indium GaAs (GaAsInP), the materials such as gallium phosphide (GaP) or gallium arsenide phosphide (GaAsP), the luminescence chip that this kind of material makes can send the gold-tinted of Single wavelength, along with the luminous efficiency of the progressive Single wavelength gold-tinted of technology is in 60 lumens/watt.
But it is low that the shortcoming of yellow light-emitting diode is luminous efficiency, only have 60 lumens/watt.And heat resistance is poor, advantage is that colour consistency is good.Fig. 3 and Fig. 4 is luminous efficiency figure and the heat resistance figure of Osram 1W gold-tinted, can see the rising along with temperature, sharply have dropped 75% when the light that LED sends is compared to 25 DEG C.
Summary of the invention
In view of this, the present invention proposes a kind ofly use the steering indicating light of white light LEDs and have the automobile of this steering indicating light, conventional with arsenic calorize gallium (GaAlAs) to solve, phosphorus indium
gaAs(GaAsInP),
gallium phosphide(GaP) or the yellow light LED that does of the material such as gallium arsenide phosphide (GaAsP) be that the steering indicating light light efficiency of light source is low, the problem of the shortcoming of heat-resisting difference.
For achieving the above object, technical scheme of the present invention is achieved in that
Use a steering indicating light for white light LEDs, comprise white light LEDs, wiring board and lens, wherein,
Described white light LEDs by GaN chip and high temperature sintering containing Ce
3+yAG fluorescent powder encapsulation composition, described white light LEDs is welded on described wiring board;
Described lens are color lens, and mixed according to weight proportion by red plastic and yellow plastic and made, described lens are connected with described wiring board, and by coated for described white light LEDs, the light that described white light LEDs is sent is completely coated by described lens;
The light that described white light LEDs sends obtains sodium yellow after described lens, described yellow wavelengths is 583-595 nanometer, coordinate range is Cx, Cy:(0.5536,0.4421) (0.5705,0.4289) (0.5883,0.4111) (0.5764,0.4075).
The steering indicating light of above-mentioned use white light LEDs, wherein, the color temperature value scope of described white light LEDs is between 2500K-6500K.
The steering indicating light of above-mentioned use white light LEDs, wherein, the ratio of described red plastic and described yellow plastic is between 1:10 to 10:1.
The steering indicating light of above-mentioned use white light LEDs, wherein, described red plastic and described yellow plastic proportionally proportioning well after mix and put into injection machine and be processed into described color lens by Shooting Technique.
The steering indicating light of above-mentioned use white light LEDs, wherein, according to light distribution requirements, luminous intensity distribution texture is done on any surface of described lens.
The steering indicating light of above-mentioned use white light LEDs, wherein, the shape of described luminous intensity distribution texture can be rhombus, triangle, cylindrical, ball-type or other there is arbitrarily the shape of particle characteristics.
The steering indicating light of above-mentioned use white light LEDs, wherein, the shape of described lens is the wall thickness such as wall thickness, circle such as rectangle, projection shape, recessed cylindricality or other there is arbitrarily the shape in the space that can hold described white light LEDs.
Also comprise a kind of automobile, comprise the steering indicating light of the use white light LEDs described in above-mentioned any one.
The present invention is owing to have employed above-mentioned technology, and the good effect of generation is:
The present invention is by the use of color lens, white light LEDs is coated on wherein, the wavelength obtaining meeting laws and regulations requirement after the light transmission lens that white light LEDs sends is the gold-tinted of 590 nanometers, and white light LEDs has specular removal and high-fire resistance, practical and add service life of steering indicating light.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 and Fig. 2 is luminous efficiency figure and the heat resistance figure of white light LEDs in background technology of the present invention;
Fig. 3 and Fig. 4 is luminous efficiency figure and the heat resistance figure of yellow light LED in background technology of the present invention;
Fig. 5 is the structural representation that the lens of the steering indicating light of use white light LEDs of the present invention are the wall thickness shapes such as rectangle;
Fig. 6 is the structural representation that the lens of the steering indicating light of use white light LEDs of the present invention are the wall thickness shapes such as circle;
The structural representation of Fig. 7 to be the lens of the steering indicating light of use white light LEDs of the present invention be convex cylindrical shape;
The structural representation of Fig. 8 to be the lens of the steering indicating light of use white light LEDs of the present invention be recessed cylindrical shape.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
Embodiment
Incorporated by reference to shown in Fig. 5 to Fig. 8, a kind of steering indicating light using white light LEDs of the present invention, comprises white light LEDs 2, wiring board 1 and lens, the color temperature value scope of white light LEDs 2 between 2500K-6500K, wherein,
White light LEDs 2 by GaN chip and high temperature sintering containing Ce
3+yAG fluorescent powder encapsulation composition, white light LEDs 2 is welded on wiring board 1;
Lens are color lens, mixed according to weight proportion by red plastic and yellow plastic and made, the ratio of red plastic and yellow plastic is between 1:10 to 10:1, and lens are connected with wiring board 1, and by coated for white light LEDs 2, the light making white light LEDs 2 send is completely coated by lens;
The light that white light LEDs sends obtains sodium yellow after lens, and yellow wavelengths is 583-595 nanometer, and coordinate range is Cx, Cy:(0.5536,0.4421) (0.5705,0.4289) (0.5883,0.4111) (0.5764,0.4075).
The present invention also has following embodiment on the basis of the above, please continue see shown in Fig. 5 to Fig. 8,
In further embodiment of the present invention, red plastic and yellow plastic proportionally proportioning well after mix and put into injection machine and be processed into color lens by Shooting Technique.
In further embodiment of the present invention, according to light distribution requirements, luminous intensity distribution texture is done on any surface of lens, the shape of luminous intensity distribution texture can be rhombus, triangle, cylindrical, ball-type or other there is arbitrarily the shape of particle characteristics.
In further embodiment of the present invention, the shape of lens is the wall thickness 32 such as the wall thickness such as rectangle 31, circle, projection shape 33, recessed cylindricality 34 or other there is arbitrarily the shape in the space 4 that can hold white light LEDs.
User can further be familiar with characteristic of the present invention and function according to following explanation,
The shape of lens is roughly divided into 4 classes, the wall thickness such as rectangle 31 (as shown in Figure 5), circle waits wall thickness 32 (as shown in Figure 6), projection shape 33 (as shown in Figure 7), recessed cylindricality 34 (as shown in Figure 8), or the lens of other any shapes are all wanted can the completely coated light sent from LED, in order to reach certain light distribution requirements, luminous intensity distribution texture can be done, as rhombus, triangle, cylindrical, ball-type or other any shapes with particle characteristics on any of lens.
The color of lens is yellow and red secondary colour, and object is White LED is sent sodium yellow that white light can be met laws and regulations requirement after secondary colour lens.Because the color temperature value of white is between 2500K-6500K, therefore select the color lens of different proportion according to the white light LEDs of different-colour, yellow and red color contrast is between 1:10 to 10:1, can be met the sodium yellow of car light laws and regulations requirement.
When such as selecting the white light LEDs of 2500K colour temperature, ratio yellow and red in color lens is 10:1, and the wavelength that can obtain meeting laws and regulations requirement after the light transmission color lens of now White LED is the gold-tinted of 590 nanometers.
And when selecting colour temperature to be the white light LEDs of 6500K, ratio yellow and red in color lens is 1:10, the wavelength that can obtain meeting laws and regulations requirement after the light transmission color lens of now White LED is equally the gold-tinted of 590 nanometers.
In sum, the present invention is by the use of color lens, white light LEDs is coated on wherein, the wavelength obtaining meeting laws and regulations requirement after the light transmission lens that white light LEDs sends is the gold-tinted of 590 nanometers, and white light LEDs has specular removal and high-fire resistance, practical and add service life of steering indicating light.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations description of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (8)
1. use a steering indicating light for white light LEDs, comprise white light LEDs, wiring board and lens, it is characterized in that,
Described white light LEDs by GaN chip and high temperature sintering containing Ce
3+yAG fluorescent powder encapsulation composition, described white light LEDs is welded on described wiring board;
Described lens are color lens, and mixed according to weight proportion by red plastic and yellow plastic and made, described lens are connected with described wiring board, and by coated for described white light LEDs, the light that described white light LEDs is sent is completely coated by described lens;
The light that described white light LEDs sends obtains sodium yellow after described lens, described yellow wavelengths is 583-595 nanometer, coordinate range is Cx, Cy:(0.5536,0.4421) (0.5705,0.4289) (0.5883,0.4111) (0.5764,0.4075).
2. the steering indicating light of use white light LEDs according to claim 1, is characterized in that, the color temperature value scope of described white light LEDs is between 2500K-6500K.
3. the steering indicating light of use white light LEDs according to claim 1, is characterized in that, the ratio of described red plastic and described yellow plastic is between 1:10 to 10:1.
4. the steering indicating light of use white light LEDs according to claim 1, is characterized in that, described red plastic and described yellow plastic proportionally proportioning well after mix and put into injection machine and be processed into described color lens by Shooting Technique.
5. the steering indicating light of use white light LEDs according to claim 1, is characterized in that, according to light distribution requirements, luminous intensity distribution texture is done on any surface of described lens.
6. the steering indicating light of use white light LEDs according to claim 5, is characterized in that, the shape of described luminous intensity distribution texture can be rhombus, triangle, cylindrical, ball-type or other there is arbitrarily the shape of particle characteristics.
7. the steering indicating light of use white light LEDs according to claim 1, is characterized in that, the shape of described lens is the wall thickness such as wall thickness, circle such as rectangle, projection shape, recessed cylindricality or other there is arbitrarily the shape in the space that can hold described white light LEDs.
8. an automobile use, comprises the steering indicating light as the use white light LEDs in claim 1-7 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410756938.6A CN104456362A (en) | 2014-12-10 | 2014-12-10 | White light LED turn signal and automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410756938.6A CN104456362A (en) | 2014-12-10 | 2014-12-10 | White light LED turn signal and automobile with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456362A true CN104456362A (en) | 2015-03-25 |
Family
ID=52902853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410756938.6A Pending CN104456362A (en) | 2014-12-10 | 2014-12-10 | White light LED turn signal and automobile with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104456362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708071A (en) * | 2019-02-28 | 2019-05-03 | 北京新能源汽车股份有限公司 | Car light and vehicle with it |
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| CN101840987A (en) * | 2008-03-25 | 2010-09-22 | 三星电机株式会社 | White-light emitting device and the white light source module of using this white-light emitting device |
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| US20110157907A1 (en) * | 2009-12-29 | 2011-06-30 | SMR Patents S.a.r.I. | Turn-indicator light module for a vehicle mirror assembly and vehicle mirror assembly comprising a turn-indicator light module |
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| CN109708071A (en) * | 2019-02-28 | 2019-05-03 | 北京新能源汽车股份有限公司 | Car light and vehicle with it |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |