CN106784259A - A kind of multi color temperature mixing light source and preparation method thereof, mobile terminal - Google Patents
A kind of multi color temperature mixing light source and preparation method thereof, mobile terminal Download PDFInfo
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- CN106784259A CN106784259A CN201611039860.1A CN201611039860A CN106784259A CN 106784259 A CN106784259 A CN 106784259A CN 201611039860 A CN201611039860 A CN 201611039860A CN 106784259 A CN106784259 A CN 106784259A
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- light source
- fluorescent material
- light
- color temperature
- multi color
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0025—Processes relating to coatings
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention discloses a kind of multi color temperature mixing light source and preparation method thereof, mobile terminal, the multi color temperature mixing light source includes：Light source；At least two fluorescent materials of the different zones in the light source surface are respectively coated with, for the light that the light source sends to be converted into the mixed light comprising at least two colour temperatures.Through the above way, the present invention in the case of only with a luminescence chip, can form the mixed light of at least two colour temperatures, improve the quality of mixing light source.
Description
Technical field
The present invention relates to lighting technical field, more particularly to a kind of multi color temperature mixing light source and preparation method thereof, movement
Terminal.
Background technology
In recent years, as LED (Light Emitting Diode) is made technology in device material, chip technology, encapsulation
Etc. the research of aspect constantly improve, the especially gradually ripe variation with fluorescent powder coating technique of flip chip, Yi Zhongxin
Chip Size Package CSP (Chip Scale Package) technology applications and give birth to.Realizing the white light technique of CSP has various sides
Formula, optimal fluorescent powder coating is carried out on wafer (wafer).
One important use of LED is the flash lamp for making mobile phone or camera.Mobile phone is taken pictures using flash lighting
Basic function as mobile phone, single flash lamp is gradually replaced due to the limitation of spectrum by double-colored temperature flash lamp.
Current double-colored temperature flash lamp is all, by independent two flash lamps (cool colour temperature, warm colour temperature), to be set by structure and circuit
Meter carries out mixed light, reaches relatively good light filling and takes pictures effect.But two independent flash lamps structure (easy physical arrangement it is inclined
Difference displacement, the matching problem with optical lens) and material uniformity (otherness of different batches material) so that light mixing effect
Will be less than being expected, so as to influence final effect of taking pictures.
The content of the invention
The present invention solves the technical problem of a kind of multi color temperature mixing light source of offer and preparation method thereof, movement eventually
End, in the case of only with a luminescence chip, can form the mixed light of at least two colour temperatures, improve the matter of mixing light source
Amount.
In order to solve the above technical problems, one aspect of the present invention is：A kind of colour temperature mixing light source is provided, should
Colour temperature mixing light source includes：Light source；At least two fluorescent materials of the different zones in light source surface are respectively coated with, for by light
The light that source sends is converted into the mixed light comprising at least two colour temperatures.
Wherein, at least two fluorescent materials at least include cool colour temperature fluorescent material and warm colour temperature fluorescent material, for by light
The light that source sends is converted into the mixed light comprising the gentle warm colour temperature of cool colour.
Wherein, the light that cool colour temperature fluorescent material is used to send light source is converted into light of the colour temperature more than 5000K, warm colour Wen Ying
The light that luminescent material is used to send light source is converted into light of the colour temperature less than 3000K.
Wherein, light source is luminescence chip, and fluorescent material is fluorescent material.
Wherein, the silica gel for isolating at least two fluorescent materials is provided between at least two fluorescent materials.
Wherein, at least two fluorescent materials away from light source side, also including one layer of silica gel.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of mobile terminal is provided,
The mobile terminal includes the flash lamp that multi color temperature mixing light source as described above is made.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of multi color temperature mixed light is provided
The preparation method in source, the method includes：Make light source；Different zones on light source surface are respectively coated with least two phosphors
Material, the light for light source to be sent is converted into the mixed light comprising at least two colour temperatures.
Wherein, the different zones on light source surface are respectively coated with least two fluorescent materials, including：Using the first mask plate
Cool colour temperature fluorescent material is coated on light source surface；And coat warm colour temperature fluorescent material on light source surface using the second mask plate.
Wherein, the method also includes：Formed between at least two fluorescent materials for isolating at least two fluorescent materials
Silica gel；And the silicon for protecting at least two fluorescent materials is formed away from the side of light source at least two fluorescent materials
Glue.
The beneficial effects of the invention are as follows：The situation of prior art is different from, multi color temperature mixing light source of the invention includes：Light
Source；At least two fluorescent materials of the different zones in light source surface are respectively coated with, the light for light source to be sent is converted into bag
Mixed light containing at least two colour temperatures.Through the above way, at least two can be formed in the case of only with a luminescence chip
The mixed light of kind of colour temperature, it is to avoid two different sizes, the luminescence chip of batch cause light mixing effect difference because of the difference of structure
Problem, improves the quality of mixing light source.
Brief description of the drawings
Fig. 1 is the structural representation of the implementation method of multi color temperature mixing light source one of the present invention；
Fig. 2 is the schematic flow sheet of the implementation method of preparation method one of multi color temperature mixing of the present invention；
Fig. 3 is the structural representation of S21 in the implementation method of preparation method one that multi color temperature of the present invention mixes；
Fig. 4 is the knot of S22 formation cool colour temperature fluorescent materials in the implementation method of preparation method one that multi color temperature of the present invention mixes
Structure schematic diagram；
Fig. 5 is the knot of S22 formation warm colour temperature fluorescent materials in the implementation method of preparation method one that multi color temperature of the present invention mixes
Structure schematic diagram；
Fig. 6 is the structural representation of S23 and S24 in the implementation method of preparation method one that multi color temperature of the present invention mixes；
Fig. 7 is the structural representation of mobile terminal of the present invention.
Specific embodiment
Refering to Fig. 1, Fig. 1 is the structural representation of the implementation method of multi color temperature mixing light source one of the present invention, multi color temperature mixing
Light source includes：
Light source 11 and at least two fluorescent materials of different zones in the surface of light source 11 are respectively coated with, for by light source
11 light for sending are converted into the mixed light comprising at least two colour temperatures.
Wherein, in the present embodiment, the light source 11 is luminescence chip, can be luminous LED chip specifically.
Specifically, the LED chip can be specifically MB (Metal Bonding) chip, GB (Glue Bonding) chip
Or TS (transparent structure) chip etc..
Classify by chip manufacturing mode, can be LPE (Liquid Phase Epitaxy, liquid built crystallization), for example
GaP；VPE (Vapor Phase Epitaxy, gas phase epitaxy method), such as GaAsP, GaAs；MOVPE(Metal Organic
Vapor Phase Epitaxy, Organometallic Vapor Phase epitaxy method), such as AlGaInP, GaN；SH(Single
Heterostructure, single abnormally-structured), such as GaAlAs, GaAs；DH (Double Heterostructure, double abnormal shapes
Structure), such as GaAlAs, GaAs.
Optionally, in other embodiments, light source 11 can also be high-voltage pulse fluorescent tube.
Wherein, in the present embodiment, surface coating the first fluorescent material 12 and second fluorescent material 13 of light source 11,
Wherein, 12 cool colour temperature fluorescent materials of the first fluorescent material, the second fluorescent material is warm colour temperature fluorescent material.First phosphor
The fluorescent material 13 of material 12 and second is used to for the light that light source 11 sends to be converted into the mixed light comprising the gentle warm colour temperature of cool colour.
Wherein, the species of the fluorescent material is more, such as organic fluorescence materials and inorganic fluorescent material.Inorganic fluorescent material
Rare earth luminescence and rare-earth luminescent material are represented as, organic molecule luminescent material species is various, they are more with conjugation
Heterocycle and various chromophores, structure are easy to adjustment, are changed by introducing the unsaturated groups such as ethylene linkage, phenyl ring and various chromophores
Its conjugate length, so that compound optoelectronic property changes.
Optionally, in the present embodiment, fluorescent material is fluorescent material.Wherein, the first fluorescent material 12 is cool colour Wen Ying
Light powder, the light for light source to be sent is converted into light of the colour temperature more than 5000K (Kelvin), and the second fluorescent material 13 is warm colour Wen Ying
The light that light powder is used to send light source is converted into light of the colour temperature less than 3000K.
Specifically, the fluorescent material can be YAG (yag crystal) fluorescent material, if require cool colour temperature (colour temperature compared with
It is high), the shorter fluorescent material of Wavelength-selective；Such as require warm colour temperature (colour temperature is relatively low), Wavelength-selective fluorescent material more long.
Optionally, in other embodiments, it is provided between at least two fluorescent materials glimmering for isolating at least two
The silica gel of luminescent material.At least two fluorescent materials away from light source side, also including one layer of silica gel.
As shown in figure 1, being provided between the first fluorescent material 12 and the second fluorescent material 13 for isolating two kinds of phosphors
First layer of silica gel 14 of material, the surface of fluorescent material, that is, away from the side of light source 11, is additionally provided with the second layer of silica gel 15.
Prior art is different from, the multi color temperature mixing light source of present embodiment includes：Light source；It is respectively coated with light source surface
Different zones at least two fluorescent materials, the light for light source to be sent is converted into the mixing comprising at least two colour temperatures
Light.Through the above way, the mixed light of at least two colour temperatures can in the case of only with a luminescence chip, be formed, it is to avoid
Two different sizes, the luminescence chip of batch cause the problem of light mixing effect difference because of the difference of structure, improve mixing light source
Quality.
Refering to Fig. 2, Fig. 2 is the schematic flow sheet of the implementation method of preparation method one of multi color temperature mixing of the present invention, the method
Including：
S21：Make light source.
Specifically, as shown in figure 3, the general flow for making light source is：Wafer is cut into multiple luminescence chips (i.e. light source
11) after, arrange to form square piece on pad 10.
S22：Different zones on light source surface are respectively coated with least two fluorescent materials, and the light for light source to be sent turns
Change the mixed light comprising at least two colour temperatures into.
Optionally, as shown in Figure 4, it is possible to use the first mask plate coats cool colour temperature fluorescent material 12 on the surface of light source 11.
Specifically, one layer of cool colour temperature fluorescent material is first formed on light source 11, then by etching, exposure, development etc. on the first mask plate
Technique forms the cool colour temperature fluorescent material region of array distribution.
As shown in figure 5, recycling the second mask plate to coat warm colour temperature fluorescent material 13 on light source surface.Specific technique stream
Journey is similar with above-mentioned cool colour temperature fluorescent material, repeats no more here.
It should be understood that the order of above-mentioned formation cool colour temperature fluorescent material 12 and warm colour temperature fluorescent material 13 is not wanted here
Ask, any one fluorescent material can be initially formed, re-form another fluorescent material.
Optionally, as shown in fig. 6, after step s 22, can also include：
S23：The silica gel for isolating at least two fluorescent materials is formed between at least two fluorescent materials.
That is the first layer of silica gel 14.
S24：The silicon for protecting at least two fluorescent materials is formed away from the side of light source at least two fluorescent materials
Glue.
That is the second layer of silica gel 15.
It should be understood that the first above-mentioned layer of silica gel 14 and the second layer of silica gel 15 can be the same silica gel for being formed together
Layer.
Optionally, after above-mentioned steps completion, can be cut again, it is as shown in Figure 1 only comprising two kinds to be formed
The mixing light source of the fluorescent material of colour temperature.
Refering to Fig. 7, Fig. 7 is the structural representation of the implementation method of mobile terminal of the present invention, is mobile phone with the mobile terminal
As a example by, the mobile phone at least includes camera 71 and flash lamp 72, and specifically, the flash lamp 72 is to employ embodiment party as above
Multi color temperature mixing light source in formula makes what is formed, and its structure is similar with principle, repeats no more here.
In addition, the connected mode of camera 71 and flash lamp 72 and with the connection of mobile phone other components with existing skill
Art is identical, does not require here.
It should be understood that the flash lamp can apply to camera, it is also possible to for shoot certificate photo or FSCaller from
Bat machine, certainly, in other embodiments, the flash lamp can also be separately as an independent equipment in shooting or other necks
Domain uses.
Be different from prior art, the flash lamp that the mobile terminal of present embodiment is used include light source and be respectively coated with
At least two fluorescent materials of the different zones on light source surface, the light for light source to be sent is converted into comprising at least two colour temperatures
Mixed light.Through the above way, the mixing of at least two colour temperatures can in the case of only with a luminescence chip, be formed
Light, it is to avoid two different sizes, the luminescence chip of batch cause the problem of light mixing effect difference because of the difference of structure, improve
Final shooting effect.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of multi color temperature mixing light source, it is characterised in that including：
Light source；
At least two fluorescent materials of the different zones in the light source surface are respectively coated with, for the light for sending the light source
It is converted into the mixed light comprising at least two colour temperatures.
2. multi color temperature mixing light source according to claim 1, it is characterised in that
At least two fluorescent material at least includes cool colour temperature fluorescent material and warm colour temperature fluorescent material, for by the light source
The light for sending is converted into the mixed light comprising the gentle warm colour temperature of cool colour.
3. multi color temperature mixing light source according to claim 2, it is characterised in that
The cool colour temperature fluorescent material is used to for the light that the light source sends to be converted into light of the colour temperature more than 5000K, the warm colour
Warm fluorescent material is used to for the light that the light source sends to be converted into light of the colour temperature less than 3000K.
4. multi color temperature mixing light source according to claim 1, it is characterised in that
The light source is luminescence chip, and the fluorescent material is fluorescent material.
5. multi color temperature mixing light source according to claim 1, it is characterised in that
The silica gel for isolating at least two fluorescent material is provided between at least two fluorescent material.
6. multi color temperature mixing light source according to claim 1, it is characterised in that
At least two fluorescent material away from the light source side, also including one layer of silica gel.
7. a kind of mobile terminal, it is characterised in that be made including the multi color temperature mixing light source as described in claim any one of 1-6
Flash lamp.
8. a kind of preparation method of multi color temperature mixing light source, it is characterised in that including：
Make light source；
Different zones on the light source surface are respectively coated with least two fluorescent materials, and the light for the light source to be sent turns
Change the mixed light comprising at least two colour temperatures into.
9. method according to claim 8, it is characterised in that
The different zones on the light source surface are respectively coated with least two fluorescent materials, including：
Using the first mask plate cool colour temperature fluorescent material is coated on the light source surface；And
Using the second mask plate warm colour temperature fluorescent material is coated on the light source surface.
10. method according to claim 8, it is characterised in that also include：
The silica gel for isolating at least two fluorescent material is formed between at least two fluorescent material；And
Formed for protecting at least two fluorescent material away from the side of the light source at least two fluorescent material
Silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039860.1A CN106784259A (en) | 2016-11-10 | 2016-11-10 | A kind of multi color temperature mixing light source and preparation method thereof, mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039860.1A CN106784259A (en) | 2016-11-10 | 2016-11-10 | A kind of multi color temperature mixing light source and preparation method thereof, mobile terminal |
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| CN106784259A true CN106784259A (en) | 2017-05-31 |
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| CN201611039860.1A Pending CN106784259A (en) | 2016-11-10 | 2016-11-10 | A kind of multi color temperature mixing light source and preparation method thereof, mobile terminal |
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Citations (7)
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|---|---|---|---|---|
| CN101268554A (en) * | 2005-09-19 | 2008-09-17 | 皇家飞利浦电子股份有限公司 | Variable color light emitting device and method for controlling the same |
| KR20090001104A (en) * | 2007-06-29 | 2009-01-08 | 서울반도체 주식회사 | Light emitting apparatus having various color temperature |
| CN101752483B (en) * | 2008-12-15 | 2011-09-28 | 富士迈半导体精密工业（上海）有限公司 | Light emitting diode |
| CN102376832A (en) * | 2010-08-10 | 2012-03-14 | 艾笛森光电股份有限公司 | White light emitting diode |
| CN103489991A (en) * | 2013-09-27 | 2014-01-01 | 五邑大学 | Partitioned COB LED fluorescent film with high color rendering |
| TW201513402A (en) * | 2013-09-27 | 2015-04-01 | Lextar Electronics Corp | Light emitting diode package |
| CN104956502A (en) * | 2012-12-06 | 2015-09-30 | 欧司朗有限公司 | Light-emitting diode comprising a plurality of luminescent regions |
-
2016
- 2016-11-10 CN CN201611039860.1A patent/CN106784259A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268554A (en) * | 2005-09-19 | 2008-09-17 | 皇家飞利浦电子股份有限公司 | Variable color light emitting device and method for controlling the same |
| KR20090001104A (en) * | 2007-06-29 | 2009-01-08 | 서울반도체 주식회사 | Light emitting apparatus having various color temperature |
| CN101752483B (en) * | 2008-12-15 | 2011-09-28 | 富士迈半导体精密工业（上海）有限公司 | Light emitting diode |
| CN102376832A (en) * | 2010-08-10 | 2012-03-14 | 艾笛森光电股份有限公司 | White light emitting diode |
| CN104956502A (en) * | 2012-12-06 | 2015-09-30 | 欧司朗有限公司 | Light-emitting diode comprising a plurality of luminescent regions |
| CN103489991A (en) * | 2013-09-27 | 2014-01-01 | 五邑大学 | Partitioned COB LED fluorescent film with high color rendering |
| TW201513402A (en) * | 2013-09-27 | 2015-04-01 | Lextar Electronics Corp | Light emitting diode package |
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