CN204648124U - A kind of ultraviolet LED lamp - Google Patents
A kind of ultraviolet LED lamp Download PDFInfo
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- CN204648124U CN204648124U CN201520204294.XU CN201520204294U CN204648124U CN 204648124 U CN204648124 U CN 204648124U CN 201520204294 U CN201520204294 U CN 201520204294U CN 204648124 U CN204648124 U CN 204648124U
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- led lamp
- ultraviolet led
- light
- ultraviolet
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Abstract
The utility model relates to a kind of ultraviolet LED lamp, belongs to technical field of electronic products, it solves the uncontrollable problem of prior art medium ultraviolet LED colour rendering index.This ultraviolet LED lamp, comprise bearing substrate, bearing substrate is respectively equipped with three UV LED chip separately controlled, UV LED chip surface is coated with red fluorescence powder, blue colour fluorescent powder and green emitting phosphor respectively, and UV LED chip Ji Hair fluorescent material radiates ruddiness, blue light and green glow.This ultraviolet LED lamp is coated with red, blue, green three-color phosphor respectively by three UV LED chip surfaces, form RGB three-colour light-emitting, and whole red, blue, the green glow three look bright dipping spectrum of the Flooding Move Electricity Liu ， Tone controlling separately three chips superposes formation white light, reaches the object of adjustment white light color.
Description
Technical field
The utility model belongs to technical field of electronic products, relates to the ultraviolet LED lamp of a kind of ultraviolet LED lamp, particularly a kind of high color rendering index (CRI).
Background technology
White light light emitting diode (LED) is considered to the lighting source after incandescent lamp and fluorescent lamp.Compared with conventional light source, the semiconductor illuminating light source of all solid state work has a series of advantages such as luminous efficiency is high, the life-span is long, volume is little, fast response time, the impact of resistance to antidetonation, use safety, is a kind ofly to meet environmental protection and energy-conservation green illumination light source.
At present, realize the mode of White light, using maximum is blue-ray LED+YAG fluorescent powder, but its colour rendering of the white light obtained by this kind of mode, colour temperature Hui has larger change along with the change of operating current and operating temperature.Use ultraviolet LED to swash to penetrate RGB fluorescent material and produce white light, due to controlling of production process not easily, and colour rendering index and colour temperature change with operating current and operating temperature significant change occur, and need be obtained the white light of different-colour by different RGB fluorescent material proportionings.Based on the above, the mode of this patent generation white light becomes the development trend of following white light LEDs.
In addition, Chinese patent (Authorization Notice No. CN2593229Y) discloses a kind of technical scheme being excited the RGB fluorescent material be arranged on light guide plate by ultraviolet leds, and wherein, RGB fluorescent material is applied on light guide plate after mixing in proportion.But this kind of mode can cause the resorption of RGB fluorescent material, causes luminous efficiency to reduce.And cause its colour rendering index to control inaccuracy, accurately adjustment cannot go out high color rendering index (CRI) white light, affect the uniformity of product.
Utility model content
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of structure simple, the ultraviolet LED lamp that display effect is good.
The purpose of this utility model realizes by following technical proposal: a kind of ultraviolet LED lamp, comprise bearing substrate, described bearing substrate is respectively equipped with three UV LED chip separately controlled, described UV LED chip is coated with red fluorescence powder, blue colour fluorescent powder and green emitting phosphor respectively, when fluorescent material excites the coloured light sending ruddiness, green glow, blue light by ultraviolet chip, go to control spectrum superposition and form white light.
In above-mentioned ultraviolet LED lamp, the wavelength that described red light fluorescent powder inspires is 580 ~ 660nm.
In above-mentioned ultraviolet LED lamp, the wavelength that described green light fluorescent powder inspires is 505 ~ 540nm.
In above-mentioned ultraviolet LED lamp, the wavelength that described blue light fluorescent powder inspires is 450 ~ 480nm.
In above-mentioned ultraviolet LED lamp, the ultraviolet wavelength that described ultraviolet chip sends is 265 ~ 420nm.
Compared with prior art, this ultraviolet LED lamp is coated with red, blue, green three-color phosphor respectively by three UV LED chip, form RGB three-colour light-emitting chip, and three chips control separately, the spectrum superposition that three looks are formed forms white light, because three chips control separately, therefore by regulating the Current Control of each chip intensity of respectively giving out light to reach and regulate the object of white light color, therefore this ultraviolet LED lamp colour rendering index is high, and client can from the color of Row sum-equal matrix LED white-light emitting.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this ultraviolet LED lamp;
Fig. 2 is the spectrogram that in this ultraviolet LED lamp, green light fluorescent powder inspires;
Fig. 3 is the spectrogram that in this ultraviolet LED lamp, blue light fluorescent powder inspires;
Fig. 4 is the spectrogram that in this ultraviolet LED lamp, red light fluorescent powder inspires;
Fig. 5 is the spectrogram of white light in this ultraviolet LED lamp.
In figure, 1, bearing substrate; 2, UV LED chip; 3, red light fluorescent powder; 4, blue light fluorescent powder; 5, green light fluorescent powder.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this ultraviolet LED lamp, comprise bearing substrate 1, described bearing substrate 1 is respectively equipped with three UV LED chip 2 separately controlled, described UV LED chip 2 is coated with respectively red fluorescence powder 3, blue colour fluorescent powder 4 and green emitting phosphor 5, when fluorescent material by ultraviolet chip excite send ruddiness, green glow, blue light coloured light go control spectrum superposition formed white light.The wavelength that described red light fluorescent powder 3 inspires is 580 ~ 660nm, the wavelength that described green light fluorescent powder 5 inspires is 505 ~ 540nm, the wavelength that described blue light fluorescent powder 4 inspires is 450 ~ 480nm, and the ultraviolet wavelength that described ultraviolet chip sends is 265 ~ 420nm.
Light for convenience of this ultraviolet LED lamp regulates, and the drive current of described UV LED chip 2 is adjustable, to realize the adjustment of white light colour temperature.
This ultraviolet LED lamp is coated with red, blue, green three-color phosphor respectively by three UV LED chip 2, form RGB three-colour light-emitting chip, and three chips control separately, the spectrum superposition that three looks are formed forms white light, because three chips control separately, therefore by regulating the Current Control of each chip intensity of respectively giving out light to reach and regulate the object of white light color, therefore this ultraviolet LED lamp colour rendering index is high, and client can from the color of Row sum-equal matrix LED white-light emitting.
The preparation method of above-mentioned ultraviolet LED lamp is as follows:
A, wafer are fixed: be fixed on by wafer on bearing substrate;
B, die bond are toasted: bearing substrate and wafer are put into baking box with 170 DEG C of high-temperature bakings 3 hours;
C, the cleaning of electricity slurry
D, bonding wire: after baking-curing, be connected on bearing substrate by metal wire by chip;
E, respectively blue colour fluorescent powder, green emitting phosphor, red fluorescence powder are put to three UV LED chip;
F, baking-curing, send into baking box baking 1 hour at 85 DEG C of temperature respectively to the material in step e, toast 1 hour at 120 DEG C, toast 3 hours, complete products solidifying at 150 DEG C; Form ultraviolet LED lamp;
G, packaging warehouse-in.
As Fig. 2,3,4, for green light fluorescent powder, blue light fluorescent powder, red light fluorescent powder the spectrogram that inspires, Fig. 5 is the white-light spectrum figure obtained after three mixture of colours,
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. a ultraviolet LED lamp, comprise bearing substrate, described bearing substrate is respectively equipped with three UV LED chip separately controlled, described UV LED chip is coated with red fluorescence powder, blue colour fluorescent powder and green emitting phosphor respectively, when fluorescent material excites by ultraviolet chip, send the coloured light of ruddiness, green glow, blue light, go to control spectrum superposition and form white light.
2. ultraviolet LED lamp according to claim 1, is characterized in that, the wavelength that described red light fluorescent powder inspires is 580 ~ 660nm.
3. ultraviolet LED lamp according to claim 1, is characterized in that, the wavelength that described green light fluorescent powder inspires is 505 ~ 540nm.
4. ultraviolet LED lamp according to claim 1, is characterized in that, the wavelength that described blue light fluorescent powder inspires is 450 ~ 480nm.
5. ultraviolet LED lamp according to claim 1, is characterized in that, the ultraviolet wavelength that described ultraviolet chip sends is 265 ~ 420nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204294.XU CN204648124U (en) | 2015-04-08 | 2015-04-08 | A kind of ultraviolet LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204294.XU CN204648124U (en) | 2015-04-08 | 2015-04-08 | A kind of ultraviolet LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204648124U true CN204648124U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520204294.XU Expired - Fee Related CN204648124U (en) | 2015-04-08 | 2015-04-08 | A kind of ultraviolet LED lamp |
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| CN (1) | CN204648124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524392A (en) * | 2018-12-07 | 2019-03-26 | 厦门大学 | A kind of LED matrix of near ultraviolet excited white light |
| CN111106217A (en) * | 2018-10-25 | 2020-05-05 | 晶能光电（江西）有限公司 | Preparation method of full-spectrum white light LED light-emitting device |
| CN111725193A (en) * | 2019-03-20 | 2020-09-29 | 佛山市国星光电股份有限公司 | LED device, LED lamp strip and brightening system |
-
2015
- 2015-04-08 CN CN201520204294.XU patent/CN204648124U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106217A (en) * | 2018-10-25 | 2020-05-05 | 晶能光电（江西）有限公司 | Preparation method of full-spectrum white light LED light-emitting device |
| CN109524392A (en) * | 2018-12-07 | 2019-03-26 | 厦门大学 | A kind of LED matrix of near ultraviolet excited white light |
| CN111725193A (en) * | 2019-03-20 | 2020-09-29 | 佛山市国星光电股份有限公司 | LED device, LED lamp strip and brightening system |
| CN111725193B (en) * | 2019-03-20 | 2022-05-24 | 佛山市国星光电股份有限公司 | LED device, LED lamp strip and brightening system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20190408 |