CN207421802U

CN207421802U - A kind of high-power multicolored COB light source

Info

Publication number: CN207421802U
Application number: CN201721339253.7U
Authority: CN
Inventors: 马志华; 刘飞宇; 屈军毅
Original assignee: Shenzhen Lepower Opto Electronics Co Ltd
Current assignee: Shenzhen Lepower Opto Electronics Co Ltd
Priority date: 2017-10-18
Filing date: 2017-10-18
Publication date: 2018-05-29
Anticipated expiration: 2027-10-18

Abstract

The utility model discloses a kind of high-power multicolored COB light sources, red light region including PCB substrate and in the PCB substrate, green wavelength, blue region, warm white region and positive white light field, red light region is equipped with red wafer, green wavelength is equipped with green wafer, blue region is equipped with the first blue light chip, warm white region is equipped with the second blue light chip and coated in the first fluorescent powder on the second blue light chip, positive white light field is equipped with the 3rd blue light chip and coated in the second fluorescent powder on the 3rd blue light chip, red wafer, green wafer, first blue light chip, second blue light chip and the 3rd blue light chip are connected with PCB substrate.The high-power multicolored COB light source of one kind provided by the utility model, is used by five kinds of colour match, can be mixed light effect and be formed full spectrum effects, TLCI indexes make the irradiation of five color light sources reach good photographic effects close to 100.

Description

A kind of high-power multicolored COB light source

Technical field

The utility model is related to a kind of high-power multicolored COB light sources.

Background technology

With the continuous improvement of camera work requirement, traditional Metal halogen lamp colour rendering index RA is close to 100, using full spectrum side Case proposes the requirement of higher TLCI indexes and spectrum for the LED light source of replacement, so photography luminaire light source is to reach more excellent Effect, in the replacement process with LED light source, it is common to use be RGB COB products, this mode causes mixed light uneven It is even, TLCI characteristic underflows.

More than deficiency, have much room for improvement.

Utility model content

In order to overcome the shortcomings of existing technology, the utility model provides a kind of high-power multicolored COB light source.

Technical solutions of the utility model are as described below：

A kind of high-power multicolored COB light source, red light region, green Region including PCB substrate and in the PCB substrate Domain, blue region, warm white region and positive white light field, the red light region are equipped with red wafer, and the green wavelength is equipped with Green wafer, the blue region are equipped with the first blue light chip, and the warm white region is equipped with the second blue light chip and is coated in The first fluorescent powder on the second blue light chip, the positive white light field are equipped with the 3rd blue light chip and coated in the described 3 The second fluorescent powder on blue light chip, the red wafer, the green wafer, the first blue light chip, second indigo plant Light chip and the 3rd blue light chip are connected with the PCB substrate.

Further, the red wafer, the green wafer, the first blue light chip pass through the first mucilage sealing Dress；First fluorescent powder is mixed with the second glue coated on the second blue light chip；Second fluorescent powder and the 3rd Glue mixing is coated on the 3rd blue light chip.

Further, first fluorescent powder is mixed by green emitting phosphor, yellow fluorescent powder and red fluorescence powder；Institute The second fluorescent powder is stated to be mixed by green emitting phosphor and red fluorescence powder.

Further, the red wafer, the green wafer, the first blue light chip, the second blue light chip And the 3rd blue light chip size it is identical and for same grade chip.

Further, the colour rendering index RA of the positive white light field>95, the colour rendering index RA ﹥ 95 in the warm white region.

Further, the colour temperature of the positive white light field is 5000~7000K, and the colour temperature in the warm white region is 2800 ~3500K.

Further, the brightness ratio of the red light region, the green wavelength and the blue region is 2：3：1.

Further, the red wafer, the green wafer and the first blue light wafer tandem, the feux rouges are brilliant Voltage range is 24~36V after piece, the green wafer and the first blue light wafer tandem.

Further, the red light region, the green wavelength and the blue region, the warm white region and described The periphery of positive white light field is equipped with box dam glue.

Further, the box dam glue is white or transparent.

According to the utility model of said program, its advantage is, one kind high-power five provided by the utility model Color COB light source is used by five kinds of colour match, can mix light effect and form full spectrum effects, TLCI indexes make close to 100 The irradiation of five color light sources reaches good photographic effects.

Description of the drawings

Fig. 1 is the structure diagram one of the utility model.

Fig. 2 is the structure diagram two of the utility model.

Reference numeral is as follows in the figure：

1- red light regions；2- green wavelengths；3- blue regions；4- warm whites region；The positive white light fields of 5-；6-PCB substrates； 7- box dam glue；

11- red wafers；21- green wafers；31- the first blue light chips；41- the second blue light chips；The 3rd blue lights of 51- are brilliant Piece.

Specific embodiment

Below in conjunction with the accompanying drawings and the utility model is further described in embodiment：

Term " first ", " second " be only used for description purpose, and it is not intended that instruction or imply relative importance or The implicit quantity for indicating indicated technical characteristic.

As shown in Figure 1 to Figure 2, a kind of high-power multicolored COB light source, including PCB substrate 6 and red in PCB substrate 6 Light region 1, green wavelength 2, blue region 3, warm white region 4 and positive white light field 5, red light region 1 are equipped with red wafer 11, Green wavelength 2 is equipped with green wafer 21, and blue region 3 is equipped with the first blue light chip 31, and it is brilliant that warm white region 4 is equipped with the second blue light Piece 41 and coated in the first fluorescent powder on the second blue light chip 41, positive white light field 5 is equipped with the 3rd blue light chip 51 and coating The second fluorescent powder on the 3rd blue light chip 51, red wafer 11, green wafer 21, the first blue light chip 31, the second blue light 41 and the 3rd blue light chip 51 of chip is connected with PCB substrate 6.

The operation principle of high-power multicolored COB light source provided in this embodiment is：Second blue light chip 41 and the first fluorescence The cooperation of powder generates positive white light, and the cooperation of the 3rd blue light chip 51 and the second fluorescent powder generates warm white, red light region 1, green light Region 2, the light in 5 five colors region of blue region 3, warm white region 4 and positive white light field are collocated with each other, so as to fulfill mixing light efficiency Fruit shape helps spectrum effects.

High-power multicolored COB light source provided in this embodiment has the beneficial effect that：A kind of big work(provided by the utility model Rate five colors COB light source is used by five kinds of colour match, can mix light effect and form full spectrum effects, TLCI indexes approach 100, the irradiation of five color light sources is made to reach good photographic effects.

In one embodiment, red wafer 11, green wafer 21, the first blue light chip 31 pass through the first mucilage sealing Dress；First fluorescent powder is mixed with the second glue coated on the second blue light chip 41；Second fluorescent powder mixes painting with the 3rd glue It is overlying on the 3rd blue light chip 51.The refractive index of first glue, the second glue and the 3rd glue be 1.4 LED encapsulation with saturating Bright silica gel, in same plane height after each light-emitting zone glue package.

In one embodiment, the first fluorescent powder is mixed by green emitting phosphor, yellow fluorescent powder and red fluorescence powder, Green emitting phosphor peak wavelength is 530~535nm, and yellow fluorescent powder peak wavelength is in 555~565nm, red fluorescence powder peak value Wavelength is matched between 650~655nm, each fluorescent powder depending on positive white color area coordinate；

Second fluorescent powder is mixed by green emitting phosphor and red fluorescence powder, green emitting phosphor peak wavelength for 530~ 535nm, red fluorescence powder peak wavelength are matched between 650~655nm, each fluorescent powder depending on the photochromic area's coordinate of warm white.

In one embodiment, the colour rendering index RA of positive white light field 5>95, the colour rendering index RA ﹥ 95 in warm white region 4.

In one embodiment, the wavelength of red wafer 11 is 620~630nm；The wavelength of green wafer 21 for 520~ 530nm；The wavelength of first blue light chip 31 is 455~465nm；The colour temperature of positive white light field is 5000~7000K；Warm white area The colour temperature in domain is 2800~3500K.

In one embodiment, red wafer 11, green wafer 21, the first blue light chip 31, the second blue light chip 41 and The size of 3rd blue light chip 51 is identical and is the chip of same grade, in one embodiment, red wafer 11, green wafer 21st, the size of the first blue light chip 31, the second blue light chip 41 and the 3rd blue light chip 51 is 38 × 38mil.

In one embodiment, red light region 1, green wavelength 2 and blue region 3, warm white region 4 and positive white light field 5 periphery is equipped with box dam glue 7.In one embodiment, box dam glue 7 is white or transparent.

In one embodiment, the brightness ratio of red light region 1, green wavelength 2 and blue region 3 is 2：3：1.

In one embodiment, red wafer 11,21 and first blue light chip 31 of green wafer are connected, red wafer 11, Voltage range is 24~36V after the series connection of 21 and first blue light chip 31 of green wafer.

In one embodiment, red wafer 11 is gone here and there together for 12；Green wafer 21 goes here and there two simultaneously for eight；First blue light is brilliant 31 are gone here and there together for nine；Second blue light chip 41 is gone here and there together for eight；3rd blue light chip 51 is gone here and there together for eight.

In one embodiment, PCB substrate 6 is formal dress substrate.

In one embodiment, PCB substrate 6 is copper base or mirror-surface aluminum base board or ceramic substrate.

The manufacture craft of high-power multicolored COB light source provided by the utility model is:

Material, which prepares, -- expands -- die bond operation -- baking operation -- box dam operation -- the point powder operation -- baking of crystalline substance-crystal-bonding adhesive Operation -- test jobs -- packaging and storage.

It should be appreciated that for those of ordinary skills, can be improved or converted according to the above description, And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.

Illustrative description is carried out to the utility model patent above in conjunction with attached drawing, it is clear that the reality of the utility model patent Now be not subject to the restrictions described above, if employ the utility model patent methodology and technical solution carry out it is various Improve or it is not improved the design of the utility model patent and technical solution are directly applied into other occasions, in this reality With in new protection domain.

Claims

A kind of 1. high-power multicolored COB light source, which is characterized in that the red light district including PCB substrate and in the PCB substrate Domain, green wavelength, blue region, warm white region and positive white light field, the red light region are equipped with red wafer, the green light Region is equipped with green wafer, and the blue region is equipped with the first blue light chip, and the warm white region is equipped with the second blue light chip And coated in the first fluorescent powder on the second blue light chip, the positive white light field is equipped with the 3rd blue light chip and is coated in The second fluorescent powder on the 3rd blue light chip, the red wafer, the green wafer, the first blue light chip, institute It states the second blue light chip and the 3rd blue light chip is connected with the PCB substrate.
2. high-power multicolored COB light source according to claim 1, which is characterized in that the red wafer, the green light are brilliant Piece, the first blue light chip pass through the first glue package；First fluorescent powder is mixed with the second glue coated on described On second blue light chip；Second fluorescent powder is mixed with the 3rd glue coated on the 3rd blue light chip.
3. high-power multicolored COB light source according to claim 1, which is characterized in that first fluorescent powder is glimmering by green Light powder, yellow fluorescent powder and red fluorescence powder mix；Second fluorescent powder is mixed by green emitting phosphor and red fluorescence powder It closes.
4. high-power multicolored COB light source according to claim 1, which is characterized in that the red wafer, the green light are brilliant Piece, the first blue light chip, the size of the second blue light chip and the 3rd blue light chip be identical and crystalline substance for same grade Piece.
5. high-power multicolored COB light source according to claim 1, which is characterized in that the colour developing of the positive white light field refers to Number RA>95, the colour rendering index RA ﹥ 95 in the warm white region.
6. high-power multicolored COB light source according to claim 1, which is characterized in that the colour temperature of the positive white light field is 5000~7000K, the colour temperature in the warm white region is 2800~3500K.
7. high-power multicolored COB light source according to claim 1, which is characterized in that the red light region, the green Region The brightness ratio of domain and the blue region is 2：3：1.
8. high-power multicolored COB light source according to claim 1, which is characterized in that the red wafer, the green light are brilliant Piece and the first blue light wafer tandem, electricity after the red wafer, the green wafer and the first blue light wafer tandem Pressure scope is 24~36V.
9. high-power multicolored COB light source according to claim 1, which is characterized in that the red light region, the green Region Domain and the periphery of the blue region, the warm white region and the positive white light field are equipped with box dam glue.
10. high-power multicolored COB light source according to claim 9, which is characterized in that the box dam glue is for white or thoroughly It is bright.