CN106252337A - A kind of LED integrated optical source of color rendering index and adjustable color - Google Patents
A kind of LED integrated optical source of color rendering index and adjustable color Download PDFInfo
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- CN106252337A CN106252337A CN201610653496.1A CN201610653496A CN106252337A CN 106252337 A CN106252337 A CN 106252337A CN 201610653496 A CN201610653496 A CN 201610653496A CN 106252337 A CN106252337 A CN 106252337A
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- rendering index
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- 238000009877 rendering Methods 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 47
- 241001025261 Neoraja caerulea Species 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 241001062009 Indigofera Species 0.000 claims 1
- 230000004308 accommodation Effects 0.000 description 8
- 238000004643 material aging Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
- H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Led Device Packages (AREA)
Abstract
The present invention discloses the LED integrated optical source of a kind of color rendering index and adjustable color, including substrate, several fluorescent material cofferdam it are provided with on described substrate, described fluorescent material cofferdam is both provided with several blue-ray LEDs and red-light LED in region, described blue-ray LED is serially connected, described red-light LED is serially connected, the YAG:Ce3+ fluorescent material of several fluorescent material cofferdam described alternately coating 2300 2800K colour temperatures and the YAG:Ce3+ fluorescent material of 6000 6800K colour temperatures.
Description
Technical field
The present invention relates to semiconductor optoelectronic, Optical manufacture technology field, be specifically related to a kind of color rendering index and adjustable color
LED integrated optical source.
Background technology
Traditional intelligent scalable LED, is concentrated mainly in the adjustment of colour temperature, and seldom relates to the tune to color rendering index
Joint.Existing LED on market, in order to reduce and show the inherent colour of object, is all pursuing high color rendering properties.But spy
Different occasion, can reach effectively to regulate atmosphere by the regulation of color rendering properties, and the psychology of people is reached intended impact.This
Time, color rendering index, colour temperature are the most adjustable to be particularly important.
At present, prior art is the colour temperature being adjusted LED integrated optical source by controlling the luminescence of LED modules with different colors
, the adjustable color LED integrated optical source so obtained can cause color rendering index too low, it is impossible to reaches standard-required;And colour temperature can
The LED integrated optical source of the high color rendering index (CRI) of the COB encapsulation adjusted, is directly with fluorescent material and encapsulation by the LED chip of different colours
Glue carries out covering protection, and it is uneven that the LED integrated optical source of the adjustable color high color rendering index (CRI) so made there will be color, color
The softest, the problems such as colour temperature range of accommodation is too small.
One as open in the Chinese utility model patent of Application No. 201420478602.3 has high color rendering index (CRI) and color
The COB light source of temperature adjustable function, it is characterised in that it includes that COB substrate, COB substrate are provided with multiple independent light source region and chip
Group electrode, the middle part in independent light source region is provided with red LED chip, and the surrounding of the red LED chip in independent light source region is uniform
Distribution is provided with multiple blue-light LED chip, is additionally provided with pad in independent light source region, and blue-light LED chip is connected to weldering by bonding wire
Dish, red LED chip negative pole is connected to pad by bonding wire, and red LED chip positive pole is fixed to circuit by conduction crystal-bonding adhesive
And be connected with chipset electrode by circuit;It is coated with phosphor gel in independent light source region.Directly in independence in this technical scheme
Light source region covers phosphor gel, and all coats same phosphor gel, cause that color is uneven, colour temperature and color rendering index
Range of accommodation the biggest.
Summary of the invention
Present invention aim to address the defect of prior art, it is provided that the LED of a kind of color rendering index and adjustable color is integrated
Light source, the technical scheme of employing is as follows:
The LED integrated optical source of a kind of color rendering index and adjustable color, including substrate, described substrate is provided with several glimmering
Light powder cofferdam, described fluorescent material cofferdam is both provided with several blue-ray LEDs and red-light LED in region, and described blue-ray LED is mutually gone here and there
Connection, described red-light LED is serially connected, and the YAG:Ce3+ of several fluorescent material cofferdam described alternately coating 2300-2800K colour temperature is glimmering
The YAG:Ce3+ fluorescent material of light powder and 6000-6800K colour temperature.
In the present invention, blue-ray LED, by exciting two groups of different fluorescent material, produces high color temperature white light and low color temperature white light
Mixing, by regulating the electric current of blue-ray LED, can realize adjustable color;And control effectively to regulate to the electric current of red-light LED
Color rendering index.Namely by blue-ray LED and the control of red-light LED electric current, it is achieved regulate while colour temperature and development index.
In prior art, the LED integrated optical source of the high color rendering index (CRI) of the COB encapsulation of adjustable color, is by straight for the LED chip of different colours
Connecing and carry out covering protection, and fluorescent material only one with fluorescent material and packaging plastic, the adjustable color height so made colour developing refers to
It is uneven that the LED integrated optical source of number there will be color, the problems such as color is the softest, and colour temperature range of accommodation is too small.And the present invention
The most direct fluorescent material and packaging plastic cover, and are utilized in periphery and arrange the mode in cofferdam, the light transmission that LED sends
Cofferdam issues again, and in the present invention, some of which region is the YAG:Ce3+ fluorescent material of coating 2300-2800K colour temperature,
And the coating of other regions is the YAG:Ce3+ fluorescent material of 6000-6800K colour temperature, produced light ratio is of the prior art
The combination of LED integrated optical source is more, therefore the LED integrated optical source uniform in color of the present invention, and color is soft, and the colour temperature of raising is with aobvious
Show the range of accommodation of index.
As preferably, the isolated area that each cofferdam surrounds is both provided with 6 blue-ray LEDs and 3 red-light LEDs.
As preferably, in the area defined of cofferdam, the mode of LED arrangement is: nine LED are arranged in the matrix of 3 × 3,
Wherein red-light LED is arranged separately on first row, the 3rd row and secondary series, and forms isosceles triangle or isosceles triangle.
Blue-ray LED in the region of each individual packages and red-light LED be spaced in an optimal manner after simulation test into
Row arrangement, arrangement mode ensure that the uniformity of color after outgoing.
As preferably, described substrate being provided with four fluorescent material cofferdam, described cofferdam is arranged in the matrix of 2 × 2.
As preferably, described COB substrate is metal basal board or ceramic substrate.
Compared with prior art, beneficial effects of the present invention: the most direct fluorescent material and packaging plastic cover, but
Using the mode arranging cofferdam at periphery, the light transmission cofferdam that LED sends issues again, the LED integrated optical source of the present invention being
Uniform in color, color is soft, and colour temperature range of accommodation is big.Meanwhile, the blue-ray LED in the region of each individual packages and HONGGUANG
LED after simulation test in an optimal manner interval arrange, arrangement mode ensure that the uniformity of color after outgoing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LED integrated optical source of the color rendering index of the present invention and adjustable color;
Fig. 2 is the layout viewing of the red LED lamp bead of the LED integrated optical source of the color rendering index of the present invention and adjustable color;
Fig. 3 is the layout viewing of the blue led lamp bead of the LED integrated optical source of the color rendering index of the present invention and adjustable color;
In figure, 5, blue-ray LED, 6, series conductor wire between LED, 7, red-light LED, 8, go between conductive electrode and LED on plate, 9, plate
Upper circuit, 10, red-light LED negative electrode pin 10,11, blue-ray LED anelectrode pin, 12, red-light LED anelectrode pin, 13, blue
Light LED negative electrode pin 13,14-17 fluorescent material cofferdam, 18, circuit substrate
Detailed description of the invention
It is that the present invention is described in further detail by embodiment below in conjunction with the accompanying drawings.
Embodiment:
As shown in Figure 1 to Figure 3, the LED integrated optical source of a kind of color rendering index and adjustable color, including substrate, described substrate
On be provided with several fluorescent material cofferdam, described fluorescent material cofferdam is both provided with several blue-ray LEDs and red-light LED in region,
Described blue-ray LED is serially connected, and described red-light LED is serially connected, and several fluorescent material cofferdam described alternately coat 2300-
The YAG:Ce3+ fluorescent material of 2800K colour temperature and the YAG:Ce3+ fluorescent material of 6000-6800K colour temperature.
In the present invention, blue-ray LED, by exciting two groups of different fluorescent material, produces high color temperature white light and low color temperature white light
Mixing, by regulating the electric current of blue-ray LED, can realize adjustable color;And control effectively to regulate to the electric current of red-light LED
Color rendering index.Namely by blue-ray LED and the control of red-light LED electric current, it is achieved regulate while colour temperature and development index.
In prior art, the LED integrated optical source of the high color rendering index (CRI) of the COB encapsulation of adjustable color, is by straight for the LED chip of different colours
Connecing and carry out covering protection with fluorescent material and packaging plastic, the LED integrated optical source of the adjustable color high color rendering index (CRI) so made can go out
Existing color is uneven, the problems such as color is the softest, and colour temperature range of accommodation is too small.And the present invention is the most directly by fluorescent material and envelope
Dress glue covers, and is utilized in periphery and arranges the mode in cofferdam, and the light transmission cofferdam that LED sends issues again, the basis being
The LED integrated optical source uniform in color of invention, color is soft, and colour temperature range of accommodation is big.
In the present embodiment, the isolated area that each cofferdam surrounds is both provided with 6 blue-ray LEDs and 3 red-light LEDs.
In the present embodiment, in the area defined of cofferdam, the mode of LED arrangement is: nine LED are arranged in the square of 3 × 3
Battle array, wherein red-light LED is arranged separately on first row, the 3rd row and secondary series, and forms isosceles triangle or isoceles triangle
Shape.
Blue-ray LED in the region of each individual packages and red-light LED be spaced in an optimal manner after simulation test into
Row arrangement, arrangement mode ensure that the uniformity of color after outgoing.
Being provided with four fluorescent material cofferdam on described substrate, described cofferdam is arranged in the matrix of 2 × 2.Wherein fluorescent material encloses
Weir 14 and 16 is coated with the YAG:Ce3+ fluorescent material of 6000-6800K colour temperature, and 15 and 17 are coated with the YAG of 2300-2800K colour temperature:
Ce3+ fluorescent material.
Described COB substrate is ceramic substrate.
The manufacture method of the LED integrated optical source of the present embodiment is as follows:
By 12 red-light LEDs 7 with crystal-bonding adhesive according to the arrangement mode of Fig. 2 directly against being contained in the region that fluorescent material cofferdam surrounds
In.
By 24 blue-ray LEDs 5 with crystal-bonding adhesive according to the arrangement mode of Fig. 3 directly against being contained in the region that fluorescent material cofferdam surrounds
In.
According to the wire laying mode of Fig. 1, from the beginning of red-light LED negative electrode pin 10, by series conductor wire 6, on-board circuitry 9,
On plate, between electrode and LED, 12 red-light LEDs 7 are connected serially to red-light LED anelectrode pin 12 by lead-in wire 8.
According to the wire laying mode of Fig. 1, from the beginning of blue-ray LED anelectrode pin 11, by series conductor wire 6, on-board circuitry 9,
On plate, between electrode and LED, 24 blue-ray LEDs 5 are connected serially to blue-ray LED negative electrode pin 13 by lead-in wire 8.
Shelter from the region that fluorescent material cofferdam 15 and 17 is formed, the region coating that fluorescent material cofferdam 14 and 16 is formed
The YAG:Ce3+ fluorescent material of 6000-6800K colour temperature.
Shelter from the region that fluorescent material cofferdam 14 and 16 is formed, the region coating that fluorescent material cofferdam 15 and 17 is formed
The YAG:Ce3+ fluorescent material of 2300-2800K colour temperature.
The color rendering index Ra=70 in the region that fluorescent material cofferdam 14 and 16 is formed, the region that fluorescent material cofferdam 15 and 17 is formed
Color rendering index Ra=70.
The color rendering index Ra adjustable extent of the integrated light source formed after described mixing is 68~82.
Compared with prior art, beneficial effects of the present invention: the most direct fluorescent material and packaging plastic cover, but
Using the mode arranging cofferdam at periphery, the light transmission cofferdam that LED sends issues again, the LED integrated optical source of the present invention being
Uniform in color, color is soft, and colour temperature range of accommodation is big.Meanwhile, the blue-ray LED in the region of each individual packages and HONGGUANG
LED after simulation test in an optimal manner interval arrange, arrangement mode ensure that the uniformity of color after outgoing.
Claims (5)
1. a LED integrated optical source for color rendering index and adjustable color, including substrate, it is characterised in that arrange on described substrate
Several fluorescent material cofferdam, described fluorescent material cofferdam is had to be both provided with several blue-ray LEDs and red-light LED, described indigo plant in region
Light LED is serially connected, and described red-light LED is serially connected, several fluorescent material cofferdam described alternately coating 2300-2800K colour temperature
YAG:Ce3+ fluorescent material and the YAG:Ce3+ fluorescent material of 6000-6800K colour temperature.
A kind of color rendering index the most according to claim 1 and the LED integrated optical source of adjustable color, it is characterised in that often
The isolated area that individual cofferdam surrounds is both provided with 6 blue-ray LEDs and 3 red-light LEDs.
A kind of color rendering index the most according to claim 2 and the LED integrated optical source of adjustable color, it is characterised in that enclosing
In the area defined of weir, the mode of LED arrangement is: nine LED are arranged in the matrix of 3 × 3, and wherein red-light LED is arranged separately on
First row, the 3rd row and secondary series, and form isosceles triangle or isosceles triangle.
A kind of color rendering index the most according to claim 3 and the LED integrated optical source of adjustable color, it is characterised in that described
Being provided with four fluorescent material cofferdam on substrate, described cofferdam is arranged in the matrix of 2 × 2.
A kind of color rendering index the most according to claim 1 and the LED integrated optical source of adjustable color, it is characterised in that described
COB substrate is metal basal board or ceramic substrate.
Priority Applications (1)
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CN201610653496.1A CN106252337B (en) | 2016-08-10 | 2016-08-10 | A kind of LED integrated optical source of colour rendering index and adjustable color |
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CN201610653496.1A CN106252337B (en) | 2016-08-10 | 2016-08-10 | A kind of LED integrated optical source of colour rendering index and adjustable color |
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CN106252337A true CN106252337A (en) | 2016-12-21 |
CN106252337B CN106252337B (en) | 2019-05-17 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106711312A (en) * | 2017-03-14 | 2017-05-24 | 宁波升谱光电股份有限公司 | Preparation method of dimming LED (light emitting diode) light source and dimming LED light source |
CN106981482A (en) * | 2017-05-11 | 2017-07-25 | 宁波升谱光电股份有限公司 | A kind of LED dimmed light sources and preparation method thereof |
CN107565001A (en) * | 2017-02-28 | 2018-01-09 | 江苏罗化新材料有限公司 | LED light source and preparation method thereof |
CN108054252A (en) * | 2017-12-25 | 2018-05-18 | 鸿利智汇集团股份有限公司 | A kind of high density adjustable color COB manufacturing methods |
CN108278501A (en) * | 2018-01-23 | 2018-07-13 | 苏州晶品新材料股份有限公司 | A kind of 16 color integrated LED light sources |
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CN106711312A (en) * | 2017-03-14 | 2017-05-24 | 宁波升谱光电股份有限公司 | Preparation method of dimming LED (light emitting diode) light source and dimming LED light source |
CN106981482A (en) * | 2017-05-11 | 2017-07-25 | 宁波升谱光电股份有限公司 | A kind of LED dimmed light sources and preparation method thereof |
CN108054252A (en) * | 2017-12-25 | 2018-05-18 | 鸿利智汇集团股份有限公司 | A kind of high density adjustable color COB manufacturing methods |
CN108278501A (en) * | 2018-01-23 | 2018-07-13 | 苏州晶品新材料股份有限公司 | A kind of 16 color integrated LED light sources |
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