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 PDF

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Publication number
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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led
fluorescent material
color
cofferdam
rendering index
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CN201610653496.1A
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CN106252337B (en
Inventor
郭志友
周腾飞
黄晶
郭敏
孙杰
衣新燕
杨晛
孙慧卿
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South China Normal University
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South China Normal University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03Assemblies 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
    • H01L25/04Assemblies 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
    • H01L25/075Assemblies 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
    • H01L25/0753Assemblies 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor 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
    • H01L33/48Semiconductor 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor 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
    • H01L33/48Semiconductor 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
    • H01L33/50Wavelength conversion elements
    • H01L33/501Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502Wavelength conversion materials
    • H01L33/504Elements with two or more wavelength conversion materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor 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
    • H01L33/48Semiconductor 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
    • H01L33/50Wavelength conversion elements
    • H01L33/508Wavelength 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

A kind of LED integrated optical source of color rendering index and adjustable color
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.
CN201610653496.1A 2016-08-10 2016-08-10 A kind of LED integrated optical source of colour rendering index and adjustable color Active CN106252337B (en)

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Cited By (5)

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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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CN104183583A (en) * 2014-08-14 2014-12-03 东莞市欧思科光电科技有限公司 LED lamp allowing color temperatures and color indexes to be adjusted
CN204130580U (en) * 2014-08-22 2015-01-28 中山市光圣半导体科技有限责任公司 A kind of COB light source with high color rendering index (CRI) and adjustable color function
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CN203240331U (en) * 2013-03-27 2013-10-16 珠海市集利发展有限公司 Array-distribution-based integrated dimmable LED (light-emitting diode) light source
CN203288644U (en) * 2013-05-22 2013-11-13 深圳市九洲光电科技有限公司 Distributed high-voltage LED (Light-Emitting Diode) module group
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CN104183685A (en) * 2014-08-14 2014-12-03 东莞市欧思科光电科技有限公司 Color temperature and color rendering index adjustable type two-cup colorful LED lamp
CN104183583A (en) * 2014-08-14 2014-12-03 东莞市欧思科光电科技有限公司 LED lamp allowing color temperatures and color indexes to be adjusted
CN204130580U (en) * 2014-08-22 2015-01-28 中山市光圣半导体科技有限责任公司 A kind of COB light source with high color rendering index (CRI) and adjustable color function

Cited By (5)

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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
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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