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A four-color LED light source

An LED light source and four-primary color technology, applied in the field of LED lighting, can solve the problems of difficult yellow phosphor coating process, poor color consistency of white light, and affecting the luminous effect of the light source, so as to reduce the number of light-emitting chips, reduce light chromatic aberration, and save The effect of electricity

Active Publication Date: 2018-01-19
广东科立盈光电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The manufacturing process of this type of light source is complex and the production efficiency is low
At the same time, because the yellow phosphor has an important influence on the color of white light; however, in actual production, the amount of yellow phosphor applied on the surface of a single blue light-emitting chip is small, and the application area is small, so the application process of the yellow phosphor is difficult, resulting in The color consistency of white light is poor, which seriously affects the luminous effect of the light source

Method used

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  • A four-color LED light source
  • A four-color LED light source
  • A four-color LED light source

Examples

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Embodiment 1

[0031]The light source of this embodiment can be applied to LED lamps such as LED bulb lamps, and can also be applied to technical fields such as indoor air purification and sterilization devices. The structure of the light source is as figure 1 Shown; includes a substrate 10, a trichromatic light-emitting unit 20 and a white light unit 30. In this embodiment, three three primary color light emitting units 20 and one white light unit 30 are taken as examples for illustration. In practical applications, there are only two or more three-primary-color light-emitting units 20 , but not limited to three; the number of white light units 30 is more than two.

[0032] The white light unit 30 is disposed at the center of the substrate 10 ; the three primary color light emitting units 20 are respectively arranged around the white light unit 30 . Each three-primary-color light-emitting unit 20 includes a bracket cup one 24, such as figure 2 As shown; each holder cup 1 24 is respectiv...

Embodiment 2

[0042] The structure of the light source in this embodiment is as Figure 5 As shown, the difference from Embodiment 1 is that there are multiple white light units 30, and the white light unit 30 includes a central white light unit arranged in the center of the substrate, and peripheral white light units arranged around the central white light unit, the central white light unit and the peripheral white light unit The cells are located in the central area of ​​the substrate. The central white light unit can overlap the light color of the surrounding three-primary-color light-emitting units to make the light source more soft; while the peripheral white light unit can increase the proportion of white light in the light color of the light source, making the light color more flexible and changeable. The rest of the structure of this embodiment is the same as that of Embodiment 1.

Embodiment 3

[0044] The light source in this embodiment includes a substrate, at least two three primary color light emitting units and at least one white light unit; the white light unit is arranged in the central area of ​​the substrate; each three primary color light emitting units are respectively arranged around the central area; each three primary color light emitting units respectively include bracket cups 1. Each support cup 1 is respectively provided with an accommodating chamber 1, and the accommodating chamber 1 is provided with a red light-emitting chip, a green light-emitting chip and a blue light-emitting chip 1. The light source of this embodiment achieves the effect of producing four basic light colors; the white light unit located in the central area of ​​the substrate can coincide with the light colors of all the three primary color light-emitting units arranged around it, making the overall light-emitting effect softer and reducing the number of blue light-emitting chips. ...

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Abstract

The invention provides a four-primary color LED (light emitting diode) light source, which is characterized by comprising a substrate, a white light unit and at least two three-primary color light emitting units; the white light unit is arranged in the central region of the substrate; all the three-primary color light emitting units are distributed around the central region; each three-primary color light emitting unit comprises a support cup I; a containing cavity I is formed in each support cup I; a red light-emitting chip, a green light-emitting chip and a blue light-emitting chip I are arranged in each containing cavity. The light source provided by the invention has the advantages that electric energy is saved, the integral light emitting effect is soft, and the light color is even.

Description

technical field [0001] The invention relates to the technical field of LED lighting, and more specifically, to a four-primary-color LED light source. Background technique [0002] LED (Light Emitting Diode) has the advantages of low power consumption, long service life and low cost, and has been widely used in lighting, display and other fields. LED light sources can be used as home lighting, scene control in dance halls, bars and other places. At the same time, LED lighting technology is also widely used in indoor environmental protection, such as using LED light sources as light sources for indoor air purification and sterilization devices. [0003] The four-primary-color LED light source includes four light colors of red, green, blue, and white. The commonly used four-primary-color LED light source combines the four light colors of red, green, blue, and white in the same light-emitting unit. White light can make the light source glow more softly, but the red light-emitt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21K9/20F21V19/00F21V23/00F21V23/06H01L33/48H01L33/50F21Y115/10
CPCF21V19/001F21V23/003F21V23/06H01L33/48H01L33/501
Inventor 王清平
Owner 广东科立盈光电技术有限公司
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