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Red light lamp bead and green light lamp bead mixed LED lamp

A technology for LED lights and green lights, which is applied in light source combinations, semiconductor devices of light-emitting elements, light sources, etc., and can solve the problems of reduced light efficiency and reduced color rendering index.

Active Publication Date: 2018-06-12
NINGBO KLITE ELECTRIC MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The increase of the proportion of red powder will increase the color rendering index, but will reduce the light effect; Contradictions

Method used

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  • Red light lamp bead and green light lamp bead mixed LED lamp
  • Red light lamp bead and green light lamp bead mixed LED lamp
  • Red light lamp bead and green light lamp bead mixed LED lamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 The shown LED lamp mixed with red light beads and green light beads includes a lamp cap 1, a lamp cup 2 arranged on the lamp cap, a driving power supply 3 arranged on the lamp cup, and a heat-conducting substrate 4 connected to the lamp cup , the aluminum substrate 5 connected to the heat-conducting substrate, the 4 red LED chip beads 6 and the 4 green LED patch lamp beads 7 arranged on the aluminum substrate, the lampshade 8 connected with the lamp cup; the red LED sticker The chip lamp beads and the green LED chip beads are alternately arranged sequentially, and the driving power is electrically connected to each red LED chip lamp bead and each green LED chip chip lamp bead respectively. An annular groove 41 is provided on the heat conducting edge. The aluminum base plate is in the form of a ring, and the aluminum ba...

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PUM

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Abstract

The invention discloses a red light lamp bead and green light lamp bead mixed LED lamp. The red light lamp bead and green light lamp bead mixed LED lamp comprises a lamp holder, a lamp cup arranged onthe lamp holder, a drive power source arranged on the lamp cup, a heat conduction substrate connected with the lamp cup, an aluminum substrate connected with the heat conduction substrate, multiple red light LED paster lamp beads, multiple green light LED paster lamp beads, and a lampshade. The red light LED paster lamp beads and the green light LED paster lamp beads are arranged on the aluminumsubstrate; the lampshade is connected with the lamp cup. The red light LED paster lamp beads and the green light LED paster lamp beads are staggered in sequence, the drive power source is electricallyconnected with the red light LED paster lamp beads and the green light LED paster lamp beads, and the lamp has the beneficial effects of being high in light efficiency and high in color rendering index.

Description

technical field [0001] The invention relates to the technical field of LED lamps, in particular to an LED lamp with high luminous efficiency and high CRI mixed with red and green lamp beads. Background technique [0002] The LED lamp beads of the prior art are made by coating yellow phosphor powder on the blue light chip (or directly using red powder and green powder), and the color temperature of the lamp beads can be changed by adjusting the ratio of red powder and green in the yellow phosphor powder. Adjust the color rendering index of the lamp bead. The increase of the proportion of red powder will increase the color rendering index, but will reduce the light effect; Contradictions. [0003] For LED lamp beads that require a high rendering index (color rendering index Ra greater than 90), in the case of using the same chip size and packaging process, due to the high proportion of red powder in the phosphor, the luminous efficiency ratio Ra is greater than 80 The lumin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21K9/232F21V19/00F21K9/238F21V29/503F21V29/83F21V29/70F21K9/237F21Y113/13F21Y115/10
CPCF21K9/232F21K9/237F21K9/238F21V19/001F21V29/503F21V29/70F21V29/83F21Y2113/13F21Y2115/10
Inventor 邹志文张华
Owner NINGBO KLITE ELECTRIC MFG
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