LED light source and lamp with sunlight visible light part spectrum structure

Abstract

The invention discloses an LED device and light source with a sunlight visible light part spectrum structure. The LED device comprises a blue LED chip or blue fluorescent powder, thereby mixing cyan,red, green and orange spectrum components into an emission spectrum of the LED device by using cyan fluorescent powder, green fluorescent powder, orange fluorescent powder and red fluorescent powder to obtain white light. Compared with the prior art, the LED light source has sunlight emission spectrum configuration, does not contain an ultraviolet or infrared spectrum component and is a healthy light source; the white LED device is packaged by adopting a four-primary color or five-primary color technical scheme, and different from a traditional three-primary color concept and a two-primary color technical scheme adopted for early LED packaging, the four-primary color or five-primary color technical scheme has the advantages that the condition that the most important cyan spectrum componentwith a wavelength range of 480-520nm in a solar spectrum needs to be added is emphasized; the environment-friendly, green and energy-saving requirements are met; and the human health requirements arealso met.

Description

technical field [0001] The invention belongs to the field of electronic information, specifically semiconductor optoelectronic devices, green lighting and information display, and particularly relates to a packaging method for a white LED device with a configuration for emitting sunlight in the visible light range and a healthy light source made using the device. Background technique [0002] White light LED is known as the fourth generation of green semiconductor lighting source after incandescent lamps, fluorescent lamps and high-pressure gas discharge lamps. It is friendly to the environment (no mercury pollution), and has the advantages of small size and shock resistance. Therefore, once the LED came out, it has been popularized and applied rapidly, and the penetration rate in the field of display backlight has reached 100%. Although semiconductor lighting has the obvious advantages of energy saving and environmental protection, how to endow LED green lighting with heal...

AI Technical Summary

Problems solved by technology

However, through the analysis of the spectral components of the sun in natural light, we show that the relatively large content of sunlight is 480-560nm spectral components, while the lack of relatively large spectral components in current LED lighting sources is that the trough is 490nm and the wavelength range is 480nm. Cyan light at -530nm

In addition, because the energy of ultraviolet photons is higher, ultraviolet rays are more harmful to human eyes (typically, the proportion of blind people in plateau areas is higher than that in plain areas); and infrared rays do not respond to the visual function of the human eye, so the infrared rays in the lighting source not only do not work but instead Increased energy consumption and greenhouse effect

Furthermore, the solar spectrum originally contains certain ultraviolet spectral components, so there is no need to add ultraviolet components to the lighting source.

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