High optical power density light-emitting diode (LED) light source module

Abstract

A high optical power density light-emitting diode (LED) light source module comprises a baseplate, a plurality of LED light-emitting chips, a condenser and a heat dissipation device, wherein the LED light-emitting chips are produced on the baseplate so as to form an LED light-emitting chip array; the condenser is fixed above the LED light-emitting chips on the baseplate, and the lights which are sent out by the LED light-emitting chips are converged; and the heat dissipation device is fixed below the baseplate so as to dissipate the heat of the LED light-emitting chips. The module structure is applicable to the fields of photomedicine, photobiology, photochemical catalysis, optical communication and the like.

Description

technical field [0001] The invention relates to an LED light source module with high optical power density, which belongs to the fields of photomedicine, photobiology, photochemical catalysis, optical communication and the like. Background technique [0002] LED (light emitting diode), that is, light-emitting diode, as a new type of high-efficiency solid-state light source, has significant advantages such as long life, energy saving, and environmental protection. It is another leap in the history of human lighting after incandescent lamps and fluorescent lamps. The new lighting technology has great economic and social significance. [0003] With the continuous development of semiconductor technology, LED technology has developed rapidly, and the performance of LED parameters such as luminous intensity, peak wavelength, and half-wave bandwidth has been greatly improved. At this stage, the optical power of a single LED is getting higher and higher; the peak wavelength is beco...

AI Technical Summary

Problems solved by technology

Although the luminous flux of a single LED can reach 5-20 lumens at present, the output light power is limited after all.

Using multiple LEDs arranged into a large-area light-emitting panel can increase the output light power to a certain extent, but because the area of ​​the light-emitting panel is too large, it is impossible to obtain high optical power density in a small illuminated area, which is easy in practical applications. restricted

In addition, the heat dissipation problem caused by the arrangement of multiple LEDs will greatly reduce the total light output power, stability and service life

In addition, the absorption of light by the additional concentrator will also reduce the total light output power. These factors restrict the application of LEDs in the fields of photomedicine, photobiology, photochemical catalysis, and optical communications.

Images