The　operating　principal　of　tunneling-regenerated-double-active-region　(TRDAR)　AlGalnP　light-emitting　diodes　is　analyzed　on-axis　luminous　intensity　is　tested　under　different　injected　current　and　the　relationship　between　on-axis　luminous　intensity　and　injected　current　is　offered　in　this　paper.　The　emitting　peak　wavelength　of　TRDAR　AlGalnP　light-emitting　diodes　is　620　nm　at　20　mA.　The　average　on-axis　luminous　intensity　of　TRDAR　AlGalnP　light-emitting　diodes　lamps　with　15°　viewing　angle　is　5.5　cd.　Its　life　test　is　carried,　and　the　lifetime　of　TRDAR　AlGalnP　light-emitting　diodes　has　exceeded　1.2　×　105　hours　under　conditions　of　30　mA　direct　current　and　25°C　ambient　temperature.