Bipolar double barrier resonant tunneling structures have been recognized as a favorable system for the resonant tunneling light emitting diode (RTLED). While the operation principle of a RTLED is straightforward, the optimization of its performance needs to fulfill at least three conditions. In the study, presented is a calculation of a self-consistently coupled Schrodinger equation for the conduction electrons, the heavy holes and the light holes, and the Poisson equation. In the following AlxGa1-xAs DBRTS is used as an example to demonstrate how to optimize a RTLED. Presented are the results for zero temperature in order to demonstrate unambiguously the physical process involved.