A light emitting diode package includes a LED package substrate, first LED chips and second LED chips. The polymer for forming an organic anti-reflective coating layer has a repeating unit represented bywherein, R1 is hydrogen or methyl group, and R2 is a substituted or non-substituted alky group of C1 to C5. Between one injection and the next, at least one among the following quantities is varied as a function of operating parameters of the engine: duration of at least one among the electrical commands; number of the electrical commands; and distance in time between the electrical commands. The vector processor implements a vector processing Instruction Set Architecture including machine state, instruction set, exception model, and memory model.