Patent ID: 8067773

Claim:
A pixel unit structure of an organic light emitting diode (OLED) display, comprising: a first substrate; a light-absorbing structure formed over the first substrate; a filter layer disposed over the first substrate and being close to the light-absorbing structure; a second substrate opposite to the first substrate; a thin-film-transistor (TFT) disposed on the second substrate, wherein the light-absorbing structure shelters a vertical projection of the thin-film-transistor on the first substrate; and an organic light emitting diode, disposed corresponding to the filter layer, including: a black electrode layer formed over the second substrate, wherein the black electrode is light absorbable; a light emitting layer formed over the black electrode layer; and a light-transmissible electrode layer formed over the light emitting layer, wherein the light-transmissible electrode layer is disposed between the light-absorbing structure and the thin-film-transistor.