Birch, Stewart, Kolasch and Birch
Thin film light emitting element
 A thin film light emitting element including a light emitting layer and first and second dielectric layers which interpose opposite faces of the light emitting layer. The light emitting layer is made of a compound semiconductor material and an activator material such that the compound semiconductor material and the activator material are set at a composition substantially equal to a stoichiometric composition. 
Sharp Kabushiki Kaisha
H H H
H05B H05B H05B
inventional inventional inventional
Koji Takashi Koichi
Taniguchi Ogura Tanaka