They added a small amount of the fluorescent dye coumarin to the emitter material tris (8-hydroxy-quinoline) aluminum.
They added a small amount of the fluorescent dye coumarin to the emitter material tris (8-hydroxy-quinoline) aluminum.
他们在发光材料三（8–羟基口喹啉）化铝里，加入了少量的萤光染料香豆素。