The surface emitting microcavity is formed by sandwiching a polymer film containing poly (para-phenylene vinylene) (BMPPV) and poly (N-vinylcarbazole)(PVK) betw
Organic semiconductoe3,4,9,10-perylenetetracarboxylic dianhydride(PTCDA)has been synthetized with 1,8-naphthalic anhydride using chemical method.X-ray diffracti
The necessity of measuring optical axis of LED for photoelectric sensor is introduced and the measurement of the optical axis with area weighted method is done.
Organic electroluminescent thin film using TPD as an emitting layer with structure of Glass/ITO/TPD/Al is fabricated.Its V-I curve, V-B curve and electrolumines
The pattern of ITO transparent electrode of pixel cells in TFTAMLCD is a critical step in the manufacturing process of flat panel display devices,the development