Frishauf, Holtz, Goodman, Langer & Chick, P.C.
Method of encapsulating organic electroluminescence device and organic electroluminescence device
 A method of encapsulation for an organic EL device, which overcomes the difficulty of conventional methods by fully preventing the growth of dark spots in the organic EL device by providing an inert liquid layer having a dissolved oxygen concentration of 1 ppm or less on the periphery of the organic EL device. 
Idemitsu Kosan Co., Ltd.
H H H H
H01L H01L H01L H05B
inventional inventional inventional inventional
Kenichi Masato
Fukuoka Fujita