Method for manufacturing an electro-optical device

Details Method for manufacturing an electro-optical device Method for manufacturing an electro-optical device

2005-03-14

2008-12-09

Sarkar, Asok K (Department: 2891)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

C257SE33061

Reexamination Certificate

active

07462501

ABSTRACT:
An object of the present invention is to provide an EL display device having high operation performance and reliability.A third passivation film45is disposed under the EL element203comprising a pixel electrode (anode)46, an EL layer47and a cathode48, and diffusion of alkali metals from the EL element203formed by ink jet method into TFTs is prevented. Further, the third passivation film45prevents penetration of moisture and oxygen from the TFTs, and suppress degradation of the EL element203by dispersing the heat generated by the EL element203.

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