Electronic device and electronic apparatus

Details Electronic device and electronic apparatus Electronic device and electronic apparatus

2007-09-24

2010-11-30

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

07843407

ABSTRACT:
An EL display having high operating performance and reliability is provided. LDD regions15athrough15dof a switching TFT201formed in a pixel are formed such that they do not overlap gate electrodes19aand19bto provide a structure which is primarily intended for the reduction of an off-current. An LDD region22of a current control TFT202is formed such that it partially overlaps a gate electrode35to provide a structure which is primarily intended for the prevention of hot carrier injection and the reduction of an off-current. Appropriate TFT structures are thus provided depending on required functions to improve operational performance and reliability.

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