Electronic device and electronic apparatus

Details Electronic device and electronic apparatus Electronic device and electronic apparatus

2005-04-12

2005-04-12

Shalwala, Bipin (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000, C345S077000, C345S092000, C315S169100, C315S169200, C343S823000, C343S823000, C343S823000

Reexamination Certificate

active

06879309

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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