Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 22, 2016
Patent Application Number
14645021
Date Filed
March 11, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
An EL display having high operating performance and reliability is provided. LDD regions 15a through 15d of a switching TFT 201 formed in a pixel are formed such that they do not overlap gate electrodes 19a and 19b to provide a structure which is primarily intended for the reduction of an off-current. An LDD region 22 of a current control TFT 202 is formed such that it partially overlaps a gate electrode 35 to 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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