The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2003
Filed:
Jan. 04, 2001
Hideyuki Kogure, Fukaya, JP;
Kazuo Nakamura, Kitamoto, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
The scanning lines driver circuit according to this invention comprises a timing circuit unit to which voltage is supplied from a power source, a level shifter circuit unit that generates voltage for driving pixel switching devices, a plurality of gate voltage sources that connect power sources to the level shifter circuit unit and a gate buffer unit that supplies the output from the level shifter circuit unit to scanning lines. The level shifter circuit unit is a series of flip-flop type level shifter circuits that conduct level shifting for each gate voltage source and transistors controlled by a power source detection circuit are inserted in parallel in the outputs from those level shifter circuits.