Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2008-06-11
2011-11-08
Moon, Seokyun (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C326S063000, C326S080000, C327S333000
Reexamination Certificate
active
08054281
ABSTRACT:
A level shifter for a flat panel display device includes: first and second transistors that are different type transistors and serially coupled between first and second power supplies, the second power supply for supplying a lower voltage power than the first power supply; a first capacitor between gate electrodes of the first and second transistors; an input line for a first input signal coupled to the gate electrode of the first or second transistor; a third transistor between a second electrode of the first capacitor and a third power supply, the third transistor having a gate electrode coupled to an input line of a second input signal; and a fourth transistor between the second electrode of the first capacitor and the third transistor, the fourth transistor having first and gate electrodes that are coupled to the second electrode of the first capacitor, such that the fourth transistor is diode-connected.
REFERENCES:
patent: 6049228 (2000-04-01), Moon
patent: 7071735 (2006-07-01), Shin
patent: 2005/0024088 (2005-02-01), Lee
patent: 2005/0078076 (2005-04-01), Kim et al.
patent: 2005/0242837 (2005-11-01), Shin
patent: 10-2005-0079803 (2005-08-01), None
patent: 10-2005-0104602 (2005-11-01), None
patent: 10-2006-0000317 (2006-01-01), None
patent: 10-2006-0004237 (2006-01-01), None
patent: 10-2006-0031448 (2006-04-01), None
Jerry C. Whitaker, Microelectronics 2nd Edition, CRC Press 2006, 2nd Edition, Chapter 6—p. 11.
Korean Patent Abstracts, Publication 1020050079803 A, Published Aug. 11, 2005, for Kim.
Korean Patent Abstracts, Publication 1020060000317 A, Published Jan. 6, 2006, for Chung.
Christie Parker & Hale LLP
Lopez Jose Soto
Moon Seokyun
Samsung Mobile Display Co., Ltd.
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