Pixel circuit and display device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7477218
APP PUB NO 20060145960A1
SERIAL NO

10541373

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

When a selection TFT and a correction TFT are turned on, a data voltage of a data line is stored in a storage capacitor as a gate voltage of a driving TFT. After turning off the selection TFT, a voltage of a capacitor line SC falls, thereby turning on the driving TFT to supply a driving current to an organic EL element. The correction TFT is in the ON state before the capacitor line SC falls, and is turned off in the course of the fall of the line. Consequently, the capacitance of the correction TFT changes during the fall of the gate voltage, and the gradient of the gate voltage fall of the driving TFT is changed, thereby setting the gate voltage after the capacitor line SC falls in accordance with variation in threshold of the driving TFT. Particularly by disposing the driving TFT and the correction TFT adjacent to each other, the two TFTs are provided with the same properties to achieve effective correction.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SANYO ELECTRIC CO LTDOSAKA 570-8677

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koga, Masayuki Moriguchi, JP 26 422
Marumo, Koji Moriguchi , JP 6 114

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation