×

SCAN SIGNAL LINE DRIVER CIRCUIT, DISPLAY DEVICE, AND METHOD OF DRIVING SCAN SIGNAL LINES

  • US 20120268441A1
  • Filed: 06/05/2012
  • Published: 10/25/2012
  • Est. Priority Date: 05/30/2007
  • Status: Active Grant
First Claim
Patent Images

1. A scan signal line driver circuit driving scan signal lines of a display screen according to an externally supplied start signal and an externally supplied clock signal, said scan signal line driver circuit comprising:

  • a clock pulse counter circuit for sensing, as a first count, either a rise count or a fall count for the clock signal in a HIGH level period of the externally supplied start signal; and

    a drive mode selecting circuit for selecting, according to the first count, either a first drive mode in which the scan signal lines are driven in a predetermined sequence or a second drive mode in which the scan signal lines are all simultaneously driven.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×