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:
May. 02, 2000
Filed:
Nov. 19, 1997
Yoshio Sano, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A driver circuit for a plasma display panel has first, second, third, and fourth switches. The first switch is connected to the higher potential side of a sustaining pulse power supply and supplies a current to sustaining electrodes. The second switch is connected to the lower potential side of the sustaining pulse power supply and draws a current from the sustaining electrodes. The third switch is connected to the higher potential side of the sustaining pulse power supply and supplies a current to the scanning electrodes. The fourth switch is connected to the lower potential side of the sustaining pulse power supply and draws a current from the scanning electrodes. Diodes are connected to sustaining electrode blocks for preventing pulses to be generated independently in the sustaining electrode blocks from going around to other sustaining electrode blocks, and diodes are also connected to scanning electrode blocks for preventing pulses to be generated independently in the scanning electrode blocks from going around to other scanning electrode blocks.