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:
Sep. 03, 2013
Filed:
Jan. 19, 2007
Jean-raphaël Bezal, Grenoble, FR;
Jean-marie Permezel, Grenoble, FR;
Gilles Troussel, Grenoble, FR;
STMicroelectronics SA, Montrouge, FR;
Abstract
A control device for a matrix plasma display screen has a row driver circuit capable of sequentially selecting the rows of the matrix and a column driver circuit, for each column of the matrix, with an individual column driver unit that has at least a first transistor of the MOS type capable of emitting, towards each column of a desired set of columns, a state change signal in order to allow the transition of the set from a first state towards a second state, and a controller. The first transistor is capable of emitting state change signals that have a state that is transitional from a low state towards a high state; the controller has a control transistor with one electrode directly connected to the power supply terminal and another electrode capable of delivering a control voltage to the control electrode of the first transistor, so as to limit the value of the current flowing through the first transistor in the course of the transitional state, in such a manner as to regulate the rise time of the state change signal.