Title:
METHOD AND SYSTEM FOR CURRENT BALANCING IN VISUAL DISPLAY DEVICES
Document Type and Number:
WIPO Patent Application WO2002091032
Kind Code:
A3
Abstract:
A method and system for providing balanced currents at locations in devices requiring accurate, matched and repeatable current sources, for example visual display devices having arrays of light-emitting sources. In one embodiment, the method and system provide closely balanced currents flowing through column drivers located at or near end regions of a display area portion of a visual display device. An additional embodiment of the method and system allows for balancing currents at adjacent columns or regions throughout the display areas of a visual display device.
Inventors:
DENNEHEY PATRICK N
Application Number:
PCT/US2002/014687
Publication Date:
February 19, 2004
Filing Date:
May 07, 2002
Export Citation:
Assignee:
CLARE MICRONIX INTEGRATED SYST (US)
International Classes:
G09G3/00; G09G3/30; G09G3/32; G09G5/00; G02B; (IPC1-7): G09G3/32
Domestic Patent References:
| WO1999065011A2 | 1999-12-16 |
Foreign References:
| US5903246A | 1999-05-11 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05)
Download PDF:
Previous Patent: N-WAY BROADCAST/NARROWCAST COMBINER
Next Patent: FIELD-OF-VIEW CONTROLLING ARRANGEMENTS
Next Patent: FIELD-OF-VIEW CONTROLLING ARRANGEMENTS