Reduced connection for 22 character gas panel

Details Reduced connection for 22 character gas panel Reduced connection for 22 character gas panel

G - Physics

09

G

375/20, 313/1.6

G09G 3/00 (2006.01) H01J 5/52 (2006.01) H01J 17/49 (2006.01)

Patent

CA 1087331

REDUCED CONNECTION FOR 22-CHARACTER GAS PANEL ABSTRACT OF THE DISCLOSURE In driving gas panel or plasma display devices, characters are generated on the panel display as a sequence of dots by applying appropriate drive signals to selected orthogonal conductors, each conductor requiring an associated driver. In a low character count small plasma display such as a single row display utilizing a 5 x 7 dot character matrix, a significant load is presented to the horizontal drivers, while a substantial number of drivers are required to drive the vertical axis. To improve the load distribution and increase the drive efficiency of such a system, the horizontal conductors are di- vided into four distinct groups, with associated drivers, while a single set of vertical conductors is used to drive the vertical con- ductors, which are positioned to intersect each of the groups of hori- zontal conductors. The individual load requirements as well as the number of vertical drivers are reduced by a factor of four at a nominal increase in the number of horizontal drivers, thereby providing a sig- nificant cost reduction. The specific wiring pattern used to achieve this result on a plasma display device is disclosed herein.

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