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Browse Prior Art Database

Refresh Driven Gas Panel

IP.com Disclosure Number: IPCOM000089122D
Original Publication Date: 1977-Sep-01
Included in the Prior Art Database: 2005-Mar-04
Document File: 2 page(s) / 13K

Publishing Venue

IBM

Related People

Fritz, RA: AUTHOR [+2]

Abstract

Conventional plasma display panels, which have been extensively developed as flat display devices, utilize a gas-filled chamber with orthogonal conductor arrays disposed on opposite sides thereof, the coordinate intersection display sites being ionized by selective application of drive signals to the associated conductors. According to this structure, charged particles, designated wall charge, accumulate on the surface of the dielectric layer and function as an inherent memory to permit continuous reionization with lower drive potentials called "sustain signals" for display purposes.

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Refresh Driven Gas Panel

Conventional plasma display panels, which have been extensively developed as flat display devices, utilize a gas-filled chamber with orthogonal conductor arrays disposed on opposite sides thereof, the coordinate intersection display sites being ionized by selective application of drive signals to the associated conductors. According to this structure, charged particles, designated wall charge, accumulate on the surface of the dielectric layer and function as an inherent memory to permit continuous reionization with lower drive potentials called "sustain signals" for display purposes.

However, the size of the panel which can be operated using this technique is limited by the refresh rate of the buffer, and has a limited range of display capability resulting from the intensity limitations which, in turn, are a direct function of the buffer speed.

This article is directed to a technique for expanding the capability of this panel by dividing one physical panel into two logical panels which are individually addressed. This concept utilizes a ceramic plate, as one of the panel plates, which features the vertical data lines and incorporates "through holes", and proposes that the drive lines from the drive modules run through the ceramic plate for attachment to the drive conductors. The techniques for providing this function are considered well developed in the integrated circuit art.

The front plate horizontal data lines are connected to the back plate by means of pad connections during assembly and seal, or by means of flexible circuit cables. The panel assembly then consists of the gas discharge assembly, the mounting board for components and pad stations for interconnections to the n...