Browse Prior Art Database

Encapsulated Glass Display Panel

IP.com Disclosure Number: IPCOM000077400D
Original Publication Date: 1972-Jul-01
Included in the Prior Art Database: 2005-Feb-25
Document File: 2 page(s) / 39K

Publishing Venue

IBM

Related People

Fischer, GR: AUTHOR

Abstract

The conventional gaseous discharge display panel comprises a pair of glass substrates on which conductor arrays are deposited on the inner surfaces, and a dielectric layer deposited over the conductors. Such panels include a gas port adaptable for coupling a vacuum or backfill source to the gas chamber, which is then hermetically sealed to provide the completed gaseous discharge display panel. Such display panels have certain limitations such as limited mechanical strength, susceptibility to gas leakage, and susceptibility to shock. A display panel which overcomes these limitations is constructed by encapsulation with a silicone potting compound or related plastic material, which improves the operating and handling characteristics of the gaseous display device.

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Encapsulated Glass Display Panel

The conventional gaseous discharge display panel comprises a pair of glass substrates on which conductor arrays are deposited on the inner surfaces, and a dielectric layer deposited over the conductors. Such panels include a gas port adaptable for coupling a vacuum or backfill source to the gas chamber, which is then hermetically sealed to provide the completed gaseous discharge display panel. Such display panels have certain limitations such as limited mechanical strength, susceptibility to gas leakage, and susceptibility to shock. A display panel which overcomes these limitations is constructed by encapsulation with a silicone potting compound or related plastic material, which improves the operating and handling characteristics of the gaseous display device.

Referring to the drawing, a gaseous discharge device 5 is placed in a container 6 and positioned such that the viewing area 1 is above the level of the container. The glass port 4 would require support such that it would not be subjected to stress during the encapsulation process. The encapsulating material 2 is carefully inserted around the gas display panel 5, ensuring that the electrical lands 3, stem 4, and other areas surrounding the panel are well embedded in the encapsulating material 2. After the encapsulating material 2 has cured, the gas discharge display panel assembly is removed from the encapsulating container 6 for further processing. The encapsulation of a ga...