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:
Nov. 04, 1997
Filed:
Jul. 25, 1995
Takahiro Togawa, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A plasma addressed electro-optical device intended to assure the flatness of a microsheet glass used as the separation sheet provided between a liquid crystal cell and a plasma cell includes dummy barrier ribs on a glass substrate to support the microsheet glass at the external side of frit seal of the plasma cell formed using a low melting point glass material. The plasma address electro-optical device has a first substrate having a plurality of first electrodes arranged in parallel with each other on one principal surface thereof, a second substrate having a plurality of second electrodes arranged in parallel with each other crossing the first electrodes on the principal surface of the first substrate opposed to the first electrodes, a microsheet glass provided between the first and second substrates, electro-optical material layer provided between the first substrate and the microsheet glass, a plasma cell formed by bonding the circumferential portions of the second substrate and the microsheet glass with a low melting point glass, the plasma cell including a plurality of barrier ribs formed along the surfaces of the second electrodes, and dummy barrier ribs provided at the external side of the low melting point glass to support the microsheet glass.