Light emitting device resistant to damage by thermal expansion
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United States of America Patent
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Apr 11, 1995
Issued Date -
N/A
app pub date -
Dec 8, 1993
filing date -
Jul 16, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to light emitting devices which emit light upon impingement of thermoelectrons on a front panel having fluorescent elements and where an array of cathodes and electrodes are provided on a substrate within each light emitting device. Thus, in the present invention, first electrode leads having a coefficient of thermal expansion substantially equal to that of the substrate are inserted into and through the substrate, and second electrode leads having a coefficient of thermal expansion substantially equal to that of the rear panel are inserted into and through the rear panel, and the first and second electrode leads are connected such that the substrate is supported at a distance above the rear panel.
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