Seal for LCD devices and methods for making same
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United States of America Patent
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-
Mar 19, 2002
Grant Date -
Nov 29, 2001
app pub date -
Nov 4, 1998
filing date -
Nov 4, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides an improved seal for sealing a liquid crystal display (LCD) device. An improved seal is formed between a transparent plate and a die having a pixel array. The improved seal is configured to encircle the pixel array of the die when the die and the transparent plate are joined. The die and the transparent plate are joined together such that the improved seal is disposed between the transparent plate and the die. In one embodiment, the improved seal is a hybrid seal. The hybrid seal includes a first seal encircling the pixel array of the die and adhesively coupling the transparent plate and the die. The hybrid seal further includes a second seal encircling the second seal. In another embodiment, the first seal lacks a characteristic necessary for an effective seal. The second seal possesses the characteristic, such that the hybrid seal possesses the necessary characteristic.
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