Device for encapsulating and passivating a circuit for flat screens
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United States of America Patent
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Feb 25, 1997
Grant Date -
N/A
app pub date -
Feb 10, 1995
filing date -
Jun 26, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A device for encapsulating and passivating integrated control circuits of flat screens. A sealing bead is placed on a substrate plate in order to encapsulate and passivate an integrated control circuit mounted on the plate. In one embodiment, the sealing bead is placed directly on top of the control circuit. In a second embodiment, the sealing bead is placed on both sides of the circuit so as to form a chamber which is separate from that which contains the active matrix. In a third embodiment, an opaque material is also placed on top of the circuit which acts as a spacer and may also act as a 'black matrix'.
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