Device for encapsulating and passivating a circuit for flat screens
First Claim
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1. Device for encapsulating and passivating electronic circuits, comprising:
- a substrate plate;
an electronic circuit mounted on said substrate plate;
an active matrix mounted on said substrate plate; and
a sealing bead deposited on said substrate plate and surrounding said electronic circuit so as to form a sealed enclosure separate from said active matrix.
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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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Citations
8 Claims
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1. Device for encapsulating and passivating electronic circuits, comprising:
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a substrate plate; an electronic circuit mounted on said substrate plate; an active matrix mounted on said substrate plate; and a sealing bead deposited on said substrate plate and surrounding said electronic circuit so as to form a sealed enclosure separate from said active matrix. - View Dependent Claims (5, 6, 7, 8)
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2. A device for encapsulating and passivating electronic circuits, comprising:
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a substrate plate; an electronic circuit mounted on said substrate plate for controlling electro-optical cells; an active matrix controlling electro-optical cells mounted on said substrate plate; an opaque layer covering said electronic circuit so as to block the photoconductivity of the active matrix, to function as a spacer and a "black matrix"; wherein said opaque layer is used to encapsulate and passivate the electronic circuit. - View Dependent Claims (4)
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3. Device for encapsulating and passivating electronic circuits, comprising:
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a substrate plate; an electronic circuit mounted on said substrate plate for controlling electro-optical cells; an active matrix mounted on said substrate plate; an opaque layer covering said electronic circuit to block the photoconductivity of the active matrix, to function as a spacer and a "black matrix"; and a sealing bead deposited around the electronic circuit so as to form a sealed enclosure separate from the active matrix.
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Specification