Circuit assembly and process for production thereof

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only

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349 42, 349201, 349152, G02F 1136, G02F 11345, G02F 113

Patent

active

057293155

ABSTRACT:
A circuit assembly suitable for constituting, e.g., a liquid crystal display device, is constituted by a transparent first substrate having thereon a plurality of first electrodes, and a second substrate having thereon a plurality of second electrodes and at least partially superposed with the first substrate so that the mutually corresponding first and second electrodes are superposed and electrically connected with each other. The first electrode has a light-transmissive layer and an opaque layer laminated with the light transmissive layer, and a portion of the first electrode superposed with the second substrate at least partially includes a light-transmissive portion. The first or second substrate has an alignment mark at a position thereof corresponding to the light-transmissive portion of the first electrode. The first substrate may for example be combined with another first substrate so as to sandwich a liquid crystal therebetween to form a liquid crystal device. The second substrate may carry a semiconductor IC chip for supplying drive signals to the liquid crystal device.

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patent: 4721365 (1988-01-01), Nishimura
patent: 4832455 (1989-05-01), Takeno et al.
patent: 5122215 (1992-06-01), Shibata et al.
patent: 5223965 (1993-06-01), Ota et al.
patent: 5386309 (1995-01-01), Nam
patent: 5412494 (1995-05-01), Ishiwata et al.

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