Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1998-06-12
2000-06-20
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
349153, 349 74, G02F 11339, G02F 11347
Patent
active
060783796
ABSTRACT:
With respect to a single large substrate, a seal material and a spacer made of the same resist having pressure tightness are formed in one step using a photomask, and a plurality of small substrates are combined independently with the large substrate, the spacer being formed within a region of non-transmissive pattern on the large substrate. This prevents the seal material and the spacer from spreading from a predetermined pattern width, and maintains a constant value for a cell gap with respect to the entire liquid crystal layer. Alternatively, instead of the spacer, a fine first seal material may be formed by photolithography within a display region using a photoresist having adhesion, and a second seal material may be formed outside the display region using a heat curable adhesive. With this arrangement, the strength of the combined substrates is increased, and a highly reliable and high quality display screen is realized.
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Japanese Kokai (Published unexamined patent application) No. 184849/1996 (Tokukaihei 8-184849, published date: Jul. 16, 1996).
Japanese Kokoku (Published examined utility model application) No. 28086/1992 (Jitsukohei 4-28086, published date: Jul. 7, 1992).
Izumi Yoshihiro
Nagae Nobukazu
Chowdhury Tarifur R.
Conlin David G.
O'Day Christine C.
Sharp Kabushiki Kaisha
Sikes William L.
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