LIQUID CRYSTAL DISPLAY ELEMENT

PURPOSE:To prevent penetration of a liquid crystal to a sealing part, by forming a double layer type sealing part consisting of an adhesive layer for making substrates adhere, and a thermoplastic polymer layer which is excellent in its resistance to liquid crystals. CONSTITUTION:Dissolution of a liq...

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Bibliographische Detailangaben
Hauptverfasser: MIYASHITA TAKAO, TANNO SEIKICHI, HONJIYOU HIROSHI, UMEDA TAKAO, SHIMAZAKI YUZURU, IKAWA TATSUO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To prevent penetration of a liquid crystal to a sealing part, by forming a double layer type sealing part consisting of an adhesive layer for making substrates adhere, and a thermoplastic polymer layer which is excellent in its resistance to liquid crystals. CONSTITUTION:Dissolution of a liquid crystal to a sealing part is prevented by forming a high polymer layer which is excellent in its resistance to liquid crystals, in the sealing part in the form surrounding a liquid crystal layer, therefore, as for an adhesive agent used for the outside, even if it is a little sparse in its cross-linking density and is inferior in its resistance to liquid crystals, that which has made adhesive force preferential can be used, and also it can be hardened in a short time, therefore, it is suitable for a continuous production process for a substrate of a plastic film. Low density polyethylene beads 7 are dispersed to the side contacting with the liquid crystal of the sealing part of a lower substrate 11, and a polyester adhesive 3 contg. a gap spacer material 2 is applied to its outside; the polyethylene beads are melted, and by its thin layer 9, the upper and lower substrates are made to adhere.