A radiation-curable desiccant-filled adhesive/sealant composition comprising a radiation-curable resin, one or more desiccant fillers, one or more photoinitiators or photosensitizers, and optionally, one or more inorganic or organic fillers.
대표청구항▼
What is claimed: 1. An electronic or optoelectronic device, disposed on a substrate and encapsulated with a lid in which the lid and substrate are bonded together with a desiccant-filled sealant/adhesive along the perimeter of the substrate and lid, the desiccant-filled sealant/adhesive consisting
What is claimed: 1. An electronic or optoelectronic device, disposed on a substrate and encapsulated with a lid in which the lid and substrate are bonded together with a desiccant-filled sealant/adhesive along the perimeter of the substrate and lid, the desiccant-filled sealant/adhesive consisting essentially of a) a radiation-curable resin containing reactive functionality selected from the group consisting of glycidyl epoxy, aliphatic epoxy, cycloaliphatic epoxy; oxetane; acrylate, methacrylate, itaconate; maleimide; vinyl, propenyl, crotyl, allyl, and propargyl ether and thio-ethers of those groups; maleate, fumarate, and cinnamate esters; styrenic; acrylamide and methacrylamide; chalcone; thiol; allyl, alkenyl, and cycloalkenyl groups; b) one or more desiccant fillers, c) a photoinitiating system comprising one or more photoinitiators and optionally one or more photosensitizers. 2. The electronic or optoelectronic device in accordance with claim 1 in which the one or more desiccant fillers are selected from the group consisting of metal oxides, metal sulfates, metal hydrides, metal halides, metal perchlorates, metal carbonates, phosphorus pentoxide, metals that react with water, superabsorbant polymers, zeolites, molecular sieves, activated alumina, activated silica gel, and combinations thereof. 3. The electronic or optoelectronic device in accordance with claim 1 in which the desiccant fillers are selected from the group consisting of CaO, BaO, MgO, SiO2, P2O5, Al2O3, CaH2, NaH, LiAlH4, CaSO4, Na2SO4, MgSO4, CaCO3, K2CO3, CaCl2, 4A and 3A molecular sieves, Ba(ClO4)2, Mg(ClO4)2; lightly crosslinked poly(acrylic acid) and Ca.
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이 특허에 인용된 특허 (25)
Akaki Yu,JPX ; Yamashita Fumio,JPX ; Takaya Yasuo,JPX ; Isozaki Osamu,JPX, Active energy ray-curable resin composition.
Takamatsu, Yasushi; Nagata, Kei; Ota, Masahiro; Mizuta, Yasushi; Kikuta, Yoshio, Photocurable resin composition for sealing material and method of sealing.
Klemarczyk Philip T. ; Masterson Maria L., Radical-curable adhesive compositions, reaction products of which demonstrate superior resistance to thermal degradation.
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