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Patent Searching and Data


Title:
LED SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2012/111641
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an LED substrate having an insulating layer that has excellent performance as a water-vapor barrier. The present invention relates to an LED substrate comprising a conductor layer provided on at least one surface of an insulating layer comprising a liquid-crystal polyester that has a repeating unit represented by formula (1), a repeating unit represented by formula (2), and a repeating unit represented by formula (3), with repeating units containing 2,6-naphthylene groups constituting at least 40 mol% of all of the repeating units in said liquid-crystal polyester. (1) -O-Ar1-CO- (2) -CO-Ar2-CO- (3) -O-Ar3-O- (Ar1 represents a 2,6-naphthylene group, a 1,4-phenylene group, or a 4,4'-biphenylene group. Ar2 and Ar3 each independently represent a 2,6-naphthylene group, a 1,4-phenylene group, a 1,3-phenylene group, or a 4,4'-biphenylene group.)

Inventors:
HOSODA TOMOYA (JP)
MAEDA MITSUO (JP)
OKAMOTO SATOSHI (JP)
Application Number:
PCT/JP2012/053325
Publication Date:
August 23, 2012
Filing Date:
February 14, 2012
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
HOSODA TOMOYA (JP)
MAEDA MITSUO (JP)
OKAMOTO SATOSHI (JP)
International Classes:
H01L33/62; C08G63/60
Foreign References:
JP2010135782A2010-06-17
JP2009262444A2009-11-12
JP2010114427A2010-05-20
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
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Claims: