Title:
COMPOSITE FILM AND ORGANIC ELECTROLUMINESCENCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/142689
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a composite film with optical functionality, high barrier properties, and outstanding flexibility; and an organic electroluminescence device with flexibility and high durability. Provided is an organic electroluminescence device which includes a composite film that includes at least one phase difference layer, a substrate, and an inorganic layer, the composite film being configured such that: the phase difference layer is a layer formed by hardening a composition that includes a liquid crystal compound; the inorganic layer contains silicon nitride; the distance between the surfaces of the substrate and the composite film is 60 µm or less; the product E × t × l fulfills expression 1 where, with regard to each of the layers other than the substrate, E is the elasticity in GPa units, t is the thickness in µm units, and l is the distance from the substrate surface to the center of the layer in µm units; and the total SUM (E × t × l) of E × t × 1 of all of the layers other than the substrate fulfills expression 2. 0.8 ≤ E × t × l (expression 1), SUM (E × t × l) ≤ 1500 (expression 2).
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Inventors:
MOTOMURA YUYA (JP)
YAMAZAKI KENTA (JP)
MORISHIMA SHINICHI (JP)
YAMAZAKI KENTA (JP)
MORISHIMA SHINICHI (JP)
Application Number:
PCT/JP2017/038482
Publication Date:
August 09, 2018
Filing Date:
October 25, 2017
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
B32B27/00; B32B7/02; B32B9/00; B32B27/26; H01L51/50; H05B33/02; H05B33/04
Domestic Patent References:
| WO2016194801A1 | 2016-12-08 | |||
| WO2013161894A1 | 2013-10-31 | |||
| WO2013077220A1 | 2013-05-30 | |||
| WO2016139981A1 | 2016-09-09 |
Foreign References:
| JP2006292834A | 2006-10-26 |
Attorney, Agent or Firm:
NAKASHIMA Junko et al. (JP)
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