REFLECTIVE SUBSTRATE FOR LIGHT-EMITTING ELEMENT

Title:

REFLECTIVE SUBSTRATE FOR LIGHT-EMITTING ELEMENT

Document Type and Number:

WIPO Patent Application WO/2013/047874

Kind Code:

A1

Abstract:

Provided is a reflective substrate for a light-emitting element, said reflective substrate exhibiting higher heat resistance, excellent light resistance and a high optical reflectance. The reflective substrate is provided with an inorganic reflective layer that covers a valve metal base at least partially, wherein the inorganic reflective layer has a Vickers hardness (Hv) of 1GPa or more and an absorbance difference between at a wavenumber of 3000cm-1 and at a wavenumber of 1900cm-1 of 0.40 or more as determined by infrared spectroscopy, said absorbance difference being correspondent to an absorption coefficient assignable to OH surface structure.

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Inventors:

HOTTA YOSHINORI (JP)

Application Number:

PCT/JP2012/075390

Publication Date:

April 04, 2013

Filing Date:

October 01, 2012

Export Citation:

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Assignee:

FUJIFILM CORP (JP)

International Classes:

C23C26/00; B32B9/04; C23C28/04; C25D11/18; H01L33/60

Domestic Patent References:

WO2006104061A1

2006-10-05

Foreign References:

JP2011151395A	2011-08-04
JP2009206294A	2009-09-10
JP2003535359A	2003-11-25

Attorney, Agent or Firm:

WATANABE Mochitoshi et al. (JP)
Mochitoshi Watanabe (JP)

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Claims:

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