COMPOSITION, FILM, LAMINATE STRUCTURE, LIGHT-EMITTING DEVICE AND DISPLAY

Title:

COMPOSITION, FILM, LAMINATE STRUCTURE, LIGHT-EMITTING DEVICE AND DISPLAY

Document Type and Number:

WIPO Patent Application WO/2020/179490

Kind Code:

A1

Abstract:

This composition contains (1) a compound having a Perovskite crystal structure having A, B and X as constituent components, and (a) a compound which, in the x-ray diffraction pattern, has a diffraction peak with the Bragg angle (2θ) in the range 10-13°, wherein the ratio ((Pa)/(P1)) of the diffraction peak intensity (P1) of the Miller index (001) of the surface of (1) and the intensity (Pa) of the diffraction peak of (a) that, in the range in which the Bragg angle (2θ) is 10-13°, has the highest intensity other than the peak derived from (1), is 0.3-10.

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Inventors:

NAITO SHOTA (JP)
SUGIUCHI MIZUHO (JP)

Application Number:

PCT/JP2020/006989

Publication Date:

September 10, 2020

Filing Date:

February 21, 2020

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Assignee:

SUMITOMO CHEMICAL CO (JP)

International Classes:

C01G21/00; G02B5/20

Domestic Patent References:

WO2019017843A1	2019-01-24
WO2018235948A1	2018-12-27

Foreign References:

JP2018193467A

2018-12-06

Attorney, Agent or Firm:

NAKAYAMA, Tohru et al. (JP)

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