The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 05, 2025

Filed:

Jun. 15, 2023
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventor:

Takashi Aridomi, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); C09K 11/06 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133614 (2021.01); C09K 11/06 (2013.01); G02F 1/133311 (2021.01); G02F 1/133317 (2021.01); G02F 1/133524 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); G02F 2201/50 (2013.01);
Abstract

Provided are a color conversion film including, in the following order, a support, a first color conversion layer containing an organic light-emitting material which emits, by an excitation light having a wavelength of 400 nm or more and less than 500 nm, light observed in a region having a peak wavelength of 500 nm or more and less than 580 nm, an interlayer, and a second color conversion layer containing an organic light-emitting material which emits, by at least one of the excitation light having a wavelength of 400 nm or more and less than 500 nm or the light emitted from the organic light-emitting material, light observed in a region having a peak wavelength of 580 nm or more and less than 750 nm; a method for manufacturing a color conversion film, a backlight unit, and a liquid crystal display device.


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