Title:
OPTICAL FILM, COMPOSITION FOR COLORED LAYER FORMATION, DIPYRROMETHENE COBALT COMPLEX, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/132318
Kind Code:
A1
Abstract:
This optical film comprises a transparent substrate and a colored layer laminated on at least one surface of the transparent substrate. The colored layer contains a pigment (A); the pigment (A) contains a coloring material having a maximum absorption wavelength within the range of 470-530 nm; and the coloring material contains a dipyrromethene cobalt complex having a structure represented by formula (I). The combinations of R1 through R7 in the formula (I) are configured such that, when R1 through R7 is plugged into a prescribed reaction formula (II), and a free energy change from before to after the reaction is calculated using a quantum chemical calculation program Gaussian 16, with a B3LYP calculation method and 6-31G (d, p) basis function (for elements with an atomic number larger than Kr in the periodic table, a LanL2DX basis function is assigned), the free energy change is 0.92 kcal/mol or more.
Inventors:
TAGAMI HANAE (JP)
FURUKAWA SHIGEKI (JP)
SHIMADA ERIKA (JP)
ISHIMARU YOSHIKO (JP)
FUTAMATA KAI (JP)
ISHIKAWA SHINYA (JP)
FURUKAWA SHIGEKI (JP)
SHIMADA ERIKA (JP)
ISHIMARU YOSHIKO (JP)
FUTAMATA KAI (JP)
ISHIKAWA SHINYA (JP)
Application Number:
PCT/JP2022/048523
Publication Date:
July 13, 2023
Filing Date:
December 28, 2022
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
G02B5/22; B32B7/023; B32B27/18; B32B27/20; C07F15/06; C08F290/00; C08L33/04; C08L101/00; C09B23/04; C09B23/16; C09B26/02; C09B67/20; G02B5/20
Foreign References:
| JP2021038177A | 2021-03-11 | |||
| JP7173394B1 | 2022-11-16 |
Other References:
FERGUSSON J. E., RAMSAY C.A.: "971. Dipyrromethene Complexes of Transition Metals. Part I. Tetrahedral Complexes of Cobalt(II), Nickel(II), Copper(II), and Zinc(II)", JOURNAL OF THE CHEMICAL SOCIETY, 1 January 1965 (1965-01-01), pages 5222 - 5225, XP093078046, DOI: 10.1039/JR9650005222
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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