Title:
スクアリリウム系化合物、色素組成物、膜、光学フィルタ、固体撮像素子、画像表示装置及び赤外線センサ
Document Type and Number:
Japanese Patent JP7415788
Kind Code:
B2
Abstract:
To provide a squarylium-based compound capable of forming a near-infrared cut filter which achieves both the shielding against near-infrared having wavelength of 900 nm or more and the transparency in the visible region.SOLUTION: The squarylium-based compound has a chemical structure represented by general formula (I) in the figure.SELECTED DRAWING: None
Inventors:
Yuki Tanaka
Rieko Fujita
SATO
Rieko Fujita
SATO
Application Number:
JP2020086139A
Publication Date:
January 17, 2024
Filing Date:
May 15, 2020
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C09B57/00; C09B67/20; G02B5/22; H01L27/144; H01L27/146
Domestic Patent References:
| JP2005018019A |
Foreign References:
| WO2020054719A1 | ||||
| WO2019151344A1 |
Other References:
Padilha, Lazaro A.; Webster, Scott; et al.,Excited state absorption and decay kinetics of near IR polymethine dyes,Chemical Physics,2008年,352(1-3),97-105
Nakano, Kousuke; Konishi, Teppei; Imamura, Yutaka,Estimation of maximum absorption wavelength of polymethine dyes in visible and near-infrared region based on time-dependent density functional theory,Chemical Physics,2019年,518,15-24
Nakano, Kousuke; Konishi, Teppei; Imamura, Yutaka,Estimation of maximum absorption wavelength of polymethine dyes in visible and near-infrared region based on time-dependent density functional theory,Chemical Physics,2019年,518,15-24
Attorney, Agent or Firm:
Masahiro Taguchi
Shigeo Torayama
Shigeo Torayama