Title:
METHOD FOR PRODUCING BLUE CURED FILM, BLUE PHOTOSENSITIVE COMPOSITION, COLOR FILTER AND METHOD FOR PRODUCING SAME, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/238762
Kind Code:
A1
Abstract:
This method for producing a blue cured film includes: a step for forming, on a substrate, a coating film of a blue photosensitive composition that contains a colorant, an alkali-soluble resin, a photopolymerizable compound, and a photoinitiator that contains an oxime-based photoinitiator and a sensitizer which is different from the oxime-based photoinitiator and which has a sensitizing effect at wavelengths of 400 nm to 420 nm; and a step for curing the coating film by exposing the coating film to light using an LED light source have emission peak wavelengths at 360 nm to 380 nm and 400 nm to 420 nm.
Inventors:
ONO ATSUSHI (JP)
HAYASHI RYO (JP)
HAYASHI RYO (JP)
Application Number:
PCT/JP2023/020425
Publication Date:
December 14, 2023
Filing Date:
June 01, 2023
Export Citation:
Assignee:
DNP FINE CHEMICALS CO LTD (JP)
International Classes:
C07C323/32; C08F2/44; C08F2/50; C08F20/00; C08F265/00; C08L101/00; C09B11/12; C09B19/02; C09B47/04; G02B5/20; G03F7/004; G03F7/031; G03F7/20; H10K50/10; H10K59/35; H10K59/38
Domestic Patent References:
| WO2020226099A1 | 2020-11-12 |
Foreign References:
| JP2020514788A | 2020-05-21 | |||
| JP2019174635A | 2019-10-10 | |||
| JP2020086317A | 2020-06-04 |
Attorney, Agent or Firm:
KISHIMOTO, Tatsuhito et al. (JP)
Download PDF: