Title:
FILM FOR WAVELENGTH CONVERSION SHEET, AND WAVELENGTH CONVERSION SHEET, BACKLIGHT, AND LIQUID CRYSTAL DISPLAY DEVICE WHICH USE SAME
Document Type and Number:
WIPO Patent Application WO/2022/196756
Kind Code:
A1
Abstract:
Provided is a film for a wavelength conversion sheet, which makes it possible to suppress time-varying changes in color tone when applied to a wavelength conversion sheet. This film for a wavelength conversion sheet has a primer layer and a first base material film in this order, and satisfies condition 1 or condition 2 when the refractive index of the primer layer is defined as n1, the thickness of the primer layer is defined as t1, and the refractive index of the first base material film is defined as n2. Condition 1: n1n2, and d1 shown in equation 1 shows the range of x±0.10 (where x is an even integer). Equation 1: d1 = n1×t1/112.5 nm
Inventors:
SAKAMOTO TAKESHI (JP)
HARADA RYUTARO (JP)
TAMURA SHUICHI (JP)
HARUKI AKIHITO (JP)
YAMANISHI SHOTA (JP)
FUJIOKA YUKO (JP)
HARADA RYUTARO (JP)
TAMURA SHUICHI (JP)
HARUKI AKIHITO (JP)
YAMANISHI SHOTA (JP)
FUJIOKA YUKO (JP)
Application Number:
PCT/JP2022/012205
Publication Date:
September 22, 2022
Filing Date:
March 17, 2022
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G02B5/20; B32B7/023; B32B27/00; F21S2/00; F21V9/32; G02F1/13357; F21Y103/10; F21Y105/16; F21Y115/10
Domestic Patent References:
| WO2013179951A1 | 2013-12-05 | |||
| WO2020230783A1 | 2020-11-19 | |||
| WO2022039015A1 | 2022-02-24 | |||
| WO2011122036A1 | 2011-10-06 |
Foreign References:
| JP2020019141A | 2020-02-06 | |||
| JP2015069171A | 2015-04-13 | |||
| JP2020160212A | 2020-10-01 | |||
| JP2019101174A | 2019-06-24 | |||
| JP2001288408A | 2001-10-16 | |||
| JP2003026996A | 2003-01-29 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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