Title:
WAVELENGTH SELECTION FILM, VIDEO SOURCE UNIT, AND DISPLAY
Document Type and Number:
Japanese Patent JP2019139080
Kind Code:
A
Abstract:
To provide a wavelength selection film for displaying colors with high saturation.SOLUTION: A wavelength selection film (10) is arranged on a display, blocks light with a predetermined wavelength, and has a cholesteric liquid crystal layer (13) provided with a cholesteric liquid crystal structure. The cholesteric liquid crystal layer reflects light in a predetermined wavelength region including 590 nm.SELECTED DRAWING: Figure 1
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Inventors:
EMORI SATOSHI
SUMINO TOMONOBU
SUMINO TOMONOBU
Application Number:
JP2018022818A
Publication Date:
August 22, 2019
Filing Date:
February 13, 2018
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B5/26; G02B5/20; G02F1/1335; G02F1/13357; G09F9/00; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| JP2003149632A | 2003-05-21 | |||
| JP2015155948A | 2015-08-27 | |||
| JP2009251511A | 2009-10-29 | |||
| JP2008083597A | 2008-04-10 | |||
| JP2003248218A | 2003-09-05 | |||
| JP2007280901A | 2007-10-25 | |||
| JP2006310075A | 2006-11-09 |
Foreign References:
| KR20180007454A | 2018-01-23 |
Attorney, Agent or Firm:
Noriyuki Yamamoto
Akihiko Yamashita
Kishimoto Tatsuto
Akihiko Yamashita
Kishimoto Tatsuto