Title:
OPTICAL ELEMENT, PRODUCTION METHOD FOR OPTICAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/033468
Kind Code:
A1
Abstract:
[Problem] To provide an optical element that can improve off-axis color shift when incorporated in a liquid crystal display device, a production method for the optical element, and a liquid crystal display device. [Solution] An optical element that is equipped with a reflective polarizer to which a cholesteric liquid crystal phase comprising a discotic liquid crystal compound is fixed. In the reflective polarizer, at ±50 nm outside the central reflection wavelength, the head-on retardation value Re is 0 nm ≤ Re < 10 nm, and the absolute value | Ret(50°) | of the retardation value Ret in the direction of a polar angle of 50° is | Ret(50°) | ≤ 50 nm.
Inventors:
ATSUMI KUNIHIRO (JP)
SAITOH YUKITO (JP)
OHMURO KATSUFUMI (JP)
TAKEDA JUN (JP)
MORISHIMA SHINICHI (JP)
SAITOH YUKITO (JP)
OHMURO KATSUFUMI (JP)
TAKEDA JUN (JP)
MORISHIMA SHINICHI (JP)
Application Number:
PCT/JP2016/003883
Publication Date:
March 02, 2017
Filing Date:
August 26, 2016
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/30; G02F1/1335
Domestic Patent References:
| WO2015029958A1 | 2015-03-05 | |||
| WO2011030596A1 | 2011-03-17 |
Foreign References:
| JPH10213709A | 1998-08-11 | |||
| JPH1164631A | 1999-03-05 |
Attorney, Agent or Firm:
YANAGIDA, Masashi et al. (JP)
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