High Contrast Ratio FFS-based LCD Switchable to a Stronger Privacy Mode

Murata, Kōji; Hanaoka, Ken’ichi; Shimada, Shinji; Yagi, Shugo; Takase, Kenji; Minoura, Kiyoshi

doi:10.36463/idw.2020.0058

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2023

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“…But, such a privacy LCD also has difficulty in realizing the public mode with wide viewing profile, which is required in the automotive display. Also, the authors reported that Viewing Angle Adjustable (VAA) techniques based on FFS LCDs that used a metallic BM electrode (3 rd electrode) included in a single LC panel to electrically control the viewing angle profile for smartphones' applications [3,4].…”

Section: Objective and Backgroundmentioning

confidence: 99%

84‐4: Switchable Privacy LCD Suitable for the Automotive Super Long‐Size Screen

Murata,

Hirai,

Sato

et al. 2023

Symp Digest of Tech Papers

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We have developed a Switchable Privacy FFS LCD that can be switched between two display modes: 1) Public mode with wide viewing profile and 2) Privacy mode activated partially only in CDD area. By adopting the new LCD configuration, our 12.3‐ inch prototype has successfully enabled: 1) Seamless Public mode and 2) Privacy mode that lowers the relative luminance (<1.3%) over H‐25deg, and 3) Minimized color difference (Δxy<0.005) between modes.

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Section: Objective and Backgroundmentioning

confidence: 99%