Kabushiki Kaisha Toyota Chuo Kenkyusho

Toyota Jidosha Kabushiki Kaisha

Tadayoshi Itoh

Yasunori Taga

Yasuhiro Otsuka

Motofumi Suzuki

Shigeki Hamaguchi

Tomoyashi Motohiro

An inorganic thin film polarizer having polarization characteristics comprises: a matrix for thin film polarizer composed of fine columns thereof arranged on a substrate; and light absorbing portions provided on the columns. The columns are made of inorganic substance which is transparent in the desired wavelength region of light such as the visible light region, ultraviolet region and infrared region, and each column has a substantially circular cross section. The columns are tilted at a constant angle with respect to a surface normal of the substrate and has anisotropy in density. The light absorbing portions have a light extinction coefficient larger than that of the columns at the desired wavelength region of light. The columns are arranged at a spacing of from 0.2 to 20 times the diameter of the column.

Inorganic thin film polarizer

A liquid crystal device having a higher durability and a display quality less likely to be degraded, for example, for use in a glare shield reflection mirror. The liquid crystal device comprises: a pair of substrate plates, a liquid crystal layer filled between the pair of substrate plates, and an oblique evaporation film laminated on one of the substrate plates, wherein a protective layer is formed on the boundary surface between the oblique evaporation film and a neighboring component member. The oblique evaporation film has become less susceptible to the neighboring material, and problems, such a bluish oblique evaporation film due to the proton (H.sup.+) intrusion from the neighboring material, have been prevented. Thus the liquid crystal device has come to have a higher durability and a display quality less likely to be degraded.

Liquid crystal device having an oblique evaporation film which is

Growing community of inventors

Aichi, Japan

Tadayoshi Itoh