λ/4 film

English

Etymology

λ (“wavelength”).

Noun

λ/4 film (plural λ/4 films)

1. (technology) Film having a retardation of a quarter of a specified wavelength, used with a polarizer film to lower the reflectance of a display significantly.

Synonyms

• quarter-wavelength film
• quarter-wave plate
• λ/4 plate

Translations

film with a retardation of quarter wavelength

• French: lame λ/4 f, lame quart d’onde f
• Japanese: λ/4板
• Korean: λ/4판