noun
polarizing plate; polarizing filter
Technical term used in optics, photography, and LCD displays. Refers to a plate or filter that transmits light of a specific polarization.
液晶ディスプレイには偏光板が使われている。
Polarizing plates are used in liquid crystal displays.
カメラのレンズに偏光板を取り付けると、反
Attaching a polarizing filter to the camera lens reduces reflections.
偏光フィルター is a synonym often used in photography contexts, while 偏光板 is more common in engineering and display technology.
Compound of 偏光 (polarized light) and 板 (plate, board). The term is a straightforward technical compound.