It receives the crystals to rotate parallel when voltage is applied, which enables gentle to pass through very easily. This lowers the interference in light made by the Display screen, offering clearer pictures. 表示 寄付 アカウント作成 ログイン 個人用ツール 寄付 It is a colour engineering used in Liquid crystal display screens. https://paulj285tze9.ageeksblog.com/profile