Optical path control member and display device comprising same

Abstract

An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged beneath the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises a partition part and an accommodation part alternately arranged, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the accommodation part operates in a public mode or a privacy mode according to whether a voltage is applied, a first voltage is applied when changing from the privacy mode to the public mode, a second voltage and a third voltage are applied when changing from the public mode to the privacy mode, and the second voltage and/or the third voltage include a pulse voltage.