| 摘要 |
A display device includes: a display unit, displaying an image; and an optical unit including a first substrate on the display unit, a first electrode on the first substrate, a liquid crystal layer on the first electrode and configured to be responsive to a vertical electric field or a horizontal electric field, a second electrode on the liquid crystal layer, an insulation layer on the second electrode, a third electrode on the insulation layer, and a second substrate on the third electrode.
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