Electrically-driven liquid crystal lens and display device using the same

A display device comprising:

• a display panel to emit 2-dimensional first and second images;
• and
• an electrically-driven liquid crystal lens disposed on the display panel and including:
• first and second substrates arranged opposite each other and defined, respectively, with a plurality of lens regions corresponding to each other;
• first electrodes formed on the first substrate between centers of the respective neighboring left and right lens regions on the first substrate;
• a black matrix layer formed on the first substrate to correspond to edges of the respective lens regions, the black matrix layer having a first width;
• second electrodes formed above the first electrodes electrode to correspond to the edges of the respective lens regions, the second electrodes having a second width smaller than the first width;
• a third electrode formed throughout the second substrate;
• and
• a liquid crystal layer interposed between the first substrate and the second substrate.