| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal display device having an FFS (fringe field switching) structure achieving a wide viewing angle, particularly a liquid crystal display device having a viewing angle control function of increasing a viewing angle when sharing displayed information and of narrowing a viewing angle when privatizing information. SOLUTION: The liquid crystal display device has an FFS structure generating a lateral electric field between a first electrode 11 and a second electrode 12 on a first substrate 10, wherein a third electrode 21 for generating a vertical electric field with the first electrode 11 and the second electrode 12, is arranged on a second substrate 20 opposing to the first substrate 10. COPYRIGHT: (C)2007,JPO&INPIT
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