Title:
LIQUID CRYSTAL DISPLAY
Document Type and Number:
WIPO Patent Application WO/1999/032924
Kind Code:
A1
Abstract:
A liquid crystal display which can materialize a wide angle of visibility and high-speed response of a cathode-ray tube quality, and has high picture quality and high reliability. This liquid crystal display has a pair of substrates, a liquid crystal composition which has positive anisotropy of dielectric constant, being caught by the pair of substrates, an alignment control film which can align the optical axes of almost all liquid crystal molecules within a liquid crystal composition layer toward the substrate face at the time of non-application of voltage, and a pair of electrodes which can apply an electric field in roughly parallel with the faces of the pair of substrates to the liquid crystal composition layer, and modulates the transmittivity of the light passing through the liquid crystal composition layer. Hereby, this liquid crystal display can provides a high contrast ratio and a wide angle of visibility feature, and maintain a high reliability and high picture quality compatibility. Moreover, at the same time, this liquid crystal display is extremely high in response speed and can be driven even at low voltage.
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Inventors:
OHTA MASUYUKI (JP)
Application Number:
PCT/JP1997/004719
Publication Date:
July 01, 1999
Filing Date:
December 19, 1997
Export Citation:
Assignee:
HITACHI LTD (JP)
OHTA MASUYUKI (JP)
OHTA MASUYUKI (JP)
International Classes:
G02F1/1343; (IPC1-7): G02F1/1343
Foreign References:
| JPH09105918A | 1997-04-22 |
Other References:
R.A. SOREF, JOURNAL OF APPLIED PHYSICS, Vol. 45, No. 12, December 1974, (US), pages 5466-5468.
Attorney, Agent or Firm:
Ogawa, Katsuo (5-1, Marunouchi 1-chom, Chiyoda-ku Tokyo 100, JP)
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