Liquid crystal display device with reverse tilt suppressing mean

Details Liquid crystal display device with reverse tilt suppressing mean Liquid crystal display device with reverse tilt suppressing mean

1992-12-17

1995-05-16

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 54, 359 59, 359 76, G02F 11343, G02F 11337

Patent

active

054166195

ABSTRACT:
A liquid crystal display device comprises: a first substrate; picture element electrodes formed on the inner surface of the first substrate and arranged in a matrix; switching elements formed on the inner surface of the first substrate and combined respectively with the picture element electrodes; address lines formed on the inner surface of the first substrate so as to extend respectively along the rows of the picture element electrodes; signal lines formed on the inner surface of the first substrate so as to extend respectively along the columns of the picture element electrodes; a second substrate disposed opposite to the first substrate so that a space of a predetermined thickness is formed between the first and second substrates; a common electrode formed over the inner surface of the second substrate; a liquid crystal layer sealed in the space; and an orienting layer formed at least between the inner surface of either the first substrate or the second substrate and the liquid crystal layer. The liquid crystal display device is provided with a reverse tilt suppressing means for suppressing the reverse tilt of a portion of the liquid crystal layer corresponding to the edge portion of each picture element electrode.

REFERENCES:
patent: 3772874 (1973-11-01), Lefkowitz
patent: 4405208 (1983-09-01), Shirai
patent: 4878742 (1989-11-01), Ohkubo et al.
patent: 5198917 (1993-03-01), Togashi
patent: 5307189 (1994-04-01), Nishiki et al.
Abstract of JP 52299944 of Dec. 26, 1987, Patent Abstracts of Japan, vol. 12, No. 194 (P713), 7 Jun. 1988.
Abstract of JP 3177817 of Aug. 1, 1991, Patent Abstracts of Japan, vol. 15, No. 430 (P1270), 31 Oct. 1991.
Abstract of JP 3111820 of May 13, 1991, Patent Abstracts of Japan, vol. 15, No. 312 (P1236), 9 Aug. 1991.
Abstract of JP 4051121 of Feb. 19, 1992, Patent Abstracts of Japan, 16, No. 237, (P1362), 29 May 1992.

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