Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1993-12-20
1995-05-23
Gross, Anita Pellman
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 79, 359 81, G02F 1133, G02F 11333, G02F 11339
Patent
active
054186331
ABSTRACT:
A liquid crystal display device includes laminated plural electrical field effect type liquid crystal layers with light-transmitting electrically insulating layers inserted therein, and liquid crystal injection holes for forming the columns for supporting the insulation layers and the liquid crystal layers. The structure of the liquid crystal display device is changed in the manner that the columns are striped so as to increase the width thereof and the liquid crystal injection holes are rod-shaped so as to increase the section width thereof. Accordingly, the gap of the liquid crystal layers is maintained and the etching time for dissolution layers is considerably reduced, thereby improving the structural quality of the liquid crystal display device and obtaining a uniformly displayed image.
REFERENCES:
patent: 3886014 (1975-05-01), Bayer
patent: 4581608 (1986-04-01), Aftergut et al.
patent: 4659182 (1987-04-01), Aizawa
patent: 4813770 (1989-03-01), Clerc et al.
patent: 4878741 (1989-11-01), Fergason
patent: 5113272 (1992-05-01), Reamey
Choi Woo-ho
Kim Joon-heon
Donohoe Charles R.
Gross Anita Pellman
Miller Charles
Samsung Electronics Co,. Ltd.
Westerlund Robert A.
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