Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1993-11-04
1995-04-11
Sikes, William L.
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 87, G02F 11339, G02F 11343
Patent
active
054063981
ABSTRACT:
A liquid crystal device is constituted by a pair of oppositely spaced substrate each having on its opposite surface a group of stripe electrodes disposed to intersect with those disposed on the other substrate, and a liquid crystal disposed between the substrates so as to be driven by a voltage applied through the stripe electrodes. The group of stripe electrodes on at least one of the pair of substrates are formed through a lithographic step including dividing the stripe electrodes into at least two divisions at a line parallel (or perpendicular) to the extension of the stripe electrodes, and repeating a pattern exposure for each division of the stripe electrodes so as to dispose a joint between the divisions of the stripe electrodes at a non-display part including a spacing between two stripe electrode on the same substrate (or at a part in alignment with a non-display part including a spacing between two stripe electrodes on the opposite substrate). In an embodiment, the liquid crystal device is provided with a dummy electrode pattern for promoting the liquid crystal injection.
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Masaki Yuichi
Mitsui Mutsuo
Suzuki Masa-aki
Yoshioka Toshifumi
Canon Kabushiki Kaisha
Sikes William L.
Trice Ron
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