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US 4,653,864 AGranted
Liquid crystal matrix display having improved spacers and method of making same
AssigneeOvonic Imaging Systems, Inc.
InventorsYair Baron, Meera Vijan
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Abstract
Light influencing displays and more particularly liquid crystal displays are disclosed which have a pair of light transmissive electrode supports which are uniformly spaced apart by a predetermined distance over the entire display area. The electrode supports are spaced apart by spacer means including a plurality of spacers arranged in a predetermined pattern between the electrode supports.
Claims19
A light influencing display comprising:
- a first substrate;
- a first plurality of pixel electrodes carried on said first substrate;
- a plurality of isolation devices and address lines carried on said first substrate;
- a second substrate;
- a second plurality of pixel electrodes carried by said second substrate;
- light influencing display material between said substrates;
- and
- spacer means for spacing said substrates apart, said spacer means being carried by said second substrate and including a plurality of discrete bodies of material arranged in a predetermined pattern.
5 more elements
A method of making a light influencing display comprising the steps of:
- providing first and second substrates;
- forming a first plurality of pixel electrodes on said first substrate;
- forming a plurality of isolation devices and address lines on said first substrate;
- forming a second plurality of pixel electrodes on said second substrate;
- forming a plurality of spacers on said second substrate in a predetermined pattern;
- securing said substrates together with said first plurality of electrodes facing said second plurality of electrodes and with said spacers between said substrates;
- and
- applying light influencing display material between said substrates.
5 more elements
Dependencies are inferred from the claim text.