Flexible liquid crystal display with touch sensitive screens
Patent 5623280 Issued on April 22, 1997. Estimated Expiration Date: 
August 23, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 23, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSwitch assembly having selective actuation sensitivity Capacitive switches Multifunction switch incorporating NCAP liquid crystal Plasma addressed liquid crystal display and manufacturing method Patent #: 5221979 InventorsAssigneeApplicationNo. 538170 filed on 08/23/1995US Classes:345/104, Input/output liquid crystal display panel345/87, Liquid crystal display elements (LCD)349/12, Liquid crystal writing tablet349/158SubstrateExaminersPrimary: Kuntz, CurtisAssistant: Chang, Vivian Attorney, Agent or FirmInternational ClassG09G 003/36AbstractA touch sensitive liquid crystal display device (70) having first, second, and third substrates, (40), (76) and (90) and a plurality of raised ribs members (46), (48), (50), (42) and (44) to maintain appropriate spacing between said substrates. Electrically conductive material is disposed on one or more surfaces of the substrates in order to effect a change in the optical characteristics of a liquid crystal material (100) disposed between said second and third substrates. | |
