Field sensitive optical displays, generation of fields therefor and scanning thereof
Patent 4493531 Issued on January 15, 1985. Estimated Expiration Date: 
April 1, 2003. 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.
April 1, 2003. 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 ReferencesInventorsAssigneeApplicationNo. 06/479349 filed on 04/01/1983US Classes:349/143, Matrix electrodes315/169.3, Electroluminescent device349/141, Interdigited (comb-shaped) electrodes359/265, Electrochromic359/267Reflection-type (e.g., display device)ExaminersPrimary: Corbin, John K.Attorney, Agent or FirmInternational ClassesG02F 1/13 (20060101)G02F 1/1347 (20060101) G02F 1/133 (20060101) G02F 1/1345 (20060101) G02F 1/1343 (20060101) AbstractDisclosed are field sensitive optical displays, and arrangements and methods for inducing fields in the displays and for scanning the displays. In the disclosed embodiments, liquid crystal, optoceramic and electroluminescent materials are utilized. Methods and arrangements for improving the response time of twisted nematic liquid crystal material and for generating color displays are also disclosed. Methods and arrangements are also disclosed for superimposing varying and a dc fields in field sensitive material. Various display patterns such as a movable dot, intersecting lines and a pivoting line can be obtained.Other References
| |
