At 03:50 AM 9/2/97 +0000, Mike Smith wrote: >On 1 Sep 97 at 18:37, Tim Kerby wrote: > >> Hi >> EL panels can be blown quite easily. Continued use reduces the life >> which I think is in the region of 2000 hours at reasonable voltage > >Even the one's used to backlight laptop computer displays? > The modern laptops use a cold cathode vacuum flourescent panel for backlighting. Much brighter and last much longer. The EL panels would gradually fade with use. After around five years you needed a flashlight to read the display (Zenith-286). --------------------------------------------------------------------------- Lynn Richardson - Design Eng.|WA0ZNL |Progress Instruments, Inc. DC - 1GHz, RX, TX 100W, PLL |WA0ZNL.AMPR.ORG |807 NW Commerce Drive ASM 6805, 8051, Z8, PIC |44.46.176.3 |Lee's Summit, MO 64086 C |lrich@proginst.com|P(816)524-4442 F 246-4556