Increased brightness drive system for an electroluminescent...

Details Increased brightness drive system for an electroluminescent... Increased brightness drive system for an electroluminescent...

H - Electricity

05

B

H05B 33/08 (2006.01) G09G 3/30 (2006.01)

Patent

CA 2151469

A thin film electroluminescent display panel is driven with either a symmetric or asymmetric drive scheme which includes at least one equalizing voltage pulse per write cycle to remove carriers trapped at the interfaces of dielectric layers and phosphor layer in order to stabilize the charge of each display panel pixel. The present invention reduces the smearing, latent image and pseudo persistence problems caused by carriers being retained and accumulated at the dielectric and phosphor layer interfaces.

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