Driving circuit for an electro-luminescence element

Details Driving circuit for an electro-luminescence element Driving circuit for an electro-luminescence element

1998-05-19

1999-10-12

Mengistu, Amare

Computer graphics processing and selective visual display system

Plural physical display element control system

Segmented display elements

3151693, G09G 310

Patent

active

059661062

ABSTRACT:
There is provided a driving circuit for an EL element which extends the life of the EL element and has improved driving efficiency. A capacitor 11 is parallel-connected to a series circuit 3 formed by an EL element 1 and an inductor 2 to cause harmonic components and a driving frequency lower than the same to pass through the capacitor 11 and the EL element 1, respectively, to extend the life of the EL element and to improve driving efficiency.

REFERENCES:
patent: 5066893 (1991-11-01), Osada et al.
patent: 5345146 (1994-09-01), Koenck et al.
patent: 5576601 (1996-11-01), Koenck et al.
patent: 5581160 (1996-12-01), Fujita
patent: 5742132 (1998-04-01), Huber et al.
patent: 5814947 (1998-09-01), Brownell

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