Electroluminescent element having particular electrode arrangeme

Details Electroluminescent element having particular electrode arrangeme Electroluminescent element having particular electrode arrangeme

1998-04-14

2000-11-07

Patel, Vip

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313509, 313521, 313494, H01J 162, H01J 6304

Patent

active

061441562

ABSTRACT:
The invention relates to the manufacture of electroluminescent elements on the basis of a so-called planar electrode arrangement (8a, 8b), whereby the modifications in accordance with the invention enable a substantial increase of the luminous power to be attained. To strengthen the electric field and hence increase the brightness, a special multilayer technology is employed. The electric field may be further strengthened by a film having a high dielectric constant. Preferably, a customary printed circuit board is used as the supporting board, so that the process in which the electroluminescent element is manufactured can be directly integrated in the printed-circuit-board manufacturing process. A further advantage of the invention is that the printed circuit boards provided with the optical components in accordance with the invention can be soldered by means of customary solder processes.

REFERENCES:
patent: 3634714 (1972-01-01), Anderson et al.
patent: 5932327 (1999-08-01), Inoguchi et al.

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