LED display panel structure

Details LED display panel structure LED display panel structure

1996-10-22

1998-03-03

Cariaso, Alan

Illumination

Plural light sources

With support

362267, 362800, F21V 3102

Patent

active

057227675

ABSTRACT:
An LED display panel structure comprises a PC board, a front plate having a plurality of through-holes defined thereon, a plurality of washers, each of which is provided on a back surface of the front plate in correspondence with each of the through-holes, a plurality of LEDs, each of which is inserted through a central aperture of each of the washers being smaller than a diameter of the LED to be clamped therein, and a plurality of holders, each of which has a first recess and a second recess, each of the holders receives and holds each of the LEDs in its first recess and is attached on the PC board by water resistant adhesive filled in the second recess. A pair of through-bores communicating the first recess with the second recess are defined therebetween to allow a pair of leads of each of the LEDs to extend therethrough and connect to the PC board. Such a structure can prevent moisture from seeping in to damage the LEDs.

REFERENCES:
patent: 4599682 (1986-07-01), Stephens
patent: 4600977 (1986-07-01), Barlian et al.
patent: 4742432 (1988-05-01), Thillays et al.
patent: 4860177 (1989-08-01), Simms
patent: 5066889 (1991-11-01), Edwards
patent: 5278734 (1994-01-01), Ferber
patent: 5400228 (1995-03-01), Kao
patent: 5400229 (1995-03-01), Lin

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