LED display with overlay

Details LED display with overlay LED display with overlay

2007-07-03

2007-07-03

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S498000, C313S503000, C313S512000

Reexamination Certificate

active

10798477

ABSTRACT:
A light emitting diode (LED) display device comprises a substrate and a plurality of walls disposed on the substrate, the plurality of walls forming a cavity, the cavity being filled with an encapsulant not including fluorescent material. An LED is disposed on a first portion of the substrate within the cavity. An electrical connection exists between the LED and a second portion of the substrate, and a fluorescent material overlay is located at a top end of the cavity. The LED display device alternatively includes a plurality of LEDs, wherein each LED is disposed within a separate cavity.

REFERENCES:
patent: 5959316 (1999-09-01), Lowery
patent: 6066861 (2000-05-01), Hohn et al.
patent: 6521915 (2003-02-01), Odaki et al.
patent: 6576930 (2003-06-01), Reeh et al.
patent: 6649946 (2003-11-01), Bogner et al.
patent: 6734465 (2004-05-01), Taskar et al.
patent: 6774401 (2004-08-01), Nakada et al.
patent: 6774406 (2004-08-01), Isoda
patent: 6791259 (2004-09-01), Stokes et al.
patent: 6936857 (2005-08-01), Doxsee et al.

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