Matrix Display Using Cassette Light Units

Abstract

A light board is made with a receptacle substrate for accommodating cassette light units. The convenience of assembly and disassembly of the light units from the receptacle substrate makes the product easily to be maintained for changing different color light units, changing different displaying patterns, removing or replacing a failure light unit.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a traditional light board;

FIG. 2A is a top view of a cassette light unit used in the present invention;

FIG. 2B is a side view of FIG. 2A;

FIG. 3 is a top view of a first embodiment of the present invention with a single light unit;

FIG. 4A is a top view of a light board of the present invention before insertion of a light unit;

FIG. 4B is a side view of FIG. 4A;

FIG. 5 is a top view of a light board of the present invention with multiple light unit slots;

FIG. 6 is a top view of a second embodiment of the present invention with a matrix light unit slots.

FIG. 7 is a plane view of a matrix display according to the present invention

FIG. 8 is a first frame used in the present invention.

FIG. 9 is a second frame used in the present invention.

Claims

1. A matrix display, comprising: (1) a plurality of light units, each having a pedestal with a top metal and a bottom metal;(2) a plurality of coplanar first metals, each having openings for allowing light transmission from said light units and being coupled to said top metals of said light units; and(3) a plurality of coplanar second metals electrically coupled to said bottom metals of said light units.

2. The matrix display as claimed in claim 1, further comprising: a frame having a plurality metal contacts each with a first end being electrically coupled to a corresponding one of said first or second metal, and with a second end for coupling to power.

3. The matrix display as claimed in claim 2, further comprising: a groove formed in the frame, for allowing sliding movement of the matrix display in and out of said frame.