Patent ID: 9657924
Date: 2017-05-23
CPC Classifications: F21K,F21V,F21Y,H05K

Claim:
1. A process of making an LED 3D curved lead frame of an illumination device, comprising: providing a multilayer lead frame structure; the multilayer lead frame structure having a plurality of monolithic lead frames; setting a thickness of each of plurality of monolithic lead frames from 0.05 mm to 2 mm; setting a width of each of plurality of monolithic lead frames from 1 mm to 10 mm; each of the plurality of monolithic lead frames having a plurality of seats, a plurality of wires and a plurality of connecting parts; each of the plurality of wires connecting two adjacent seats among the plurality of seats; each of the plurality of seats having an electrode contact; providing a plurality of conductive adhesives; infusing each of the plurality of conductive adhesives on each of the plurality of electrode contacts; providing a plurality of LED chips; installing each of the plurality of LED chips into each of the plurality of seats; pasting each of the plurality of LED chips on each of the plurality of electrode contacts through each of the plurality conductive adhesives; conducting heating and solidification to each of the plurality of conductive adhesives so as to secure each of the plurality of LED chips with each of the plurality of seats; providing a banded metal plate; arranging the plurality of monolithic lead frames on the banded metal plate; providing a plurality of insulating heat conduction cements; connecting two adjacent monolithic lead frames among the plurality of monolithic lead frames with each other and connecting the most underside monolithic lead frame among the plurality of monolithic lead frames with the banded metal plate through each of the plurality of insulating heat conduction cements; and cutting off the connecting part.