Arrays of optoelectronic devices and method of making same

Details Arrays of optoelectronic devices and method of making same Arrays of optoelectronic devices and method of making same

H - Electricity

05

K

H05K 7/04 (2006.01) F21V 29/00 (2006.01) H01L 25/075 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2204432

A low cost LED array is formed from a plurality of modular units that are snapped together. Each modular unit consists of one or more U-shaped lead frame substrates which are overmolded with a thermoplastic insulator material (27, 29, 30). The lead frame substrates act as heat dissipators. The LEDs (32, 34, 36, 38, 40) are then bonded onto the upper surfaces of the lead frame substrates. A reflector unit is separately molded and has one cone-shaped reflector (44, 46, 48, 50, 52) for each light emitting diode. The lead frame unit such that the LED is disposed in the center of each cone. Each of the reflector units has several dovetail-shaped connectors (54, 56, 58, 60, 62, 64) which enable the completed module to be connected to adjacent modules to form the array. The modules are then electrically connected together in series or in parallel according to the particular application. The arrays may be used for plant growth or in photodynamic therapy.

Cette invention concerne un réseau de diodes électroluminescentes de faible coût, composé de plusieurs unités modulaires branchées les unes aux autres. Chaque unité modulaire se compose d'un ou de plusieurs substrats formant grilles de connexion en forme d'U, autour desquels est moulé un matériau isolant thermoplastique (27, 29, 30). Les substrats formant grilles de connexion sont utilisés comme dissipateurs de chaleur. Les diodes électroluminescentes (32, 34, 36, 38, 40) sont alors fixées sur la face supérieure desdits substrats. Un ensemble réflecteur, moulé séparément, comporte un réflecteur en forme de cône (44, 46, 48, 50, 52) pour chaque diode électroluminescente. L'unité grille de connexion est conçue de manière à ce que les diodes électroluminescentes soient disposées au centre de chaque cône. Chaque ensemble réflecteur comporte plusieurs connecteurs en queue d'aronde (54, 56, 58, 60, 62, 64) permttant de connecter un module complet aux modules voisins afin de former un réseau. Un montage électrique permet ensuite de relier les modules en série ou en parallèle en fonction de l'application souhaitée. Ces réseaux peuvent être utilisés dans la croissance des plantes ou en thérapie photodynamique.

Affiliated with

Also associated with

Rating

Arrays of optoelectronic devices and method of making same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Arrays of optoelectronic devices and method of making same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arrays of optoelectronic devices and method of making same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-2013829