Silver Circuitry™: The Relume advantage

Relume’s revolutionary Silver Circuitry™ dissipates more heat than competitive technologies which allows Relume LED products to burn brighter, last longer, and cost less.

Typical competitive LED systems are comprised of an emitter, a metal-core printed circuit board, and an external heat sink. The emitter houses the LED die, optics, and a heat sink slug used to draw heat away from the die. The emitter is soldered to the metal core circuit board, which is mechanically attached to the heat sink.

Relume takes a more efficient approach to reducing operating temperature by eliminating the metal core board, which is thermally resistant and actually insulates the LED package from the heat sink. Instead, the LED is bonded directly to an engineered heat sink with thermally conductive silver epoxy adhesive. This dramatically increases the conduction of heat away from the diode junction directly to the heat sink and out to the ambient air.

Relume’s revolutionary heat sink is engineered directly into the design of the luminaire or even into the chassis of the Relume luminarie itself. Relume never solders LEDs during the attachment process. High soldering temperatures can significantly degrade the LED array before it is ever put into use.

Technology that is mission critical

Heat is the enemy of LED lights. It causes the LED to burn dimly as the die heats up and it significantly reduces the useful life of the LED. Therefore, dissipation of the heat from the LED die is vital.

Relume’s patented thermal management technology keeps heat away from the die. This controls junction temperature, maximizes brightness and minimizes lumen depreciation to protect the useful life of the LEDs.

Relume begins by depositing a less than 50 micron-thick electrically insulating coating over a thermally conductive aluminum heat sink. Patented Silver Circuitry™ is then printed over the coating to establish highly conductive, electrical paths for interconnecting the LEDs. The individual LEDs are robotically placed and secured by a 5-micron thick thermally conducting adhesive. The leads of the LEDs are attached to the Silver Circuitry™ with a silver based, electrically and thermally conductive adhesive rather than solder to avoid the heat degradation associated with soldered leads.

For all applications, Relume LED products are conformally coated with a two component, automotive grade, urethane resin. This high grade, transparent, UV stable film is typically 100 microns thick and protects the circuitry from moisture and mechanical abrasion.

No other thermal management system is as efficient.

See the proof of our patented technology.