Patent ID: 8669568

Claim:
A light emitting device, comprising: a light emitting unit, provided with a plurality of first light emitting diodes (LEDs) and a plurality of second LEDs; and a submount, provided with a plurality of first conductive contacts and a plurality of second conductive contacts, wherein the plurality of first conductive contacts are coupled to the plurality of first LEDs, such that the plurality of first LEDs are connected in series, and the plurality of second conductive contacts are coupled to the plurality of second LEDs respectively, wherein the plurality of second conductive contacts are disposed in pairs, each pair of the plurality of second conductive contacts corresponds to one corresponding second LED, and the two second conductive contacts of each pair of the plurality of second conductive contacts are staggered; and wherein each of the plurality of first and second conductive contacts is only electrically connected through one of the plurality of first and second LEDs with any of the other of the plurality of first and second conductive contacts, respectively.