Patent ID: 8054002

Claim:
A light emitting device, comprising: a bridge block comprising first, second, third, and fourth blocks, each first, second, third, and fourth block comprising a plurality of light emitting cells arranged on a substrate; and a light emitting cell block positioned in the bridge block, the light emitting cell block comprising a plurality of serially connected light emitting cells arranged on the substrate, wherein a first electrode of a light emitting cell at a first end of the light emitting cell block is electrically connected to a second electrode of each light emitting cell at a first side end of the first block and third block in the bridge block, and a second electrode of a light emitting cell at a second end of the light emitting cell block is electrically connected to a first electrode of each light emitting cell at a first side end of the second block and fourth block in the bridge block, wherein the overall shape of the light emitting device is a quadrangle, and each of the first, second, third, and fourth bridge blocks is arranged on two sides of the substrate, and wherein the electrodes are respectively arranged at central portions of opposite sides of the substrate.