Patent ID: 7381995

Claim:
A lighting device with flipped side-structure of light emitting diodes (LEDs), comprising: a substrate including at least one n-electrode pad and at least one p-electrode pad, and having a substrate surface; and at least two LED chips attached back-to-back and mounted on said substrate, wherein each of said LED chips has an n-bonding pad and a p-bonding pad, one of the two bonding pads is located on a front surface occupying only a small fraction of the chip area of the LED chip and the other bonding pad on a back surface covering the entire back surface of the LED chip, said LED chips are mounted on said substrate with their side surfaces facing said substrate surface, and the n-bonding pads and p-bonding pads of said LED chips are bonded to their corresponding n-electrode pads and p-electrode pads of said substrate, respectively.