Patent ID: 6995399
Filing Date: 2006-02-07
Classification: B82Y,G11B,H01S

Abstract:
1. A semiconductor light emitting device including at least a pair of light emitting elements having a main emitting plane in the same direction on a main surface of a common substrate in adjacent position, comprising: a substrate in which side surfaces thereof incline at a certain angle (off angle) in a clockwise direction with respect to a crystal axis direction, viewed from a main emitting plane side; a first light emitting element having a trapezoidal cross section in which the left side of the opposite side surfaces is gentler than the right side thereof when viewed from a main emitting plane side; and a second light emitting element which is a counterpart of the first light emitting element is formed on the left side of the first light emitting element when viewed from a main emitting plane side; and wherein the first light emitting element and the second light emitting element are strip shape and parallel to each other, and a central axis of the strip-shaped second light emitting element corresponds to an optical axis direction, whereas an optical axis of the first light emitting element corresponds to a central axis of the strip shape thereof or approaches to an optical axis side of the second light emitting element; and wherein main emitting planes of the first light emitting element and the second light emitting element are (01{overscore (1)}) plane and when viewed from the main emitting plane side, both sides of the substrate incline from the (0{overscore (1)}{overscore (1)}) plane toward the (011) plane direction with respect to a crystal axis (