Side-view light emitting laser element
AssigneeLextar Electronics Corporation
InventorsTe-Chung WANG, Shiou-Yi KUO, Jun-Rong CHEN
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Abstract
A side-view light emitting laser element includes a support substrate, a first electrode layer, a second electrode layer, and a light emitting multilayer unit sandwiched between the first electrode layer and the second electrode layer. The first electrode layer is disposed on the support substrate. The second electrode layer is disposed on the first electrode layer. The light emitting multilayer unit includes a first semiconductor layer, a second semiconductor layer and an activating layer sandwiched between the first semiconductor layer and the second semiconductor layer. A first refractive index of the first electrode layer and a second refractive index of the second electrode layer are between 1 and 0, respectively.
Claims12
A side-view light emitting laser element, comprising:
- a support substrate;
- a first electrode layer disposed on the support substrate, wherein one surface of the first electrode layer opposite to the support substrate is partially formed with a first extending portion, the first extending portion has a first light reflection surface which is disposed on one surface of the first extending portion opposite to the support substrate;
- a second electrode layer disposed on the first electrode layer;
- and
- a light emitting multilayer unit sandwiched between the first electrode layer and the second electrode layer, and the second electrode layer fully covering the light emitting multilayer unit, the light emitting multilayer unit comprising a first semiconductor layer, a second semiconductor layer and an activating layer sandwiched between the first semiconductor layer and the second semiconductor layer,
- wherein one surface of the second electrode layer facing towards the light emitting multilayer unit is partially formed with a second extending portion, the first extending portion and the second extending portion respectively extend towards the light emitting multilayer unit, the second extending portion has a second light reflection surface which is disposed on one surface of the second extending portion facing towards the support substrate, and a first orthographic projection of the first light reflection surface to the support substrate is overlapped with a second orthographic projection of the second light reflection surface to the support substrate, and a resonant cavity is defined between the second light reflection surface and the first light reflection surface for confining light waves and repeatedly oscillating the light waves so as to convert and discharge laser lights from the resonant cavity outwardly, wherein a first refractive index of the first electrode layer and a second refractive index of the second electrode layer are between 1 and 0, respectively.
Dependencies are inferred from the claim text.