Invention Grant
US09130114B2 Vertical light emitting diode (VLED) dice having confinement layers with roughened surfaces and methods of fabrication 有权
垂直发光二极管(VLED)骰子具有粗糙表面的限制层和制造方法

Vertical light emitting diode (VLED) dice having confinement layers with roughened surfaces and methods of fabrication
Abstract:
A vertical light emitting diode (VLED) die includes an epitaxial structure having a first-type confinement layer, an active layer on the first-type confinement layer configured as a multiple quantum well (MQW) configured to emit light, and a second-type confinement layer having a roughened surface. In a first embodiment, the roughened surface includes a pattern of holes with a depth (d) in a major surface thereof surrounded by a pattern of protuberances with a height (h) on the major surface. In a second embodiment, the roughened surface includes a pattern of primary protuberances surrounded by a pattern of secondary protuberances.
Information query
Patent Agency Ranking
0/0