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US07928451B2 Shaped contact layer for light emitting heterostructure 有权
用于发光异质结构的成形接触层

Shaped contact layer for light emitting heterostructure
Abstract:
An improved light emitting heterostructure and/or device is provided, which includes a contact layer having a contact shape comprising one of: a clover shape with at least a third order axis of symmetry or an H-shape. The use of these shapes can provide one or more improved operating characteristics for the light emitting devices. The contact shapes can be used, for example, with contact layers on nitride-based devices that emit light having a wavelength in at least one of: the blue spectrum or the deep ultraviolet (UV) spectrum.
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