Patent ID: 9006768
Filing Date: 2015-04-14
Classification: H01L

Abstract:
1. A light emitting diode (LED) structure comprising: an epitaxial p-type layer; an epitaxial n-type layer, light generated by the LED structure exiting through the n-type layer; an epitaxial active layer between the p-type layer and the n-type layer, wherein the p-layer and the active layer are etched at one or more first areas to expose the n-type layer for connection to an n-electrode, and wherein the one or more first areas create one or more non-light emitting areas; a metal n-electrode electrically contacting the n-type layer through the one or more first areas; a transparent conductor layer formed on the p-type layer; a metal p-electrode formed on the transparent conductor layer and electrically contacting the p-type layer via the transparent conductor layer, the p-electrode being located in the one or more non-light emitting areas so as not to substantially block light; a dielectric, transparent bonding layer, the p-electrode being within the bonding layer with a portion of the p-electrode being exposed on a surface of the LED structure for connection to a power source, and the n-electrode being above the bonding layer with a portion of the n-electrode being exposed on a surface of the LED structure for connection to the power source; a transparent support substrate bonded to the p-layer by at least the bonding layer, the transparent support substrate being thicker than the epitaxial layers; and a reflector opposing a bottom surface of the substrate, wherein light emitted by the active layer in the direction of the n-type layer exits through the n-type layer, and wherein light emitted by the active layer in the direction of the substrate is reflected upwards by the reflector and exits through the n-type layer.