Patent ID: 8067780
Filing Date: 2011-11-29
Classification: H01L

Abstract:
1. A light-emitting element for bonding to a submount, the light-emitting element comprising: a transparent substrate; a first electricity semiconductor layer formed on the transparent substrate; an active layer formed on the first electricity semiconductor layer to receive a forward voltage to emit light; a second electricity semiconductor layer formed on the active layer, comprising an uneven surface shape; a contact layer formed on the second electricity semiconductor layer, said contact layer having an uneven surface shape conforming to the uneven surface shape of the second electricity semiconductor layer and forming ohmic contact therebetween; an electrode formed on the contact layer, said electrode having an uneven surface shape conforming to the uneven surface shape of the contact layer to make the surfaces of the electrode have a plurality of micro-bumps to bond the light-emitting element to a submount via the plurality of micro-bumps, wherein the plurality of micro-bumps provides a plurality of current channels.