发明名称 WHITE LED CHIP AND METHOD OF MANUFACTURE
摘要 The present invention discloses a white LED chip and method of manufacturing the same. The white LED chip includes a flip blue LED chip and a preformed conversion layer for light conversion, the method of manufacturing the white LED chip includes the steps of preparing for a preformed conversion layer for light conversion, setting up at least one cavity on the conversion layer, for receiving a blue LED chip(s), attaching the blue LED chip into the cavity; and cutting the conversion layer into a single white LED chip based on each cavity that received a blue LED chip. The invention not only enhance the luminous efficiency of the white LED chip, but also avoid the pollution to bottom electrode of the LED chip, making easier manufacture and higher binning yield.
申请公布号 US2016035945(A1) 申请公布日期 2016.02.04
申请号 US201414586112 申请日期 2014.12.30
申请人 APT Electronics Ltd. 发明人 WAN Chuiming;JIANG Zhirong;WU Yihui;YAO Shuguang;ZENG Zhaoming;XIAO Guowei
分类号 H01L33/50;H01L33/38;H01L33/54;H01L33/32 主分类号 H01L33/50
代理机构 代理人
主权项 1. A white LED chip, comprising a blue LED chip and a preformed conversion layer, the conversion layer has a cavity which receives the blue LED chip, the four sides and emitting surface of the blue LED chip are wrapped by the cavity.
地址 Guangzhou CN