发明授权
US07718449B2 Wafer level package for very small footprint and low profile white LED devices 有权
晶圆级封装,占地面积小,白色LED器件低

  • 专利标题: Wafer level package for very small footprint and low profile white LED devices
  • 专利标题(中): 晶圆级封装,占地面积小,白色LED器件低
  • 申请号: US11588551
    申请日: 2006-10-27
  • 公开(公告)号: US07718449B2
    公开(公告)日: 2010-05-18
  • 发明人: Xiang GaoMichael Sackrison
  • 申请人: Xiang GaoMichael Sackrison
  • 申请人地址: US OH Cleveland
  • 专利权人: Lumination LLC
  • 当前专利权人: Lumination LLC
  • 当前专利权人地址: US OH Cleveland
  • 代理机构: Fay Sharpe LLP
  • 主分类号: H01L21/00
  • IPC分类号: H01L21/00
Wafer level package for very small footprint and low profile white LED devices
摘要:
A surface mount LED package having a tight footprint and small vertical image size is fabricated by a method comprising: forming light emitting diode chips each having a substrate and a plurality of layers configured to emit electroluminescence responsive to electrical energizing; forming electrical vias in a sub mount, the electrical vias passing from a front side of the sub-mount to a back-side of the sub-mount; flip chip bonding the light emitting diode chips on the front-side of the sub mount such that each light emitting diode chip electrically contacts selected electrical vias; thinning or removing the substrates of the flip-chip bonded light emitting diode chips; and after the thinning, disposing a phosphor over the flip chip bonded light emitting diode chips.
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