Invention Grant
- Patent Title: Light emission device
- Patent Title (中): 发光装置
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Application No.: US12075474Application Date: 2008-03-11
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Publication No.: US07935972B2Publication Date: 2011-05-03
- Inventor: Wolfgang Plank
- Applicant: Wolfgang Plank
- Applicant Address: LI Schaan
- Assignee: Ivoclar Vivadent AG
- Current Assignee: Ivoclar Vivadent AG
- Current Assignee Address: LI Schaan
- Agent Ann M. Knab
- Priority: DE102007011637 20070309
- Main IPC: H01L33/00
- IPC: H01L33/00
Abstract:
The invention relates to a light emission device, comprising at least two light-emitting semiconductor chips and a substrate. At least one first semiconductor chip (12) is fitted on the substrate and a second semiconductor chip (14) is fitted on the first semiconductor chip (12).
Public/Granted literature
- US20080217630A1 Light emission device Public/Granted day:2008-09-11
Information query
IPC分类:
