Invention Grant
- Patent Title: LED wavelength-coverting plate with microlenses in multiple layers
- Patent Title (中): LED波长覆盖板，多层微透镜
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Application No.: US12891281Application Date: 2010-09-27
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Publication No.: US08334646B2Publication Date: 2012-12-18
- Inventor: Alan Piquette , John Kelso , Nathan Zink , John Nappi , Yi Zheng , Madis Raukus
- Applicant: Alan Piquette , John Kelso , Nathan Zink , John Nappi , Yi Zheng , Madis Raukus
- Applicant Address: US MA Danvers
- Assignee: OSRAM SYLVANIA Inc.
- Current Assignee: OSRAM SYLVANIA Inc.
- Current Assignee Address: US MA Danvers
- Agent Robet F. Clark
- Main IPC: H01J1/62
- IPC: H01J1/62 ; B05D5/06 ; F21V5/04
Abstract:
A wavelength-converting plate for a wavelength-converted light emitting diode (LED) assembly. The wavelength-converting plate includes multiple layers of microlenses deposited thereon. The microlenses may have an index of refraction different from an index of refraction of the wavelength-converting plate.
Public/Granted literature
- US20120074835A1 LED Wavelength-Coverting Plate with Microlenses in Multiple Layers Public/Granted day:2012-03-29
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