Invention Grant
- Patent Title: Dielectric film coating for full conversion ceramic platelets
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Application No.: US16269422Application Date: 2019-02-06
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Publication No.: US10903398B2Publication Date: 2021-01-26
- Inventor: Yi Zheng , Dominik Eisert , Georg Rossbach
- Applicant: OSRAM Opto Semiconductors GmbH
- Applicant Address: DE Regensburg
- Assignee: OSRAM Opto Semiconductors GmbH
- Current Assignee: OSRAM Opto Semiconductors GmbH
- Current Assignee Address: DE Regensburg
- Agency: Slater Matsil, LLP
- Main IPC: H01L21/00
- IPC: H01L21/00 ; H01L33/00 ; H01L33/50
Abstract:
The present invention is directed to a wavelength converter comprising: —a phosphor layer and—a filter layer, wherein the filter layer is directly attached to the phosphor layer and wherein the wavelength converter has an overall thickness of between 20 μm to 80 μm.
Furthermore, the present invention is directed to a light emitting device assembly and methods for preparing a wavelength converter and methods for preparing a light emitting device assembly.
Furthermore, the present invention is directed to a light emitting device assembly and methods for preparing a wavelength converter and methods for preparing a light emitting device assembly.
Public/Granted literature
- US20200251621A1 Dielectric Film Coating for Full Conversion Ceramic Platelets Public/Granted day:2020-08-06
Information query
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