Liangyu QIU

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Redmond, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Birefringent polymer based surface relief grating
- Patent number 11,474,395
- Issue date Oct 18, 2022
- Meta Platforms Technologies, LLC
- Tanya Malhotra
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Display illumination using a grating
- Patent number 11,391,948
- Issue date Jul 19, 2022
- Facebook Technologies, LLC
- Fenglin Peng
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PATTERNED LIGHT ILLUMINATOR FOR A DISPLAY PANEL
- Publication number 20230194866
- Publication date Jun 22, 2023
- Meta Platforms Technologies, LLC
- Fenglin Peng
- G02 - OPTICS
Information Patent Application
DISPLAY ILLUMINATION USING A GRATING
- Publication number 20230023995
- Publication date Jan 26, 2023
- Meta Platforms Technologies, LLC
- Fenglin PENG
- G02 - OPTICS
Information Patent Application
BIREFRINGENT POLYMER BASED SURFACE RELIEF GRATING
- Publication number 20210191180
- Publication date Jun 24, 2021
- Facebook Technologies, LLC
- Tanya Malhotra
- G02 - OPTICS
Information Patent Application
DISPLAY ILLUMINATION USING A GRATING
- Publication number 20210072543
- Publication date Mar 11, 2021
- Facebook Technologies, LLC
- Fenglin PENG
- G02 - OPTICS