Inventor
ZHANG HONGXIU
CN6 patents
Patents
6 patentsUS12078919B2Sep 3, 2024
Wire grid structure and manufacturing method therefor, and projection screen
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US11921412B2Mar 5, 2024
Method for manufacturing projection screen and projection screen
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US12443034B2Oct 14, 2025
Optical film and optical imaging system
APPOTRONICS CORP LTD0 citations51
US11905442B2Feb 20, 2024
Screen splicing structure and method for forming screen splicing structure
APPOTRONICS CORP LTD0 citations51
US12099287B2Sep 24, 2024
Transparent projection screen, and manufacturing method for same
APPOTRONICS CORP LTD0 citations48
US10719005B2Jul 21, 2020
Projection screen and manufacturing method therefor
APPOTRONICS CORP LTD0 citations40