Invention Grant
- Patent Title: Method of manufacturing a filtering layer of silicon dioxide on a display screen
- Patent Title (中): 在显示屏上制造二氧化硅过滤层的方法
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Application No.: US08433664Application Date: 1995-05-04
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Publication No.: US06284306B1Publication Date: 2001-09-04
- Inventor: Emmanuel W. J. L. Oomen , Joseph G. Van Lierop
- Applicant: Emmanuel W. J. L. Oomen , Joseph G. Van Lierop
- Priority: EP92204041 19921221
- Main IPC: B05D512
- IPC: B05D512
Abstract:
The display screen 32 of a cathode ray tube is provided with a filtering layer consisting of silicon dioxide, an oxide of Ge, Zr, Al or Ti and a black dye. The filtering layer obtained may be mirror bright, is resistant to light and to customary cleaning liquids.
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