Panel for color cathode-ray tube
US5386174A · kind A · utility
Inventor
Key dates
| Filing date | May 21, 1992 |
| Grant date | Jan 31, 1995 |
| Priority date | — |
| Expiry date | May 21, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/862
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a front panel capable of accommondating a shadow-mask high-quality color cathode-ray tube. By using the panel in combination with a shadow mask employing non-deforming steel having a small coefficient of expansion, a panel which is well-balanced and easy to view is obtained. The front panel consists of a transparent glass material and has an outer surface and an inner surface formed to be curved surfaces. The radius of curvature in one direction of the curved surface forming the outer surface of the front panel is greater than the radius of curvature in a direction perpendicular to the first-mentioned direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.