Glass panel for cathode ray tube

摘要

A glass panel for a cathode ray tube comprises a substantially rectangular face portion on which images are displayed and a skirt portion continuous to the face portion through a blend R portion. An effective screen size of the face portion in a diagonal direction is 500mm or more, an average radius of curvature of an outer surface of the face portion is 10000mm or more in all radial directions from a face center portion, and a difference in height between the face center portion and an edge portion of the effective screen in the diagonal direction on an inner surface of the face portion is in a range from 9mm to 17mm. <IMAGE>