Patent ID: 7015635

Claim:
A color CRT comprising: a panel having a substantially flat outer surface and an inner surface having a predetermined curvature; a funnel coupled to a rear surface of the panel; and a reinforcing band coupled to a skirt portion of the panel in order to prevent an explosion of the panel and the funnel; wherein an asepct ratio of an effective surface of the panel is 4:3 and a following condition 0.0426*U 2 −46.848*U+14095≦T*W*Yp≦0.0381*U 2 −35.517*U+9994.1 is satisfaed; wherein U denotes a diagonal size of the effective surface of the panel in mm, T denotes a thickness of the reinforcing band, W denotes a width of the reinforcing band, Yp denotes a yield strength of the reinforcing band, and T*W*T*Yp denotes a band force F of the reinforcing band.