Patent ID: 6998768

Claim:
A formed type flat panel made of tinted glass, comprising: a substantially rectangular faceplate including an effective picture plane, an external surface having a radius of curvature of R being equal to or greater than 10,000 mm and a curved inner surface having a radius of curvature R 1 , R 1 being smaller than R; a skirt portion extending backward from a periphery of the faceplate; a corner portion joining the faceplate and the skirt portion; wherein a diagonal length D of the effective picture plane is equal to or greater than 665 mm but less than 700 mm, and 0.03 D −5 ≦T 1 ≦0.039 D +15/( D 0.5 −1.5)+2.54 0.0185 D −6.5 ≦T 2 ≦0.0204 D 1.3≦ T 1 /T 2 ≦1.97 wherein T 1 is a periphery thickness of the faceplate, and T 2 is a center thickness of the faceplate.