Table 1.

Calculation condition—screen protector (thickness = 0.11 mm, width = 4.0 mm, Polyethylene material).

Variables	E (Pa)	I (10${}^9$mm${}^2$)	P (N)	$\alpha$ (deg)
Values	19607843	26.04	0.005	45.0

Variables	k	p	L (mm)	$x_a$ (mm)
Values	98.95	0.3826	16.50	14.04

Variables	$y_a$ (mm)
Values	7.73