User's Manual
Last change:
Dec 23, 2016
Torch Bigtide Digital Technology Co., Ltd.
Page 28 of 32
7.3 Protection Glass Specification
7.3.1 Outline Dimension
712.0±1.0(W)X409.0±1.0(H)X1.6±0.1(D),unit mm.
7.3.2 Construction
HEA: High-Efficiency-Antireflection
7.3.3 Reflectance
The brightness of the surface when measured at 10 degrees angle o incidence shall be no greater than 0.25%
without bonding to panel.
After bonding to panel, at an angle of incidence of between 8 and 15 degrees, the display screen reflectance
shall be no greater than 1.0% with white light source
7.3.4 Surface Quality
a. Circular Defects (L+W)/2
Circular Defects-A defect is circular when the length is <3 times the width.
>0.020” None Allowed
0.010”-0.020” 3 Maximum per 4” Circle Area
<0.010” Disregard
b. Linear Defects
Width(mm)
Single Length L(mm)
Max.acceptable
number
Note
Linear Defects
≤0.02
Ignore
Ignore
≤0.04
≤50
10
interval
﹥=20mm
>50
0