Doc. No. DOC-00045694
REV.
Issued Date 2008/8/21
. Revised Date 2008/11/6 A01
Doc. T itle Blackstone Service Manual Page 74 of 96
HTC CONFIDENTIAL
SM-TP001-0704
HTC Corporation
IT IS GENER IC COSMETIC INSPECTION C RITERIA FOR ALL PRODUCTS IF THERE HAVE ANY CONFLICT
WITH THESE GENERIC CRITERIONS; PLEASE FOLLOW THE PRODUCT INSPECTION CRITERIA
RESPECTIVELY.
Description
¾ D: Diameter / L: Length / W: Width / N: Number of defects/ S: Distance from dot to dot
¾ Inspecting distance: 30 ± 5cm / Mechanical inspection angle：90 d egrees /
¾ LCM inspection angl e：90±15 degrees / Inspection time:5 secs per surface.
¾ Ambient illumination is to be 500-1100 lux
¾ The inspection condition of Newton ring:
a. Inspection distance: 30cm / Inspection time: 5 sec
b. Ambient illumination is to be 500-1000 Lux (Incandescent lamp)
c. Inspection should be performed unde r the condition that LCD screen could reflect the mirror image of
lamp.
d. The criteria of Newton ring’s ting es and measure of area must follow up the worst-case sample.
6.2 Display inspection
Inspection Defects Accept Level Level
Single Red+ Green+ Blue ≦ 3, S > 5mm. Minor
2 adjacent 0 Minor
Bright
Dots 3 or more
adjacent 0 Minor
Single Total Number ≦ 2, S > 5mm. Minor
Dark Dots2 adjacent 0 Minor
Dark or Bright lines 0 Minor
A
ll Allowable Dots DefectsTotal Number ≦ 3, S > 5mm. Minor
Electrical Characteristic
Defects
Shift and tilt of screen
viewed area The black edge around display area must
be detected by front view. Minor
Scratch 0.03 < W ≦ 0.1 (mm)
L ≦ 5 (mm), N ≦ 2 (mm) Minor
Lint (linear foreign
objects)
0.03 < W ≦ 0.1 (mm)
0.3 < L ≦ 3.0 (mm)
N ≦ 5 Minor
Spots 0.1 < D 0.3 (mm), N 4 ≦≦ Minor
Fish eye on film 0.1 < D 0.4 (mm), N ≦≦ 4 Minor
Breakage on film surface Not acceptable Minor
Foreign Scratch,
Objects or Lint
on power off
status
Total acceptable defect quantity ≦ 10 Minor