HTC Rev. A05 HTC Corporation , 6.2 Display inspection ,

6/30/2008 2:31:32 PM
Doc. No. DOC-00040624 REV.
Issued Date 2008/4/14
. Revised Date 2008/6/23 A05
Doc. Title Diamond Service Manual Page 80 of 109
HTC CONFIDENTIAL
SM-TP001-0704
HTC Corporation
a. Inspection distance: 30cm / Inspection time: 5 sec
b. Ambient illumination is to be 500-1000 Lux (Incandescent lamp)
c. Inspection should be performed under the condition that LCD screen could reflect the mirror image of lamp.
d. The criteria of Newton ring's tinges 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 Dots 2 adjacent 0 Minor
Dark or Bright lines 0 Minor
A
ll Allowable Dots Defects Total 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