Display Inspection - HTC Athena Service Manual

Doc. Title
Description
D: Diameter / L: Length / W: Width / N: Number of defects/ S: Distance from dot to dot
Inspecting distance: 30 ¡À 5cm / Mechanical inspection angle: 90 degrees /
LCM inspection angle: 90¡À 15 degrees / Inspection time: 5 secs per surface.
Ambient illumination is to be 500-1100 lux
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 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.

2.2 Display inspection

Inspection Defects
Bright Dots
Electrical
Dark Dots
Characteristic
Defects
Dark or Bright lines
All Allowable Dots Defects
Shift and tilt of screen viewed area
Scratch
Foreign Scratch,
Lint (linear foreign objects)
Objects or Lint
on power off
Spots
status
Fish eye on film
Breakage on film surface
Total acceptable defect quantity ≦ 10
HTC CONFIDENTIAL
宏達國際電子股份有限公司
High Tech Computer, Corp.
.
Athena Service Manual
Single
2 adjacent
3 or more adjacent
Single
2 adjacent
Doc. No.
Issued Date
Revised Date
Page
Accept Level
Red+ Green+ Blue ≦ 3, S > 5mm.
0
0
Total Number ≦ 2, S > 5mm.
0
0
Total Number ≦ 3, S > 5mm.
The black edge around display area must be
detected by front view.
0.03 < W ≦ 0.1 (mm)
L ≦ 5 (mm), N ≦ 2 (mm)
0.03 < W ≦ 0.1 (mm)
0.3 < L ≦ 3.0 (mm)
N ≦ 5
0.1 < D ≦ 0.3 (mm), N ≦ 4
0.1 < D ≦ 0.4 (mm), N ≦ 4
Not acceptable
REV.
DOC-00026040
2007/2/15
A02
24 of 102
Level
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Minor