Htc corporation, 2 display inspection – HTC SAPPHIRE SM-TP008-1125 User Manual

Page 59

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2/10/2009 9:51:19 PM

HTCUSA-200015

Doc. No.

DOC-00051810 REV.

Issued Date 2008/12/29

.

Revised Date

2009/01/14

AX02

Doc. Title

Sapphire Service Manual

Page

59 of 91

HTC CONFIDENTIAL

SM-TP008-1125

HTC Corporation.

IT IS GENERIC COSMETIC INSPECTION CRITERIA 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 degrees /

¾

LCM inspection angle

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 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.

5.2 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

All 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

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