HTC SM-TP008-1125 service manual Display inspection, HTC Corporation, Sapphire Service Manual

Models: SM-TP008-1125

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5.2Display inspection

 

 

 

 

Doc. No.

DOC-00051810

REV.

 

 

 

HTC Corporation.

 

 

 

 

 

 

Issued Date

2008/12/29

AX02

 

 

.

 

 

 

 

 

 

Revised Date

2009/01/14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Doc. Title

Sapphire Service Manual

Page

59 of 91

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

¾D: Diameter / L: Length / W: Width / N: Number of defects/ S: Distance from dot to dot

¾Inspecting distance: 30 ± 5cm / Mechanical inspection angle90 degrees /

¾LCM inspection angle90±15 degrees / Inspection time:5 secs per surface.

¾Ambient illumination is to be 500-1100 lux

¾The 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.

5.2Display inspection

Inspection Defects

Accept Level

Level

 

Bright

Single

Red+ Green+ Blue 3, S > 5mm.

Minor

 

 

 

 

 

2 adjacent

0

Minor

 

Dots

3 or more

0

Minor

 

 

 

 

adjacent

 

 

 

 

Electrical Characteristic

Dark Dots

Single

Total Number 2, S > 5mm.

Minor

Defects

 

2 adjacent

0

Minor

 

Dark or Bright lines

0

Minor

 

All Allowable Dots Defects

Total Number 3, S > 5mm.

Minor

 

Shift and tilt of screen

The black edge around display area must

Minor

 

viewed area

be detected by front view.

 

 

Scratch

 

0.03 < W 0.1 (mm)

Minor

 

 

L 5 (mm), N 2 (mm)

 

 

 

 

Foreign Scratch,

Lint (linear foreign

0.03 < W 0.1 (mm)

 

0.3 < L 3.0 (mm)

Minor

Objects or Lint

objects)

 

 

N 5

 

on power off

 

 

 

Spots

 

0.1 < D 0.3 (mm), N 4

Minor

status

 

 

Fish eye on film

0.1 < D 0.4 (mm), N 4

Minor

 

Breakage on film surface

Not acceptable

Minor

 

Total acceptable defect quantity 10

Minor

HTC CONFIDENTIAL

SM-TP008-1125

Page 59
Image 59
HTC SM-TP008-1125 service manual Display inspection, HTC Corporation, Sapphire Service Manual