HP w19 19-inch manual Defects in LCD Monitors

Page 1

Understanding pixel

 

defects in LCD

 

monitors

 

Bob Myers

 

Displays Business Unit

 

Last revised: July 1, 2009

 

Introduction

2

Executive summary

2

Understanding TFT-LCD technology

3

How LCDs work

3

Why TFTs?

3

Understanding pixel defects

4

How pixel defects occur

4

How to spot a sub-pixel defect

5

HP pixel-defect standards

5

HP specifications

5

International standards (ISO-9241)

6

Defect type definitions

8

The HP advantage

9

HP quality and reliability

9

Designed with the environment in mind

9

HP service and support

10

For more information

11

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Contents Defects in LCD Monitors Executive summary IntroductionUnderstanding TFT-LCD technology Why TFTs?How LCDs work How pixel defects occur Understanding pixel defectsHP specifications How to spot a sub-pixel defectHP pixel-defect standards International standards ISO-9241 Pixel fault definitions Defect type definitions HP quality and reliability HP advantageDesigned with the environment in mind HP service and support For more information