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 ........................................................................................

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