APPENDICES
APPENDIX B
LCD Handling
Ingestion and Injury Warning
LCD is composed of glass, liquid crystal, spacer dust and many other chemicals.
Should the display break, caution must be taken to avoid contact with liquid crystal.
When there is case of skin contact, wash immediately with soap & water and make
sure that there are no glass chips remaining on the skin. The liquid crystal may also
leak out, since liquid crystal is composed of over 20 different chemicals, avoid
ingestion of liquid crystal and glass particles.
Pixel Abnormalities (AQL)
Modern LCDs frequently have up to a few pixel abnormalities even as brand new,
and this is normal. Some years ago the industry, in a never ending drive to reduce
LCD costs, recognized that there could be an acceptable quality level (AQL), not
completely flawless parts but completely usable nonetheless. This allowed
manufacturing yield profile to go up during the LCD manufacture process and thus
lowered average unit cost (since the previously thought to be unusable LCDs were
discarded and considered an overall cost of business).
6-7 Preliminary Release
3/24/05