Datasheet
DEM 16227 SYH-LY Product Specification
VERSION: 2 PAGE: 12
13. LCM TEST CRITERIA
1.Objective
The LCM test criteria are set to formalize DISPLAY’s LCM quality standards with reference
to those of the customer for inspection, release and acceptance of finished LCM products in
order to guarantee the quality required by the customer.
2.Scope
The criteria are applicable to all the LCM products manufactured by DISPLAY.
3.Equipments for Inspection
Electrical testing machines, vernier calipers, ampere meter, multi-meter, microscopes, anti-static
wrist straps, finger cots, labels, tri-phase thermal shock chamber, constant temperature and
humidity chamber, high-low temperature experimenting box, refrigerators, constant voltage power
supply (DC) , desk Lamps, etc.
4.Sampling Plan and Reference Standards
4.1.1 Sampling plan:
Refer to National Standard GB/T2828.1-2012/ISO2859-1:1999,level II of normal levels:
4.1.2 GB/T 2828.1---2012/ISO2859-1:1999 Sampling check procedure in count.
4.1.3 GB/T 18910 Standard for LCM parts.
4.1.4 GB/T24213-2008 Basic Environmental Test Procedures for Electrical and Electronic Products.
。
4.1.5 IPC-A-610E Acceptability of Electronic Assemblies
5.Inspection Conditions and Inspection Reference
5.1 Cosmetic inspection: shall be done normally at 23±5°C of the ambient temperature and
45~75%RH of relative humidity, under the ambient luminance between 500lux~1000lux and
at the distance of 30cm apart between the inspector’s eyes and the LCD panel and normally
in reflected light. For backlight LCMs, cosmetic inspection shall be done under the ambient
luminance less than 100lux with the backlight on.
Product
Category
Consumer Electronics
Non-consumer
Electronics
Industrial Automobile
AQL MA=0.4 MI=1.5 MA=0.4 MI=1.0 MA=0.25 MI=0.65 MA=0.15MI=0.40










