Quality Control

Product quality is the lifeline of an enterprise and is related to its survival and development. As a professional Lcd/Lcm manufacturer and supplier, Chenghao Optoelectronic has passed the ISO9001, ISO14001 certification of TUV and BV, has a complete quality management system, and complies with ROHS and other environmental rules in the global market.


1.QC Flow Chart

(1) Incoming inspection - IQC


(2) Process Quality Control - PQC & LQC
Check at least 5 pieces for the first time

In-process quality control every 5 hours


(3) Finished product inspection - OQC

     Electrical performance and visual inspection


(4) Product Tracking System


(5) Reliability test
     Extreme Temperature and Humidity Testing
     Salt spray test
     Impact Test

 

2. Process Quality Control Standards

     Comply with ROHS/REACH regulations
     In-process quality control of semi-finished and finished products
     Test equipment and environment
     Anti-static production
     Tidy up the room
     X-ray examination

3. Key points of quality inspection

     Contrast
     Reaction speed
     Color dots
     Black/white dots
     Crease
     Newton ring
     Backlight brightness
     Uniformity of backlight

4. Reliability test

     High temperature and high humidity test
     Vibration test
     ESD test
     Stretching test
     Adhesion test
     Brightness test