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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

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Quality Control

1.QC Flow Chart

2. Process Quality Control Standards

3. Key points of quality inspection

4. Reliability test

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