First, LED package short baked from the mold after long baking color.
Reason: 1, the stack is too dense stacking, poor ventilation.
2, the local temperature is too high oven.
3, there are other color pollution in the oven.
To solve: improve ventilation. Remove the color, confirm the actual temperature inside the oven
Second, LED stent climbing plastic.
Reason: 1, stent surface uneven produce capillary phenomenon. 2, AB glue contains volatile materials.
Solution: Please contact the supplier
Third, easy to mold release.
Reason: AB glue problem or glue is not up to curing hardness.
Solution: Contact the supplier to confirm the curing temperature and time. LED bubble problem
