According to TrendForce's Optoelectronics Research Office, the price of some LED lighting chip products has started to rise since November in mainland China, and the overall increase is about 10% to 20%. 

Attributable to the gradual withdrawal of some LED chip manufacturers from the low-end and medium-end LED chip market due to the coronavirus, resulting in a reduction in the supply of products with certain specifications, coupled with the decline in terminal inventory and the recovery of international market demand.