The Hong Kong International Lighting Fair (spring edition) just ended on a good note. LED lighting companies seized the opportunity to market their products and reach out to potential partners and customers in hope to expand their market presence, especially in Asia, and bring more revenue to their businesses for the first half of 2019. Meanwhile, their competitions between one another are under heavy fire. In particular, LED filament patent war continues to be fierce. (Image: Liquidleds) In the mid-2018, LED lighting company K-Lite Electric, after being caught ...