This article introduces the working principle, optical properties and application of the TIR Fresnel lens in brief.

On October 13, 2020, the 25th Guangzhou International Lighting Exhibiton(hereinafter referred to as: 2020 Guangya Exhibi...

At this special moment, we have overcome the difficulities caused by COVID-19 epidemic, enthusiastically participated in...

The simple optical system simplifies the design and manufacture of later lighting appliances. This is exactly the case with this high-power LED beam optics.

多普商城现已开通，大家可以通过访问商城购买光学样品。

TOPLITE participated in the ISE2020 exhibition for the first time. We bring new optic devices to people.