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This article introduces the working principle, optical properties and application of the TIR Fresnel lens in brief.
2021-03-20
On October 13, 2020, the 25th Guangzhou International Lighting Exhibiton(hereinafter referred to as: 2020 Guangya Exhibi...
2020-10-22
At this special moment, we have overcome the difficulities caused by COVID-19 epidemic, enthusiastically participated in...
2020-08-28
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.
2020-06-01
多普商城现已开通,大家可以通过访问商城购买光学样品。
2020-05-14
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