China Zhuhai Tianhui Electronic Co., Ltd. e thehiloe ka 2002. Motlakase oa Tianhui o 'nile oa kenya letsoho ka har'a sephutheloana sa UV LED se nang le lihlopha tse feletseng tsa tlhahiso le boleng bo tsitsitseng le ho tšepahala hammoho le litheko tsa tlhōlisano. Lihlahisoa li kenyelletsa UVA, UVB, UVC ho tloha ho bolelele bo bokhutšoane ho isa ho bolelele bo bolelele le litlhaloso tse felletseng tsa UV LED ho tloha matleng a manyane ho isa matla a phahameng.