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公开(公告)号:US10928576B2
公开(公告)日:2021-02-23
申请号:US16167410
申请日:2018-10-22
发明人: Sun Young Hong , Dong Hee Lee , Baek Hee Lee
摘要: An optical member including a light guide plate, a low refractive layer disposed on the light guide plate and having a refractive index less than that of the light guide plate, a low refractive underlying layer disposed between the low refractive layer and the light guide plate and having a thickness less than that of the low refractive layer, and a wavelength conversion layer disposed on the low refractive layer.