Boyle Fredrickson, S.C.
Light emitting device and display equipment
Embodiments of the present disclosure provide a light emitting device and display equipment. The light emitting device, includes a light emitting diode (LED) and an optical lens, the optical lens including a light incident surface and a light emergent surface, the light incident surface including a free-form convex surface; wherein there is a first angle between a symmetry axis and the connecting line between the center point of the light emitting surface and any point on the light incident surface, and the curvature of the light incident surface decreases with the increase of the first angle; there is a second angle between a symmetry axis and the connecting line between the center point of the light emitting surface and any point on the light emergent surface, and the curvature of the light emergent surface increases with the increase of the second angle.
Hisense Electric Co., Ltd. Hisense International Co., Ltd. Hisense USA Corporation
H G
H01L G02B
inventional inventional
Kun Fulin Xiaoping
Shao Li Li