DIRECT-LIT TYPE BACKLIGHT SOURCE AND LIQUID CRYSTAL TELEVISION
A direct-lit type backlight source includes a backplate and a point light source array disposed on the backplate. A light output shape of a first optical lens employed by each of point light sources of corner regions of the point light source array and that of a second optical lens employed by each of a plurality of point light sources of the non-corner region are different. For instance, the light output shape of the first optical lens is symmetrical in a first direction and asymmetrical in a vertical second direction. Moreover, a liquid crystal television adopting the direct-lit type backlight source is provided.
Ccan improve optical uniformity of the corners.
Lighting
2016-12-25
US15/390508
G02F1/1335
背光模组
