Calfee, Halter & Griswold LLP
Backlight module comprising a plurality of light extraction gratings arranged in an array on a light emission surface of a light guide plate and liquid crystal display using the same
The present disclosure provides a backlight module and a liquid crystal display using the same. The backlight module includes a light guide plate, a light source and a plurality of light extraction gratings. The light source is disposed at an end of the light guide plate. A plurality of light extraction gratings are disposed on a light emission surface of the light guide plate, and are arranged in an array. The plurality of light extraction gratings are divided into a plurality of regions arranged at equal intervals in a direction from the end of the light guide plate near the light source to another end of the light guide plate away from the of the light source, a gap between adjacent columns of two adjacent regions is a+b, where a is a gap between adjacent columns in the same region and b is a width of one light extraction grating.
BOE TECHNOLOGY GROUP CO., LTD.
G G G G G G G G G G G G G G
G02B G02B G02B G02B G02F G02F G02B G02B G02F G02B G02F G02B G02B G02B
inventional inventional inventional inventional inventional inventional additional inventional inventional inventional additional inventional inventional inventional
Wei Xiandong Jian Xiaochuan Jifeng Wenqing
Wang Meng Gao Chen Tan Zhao