Brooks Kushman P.C.
Display device and display method
A display device includes: an optical waveguide layer having a light-entering region and a light-exiting region; an optical element correspondingly arranged in the light-entering region and configured to emit at least two types of light beams having different image information, to transmit the at least two types of light beams to the light-entering region of the optical waveguide layer; at least two coupling gratings arranged on transmission paths of the at least two types of light beams in the optical waveguide layer, and configured to change a direction of each of the at least two types of light beams in the optical waveguide layer, to enable light beams in the at least two types of light beams in the optical waveguide layer to be transmitted to the light-exiting region, exit from the light-exiting region and be converged at at least one view point.
BOE TECHNOLOGY GROUP CO., LTD.
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Xiandong Jifeng Xianqin Pengxia Wei Xiaochuan Jian
Meng Tan Meng Liang Wang Chen Gao