Patent ID: 11960085
Assignee: CORETRONIC CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC F  G

Claim 13:
14. The head mounted display device of claim 13, wherein the second waveguide has a first optical region and a second optical region, wherein the first optical region is located between the light incidence surface and the second optical region, the first zigzag-shaped structure, the second zigzag-shaped structure and the second optical micro structures are located in the second optical region, and the second waveguide further comprises:
a light guide film, the light guide film being located on a light guide surface inside the second waveguide, the light guide surface being located in the first optical region and parallel to the first surface of the second plate, wherein the light guide film is configured to allow the part of the image beam from the first waveguide to pass through and reflect the other part of the image beam from the first waveguide, and the part of the image beam from the first waveguide passed through the light guide film is transmitted in the second waveguide in a manner of total reflection.