US 12,007,566 B2
Head-mounted display apparatus and optical display system
Tao Zhan, Orlando, FL (US); Junyu Zou, Orlando, FL (US); Shin-Tson Wu, Orlando, FL (US); Sheng Liu, Santa Clara, CA (US); and Jilin Yang, Santa Clara, CA (US)
Assigned to University of Central Florida Research Foundation, Inc., Orlando, FL (US); and Goertek Inc, Shandong (CN)
Appl. No. 17/265,457
Filed by University of Central Florida Research Foundation, Inc., Orlando, FL (US); and Goertek Inc., Shandong (CN)
PCT Filed Aug. 5, 2020, PCT No. PCT/CN2020/107058
§ 371(c)(1), (2) Date Feb. 2, 2021,
PCT Pub. No. WO2021/023212, PCT Pub. Date Feb. 11, 2021.
Claims priority of provisional application 62/882,650, filed on Aug. 5, 2019.
Prior Publication US 2022/0299766 A1, Sep. 22, 2022
Int. Cl. G02B 27/01 (2006.01); G02B 5/30 (2006.01); G02B 27/28 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 5/3025 (2013.01); G02B 27/286 (2013.01); G02B 2027/0116 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A head-mounted display apparatus, comprising:
a display assembly, adapted to output light of an image;
a lens assembly, positioned in front of the display assembly and adapted to enlarge the image and produce a first aberration of a first direction; and
a planar optical assembly, positioned between the display assembly and the lens assembly,
wherein the planar optical assembly is adapted to produce a second aberration of a second direction opposite to the first direction to correct the first aberration,
wherein the display assembly comprises: a display component; and a first circular polarizer, adapted to convert light from the display component into circular polarized light,
wherein the planar optical assembly includes: polarization-dependent planar optics adapted to receive one or more of a right-handed or left-handed circular polarized light and convert at least a portion thereof into oppositely circular polarized light and leak any remaining light; and a polarization blocker, adapted to block the leaked light, and
wherein the polarization blocker is a second circular polarizer, and the second circular polarizer blocks the leaked light with original handedness and passes the opposite handedness light.