US 12,078,808 B2
Augmented reality display apparatus and augmented reality display device comprising same
Bing Xiao, Beijing (CN)
Assigned to MATRIXED REALITY TECHNOLOGY CO., LTD., Wuxi (CN)
Appl. No. 18/003,336
Filed by MATRIXED REALITY TECHNOLOGY CO., LTD., Wuxi (CN)
PCT Filed Jul. 22, 2021, PCT No. PCT/CN2021/107809
§ 371(c)(1), (2) Date Dec. 26, 2022,
PCT Pub. No. WO2022/017445, PCT Pub. Date Jan. 27, 2022.
Claims priority of application No. 202010722830.0 (CN), filed on Jul. 24, 2020.
Prior Publication US 2023/0266591 A1, Aug. 24, 2023
Int. Cl. G02B 27/01 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 2027/0127 (2013.01); G02B 2027/0185 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An augmented reality display apparatus, comprising:
a display system configured to display a target image;
a depth acquisition assembly configured to acquire depth position information of a target object, the target object comprising at least one of human eyes, the target image, and a real environment within a field of view of human eyes, the depth position information of the target object comprising at least one of position information of a depth plane at a gaze position of human eyes, position information of a depth plane where the target image is to be displayed, and position information of a depth plane of the real environment;
a processor fixedly connected to the display system, the processor being configured to determine displacement information of the display system based on the depth position information of the target object acquired by the depth acquisition assembly;
a spectacle frame connected to the display system and the depth acquisition assembly; and
a lifter fixedly connected to the spectacle frame, the lifter being connected to the processor by a cable, a driver in the lifter being fixedly connected to the display system, the lifter being configured to drive the display system to move to a target position relative to the spectacle frame based on the displacement information determined by the processor, the target position being a final arrival position of the display system indicated by the displacement information,
wherein the driver comprises a cam, the cam is connected to a back side of the display system by a miniature support, has a surface in slide fit with the back side of the display system, and drives the display system to displace by rotating about a central axis of rotation of the cam,
wherein the driver comprises a voice coil motor coupled to the processor and configured to finely adjusts a position of the display system at a high speed to correct an error of displacement when the display system moves to a vicinity of the target position, the processor being configured to acquire a position or displacement distance of the display system, calculate a distance between the display system and the target position, and send the same to the voice coil motor.