公开(公告)号：US20240385458A1

公开(公告)日：2024-11-21

申请号：US18666285

申请日：2024-05-16

Applicant: Beijing Zitiao Network Technology Co., Ltd.

Inventor： Xiaokai LI ,  Xin LI ,  Shuai DONG ,  Yao TIAN

IPC: G02B27/01 ,  G02B27/00 ,  G06F3/01

Abstract: A head-mounted display device and a control method thereof, and a computer-readable storage medium are provided. The head-mounted display device includes a display screen and a lens component, and the control method of the head-mounted display device includes: determining gaze directions of both eyes of a user; determining a gaze focus according to the gaze directions of the both eyes; and adjusting positions of the display screen and the lens component according to the gaze focus, so that the gaze focus is located at an image plane position of a virtual image formed by the lens component from an image displayed by the display screen.

公开(公告)号：US20250102854A1

公开(公告)日：2025-03-27

申请号：US18891670

申请日：2024-09-20

Applicant: Beijing Zitiao Network Technology Co., Ltd.

Inventor： Xin LI ,  Ling FU ,  Shuai DONG ,  Xiaokai LI

IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/137 ,  G06F3/01

Abstract: An optical system and a display apparatus are provided. The optical system includes: a lens component, a polarized reflection layer, a transflective film, and a phase retardation film; a distance between two intersection points where the first surface and the second surface intersect with the optical axis is a first distance, a distance between two intersection points where the third surface and the fourth surface intersect with the optical axis is a second distance, and a distance between two intersection points of the fifth surface and the sixth surface intersect with the optical axis is a third distance; a ratio of an absolute value of a curvature radius of the fourth surface to an absolute value of a curvature radius of the third surface is 0.8 to 1, the second distance is greater than the first distance, and the second distance is greater than the third distance.

公开(公告)号：US20250085523A1

公开(公告)日：2025-03-13

申请号：US18572129

申请日：2023-11-22

Applicant: Beijing Zitiao Network Technology Co., Ltd.

Inventor： Shuai DONG ,  Xin LI ,  Xiaokai LI ,  Zhao ZHANG

IPC: G02B17/08

Abstract: An optical structure and a display device are provided. The optical structure includes a first lens and a transflective film. The first lens includes a first surface and a second surface, the first surface and the second surface are non-planar surfaces; the transflective film is located at a side of the first surface away from the second surface. The optical structure further includes a light-transmitting flat plate assembly located at a side of the second surface away from the first surface, and the light-transmitting flat plate assembly includes a light-transmitting flat plate, a phase retardation film and a polarizing reflective film, the polarizing reflective film is located at a side of the phase retardation film away from the first lens, and the phase retardation film and the polarizing reflective film are located on a flat plate surface of the light-transmitting flat plate or inside the light-transmitting flat plate.