US 12,405,468 B2
VR equipment
Yi-Wei Liu, Guangzhou (CN); Ying Liu, Guangzhou (CN); and Tsung-Kai Chang, Guangzhou (CN)
Assigned to GUANGZHOU LUXVISIONS INNOVATION TECHNOLOGY LIMITED, Guangzhou (CN)
Filed by GUANGZHOU LUXVISIONS INNOVATION TECHNOLOGY LIMITED, Guangzhou (CN)
Filed on Mar. 15, 2023, as Appl. No. 18/184,653.
Claims priority of application No. 202211500180.0 (CN), filed on Nov. 28, 2022.
Prior Publication US 2024/0176145 A1, May 30, 2024
Int. Cl. G02B 27/01 (2006.01); G02B 13/00 (2006.01); G02B 27/00 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 13/004 (2013.01); G02B 27/0093 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A VR equipment, comprising:
a casing, and an optical module, an eye movement module, and a display module located inside the casing;
the optical module comprises a lens barrel and a first lens, a second lens, a third lens, and a fourth lens located in the lens barrel and arranged in sequence from an object plane to an image plane along an optical axis;
the eye movement module is located between the first lens and the second lens; the eye movement module is provided with a light-emitting unit and a receiving unit, and the light-emitting unit emits a detection light to human eyes and then the detection light is reflected, and after the reflected detection light passes through an object side surface and an image side surface of the first lens, the reflected detection light is reflected at an object side surface of the second lens and then enters the receiving unit;
the display module is located at an image side surface of the fourth lens, and the display module is configured to display an image.