Patent ID: 11933983
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A lens barrel of a virtual reality display device, comprising: a lens barrel housing, a display screen, and a lens;
an inner side of an opening portion of the lens barrel housing comprising a lens holder, the display screen being mounted at a bottom of the lens barrel housing, the lens being mounted on one side of the lens holder close to the opening portion of the lens barrel housing, and the display screen being parallel to the lens;
a fill layer being provided between the lens and the lens holder, and the lens, the fill layer, and the lens holder being adhered together consecutively; and
a thickness of the fill layer being a difference between a first distance and a target distance, the target distance being a predefined back focus length of the lens barrel and the first distance being a distance between a surface of the lens holder close to the opening portion of the lens barrel and the display screen.