US 11,947,181 B2
Focusing assembly and head-mounted display device
Yuhong Liu, Beijing (CN); Zhanshan Ma, Beijing (CN); Haoran Jing, Beijing (CN); Zheng Ge, Beijing (CN); Zhiyu Sun, Beijing (CN); Jinbao Peng, Beijing (CN); Hao Zhang, Beijing (CN); Wenhong Tian, Beijing (CN); and Lili Chen, Beijing (CN)
Assigned to BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/263,578
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Apr. 17, 2020, PCT No. PCT/CN2020/085328
§ 371(c)(1), (2) Date Jan. 27, 2021,
PCT Pub. No. WO2021/208073, PCT Pub. Date Oct. 21, 2021.
Prior Publication US 2022/0113490 A1, Apr. 14, 2022
Int. Cl. G02B 7/04 (2021.01); G02B 7/02 (2021.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01)
CPC G02B 7/04 (2013.01) [G02B 7/026 (2013.01); G02B 27/0006 (2013.01); G02B 27/0172 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A focusing assembly, comprising: a focusing barrel and a barrel retaining ring,
wherein the focusing barrel comprises a first sleeve, a second sleeve, and a third sleeve that are sequentially sleeved from inside to outside of the focusing barrel;
wherein the first sleeve is provided with a lens mounting portion configured to mount a focusing lens, a first end of the second sleeve is provided with a display screen mounting portion configured to mount a display screen, and a second end of the second sleeve is detachably connected to the barrel retaining ring, the first end and the second end being two opposite ends of the second sleeve; and
wherein the lens mounting portion and the display screen mounting portion are configured such that relative positions thereof in a focusing direction of the focusing assembly is adjustable.