公开(公告)号：US20190285894A1

公开(公告)日：2019-09-19

申请号：US16189535

申请日：2018-11-13

Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenhong TIAN ,  Hao ZHANG ,  Lili CHEN ,  Zhanshan MA ,  Zhiyu SUN ,  Haoran JING

IPC: G02B27/01

Abstract: A device for adjusting a distance between lens tube assemblies, a head-mounted display device and a step-wise adjustment mechanism are provided. The device for adjusting the distance between the lens tube assemblies includes: a guide shaft configured to mount two lens tube assemblies, with the two lens tube assemblies slidable toward or away from each other; a pair of racks respectively arranged on the two lens tube assemblies; a pair of dial gears, each of which includes a gear portion engaged with the rack and a dial portion configured to drive the gear portion to rotate under an external force; and a pair of dial gear shafts configured to mount the pair of dial gears to a housing of a head-mounted display device where the two lens tube assemblies are located, with the dial gear rotatable relative to the dial gear shaft.

公开(公告)号：US20170308193A1

公开(公告)日：2017-10-26

申请号：US15511320

申请日：2016-04-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BOE (HEBEI) MOBILE DISPLAY TECHNOLOGY CO., LTD.

Inventor： Jianjie WU ,  Lili CHEN ,  Ruijun DONG ,  Chenru WANG ,  Guangquan WANG ,  Haiwei SUN

IPC: G06F3/041

CPC classification number: G06F3/041 ,  G06F2203/04102 ,  G06F2203/04103 ,  G06F2203/04107

Abstract: The embodiments of the present disclosure provide a touch screen and a fabricating method thereof, and a touch display device. The touch screen includes a touch sensor, a polymer film provided on the touch sensor, a λ/4 wave plate provided on the polymer film, and configured to cause a phase delay of light incident therein, so as to change a polarization state of the light, and a polarization film provided on the λ/4 wave plate, and configured to polarize light incident therein to generate polarized light.

公开(公告)号：US20170200847A1

公开(公告)日：2017-07-13

申请号：US15252713

申请日：2016-08-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Jianjie WU ,  Lili CHEN ,  Ruijun DONG ,  Chenru WANG ,  Wei SUN ,  Guangquan WANG

IPC: H01L31/054 ,  H01L31/12 ,  H01L31/046

CPC classification number: H01L31/0543 ,  H01L31/125 ,  Y02E10/52

Abstract: A photovoltaic device and display equipment are provided. The photovoltaic device includes at least one photoelectric conversion sheet and a light guide plate, the at least one photoelectric conversion sheet arranged at a light exiting face side of the light guide plate.