Head-mounted display device and communication command system

Patent metadata

Field	Value
Publication number	US-2026016698-A1
Application number	US-202418995262-A
Country	US
Kind code	A1
Filing date	Feb 6, 2024
Priority date	Mar 23, 2023
Publication date	Jan 15, 2026
Grant date	—

Abstract

The present disclosure relates to a head-mounted display device, including: a head-mounted display portion, and a control portion in signal connection with the head-mounted display portion; the control portion includes a main battery, an auxiliary battery, and a switching circuit module connected to the main and auxiliary batteries. The switching circuit module is used for power supply switching between the main battery and the auxiliary battery, and includes a first trigger connector and a second trigger connector having a first state and a second state; in the first state, the first trigger connector and the second trigger connector are in an off-state, the main battery supplies power; in the second state, the first trigger connector and the second trigger connector are in an on-state to trigger a switching signal to switch to the auxiliary battery for power supply. The present disclosure further relates to a communication command system.

First claim

1 . A head-mounted display device, comprising: a head-mounted display portion and a control portion connected to the head-mounted display portion by signal;
wherein the control portion includes a main battery, an auxiliary battery, and a switching circuit module connected to the main battery and the auxiliary battery; and the switching circuit module is used to switch power supply between the main battery and the auxiliary battery; the switching circuit module includes a first trigger connector and a second trigger connector having a first state and a second state; in the first state, the first trigger connector and the second trigger connector are in an off-state, and the main battery supplies power; in the second state, the first trigger connector and the second trigger connector are in an on-state to trigger a switching signal to switch to the auxiliary battery for power supply.

2 . The device according to claim 1 , wherein the switching circuit module includes an execution module, the first trigger connector and the second trigger connector; the main battery and the auxiliary battery are electrically connected to a power supply module of the control portion through the execution module to power the control module, and the first trigger connector is connected to the power supply module of the control portion;
in the second state, the second trigger connector is electrically connected with the first trigger connector to trigger a switching signal for switching the power supply from the main battery to the auxiliary battery; according to the switching signal, the power supply module sends a command to the execution module to perform power switching.

3 . The device according to claim 2 , wherein the control portion includes a main housing for accommodating the control module and a battery compartment housing for accommodating the main battery and the auxiliary battery;
the switching circuit module includes a switching circuit board, and the execution module is integrated on the switching circuit board; the first trigger connector includes an anti-foolproof switch, and the anti-foolproof switch is arranged in the main housing; the second trigger connector includes a battery block and a conductive metal sheet; the battery block is movably connected to a through hole of a side wall of the battery compartment housing on a side close to the main housing; the conductive metal sheet is arranged on a side of the battery block close to the main housing; under action of external force, the battery block moves toward a direction close to the anti-foolproof switch, thereby enabling the conductive metal sheet to be electrically connected to the anti-foolproof switch to trigger the switching signal that switches the power supply from the main battery to the auxiliary battery.

4 . The device according to claim 3 , wherein the second trigger connector further includes a reset spring; the battery block is elastically connected to the main housing through the reset spring, and part of the battery block extends through the through hole in the battery compartment housing and is accommodated in the battery compartment housing; an orthographic projection of the conductive metal sheet onto the main housing at least partially covers the anti-foolproof switch.

5 . The device according to claim 3 , wherein the battery compartment housing includes a first shell and a first cover plate that are engaged with each other to form a battery compartment; the main battery and the auxiliary battery are arranged in the battery compartment along a first direction;
the through hole is defined in the first cover plate; in the first direction, the battery block is arranged on a side of the main battery away from the auxiliary battery.

6 . The device according to claim 5 , wherein in a second direction perpendicular to the first direction, the first cover plate has two opposite side edges, at least one of the side edges is provided with a reinforcing plate, and the reinforcing plate is arranged perpendicular to the first cover plate.

7 . The device according to claim 5 , wherein the first shell includes a first sub-shell and a second sub-shell; the first sub-shell is fixedly connected to the first cover plate; the second sub-shell is movably connected to the first sub-shell and the first cover plate.

8 . The device according to claim 3 , wherein the main housing includes a second shell and a second cover plate that are engaged with each other to form a receiving cavity; the control module is integrated on a main circuit board accommodated in the receiving cavity;
a side wall of the second shell is provided with a plug interface for connecting to a signal connection line of the head-mounted display portion; and/or, the side wall is provided with a volume button, a power switch button and a subscriber identification module (SIM) card installation slot; and/or, a touch area is provided on an operation surface of the second shell away from the second cover plate; and/or, the side wall or the operation surface is provided with an operation indicator light; and/or, the side wall or the operation surface is provided with function selection buttons.

9 . The device according to claim 1 , wherein the head-mounted display portion includes a head-mounted bracket, a display module and a camera module located in the head-mounted bracket;
the head-mounted bracket includes a glasses frame, two glasses arms, and a webbing connected between ends of the two glasses arms away from the glasses frame.

10 . The device according to claim 9 , wherein the camera module includes:
a camera with an RGB camera mode and an IR camera mode; an illumination sensor for detecting external ambient light intensity; a processor used to select corresponding RGB camera mode or IR camera mode according to a light intensity detected by the illumination sensor.

11 . The device according to claim 10 , wherein the camera module further includes:
an infrared fill light for performing infrared fill light in the IR camera mode.

12 . The device according to claim 9 , wherein the head-mounted display portion further includes a diffraction light waveguide arranged in a light-emitting layer of the display module to form a viewpoint entering the pupil of the human eye, and the diffraction light waveguide is arranged in the glasses frame.

13 . The device according to claim 12 , wherein the head-mounted display portion further includes a photochromic lens; the photochromic lens is arranged on a side of the diffraction optical waveguide away from the display module; the photochromic lens includes a first transparent conductive layer, an electrochromic material and a second transparent conductive layer stacked on each other; light transmittance of the electrochromic material changes with changing of a voltage applied to the first conductive layer and the second conductive layer.

14 . The device according to claim 9 , wherein the two glasses arms include a first glasses arm and a second glasses arm; a main driving board is arranged in the first glasses arm; the main driving board is connected to the control portion through a signal connection line; the main driving board is connected to a camera driving board of the camera module through a first adapter circuit board; the camera driving board is arranged in the second glasses arm; the main driving board is connected to a display drive board of the display module through a second adapter circuit board;
the eyeglass frame includes a first sub-frame and a second sub-frame stacked in a light emitting direction of the display module; the first sub-frame and the sec

Assignees

• Boe Technology Group Co Ltd

Inventors

• Quan Xudong
• Chen Lili
• Jing Haoran
• Ge Zheng
• Zheng Chao
• Gao Feng
• Du Weihua
• Zi Feng
• Yao Chaoquan

Classifications

• H02J9/06

  with automatic change-over {, e.g. UPS systems} · CPC title

• G02B2027/0178

  Eyeglass type (eyeglass details G02C) · CPC title

• G02B2027/0163

  Electric or electronic control thereof · CPC title

• G02B2027/0156

  with optionally usable elements · CPC title

• G02B2027/0152

  involving arrangement aiming to get lighter or better balanced devices · CPC title