Abstract: An object distance adjusting apparatus includes: an object distance adjusting portion, for fixing an optical device and adjusting a position of the optical device relative to an object image display portion; a limiting portion, for fixing the object image display portion and limiting a limit position of the object distance adjusting portion relative to the object image display portion; and a connecting and fixing portion, which is on a side of the limiting portion away from the object distance adjusting portion and is connected to the object distance adjusting portion, for fixing the limiting portion, the optical device and the object image display portion. Virtual display glasses include an optical device, an object image display portion, and the object distance adjusting apparatus, which can fix the optical device and the object image display portion, and adjust the position of the optical device relative to the object image display portion.

Abstract: A head-mounted display device, comprising a holder, a lens barrel assembly provided on the holder, and an adjusting device. The lens barrel assembly comprises a lens barrel, a display module provided in the lens barrel, and an optical lens group provided at one end of the lens barrel, wherein the optical lens group comprises at least one optical lens. The adjusting device comprises a driving device provided on the holder, a support provided in the lens barrel and fixedly connected to the display module, and a transmission device. The transmission device is configured to be capable of driving the support to do a reciprocating linear motion under a driving of the driving device, so that the display module is close to or away from the optical lens group.

Abstract: An imaging adjustment apparatus (10) and method, a wearable device and a storage medium are provided. The imaging adjustment apparatus (10) includes a light-emitting device (101), a photoelectric conversion device (102), a control apparatus (103) and a drive apparatus (104), wherein the light-emitting device (101) is configured to emit first light, such that the first light irradiates eyes of a user; the photoelectric conversion device (102) is configured to perform photoelectric conversion on the basis of second light reflected by the eyes of the user to generate an electrical signal, and provide the generated electrical signal to the control apparatus (103); the control apparatus (103) is configured to determine the state of the eyes of the user on the basis of the electrical signal, and control, according to the state of the eyes of the user.

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.

Abstract: An adaptive control device includes one or more processors; one or more sensors coupled to the one or more processors; and one or more power sources coupled to the one or more processors. The one or more power sources are coupled to a display panel. The one or more sensors include a plurality of photosensors configured to detect ambient light intensities at a plurality of sampling orientations with respect to one or more view zones, respectively; and one or more position sensors configured to detect a reference angular position of the adaptive control device. The one or more processors are configured to determine a true orientation from which ambient light intensity signals are detected at a respective time point based on information on the plurality of sampling orientations with respect to one or more view zones, respectively, and the reference angular position of the adaptive control device.

Abstract: The present disclosure provides a control system including: a module-group drive state monitor, a module-group drive controller and a module-group drive state regulator. The module-group drive state monitor is configured to obtain drive state parameters of a display module-group, wherein the drive state parameters reflect a drive state of the display module-group. The module-group drive controller is configured to: determine a current drive state of the display module-group based on the drive state parameters, and select a drive strategy for the display module-group based on the current drive state. The module-group drive state regulator is configured to: drive the display module-group based on the drive strategy that is selected. The present disclosure also relates to a control method that can be applied to the control system, and to a device that can perform the control method.

Abstract: A head-mounted display device is provided, which relates to a field of display device technology. The device includes: a display unit used to display a picture; a connection unit used to position the display unit in front of at least one eye of a user after the head-mounted display device is worn on a head of the user; a rotating shaft unit includes at least a first segment, a second segment, and a first adjusting member connecting the first segment and the second segment, where the first segment is connected to the connection unit, and the first adjusting member is used to change a relative position of the first segment and the second segment when the first adjusting member is subjected to an external force, so that the second segment drives the display unit to move to achieve a pupil distance adjustment.

Abstract: An adaptive control device includes one or more processors; one or more sensors coupled to the one or more processors; and one or more power sources coupled to the one or more processors. The one or more power sources are coupled to a display panel. The one or more sensors include a plurality of photosensors configured to detect ambient light intensities at a plurality of sampling orientations with respect to one or more view zones, respectively; and one or more position sensors configured to detect a reference angular position of the adaptive control device. The one or more processors are configured to determine a true orientation from which ambient light intensity signals are detected at a respective time point based on information on the plurality of sampling orientations with respect to one or more view zones, respectively, and the reference angular position of the adaptive control device.

Abstract: The present disclosure provides a control system including: a module-group drive state monitor, a module-group drive controller and a module-group drive state regulator. The module-group drive state monitor is configured to obtain drive state parameters of a display module-group, wherein the drive state parameters reflect a drive state of the display module-group. The module-group drive controller is configured to: determine a current drive state of the display module-group based on the drive state parameters, and select a drive strategy for the display module-group based on the current drive state. The module-group drive state regulator is configured to: drive the display module-group based on the drive strategy that is selected. The present disclosure also relates to a control method that can be applied to the control system, and to a device that can perform the control method.

Abstract: A head-mounted display device is provided, which relates to a field of display device technology. The device includes: a display unit used to display a picture; a connection unit used to position the display unit in front of at least one eye of a user after the head-mounted display device is worn on a head of the user; a rotating shaft unit includes at least a first segment, a second segment, and a first adjusting member connecting the first segment and the second segment, where the first segment is connected to the connection unit, and the first adjusting member is used to change a relative position of the first segment and the second segment when the first adjusting member is subjected to an external force, so that the second segment drives the display unit to move to achieve a pupil distance adjustment.

Abstract: Provided are a projection assembly, a display system and a vehicle. The projection assembly is applied to the vehicle, and the projection assembly includes: a housing, a bottom cover, a display module, a heat dissipation assembly and an imaging lens. The housing is connected with the bottom cover, and the housing and the bottom cover form an accommodating space, the heat dissipation assembly, the display module and the imaging lens are all disposed in the accommodating space, and the display module is disposed on the heat dissipation assembly; and the imaging lens includes a lens barrel and a lens assembly, the lens barrel is disposed on the heat dissipation assembly, the lens assembly is disposed in the lens barrel, and the lens barrel surrounds the display module, the display module faces the lens assembly, the housing is provided with an opening, and the lens assembly faces the opening.

Abstract: The present disclosure relates to a display device, a door body and a cabinet body. The display device includes: an information collecting assembly configured to collect environment information; a communication module configured to perform wireless-communication linking to an Internet-of-Things device, to transmit the environment information to the Internet-of-Things device, and receive multimedia information sent by the Internet-of-Things device; and a display module configured to display the multimedia information, wherein the multimedia information includes audio-video advertisement information.

Abstract: An object distance adjusting apparatus includes: an object distance adjusting portion, for fixing an optical device and adjusting a position of the optical device relative to an object image display portion; a limiting portion, for fixing the object image display portion and limiting a limit position of the object distance adjusting portion relative to the object image display portion; and a connecting and fixing portion, which is on a side of the limiting portion away from the object distance adjusting portion and is connected to the object distance adjusting portion, for fixing the limiting portion, the optical device and the object image display portion. Virtual display glasses include an optical device, an object image display portion, and the object distance adjusting apparatus, which can fix the optical device and the object image display portion, and adjust the position of the optical device relative to the object image display portion.

Abstract: Provided are a projection assembly, a display system and a vehicle. The projection assembly is applied to the vehicle, and the projection assembly includes: a housing, a bottom cover, a display module, a heat dissipation assembly and an imaging lens. The housing is connected with the bottom cover, and the housing and the bottom cover form an accommodating space, the heat dissipation assembly, the display module and the imaging lens are all disposed in the accommodating space, and the display module is disposed on the heat dissipation assembly; and the imaging lens includes a lens barrel and a lens assembly, the lens barrel is disposed on the heat dissipation assembly, the lens assembly is disposed in the lens barrel, and the lens barrel surrounds the display module, the display module faces the lens assembly, the housing is provided with an opening, and the lens assembly faces the opening.

Abstract: A head-mounted display device, comprising a holder, a lens barrel assembly provided on the holder, and an adjusting device. The lens barrel assembly comprises a lens barrel, a display module provided in the lens barrel, and an optical lens group provided at one end of the lens barrel, wherein the optical lens group comprises at least one optical lens. The adjusting device comprises a driving device provided on the holder, a support provided in the lens barrel and fixedly connected to the display module, and a transmission device. The transmission device is configured to be capable of driving the support to do a reciprocating linear motion under a driving of the driving device, so that the display module is close to or away from the optical lens group.

Abstract: An imaging adjustment apparatus (10) and method, a wearable device and a storage medium are provided. The imaging adjustment apparatus (10) includes a light-emitting device (101), a photoelectric conversion device (102), a control apparatus (103) and a drive apparatus (104), wherein the light-emitting device (101) is configured to emit first light, such that the first light irradiates eyes of a user; the photoelectric conversion device (102) is configured to perform photoelectric conversion on the basis of second light reflected by the eyes of the user to generate an electrical signal, and provide the generated electrical signal to the control apparatus (103); the control apparatus (103) is configured to determine the state of the eyes of the user on the basis of the electrical signal, and control, according to the state of the eyes of the user.

Abstract: Provided is a method of calibrating a stereoscopic display device. The device includes a motor and a display panel, and the display panel is driven by the motor to rotate to realize a stereoscopic display. The method includes acquiring a control strategy of the motor and display parameters of the display panel matching the control strategy, wherein the control strategy indicates that each time the motor runs for a preset period of time, the motor is restarted; controlling the motor to run according to the control strategy, to calibrate the motor by restarting; and driving the display panel to display according to the display parameters in the rotation process of the motor.

Abstract: Provided is a display device. The display device includes a controller, a display module, and a temperature sensor disposed in the display module; wherein the controller is connected to the display module and the temperature sensor; the temperature sensor is configured to detect a temperature of the display module; and the controller is configured to: adjust a gamma parameter of the display module to a target gamma parameter corresponding to the temperature of the display module; determine a target drive voltage required by the display module with the target gamma parameter; and drive, based on the target drive voltage, the display module to display an image.

Abstract: A rotary display device includes a display module, a rotating shaft, a transmission apparatus, an acquisition apparatus and a control apparatus. The transmission apparatus is configured to drive the display module to rotate with the rotating shaft. The control apparatus is configured to: receive information of picture(s), acquired by the acquisition apparatus, of an outside of the display module and determine whether a picture includes face figure(s); if no face figure is included in the picture, control the display module to display images in a first condition; if the face figure(s) are included in the picture, control the display module to display images in a second condition. A second refresh rate in the second condition is greater than a first refresh rate in the first condition, and a second color depth in the second condition is greater than a first color depth in the first condition.

Abstract: Provided is a wearable display device. The wearable display device includes: a motor, a processor, and a motor drive assembly; wherein the processor is connected to the motor drive assembly, and is configured to receive a motor control instruction and send the motor control instruction to the motor drive assembly; the motor drive assembly is connected to the motor, and is configured to: control the motor to rotate based on the rotation mode in the case that the motor control instruction carries the rotation mode, and adjust a rotation speed of the motor based on the speed control parameter in the case that the motor control instruction carries the speed control parameter; and the motor, upon rotating, is configured to adjust a position of an imaging face of the wearable display device.