A see-through display device includes an image generation unit configured to emit a virtual image light, a light combining unit configured to combine the virtual image light with an actual image light, and a driving unit including a deformation unit and a bridge unit disposed between the deformation unit and the image generation unit, and configured to control a distance between the image generation unit and the light combining unit through the deformation unit and the bridge unit.

A head-mounted display comprises: a wearing body; a display; a communication module configured to perform communication connection with a mobile information terminal; a field of view (FOV) sensor configured to output status data used for determining whether the mobile information terminal is included in a user's FOV through the wearing body; and a controller connected to each of the display, the communication module, and the FOV detection sensor. The controller determines whether the mobile information terminal is included in the user's FOV based on the status data, and performs display control with respect to the display so as to display an application screen of the mobile information terminal on the display when determining that the mobile information terminal is not included in the FOV, and not to display the application screen on the display when determining that the mobile information terminal is included in the FOV.

A virtual reality multi-sensory system includes an overhang rotatable multi-sensory device and a head-mounted multi-sensory device. The overhang rotatable multi-sensory device includes a fixed base, a control unit, a rotatable base, a driving device and a multi-sensory module having at least one selecting from the group consisting of a wind module, a hot air module, a heat module, and a liquid mist module. The head-mounted multi-sensory device includes a helmet, a display screen, earphones, a positioning module and an air flow guiding module. The present invention truly simulates image, sound effect, air flow, humidity, temperature, and smell of a specific environment, to stimulate the senses of sight, hearing, smell, and touch etc. of the user, thereby allowing the user to have an immersive experience in the simulated environment and avoiding increasing physical burden on the user's body.

A display assembly of a head mounted display (HMD) includes a pancake lens display assembly. The pancake display assembly comprises a first lens with a quarter-waveplate and a partially reflective surface, a second lens with a reflective polarizer, and a display. An alignment system positions the first lens relative to the second lens to align the reflective polarizer of the second lens with the quarter-waveplate of the first lens. The alignment system rotates the first lens about an optical axis to position the quarter-waveplate on the first lens such that the quarter-waveplate and the reflective polarizer on the second lens are at an angle where light transmitted through the second lens and then through the first lens is substantially circularly polarized. The alignment system mounts the second lens to the lens housing such that the quarter-waveplate is at the angle relative to the reflective polarizer.

A head-mounted device may have a head-mounted housing and optical components supported by the head-mounted housing. The optical components may include cameras, movable optical modules, and other components. Each optical module may include a display that displays an image and a lens that provides the image to a corresponding eye box. Optical self-mixing sensors may be included in the optical modules and other portions of the head-mounted device to measure changes in optical component position. In response to detecting a change in optical component position, actuators in the device may be adjusted to move the optical components or other action may be taken to compensate for the change.

An eyewear device includes a frame, a temple connected to a lateral side of the frame, a processor, and an image display. The eyewear device further includes a touch sensor. The touch sensor includes an input surface and a sensor array that is coupled to the input surface to receive at least one finger contact inputted from a user. The sensor array can be a capacitive array or a resistive array. A sensing circuit is configured to measure voltage to track the at least one finger contact on the input surface. The processor of the eyewear device can identify a finger gesture based on at least one detected touch event, and adjust an image presented on the image display based on the identified finger gesture.

A head-up display for a vehicle in which an assembly structure of a screen and a picture generation unit (PGU) is reinforced. The head-up display for a vehicle according to one embodiment includes a lower case embedded with a board assembly, and a screen connected to the lower case in a plurality of directions and snap-fit-coupled to the lower case by passing through the board assembly in at least one direction.

A method for displaying virtual content to a user, the method includes determining an accommodation of the user's eyes. The method also includes delivering, through a first waveguide of a stack of waveguides, light rays having a first wavefront curvature based at least in part on the determined accommodation, wherein the first wavefront curvature corresponds to a focal distance of the determined accommodation. The method further includes delivering, through a second waveguide of the stack of waveguides, light rays having a second wavefront curvature, the second wavefront curvature associated with a predetermined margin of the focal distance of the determined accommodation.

An apparatus including a first display for a user's first eye; a first motion sensor and/or a first externally facing image capture device configured to capture at least a first image of a user's real world point of view; a second display for a user's second eye; a second motion sensor and/or a second externally facing image capture device configured to capture at least a second image of a user's real world scene; and a controller configured to: receive at4east a first signal from: the first motion sensor and/or the first image capture device, receive at-least a second signal from: the second motion sensor and/or the second image capture device, determine, based on the first and second signals, a change in orientation of the first display with respect to the second display, and control display of first content on the first display in dependence on the determined change in orientation.

A virtual display apparatus includes: a flexible display component layer having a light exit surface and a non-light exit surface opposite to the light exit surface; a lens layer disposed at the light exit surface of the flexible display component layer, and configured to converge light; a curvature adjustment layer disposed on the non-light exit surface of the flexible display component layer. The lens layer has a first surface facing the flexible display component layer, and the first surface of the lens layer and the light exit surface of the flexible display component layer have a gap therebetween. The curvature adjustment layer is configured to deform in response to at least one deformation signal, so as to adjust distances between the first surface of the lens layer and different positions of the light exit surface of the flexible display component layer along a thickness direction of the lens layer.