Abstract: According to one embodiment, a display apparatus includes an image projection unit, an information acquisition unit and a data supply unit. The image projection unit projects a light flux including an image toward a projection layer which is reflective and transmissive. The information acquisition unit acquires information relating to a position of a three-dimensional object superimposing portion of three-dimensional objects positioned at a road. The road extends from a proximal region of the external environment proximal to the projection layer toward a distal region of the external environment distal to the projection layer. The three-dimensional object superimposing portion is higher than a ground surface and viewable via the projection layer. The data supply unit supplies data relating to the image including a display object to the image projection unit based on the information. The display object is displayed along the three-dimensional object superimposing portion.

Abstract: According to one embodiment, a display device includes a light emitting unit, a reflective unit, a sensor, and a controller. The light source emits light including an image information relating to operation to be performed by an operator. The reflector reflects at least a part of the light emitted from the light source toward an eye of the operator and transmits at least a part of light to be incident on the eye when the reflector is disposed in front of the eye of the operator. The sensor senses a working state of the operator. The controller controls the light source based on the working state in a manner that a luminance of the light emitted from the light source is reduced when the working state indicates that the operator is at work.

Abstract: According to one embodiment, a display device includes a light emitter, a reflector, a virtual image position controller, and a holder. The light emitter emits light flux including an image. The reflector is in front of an eye of a viewer. The reflector is partially reflective and partially transparent and reflects the light flux toward the eye and form a virtual image. The virtual image position controller controls a position of the virtual image. The holder holds the reflector. The virtual image position controller sets the position of the virtual image to a first position on a line connecting the eye and a background object in front of the eye and subsequently moves the position of the virtual image to a second position on the line that lies closer to the reflector than the first position.

Abstract: According to one embodiment, a head mounted display includes a holder, a projector, an optical part, a weight, a detector, a first calculator, and a movement part. The holder includes a frame, a first temple, and a second temple. The first temple and the second temple are respectively connected to each end part of the frame. The projector is provided on the first temple. The projector emits light. The optical part is provided on the frame. The optical part reflects at least part of the light emitted from the projector. The weight is provided on opposite side of the projector. The detector detects tilt of the holder. The first calculator calculates an optimal position of the weight based on the tilt of the holder. The movement part changes the position of the weight according to the optimal position.

Abstract: According to one embodiment, a display device includes an image projection unit, an optical unit and a mounting unit. The image projection unit emits an image light. The optical unit includes a first optical layer having first and second major surfaces, a second optical layer having third and fourth major surfaces and an intermediate layer provided between the second and third major surfaces. At least a portion of the image light travelling from the first major surface toward the second major surface is reflected by the intermediate layer. At least a portion of a background light travelling from the fourth major surface toward the third major surface is transmitted by the intermediate layer. The first major surface or the fourth major surface is a curved surface. The mounting unit is linked to the image projection unit and the optical unit.

Abstract: According to one embodiment, an image display device includes a holder. The holder includes a holding member, a first extension portion, and a second extension portion. The holding member has a first end, and a second end separated from the first end, and includes a first portion, and a second portion. The first extension portion is connected to the first end. The second extension portion is connected to the second end and arranged with the first extension portion. The device includes a light emitting unit, and an optical unit. The light emitting unit is configured to be mounted on the first extension portion and to emit light including an image. The optical unit is configured to be mounted on the first portion and to change a travel direction of the light by reflecting the light.

Abstract: A display device includes an image display, an optical component, a light control component. The image display emits light including an image. The optical component has a focal distance D1. The light control component is provided between the image display and the optical component on an optical path of the light. The light control component includes a central aperture transmitting a first portion of the light emitted, and a peripheral aperture provided around the central aperture and transmitting a second portion of the light. The light control component blocks a portion of the light other than the first and second portions. The focal distance D1, a distance D2 between the optical component and the light control component, and an aperture spacing d0 between the central aperture and the peripheral aperture satisfy a relationship: d0·D1/D2>2.

Abstract: According to one embodiment, a display device includes an image projection unit. The image projection unit is configured to project a light flux toward one eye of a human viewer by using a projection plate to reflect the light flux. The light flux includes an image including a display object having a vanishing point. The projection plate is reflective and transmissive. The image projection unit is configured to dispose the vanishing point of the display object at a position different from a position of a vanishing point of a background image viewed by the human viewer through the projection plate.

Abstract: According to one embodiment, a display device, includes an image projection unit and an optical unit. The image projection unit includes a laser beam source configured to emit a laser beam including image information, and a scanning unit configured to scan the laser beam. The optical unit includes a reflecting unit. The reflecting unit includes a plurality of half mirrors stacked with each other. The scanned laser beam is sequentially incident on the plurality of half mirrors. Respective reflected laser beams produced by being reflected by each of the half mirrors pass through a plurality of mutually-different points.

Abstract: According to one embodiment, a display device includes an imaging unit, an information acquisition unit, a display unit, and a first transmittance control unit. The imaging unit images a first image and generates imaging data. The information acquisition unit acquires first information derived from the imaging data and relating to a second image. The display unit includes an image light emission unit and a semi-transmissive reflection plate. The image light emission unit emits image light. The semi-transmissive reflection plate causes the image light to be incident on one eye and causes background light of the first image to be incident on the one eye. The semi-transmissive reflection plate is disposed between the first transmittance control unit having first and second regions and the one eye. The first transmittance control unit causes a transmittance of the first region to be lower than a transmittance of the second region.

Abstract: According to one embodiment, an image projection apparatus includes a generation unit, a measurement unit, a change unit, and a projection unit. The generation unit is configured to generate an image to be superimposed on a scene viewed by an observer. The measurement unit is configured to measure a vibration occurred while the observer is moving. The change unit is configured to, when a cycle of the vibration satisfies a predetermined condition, change a figure of the image in a predetermined time so as to lower a visibility of the image. The projection unit is configured to project the image toward eyes of the observer.

Abstract: One embodiment provides a display device, including: a luminous flux generator which generates luminous flux including image information; a reflector plate which reflects the luminous flux generated by the luminous flux generator toward one eye of a viewer; a head detector which detects a head of the viewer by using at least two pairs of distance sensors; a controller which controls a position of the reflector plate based on an output from the head detector; and a driver which drives the reflector plate based on an output from the controller.

Abstract: According to one embodiment, a display apparatus includes an image projection unit, an information acquisition unit and a data supply unit. The image projection unit projects a light flux including an image toward a projection layer which is reflective and transmissive. The information acquisition unit acquires information relating to a position of a three-dimensional object superimposing portion of three-dimensional objects positioned at a road. The road extends from a proximal region of the external environment proximal to the projection layer toward a distal region of the external environment distal to the projection layer. The three-dimensional object superimposing portion is higher than a ground surface and viewable via the projection layer. The data supply unit supplies data relating to the image including a display object to the image projection unit based on the information. The display object is displayed along the three-dimensional object superimposing portion.

Abstract: According to one embodiment, a display device includes an image projection unit, an optical unit and a mounting unit. The image projection unit emits an image light. The optical unit includes a first optical layer having first and second major surfaces, a second optical layer having third and fourth major surfaces and an intermediate layer provided between the second and third major surfaces. At least a portion of the image light travelling from the first major surface toward the second major surface is reflected by the intermediate layer. At least a portion of a background light travelling from the fourth major surface toward the third major surface is transmitted by the intermediate layer. The first major surface or the fourth major surface is a curved surface. The mounting unit is linked to the image projection unit and the optical unit.

Abstract: According to one embodiment, a monocular head mounted display comprising an information acquisition section, an image data generation section, and an image display section. The information acquisition section acquires solid body position information on a position of a solid body located on ground around a user, and indication position information on an indication position for the user. The image data generation section generates image data including an information object to provide provision information to the user. The image display section displays an image based on the image data on one eye of the user in superimposition on a real scene. The image data generation section generates the image data so as to move the information object in the image so that the information object is superimposed on the indication position after placing the information object in the image so that the information object is superimposed on the solid body.

Abstract: One embodiment provides a display device, including: a luminous flux generator which generates luminous flux including image information; a reflector plate which reflects the luminous flux generated by the luminous flux generator toward one eye of a viewer; a head detector which detects a head of the viewer by using at least two pairs of distance sensors; a controller which controls a position of the reflector plate based on an output from the head detector; and a driver which drives the reflector plate based on an output from the controller.

Abstract: According to one embodiment, a display device includes an image projection unit. The image projection unit is configured to project a light flux toward one eye of a human viewer by using a projection plate to reflect the light flux. The light flux includes an image including a display object having a vanishing point. The projection plate is reflective and transmissive. The image projection unit is configured to dispose the vanishing point of the display object at a position different from a position of a vanishing point of a background image viewed by the human viewer through the projection plate.

Abstract: A display device includes a light flux generation unit 115 to generate light flux 112 containing image information, a reflection plate 163 to reflect the light flux toward one eye 105 of an occupant 100, a head detection unit 612 to detect a head 101 of the occupant 100 by utilizing at least two pairs of distance sensors, a control unit 620 to determine the position of the head 101 of the occupant 100 as receiving output from the head detection unit 612 and to control a direction or a position of the reflection plate 163, and a drive unit 164 to drive the reflection plate 163 as receiving output from the control unit 620.

Abstract: According to one embodiment, a display apparatus includes a generation unit and a presentation unit. The generation unit is configured to generate a CG image in a CG space having a coordinate system corresponding to a scene viewed from a view point of an observer. The CG image represents a target to be perceived by the observer. The presentation unit is configured to present the CG image to at least one eye of the observer. The generation unit generates a plurality of CG images of the target advancing to a specific coordinate in the CG space and going back from the specific coordinate based on a velocity of the vehicle. The target is perceived by the observer so that the target is advancing from of the vehicle to a specific location corresponding to the specific coordinate in the scene and stops at the specific location for a specific time.

Abstract: According to one embodiment, a display device includes a presentation unit, a setting unit and a control unit. The presentation unit is configured to produce a light flux including image information and to presenting the light flux to an eye of a human viewer. The setting unit is configured to receive luminance information to set a luminance of the light flux to be a first luminance, the first luminance being set by the human viewer. The control unit is configured to control the presentation unit to change the luminance of the light flux, the control unit controlling the presentation unit to make the luminance of the light flux to be a second luminance lower than the first luminance based on the luminance information received by the setting unit.