Abstract: Provided is a head-up display device capable of reducing the divergence angle of display light which has passed a cross point. A head-up display device comprises: a light source that emits light beams; a liquid crystal panel that emits display light beams upon reception of the light beams from the light source; a first mirror that reflects the display light beams from the liquid crystal panel and causes the reflected display light beams to cross at a cross point in a crossing direction; a second mirror that reflects the display light beams reflected on the first mirror and passed through the cross point; and a second lenticular lens that converges the light beams from the light source and causes the display light beams to reach the first mirror in the converged state.

Abstract: A head-up display device as a vehicle display device projects display light onto a front windshield of a vehicle, displays a virtual image by reflected display light, on the front windshield, so as to be superimposed on a real scene transparent through the front windshield, captures an image of a driver of the vehicle by projecting infrared light onto the driver, and detects the positions of the eyes of the driver based on the captured image. A control unit detects the position of a feature point of the face of the driver in the captured image and stores a positional relationship with the detected positions of the eyes, and, when it is difficult to detect the positions of the eyes in die captured image, estimates a viewpoint position of the driver based on the position of the feature point detected at this time and the positional relationship stored beforehand.

Abstract: A head-up display device includes: light sources; a light source driver that drives the light sources; a second control unit that illuminates the light sources via the light source driver on the basis of illumination control data; and a DMD display element that generates display light on the basis of illumination light emitted by the light sources. The illumination control data includes control modes for generating the illumination light brightness corresponding to a requested brightness. The control modes have differing brightness ranges, which partially overlap each other. The second control unit switches modes between the control modes when the requested brightness has reached a mode switching value, which is located in a non-end part of an overlapping region where one of the brightness ranges of one of the control modes and another one of the brightness ranges of another one of the control modes overlap.

Abstract: A lighting control data generation method for generating lighting control data for controlling light sources in a HUD device includes: a measurement point specifying step for specifying measurement points in accordance with the brightness of light from a light source at each of output levels set to different values by a light source control unit which controls the light source with reference to lighting control data; and an output characteristic acquisition step for acquiring output characteristics by performing interpolation between the specified measurement points, wherein in the measurement point specification step, measurement points of a first specific point number are specified in a high-brightness mode in which the required brightness exceeds a threshold value, and measurement points of a second specific point number larger than the first specific point number are specified in a low-brightness mode in which the required brightness is the threshold value or low.

Abstract: Provided is a head up display (HUD) device in which occurrence of postcard can be reduced. The HUD device causes an image to be visually recognized as a virtual image. The HUD device is provided with: a projector 100 that emits projection light including light indicating an image; a screen 60 which the projection light reaches; and a light shielding part S that shields at least a part of the projection light excluding the light indicating the image. The screen 60 has a display possible region Rc that is a range which the projection light can reach, and a display region Ra to which the image is projected.

Abstract: The present invention enables recognition of traffic light lamp color in place of or in addition to simply displaying the traffic light lamp color in a color image. A projection unit projects, towards a part subject to projection, display light L that can display an image at a variable display distance. A lamp color information acquisition unit acquires a lamp color of a traffic light which a vehicle will be driving through. A display distance adjustment unit changes the display distance of the image based on the lamp color acquired by an information acquisition unit.

Abstract: Provided is a display device which has improved heat dissipation efficiency. A display device according to the present invention is provided with a display unit, a circuit board which is positioned in the rear of the display unit, a heat dissipation member which is positioned in the rear of the circuit board and is capable of dissipating the heat of the circuit board, and a case body which contains at least the heat dissipation member. The heat dissipation member has a plurality of heat dissipation pieces which protrude to the outside of the case body through an opening that is provided in the case body, and which extend in the vertical direction, and the opening has an inclined surface, which is inclined upwardly, in a portion that faces the top of each heat dissipation piece.

Abstract: An instrument includes: a liquid-crystal display device including a display element and light sources provided along one side surface extending in the Y direction of the element; a first case having a reference positioning pin, and other positioning pins; and a second case having a reference hole into which the reference positioning pin is inserted, other holes into which the other positioning pins are inserted, a first region in which a first pointer-type instrument is provided, a second region in which a second pointer-type instrument is provided, and a third region in which the liquid crystal display device is provided between the first region and the second region. The third region has an edge corresponding to the position where the side surface 4a is disposed, and the reference hole is provided on the edge side with respect to the center of the third region in the X direction.

Abstract: In order to provide a head-up display that is capable of reliably displaying a display image, the present invention is provided with: a display device that projects display light; a field lens that adjusts the direction of the display light; a thin-plate screen that has a rear surface for receiving the light emitted from the field lens and a front surface on which a display image is displayed; a screen holder that holds the screen; and a main holder that accommodates the field lens and the screen held by the screen holder.

Abstract: The purpose of the present invention is to provide a head-up display having enhanced evenness of display image luminance. This head-up display is provided with: a backlight unit having a light source, the backlight unit emitting illumination light; a liquid crystal display element for displaying an image, the image being irradiated by the illumination light, whereby the liquid crystal display element emits display light; a control means for controlling the illuminance of the backlight unit and display by the liquid crystal display element; a housing having an opening through which the display light passes, the housing housing the liquid crystal display element and the backlight unit; and a cover glass for reflecting and/or transmitting in at least one location in a display light path and projecting the reflected and/or transmitted display light.

Abstract: A head-up display device makes it possible to increase the number of common parts between when mounted in a right-hand-drive car and when mounted in a left-hand-drive car. A head-up display device includes: a first unit which generates display light; and a second unit to which the first unit is attached, and which displays a virtual image by guiding the display light generated by the first unit to a windshield. The first unit is provided with a projector which emits the display light, and a first optical relay which guides the display light from the projector to the second unit along a virtual plane. The second unit is provided with a second optical relay which guides the display light to the windshield such that an irradiation position at which the windshield is irradiated with the display light is shifted in a car width direction crossing the virtual plane.

Abstract: A head-up display apparatus in which display light emitted by a display device to express an image is reflected by a reflecting part, and a virtual image corresponding to the reflected image is displayed. The apparatus includes: a reflecting-part holder provided with a pair of rotary shaft parts protruding at both ends thereof, the rotary shaft parts retaining the reflecting part; a pair of bearings rotatably supporting the pair of rotary shaft parts; and a pair of bearing holders retaining the pair of bearings in a housing; first supported parts protruding in the radial direction of the bearings provided to the bearing holders, and the housing provided with a hole-shaped first support part in which the first supported part of one bearing holder is positioned, and an elongated-hole-shaped second support part elongated in an axial direction in which the first supported part of the other bearing holder is positioned.

Abstract: The present invention provides an operation device which is capable of efficiently transmitting vibrations. An operation device according to the present invention is provided with: a first structure that comprises a touch panel module, a first case in which the touch panel module is arranged, a first supporting body to which the first case is affixed, and a vibration actuator 10 which is arranged on the first supporting body; a second structure that comprises a second supporting body, which is connected to the first supporting body, a second case which is affixed to the second supporting body, and a circuit board which is arranged in the second case; and a vibration damping member that connects the first supporting body and the second supporting body to each other.

Abstract: A vehicle display apparatus has a display and a control unit. The control unit detects whether or not an error recognizable by users of the vehicle has occurred in an image on the display on the basis of the result of matching between a first error detection code, which is generated on the basis of image data transmitted to a display drive unit, and a second error detection code, which is generated on the basis of the image data received by the display drive unit, to determine whether notification is required or not, and provides notification on deterioration in the reliability of the image on the display by controlling light-emitting elements and sound output units provided on the vehicle display apparatus or by way of a superordinate device.

Abstract: There is provided a lens array and an lens array capable of suitably preventing irregular brightness without reducing resolution. A micro lens array of a screen includes upper-level microlenses and lower-level microlenses which are formed on the incidence surface of the screen, which have the same effective diameter, and which have a structure that generates an optical path length difference ? in transmission light. By disposing the upper-level microlenses and the lower-level microlenses at an interval based on the effective diameter, the basic periodic structure of a lens period is formed. Further, the upper-level microlenses and the lower-level microlenses form a basic block comprising a combination of the lenses having a structure that generates the optical path length difference. A concave-and-convex period PC based on the basic block is an integer multiple of the lens period.

Abstract: Provided is a head-up display device which can stably display a virtual image viewed so as to be stuck to a road surface, during traveling of a vehicle. A head-up display device according to the present invention is provided with a display means for projecting display light to a front window shield provided to a vehicle, and generating and displaying a virtual image, formed by the display light reflected at the front window shield, so as to be superposed on an actual scene seen through the front window shield. At least a part of a virtual image display region in which the virtual image is displayed is positioned below a road surface on which the vehicle travels.

Abstract: There is provided a lens array and an lens array capable of suitably preventing irregular brightness without reducing resolution. A micro lens array of a screen includes upper-level microlenses and lower-level microlenses which are formed on the incidence surface of the screen, which have the same effective diameter, and which have a structure that generates an optical path length difference ? in transmission light. By disposing the upper-level microlenses and the lower-level microlenses at an interval based on the effective diameter, the basic periodic structure of a lens period is formed. Further, the upper-level microlenses and the lower-level microlenses form a basic block comprising a combination of the lenses having a structure that generates the optical path length difference. A concave-and-convex period PC based on the basic block is an integer multiple of the lens period.

Abstract: Provided is a head-up display having excellent handling properties. This head-up display is provided with a display panel, a substrate including a light source which illuminates the display panel from a rear surface thereof, a heat sink which dissipates heat transferred from the substrate, and a case which accommodates the heat sink. The case includes an opening exposing at least a portion of the heat sink, and a protecting wall which has a larger amount of protrusion than the amount of protrusion of the heat sink protruding from the opening, and which protects the heat sink protruding from the opening.

Abstract: Provided is a head-up display device wherein in a state where a light-receiving unit is connected to a control substrate, a lid can be easily mounted to a case. Housed in a case of a head-up display device are a substrate for controlling a projector and a reflection unit for reflecting light projected thereon by the projector. The reflection unit is configured to have a reflecting mirror that is held by a holder, while the substrate is connected, via a connection member, with a light-receiving unit for detecting light from outside. The light-receiving unit is configured to have a light-receiving sensor that is held by a sensor holding part. The sensor holding part for holding the light-receiving sensor is held by the holder.

Abstract: The present invention is capable of making it difficult to perceive the narrowness of a display area of a virtual image. Provided is a head-up display which projects display light on a transmission/reflection part to display a first virtual image in an area in which the virtual image can be displayed, said area being superimposed on an actual view outside of a vehicle, wherein, when deviation occurs in the relative positions of the actual view and the transmission/reflection part from the perspective of a viewer, a control unit enlarges a virtual image display area, which sets the range in which the first virtual image is displayed within the area in which the virtual image can be displayed, so as to be larger than normal.