A projection method of an electronic device, includes detecting the presence of an object within a preset distance range from a projection unit of the electronic device, generating a projection adjusting instruction if an object is detected within the preset distance range from the projection unit, and adjusting a projection display of the projection unit in response to the projection adjusting instruction.

To provide an image display device capable of remediation of color breakup, and an electronic device including the image display device. An image display device includes: a first display panel whose transmittance or reflectance of light is controlled on the basis of a first video signal; a second display panel whose transmittance or reflectance of light is controlled on the basis of a second video signal; a light irradiation unit configured to irradiate the first display panel with color light according to the first video signal for driving the first display panel, and to irradiate the second display panel with color light according to the second video signal for driving the second display panel; and a control unit configured to generate the first video signal corresponding to first color light that is one among red color light, green color light, and blue color light, and generate the second video signal that causes emission of second color light that brings the first color light close to white light.

To provide an image display device capable of remediation of color breakup, and an electronic device including the image display device. An image display device includes: a first display panel whose transmittance or reflectance of light is controlled on the basis of a first video signal; a second display panel whose transmittance or reflectance of light is controlled on the basis of a second video signal; a light irradiation unit configured to irradiate the first display panel with color light according to the first video signal for driving the first display panel, and to irradiate the second display panel with color light according to the second video signal for driving the second display panel; and a control unit configured to generate the first video signal corresponding to first color light that is one among red color light, green color light, and blue color light, and generate the second video signal that causes emission of second color light that brings the first color light close to white light.

An instruction position detection device includes: a processor that acquires a movement amount of an instruction position of an indicator capable of detecting the movement amount, and performs a control of projecting, from a projection apparatus, an image including a setting image for setting an origin of the instruction position of the indicator, and the processor is configured to: acquire an input result of a setting operation of an operator in a state where an instruction for a position indicated by the setting image in a projected projection image is provided by the indicator; and perform a control of detecting the instruction position of the indicator in the image based on the position of the setting image in the image and the movement amount after the input result of the setting operation is acquired.

An adjustment support device includes: a processor configured to perform a control of: generating guide information indicating an operation method of an adjustment mechanism for adjusting inclination of a projection apparatus with respect to a reference surface based on inclination information indicating the inclination; and outputting the generated guide information

An image projection device incudes a scanning unit that two-dimensionally scans a light beam emitted from a light source, a light guide member that is formed of a glass material through which light beams emitted from the scanning unit at different times pass, has reflection surfaces reflecting the light beams, converges the light beams reflected by the reflection surfaces at a first convergence point in the eye of the user, and then irradiates a retina of the user with the converged light beams, a first optical member that converges the light beams emitted from the scanning unit at a second convergence point before the light guide member and then causes the light beams to enter the light guide member, and a second optical member that is disposed at the second convergence point and causes the light beams to enter a last reflection surface as diffusion lights.

Provided are a projection type display device and an operation assistance method that enable an operator to enjoy an operation assistance function even in the case of occurrence of abnormality in an optical modulation unit or an image information input unit during operation of a vehicle. A system control unit 47 of a HUD, if sensing abnormality in an optical modulation device 44 and a drive unit 45, stops a light source unit 40 and, furthermore, in the case of image information generated by a projected image information generation unit 52 including image information that calls attention of the operator to the front field of view, displays an alert image based on the image information on a liquid crystal display device 61 in a meter cluster.

Provided is an image correction device and the like, which allow improvement of realistic feeling of colors and texture of a projection portion by correcting a projection image in consideration of brightness of the projection portion with respect to surroundings. Where a projection portion is a range in which a projector projects an image on a projection target, an imaging portion is a range captured by a camera, the imaging portion is larger than the projection portion, and the imaging portion includes the projection portion, the image correction device includes: a projection result estimation unit configured to estimate an image obtained when a projection image is projected onto a projection target, and to obtain a projection result estimation image; a perception distance calculation unit configured to calculate a perception distance that is a perceptual difference in brain representation between a target image and the projection result estimation image; and a projection image update unit configured to update the projection image so as to reduce the perception distance, and to obtain an updated projection image, wherein the projection result estimation image and the target image are images having a size identical to the imaging portion.

A head-up display device includes a display element, a beam splitter, a movable mirror, first and second mirrors, and a movable unit. The display element emits light to form a display image. The beam splitter being an optical member that reflects light or through which light is transmitted, reflects light emitted from the display element. The movable mirror reflects light reflected off the beam splitter. The first and second mirrors that reflect light movable mirror, or through which the light transmitted through the beam splitter is transmitted, project a virtual image. The movable unit adjusts a distance between the movable mirror and the beam splitter to adjust a projection distance of the virtual image.

A projector, an image projection method, and a recording medium storing a program. The projector includes a color wheel configured to divide light by time into light rays of a plurality of colors including at least a first color and a second color, the light forming an image to be projected, an image generator configured to generate the image including a plurality of pixels from the light rays divided by time by the color wheel, a shifting member configured to shift the plurality of pixels of the image formed by the first color and the second color, with varying shifting speeds, a color-wheel controller configured to control the color wheel, a shifting controller configured to control the shifting member, and a timing controller configured to generate a first timing signal for controlling timings of the color wheel and a second timing signal for controlling timings of the shifting member.