Abstract: An imaging apparatus, imaging system, and vehicle reduce the effect of D/A conversion of a digital image signal and the effect during transmission of an analog image signal. An imaging apparatus includes an image processor that generates a first digital image, a DA converter that converts the first digital image to an analog image and outputs the analog image, an I/O interface that receives reference information indicating an image quality characteristic value of a second digital image generated in accordance with the analog image, and a controller that controls operation of the image processor and adjusts an image quality characteristic of the first digital image so that the image quality characteristic value of the second digital image becomes closer to a target value.

Abstract: An image display apparatus includes: a light source emitting light; a spatial light modulator having a display region, and modulating the light emitted from the light source in accordance with an image signal; a projection device projecting the light modulated by the spatial light modulator onto a projection surface including an illumination region; and a deflecting section deflecting the light that is emitted from the light source and is then incident on the spatial light modulator. In this structure, the light emitted from the light source illuminates a part of the display region of the spatial light modulator, the light is deflected by the deflecting section, and the illumination region illuminated by the light moves on the projection surface.

Abstract: There is provided a screen and a projector using a simple configuration and operation to make speckles less visible. A screen 10 on which light beams are incident includes a lenticular lens 11 as a first layer having viewing angle control means for enlarging the viewing angle and a Fresnel lens 12 as a second layer having angular conversion means for converting the angles of incidence of the incident light beams into the substantially same direction. One of the first and second layers has a diffusion capability that diffuses the incident light beams and has moving means for moving that layer relative to the other. Alternatively, the first and second layers both have the diffusion capability, and at least one of the layers has moving means for moving that layer relative to the other.

Abstract: There is provided a screen and a projector using a simple configuration and operation to make speckles less visible. A screen 10 on which light beams are incident includes a lenticular lens 11 as a first layer having viewing angle control means for enlarging the viewing angle and a Fresnel lens 12 as a second layer having angular conversion means for converting the angles of incidence of the incident light beams into the substantially same direction. One of the first and second layers has a diffusion capability that diffuses the incident light beams and has moving means for moving that layer relative to the other. Alternatively, the first and second layers both have the diffusion capability, and at least one of the layers has moving means for moving that layer relative to the other.

Abstract: A screen includes a screen main body that has a diffusion layer, a frame that is provided along the circumference of the screen main body, and to which the diffusion layer is attached through supporting members to rock, and a driving unit that is mounted on the diffusion layer and moves the diffusion layer in parallel to a surface of the diffusion layer.

Abstract: There is provided a screen and a projector using a simple configuration and operation to make speckles less visible. A screen 10 on which light beams are incident includes a lenticular lens 11 as a first layer having viewing angle control means for enlarging the viewing angle and a Fresnel lens 12 as a second layer having angular conversion means for converting the angles of incidence of the incident light beams into the substantially same direction. One of the first and second layers has a diffusion capability that diffuses the incident light beams and has moving means for moving that layer relative to the other. Alternatively, the first and second layers both have the diffusion capability, and at least one of the layers has moving means for moving that layer relative to the other.

Abstract: A screen includes a screen main body that has a diffusion layer, a frame that is provided along the circumference of the screen main body, and to which the diffusion layer is attached through supporting members to rock, and a driving unit that is mounted on the diffusion layer and moves the diffusion layer in parallel to a surface of the diffusion layer.

Abstract: An evaluation method for evaluating optical characteristics of an optical system, the evaluation method includes: providing an optical system that is an evaluation object and that has a light incidence section and a light emission section; disposing a first pattern having a fist predetermined pitch, in an optical path of light which is incident onto the light incidence section; disposing a projection surface having a second pattern with a second predetermined pitch, at the position to which the light emitted from the light emission section is reached; projecting an image of the first pattern onto the projection surface through the optical system; and evaluating the optical characteristics of the optical system by observing a state of moiré fringes which are generated onto the projection surface due to interference between the image and the second pattern.

Abstract: A screen includes a screen main body that has a diffusion layer, a frame that is provided along the circumference of the screen main body, and to which the diffusion layer is attached through supporting members to rock, and a driving unit that is mounted on the diffusion layer and moves the diffusion layer in parallel to a surface of the diffusion layer.

Abstract: There is provided a screen and a projector using a simple configuration and operation to make speckles less visible. A screen 10 on which light beams are incident includes a lenticular lens 11 as a first layer having viewing angle control means for enlarging the viewing angle and a Fresnel lens 12 as a second layer having angular conversion means for converting the angles of incidence of the incident light beams into the substantially same direction. One of the first and second layers has a diffusion capability that diffuses the incident light beams and has moving means for moving that layer relative to the other. Alternatively, the first and second layers both have the diffusion capability, and at least one of the layers has moving means for moving that layer relative to the other.

Abstract: A screen that receives projected light beams to display an image includes: a plurality of light-transmissive plates having optical transparency; a fluid that is disposed within a light scattering space formed between the light-transmissive plates and contains at least one of gas and liquid; and scattering components that are disposed within the light scattering space and are deformable according to an atmosphere change of the fluid.

Abstract: There is provided a screen and a projector using a simple configuration and operation to make speckles less visible. A screen 10 on which light beams are incident includes a lenticular lens 11 as a first layer having viewing angle control means for enlarging the viewing angle and a Fresnel lens 12 as a second layer having angular conversion means for converting the angles of incidence of the incident light beams into the substantially same direction. One of the first and second layers has a diffusion capability that diffuses the incident light beams and has moving means for moving that layer relative to the other. Alternatively, the first and second layers both have the diffusion capability, and at least one of the layers has moving means for moving that layer relative to the other.

Abstract: A screen that displays images as a result of receiving projection light, includes: a plurality of plate components that are optically transparent and are provided apart from each other; a scatterer that is placed in a light scattering space that is formed between the plurality of plate components, and is formed by dispersing a light scattering material in a gas or liquid dispersion medium; a flow path that allows the scatterer to flow through the light scattering space; and a flow device that causes the scatterer to flow through the light scattering space.

Abstract: To provide a projector or the like, which use a solid-state light-emitting element as light source and which provides a bright, stable, and uniform projection image, the present invention includes: a light source to emit light; a spatial light modulator to modulate the light from the light source in accordance with an image signal; and a projector lens to project the light modulated by the spatial light modulator. The spatial light modulator is a tilt mirror device including a movable mirror element that reflects the light from the light source in the direction of the projector lens or in the direction other than that of the projector lens.

Abstract: A projector includes a laser beam source that outputs a laser beam and modulates the laser beam in a beam form based on an image signal, a scanning unit that scans the laser beam output by the laser beam source at least in one-dimensional direction, a scan driving unit that drive controls the scanning unit by a first force, a retaining unit that stops and retains the scanning unit at a predetermined position by a second force, and a light shielding unit that shields the laser beam from the scanning unit that is retained by the retaining unit. The scan driving unit releases the scanning unit retained by the retaining unit, and drives it when the first force is larger than the second force. The retaining unit stops and retains the scanning unit at the predetermined position when the second force is larger than the first force.

Abstract: A scintillation evaluation method for quantitatively evaluating scintillation, the method comprising: obtaining an image data that includes at least an interference pattern of scintillation; increasing the contrast of the interference pattern; and determining the amount of variation of brightness in the image data, the amount of the variation corresponding to the interference pattern whose contrast has been increased.

Abstract: An evaluation method for evaluating optical characteristics of an optical system, the evaluation method includes: providing an optical system that is an evaluation object and that has a light incidence section and a light emission section; disposing a first pattern having a fist predetermined pitch, in an optical path of light which is incident onto the light incidence section; disposing a projection surface having a second pattern with a second predetermined pitch, at the position to which the light emitted from the light emission section is reached; projecting an image of the first pattern onto the projection surface through the optical system; and evaluating the optical characteristics of the optical system by observing a state of moiré fringes which are generated onto the projection surface due to interference between the image and the second pattern.

Abstract: A light source that has a small size can provide uniform light at high efficiency and can have a high degree of freedom in design, a method for manufacturing this light source, and a projector having this light source include a solid-state light-emitting chip that supplies G-light, which is light of a predetermined wavelength range, a support, a package mold, and a heat sink that constitute a solid-state light-emitting chip supporting part for supporting the solid-state light-emitting chip, an optical guide that reflects the G-light and thus causes the G-light to exit into an illuminating direction, and a support, which is an optical guide supporting part for supporting the optical guide. A light exiting surface of the solid-state light-emitting chip and a light incident surface of the optical guide are provided at a predetermined spacing. The solid-state light-emitting chip is, for example, an InGaN-based LED flip chip.

Abstract: To provide a projector capable of obtaining a bright projection image with good color balance by efficient cooling in the case of using light source parts having different wavelength characteristics, a projector has plural light source parts to supply illumination lights, a cooling part to cool light source parts, spatial light modulators to modulate the illumination lights from the light source parts according to image signals, and a projection lens to project the lights modulated by the spatial light modulators, and the light source parts provide different amounts of illumination lights that change depending on the temperature changes of the light source parts. The cooling part cools the light source parts so that they provide amounts of light within a predetermined range with the amount of illumination light provided when one of the light source parts are at a reference temperature.

Abstract: A screen that receives projected light beams to display an image includes: a plurality of light-transmissive plates having optical transparency; a fluid that is disposed within a light scattering space formed between the light-transmissive plates and contains at least one of gas and liquid; and scattering components that are disposed within the light scattering space and are deformable according to an atmosphere change of the fluid.