Abstract: There is provided an image display device capable of preventing an unnecessary image from entering the fields of view of an observer and a viewer of the observer. An image display device according to the present technology includes a light projection system that projects image light, and a light guide system that includes a light guide plate having a reflection surface inside, the light guide plate guiding the image light from the light projection system to an eyeball, in which the light guide plate includes a light guide plate main body, and a gas layer provided in the light guide plate main body, and the reflection surface is an interface between the light guide plate main body and the gas layer. With the image display device according to the present technology, it is possible to suppress an unnecessary image from entering the fields of view of an observer and a viewer of the observer.

Abstract: The present technology relates to an information processing apparatus and an information processing method enabling a user to visually recognize a surrounding environment promptly based on a sudden change in brightness. An information processing apparatus of the present technology includes an acquisition section that acquires environmental information which is information associated with an environment including an object present in a real space, and a display control section that exercises display control based on the environmental information with respect to form information representing a form of the object over a display section that displays predetermined information in a visually recognizable state while superimposing the predetermined information on the real space based on occurrence of a change in brightness of the real space higher than a threshold. The present technology is applicable to an HMD that displays information while superimposing the information on a scene in front of a user.

Abstract: [Problem] To provide an information processing apparatus, an information processing method, and a program. [Solution] An information processing apparatus including a display control unit that causes a display unit to display a virtual image in a three-dimensional space. The display control unit causes the display unit to display only one of a left-eye image and a right-eye image corresponding to the virtual image if it is determined that the virtual image is located outside of a predetermined range in a depth direction when viewed from a user of the display unit, and causes the display unit to display the left-eye image and the right-eye image if it is determined that the virtual image is located inside of the predetermined range.

Abstract: A display device includes a frame and an image display device. The image display device includes an image forming device, a light guide device, and a lens system. The image forming device includes light emitting elements 300 arranged in a two-dimensional matrix. Each of the light emitting elements 300 has a laminated structure 301 including at least one layer of light emitting laminates 310, 320, and 330 each including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode. The laminated structure 301 has a through hole 360 through which light from the light emitting layer is emitted toward the lens system. An antireflection layer 370 is formed in a portion of the laminated structure facing the lens system.

Abstract: There is provided an information processing apparatus capable of presenting an object that is easy to be in a fusion state where connection is natural regardless of a distance, an information processing method, and a recording medium. In the information processing apparatus, a left-eye image and a right-eye image are output to acquire position information of an object in a depth direction to be perceived by a user, and a luminance correction region to be subjected to luminance correction is set to at least one of a first display region that is included in a display region for the left-eye image and overlaps a display region for the right-eye image, or a second display region that is included in the display region for the right-eye image and overlaps the display region for the left-eye image on the basis of the position information. The present technology can be applied to, for example, a transmissive HMD.

Abstract: [Problem] To provide an information processing apparatus, an information processing method, and a program. [Solution] An information processing apparatus including a display control unit that causes a display unit to display a virtual image in a three-dimensional space. The display control unit causes the display unit to display only one of a left-eye image and a right-eye image corresponding to the virtual image if it is determined that the virtual image is located outside of a predetermined range in a depth direction when viewed from a user of the display unit, and causes the display unit to display the left-eye image and the right-eye image if it is determined that the virtual image is located inside of the predetermined range.

Abstract: The present technology relates to an information processing apparatus, an information processing method, and a recording medium enabling a user to visually recognize a surrounding environment promptly in a case of a sudden change in brightness. An information processing apparatus according to one embodiment of the present technology includes an acquisition section that acquires environmental information which is information associated with an environment including an object present in a real space, and a display control section that exercises display control based on the environmental information with respect to form information representing a form of the object over a display section that displays predetermined information in a visually recognizable state while superimposing the predetermined information on the real space in a case of occurrence of a change in brightness of the real space higher than a threshold.

Abstract: There is provided an information processing apparatus capable of presenting an object that is easy to be in a fusion state where connection is natural regardless of a distance, an information processing method, and a recording medium. In the information processing apparatus, a left-eye image and a right-eye image are output to acquire position information of an object in a depth direction to be perceived by a user, and a luminance correction region to be subjected to luminance correction is set to at least one of a first display region that is included in a display region for the left-eye image and overlaps a display region for the right-eye image, or a second display region that is included in the display region for the right-eye image and overlaps the display region for the left-eye image on the basis of the position information. The present technology can be applied to, for example, a transmissive HMD.

Abstract: A display device includes a frame and an image display device. The image display device includes an image forming device, a light guide device, and a lens system. The image forming device includes light emitting elements 300 arranged in a two-dimensional matrix. Each of the light emitting elements 300 has a laminated structure 301 including at least one layer of light emitting laminates 310, 320, and 330 each including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode. The laminated structure 301 has a through hole 360 through which light from the light emitting layer is emitted toward the lens system. An antireflection layer 370 is formed in a portion of the laminated structure facing the lens system.

Abstract: A display device includes a frame and an image display device. The image display device includes an image forming device, a light guide device, and a lens system. The image forming device includes light emitting elements 300 arranged in a two-dimensional matrix. Each of the light emitting elements 300 has a laminated structure 301 including at least one layer of light emitting laminates 310, 320, and 330 each including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode. The laminated structure 301 has a through hole 360 through which light from the light emitting layer is emitted toward the lens system. An antireflection layer 370 is formed in a portion of the laminated structure facing the lens system.

Abstract: A display apparatus includes: a frame 10 to be mounted on the head of a viewer; and an image display device 100 attached to the frame 10. The image display device 100 includes: an image forming device 111; and an optical device 120 that guides an image from the image forming device 111 to an eye of the viewer. The optical device 120 includes: a first deflecting unit 130 that deflects the image from the image forming device 111; and a second deflecting unit 140 that deflects the image deflected by the first deflecting unit 130, toward the eye 21 of the viewer. A light reflecting member 151 is further provided to face the image forming device 111, with the optical device 120 being interposed between the image forming device 111 and the light reflecting member 151. Light emitted from the image forming device 111 passes through the optical device 120, is reflected by the light reflecting member 151, reenters the optical device 120, and is deflected by the first deflecting unit 130.

Abstract: A display device includes a frame and an image display device. The image display device includes an image forming device, a light guide device, and a lens system. The image forming device includes light emitting elements 300 arranged in a two-dimensional matrix. Each of the light emitting elements 300 has a laminated structure 301 including at least one layer of light emitting laminates 310, 320, and 330 each including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode. The laminated structure 301 has a through hole 360 through which light from the light emitting layer is emitted toward the lens system. An antireflection layer 370 is formed in a portion of the laminated structure facing the lens system.

Abstract: A display apparatus includes: a frame 10 to be mounted on the head of a viewer; and an image display device 100 attached to the frame 10. The image display device 100 includes: an image forming device 111; and an optical device 120 that guides an image from the image forming device 111 to an eye of the viewer. The optical device 120 includes: a first deflecting unit 130 that deflects the image from the image forming device 111; and a second deflecting unit 140 that deflects the image deflected by the first deflecting unit 130, toward the eye 21 of the viewer. A light reflecting member 151 is further provided to face the image forming device 111, with the optical device 120 being interposed between the image forming device 111 and the light reflecting member 151. Light emitted from the image forming device 111 passes through the optical device 120, is reflected by the light reflecting member 151, reenters the optical device 120, and is deflected by the first deflecting unit 130.

Abstract: The image displaying apparatus includes an image production apparatus, a first light conduction section and a second light conduction section. The first light conduction section includes a first light conduction plate which propagates part of incident light thereto by total reflection in the inside thereof and emits the propagated light, and a reflection type volume hologram diffraction grating disposed on the first light conduction plate. The second light conduction section includes a second light conduction plate, a first deflection section and a second deflection section.

Abstract: An illumination optical device includes a light source, a light pipe guiding illumination light from the light source, a diffuser arranged on an emitting surface side of the light pipe. A width of the emitting surface of the light pipe in the horizontal direction is set greater than a width of an illuminated object, and a width of the emitting surface of the light pipe in the vertical direction is set smaller than a width of the illuminated object.

Abstract: The image displaying apparatus includes an image production apparatus, a first light conduction section and a second light conduction section. The first light conduction section includes a first light conduction plate which propagates part of incident light thereto by total reflection in the inside thereof and emits the propagated light, and a reflection type volume hologram diffraction grating disposed on the first light conduction plate. The second light conduction section includes a second light conduction plate, a first deflection section and a second deflection section.

Abstract: The image displaying apparatus includes an image production apparatus, a first light conduction section and a second light conduction section. The first light conduction section includes a first light conduction plate which propagates part of incident light thereto by total reflection in the inside thereof and emits the propagated light, and a reflection type volume hologram diffraction grating disposed on the first light conduction plate. The second light conduction section includes a second light conduction plate, a first deflection section and a second deflection section.

Abstract: An illumination optical device includes a light source, a light pipe guiding illumination light from the light source, a diffuser arranged on an emitting surface side of the light pipe. A width of the emitting surface of the light pipe in the horizontal direction is set greater than a width of an illuminated object, and a width of the emitting surface of the light pipe in the vertical direction is set smaller than a width of the illuminated object.

Abstract: In an optical head device, a light emission source for emitting a plurality of laser beams with different wavelengths and an optical system including an objective lens and a collimator are provided. With respect to the optical system to be used in common for a plurality of optical recording media of different kinds, the RIM intensity is set to be not less than 0.1 and the magnification is set in the range of 4 to 6. With these conditions applied to the RIM intensity and the magnification of the optical system, light utilization efficiency at the time of CD recording is ensured, while preventing this from adversely affecting DVD reproduction or recording and while ensuring a beam spot quality.

Abstract: An optical pickup has a light-emitting device having a first light emitter and a second light emitter which emit a first laser beam and a second laser beam, respectively, a beam splitter plate, a collimator lens which converts the first laser beam and the second laser beam into a parallel beam, and a light-detecting device. The first laser beam has an optical axis aligned with an optical axis of an objective lens, and the second laser beam has an optical axis displaced off the optical axis of the objective lens. The second light emitter is placed in a position where the angle ? of incidence of the second laser beam on the beam splitter plate is greater than the angle ? of incidence of the first laser beam on the beam splitter plate, thereby reducing the amount of generated aberrations for increased performance.