Abstract: Systems and methods for improving the brightness of a transparent display are disclosed herein. One embodiment collects ambient light using an array of diffraction gratings disposed on an external surface of a building; filters the ambient light to produce filtered ambient light; generates primary-source light using a light-emitting-diode (LED) light source; and injects, into a transparent edge-lit liquid crystal waveguide display deployed in at least a portion of a window of the building, the primary-source light and the filtered ambient light in a color-synchronized manner. The filtered ambient light improves the brightness of the transparent edge-lit liquid crystal waveguide display.

Abstract: An image forming apparatus includes a head, a detector, and circuitry. The head forms an image on a recording medium. The detector detects a vertical movement of the recording medium and a distance to the recording medium in a vertical direction. The detector includes an optical sensor to project light to the recording medium and receive the light reflected from the recording medium. The circuitry sets a first area based on a result of detection performed by the detector. The first area is an area in which the recording medium and the head collide with each other. The circuitry retracts the head to prevent the recording medium and the head from colliding with each other, in a case where a position of the head is in the first area.

Abstract: Systems and methods for improving the brightness of a transparent display are disclosed herein. One embodiment collects ambient light using an array of Fresnel lenses disposed on an external surface of a vehicle; collects internal light from the vehicle's headlights; filters the ambient light and the internal light to produce filtered ambient light and filtered internal light; generates primary-source light using a light-emitting-diode (LED) light source; and injects, into a transparent edge-lit liquid crystal waveguide display deployed in at least a portion of a window of the vehicle, the primary-source light, the filtered ambient light, and the filtered internal light in a color-synchronized manner. The filtered ambient light and the filtered internal light improve the brightness of the transparent edge-lit liquid crystal waveguide display.

Abstract: An optical member includes a light guide made of a transparent material. The light guide has: an incident surface; an exit surface having exit portions and flat portions; a smooth surface arranged opposite to the flat portions; an upper surface and a lower surface arranged opposite to each other so as to connect the smooth surface and the exit surface; a first protrusion protruding from the upper surface; and a second protrusion protruding from the lower surface. The flat portions reflect the incident light toward the smooth surface by total reflection. The smooth surface reflects the reflected light reflected by the flat portion toward the exit surface by total reflection. The exit portions emit a part of the incident light or a part of light reflected by the smooth surface to the outside.

Abstract: An optical member includes a light guide. An inclination angle of a first reflecting surface of the light guide with respect to a first direction perpendicular to a normal direction of the first reflecting surface is defined as ?r in a rotational direction about an axis extending in the normal direction. A line segment is defined by connecting the viewer and the light guide in a cross section perpendicular to the first direction. An inclination angle of the line segment with respect to a second direction perpendicular to the normal direction and the first direction is defined as ? in a rotational direction about an axis extending in the first direction. The first reflecting surface is formed so as to satisfy Inequation of 10°?arctan(tan ?r×sin ?)?90°.

Abstract: Systems and methods for improving the brightness of a transparent display are disclosed herein. One embodiment collects ambient light using an array of metasurface lenses disposed on an external surface of a vehicle; collects internal light from the vehicle's headlights; filters the ambient light and the internal light to produce filtered ambient light and filtered internal light; generates primary-source light using a light-emitting-diode (LED) light source; and injects, into a transparent edge-lit liquid crystal waveguide display deployed in at least a portion of a window of the vehicle, the primary-source light, the filtered ambient light, and the filtered internal light in a color-synchronized manner. The filtered ambient light and the filtered internal light improve the brightness of the transparent edge-lit liquid crystal waveguide display.

Abstract: A display control apparatus includes: a first selector that, when line-of-sight information indicating a direction in which a line of sight of an occupant of a vehicle is directed is outputted, selects one of a plurality of display apparatuses as a display apparatus for displaying information provided to the occupant of the vehicle, the plurality of display apparatuses being configured to display the information, the one display apparatus existing in the direction in which the line of sight is directed; and a second selector that, when the line-of-sight information is not outputted, selects, as the display apparatus for displaying the information, one of the plurality of display apparatuses to which the line of sight of the occupant is more likely to be directed than to other display apparatuses.

Abstract: An optical member includes a light guide body that includes an incident surface on which a light from a blind area is incident, multiple reflecting surfaces configured to reflect the light from the incident surface, a smooth surface configured to reflect the light reflected by the reflecting surfaces, and multiple prisms protruding from the reflecting surfaces in a normal direction of the reflecting surfaces and configured to emit the light from the incident surface and the light reflected by the smooth surface to an outside of the light guide body. The prisms are arranged at intervals in a first direction intersecting the normal direction and are arranged at intervals in a second direction intersecting the normal direction and the second direction. Each of the reflecting surfaces is positioned between the adjacent prisms such that reflecting surfaces are arranged at intervals in the first direction and the second direction.

Abstract: An information processing apparatus is provided. This information processing apparatus includes a first OS that controls execution of a first application, a second OS that controls execution of a second application, and a hypervisor that is executed on a processor and controls execution of the first OS and the second OS.

Abstract: An internal device (1) is implanted in a living body (300). A control section (6) causes a communication section (5) to wirelessly transmit data corresponding to electroencephalogram signals of the living body (300) which are detected through a group of N (N is 2 or more) electrodes, to an external device (200). When the communication section (5) receives a designation signal designating a group of M electrode(s) (2a), M being smaller than N, the communication section (5) is caused to transmit data corresponding to electroencephalogram signals of the living body (300) which are detected through the group of M electrode(s) (2a), to the external device (200) in real time.

Abstract: A device for measuring an intraocular pressure that includes: a pressure sensor configured to measure the intraocular pressure; an ultrasonic transducer electrically coupled to the pressure sensor and configured to receive ultrasonic waves and emit ultrasonic backscatter encoding a pressure measured by the pressure sensor, and a substrate attached to the pressure sensor and the ultrasonic transducer, and configured to interface a surface on or within an eye.

Abstract: An optical member includes a light guide having: an incident surface on which an external scene light is incident from a blind area; a first reflecting surface that reflects light from the incident surface; and a second reflecting surface that reflects light reflected by the first reflecting surface. The optical member further includes a prism having: an exit surface that emits light from the incident surface and light reflected by the second reflecting surface to outside; and a light shielding surface connected to the exit surface to intersect the exit surface. A light from the incident surface and a light reflected by the second reflecting surface are incident on the light shielding surface. The light shielding surface has a rough surface, and a surface roughness of the rough surface is larger than a surface roughness of the exit surface.

Abstract: Systems and methods for improving the brightness of a transparent display are disclosed herein. One embodiment collects ambient light using an array of diffraction gratings disposed on an external surface of a vehicle to produce filtered ambient light; collects internal light from the vehicle's headlights; filters the internal light to produce filtered internal light; generates primary-source light using a light-emitting-diode (LED) light source; and injects, into a transparent edge-lit liquid crystal waveguide display deployed in at least a portion of a window of the vehicle, the primary-source light, the filtered ambient light, and the filtered internal light in a color-synchronized manner. The filtered ambient light and the filtered internal light improve the brightness of the transparent edge-lit liquid crystal waveguide display.

Abstract: A blind spot display device displays an image of blind spot blocked by an obstacle, and includes an incidence surface, a light guide member, a first reflecting surface closed to a display region, a second reflecting surface close to the blind spot, and multiple prism portions protruding toward the display region. An external environment light beam enters the incidence surface, reflects alternately on the first and second reflecting surface while passing through the light guide member, and emits toward the display region through the prism portions. Apexes of the prism portions are arranged in a three dimensional manner not along a plane.

Abstract: An optical device includes a light guide and a light shielding portion. The light guide has: an incident surface on which an external scene light coming from a blind area is incident; a first surface including flat portions and prism portions; and a second surface opposite to the flat portions. The light shielding portion is provided on a surface of the light guide or at a position away from the light guide so as to block an outside light entering the light guide. The light shielding portion has a first light shielding portion for blocking light incident on an inclined surface and a second light shielding portion for blocking light incident on the flat portion in a predetermined direction.

Abstract: An optical member includes a light guide body. The light guide body has an incident surface on which an outside light is incident, a first surface having flat portions and prism portions, an incident light incident on the incident surface reaching the first surface for the first time, and a second surface arranged opposite to the flat portions. The flat portions totally reflect the incident light toward the second surface. The second surface totally reflects a reflected light reflected by the flat portion toward the first surface. The prism portion has an ejection surface to emit the incident light to outside.

Abstract: A diffractive optical element exerts a diffractive action on a display light that is emitted from a display unit. A folding mirror is provided on the opposite side of the diffractive optical element from the display unit to reflect the display light. The diffractive optical element includes a transmissive action part and a diffractive and reflective action part. The transmissive action part exerts a transmissive action to transmit therethrough the display light, which is incident from the display unit and is in a first polarization state, toward the folding mirror. The diffractive and reflective action part exerts a diffractive and reflective action to diffract and reflect the display light, which is reflected by the folding mirror and is in a second polarization state opposite to the first polarization state, toward the projection portion on an optical path.

Abstract: A light guide member includes an incident portion, an emission portion, a reflection portion, and an inclined portion. An internal reflection angle inside the reflection portion and the emission portion is larger than an incident angle of an external light with respect to a first normal line that is a normal line of the emission portion. A first inclination angle that is an inclination angle of the incident portion with respect to the first normal line is smaller than the internal reflection angle. A height from the emission portion to a second side of the incident portion is larger than a distance between the emission portion and the reflection portion. A second inclination angle that is an inclination angle of the inclined portion with respect to the first normal line is smaller than the internal reflection angle.

Abstract: An optical device introduces light from an outdoor view in a blind spot area hidden by an obstacle. The optical device includes a first reflector that reflects a part of light and transmits another part of the light, and a second reflector placed between a back surface of the first reflector and the obstacle and apart from the first reflector. The second reflector has a reflective surface that reflects light incident from the first reflector toward the first reflector. A light shield is placed at a front surface of the first reflector to block external light incident on and reflected from the front surface of the first reflector. The light shield includes light-shielding plates arranged at an interval in a vertical direction such that each light-shielding plate is horizontal. The first reflector is parallel to the reflective surface of the second reflector and tilted from a vertical axis.

Abstract: A blind spot assist device includes a first optical element and a second optical element. The first optical element reflects a part of incident light having a first angle of incidence at different second angles such that light is incident at the first angle on the first optical element from an outdoor view and reflected at the second angles on the first optical element. The second optical element is positioned to face the first optical element and reflects incident lights having different angles of incidence at a third angle such that lights reflected by the first optical element are incident at the second angles on the second optical element and reflected at the third angle on the second optical element toward a user.