Abstract: An optical detection system includes a detection part that detects object information as information of an object based on a light reception result of reflected light by reflection of irradiation light on the object, and a processing part that performs processing based on the object information, and the processing part acquires reflectance information of the object as the object information and performs processing of a command designated by the object based on the acquired reflectance information.

Abstract: An optical detection device includes: an irradiation unit that emits irradiation light onto an area formed along a planar area; first and second light receiving units that receive reflection light of the irradiation light reflected by a target object; and a calculation unit that calculates positional information of the target object based on a light reception result of at least one of the first and second light receiving units. A distance between the second light receiving unit and the planar area is shorter than a distance between the first light receiving unit and the planar area, and the first and second light receiving units receive the reflection light that is incident in a direction along the planar area.

Abstract: A lateral electric field liquid crystal display panel is provided which includes a pair of substrates, a liquid crystal enclosed between the pair of substrates, liquid crystal-drive electrodes provided on one of the pair of substrates, a translucent electrostatic shielding layer provided on an exterior surface of at least one of the pair of substrates, and a polarizer disposed on the translucent electrostatic shielding layer, and in this liquid crystal display panel, the translucent electrostatic shielding layer has properties not to disappear by a chemical reaction with a material forming the polarizer.

Abstract: An electro-optical device includes an electro-optical panel, a lighting unit that is disposed to overlap with the electro-optical panel in a plan view and that irradiates the electro-optical panel, and a frame-shaped holding member that has an adhesive layer for holding the electro-optical panel and the lighting unit. The holding member is provided at an outer peripheral end surface of the electro-optical panel and an outer peripheral end surface of the lighting unit, and fixes the electro-optical panel and the lighting unit.

Abstract: An optical detection system includes: a detecting section which detects position detection information on an object on the basis of a light reception result of reflection light reflected from the object; and a processing section which performs a process on the basis of the position detection information. The processing section performs at least one command process using X coordinate information and Y coordinate information on the object, in a case where it is detected that a Z coordinate range of the object from a target surface is in a first Z coordinate range, and performs a process for a hovering operation using the X coordinate information and Y coordinate information on the object, in a case where it is detected that the Z coordinate range is in a second Z coordinate range which is distant from the target surface compared with the first Z coordinate range.

Abstract: An optical detection system includes: a coordinate information detecting section which detects coordinate information of an object on the basis of a light reception result of reflection light obtained by reflecting irradiation light from the object; and a calibrating section which performs a calibration process for the coordinate information. The coordinate information detecting section detects at least Z coordinate information which is the coordinate information in a Z direction in a case where a detection area which is an area where the object is detected is set in a target surface along an X-Y plane, and the calibrating section performs the calibration process for the Z coordinate information.

Abstract: An optical position detection apparatus detects the position of a target object based on the result of the light reception through a light receiving unit when a light source is turned on. In a front-side housing portion of a housing of an optical unit, a reflection unit for generating a default light that makes the default light be incident to the light receiving unit is configured even in a state where a target object is not present. Accordingly, the initial setting of the relationship between a drive current in the light source unit and a light intensity in the light receiving unit can be appropriately performed based on the result of receiving the default light.

Abstract: An optical position detection apparatus detects the position of a target object in a Z-axis direction and the position of the target object in an X-axis direction based on the result of the light reception in a light receiving unit when light source units that are spaced apart in the X-axis direction are sequentially turned on and the result of the light reception in the light receiving unit when light source units that are spaced apart in the Z-axis direction are sequentially turned on among a first light source unit, a second light source unit, and a third light source unit. The emission directions of the detection lights in the first light source unit, the second light source unit, and the third light source unit are equal to one another in the Z-axis direction.

Abstract: A projection display system includes: an image projection device projecting an image on a projection surface; an optical detecting device; and an attaching device, wherein the optical detecting device includes an irradiating section emitting an irradiation light toward a detection region which is set along the projection surface, a light receiving section receiving a reflected light generated as a result of the irradiation light being reflected from the object, and a detecting section detecting position information of the object based on the result of the light received by the light receiving section, and the attaching device includes a first attaching section attached to a support supporting the attaching device, a second attaching section attached to the image projection device, and a third attaching section attached to the optical detecting device.

Abstract: An optical position detection device includes a first detection light source unit that outputs a detection light from one side to the other side in a first direction, a second detection light source unit that is separated from the first detection light source unit along a second direction crossing the first direction, and outputs a detection light from the one side to the other side in the first direction, a light detection unit having sensitivity toward the other side in the first direction, and a position detection unit that detects the position of the object based on the light reception in the light detection unit.

Abstract: In an apparatus with a position detection function, a position detecting section detects the position of a target object on the basis of a result obtained by receiving detection light, which is emitted from a light source section for detection and reflected by the target object, using a light detection section. As seen from an emitting direction of the detection light, the light detection section is located inside a region surrounded by a closed circuit passing through a plurality of the light source sections for detection or inside a region pinched by the plurality of light source sections for detection. The plurality of light source sections for detection has a first light-emitting element, and a second light-emitting element located closer to the light detection section side than the first light-emitting element. The light source driving section alternately turns on the first light-emitting element and the second light-emitting element.

Abstract: An optical position detecting device includes a plurality of light source sections which emits detection light, a light detection section which receives the detection light reflected by a target object located in an emitting space of the detection light, a light source driving section which turns on some light source sections among the plurality of light source sections in a first period and turns on, in a second period, light source sections different from the light source sections turned on in the first period, and a position detecting section which detects the position of the target object on the basis of a light-receiving result of the light detection section in the first period and the second period. Each of the light source sections includes a plurality of light-emitting elements arrayed in a direction intersecting the direction of the optical axis of the detection light.

Abstract: In an optical position detecting device, a position detecting section detects the position of a target object on the basis of a result obtained by receiving detection light, which is emitted from a light source section and reflected by the target object, using a light detection section. As seen from an emitting direction of the detection light, the light detection section is located inside a region surrounded by a closed circuit passing through a plurality of the light source sections or inside a region pinched by the plurality of light source sections. The plurality of light source sections has a first light-emitting element, and a second light-emitting element located closer to the light detection section side than the first light-emitting element. The light source driving section alternately turns on the first light-emitting element and the second light-emitting element.

Abstract: An optical position detection device includes: a detecting light source section adapted to emit a detection light beam; a light source drive section adapted to drive the detecting light source section to form an X-coordinate detecting light intensity distribution in which an intensity of the detection light beam varies in an X-axis direction, and a Y-coordinate detecting light intensity distribution in which an intensity of the detection light beam varies in a Y-axis direction intersecting the X-axis direction; a light detection section adapted to receive the detection light beam reflected by a target object; and a position detection section adapted to detect a position of the target object based on a reception intensity in the light detection section.

Abstract: An optical position detection device includes: a light source section adapted to emit a position detection light beam to form a light intensity distribution in which the intensity varies along a reference surface; a light detection section adapted to detect the position detection light reflected by a detection target object located in a detection space in which the light intensity distribution is formed; and a position detection section adapted to detect a position of the detection target object based on a detection value of the light detection section, wherein the light detection section has a light receiving section provided with a light detection surface, and a light blocking section adapted to block a part of the position detection light, and the light blocking section has an opening section disposed between the detection space and the light detection surface with a distance from the light detection surface.

Abstract: A screen device with a light receiving element, the screen device being used in a display device with a position detection function, the display device forming an intensity distribution of a position detection light on a screen surface side of a screen member, the screen surface side on which an image is visually recognized, the display device detecting the position of an object located on the screen surface side of the screen member by detecting the position detection light reflected from the object, the screen device includes: a screen device main body provided with the screen member; and a light receiving element which is formed of a photodiode or a phototransistor fixed to the screen device main body and directs a light receiving section in a direction along the screen surface outside a screen surface in a state in which the screen member is spread.

Abstract: An optical position detector for optically detecting a position of a target object within a detection area, includes: a position-detecting light source unit that emits a position detection light toward the detection area to form an intensity distribution of the position detection light in the detection area; a plurality of light detectors with their central optical axes directed to different areas from each other within the detection area; and a signal processing unit that detects a position of the target object based on the result of receiving, by the plurality of light detectors, the position detection light reflected by the target object in the detection area.

Abstract: An optical information input device adapted to optically detect a position of an object matter in an input area, includes: a first coordinate detection section adapted to detect a first coordinate corresponding to a position of the object matter in a first X-Y plane, which is an imaginary plane in the input area; a second coordinate detection section adapted to detect a second coordinate corresponding to a position of the object matter in a second X-Y plane, which is an imaginary plane distant from the first X-Y plane in a Z direction in the input area; and a three-dimensional information generation section adapted to generate three-dimensional information of the object matter based on the first coordinate and the second coordinate.

Abstract: An apparatus for optically detecting an object position includes: position detection light sources irradiating light onto the object; a light guide plate receiving the light and emitting it onto a detection area to form an intensity distribution in the detection area; a light detector having light receiving portions receiving the light reflected by the object; and a signal processing portion detecting the object position based on the intensity distribution, wherein light incident portions receiving the light and side portions except for the light incident portions are provided on outer periphery side portions of the light guide plate, a light emission surface emitting the light incident from the light incident portions toward the detection area is provided on a plane portion of the light guide plate, and at least a portion of the side portions is an anti-reflection surface.

Abstract: An optical position detecting device for optically detecting a position of a target object within a detection region, includes: a position detecting light source which emits position detecting light; a position detecting light source driving circuit which drives the position detecting light source; a light detector of which a light receiving portion faces the detection region; and a signal processing unit which creates an environment light intensity determining signal corresponding to intensity of environment light within the detection region and a position detecting signal for detecting the position of the target object within the detection region on the basis of a detecting signal of the light detector.