Abstract: A projector is configured to project an image to one side with respect to an installation surface. The projector includes: a housing that is configured to be fixed to the installation surface, a projection section that is built in the housing and configured to project image light from one end of the housing, an adjustment mechanism that is configured to adjust a posture of the projection section with respect to the installation surface, a drive section that is configured to drive the adjustment mechanism, and an operation detecting section configured to detect an input operation corresponding to the adjustment mechanism.

Abstract: An image projection apparatus includes a first light modulation element configured to modulate a first light emitted from a light source and to generate a second light, and a second light modulation element configured to modulate the second light. The first light modulation element is configured to receive the first light onto a modulable pixel area that can modulate the first light, the modulable pixel area including an effective pixel area that can modulate the first light and a peripheral pixel area arranged at the periphery of the effective pixel area. The image projection apparatus further comprises a controller configured to control pixels of the peripheral pixel area such that light from the peripheral pixel area does not reach the second light modulation element.

Abstract: A head-mounted display (HMD) system includes an optical arrangement; at least one moveable image panel, wherein the optical arrangement directs image light from the moveable image panel along a first optical pathway; a fixed image panel, wherein a portion of image light emitted from the fixed image panel is combined with image light of the at least one moveable image panel by the optical arrangement; and an adjustment mechanism that is configured to adjust an interpupillary distance (IPD) of the HMD system by moving the optical arrangement and the moveable image panel relative to the fixed image panel between a first position and a second position corresponding to different IPDs. The adjustment to the IPD maintains the first optical pathway.

Abstract: A lighting apparatus includes an optical member with a diffractive optical element. The optical member is directly fixed on a substrate with plural lighting chips. When the lighting apparatus is applied to a laser diode module, the height and volume of the overall laser diode module are reduced. Consequently, the laser diode module is suitably applied to a small-size device.

Abstract: A wavelength conversion element includes a wavelength conversion layer containing a plurality of phosphor particles and an inorganic binder that bonds the phosphor particles to each other and a substrate that holds the wavelength conversion layer and contains alumina and air cavities. The substrate has an apparent air cavity ratio that is greater than or equal to 10% and smaller than or equal to 30%. The substrate has a median diameter of particles of the alumina that is greater than or equal to 0.1 ?m and smaller than or equal to 1.0 ?m.

Abstract: An external instrument that wirelessly communicates with a projector is allowed to communicate with a communication counterpart other than the projector. A projector includes a projection section, a communication section, which wirelessly communicates with a first apparatus and communicates with a second apparatus, an evaluation section, which determines the destination of communication data received via the communication section, and a control section. In a case where the evaluation section determines that the destination of the communication data is the projector, the control section causes the projection section to project an image based on image data included in the communication data. In a case where the evaluation section determines that the destination of the communication data received from the first apparatus is not the projector, the control section causes the communication section to transmit the communication data to the second apparatus.

Abstract: A light source module and a projection device including the same are provided. A wavelength conversion device of the light source module has at least one wavelength conversion area for converting a blue beam provided by a blue light source into a converted beam, and the converted beam is transmitted to a wavelength selection element so that a first green beam is obtained by the wavelength selection element from at least a portion of the converted beam. According to the blue light source, a red light source, the wavelength conversion device and the wavelength selection element, the light source module provides an illumination beam corresponding to a first display mode or a second display mode.

Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel according to the present invention includes a disc-like substrate, a phosphor layer formed on the substrate, and a plurality of heat dissipation fins overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.

Abstract: [Solving Means] A light source apparatus includes a light source unit, a rotor, and a ventilation structure. The light source unit includes a light source, an optical device that collects light from the light source at a light collecting position, and a housing having an opening at the light collecting position that houses the light source and the optical device. The rotor has a wavelength conversion region that is arranged on a light irradiation region which is irradiated with light, the light being collected at the light collecting position and emitted outside the housing via the opening, the rotor being disposed rotatably about a rotation axis. In the ventilation passage, at least a part of the rotor is arranged.

Abstract: A projector system includes a plurality of projectors, in which a projector A and a projector B, and the projector B and a projector C are connected by a daisy chain method via each of cables, and the projector A outputs control information which controls the projector B or the projector C to the projector B via a data line of the cable along with image data and the projector B extracts and processes the control information input from the data line of the cable.

Abstract: A wavelength conversion element includes a wavelength conversion layer having a first surface which excitation light enters, and a second surface opposed to the first surface, and adapted to perform wavelength conversion on the excitation light, a substrate disposed so as to be opposed to the second surface, and a bonding layer adapted to bond the wavelength conversion layer and the substrate to each other, and the bonding layer has a first bonding material disposed in a first region opposed to an incident area of the excitation light in the second surface, and a second bonding material disposed in at least a second region located on an outer periphery of the first region and lower in Young's modulus than the first bonding material.

Abstract: A projector device includes an illumination module and an imaging module. The imaging module is connected to the illumination module and includes a housing, a relay optical system, and a projection optical system. The housing has a first annular receiving groove and a second annular receiving groove. The first annular receiving groove is closer to the illumination module than the second annular receiving groove. A center axis line of the first annular receiving groove and a center axis line of the second annular receiving groove are on the same axis line. The relay optical system includes a lens received in the first annular receiving groove. The projection optical system includes a lens and a reflecting mirror received in the second annular receiving groove. Mirror centers of the lenses and a mirror center the reflecting mirror are located on the same axis line.

Abstract: Disclosed is a head mounted display device, the head mounted display device according to an exemplary embodiment of the present invention may comprise: a prism for changing a path of incident light and then emitting the incident light, the prism having therein a reflection-transmission surface for reflecting or transmitting the incident light; and a camera module of which a lens is disposed in a direction that faces the prism.

Abstract: A head-up display device displays a virtual image in front of a vehicle, and includes a memory configured to store a program, and a processor. The processor is configured to execute the program and perform a process that includes acquiring information related to a target object recognized from image data received from an imaging device that captures a view in front of the vehicle, generating a projection image to be projected as the virtual image, determining a display position of the projection image along a traveling direction of the vehicle, based on the information related to the target object, using the target object as a reference, transforming the projection image into a support image viewed from a predetermined direction, and projecting the support image in front of the vehicle.

Abstract: The present invention provides a projection method, equipment and system for achieving short focal length circular-screen output based on multiple optical machines. The projection method includes: setting a plurality of optical machines corresponding to one visual plane; calculating a value range of a throw ratio of the optical machines corresponding to the visual plane according to a percentage of a fusing zone formed when projection of the optical machines intersects each other and is projected to the corresponding visual plane and an expected screen ratio; obtaining setting parameters of each optical machine based on the value range of the throw ratio of each optical machine; and obtaining a spatial position and a rotation angle range for when the optical machines are projecting based on the setting parameters of the optical machines and a projection area of an optical path coverage range of the optical machines on the corresponding visual plane.

Abstract: A mirror is comprised of a reflective film including a flexible polymer with a reflective coating, at least one magnet attached to the reflective film, a motor configured to rotate the reflective film wherein the reflective film is secured to the motor, and at least one electromagnet configured to receive an applied voltage. The mirror further comprises a first flexible support layer to increase the rigidity of the reflective film during curvature change and a second rigid support layer to prevent the reflective film, first support layer, and at least one magnet from contacting the at least one electromagnet.

Abstract: A contact lens contains an inward pointing camera, which will be referred to as a retinal camera since it images light reflected from the retina. These can be reflections of physical features of the retina, of images of an external scene imaged by the eye onto the retina, or images projected onto the retina for example from small projectors contained in the contact lens (femtoprojectors). The field of view (FOV) of the retinal camera is sufficiently large that these reflections can be tracked relative to each other and/or relative to their position within the retinal camera's FOV. This information can be processed to track eye gaze and movement relative to the outside world, to align images from the femtoprojector with the eye and/or to align images from the femtoprojector with images from the outside world, among other tasks.

Abstract: A structure of projection light string is disclosed, comprising a power plug body, a light string power line, an electronic device and multiple projection devices installed in suspension over the light string power line, wherein the electronic circuit device is electrically connected to the power plug body and the light string power line, and further electrically connected to the projection devices by way of the power circuit within the light string power line; in addition, the inside of the projection device includes a projector capable of projecting images toward outside and a controller electrically connected to the projector, so that, after the electronic circuit device having transferred at least a projection time parameter and at least a projection mode parameter to the controller of each projection device, the controller can control the projection operations of the projector in accordance with the received projection time parameter and projection mode parameter.

Abstract: The present invention provides a display device including a display panel and a haze layer. The display panel includes a plurality of pixels and a color determining surface. The orthogonal projection of each of the plurality of pixels onto the color determining surface forms a plurality of adjacent pixel ranges. The haze layer is disposed on a side of the color determining surface and has a haze surface facing away from the color determining surface. The haze layer has a scattering coefficient ranging from ?1.4 to 0. The haze surface includes a first location corresponding to the center of the first pixel range, and a second location corresponding to a location away from the first edge towards the second pixel range wherein the distance therebetween ranges from 87 ?m to 174 ?m.

Abstract: A projector includes a display section configured to display an image on a display target object, a detection section configured to detect the position of a user, and a control section configured to control the orientation of the image in accordance with the direction from the position of the user toward a reference point.