Abstract: A light source apparatus according to the present disclosure includes a first light source including a plurality of first light emitters arranged in a single row along a first direction, a second light source including a plurality of second light emitters arranged in a single row along a second direction, and a polarization combiner. The polarization combiner transmits the first luminous flux from the first light source and reflects the second luminous flux from the second light source. In an imaginary plane perpendicular to the center axis of the combined luminous flux, the direction in which the plurality of first beams are arranged in the single row and the direction in which the plurality of second beams are arranged in the single row intersect with each other, and the first luminous flux and the second luminous flux partially overlap with each other.

Abstract: An electronic device includes a fixing object member, a case including a fixing target portion that includes a wall portion having a dovetail-shaped engaging target portion and to which the fixing object member is fixed, and a closing member including a dovetail-shaped engagement portion configured to be brought into engagement with the dovetail-shaped engaging target portion and in which an inner circumferential surface thereof is brought into abutment with an outer circumferential surface of the fixing object member and an outer circumferential surface thereof is brought into abutment with an inner circumferential surface of the wall portion.

Abstract: A laser projection apparatus includes a laser light source, a diffusion wheel including a motor and a diffusion portion, a diffusion wheel driving circuit, a switch circuit and a main control circuit. The main control circuit is configured to sequentially output first and second startup PWM signals in response to a startup instruction. The diffusion wheel driving circuit is configured to drive the motor to drive the diffusion portion to rotate in response to the second startup PWM signal. The main control circuit is configured to obtain a rotation speed of the motor, and output an operating PWM signal and a first switch signal when the rotation speed reaching a target rotation speed is determined. The diffusion wheel driving circuit is configured to drive the motor to drive the diffusion portion to rotate in response to the operating PWM signal.

Abstract: A first holding member holds a first optical system and a first mirror, and has a first junction surface. A second holding member holds a second optical system and a second mirror, and has a second junction surface. A junction portion is configured such that, in a state where the first junction surface and the second junction surface are aligned with each other, the second holding member is capable of being shifted in a direction of both the junction surfaces and rotated around an optical axis, and makes it possible to perform optical axis alignment. An emission-side optical axis of the first optical system and an incidence-side optical axis of the second optical system are aligned with each other, and thus a U-shaped optical path is formed by the first and second optical systems.

Abstract: A projection display system, including light emitting device, light splitting device, first, second and third light modulators. The light emitting device emits first light and second light in time sequence. The light splitting device splits the first and second light into first and second wavelength range light along first and second optical paths, respectively, and guides part of the second light along the first optical path. The first and second light modulators modulate the light along the first and second optical paths, respectively; the light modulated by the first and second light modulators is combined to obtain third light along third optical path. The third light modulator is in optical path between the light emitting device and the light splitting device and modulates the first and second light from the light emitting device; or the third light modulator is in the third optical path and modulates the third light.

Abstract: In the subject matter described herein, a method, device and computer program product for controlling the projector are proposed. According to the method, the application for controlling the project can be started. The application can determine the operation mode by determining whether the current host device is the projector or a terminal device for controlling the projector. Once the operation mode of the application is determined, the method can control the projector based on the operation mode and via the application service operating on the projector. The application service can provide an interface for controlling a device driver of the projector.

Abstract: The invention provides an illumination system and a projection device with the illumination system. The illumination system is configured to provide an illumination beam, and includes a coherent light source, a first and a second optical module, a first and a second diffuser element. A coherent beam emitted by the coherent light source is focused on a first position through the first optical module, and the first diffuser element is located at or near the first position. The coherent beam from the first diffuser element is focused on a second position through the second optical module. The second diffuser element is located on a transmission path of the coherent beam from the second optical module, and located at or near the second position. The coherent beam sequentially passes through the first diffuser element, the second optical module and the second diffuser element to form the illumination beam.

Abstract: An illumination device of the present disclosure includes: a first light source unit that emits first light of a first wavelength band; a first spatial light modulator where the first light from the first light source unit enters; a second light source unit that emits second light of a second wavelength band; an integrator optical system including a first fly-eye lens where the second light from the second light source unit enters and generating illumination light for an illumination target on a basis of the first light having been modulated by the first spatial light modulator and the second light from the second light source unit; and a multiplexing optical system that multiplexes the second light having entered the first fly-eye lens and the first light having been modulated by the first spatial light modulator, in an optical path between the first fly-eye lens and the illumination target.

Abstract: Four of laser light source sections each includes a semiconductor laser. Any two of the laser light source sections are disposed in an imaginary plane perpendicular to the center axis of a luminous flux and on a first imaginary line that intersects with the center axis so as to face each other with the center axis sandwiched between the two laser light source sections, and other two of the laser light source sections are disposed on a second imaginary line perpendicular to the first imaginary line so as to face each other with the center axis sandwiched between the two laser light source sections. The laser light source sections are at the same distance from the center axis. The first light, the second light, the third light, and the fourth light are each linearly polarized light and have the same polarization direction.

Abstract: A projector includes a light source module, a light valve, and a projection lens. The light source module is adapted to provide an illumination light beam and includes a base having first and second side surfaces, first and second color light-emitting units respectively disposed on the first and second side surfaces, and first and second heat dissipation structures respectively connected to the first and second color light-emitting units. The first and second heat dissipation structures are separated from each other and define an accommodation space together. The light valve is located on a transmission path of the illumination light beam and adapted to convert the illumination light beam into an image light beam. The projection lens is located on a transmission path of the image light beam and adapted to project the image light beam.

Abstract: A light source apparatus according to an aspect of the present disclosure includes a first light source section, a second light source section, a first polarization separator, a second polarization separator that reflects part of second light and transmits the other part of the second light, a first phase retarder which is disposed between the first polarization separator and the second polarization separator and on which the part of the second light reflected off the second polarization separator is incident, a wavelength conversion layer that converts the first light and the part of the second light into third light having a second wavelength band and outputs the third light toward the first polarization separator, and a first light focusing optical system disposed between the wavelength conversion layer and the first polarization separator. The wavelength conversion layer has a first surface via which the third light exits and a second surface that intersects with the first surface.

Abstract: A near-eye display device and a near-eye display method are provided. In the near-eye display device and method, displaying a first image and a second image in different time periods by using a display portion; converting light of the first image to first linearly polarized light and converting light of the second image to second linearly polarized light by using a polarization conversion portion, a polarization direction of the first linearly polarized light being different from that of the second linearly polarized light; receiving the first linearly polarized light and the second linearly polarized light, and causing them to be emitted towards different directions by using a polarization splitting portion; and transmitting the first linearly polarized light and transmitting the second linearly polarized light by using an image light transmission portion.

Abstract: A vehicular exterior rearview mirror assembly includes a mirror reflective element and an illumination module that includes an illumination source and a freeformed lens optic. When the illumination source is operated to emit light, emitted light passes through the freeformed lens optic. The freeformed lens optic is configured such that, with the vehicular exterior rearview mirror assembly mounted at a side of a vehicle, light emitted by the illumination source that passes through the freeformed lens optic provides ground lighting that illuminates a ground region located at the side of the equipped vehicle. The ground lighting includes (a) ground illumination of the illuminated ground region and (b) within the ground illumination of the illuminated ground region, a logo formed by the freeformed lens optic. The logo formed by the freeformed lens optic has a light intensity greater than any light intensity of the ground illumination of the illuminated ground region.

Abstract: A light source device according to the present disclosure includes a light source unit configured to emit a first light beam, a second light beam, and a third light beam, a first polarization split element configured to transmit the first light beam and the second light beam and reflect the third light beam, a second polarization split element configured to transmit the first light beam and reflect the second light beam, a first retardation element, a first diffusion element configured to diffuse the third light beam, a second diffusion element configured to diffuse the second light beam, and a third diffusion element configured to diffuse the first light beam. The first retardation element converts a polarization direction of the second light beam from the first polarization split element, and converts a polarization direction of the another part of the second light beam from the second polarization split element.

Abstract: This disclosure relates to an automotive glass display. An example vehicle includes a projector configured to project light, and a glass panel including a first layer of glass, a second layer of glass, a first layer of polyvinyl butyral (PVB), and a second layer of material. The first layer of PVB is configured to diffuse light from the projector, and the second layer of material is configured to reduce glare. Other example glass panel arrangements are also disclosed.

Abstract: A light source apparatus according to an aspect of the present disclosure includes a light source section that outputs light belongs to a first wavelength band, a wavelength converter that converts the light that belongs to the first wavelength band into light that belongs to a second wavelength band different from the first wavelength band, and a first optical element that reflects the light that belongs to the first wavelength band and transmits the light that belongs to the second wavelength band. A first angle of incidence of the chief ray of the light that belongs to the first wavelength band with respect to a first surface of the first optical element is smaller than 45°, and a second angle of incidence of the chief ray of the light that belongs to the second wavelength band with respect to the first surface is smaller than 45°.

Abstract: An illumination system includes a first light source, a wavelength conversion device, a first light-splitting element, a light-filtering device, and a light-homogenizing element. The first light source provides a first light beam. The wavelength conversion device includes a single wavelength conversion material configured to convert the first light beam into a conversion light beam. The first light-splitting element is disposed on transmission paths of the first light beam and the conversion light beam. The light-filtering device is disposed on the transmission paths of the first light beam and the conversion light beam. The light-homogenizing element is disposed on the transmission paths of the first light beam and the conversion light beam. When the first light beam is transmitted to the light-homogenizing element, the first light beam is not incident on the wavelength conversion device. A projection apparatus including the illumination system is also provided.

Abstract: A method for aligning and merging contents from multiple collaborative workstations. Collaborative workstations are multiple workstations that contribute respective contents to be combined into a single computer-generated output. The content generated from each collaborative workstation is the collaborative content. Individual collaborative content is created from each workstation by a user drawing on a piece of paper that is placed on a workspace surface of the workstation. Collaborative contents contributed by multiple workstations are aligned such that a combined product (i.e., a single computer-generated output) including both virtual and physical content appears to be collaboratively drawn by multiple users on a single piece of paper.

Abstract: A system for forming a homogenized illumination line which can be imaged as a low-speckle line is disclosed. The system includes a laser configured to emit a collimated laser beam; and an illumination-fan generator that includes one or more linear diffusers. The illumination-fan generator is arranged and configured to (i) receive the collimated laser beam, (ii) output a planar fan of diffused light, such that the planar fan emanates from a light line formed on the distal-most one of the one or more linear diffusers, and (iii) cause formation of an illumination line at an intersection of the planar fan and an object.

Abstract: In a first period, an optical apparatus converts first light that exits out of a retardation film into light polarized in a first polarization direction and converts second light that exits out of the retardation film into light polarized in a second polarization direction, and in a second period, the optical apparatus converts the first light that exits out of the retardation film into light polarized in the second polarization direction and converts the second light that exits out of the retardation film into light polarized in the first polarization direction.