Abstract: Provided is an optical apparatus that includes an illumination assembly which include an extended radiation source emitting radiation with a controllable spatial distribution and telecentric condensing optics, configured to receive and project the emitted radiation with a numerical aperture exceeding 0.3 along a first optical axis onto a field and an imaging assembly that includes a sensor and objective optics configured to image the field along a second optical axis onto the sensor and also a prism combiner positioned between the field and the condensing and objective optics which is configured to combine the first and second optical axes, while reflecting at least one of the optical axes multiple times within the prism combiner.

Abstract: An image display device according to the present disclosure includes: one or more image sources that output a two-dimensional projection image; and one or more image deflection sections that generate a plurality of area images by dividing the projection image from the image source into a plurality of areas at least in a horizontal direction, and deflects and projects, toward a screen having anisotropic diffusion properties, the plurality of area images at respective angles different from each other to partially overlap the plurality of area images with each other on the screen and thereby display images from a plurality of viewpoints.

Abstract: A projector comprises: a light source that projects laser light; a first color filter including a reflective portion reflecting the laser light emitted from the light source, and a transmissive portion transmitting the laser light; a phosphorus plate that converts the laser light reflected from the first color filter into phosphorescent light; a second color filter including color films of different colors through which the phosphorescent light transmits; and a display element that is provided with the laser light transmitted from the first color filter and the phosphorescent light transmitted through the second color filter so as to project an image, wherein the projector can be reduced in volume since the number of lenses used in an optical system can be reduced by shortening an optical path.

Abstract: A color wheel module and a projector are provided. The projector includes the color wheel module, and the color wheel module includes a disk, an isolation framework, an assembly member, and a colloidal filler. The disk is configured to rotate around an axis. The isolation framework and the assembly member are disposed on the disk. The isolation framework is located between the disk and the assembly member. An air layer is formed between the disk, the assembly member and the isolation framework. The colloidal filler is disposed on the assembly member.

Abstract: The present disclosure relates to a vibrating mirror adjustment apparatus, system and method, and a projector. The vibrating mirror adjustment apparatus includes: an image feature acquiring module, an image identifying module, a resolution extracting module, and a vibrating mirror control module. The vibrating mirror adjustment apparatus identifies the category of the projected image and the resolution information corresponding to the projected image based on the acquired information feature of the projected image, then identifies whether vibration of the vibrating mirror is used to improve a resolution of an image, and further automatically controls the on or off state of the vibrating mirror, such that an optimal projection display effect is achieved, and visual enjoyment of a user is greatly improved.

Abstract: A light emitting apparatus according to the present disclosure includes a first layer made of a semiconductor monocrystal, a second layer provided at the first layer and having a crystal orientation not continuous with the crystal orientation of the first layer, and a columnar crystal structure including a light emitting layer and extending from the second layer.

Abstract: A filming apparatus installed in an interior of a vehicle to film images reflected on a windshield glass is provided. The apparatus may include a polarizing filter provided on a front surface or a rear surface of a lens, or a front surface of an image sensor, a transmission factor of the polarizing filter being lower at a first point than a second point, where reflected light is input from a portion of the windshield glass at the first point and a shimmering occurs at the first point.

Abstract: An optical system (300) includes an optical modulation element (103) to reflect an incident light (250) in a different direction, and an illumination optical system (301) through which light emitted from a light source (101) is emitted toward the optical modulation element (103). The illumination optical system (301) includes a lens array (14A, 14B), a lens (15) disposed in an order listed from an upstream side of an optical path, and a shielding part (50) disposed upstream from the lens (15) on the optical path. The shielding part (50) shields light incident on an effective diameter of the lens (15). In a direction perpendicular to an optical axis of the light emitted from the light source (101), the optical axis (101A) is shifted from a center position (15M) of the effective diameter of the lens (15) in an opposite direction with reference to the shielding part (50).

Abstract: An illumination device includes a light source, a pair of wedge prisms, and a driving portion. The pair of wedge prisms deflect incident light. The driving portion includes a gear and a gear, and causes the pair of wedge prisms to rotate about a rotation axis by using the gear and the gear. The pair of wedge prisms include a wedge prism held by a barrel and a wedge prism held by a barrel. The barrel is disposed inside the barrel. A gear whose center axis is the rotation axis is provided on an outer periphery of the barrel. A gear whose center axis is the rotation axis is provided on an inner periphery of the barrel. The gear is disposed on an outer peripheral side of the gear and meshes with the gear. The gear is disposed on an inner peripheral side of the gear and meshes with the gear.

Abstract: A wavelength conversion element includes a substrate, a wavelength conversion layer and a heat dissipation member. The substrate has a supporting surface. The wavelength conversion layer is disposed on the supporting surface. The heat dissipation member is disposed on the supporting surface and is surrounded by the wavelength conversion layer. The heat dissipation member has a heat dissipation plate and a plurality of heat dissipation tooth portions. The heat dissipation plate is fixed on the supporting surface. The heat dissipation plate has an outer side surface. The outer side surface is perpendicular to the supporting surface. The heat dissipation tooth portions are respectively connected to the outer side surface. A projection device including the wavelength conversion element is also provided. The wavelength conversion element can improve wavelength conversion efficiency and reliability, and the projection device can improve image brightness and service life.

Abstract: A projection lens unit of the present disclosure is a projection lens unit that enlarges and projects image light output from an image forming unit onto a projection target, the image light including first light and second light having a longer wavelength band than the first light. The projection lens unit includes a plurality of lenses coated with a first antireflection coating, and a wavelength selection filter having a first region in a center of the wavelength selection filter through which an optical axis passes and a second region around the first region. In the wavelength selection filter, a transmittance of the first light in the second region is lower than a transmittance of the first light in the first region.

Abstract: A system and method for displaying a 3D image with depths, which utilize at least one light signal generator to sequentially generate multiple light signals(S100) and at least one optical assembly to receive the multiple light signals from the at least one light signal generator, and project and scan the multiple light signals within a predetermined time period to display the 3D image in space(S200). Each pixel of the 3D image is displayed at a position by at least two of the multiple light signals to a viewer's eye, paths or extensions of the paths of the at least two light signals intersects at the position and at an angle associated with a depth of the pixel, and the predetermined time period is one eighteenth of a second. Accordingly, the advantages of simplified structure, a miniatured size, and a less costly building cost can be ensured.

Abstract: A light engine includes an image surface, a projected light surface, a projection lens assembly, and a plurality of folding elements. The image surface has three image areas. The projected light surface has three light sources that provide light with different wavelengths. The plurality of folding elements are arranged along a light emitting axis. The image surface and the projected light surface are substantially in parallel with the light emitting axis, and there is an air gap located between the image surface and the projected light surface. The three light sources respectively correspond to the plurality of folding elements and respectively correspond to the three image areas, and the light emitting axis and the projection lens assembly are disposed on the same optical path.

Abstract: The disclosure provides a projection lens module and a projector having the projection lens module, which may effectively suppress the shaking of the projection lens. The projection lens module includes two casings, a projection lens and a carrier structure. The projection lens is disposed between the two casings. The carrier structure includes a bracket, at least one screwing member, and two buffer members. The bracket has at least one aperture, and the screwing member passes through the aperture to lock the bracket to the projection lens. A diameter of the aperture in a first direction is greater than a diameter of the aperture in a second direction perpendicular to the first direction. The two buffer members are respectively disposed on opposite ends of the bracket and lean against the two casings in the first direction, respectively.

Abstract: An optical engine module and a projection device are provided. The optical engine module includes a first prism, a light valve, a second prism, and a light-shielding element. The first prism is disposed on a transmission path of an illumination light beam. The light valve is disposed on the transmission path of the illumination light beam from the first prism. The light valve has a reflection surface suitable for converting the illumination light beam into an image beam. The second prism is located between the first prism and the light valve, and is disposed on the transmission path of the illumination light beam from the first prism and on a transmission path of the image beam from the light valve. The light-shielding element is located between the first prism and the second prism.

Abstract: A projection system, comprising a light modulation device, a light source system and a light offset device. The light source system is used for emitting one or more illumination sub-beams. The light modulation device is used for modulating illumination light according to image data to form image light, the image light being used for displaying an image corresponding to the image data. The light offset device is used for transferring one illumination sub-beam to each zone of a micro-mirror unit by means of a time sequence such that the micro-mirror unit modulates the illumination sub-beam by means of a time sequence to form image light of a pixel corresponding to each zone, wherein each zone corresponds to one pixel of an image.

Abstract: A light source system and a projection apparatus are provided. The light source system includes a first light source, a second light source including a second blue laser light source, a wavelength conversion element configured to convert second blue laser light into excited light, and a controller. The first light source includes a first blue laser light source configured to emit first blue laser light, a red laser light source configured to emit red laser light, and a green laser light source configured to emit green laser light. The controller controls the first and second blue laser light sources, the red laser light source, and the green laser light source to combine the first blue laser light, the red laser light, and the green laser light to form light source light, or to combine the first blue laser light and the excited light to form the light source light.

Abstract: An imaging system including a housing, a light-splitting element, a light valve module, and a compensation module is provided. The light valve module is disposed on a transmission path of an illumination beam and is configured to convert the illumination beam into an image beam. The light-splitting element is disposed on the transmission path of the illumination beam and is configured to reflect the illumination beam and allow the image beam to pass through. The compensation module is disposed between the light valve module and the light-splitting element. The compensation module includes a carrier element and a compensation element. The carrier element includes a slot. The carrier element is configured to rotate around a rotation axis. The compensation element is disposed in the slot and is located on the transmission path of the illumination beam and a transmission path of the image beam.

Abstract: An illumination system and a projection device are provided. The illumination system includes a first laser light source providing a first laser light, a wavelength conversion module, a first light splitting element and a microlens array. When the first laser light is incident to at least one non-conversion region of the wavelength conversion module, the first laser light forms a first color light. When the first laser light is incident to at least one wavelength conversion region of the wavelength conversion module, the first laser light forms at least one second color light. The microlens array is located on a transmission path of the first color light and the at least one second color light, and the first color light and the at least one second color light form an illumination light after passing through the microlens array.

Abstract: An illumination system, configured to provide an illumination beam, is provided. The illumination system includes a first excitation light source, a wavelength conversion element, and a controller. The first excitation light source is configured to provide a first excitation beam. The wavelength conversion element is located on a transmission path of the first excitation beam. The wavelength conversion element includes multiple wavelength conversion regions and multiple non-wavelength conversion regions. The controller controls whether the first excitation light source emits light. During a first time interval, the controller turns off the first excitation light source. During a second time interval, the controller controls the first excitation light source to emit light. The first excitation beam is transmitted to one of the wavelength conversion regions to form a converted beam. The illumination beam includes the converted beam. Another illumination system and multiple projection devices are also provided.