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WO/2023/196195A1 |
Methods and apparatus for mitigating speckle on an image projection screen are disclosed. A non-contact shaking or vibrating of the projection screen may be achieved using lightweight material. For example, magnetic material such as iron...
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WO/2023/185081A1 |
A laser projection device, comprising a light source, an optical machine, a lens and a mainboard. The light source comprises a housing, an adapter board and at least one laser assembly. The adapter board comprises a board body and a holl...
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WO/2023/186324A1 |
A multicolored optical assembly (10) for providing a highlighter light beam (40) of steered light to a first intermediate target image (62), comprising a baseline optical path (14) generating a baseline light beam (42), the multicolored ...
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WO/2023/188533A1 |
This optical path changing device has: an optical member; a first support member for supporting the optical member; a second support member for supporting the first support member to be capable of swinging about a first swing center line...
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WO/2023/189351A1 |
The present invention enables dimming and color adjustment, and improves color rendering. In a light source system (100), a first light source device (1) includes a first laser light source and emits first light (L1) of a first wavelengt...
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WO/2023/189620A1 |
An image generation device (12) comprises: an image generation part (123) that generates an image; a prism (124) having an incidence surface (124a) on which at least part of light emitted from the image generation part (123) is incident,...
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WO/2023/185695A1 |
An extendable/retractable platform (000), comprising: a fixing bracket (100), a bearing box (200), a first driving assembly (300), a sliding assembly (400), and a translation assembly (500). The fixing bracket (100) in the extendable/ret...
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WO/2023/190196A1 |
Provided is a display system for rear projection which is capable of improving the visibility of a video and uses a transparent screen in which the background is visible. The display system comprises: a projection device for emitting vid...
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WO/2023/184984A1 |
A laser projection device, comprising a light source, an optical machine and a lens, wherein the light source comprises at least one laser, at least one light combination lens group, and a first reflecting mirror; the at least one light ...
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WO/2023/185768A1 |
A projection light source (10) and a projection apparatus. A second light-emitting region (Q2) and a third light-emitting region (Q3) of a laser (101) in the projection light source (10) are located on the same side of a first light-emit...
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WO/2023/185784A1 |
A laser and a laser projection device, relating to the technical field of photoelectricity. The laser comprises: a frame (100); the frame (100) comprising a bottom plate (101) and an annular side wall (102) located on the bottom plate (1...
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WO/2023/187938A1 |
This light source device comprises: a first laser light source unit that emits first color light having a first polarization direction; a second laser light source unit that emits first color light having a second polarization direction ...
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WO/2023/190134A1 |
The present invention addresses the problem of providing a rear projection display system that uses a transparent screen through which a background is visible, and that makes a projected image highly visible. The problem is solved by the...
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WO/2023/190125A1 |
The present invention provides a rear projection display system which uses a transparent screen enabling a background to be visible and with which image visibility can be improved. The rear projection display system includes a projecti...
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WO/2023/184752A1 |
An optical projection system and an electronic device. The optical projection system comprises, from an amplification side to a reduction side, a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), a fifth lens (5), a...
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WO/2023/188532A1 |
This optical path changing device includes: an optical member; a first support member that supports the optical member; a second support member that supports the first support member so as to be swingable about a first swing center line;...
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WO/2023/181311A1 |
This display device is provided with a light source, an optical engine that forms image light to be displayed on a display surface on the basis of light from the light source, a power supply board (4) for driving the light source and the...
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WO/2023/181500A1 |
This mirror-type projection screen comprises a half-mirror film and a transparent screen layer laminated on one surface of the half mirror film. The transparent screen layer comprises a matrix component having light diffusion fine partic...
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WO/2023/179869A1 |
An electronic communication device (1) is provided. The electronic communication device (1) comprises an image source (2), which is configured to generate modulated light (5), forming an image (6). Moreover, the electronic communication ...
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WO/2023/179188A1 |
Disclosed are a projection optical machine, a display device, and a vehicle, relating to the technical field of image display. The projection optical machine comprises a first light homogenizing device (1), a red and green light providin...
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WO/2023/182411A1 |
A screen 10 is a reflection-type screen and comprises: a lens layer 13 of which a surface side, in a thickness direction of the screen 10, upon which image light is projected is a first surface side and a reverse surface side is a second...
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WO/2023/181598A1 |
This display device (70) comprises: a display body (12) having a plurality of screens (62) stacked therein, wherein the plurality of screens (62) each include a plurality of pixels arranged in the in-plane direction, and each of the plur...
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WO/2023/181854A1 |
Provided are an information processing device, an information processing method and an information processing program wherein user's convenience related to selection of the type of a projection device that is to be installed can be impro...
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WO/2023/176022A1 |
A projection screen 1 comprises a light diffusion control film 10 having an incident light diffusion angle region. When the projection screen 1 is installed so as to be perpendicular to the ground, the incident light diffusion angle regi...
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WO/2023/177473A1 |
A system includes a feedback loop that includes a light engine to generate light, a light engine controller (502) to control operation of the light engine, a scanning device (504) to scan a light beam across a range of scan angles to an ...
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WO/2023/175137A1 |
The invention relates to a device comprising an LED powered by an electric current (I) and arranged to illuminate an image to be projected, and also to an image change module that makes it possible to replace the image to be projected wi...
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WO/2023/171222A1 |
A projection screen 1 comprising: a first light-scattering layer 11; a light diffusion control layer 10 laminated on one side of the first light-scattering layer 11, the light diffusion control layer 10 having a regular internal structur...
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WO/2023/168861A1 |
An optical projection system, comprising: a light source module (1) and a projection module (20). The light source module (1) has a light exit surface (10). The projection module (2) comprises an entrance pupil (21), an optical path proc...
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WO/2023/159545A1 |
A projection device, comprising: a light source assembly (10); a polarizing assembly (20) , which is provided on a light-emitting side of the light source assembly (10) and used for converting light emitted by the light source assembly (...
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WO/2023/162688A1 |
The present invention provides a control device, a control method, and a control program that make it possible to precisely adjust a projection position. A processor (51) determines the continuity of a projection image of a first image...
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WO/2023/161354A1 |
The invention relates to a light module (2) comprising a light source (6); a disc (8) having a plurality of slides (8.1) capable of being arranged, selectively, by rotation of the disc about an axis of rotation opposite the light source ...
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WO/2023/162637A1 |
When performing spatial light phase modulation of a plurality of beams of light having differing wavelength bands so as to obtain a reproduced image in each wavelength band, the present invention realizes an improvement in the brightness...
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WO/2023/159818A1 |
An optical engine plate and an optical projector engine. The optical engine plate is applied to the optical projector engine. The optical engine plate comprises: a metal plate (1), wherein the metal plate (1) is provided with a first sur...
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WO/2023/155450A1 |
A projection device (100) and method. The projection device (100) comprises: a pixel array (102) provided on a substrate (101), the pixel array (102) having a light-emitting characteristic; a cantilever beam (1031) arranged on the substr...
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WO/2023/153487A1 |
This dimming device comprises: a sheet unit that comprises a dimming sheet; and a control unit that controls the application of voltage to the sheet unit. Processes executed by the control unit include: setting the dimming sheet to a fir...
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WO/2023/151764A1 |
The invention relates to a projection display comprising at least one light source (1) having at least one composite assembly (2) consisting of at least two individual optical channels (K), each of which is formed from a respective spati...
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WO/2023/149536A1 |
This prism group comprises a TIR prism and an imaging light reflecting prism. The TIR prism: reflects illumination light supplied by an illumination optical system and guides the illumination light to an optical modulation element; trans...
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WO/2023/148974A1 |
An image display device comprises: a light-modulating element having an image-forming surface that modulates light to form an image; a prism facing the light-modulating element; a fixed plate fixed to the prism; a first movable plate con...
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WO/2023/149537A1 |
The projection imaging optical system according to the present disclosure is used for a projection-type image display device. The present invention comprises: a projection lens that forms a first image on a first plane using a light beam...
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WO/2023/149345A1 |
An image generation unit comprising: three light modulation elements that are a first light modulation element, a second light modulation element, and a third light modulation element and modulate light on the basis of an image signal to...
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WO/2023/142678A1 |
A projection position correction method, a projection localization method, a control device, and a robot. After a motion mechanism is controlled to travel to a first localization point of projection, an image acquisition device is contro...
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WO/2023/145112A1 |
An image display device according to one embodiment of the present technology is provided with a light source, an image generation unit, and a projection optical system. The image generation unit modulates light emitted from the light so...
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WO/2023/143720A1 |
The invention relates to a dia (100) for an automotive dia projection system (1000) comprising a transparent substrate (1) with an opaque coating (2) in portions thereof, thereby forming a binary pattern (10) for projection. According to...
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WO/2023/145307A1 |
Provided is a wire-grid polarizer comprising: a transparent substrate; and lattice-shaped protrusions which, on one surface of the transparent substrate, extend in prescribed direction and are arrayed at a pitch which is shorter than the...
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WO/2023/143008A1 |
A projection lens (10), a projection device (100), and a vehicle. The projection lens (10) comprises a first lens group (1), a polarization beamsplitter (3), and a second lens group (2) which are sequentially arranged from a projection s...
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WO/2023/144579A1 |
The present invention consists of a back projection screen that allows the awake patient to move the head and neck freely and yet be able to look at the images that are displayed during surgery, but at the same time allows a surgery crew...
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WO/2023/143616A1 |
An optical waveguide module and an AR display apparatus, the optical waveguide module comprising: a light source structure and an optical waveguide structure (20). One or more in-coupling structures (30) and one or more out-coupling stru...
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WO/2023/140101A1 |
The present invention enables dimming and toning even when a solid light source, which emits seed light, is not used. A first wavelength conversion unit (3) includes a first wavelength conversion element which can generate first spontane...
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WO/2023/137951A1 |
Provided in the present application is an atmosphere image projection apparatus. The atmosphere image projection apparatus comprises: a light source assembly, and a first projection mechanism and a second projection mechanism, which are ...
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WO/2023/140907A1 |
Examples are disclosed that relate to compact optical systems comprising SLMs. One example provides a projection system comprising an illumination stage including a light emitting diode (LED) array. The LED array comprises a plurality of...
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