108results about "Reflex reflectors" patented technology

An optical reflection assembly, an optical lens module and an electronic device are disclosed. The optical reflection assembly includes a reflection element, a reflection element holder and a structure. The reflection element includes a reflection surface, wherein a light ray is incident on the reflection surface and is turned by the reflection surface. The reflection element holder includes a mounting surface, wherein the mounting surface is arranged corresponding to the reflection element. The structure is made of metal and has a three-dimensional structure. At least a portion of the structure is embedded in the reflection element holder. The structure includes a first support wall, a second support wall and at least one extension wall. The first support wall and the second support wall are bent to form a first bending line and present an angle. The extension wall and the second support wall are bent to form an extension bending line, and the extension bending line is an open line. In this way, the structural rigidity and the assembly reliability can be improved.

An aerial video display device according to the present invention comprises a first aerial display unit (DU1) and a second aerial display unit (DU2). The first aerial display unit (DU1) includes a first retroreflective material (11A), a first beam splitter (12A), and a first display (13A), and is configured to display a first aerial image (14A) at a position on the first display (13A) in plane symmetry with respect to the first beam splitter (12A). The second aerial display unit (DU2) includes a second retroreflective material (11B), a second beam splitter (12B), and a second display (13B), and is configured to display a second aerial image (14B) at a position on the second display (13B) in plane symmetry with respect to the second beam splitter (12B). The first aerial display unit (DU1) and the second aerial display unit (DU2) are disposed such that the first aerial image (14A) and the second aerial image (14B) are displayed at the same position.

Retroreflective device (5) for a motor vehicle (1), characterized by: - a first reflector (10) comprising a colored first cover plate (11) which is provided with a specifically manufactured retroreflective optic (13) by means of which a first quantity of light (8) directed onto the retroreflective device (5) can be selectively reflected into a retroreflective area (14); and - a second reflector (15) formed separately from and arranged next to the first reflector (10), which comprises a second cover plate (16) having the same color as the first cover plate (11), formed separately from and directly adjacent to the first cover plate (11), which: o is equipped with a specifically manufactured retroreflective optic by means of which a second quantity of the light (8) emitted onto the retroreflective device (5), which is smaller than the first quantity, can be selectively reflected into the retroreflective area (14) or reflection of the light (8) emitted onto the retroreflective device (5) into the retroreflective area (14) is prevented; or ◯ free from a specifically manufactured retroreflective optic for the targeted reflection of light.

To provide a portable space floating image display system capable of suitably displaying images onto the outside of a space so as to contribute to sustainable development goals of "3. good health and well-being for all," "9. building a foundation for industry and technological innovation," and "11. creating sustainable cities."SOLUTION: A space floating image information display system is provided, comprising a housing accommodating a display panel and a light source device, a power supply unit provided with a power supply and coupled to the housing via a first linkage, and a frame structure holding a retroreflective member coupled to the housing via a second linkage.SELECTED DRAWING: Figure 5

The present application belongs to the field of automobile head-up display technology, and relates to a vehicle-mounted head-up display optical film with light scattering function and a preparation method thereof. The present application adopts a heat-sensitive shape memory idea, utilizes the light-sensitive characteristics and shape memory function of a light-heat effect type shape memory material, and sets a dynamic scattering layer scattering part. When the front sunlight is irradiated, the scattering part is raised, so that the sunlight is scattered to other directions through the scattering effect of light. Further, the scattering layer substrate is set as an encapsulated scattering solution. The shape memory material in the scattering solution is deformed and curled when irradiated by sunlight, absorbs and reflects part of the light, thereby further reducing the penetration of sunlight into the display film into the driver's line of sight. Moreover, reflective particles and light-absorbing particles are added in the scattering solution, further reducing the penetration of sunlight into the display film, thereby preventing or reducing sunlight from directly entering the driver's eyes from multiple aspects, and further improving the safety of driving.

This application provides a quantum optical microcavity device modified with fluorinated organophosphonic acid and its fabrication method, relating to the fields of organic chemistry and optical engineering. The quantum optical microcavity device includes a microcavity body and a fluorinated organophosphonic acid monolayer attached to the surface of the microcavity body. A hydrophobic fluorinated organophosphonic acid monolayer is formed on the surface of the microcavity body through a chemical reaction between a mixed solution containing fluorinated organophosphonic acid molecules and the surface of the microcavity body. Since the active head groups of the fluorinated organophosphonic acid can form chemical bonds with –OH and Si–O–Si on the surface of silica through reaction, the adsorption of water molecules from the air onto the –OH and Si–O–Si on the surface of the silica microcavity body can be effectively suppressed, thus improving the Q-value stability of the whispering-gallery mode quantum optical microcavity device.

In a sliding member, a hard material is dispersed in a soft metal matrix to form a surface layer to improve its fatigue resistance. The sliding member has a substrate layer and a surface layer, wherein the surface layer has a metal matrix and a hard material dispersed in the matrix and which is harder than the matrix, the hard material having a slope in its hardness, the slope of which gradually decreases from the inside of the hard material to the surface.

The utility model discloses an electroplating device for processing a bearing intermediate ring, which comprises an electroplating bath, supporting legs are fixedly mounted at the bottom of the electroplating bath, vertical frames are integrally arranged on two sides of the top of the electroplating bath, a first fan is fixedly mounted at the bottom of the electroplating bath, a connecting pipe is fixedly mounted at an output port of the first fan, and a second fan is fixedly mounted at the output port of the connecting pipe. And air guide pipes are fixedly installed at the other ends of the connecting pipes, the air guide pipes are fixedly installed on the opposite faces of the two vertical frames, a plurality of spray heads are fixedly installed on the opposite faces of the two rows of air guide pipes, and a blow-drying assembly is arranged on one side of each vertical frame. The bearing rings on different hooks can be respectively and synchronously electroplated, dried and placed and taken down, the equipment continuously operates, the next electroplating can be carried out without waiting for taking down the bearing after electroplating and drying, the electroplating speed of the bearing rings is effectively improved, and the electroplating of a large number of bearing rings can be quickly completed during the mass production of the bearing.

Low dispersion reflector. A retroreflector comprising a front boundary surface configured for incoming measurement light into the retroreflector, a back boundary surface configured for reflecting the measurement light as reflected measurement light. The front boundary surface and the back boundary surface are arranged on opposite sides of the retroreflector and define an optical axis by the arrangement of the front boundary surface and / or the back boundary surface, wherein an angle of incidence of the measurement light relative to the optical axis is equal to an angle of exit of the reflected measurement light relative to the optical axis. A first optical element comprising the front boundary surface and a second optical element comprising the back boundary surface are provided. The front boundary surface and the back boundary surface are of a curved shape, the first optical element and the second optical element have different shapes and / or sizes, the first optical element is connected to the second optical element, and the retroreflector is configured such that the measurement light entering the retroreflector at the front boundary surface is focused at the back boundary surface.

Optical device designed to display an image of an outside scene of an area of ​​a blind spot (13) to a viewer (10) when an obstacle (12) is within a viewer's field of vision, wherein the optical device comprises: a light guide (2) with an incident surface (2a) onto which outside scene light (LV), coming from the area of ​​the blind spot (13), falls, a first surface (2b) having several flat sections (3) and several prism sections (4), wherein the outside scene light incident from the incident surface first reaches the first surface, and a second surface (2c) which is arranged opposite the flat sections of the first surface; wherein a light-shielding section (51, 52) is arranged on a surface of the light guide or at a position away from the light guide to block an external light (LD) that would enter the light guide, wherein The flat sections of the first surface totally reflect the outside scene light, which propagates within the light guide, towards the second surface. the second surface totally reflects the outdoor scene light, which was reflected through the flat sections, towards the first surface, Each of the prism sections has an exit surface (4a) for emitting outwards a portion of the external scene light incident from the incident surface and a portion of the external scene light reflected by the second surface, and an inclined surface (4b) which is arranged opposite to the viewer with respect to the exit surface. the light-shielding section comprises a first light-shielding section (51) designed to block external light incident on the inclined surface and a second light-shielding section (52) designed to block external light incident on the flat section in a predetermined direction. in a cross-sectional view that includes a normal to the exit surface and a normal to the flat section, θ is an angle formed between the normal to the flat section and a line connecting a center of a predetermined exit surface and an eye point center (15) of the observer, L is a distance between the center of the predetermined exit surface and the center of the eye point. DL is a distance between the eye center and an outer edge of the eyelids (14) of the viewer from the light guide in a direction perpendicular to the line connecting the center of the predetermined exit surface and the eye center, θmin is an angle defined by θ-tan -1 (DL / L) is represented a straight line A passes through a point (4c) where the exit surface and the inclined surface intersect, and the straight line A is symmetrically incident on the flat section at the angle θmin with respect to the normal to the flat section, a straight line B runs parallel to the straight line A and intersects at a point where the inclined surface and the flat section intersect, the straight line A intersects the flat section at a point P1, the straight line B intersects the flat section at a point P2, the exit surface intersects the flat section at a point P3, A distance Fa is defined between point P1 and point P3. A distance Fb is defined between point P2 and point P3. Fa < Fb is satisfied, and the second light-shielding section is arranged such that it covers straight line A and straight line B.

Reflective devices with enhanced long-term reflectivity and reflectivity under water are provided. In embodiments, a reflective device includes a retroreflective strip on a front-upward angled surface. The reflective device comprises a lip that at least partially overhangs the front-upward angled surface and the retroreflective strip protecting it from damage. In embodiments, the reflective device is manufactured with geometrical retroreflective elements being embossed in an acrylate layer and a polyurethane protective top layer. Embodiments also include a system with reflective devices angled away from being perpendicular from the road and a method of joining the retroreflective strip to the pavement marking form.

A display system including an electronic device and a screen is disclosed. Specifically, the display system may include: an electronic device including a plurality of projectors for emitting light for providing a three-dimensional image; and a screen including a geometric phase layer for refracting light to different directions according to polarization of the light incident from the plurality of projectors, and a retroreflective layer for reflecting the light incident from the geometric phase layer to a direction opposite to the incident direction.

Structured ultraviolet light shielding articles are provided. A structured ultraviolet light shielding article includes a microstructured film having a first major surface and an opposing second major surface, in which the first major surface includes microstructures projecting therefrom; and a multilayer optical film disposed on the microstructures. At least some of the microstructures each has a surface whose slope causes light that is normally incident to the first major surface of the microstructured film to intercept the first major surface or the surface of at least one other microstructure after reflection. The multilayer optical film is comprised of one or more alternating first and second inorganic optical layers collectively reflecting and absorbing light that is normally incident to the first major surface of the microstructured film, an average of at least 50, 60, 70, 80, 90, or 95 percent of incident ultraviolet light over at least a 30-nanometer wavelength reflection bandwidth in a wavelength range from 190 nanometers (nm) to 400 nm. Solar arrays including structured ultraviolet light shielding articles are also provided.

The present invention addresses the problem of providing a display device capable of preventing a decrease in the brightness or image quality of an aerial image according to the angle at which an observer observes. [Solution] A display device (100) according to the present invention displays an aerial image (P) by retro-reflection. A display device (100) is provided with a light source (120) and a plurality of retro-reflectors (130) disposed within a housing (110), and a beam splitter (140) disposed on the surface of the housing (110). The retro-reflectors (130) include at least three retro-reflectors (130-1, 130-2, 130-3, 130-4, 130-5) disposed within a range in which the aerial image (P) can be observed, and are positioned in a positional relationship in which a side portion of at least one of the retro-reflectors overlaps a side portion of a retro-reflector adjacent to the front.

The utility model relates to the technical field of reflective films, and discloses a reflective film with a heat insulation function, which comprises a reflective film body and an auxiliary mechanism arranged on the outer side of the reflective film body, the reflective film body comprises a wear-resistant protective layer, a first heat insulation layer is fixedly mounted on the inner side surface of the wear-resistant protective layer, and a second heat insulation layer is fixedly mounted on the outer side surface of the wear-resistant protective layer. Through the synergistic effect of the first heat insulation layer and the second heat insulation layer, heat transfer in solar radiation is effectively blocked, the temperature of the inner side of a pasted object is remarkably reduced, energy consumption of refrigeration equipment is reduced, the comfort degree is improved, the reflective layer is made of a microprism structure and a high-refractive-index optical resin material, high reflective performance is guaranteed, and the light transmittance is good; according to the reflective film, the wear-resistant protective layer can effectively resist scraping and wear and protect the internal structure, in addition, the ultraviolet blocking layer can prevent the internal structure from being aged and damaged and prolong the service life of the reflective film, and the bonding layer adopts a pressure-sensitive adhesive optimized by a special formula, has good bonding performance, weather resistance and temperature resistance and can firmly bond the reflective film under different environmental conditions.

According to an embodiment of the present invention, a wheel bearing assembly is provided for the rotatable mounting and support of a vehicle wheel on a vehicle body. According to an embodiment of the present invention, the wheel bearing assembly may comprise: a wheel hub on which the vehicle wheel is mounted and which rotates with the vehicle wheel; at least one inner ring which is press-fitted onto the outer circumferential surface of the wheel hub; an outer ring which is mounted and fastened to a body part; several rolling elements which are configured to rotatably support the wheel hub and the inner ring relative to the outer ring; and a constant velocity joint coupled to the wheel hub.According to an embodiment of the present invention, the constant velocity joint can be configured such that an outer axial end surface of a shoulder section is in contact with an inner axial end surface of the wheel hub or inner ring, and a low-friction metal alloy layer is arranged on one side of the contact surface between the outer axial end surface of the shoulder section of the constant velocity joint and the inner axial end surface of the wheel hub or inner ring.

A method for fabricating micro domes array according to an embodiment of the present invention includes forming a micro patterns array on a base substrate through a photolithography process, reflowing the micro patterns array to form micro dome patterns, forming a mold having concave curved surfaces corresponding to an inverse shape of the micro dome patterns, and forming a micro domes array using the mold. The micro domes array includes a base portion and a convex portion including micro domes protruding from a first surface of the base portion. A structural color is generated through retroreflection at convex surfaces of the micro domes.

To provide a space projection device which achieves quality improvement in a space projection image.SOLUTION: A space projection device 100 includes: an optical medium 20 for diffusing projection light P1; and a light guide optical system 30 for guiding projection light (space projection light P2) diffused by the optical medium 20 so as to form an image at a space image formation part 40. The light guide optical system 30 includes a retroreflective member 32. The retroreflective member 32 includes a concave-convex structure 320 for suppressing a ghost image M.SELECTED DRAWING: Figure 1

To provide a new optical device and optical system.SOLUTION: An optical device includes a light emitting portion, a first magnetic element, and a circuit, the first magnetic element includes a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, the first magnetic element is irradiated with reflected light emitted by the light emitting portion and reflected by an object to be irradiated, a first signal corresponding to the light emission from the light emitting portion is input to the circuit, and a second signal corresponding to the irradiation of the first magnetic element with the reflected light is input from the first magnetic element to the circuit.SELECTED DRAWING: Figure 3

Retro-reflector (20) comprising a front boundary surface (22) configured for entry of measuring light (11) into the retro-reflector (20) and a back boundary surface (24) configured for reflecting the measuring light as reflected measuring light (12). The front boundary surface (22) and the back boundary surface (24) are arranged on opposite sides of the retro-reflector (20), and an optical axis (13) is defined by the arrangement of the front boundary surface (22) and / or the back boundary surface (24) of the retro-reflector (20), wherein an incidence angle of the measuring light (11) relative to the optical axis (13) is equal to an exit angle of the reflected measuring light (22) relative to the optical axis (13). A first optical element (21) is provided comprising the front boundary surface (22), and a second optical element (23) is provided comprising the back boundary surface (24). The front boundary surface (22) and the back boundary surface (24) are of curved shape, the first optical element (21) and the second optical element (23) are of different shape and / or size, the first optical element (21) is connected to the second optical element (23) and the retro-reflector (20) is configured so that the measuring light (11) entering into the retro-reflector (20) at the front boundary surface (22) is focussed at the back boundary surface (24).

A wireless optical power transmission system comprising a transmitter that outputs an optical power beam through an optical aperture, the transmitter comprising: (a) a laser that generates the optical power beam, (b) a deflection module for directing the optical power beam, and (c) a controller adapted to adjust the deflection module. The system also has a receiver, the receiver comprising a retroreflector having a cat-eye configuration adapted to return a retroreflected beam from at least a portion of the optical power beam incident thereon back toward the transmitter optical aperture. The cat-eye retroreflector should have an optical performance level that introduces aberrations into the retroreflected beam, the level of aberrations being such that the retroreflected beam has a divergence that is sufficiently large that the 1 / e 2 diameter of the retroreflected beam at the optical aperture is greater than the diameter of the optical aperture.

A reflective marker (125) for a cleaning robot (105) with a LiDAR sensor (120) comprises a first (130) and a second section (135) adjacent to each other; wherein the first section (130) is highly reflective and the second section (135) is low reflective, the first section (130) comprising a retroreflector.

Microspheres and retroreflective articles are described. In one embodiment, the microspheres include at least 40% by weight alumina, at least 35% by weight zirconia, and silica. In another embodiment, the microspheres include at least 80, 85, or 90% by weight of a combination of alumina, zirconia, and silica, and the microspheres have a density of at least 3.

The utility model relates to a visual angle control diaphragm and a display panel. The visual angle control diaphragm comprises a light-transmitting part; the plurality of light reflecting parts are arranged on the light transmitting part at intervals; the light reflecting parts are sunken in the surface of the light transmitting part and are of a concave cavity wall surface structure; the light reflecting parts are arranged on the light transmitting part at intervals, each light reflecting part is of a cavity wall face structure with a certain thickness, part of light rays are perpendicularly emitted from the positions between the adjacent light reflecting parts, part of the light rays are reflected and emitted from the slope faces of the light reflecting parts, and part of the light rays enter the inner walls of the light reflecting parts and are reflected back; the utility model has the effect of improving brightness.

This application discloses a three-dimensional display device, comprising: a first display module, including a first display light source, a first retroreflective component, and a first beam splitter connected end-to-end in sequence, wherein display light emitted from the first display light source exits through the first beam splitter to form a first suspended image; and a second display module, including a second display light source, a second retroreflective component, and a second beam splitter connected end-to-end in sequence, wherein display light emitted from the second display light source exits through the second beam splitter to form a second suspended image; wherein one end of the first beam splitter and one end of the second beam splitter are connected, and the angle between the plane of the first beam splitter and the plane of the second beam splitter is greater than 0 degrees and less than or equal to 90 degrees; the first suspended image and the second suspended image partially overlap. When viewed by the human eye, this application produces an optical illusion effect, with the first and second suspended images merging to form a three-dimensional image, thereby achieving three-dimensional display.

According to one embodiment of the present invention, a wheel bearing assembly for rotatably mounting and supporting a vehicle wheel to a vehicle body is provided. According to one embodiment of the present invention, the vehicle wheel bearing assembly includes: a wheel hub for mounting the vehicle wheel and rotating with the vehicle wheel; at least one inner ring pressed into and mounted on the outer peripheral surface of the wheel hub; an outer ring fixed to a vehicle body side member; a plurality of rolling elements rotatably supporting the wheel hub and the inner ring relative to the outer ring; and a constant velocity joint coupled to the wheel hub. According to one embodiment of the present invention, the constant velocity joint may be configured such that the outer axial end face of its shoulder contacts the inner axial end face of the wheel hub or the inner ring, and a low-friction metal alloy layer is provided on either side of the contact surface between the outer axial end face of the shoulder of the constant velocity joint and the inner axial end face of the wheel hub or the inner ring.

The invention discloses a metal net coating optimization method and device for a semiconductor and a medium, and relates to the related field of semiconductor precision electroplating. The method comprises the following steps: setting initial electroplating parameters based on the characteristics of a metal net base material, carrying out multi-stage pretreatment on the metal net, electroplating, collecting coating thickness data in real time, setting a coating thickness interval value, carrying out synchronous dynamic adjustment on the initial electroplating parameters, and determining target electroplating parameters to carry out electroplating simulation; and performing quality evaluation on the metal net coating simulation data according to the binding force test result and the thickness uniformity data, generating a coating quality evaluation report, and feeding back the coating quality evaluation report to the target electroplating parameters for continuous optimization. The technical problems of uneven plating thickness and insufficient binding force caused by inaccurate electroplating parameters are solved, and the technical effect of double improvement of plating quality and process stability is achieved by dynamically regulating and controlling the electroplating parameters and reducing the thickness deviation rate and the binding force loss rate.

This invention relates to the field of bearing technology, specifically to a method for preparing a zinc-nickel alloy coated anti-corrosion bearing, comprising the following steps: (1) Pretreatment: the bearing is chemically degreased with an alkaline degreasing agent, washed with water, activated with hydrochloric acid, washed with water, and immediately transferred to an electroplating tank after washing, with a transfer time not exceeding 2 minutes; (2) DC alkaline electroplating of zinc-nickel alloy, with a coating thickness of 8~12μm and a nickel content of 10%~14%; (3) Posttreatment: after washing with water, chromium-free passivation with a chromium-free passivation solution, washing with water, sealing with silane, and hot air drying, an anti-corrosion bearing is obtained. The purpose of this invention is to optimize the pretreatment process based on the material properties of bearing steel and the geometric structure characteristics of the bearing, and to adopt a composite posttreatment scheme combining chromium-free passivation and silane sealing to achieve the technical effect of strong coating adhesion, excellent corrosion resistance and environmental friendliness.

A device for displaying a floating image is disclosed. The device comprises a light source (10) extending in a planar direction and emitting light to realize the floating image, a converging lens (20) extending parallel to the light source (10) and refracting the light, a reflecting plate (30) facing the converging lens (20) and reflecting the light refracted at the converging lens (20), and a dihedral reflector assembly (40) extending in a planar direction and having mirrors extending in directions that intersect each other, wherein a first surface of the dihedral reflector assembly (40) faces the reflecting plate (30) such that the reflected light is incident on the first surface, and the reflected light is emitted from a second surface of the dihedral reflector assembly (40) by being reflected by the mirrors.whereby the floating image is realized at a position spaced from the second surface.,