445results about "Prisms" patented technology

Imaging lens arrangement (100), comprising: an optical plastic element (110), comprising: an incidence surface (111), wherein an imaging light enters the optical plastic element (110) through the incidence surface (111); a reflective surface (112), wherein the imaging light changes direction through the reflective surface (112); an exit surface (113), wherein the imaging light exits the optical plastic element (110) through the exit surface (113); and at least one connecting surface (130) which is used to connect the incident surface (111), the reflecting surface (112) and the exit surface (113), wherein the at least one connecting surface (130) comprises: a sprue (131) which is arranged on the at least one connecting surface (130), and wherein the sprue (131) is raised relative to an adjacent section (134) of the at least one connecting surface (130); a divergent nozzle surface (132) connected to the sprue (131) and the adjacent section (134), wherein the divergent nozzle surface (132) diverges from the sprue (131) and extends in a direction of the adjacent section (134); and a gate remnant (133) which is arranged on a surface of the sprue remnant (131), wherein a contour of the gate remnant (133) is linear and the gate remnant (133) extends over the surface of the sprue remnant (131); wherein, when projected along a direction in a front view of the adjacent section (134) of the at least one connecting surface (130), a projection surface of the divergent nozzle surface (132) is As, a projection surface of the sprue residue (131) is Ag, and the following condition is met: 0.08 ≤ As / Ag ≤ 0.68.

The invention belongs to the technical field of optical beam splitting elements, and particularly relates to a beam splitter prism depolarization film, a preparation method thereof, a beam splitter prism and a preparation method thereof. The beam splitter prism depolarization film provided by the invention comprises a first SiO2 film layer, a first Ta2O5 film layer, a first Al2O3 film layer, a metal silver layer, a second Al2O3 film layer, a second Ta2O5 film layer and a second SiO2 film layer which are sequentially laminated, wherein the first SiO2 film layer is in contact with the surface of a substrate. According to the beam splitter prism depolarization film provided by the invention, the number of film layers is obviously reduced, the total film thickness is obviously reduced, the film layer thickness is greatly optimized, the film material consumption cost and the equipment energy consumption are reduced, and the processing efficiency is greatly improved; meanwhile, the risks of film layer breakage and electroplated layer falling are reduced; the film layer contains less thin layers, the equipment monitoring is more accurate, the actual effect is closer to the design, the achievable specification is more strict, and the practical value is excellent.

The utility model discloses a prism structure, a visual angle expanding film, a backlight module and a display device, and relates to the technical field of optical films. The prism structure comprises a plurality of first prism parts and a plurality of second prism parts, the top of the second prism part is connected with the bottoms of the first prism parts; wherein the cross sections of the first prism parts are isosceles right triangles, the cross sections of the second prism parts are isosceles trapezoids, and the top width of the second prism parts is the total bottom width of the first prism parts. According to the utility model, the problems that the 1 / 2 light intensity range in the horizontal direction of a general display is within + / -50 degrees, and the 1 / 2 light intensity range in the vertical direction of the general display is within + / -35 degrees due to a single prism sheet, or a diffusion film and prism sheet bonding (DOP) / micro lens film and prism sheet bonding (MOP) and other structures with single prism layers in the current brightness enhancement film technology are solved; if a double-layer prism framework optical film scheme is used, the 1 / 2 light intensity range in the horizontal direction and the 1 / 2 light intensity range in the vertical direction are both lower than + / -35 degrees.

A penta prism collimator having four freeform surfaces that fold the optical path of light received from a microdisplay collimates light for coupling to a waveguide. In some embodiments, the freeform surfaces are toroidal surfaces made from a single injection-molded element, such as a single piece of plastic. The freeform surfaces collimate the light at a variety of distances from an input pupil of a waveguide, allowing for more freedom of placement within a frame of a WHUD.

Provides is an ultra-microlight transmission device using secondary electrons according to various embodiments of the present invention for implementing the above-objects. The ultra-microlight transmission device includes a light source module configured to generate light, a housing which includes an interior space and performs spectroscopy and diffuse reflection on light introduced into the interior space, a first filter unit configured to convert the spectroscopic and diffusely reflected light into monochromatic light, and a second filter unit configured to cause diffraction and interference for the converted light.

A virtual image display device includes: a first prism on which image light from a display element is incident; a second prism bonded to the first prism to form a prism light guide member; a semi-transmissive reflective film which is provided at a junction between the first prism and the second prism and reflects the image light guided by the first prism; a first lens disposed so as to face an outer surface of the first prism on which the image light reflected by the semi-transmissive reflective film is incident; a transmitting mirror formed on the first lens and reflecting a portion of the image light reflected by the semi-transmissive reflective film toward the semi-transmissive reflective film; and a 1 / 4 wavelength plate disposed between the outer surface of the first prism and the first lens, in the prism light guide member, a third surface that is in contact with a first surface on which image light from the display element is incident and a second surface on which image light from the display element is incident, are inclined with respect to a virtual first plane that is orthogonal to a first direction in which both eyes of the wearer are arranged, and a fourth surface on which image light from the display element is incident, are inclined with respect to a second plane that is orthogonal to a second direction in which both eyes of the wearer are arranged. The second surface faces the first lens.

The utility model discloses an optical element and an optical system, the optical element comprises an optical element body, the optical element body comprises a light transmission surface and a structural surface, and the light transmission surface and the structural surface jointly form an outer surface of the optical element body. The light transmission surface is used for transmitting light rays towards a light receiver, the structural surface is provided with a microstructure, and the microstructure is used for preventing the light rays projected to the structural surface from being transmitted towards the light transmission surface. According to the optical element provided by the embodiment of the utility model, the microstructure is arranged on the structural surface, so that stray light in the optical element body can be reduced, and stray light emitted from the emergent surface to the outside of the optical element body can be reduced, thereby improving the light emitting effect of the optical element, and improving the light emitting efficiency of the optical element when the optical element is applied to an optical system. The stray light emitted by the optical element is reduced, so that disordered imaging is not easy to form in the optical system, and the imaging effect of the optical system can be improved.

A split prism silicon-based immersion microchannel measuring device includes a microchannel structure including a support and one or more microchannels formed in the support and each having a sample detection layer with a fixed bioadhesive material for detecting a sample, a sample injection unit configured to inject a buffer solution containing the sample into the microchannel, a prism unit having a first prism and a second prism and formed by connecting a vertical surface of the first prism and a vertical surface of the second prism, a blocking part provided in a portion where the first prism and the second prism are connected to each other, the blocking part being configured to block an optical path, a polarized light generating unit configured to generate polarized light, and a polarized light detecting unit configured to detect a polarization change of reflected light.

A light-emitting substrate is provided. The light-emitting substrate comprises a light source; a first light-modulating layer with a first microstructure on a side close to the light source; and a second light-modulating layer with a second microstructure on a side farther from the light source.

This invention provides a method for easily manufacturing a wavelength division device having multiple channels. [Solution] The wavelength division device includes a substrate having one or more grooves, a plurality of filter bars disposed in one or more of the grooves of the substrate, and a prism disposed on the substrate. Each of the filter bars corresponds to an optical filtering wavelength. The prism is used to cover the plurality of filter bars. The surface of the substrate is etched to form one or more of the grooves. After the plurality of filter bars are coated, the plurality of filter bars are joined in one or more of the grooves of the substrate. The resin disposed on the substrate is imprinted by a processing mold to form the prism.

Provided is an optical film requirement that does not use fine particles for light diffusion, is entirely composed of a transparent resin, and has a self-moire pattern that cannot be visually recognized by the naked eye, said optical film requirement having high front brightness without luminance unevenness on the light emission surface of a backlight when mounted on an edge-light backlight. A light-collecting auxiliary film inserted between the light emission surface of a light guide plate and the light incidence surface of a brightness enhancement film (BEF) in an edge-light backlight unit using discrete LED point light sources, the light-collecting auxiliary film being characterized by comprising: an optical waveguide layer comprising a light-transmitting base film, and a light-collecting layer comprising a light-transmitting base film, the light-collecting auxiliary film being interposed between the light emission surface of the light guide plate and the light incidence surface of the brightness enhancement film (BEF), the light-collecting auxiliary film being interposed between the light-emitting surface of the light guide plate and the light incidence surface of the brightness enhancement film (BEF); a light extraction layer that is formed on one surface of the optical waveguide layer and has a plurality of inverted rectangular pyramid-shaped unit recesses; and a light introduction layer formed on the other surface of the optical waveguide layer and having a plurality of unit triangular prisms extending in parallel in one direction, the light extraction layer constituting a light emission surface, and prism surfaces of the plurality of unit triangular prisms constituting the light introduction layer constituting a light incidence surface. The direction of the ridge lines of the plurality of unit recesses and the direction of the ridge lines of the plurality of unit triangular prisms intersect at an angle of 42 DEG to 48 DEG, and the light extraction layer, the optical waveguide layer, and the light introduction layer do not contain fine particles for light diffusion. The self-moire pattern generated by the plurality of unit recesses and the plurality of unit triangular prism lenses cannot be visually recognized by naked eyes.

A cooling device of a projection display apparatus includes a first heat receiving unit including an opening that is rectangular. The first heat receiving unit includes a flow path part. An image display element of the projection display apparatus includes a first front face located in front of a reflective image display, a second front face parallel to the first front face and located behind and outside the first front face, and a first side face located between the first front face and the second front face. The first front face of the image display element is inserted into the opening of the first heat receiving unit, and the flow path part of the first heat receiving unit is in contact with the first side face and the second front face of the image display element via a heat conductive member. The flow path part of the first heat receiving unit includes a front face that is flush face with or in front of the first front face of the image display element.

The invention relates to a fog detector for a vehicle having a specially shaped lens, comprising a light emitter (1) configured to emit at least one light pulse, a first optical element (2) configured to guide light of the at least one light pulse along a first optical path, a second optical element (4) configured to guide scattered light of the at least one light pulse along a second optical path to a focal point of a light receiver (3) of the fog detector, wherein the focal point is spatially offset from an axis extending along the first optical path, the first optical element (2) and the second optical element (4) being arranged and configured such that the first and second optical paths at least partially overlap each other, and the first optical element (2) and the second optical element (4) being arranged and configured such that the light emitter (1) and the light receiver (3) are operable on a common optical axis. The invention also relates to a method for fog detection and to a driving support system comprising the fog detector. Furthermore, the invention relates to a vehicle comprising the driving support system. Moreover, the invention relates to a computer program, to a data carrier signal and to a computer readable medium.

The utility model relates to the technical field of retroreflective sheeting provides an environmental protection type hard PVC retroreflective sheet, solves the problem that the reflectivity of existing retroreflective sheet is low, and the optical performance is relatively weak, and the surface layer anti -peeling impact force is not good, including the retroreflective sheet body, the retroreflective sheet body includes the protective surface layer, prism air microcapsule layer, degradable back film layer from top to bottom sequentially laminated, the prism air microcapsule layer includes wall material and core material, the core material includes prism reflection matrix layer and air layer, the protective surface layer is by PVC material layer and acrylic material layer composite, the prism reflection matrix layer is by several microangle pyramid prism structure unit close arrangement, the microangle pyramid prism structure unit is cutting obtains to cubic angle pyramid prism.

This application relates to a molded prism 100 comprising an optical body having a light path L, a reflecting surface 112 on which the light path is folded, a gate trace 111 (casting mark), through wh

Various embodiments of optical sensors, such as optical leakage sensors, are provided. Example embodiments of optical sensors described herein may include an optical prism and / or a microcontroller configured to provide power to a plurality of wires, the optical prism includes a plurality of substantially semi-cylindrical grooves, a plurality of conductive lines disposed within the plurality of substantially semi-cylindrical grooves, wherein the plurality of conductive lines are configured to provide heat to a sensing surface of the optical prism in response to application of power.

This invention provides a directly coupled stacked structure for improved image quality in optical devices. [Solution] Optical surfaces are planarized and plasma activated to laminate them together, and then a direct bond is formed between the two surfaces without adhesive or an adhesive layer. This process provides an improved optical element with higher image brightness, lower light scattering, better resolution, and higher image fidelity. Direct bonding also provides a heat-resistant interface that can withstand much higher temperatures than conventional optical adhesives. Exemplary processes can be used to manufacture many types of improved optical components such as improved laminated lenses, mirrors, beam splitters, collimators, prism systems, optical conduits, and specular waveguides for smart glasses and head-up displays (HUDs), which provide better image quality and elimination of dark lines of sight that are apparent to the human observer when conventional adhesives are used in conventional lamination.

The application discloses a polarizer, a liquid crystal panel and a display device, relates to the technical field of display, and discloses a polarizer, which comprises a first protective layer, a first triangular prism array structure, a polarization layer, a second triangular prism array structure and a second protective layer which are sequentially stacked. The application effectively improves the light condensation capacity of the polarizer.

A reimaging lens assembly includes a pentaprismatic optic that includes two reflective surfaces and two refractive surfaces. The reflective surfaces are powered surfaces, and the reflective surfaces may be spherical, aspherical, and / or freeform reflective surfaces. The pentaprismatic optic may receive light from a wide field of view (WFOV), and may change the angle of the output light from that of the input light, for example by 90 degrees. The pentaprismatic optic may be coupled to an image receiver, such as a cooled or uncooled camera. The reimaging lens assembly may include further optical elements between the pentaprismatic optic and the image receiver, such as one or more lenses, filters, and / or cold stops. The lens assembly provides a compact system, with a small number of optical elements, and with desensitized output that reduces image jitter.

The invention comprises a method and system for cost effective, convenient remote high fidelity color reproduction and matching that can be used to convey color to observers remote from the physical source of color. Such remote observers can include product consumers wishing to view a product color, for example. In a preferred embodiment, the method comprises capture of article or product reflectance spectra and the use of this spectrum to filter ambient light or directed light in the environment of a user remote from the article or product. Other embodiments of methods include various techniques to capture product spectral information and color matching functions useful for color reproduction using colored light sources. Additional systems embodiments include devices exploiting multiprimary displays to render the product color with reduced metamerism.

This invention belongs to the field of optical film technology, specifically high-definition optical composite coating films and their preparation methods. This invention aims to solve the problem that existing optical composite films cannot simultaneously achieve both optical enhancement and viewing angle. This invention involves mixing a nano-conductive polymer, a silicone additive, and a diffusion liquid to obtain a diffusion layer coating liquid; dispersing PMMA-PS microspheres in the diffusion layer coating liquid to obtain a composite coating liquid; mixing a prism layer resin and nano-silica to obtain a prism layer coating liquid; coating the back of a PET substrate with the composite coating liquid and passing it through a microlens array to obtain a diffusion layer; coating the front of the substrate with the prism layer coating liquid to obtain a prism layer; and finally, after curing, attaching a PE protective film to one side of the prism layer to obtain the composite coating film product. The composite coating film prepared by this invention has excellent optical enhancement, a good viewing angle, and effectively suppresses moiré patterns.

An input device includes a light source, a light guide plate, a sensor, and a controller. The light guide plate guides light from a light source to form an image in a space. The sensor detects an object in the space including an imaging position of the image. Based on an output from the sensor, the controller acquires at least one of a trajectory of a plurality of positions where the object is detected, a duration time of detecting the object, or a number of times the object is detected as an input parameter. The controller identifies an input pattern according to a movement of the object based on the input parameter, and outputs a signal corresponding to the identified input pattern.

An optical film according to various embodiments of the present invention may include a base portion; a pyramid pattern layer wherein a plurality of pyramid patterns having a vertex angle being in the vertex angle range of 60° or larger to 160° or smaller is formed on one surface of the base portion; and a diffusion layer wherein a plurality of optical protrusion patterns formed on the other surface of the base portion. the pyramid pattern layer is formed to have a refractive index greater than or equal to a refractive index of the diffusion layer, and a haze value of the diffusion layer is 15% or higher.

A display device 1 includes: an image display element 11 configured to display an image to be displayed; a collimator 12 configured to convert light emitted from each point on the image displayed on the image display element 11 into collimated light; a first light guide 131 formed of a flat plate made of a first material transparent to the light; a second light guide 132 formed of a plate member made of a second material transparent to the light, the second light guide having one surface and the other surface, the one surface of the second light guide being a flat surface in contact with one of surfaces of the flat plate of the first light guide, the other surface of the second light guide being a sawtooth surface 1320; and a beam splitter 133 formed on an interface between the first light guide 131 and the flat surface of the second light guide 132, the beam splitter being configured to transmit a part of the light and reflect the remainder of the light, wherein the sawtooth surface 1320 of the second light guide is configured by alternately combining a first surface 1321 and a second surface 1322, the first surface 1321 being non-parallel to a propagating direction of the light propagating through the second light guide after passing through the interface and being configured to transmit the light, the second surface 1322 being substantially parallel to the propagating direction.

The application discloses a reverse edge composite prism film and a manufacturing system and method thereof, and the prism film comprises a first film piece, a second film piece and a third film piece, wherein the first film piece comprises a first base, a first upper film layer and a first lower film layer, the first lower film layer is located on the lower surface of the first base; the second film piece comprises a second base, a second upper film layer and a second lower film layer; the third film piece comprises a third base, a third upper film layer and a third lower film layer; wherein the first upper film layer, the second upper film layer and the third lower film layer each comprise a first main body part and a first groove part; the first lower film layer, the second lower film layer and the third upper film layer comprise a second main body part and a second groove part. Compared with the prior art, the first film layer with the first groove part is arranged on the front surface of the first base and the second base, and the second film layer with the second groove part is arranged on the back surface, and compared with a conventional lower diffusion + POP prism, the reverse edge composite prism film has higher brightness.

The invention provides an optical assembly, a backlight module and a liquid crystal display device, and belongs to the technical field of display. The optical assembly comprises a first prismatic lens, a second prismatic lens, a brightness enhancement film and a diffusion sheet, the first prismatic lens comprises a first substrate layer and a plurality of first prisms; the plurality of first prisms extend along the first direction, and the first prisms are sequentially arranged in the second reference direction in a cross section parallel to the second reference direction and the third reference direction; an included angle between the first direction and the first reference direction is a first cutting angle of the first prism, and the first cutting angle is larger than 0 degree and smaller than 20 degrees; the second prismatic lens comprises a second substrate layer and a plurality of second prisms; the plurality of second prisms extend along the second direction, and the second prisms are sequentially arranged in the first reference direction in a cross section parallel to the first reference direction and the third reference direction; an included angle between the second direction and the first reference direction is a second cutting angle of the second prism; the second cut angle is larger than the first cut angle.

We provide a double-sided mirror for the mirror wedge illusion. [Solution] A double-sided mirror 80 for the mirror wedge illusion. The double-sided mirror includes a reflective material layer 84, a thin glass layer 82 covering the front surface 90 of the reflective material layer 84, a dark mask layer 86 covering the back surface 92 of the reflective material layer 84, and a thick glass support layer 88 bonded to the dark mask layer 86.

The present disclosure relates to light redirecting elements in solar energy absorption systems and envisages a light redirecting prism, a redirecting prismatic wall and a solar panel incorporating the same. The light redirecting prism has three elongate surfaces. The incident surface receives incident parallel rays of light. The redirecting surface performs total internal reflection of the light travelling from the incident surface through a predetermined range of angles and thus redirect the light. The transmitting surface transmits the redirected light at a predetermined angle out of the prism and directs the light towards a solar energy absorbing device. Further, a redirecting prismatic wall can be constructed to comprise redirecting prisms. The light redirecting prism or redirecting prismatic wall can be used in solar panels for enhancing quantum of light incident on the PV cell of the panel.