31results about How to "Avoid specular reflections" patented technology

A self-contained interactive video display system. A flat-panel display screen displays a visual image for presentation to a user on a front side of the flat-panel display screen. A first illuminator illuminates the flat-panel display screen with visible light. A second illuminator illuminates an object. A camera detects interaction of an illuminated object with the visual image, wherein the camera is operable to view the object through the flat-panel display screen. A computer system directs the projector to change the visual image in response to the interaction.

The invention discloses a touch display device which comprises a display substrate, a transparent concave-convex structural layer and a touch sensing layer. The display substrate comprises an array substrate, a colored filtering substrate and a liquid crystal layer clamped between the array substrate and the colored filtering substrate. The colored filtering substrate is located above the array substrate and is provided with a first surface opposite to the array substrate and a second surface away from the array substrate and opposite to the first surface. The colored filtering substrate comprises a black matrix layer arranged on the first surface. The transparent concave-convex structural layer is arranged on the second surface of the colored filtering substrate and provided with a first concave-convex surface. The touch sensing layer is located on the side, provided with the transparent concave-convex structural layer, of the colored filtering substrate. The projection of the edge of the touch sensing layer on the colored filtering substrate is within the range of the projection of the black matrix layer on the colored filtering substrate. The touch display device has the high penetration rate, can effectively eliminate the specular reflection phenomenon of the touch sensing layer, and is beneficial to improving display quality. The invention further relates to a manufacturing method of the touch display device.

In a light-emitting apparatus, a face of a substrate on which a light-emitting device is formed is an uneven surface having a plurality of asperities. The mean spacing Sm of adjacent asperities or the mean spacing S of peaks of adjacent projections of the asperities is no less than three times the longest wavelength of light generated by a light-emitting layer and no more than two hundred times the longest wavelength. The arithmetic mean slope Δa of the uneven surface is in a range between 4° and 30°, inclusive. Therefore, the apparatus emits substantially a greater amount of light from a light extraction side and has less brightness unevenness than a light-emitting apparatus with no uneven surface.

The invention provides a method and system for simultaneously imaging multiple views of a plant embryo. First, the method provides a camera for receiving a first view of a plant embryo (e.g., the top view). Second, the method provides a first reflecting surface for receiving and reflecting a second view of the plant embryo (e.g., the side view) toward the camera. Thus, the method permits simultaneously imaging both the first and second views of the plant embryo. In one embodiment, the method further provides a second reflecting surface for receiving and reflecting a third view (e.g., the end view) of the plant embryo toward the camera, so that the camera can simultaneously image the first, second, and third views of the plant embryo. The invention reduces the time required to obtain multiple views of an embryo, which can then be analyzed to classify the embryos according to their germination vigor.

The invention relates to a solar-powered car which has an automatic adjusting function and can prevent light pollution and dazzling. The solar-powered car which has the automatic adjusting function and can prevent light pollution and dazzling comprises a car body and an electricity generation mechanism, wherein the electricity generation mechanism comprises a first photovoltaic panel, two drivingunits and two photovoltaic assemblies; the photovoltaic assemblies comprise supports and second photovoltaic panels; the car body is internally provided with a light weakening mechanism, and the lightweakening mechanism comprises a transverse rod, a sleeve ring, a lifting unit, a translation unit, a light filtering plate and two vertical plates. When the solar-powered car which has the automaticadjusting function and can prevent light pollution and dazzling runs in an urban area, through the driving units, the second photovoltaic panels are driven to rotate towards the first photovoltaic panel, so that light pollution caused by specular reflection is prevented, dazzling feelings of other car drivers are avoided, and then road traffic safety is guaranteed; moreover, through the lifting unit, the light filtering plate is driven to go down to block strong sunlight, and through the translation unit, the horizontal position of the light filtering plate is adjusted, so that a driver has agood sight line, safe driving is guaranteed, and then the practicability of the solar-powered car is improved.

The disclosure discloses a narrow frame display panel, comprising an array substrate, a color film substrate, a liquid crystal filled between the array substrate and the color film substrate, a flexible circuit board and a driving chip, wherein a side located by the array substrate is a light-exiting surface, and one end of the array substrate is a bonding end; one end of the flexible circuit board is bound to a surface of the bonding end facing the color film substrate, and the other end of the flexible circuit board is bound with a driving chip and arranged opposite to the color film substrate after being bent away from the light-exiting surface, and the driving chip is located on the side of the flexible circuit board facing away from the color film substrate. The disclosure further discloses a display device.

A target is uniformly illuminated with illumination light without specular reflections from a window and/or from the target in a field of view of a solid-state imager of an imaging reader to improve reader performance.

Illuminator apparatus for illuminating a workpiece during visual testing thereof, the illuminator comprising: a source of illumination that illuminates a portion of the workpiece with on-axis illumination centered at a first angular direction and having a first intensity and with off-axis illumination having a second intensity; and an optical viewing system, that views said portion of the workpiece and accepts light reflected from the workpiece over a range of angular directions, centered at a second angular direction, said range of angular directions defining said on-axis illumination, wherein said first intensity and second intensity art separately adjustable and wherein the first angular direction is different from the second angular direction.

The utility model provides an imaging method and terminal, wherein the method comprises the following steps: whether the current photo environment is a low-light environment is checked; if the current photo environment is a low-light environment, and the current is in a photo mode with the screen to fill the light, then the current first color in the colors displayed by the terminal screen is adjusted to a second color, wherein the color temperature value of the first color is bigger than the color temperature value of the second color; the photos corresponding to the second color are forms according to the photo orders that have obtained. The imaging method and terminal has the advantages of being capable of avoiding the blue purple plaques on facial skin caused by uneven brightness in low-light environment, and selfies with even skin color are obtained.

The invention discloses an axisymmetric double-engine low-scattering carrier for RCS testing and an application method, and belongs to the field of RCS testing of aero-engines. The axisymmetric double-engine low-scattering carrier comprises a carrier body with a smooth curved surface in appearance, wherein the carrier body is divided into a carrier front half section and a carrier rear half section in the axial direction; the carrier is in the shape of a flat cone; two ports are symmetrically formed in the tail end of the rear half section of the carrier by taking the central axis as the center axis and are used for mounting a double-engine spray pipe during an electromagnetic test; and a tail cone is arranged between the two ports, and horizontal tails are symmetrically arranged on the outer sides of the two ports. Horizontal tails on the two sides and a tail cone in the middle are introduced to simulate the layout of an aircraft afterbody, the interior of a nozzle cavity is shielded when radar waves enter from the side direction, and radar echoes are reduced. In addition, the relation between single-engine and double-engine backward RCSs can be researched by testing the scattering characteristics of the double-nozzle backward radar.

The invention belongs to the technical field of display screen preparation, and specifically relates to a fluorescent display screen containing an up-conversion luminescent material and a preparationmethod and an application thereof. The display screen comprises a substrate, a red fluorescent material layer, a green fluorescent material layer, a first isolation layer, a blue fluorescent materiallayer and a protective layer which are successively superimposed, wherein the green fluorescent material layer and the red fluorescent material layer are further provided with a second isolation layertherebetween. The display screen is made of an ultra-flat transparent material, thereby being capable of avoiding a phenomenon of diffuse reflection. The adopted organic or macromolecular green and blue fluorescent materials are anisotropic, thereby being capable of avoiding a phenomenon of mirror reflection. Saturated red light can be obtained by adopting the up-conversion luminescent material,the light emitting efficiency is high, and the stability is good. When the screen takes laser light as a light source, the resolution reaches up to 10k. The fluorescent display screen is simple in preparation method, low in cost and long in service life. The fluorescent display screen is portable, can be folded and unfolded, water-proof and not driven by electric power, so that the fluorescent display screen can be applied to many fields.

A filter for a display has a first film member that includes a pigment layer that absorbs a light of a certain wavelength band, a second film member that includes an electromagnetic wave absorption layer, and a third film member that includes a specular reflection preventing layer containing a plurality of diffusing elements, and a display apparatus employing such a filter is provided.

The invention discloses a uniform light shooting device used for a three-dimensional digital microscope. The device comprises LED (Light Emitting Diode) light lamps, an external diffusion shed, an internal diffusion shed and an objective table, wherein the internal diffusion shed is installed in the external diffusion shed; the top of the internal diffusion shed and the top of the external diffusion shed are independently provided with a round hole; a microscope lens is embedded into the round holes; the plurality of LED light lamps are arranged out of the external diffusion shed; and the objective table is arranged in the internal diffusion shed, and during shooting, an object to be shot is placed on the objective table to be shot. Through the implementation of the invention, the diffusereflection of multiple rays can be formed in a shooting environment, then, the object to be shot is placed in the diffusion shreds to be shot, a mirror reflection phenomenon of the surface of the object can be favorably avoided, the luminance ratio of the light spot and the black spot of the shot object can be greatly reduced, a 360-degree omnibearing no-dead-angle ambient light source can be provided, imaging quality is greatly improved, good support is provided for requirements including subsequent scientific researches, and the device can be prompted and used in a scene which needs to carryout mcroscopic shooting.

A matte lipstick composition, including at least one structure-directing agent, at least one oil, at least one colouring agent, and at least one particular filler as a mattifying agent, characterised in that the particular filler serving as a mattifying agent is selected from among particles having a specific surface area of less than 30 m²/g, preferably less than 20 m²/g, more preferably still less than 10 m²/g, and advantageously less than 5 m²/g. Also a lipstick including the lipstick composition, a method for producing said lipstick composition, and the use of a particular filler in order to mattify a lipstick composition without hardening same.

The invention belongs to the technical field of preparation of a display screen, and particularly relates to a high-resolution fluorescent display screen and a preparation method and application thereof. The display screen comprises a substrate, a red fluorescent material layer, a first isolation layer, a green fluorescent material layer, a second isolation layer, a blue fluorescent material layerand a protection layer which are sequentially overlaid; and arrangement of the isolation layers enable fluorescent materials not to interfere each other. The display screen is made of a super-flat transparent material, and can avoid a problem of diffuse reflection caused by a conventional rough surface; moreover, the fluorescent materials have anisotropism and do not generate interference, and thus, a mirror reflection phenomenon can be avoided; and when laser is used as a light source, resolution can reach 10k. The display screen is simple in preparation method, low in cost, reliable in technology and long in service life. The high-resolution fluorescent display screen can be used for VR and small-medium-size high-resolution display. The high-resolution fluorescent display screen is lightweight, can be folded and unfolded, is waterproof, does not need to be driven by electric power and is economic and durable, and thus, the high-resolution fluorescent display screen can be applied invarious fields.

An ultrasonic tool comprising a first end face and a second end face, which is opposite the first end face, as well as a tool cover surface connecting the first end face and the second end face, wherein the ultrasonic tool is elongated in a longitudinal direction of the tool, wherein at least the first end face is formed as a connecting contact surface, which is arranged for pressing the ultrasonic tool against a connecting component, and wherein the ultrasonic tool comprises an end region comprising the connecting contact surface, which extends from the connecting contact surface in the longitudinal direction of the tool over 15 mm, but at most extends one third of the length of the ultrasonic tool in the direction of the opposite end face, and wherein in the end region, a first partial surface of the tool cover surface is formed as a surface-structured absorption surface.

The invention discloses a projection screen and a projection system, relates to the technical field of projection screens, and is used for solving the problem of low brightness of a projection screen in the prior art. The projection system comprises a projector and a projection screen, the projection screen comprises a Fresnel lens layer, a reflecting layer and at least one diffusion layer, the Fresnel lens layer and the reflecting layer are arranged in a stacked mode, the diffusion layer is arranged on the side, away from the reflecting layer, of the Fresnel lens layer, and the projection screen further comprises a cavity used for containing gas; the diffusion layer comprises a first supporting layer and a plurality of astigmatism structures arranged on the first supporting layer, and the astigmatism surfaces, away from the first supporting layer, of the astigmatism structures serve as a part of the side wall of the cavity; dark dyes and reflecting materials are distributed in the reflecting layer.

The invention discloses a double-sided LED pixel lamp point connecting structure. The LED pixel lamp point connecting structure comprises more than one group of lamp strings, the lamp strings are arranged at intervals to form more than one assembly cavity; a transparent wire rod penetrates through the middle of the lamp string, a lamp strip is welded to the wire rod, openings are formed in the twosides of the assembly cavity, the opening ends of the two sides are assembled in a sealed mode through clamping strips respectively, the two sides of each clamping strip make contact with the end faces of the lamp point shells on the two sides respectively, and the flatness and permeability of the lamp string in the vertical direction are guaranteed. The double-sided LED pixel lamp point connecting structure is simple in structure, high in production efficiency, free of tool assembly, simplified in maintenance, small in boundary dimension size, rectangular in size design, high in clamping strip hollow rate and capable of keeping the permeability of the double-sided LED lamp string. Meanwhile, through glue reduction of the lamp string wire, specular reflection of the transparent PC under the irradiation of sunlight can be prevented, and the glare feeling is brought to audiences.

The invention belongs to the technical field of preparation of display screens, in particular to a laser projection display screen with a light absorption layer and a preparing method and applicationthereof. The laser projection display screen comprises a protection layer, a blue fluorescent material layer, a green fluorescent material layer, a red fluorescent material layer/an up-conversion luminescent material layer and a substrate, wherein the protection layer, the blue fluorescent material layer, the green fluorescent material layer, the red fluorescent material layer/the upper conversionluminescent material layer and the substrate are stacked in sequence. The fluorescent material layers are separated by light absorption separation layers, so that excitation on the green fluorescentmaterial layer and the red fluorescent material layer by high-energy laser is avoided, and lowering of the colour purity is inhibited. The laser projection display screen is made of an ultra-flat transparent material, and can avoid the diffuse reflection phenomenon. Adopted organic or polymer green and blue fluorescent materials have anisotropy, and can avoid specular reflection. An up-conversionluminescent material can obtain saturated light, and has high luminescent efficiency and good stability. When laser light is used as a light source, the distinguishability of the laser projection display screen can reach up to 10 k. The preparing method of the laser projection display screen is simple, and the laser projection display screen is low in cost, long in service life and light, can be folded and unfolded, is waterproof, does not need to be driven by power, and can be applied to multiple fields.