180 results about "Interference color" patented technology

An optical interference color display is provided. The optical interference color display comprises a color filtering substrate, a patterned support layer, a plurality of first electrodes, a plurality of optical films and a plurality of second electrodes. The patterned support layer and the first electrodes are positioned on the color filtering substrate with the patterned support layer between the first electrodes. The optical films are positioned on the first electrodes. The second electrodes is positioned over the first electrodes and supported through the patterned support layer such that an air gap with identical thickness is produce between every pair of second electrode and first electrode. Using the color filtering substrate to show color images, air gap between the first electrodes and the second electrodes are identical and hence simplifies the manufacturing process.

The invention provides a three-silver low radiation film glass. The film layer structure of the glass comprises glass, a first base layer dielectric combination layer, a first Ag layer, a first blocking layer, a first interlayer dielectric combination layer, a second Ag layer, a second blocking layer, a second interlayer dielectric combination layer, a third Ag layer, a third blocking layer, a first upper layer dielectric combination layer, and a second upper layer dielectric combination layer. The invention also provides a process for producing the glass. The three-silver low radiation film glass and the producing process thereof adopt a unique film layer configuration, the process and a method improve the prior low radiation film glass so that the product has low radiance and good selectivity coefficient Lsg; the indoor and outdoor colors of the glass are close to neutral color without interference colors; and the glass has excellent optical performance, various colors, weather resistance, and the like, and can be widely popularized and applied to vehicle glass and civil architecture glass.

The invention discloses a multi-feature and Kalman filtering combined object tracking method for realizing the effect of object tracking under a complicated background environment and a sheltering condition. Comprehensive feature based on color, texture and object moving information is provided for improving a CamShift algorithm, and a Kalman filter is combined to predict an object moving state, so that the tracking stability and the tracking accuracy of the moving target under a complicated background are improved. Color information is most likely to be interfered by factors such as illumination and background interference color; object texture feature is introduced to improve the defect when single color information is adopted; target moving information is continuously introduced; and further the interference in the background is removed. When an object is sheltered, least square fitting and target moving track extrapolation are performed through priori information before object shelter, the object moving positional information is predicted, and recapture of a moving object when the shelter is finished is facilitated.

This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer. In the colored metallic pigment, the metal layer preferably comprises at least one metal selected from Sn, Pd, Pt and Au. The metallic particle preferably comprises at least one metal selected from Cu, Ni and Ag.

This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer. In the colored metallic pigment, the metal layer preferably comprises at least one metal selected from Sn, Pd, Pt and Au. The metallic particle preferably comprises at least one metal selected from Cu, Ni and Ag.

The method of manufacturing an optical interference color display is described. A first electrode structure is formed over a substrate first. At least one first area, second area and third area are defined on the first electrode structure. A first sacrificial layer is formed over the first electrode structure of the first area, the second area and the third area. Moreover, a second sacrificial layer is formed over the first sacrificial layer inside the second area and the third area. In addition, a third sacrificial layer is formed over the second sacrificial layer inside the third area. The etching rates of all sacrificial layers are different. Then, a patterned support layer is formed over the first electrode structure. Next, a second electrode layer is formed and the sacrificial layers are removed to form air gaps. Therefore, the air gaps are effectively controlled by using the material having different etching rates.

A method for the color finishing of aluminum frames and other components for motor vehicles comprises anodizing an aluminum surface and coloring the aluminum surface. The coloring of the aluminum surface may be effected by an adsorptive coloring process, an electrolytic coloring process, an interference coloring process, or any combination of the foregoing processes.

The present invention relates to a pearlescent pigment with large aspect ratio and a method of their preparation, and particularly to pearlescent pigments prepared by coating a metal or metal precursor on the flaky alpha-alumina crystals obtained by using an aluminum precursor aqueous solution and a zinc precursor aqueous solution as main ingredients. The crystals herein has an average particle thickness of 0.5 μm or less, an average particle diameter of 15 μm or higher and a large aspect ratio of 50 or higher, thereby being superior in gloss. The crystals show metal colors and interference colors of silver, gold, red, purple, blue and green.

The present invention relates to a pearlescent pigment with large aspect ratio and a method of their preparation, and particularly to pearlescent pigments prepared by coating a metal or metal precursor on the flaky alpha-alumina crystals obtained by using an aluminum precursor aqueous solution and a zinc precursor aqueous solution as main ingredients. The crystals herein has an average particle thickness of 0.5 [mu]m or less, an average particle diameter of 15 [mu]m or higher and a large aspect ratio of 50 or higher, thereby being superior in gloss. The crystals show metal colors and interference colors of silver, gold, red, purple, blue and green.

The coating is particularly suited for identifying and characterizing surgical implants and instruments as well as for providing a diffusion barrier for surgical implants and instruments. The coating comprises a biocompatible, transparent and, in itself, colorless interference layer, which is joined to the surface of the implant or of the instrument, has a constant layer thickness, and which is not, or only slightly, electrically conductive, i.e., is dielectric. The coating is also suited for generating interferences and interference colors over the entire visible spectrum.

The invention relates to a traffic sign detection identification method, apparatus and system. A sign plate region and a non sign plate region in a to-be-identified traffic scene image are segmented by comprehensive use of an SVF color space and an HSV color space, so that the influence of an interference color can be effectively eliminated; a color channel image is subjected to shape detection and locating, so that the detection of sign plates in multiple shapes such as a round shape, a triangular shape, a rectangular shape and the like can be realized, sign plate locating is realized, and identification types are added; and finally based on an image feature extraction algorithm, sign plate image features are extracted and transmitted to a trained preset classifier for performing sign plate classification judgment. The traffic sign plates erected above lanes or on two sides of a road can be detected and identified in real time in a running process of an intelligent vehicle; then an identification result is sent to a decision-making system of the intelligent vehicle; and the intelligent vehicle pre-judges a traffic condition in front of the vehicle in advance and makes response actions of reducing the speed, turning on a vehicle lamp and the like, thereby ensuring unblocked road and running safety of the intelligent vehicle.

The method of manufacturing an optical interference color display is described. A first electrode structure is formed over a substrate first. At least one first area, second area and third area are defined on the first electrode structure. A first sacrificial layer is formed over the first electrode structure of the first area, the second area and the third area. Moreover, a second sacrificial layer is formed over the first sacrificial layer inside the second area and the third area. In addition, a third sacrificial layer is formed over the second sacrificial layer inside the third area. The etching rates of all sacrificial layers are different. Then, a patterned support layer is formed over the first electrode structure. Next, a second electrode layer is formed and the sacrificial layers are removed to form air gaps. Therefore, the air gaps are effectively controlled by using the material having different etching rates.

The present invention provides one kind of golden pearlescent pigment with strong metal texture. The golden pearlescent pigment includes flaky base with at least three layers of alternately coated ferric oxide layer of optical thickness 10-200 nm and silica layer of optical thickness 10-320 nm. The present invention provides also the pigment preparing process, which is one wet chemical hydrolysis process to deposit ferric oxide layers and silica layers on the flaky base. The golden pearlescent pigment has strong golden interference color and brilliancy and brightness greatly than common pearlescent pigments. It has low cost, simple preparation process and stable product quality.

The invention discloses a novel multi-layer coating angularly heterochrome interference color pearlescent pigment, which takes a transparent or a semitransparent sheet as a substrate. High refractive index coating and low refractive index coating are repeatedly coated on the outer surface of the substrate in sequence in an alternating manner, wherein, the number of the coating is at least three layers; the low refractive index coating is arranged between two high refractive index coatings; intermediate transitional coatings with gradually changed refractive indexes are arranged between the high refractive index coating and the low refractive index coating, and between the low refractive index coating and the high refractive index coating; the intermediate transitional coating is composed of metallic silicate, metallic aluminate and mixture composed of the metallic silicate, the metallic aluminate, high refractive index metallic oxide and low refractive index compound. Because of the existence of the intermediate transition coating, the pigment provided by the invention enables the color-changing transition region color variability to be more clear and obvious, and the color saturation to be higher. The pigment can be used in automobile paint, cosmetic formula, paint, printing ink, plastics and glass industries.

The invention discloses a low emissivity glass containing silver, a structure of a film layer successively comprises a glass substrate, a base layer dielectric combination layer, a first silver layer, a first blocking layer, a first interlayer dielectric combination layer, a second silver layer, a second blocking layer, a second interlayer dielectric combination layer, a third silver layer, a third blocking layer, a third interlayer dielectric combination layer, a fourth silver layer, a fourth blocking layer, an upper layer dielectric combination layer. The glass containing silver has the advantages of low emissivity, high visible light transmittance, no interference color appearance, high selection coefficient and good energy saving effect; the unique film layer structure has the advantages of good weatherability, difficult shedding and difficult oxidation, and can be widely popularized and applied to vehicle glass and civil architecture glass. The invention also provides a method for manufacturing low emissivity glass containing silver.

This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer. In the colored metallic pigment, the metal layer preferably comprises at least one metal selected from Sn, Pd, Pt and Au. The metallic particle preferably comprises at least one metal selected from Cu, Ni and Ag.

An object of the present invention is to provide a retroreflective member that can improve the visibility further. The retroreflective member includes a reflective layer and transparent microscopic beads 13. The retroreflective member gives a phase difference corresponding to a visible light wavelength to at least a part of incident light and recombines, emphasizes a light component having the visible light wavelength by interference, and returns coherent light having a visible light wavelength depending on the incident angle in the traveling direction of the incident light. The reflective layer includes a light-transmissive interference layer 14, and the interference layer 14 each has an optical layer thickness of 100 to 600 nm so as to generate an interference color having a visible light wavelength depending on the incident angle of light.

PCT No. PCT / JP97 / 02582 Sec. 371 Date May 27, 1998 Sec. 102(e) Date May 27, 1998 PCT Filed Jul. 25, 1997 PCT Pub. No. WO98 / 04936 PCT Pub. Date Feb. 5, 1998This invention is to provide a diffusing film, a lighting unit, and a liquid crystal display element which can efficiently uses a light from a light source and which can obtain a beautiful image. A diffusing film comprising a powder which diffuses an incident light and which has an interference color of the same wave range with an absorption wave range, in uniformly and a diffusing film comprising two or more of a powder whose interference colors are complementary to each other, and a liquid crystal display element using the same.

An antireflection substrate is provided, which has a base; an antireflection layer comprising a high refractive index layer (having a refractive index in a range of from 1.6 to 1.8) and a low refractive index layer (having a refractive index in a range of from 1.3 to 1.5), both refractive index layers being placed on one side of surface of the base in this order; and an antireflection layer comprising a low refractive index layer (having a refractive index in a range of from 1.4 to 1.5) placed on the other side of surface of the base. The antireflection substrate shows an excellent antireflection performance, has a weak interference color of reflecting light and can provide a screen image with little mottled pattern.

The present invention relates to a flake pigment, a preparation method thereof and a cosmetic composition comprising the same, and particularly to a flake pigment prepared by coating a metal oxide on the surface of a flake synthetic aluminum having predetermined ranges of an aspect ratio and an average particle diameter, wherein the pigment shows interference colors while reducing the glossiness, thereby enabling cosmetics containing the pigments to be superior in natural transparency and adhesive and slipping properties as well as in color expression and a mat feel due to a low glossiness, along with a preparation method thereof and a cosmetic composition comprising the same.

The invention relates to a preparation method of an optical interference pigment, and characterized in that: by an atomic layer deposition technology, alternately depositing high refractive index and low refractive index multilayer oxide thin films on a sheet substrate, and by accurate adjustment and control of the refractive index and thickness of thin film materials, obtaining the optical interference pigment with the color changed with change of visual angles. The atomic layer deposition technology can guarantee the inherent smoothness of the sheet substrate surface, has excellent covering power, and full realizes the expression of optical interference color. The preparation method of the optical interference color change pigment is used in the industries of paints, coatings, plastics, ceramics, glass and cosmetics.

The titanium materials of the present invention have an oxide film on the surface and an interference color of the oxide film. In forming a transparent coating layer on the surface of the titanium materials, provisions are made so that the oxide film has an thickness of 150 nm to 600 nm, or the interference color due to the anodic oxide film is developed by the actions of both wavelengths strengthened and weakened by interference and the color phases of the color developed by the wavelength strengthened by interference and that of complementary colors of the color developed by the wavelength weakened by interference are as close to each as not more than 90 degrees apart on the color wheel, or the L* value on the L*a*b* calorimetric system is not less than 33. The laminated glasses of the present invention having excellent ornamentality comprise at least said titanium sheet interposed between multiple sheet glasses layered together by means of adhesive layers.

A coloring pearlescent flake pigment capable of providing pearl-like luster caused by interference color and a vivid color caused by a tar color is provided as a new material which contributes to the diversification of cosmetics and paints thanks to its powdery smoothness and the visual effect as well as covering protection effect in an application layer. The coloring pearlescent flake pigment having a double coating layer which is formed on inorganic flake-like particles and which is composed of a high-refraction-index metal oxide (e.g., titanium dioxide) and a hydrotalcite-like coloring composition is produced by the following process: In an aqueous suspension containing inorganic flake-like particles coated with a high-refraction-index metal oxide, a soluble anionic dye, a plurality of soluble metallic salts which are the raw materials of a double hydroxide, and a neutralizing base including urea are allowed to react, so that a hydrotalcite-like coloring composition precipitates on the inorganic flake-like particles.

The invention relates to a method for identifying clay in micro-deposit (rock), which comprises the following steps: placing a rock slice under an orthogonality polarization microscope; moving to a delustring position; rotating an objective table for 45 DEG, paralleling the long shaft direction of the mineral to be measured with diagonal bisector of second-quadrant and fourth-quadrant in an ocular lens of the microscope; inserting a gypsum test panel; overlapping the large refractive index formed by positive ductility and prolongation direction of the mineral to be measured with small refractive index of a gypsum test panel, wherein the interference color of a clay mineral is first-grade yellow; determining the content of the clay mineral with yellow interference color by an area eye estimation percentage method; rotating the objective table for 90 DEG, paralleling the long shaft direction of the mineral to be measured with diagonal bisector of first-quadrant and third-quadrant in theocular lens of the microscope; overlapping the large refractive index formed by positive ductility and prolongation direction of the mineral to be measured with small refractive index Z of the gypsumtest panel, wherein the interference color of the clay mineral is purple; determining the content of the clay mineral with purple interference color by the area eye estimation percentage method; accurately, rapidly identifying the clay mineral in the micro-deposit (rock).

The invention relates to a device and a method for measuring the optical uniformity of optical glass and belongs to the field of optical glass detection. Refractive indexes of the optical glass are different due to stress. The measurement device comprises a light source component for supplying polarized light, an interference color forming component for allowing the polarized light capable of generating birefringence to form an interference color, a phase compensator for generating different optical distance differences, a CCD (charge coupled device) camera for photographing an interference color image and a computer for acquiring and processing the interference color image. The measurement device can obtain difference values of the refractive indexes of respective pixel points through the interference color image formed by the birefringence of the optical glass, so that the optical uniformity of the optical glass can be realized. The instruments used by the device are common optical devices, simple, readily available and low in cost; during measurement, the surface of the optical glass does not need to be specially treated, so that measurement steps are simplified, and the cost is further reduced.

The invention discloses a white and interference-color matte flaky core-covered pigment and a preparation method thereof and relates to the field of pearlescent pigments. A base material with the grain diameter D50<=5 micrometers is coated with white metallic oxide to form a coating layer. According to the method, the base material and water are mixed to form suspension liquid, a crystal grain modifier is put in the suspension liquid, a metallic oxide crystal type transforming agent is added into the suspension liquid, the pH value is regulated, a saline solution is added dropwise into the suspension liquid, the pH value of the suspension liquid is kept stable at the same time, stirring is continued after adding is over, the pH value of the solution is regulated, an anti-aggregation agent is added, and suction filtration, drying, calcining and cooling are performed on the solution after adding is over. Compared with the prior art, the pigment prepared through the method is small in grain diameter, very fine and smooth, quite obvious in skin effect, high in covering force, good in ultraviolet absorption effect, low in luster, remarkable in matte effect and capable of being widely applied to cosmetics, sun cream, pigment toning and other industries.

A process for the production of a color filter layer system structure on a substrate uses a structure lacquer layer which is deposited in a lift-off technique on the substrate. Lacquer layer surface regions and regions free of lacquer layer are present. Subsequently through a vacuum coating process a color filter layer system is deposited and subsequently with the lacquer layer surface regions the regions of the color filter layer system deposited thereon are removed. The deposition of the color filter layer system takes place through a plasma-enhanced coating at a temperature of maximally 150° C. The deposition takes place, for example, by sputtering or plasma-enhanced vapor deposition.