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44results about How to "Polarized" patented technology

Polarizer, substrate structure and display panel

InactiveCN103969884APolarizedSimplify the implementation processPolarising elementsNon-linear opticsTectorial membraneEngineering
The invention provides a polarizer, a substrate structure and a display panel. The polarizer comprises an adhesive film, a first protection film, a polarization film, a second protection film and a surface protection film. The adhesive film is a conductive adhesive film and used for conducting static generated by a corresponding substrate. The polarizer has a polarization function, and also has a conductive function due to the conductive adhesive film. When the polarizer is adhered to the substrate, the conductive adhesive film can be directly connected with a corresponding grounding piece, grounding can be achieved without extra conductive adhesive tape or conductive gaskets, static release protection of the substrate is achieved, static release protection achieving processes are simplified, the problem of unfirm fixing is avoided, and the light leakage problem caused by fixing conductive gaskets is avoided.
Owner:BOE TECH GRP CO LTD +1

OLED display panel, manufacturing method, drive method and display device

The invention provides an OLED display panel, a manufacturing method, a drive method and a display device to reduce the thickness of the OLED display panel and to improve the brightness and the flexible bending degree of the OLED display panel. The OLED display panel comprises a light-emitting unit, a quarter-wave plate and a wire grid polarizer, wherein the quarter-wave plate and the wire grid polarizer are sequentially arranged on the light-emitting unit; the light-emitting unit comprises a drive backboard, a light-emitting layer and a cathode layer; the cathode layer comprises a plurality of cathode sub-electrodes which extend along a first direction and are insulated with one another; the cathode sub-electrodes transmit cathode signals during a display stage of the display panel and transmit touch drive signals during a touch stage of the display panel; the wire grid polarizer comprises a plurality of metal wires which extend along a second direction; at least one part of metal wires form a plurality of touch induction electrodes; the touch induction electrodes transmit touch induction signals during the touch stage of the display panel; and the second direction is intersected with the first direction.
Owner:BOE TECH GRP CO LTD

Liquid crystal display device

The invention provides a liquid crystal display device. A nano metal wire grid sheet is arranged on at least one of an upper substrate and a lower substrate; the nano metal wire grid sheet comprises a metal thin film and a metal wire grid unit arranged on the metal thin film; the metal wire grid unit comprises a plurality of metal strips which are arrayed in sequence and strip-shaped grooves located among the metal strips respectively; the metal thin film has a conductive function; and the metal wire grid unit has a polarization function. Compared with the prior art, a polarizer and an electrode in the substrate where the nano metal wire grid sheet is arranged can be replaced, so that the thickness of the liquid crystal display device can be greatly reduced and the heat resistance and the humidity resistance are improved; and meanwhile, the electrode is replaced with the nano metal wire grid sheet, so that a production process of an electrode material and the electrode is not needed and the production cost can be greatly reduced.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Infrared multi-wavelength absorber

The invention discloses an infrared multi-wavelength absorber, which comprises a substrate I 1, a structural layer I 2, an adhesive layer I 3, a dielectric layer 4, an adhesive layer II 5 and a structural layer II 6 in sequence, wherein the structural layer II 6 consists of a double cross structure array; the double cross structures are formed by splicing two cross structures; the angles of arrays in both x and y directions are 90 degrees; and the cycles in both x and y directions are of wavelength scale. According to the infrared multi-wavelength absorber, multi-wavelength absorption of an infrared band is realized by using the structure arrays of a single size; the infrared multi-wavelength absorber has a simple structural form and small thickness and is easy in control of the absorption characteristic; and the infrared multi-wavelength absorber has polarization characteristic and has broad application prospect in the application aspect of biosensors. A large volume of experimental data proves that the infrared multi-wavelength absorber has superior performance.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Single-mode single-polarization hollow negative curvature optical fiber

The invention discloses a single-mode single-polarization hollow negative curvature optical fiber. The invention discloses a hollow negative curvature optical fiber, which belongs to the technical field of hollow negative curvature optical fibers and comprises an outer cladding, four cladding tubes, a fiber core area, nesting tubes and a fiber core, wherein the four cladding tubes are uniformly arranged around the circle center of the outer cladding and cling to the inside of the outer cladding; the nesting tubes are respectively arranged in the cladding tubes and uniformly arranged around thecircle center of the outer cladding; the outer diameters of the four cladding tubes are equal, the wall thicknesses of the two cladding tubes in the Y direction are the same, the wall thicknesses ofthe two cladding tubes in the X direction are the same, the wall thickness of the cladding tubes in the Y direction is larger than that of the cladding tubes in the X direction, and the gaps between the adjacent cladding tubes in the circumferential direction are equal; the nesting tubes are tightly attached to the interiors of the cladding tubes and correspond to the position where the outer cladding is tightly attached to the cladding tubes; and the core area and other internal spaces are filled with air. At the working wavelength, the single-mode characteristic is good, the material is purequartz, the structure is simple, the effective mode field area is large, and the manufacturing efficiency is high.
Owner:四川天府江东科技有限公司

Display device and electronic equipment

The embodiment of the application provides a display device and electronic equipment. The display device comprises a display panel and a polarized light assembly, wherein the display panel and the polarized light are arranged in a stacked manner, the polarized light assembly comprises electrochromic strips which are arranged in a spacing manner and in parallel, every two electrochromic strips arespaced by one spacing strip, and the spacing strips are made from a transparent material. The electrochromic strips are used for displaying first color under the displaying state of the display panel.According to the display device and the electronic equipment disclosed by the embodiment of the application, the transmittance of the display device can be increased.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Light source, projection display apparatus and lamp

The invention provides a light source, a projection display apparatus and a lamp. The light source comprises a first excitation source and a second excitation source, and also comprises a wavelength conversion wheel; the wavelength conversion wheel comprises a wavelength conversion layer and a first reflective type polarizing film which are arranged in a stacked manner; the wavelength conversion wheel also comprises a first driving apparatus used for driving the wavelength conversion layer and the first reflective type polarizing film to turn; first excitation light and second excitation light are incident to a first position and a second position of the wavelength conversion wheel respectively to excite the wavelength conversion layer so as to emit first light with a first polarizing direction and second light with a second polarizing direction from the first position and the second position respectively; and the first light and the second light form mixed light in a position of a polarizing light mixing apparatus. According to the light source, the projection display apparatus and the lamp disclosed by the invention, based on the polarization property of the first light and the second light, the first light and the second light are combined into one beam through the polarizing light mixing apparatus, so that the luminance is greatly improved.
Owner:APPOTRONICS CORP LTD

Composite substrate, liquid crystal display screen, and manufacturing method

The invention discloses a liquid crystal display screen, a composite substrate, and a manufacturing method. The composite substrate comprises a substrate, a carbon nano-tube layer, and an optical alignment base material. The carbon nano-tube layer is bonded on the surface of the substrate through the optical alignment base material. The carbon nano-tube layer comprises a plurality of carbon nano tubes extending along a same direction. Since the extension directions of the plurality of carbon nano tubes in the carbon nano-tube layer are the same, the carbon nano tubes arranged in parallel would form a plurality of grooves arranged in parallel. The grooves can be used for initial alignment for liquid crystal molecules, that is, the carbon nano-tube layer can be used as an alignment layer. The carbon nano-tubes have polarization effect, and have transmission effect on light whose polarization direction is vertical to the extension direction of the carbon nano tubes, and have absorption effect on light whose polarization direction is parallel to the extension direction of the carbon nano tubes, that is, the carbon nano-tube layer can be used as a polarization layer. Thus, the composite substrate can be used as an alignment layer, and also can be used as the polarization layer. Therefore, the composite substrate is used as a TFT array substrate, and is simple in structure and low in cost.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1

Patterned sapphire substrate with nonpolar and semipolar surface, visual light communication light source with nonpolar and semipolar surface and preparation method thereof

The invention discloses a visible light communication light source based on a nonpolar and semipolar surface and a corresponding patterned sapphire substrate. A sapphire substrate is selected to be processed into grating-shaped strip-shaped patterns; the angle of the side wall of a step is optimized in the etching process, and the angle of a growth surface of the next step is optimized; a barrierlayer is designed on the patterned sapphire substrate, and a silicon oxide film is adopted as an epitaxial barrier layer; a GaN layer, an N-type GaN layer, an InGaN / GaN multi-quantum well layer, an electronic barrier layer and a p-type GaN layer are sequentially grown by adopting a chemical vapor phase epitaxy method, and the growth method of the GaN layer, the N-type GaN layer, the InGaN / GaN multi-quantum well layer, the electronic barrier layer and the p-type GaN layer is disclosed. The influence of quantum-limited Stokes effect is weakened by utilizing the advantages of non-polar / semipolarsurface on III-group nitride polarization regulation, the overlapping of electron-hole wave functions on real space is increased, and the radiation recombination proportion and the rate of current carriers are improved, and therefore, the method provided by the invention is suitable for effectively improvement of the visible light communication performances by adopting the nonpolar and semipolar surface technologies.
Owner:NANJING UNIV

Optical fiber with polarization function

The invention relates to an optical fiber with a polarization function. The optical fiber comprises a nanometer grating arranged inside the optical fiber. The optical fiber with the polarization function is simple in optical structure, low in cost, large in band width range of working and high in extinction ratio.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Foamed ceramic microsphere of core-shell structure and preparation method and application thereof

The invention discloses a preparation method of a foamed ceramic microsphere of a core-shell structure. The method comprises the steps of silica sol preparation, silica sol gelation, preparation of a silicic acid xerogel microsphere, washing-surface aging treatment, secondary washing and drying and high-temperature foaming. The foamed ceramic microsphere of the core-shell structure has the grain diameter of 0.3-5 mm and is of an inner-outer layered structure, a ceramic hermetic shell with the diameter of 45-55 micrometers is arranged on the outer layer of the microsphere, polygonal aggregates are composed of micron-grade particles on the surface of the ceramic hermetic shell, the interval of every two adjacent polygonal aggregates is 0.8-1.2 micrometers, holes with the diameter of 80-120 nm are distributed in the intervals, a plurality of capillary channels are distributed in the holes, the micron-grade particles are used as a base core, nano particles are deposited on the surfaces of the micron-grade particles, and the specific area of the microsphere of the particles with nano particles deposited is larger than that of a smooth microsphere with the same diameter by 3-4 orders of magnitude; the interior of the microsphere is of a three-dimensional cut-through net micropore structure, and hermetic balls with the diameter of 0.2-0.5 micrometers are distributed in the micropores.
Owner:陈虹

Liquid crystal multilayer stereoscopic displayer display mode

ActiveCN107390376ASolve the problem of not being able to imageSolve the problem of not being able to image clearlyStatic indicating devicesNon-linear opticsLiquid-crystal displayDisplay device
The invention relates to the field of electronics, particularly relates to the field of display, and provides a liquid crystal multilayer stereoscopic displayer display mode. At least two transparent liquid crystal display panels which are arranged in a front-and-back direction and have a frame display function are arranged. A light source arranged behind the rear transparent liquid crystal display panel is also arranged and called a backlight source. When the front transparent liquid crystal display panel displays the frame, the rear transparent liquid crystal display panel is in the transparent state so that the light of the backlight source is enabled to reach the front transparent liquid crystal display panel, and then the light is enabled to form the image through the front transparent liquid crystal display panel.
Owner:SHANGHAI KE DOU ELECTRONICS TECH CO LTD

Preparation method of silica-coated quantum rod

The invention provides a preparation method of a silica-coated quantum rod, the preparation method comprises the following steps of: (1) dissolving a solution of CdSe / CdS quantum rod in a solvent containing an emulsifier, and stirring and mixing; (2) dropping ammonia water into the mixed solution obtained in the step (1) to form microemulsion; (3) adding TEOS to the microemulsion obtained in the step (2) for reaction, and adding methanol to demulsify after the reaction to obtain the silica-coated quantum rod; according to the preparation method provided by the invention, the quantum rod is synthesized first, then the surface of the quantum rod is coated with a silica shell layer, the nanocrystal with a more efficient and stable silica-coated quantum rod structure is prepared; and comparedwith the quantum rod which is not coated with silica, the fluorescence quantum yield is obviously increased and is more stable; and because the rod-shaped nanocrystal has polarization characteristics,and can be applied to display devices with polarization functions.
Owner:SHENZHEN PLANCK INNOVATION TECH CO LTD

Liquid crystal panel, display device and liquid crystal panel manufacturing method

The invention discloses a liquid crystal panel, a display device and a liquid crystal panel manufacturing method. The liquid crystal panel comprises a first substrate, a second substrate and a liquid crystal molecular layer, the first substrate and the second substrate are oppositely arranged, and the liquid crystal molecular layer is arranged between the first substrate and the second substrate; the first substrate comprises a plurality of polarization structures; the polarization structure comprises a pixel electrode and a common electrode 122; the pixel electrode comprises a plurality of first strip-shaped blocks; the common electrode 122 comprises a plurality of second strip-shaped blocks; and the first substrate further comprises a plurality of metal wire grid structures, the metal wire grid structures are arranged below the common electrode 122, and the metal wire grid structures are connected through metal wires. The pixel electrode and the common electrode 122 which are of a strip-shaped structure are arranged, so that the pixel electrode and the common electrode 122 have the traditional pixel electric control function and also have the polarization effect, a traditional iodine-system polaroid or a dye-system polaroid is replaced, the problem that the light transmittance of the traditional polaroid is low is solved, and the display brightness of the display device is improved.
Owner:MIANYANG HKC OPTOELECTRONICS TECH CO LTD +1

Lens, light source module, photoelectric module and ceiling lamp

The invention discloses a lens, a light source module, a photoelectric module and a ceiling lamp and relates to the technical field of lighting. By means of the provided lens, installation space of the lens can be saved, and thus the situation that the lighting effect is influenced because light interference is generated is prevented from occurring. The lens comprises two lens units. Each lens unit comprises an installation surface and an irradiation-exiting surface which are oppositely arranged. The middle of each installation surface is sunken towards the direction of the irradiation-exitingsurface, and a cavity is formed. The wall surface of each cavity is the incident plane. The outline of projection, on the plane which the corresponding installation surface is located, of each incident plane comprises a first arc line and a second arc line which are connected into a closed loop structure and whose openings are opposite. The dimension, in the direction perpendicular to the centralsurface, of each second arc line is larger than that, in the direction perpendicular to the central surface by the first arc line. Each second arc line is arranged in a manner that the second arc line is close to the central plane of the lens body. Besides, the two lens units are integrally formed. The light source module, the photoelectric module and the ceiling lamp can be used for improving the property of the lens.
Owner:宁波公牛光电科技有限公司

Liquid crystal multilayer stereoscopic displayer driving system

InactiveCN107390377ASolve the problem of not being able to imageSolve the problem of not being able to image clearlyStatic indicating devicesNon-linear opticsLiquid-crystal displayControl signal
The invention relates to the field of electronics, particularly relates to the field of display, and provides a liquid crystal multilayer stereoscopic displayer driving system comprising at least one computer interface and at least one display screen driving circuit. The liquid crystal multilayer stereoscopic displayer driving system is characterized in that the displayer driving circuit is connected with a control signal line array used for outputting lattice control signals; and the control signal line array is divided into at least two groups of control signal line subarrays which are connected with at least two transparent liquid crystal display panels which are arranged in a front-and-back direction.
Owner:SHANGHAI KE DOU ELECTRONICS TECH CO LTD

Self-repairing composite material having polarization patterning capability and preparation method thereof

ActiveCN110938273AExhibit polarized optical propertiesExcellent polarized optical propertiesAdditive manufacturing apparatusOptical elementsInorganic saltsPolymer science
The invention discloses a self-repairing composite material having polarization patterning capability and a preparation method thereof. The preparation method includes: dissolving a monomer in a solvent with uniform mixing and adding an initiator to perform the polymerization reaction without oxygen to obtain a copolymer; adding nano metal to the copolymer, and heating and uniformly mixing the components to obtain a nano-metal polymer; dissolving inorganic salt containing Fe<3+> in polybasic acid, regulating pH value, adding the solution to the nano-metal polymer, heating and uniformly mixingthe components to obtain the self-repairing composite material. The composite material has important application value and prospect in the fields such as patterning, pattern concealing, optical encryption anti-counterfeiting and 3D printing.
Owner:SUN YAT SEN UNIV

Preparation method of multifunctional all-fiber-based piezoelectric nano generator

The invention discloses a preparation method of a multifunctional all-fiber-based piezoelectric nano-generator, which comprises the following steps: preparing an electrostatic direct-writing nano-fiber membrane by using an electrostatic direct-writing method, and then plating a conductive film on one side and carrying out single-side super-hydrophobic treatment; and then compounding with an electrostatic spinning nanofiber membrane to prepare the all-fiber-based piezoelectric nanogenerator. The nanofibers which are orderly arranged in the electrostatic direct-writing nanofiber membrane form certain pores, so that the electrostatic direct-writing nanofiber membrane has good air permeability. The conductive film is plated on the single side, so that the electricity conduction of the generator is realized, the packaging step of the traditional piezoelectric nano generator is avoided, and the good air permeability and comfort are ensured. The single-side super-hydrophobic treatment reaches a super-hydrophobic state, so that the piezoelectric nano generator is not easily interfered by external moisture in the use process, the external moisture is ensured not to easily enter the piezoelectric nano generator, the stable output performance is maintained, and meanwhile, water drops rolling on the surface of the generator can take away dust on the surface through the super-hydrophobic treatment, so that the power generation efficiency is improved. And therefore, a relatively clean state is kept.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Infrared multi-wavelength absorber

The invention discloses an infrared multi-wavelength absorber, which comprises a substrate I 1, a structural layer I 2, an adhesive layer I 3, a dielectric layer 4, an adhesive layer II 5 and a structural layer II 6 in sequence, wherein the structural layer II 6 consists of a double cross structure array; the double cross structures are formed by splicing two cross structures; the angles of arrays in both x and y directions are 90 degrees; and the cycles in both x and y directions are of wavelength scale. According to the infrared multi-wavelength absorber, multi-wavelength absorption of an infrared band is realized by using the structure arrays of a single size; the infrared multi-wavelength absorber has a simple structural form and small thickness and is easy in control of the absorption characteristic; and the infrared multi-wavelength absorber has polarization characteristic and has broad application prospect in the application aspect of biosensors. A large volume of experimental data proves that the infrared multi-wavelength absorber has superior performance.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Laser amplification method and solid laser amplifier based on disc crystal

The invention discloses a laser amplification method and a solid laser amplifier based on a disc crystal. Two amplification units share a disc crystal D, and seed light is amplified by the disc crystal D in one amplification unit, and thereafter the collimation and beam expanding of the amplified seed light is carried out, and then the seed light is transmitted to the other amplification unit, and is further amplified by the disc crystal D. The method and the device provided by the invention are advantageous in that the seed light of low energy level is amplified, and thereafter is further amplified after the collimation and beam expanding, and therefore on one hand, overhigh peak power caused by one-time direct amplification is prevented, and instruments and elements are prevented from being damaged, and on the other hand, output light beams tend to be flat, and shaping effect is achieved; light spots of different sizes in the two amplification units are transmitted to the same disc crystal D to acquire gain, and therefore the utilization rate of the gain area of the disc crystal D is greatly improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Blue light polarizing thin film and preparation method thereof as well as blue light backlight source and liquid crystal display device

The invention discloses a blue light polarizing thin film and a preparation method thereof as well as a blue light backlight source and a liquid crystal display device. The blue light polarizing thin film disclosed by the invention is a multi-layer thin film formed by virtue of layer-by-layer deposition of magnesium-aluminum hydrotalcite and tri(8-hydroxyquinoline-5-sulfonic acid) aluminum. The maximum emission value of fluorescence spectrum of the blue light polarizing thin film disclosed by the invention is 470-490nm; within a blue light area and fractional anisotropy of fluorescence is 0.1-0.2, the thin film has a polarizing characteristic and is applicable to the backlight source of a liquid crystal display.
Owner:BOE TECH GRP CO LTD +1

A preparation method of a polarizing film, a display substrate and a display device

The invention discloses a preparation method of a polarizing film, a display substrate and a display device. An aluminum oxide nanotube layer of which the extending direction is parallel to a lining substrate is formed on the lining substrate; all aluminum oxide nanotubes in the aluminum oxide nanotube layer are filled with first metal, so that the aluminum oxide nanotube layer formed on the lining substrate has the polarized property. According to the preparation method of the polarizing film, the display substrate and the display device, the polarizing film is prepared on the lining substrate in situ, and a polaroid does not need to be attached to the lining substrate; in addition, a ripe electrochemical technology is adopted, and compared with an existing method for preparing the polarizing film through an NIL technique or an exposure technology, the preparation method has the advantages that no complex technology is needed, the cost is low, and the preparation method is suitable for large-size production.
Owner:BOE TECH GRP CO LTD +1

Heterogeneous material structured multilayer film wave absorber and manufacturing method thereof

The invention discloses a heterogeneous material structured multilayer film wave absorber and a manufacturing method thereof. A structured multilayer film comprises a silicon substrate, an Ag film, aSiO2 film and a SiNx film which are sequentially stacked from bottom to top, the whole structured multilayer film is a micro-pyramid structure array. During preparation, a single-point diamond turningtechnology is adopted to directly complete forming of the micro-pyramid structure in the heterogeneous material multi-layer thin film. The heterogeneous material structured multilayer film wave absorber provided by the invention shows obvious wave absorbing characteristics on visible light waves and infrared band light waves; the heterogeneous material structured multilayer film wave absorber containing the metal-medium can realize absorption of electromagnetic wave energy, is low in preparation cost and high in efficiency, and has important practical value in the fields of photovoltaics andinvisibility.
Owner:XIAN TECHNOLOGICAL UNIV

A kind of oled display panel, manufacturing method, driving method and display device

The present application provides an OLED display panel, a manufacturing method, a driving method and a display device, so as to reduce the thickness of the OLED display panel and improve the brightness and flexibility of the OLED display panel. The OLED display panel includes: a light-emitting unit, and a quarter-wave plate and a wire grid polarizer sequentially arranged on the light-emitting unit, wherein the light-emitting unit includes a driving backplane, a light-emitting layer, and a cathode layer. The cathode layer includes a plurality of cathode sub-electrodes extending along the first direction and insulated from each other, the cathode sub-electrodes transmit cathode signals during the display phase of the display panel, and transmit touch driving signals during the touch phase of the display panel; the wire grid The polarizer includes a plurality of metal wires extending along the second direction, at least some of the metal wires form a plurality of touch sensing electrodes, and the touch sensing electrodes transmit touch control during the touch control phase of the display panel. A signal is sensed, the second direction intersects the first direction.
Owner:BOE TECH GRP CO LTD

Fin type field effect transistor and preparation method thereof

The invention provides a fin type field effect transistor and a preparation method thereof. The preparation method comprises the following steps of S1, forming a first fin body isolated from a substrate on the substrate, wherein the first fin body consists of a first region, a second region and a third region which are connected in sequence in the length direction; and S2, forming an interface oxide layer, a ferroelectric layer and a gate which are laminated around the exposed surface of the second region in sequence, wherein the preparation method also comprises the following steps of forminga source / drain in the first region and the third region, wherein the source / drain is connected with the two ends of the second region. By virtue of the preparation method, the gate control capabilityof the device is improved, electric leakage of the device is lowered, and the sub threshold value slope of the device can be greatly lower than 60mV / dec.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI +1

Light sources, projection display devices and lamps

The invention provides a light source and a projection display device and a lamp thereof. The light source comprises a first excitation source, a second excitation source and a wavelength conversion wheel, the wavelength conversion wheel comprises a wavelength conversion layer and a first reflective polarizing film which are arranged in laminated mode, and the wavelength conversion wheel further comprises a first driving device for driving the wavelength conversion layer and the first reflective polarizing film to rotate. The first excitation source and the second excitation source are respectively in incident at a first position and a second position of the wavelength conversion wheel to excite the wavelength conversion layer so as to enable a first light with a first polarization direction and a second light with a second polarization direction to be emitted out from the first position and the second position respectively, and the first light and the second light form combined light at the position of a polarization light combining device. According to the light source, the projection display device and the lamp, polarization characteristics of the first light and the second light are utilized, the first light and the second light are combined into one beam by using the polarization light combining device, and luminance is improved greatly.
Owner:APPOTRONICS CORP LTD

A self-healing composite material with polarization patterning ability and its preparation method

ActiveCN110938273BExhibit polarized optical propertiesExcellent polarized optical propertiesAdditive manufacturing apparatusOptical elementsInorganic saltsPolymer science
The invention discloses a self-repairing composite material having polarization patterning capability and a preparation method thereof. The preparation method includes: dissolving a monomer in a solvent with uniform mixing and adding an initiator to perform the polymerization reaction without oxygen to obtain a copolymer; adding nano metal to the copolymer, and heating and uniformly mixing the components to obtain a nano-metal polymer; dissolving inorganic salt containing Fe<3+> in polybasic acid, regulating pH value, adding the solution to the nano-metal polymer, heating and uniformly mixingthe components to obtain the self-repairing composite material. The composite material has important application value and prospect in the fields such as patterning, pattern concealing, optical encryption anti-counterfeiting and 3D printing.
Owner:SUN YAT SEN UNIV

Manufacturing method of optical compensation film, optical compensation film, polarizing sheet and liquid display device

ActiveCN1920645BStable and continuous manufacturingExcellent optical compensation functionPolarising elementsNon-linear opticsHeating timeLiquid-crystal display
The present invention provided a method for stably and continuously manufacturing an optical compensating film which has a superior optical compensating function for an OCB type liquid crystal display device and also has small optical unevenness, and to provide the optical compensating film obtained by the method, a polarizer using the same, and a liquid crystal display device. Disclosed are the method for manufacturing the optical compensating film having a stage of forming a liquid crystal compound layer by coating a base with coating liquid containing a polymerizable liquid crystal compound, a stage of forming an optical anisotropic layer by aligning the liquid crystal compound after drying the liquid crystal compound layer and then fixing the alignment, and a stage of further heating the optical anisotropic layer at heating temperature of 40 to 150 DEG C for a heating time of 5 to 3,000 seconds after fixing the alignment of the liquid crystal compound, the optical compensating film obtained by the method, the polarizing plate using the same and the liquid crystal display device.
Owner:FUJIFILM CORP
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