14 results about "Optical polymers" patented technology

A lens includes an optical polymer represented by:where R1 to R3 are each independently hydrogen, deuterium, halogen, or organic group comprising any one selected from substituted or unsubstituted C1-C60 alkyl group, substituted or unsubstituted C3-C60 cycloalkyl group, substituted or unsubstituted C1-C60 alkoxy group, substituted or unsubstituted C6-C60 aryl group, and substituted or unsubstituted C2-C60 heteroaryl group having at least one hetero atom selected from group consisting of N, O, and S, A1 is a single bond, an oxygen atom, or a sulfur atom, A2 is an oxygen atom or sulfur atom, B1 and B2 are each independently a single bond or an organic group represented by -al-D-al-, and n represents an integer of 5 or more and 500 or less, where al is a C1-C8 alkylene group, and D is —S(═O)2—X—, —X—S(═O)2—, —S(═O)2—X—S(═O)2—, —C(═O)—X—, —X—C(═O)—, —C(═O)—X—C(═O)—, carbonyl, alkenylene, alkynylene, ester, or ether, where X is a C6-C60 arylene group.

The invention relates to the technical field of ophthalmology optics, and discloses an implantable APD implant for treating presbyopia, and the method comprises the steps: carrying out the focal power mapping of a far-sight diopter component in a target optical parameter, obtaining the basic refraction surface type data, and carrying out the layout of a near-sight diopter component annular structure, and obtaining the diffraction phase structure data; carrying out integrated aberration balance on the two kinds of data to obtain a composite optical surface type data set; converting the phase variation in the composite optical surface type data set into an initial step height by combining a lens material and an environmental medium optical constant; obtaining diffraction structure morphology parameters based on material dispersion attribute optimization; constructing a digital processing map by taking the geometric position of the surface as a processing node and taking a topology and depth evolution relationship as a processing edge; performing microstructure construction on the surface of the optical polymer substrate according to the digital processing atlas to obtain an APD implant; according to the invention, the APD implantation processing efficiency and the optical adaptability efficiency can be improved.

The application is suitable for the technical field of photovoltaic modules, and provides an optical polymer, an application method, a cell, a photovoltaic module and a photovoltaic system.The optical polymer comprises, by weight, 20-50 parts of a photocuring oligomer, 30-60 parts of a photocuring monomer, 20-70 parts of high-refractive nanoparticles, 0.5-10 parts of a nanodispersion agent, 1-10 parts of a photoinitiator system and 0.1-5 parts of an auxiliary agent.The viscosity of the optical polymer is 8-25 mPa·s at a temperature of 40-60 degrees Celsius, and the refractive index of a cured film formed after curing of the optical polymer is 1.60-1.75 at a wavelength of 600 nm.Due to the synergistic effect of the specific sulfur-containing or high-refractive monomer and the surface-modified nanoparticles used in the optical polymer, the refractive index of the cured film formed after curing is 1.60-1.75 under irradiation at a wavelength of 600 nm, thus effectively matching the refractive index difference between the encapsulation adhesive film and the cell antireflection film, reducing the interface reflection loss, optimizing the light transmission, reducing the reflection loss at the interface between the encapsulation adhesive film and the cell antireflection film, and thus improving the efficiency of the photovoltaic module.

An optical polymer material includes an alternating copolymer made of a monomer of a styrene derivative and a monomer of a maleimide derivative, and has a nonlinear property in which the photoelastic coefficient of the optical polymer material decreases to a predetermined value with increase in composition ratio of the styrene derivative, and rises above the predetermined value with further increase in composition ratio of the styrene derivative. A composition ratio of the styrene derivative is within a predetermined range. An absolute value of the photoelastic coefficient is equal to or smaller than a first absolute value within the predetermined range of the composition ratio, and an absolute value of the intrinsic birefringence is equal to or smaller than a second absolute value of the optical polymer material within the predetermined range of the composition ratio.

An eyewear is disclosed. The eyewear comprising a front portion, a temple portion, and a hinge portion provided between and connecting with the front portion and the temple portion. Further, the front portion and the temple portion comprise an optical polymer material and the hinge portion comprises an elastomer.

The invention relates to the technical field of integrated optoelectronic devices, in particular to a silicon-organic polymer mixed slow light waveguide electro-optical modulator which comprises a silicon input and output waveguide, a grating type slow light silicon waveguide, a multi-mode interference waveguide, an organic electro-optical polymer cladding, a T-shaped metal modulation electrode and a silicon dioxide upper and lower cladding. The optical wave group speed is reduced through the grating type slow optical waveguide design, the photoelectric signal interaction is enhanced, and efficient modulation is achieved by combining the organic polymer with the high electro-optical coefficient. According to the invention, the modulation efficiency and bandwidth can be remarkably improved, the device size and power consumption are reduced, and the scene requirements of high-speed data center interconnection, high-performance calculation and the like are met.

The invention belongs to the technical field of optical polymer materials and chemical engineering, and relates to a microstructure light guide plate with high light uniformity and a preparation method thereof. The light guide plate is composed of polymethyl methacrylate and 2, 4-dihydroxy phenylacetamide which are subjected to synergistic grafting modification through fluorosilane-mercaptoethanol, and a dispersing agent, a surface energy regulator, an antioxidant and a light diffusion auxiliary agent are used as auxiliary materials. The modified polymethyl methacrylate forms a fluorine-containing, hydroxyl-containing and silicon-containing double-phase microstructure layer on the surface through esterification of mercaptoethanol and carboxyl of a main chain and condensation reaction of fluorosilane, so that the light scattering uniformity is improved; 2, 4-dihydroxyphenylacetamide forms a hydrogen bond network in a matrix, and light field distribution is homogenized. The preparation method comprises the following three steps: preparing a modified polymer, mixing to form a film, and imprinting the microstructure. The light guide plate has high transmittance, high brightness uniformity and excellent environmental stability, and is suitable for the field of liquid crystal display and backlight illumination.

The invention discloses a low-refractive-index transparent copolymer. The structural general formula of the transparent copolymer is shown as a formula (a). The copolymer material prepared by the invention has the characteristics of high light transmittance, low refractive index, easiness in processing, easiness in recovery and the like, and is a novel optical polymer material.

The invention discloses a thermosetting high-refractive-index sulfur-containing optical resin material as well as a preparation method and application thereof, and belongs to the technical field of high-refractive-index optical polymer materials. The sulfur-containing optical resin is a thermosetting high-refractive-index sulfur-containing optical resin material which is prepared by taking three components including a polythiol compound, isocyanate and a polyvinyl monomer as raw materials, taking an azo compound as a free radical initiator and taking a tin-containing metal organic compound as a catalyst through the technological processes of mixing, pre-polymerizing, degassing, pouring and curing. The obtained resin material has excellent optical performance, thermal performance and mechanical performance, the refractive index is 1.59-1.70 (nd, 589 nm), the abbe number is 25-45, the light transmittance is larger than or equal to 87%, and the yellowness index is lt; 2, the haze value is less than or equal to 1%; the thermal decomposition temperature (Td5) exceeds 250 DEG C, and the glass transition temperature exceeds 50 DEG C; in addition, the resin material also has good impact resistance.

A high refractive index polymer material includes a naphthalene group and at least one sulfur atom and is characterized by principal index of refraction nx, ny, and nz that are each greater than 1.5, where the sum of the principal indices of refraction nx + ny + nz is greater than 5.1.

The invention provides a light-emitting circularly polarized light extraction material and a preparation method and application thereof, and belongs to the technical field of organic photoelectric materials and information display. The preparation method comprises the following steps: dissolving a chiral monomer with a double-amino structure and a monomer with a double-isothiocyanate group in an organic solvent, and carrying out stepwise polymerization reaction at normal temperature to obtain the light-emitting circularly polarized light extraction material. The prepared luminescent circularly polarized light extraction material is an optical polymer with a main chain containing a chiral source and a high molar polarizability component, and the material has the capability of inducing an achiral luminescent material to generate circularly polarized light and excellent light extraction performance, and also has the characteristics of high transparency and high refractive index. The invention is characterized in that a circularly polarized luminescence induction function and a light extraction function are integrated into a single material system through molecular design, so that the synergistic enhancement of chiral optical performance and high-refraction light extraction performance is realized, and a new material solution is provided for developing a high-efficiency circularly polarized luminescent device.

The invention provides a recovery method of an optical polymer, and belongs to the technical field of polymer recovery and purification. The recovery method comprises the following steps: (1) mixing a to-be-recovered optical polymer with a solvent to obtain a raw material solution; (2) conveying the raw material liquid into a preheating device and a mixing device in sequence through a supercharging device, conveying an anti-solvent into the mixing device, and mixing the raw material liquid and the anti-solvent in the mixing device to obtain a mixture; and (3) conveying the mixture obtained in the step (2) into a separation device for separation to obtain an optical polymer phase and a solvent phase, and carrying out devolatilization treatment on the optical polymer phase to obtain the purified optical polymer so as to complete the recovery of the optical polymer. According to the invention, the recovery method of the optical polymer is designed, and the removal of impurities in the optical polymer to be treated and the recovery of the optical polymer are realized through the cooperation of all the steps.

The application relates to the field of ophthalmic optics, and discloses an APD implant for treating presbyopia, a method comprising: obtaining basic refractive surface data by mapping a far-vision diopter component optical power in target optical parameters; obtaining diffraction phase structure data by arranging a near-vision diopter component ring belt structure; integrating two kinds of data to balance integrated aberration and obtain a composite optical surface data set; converting phase change amount in the composite optical surface data set into initial step height in combination with lens material and environmental medium optical constants; optimizing the diffraction structure topography parameters based on material dispersion attributes; taking surface geometric positions as processing nodes and taking topological and depth evolution relationships as processing edges to construct a digital processing map; and constructing a microstructure on the surface of an optical polymer substrate according to the digital processing map to obtain the APD implant. The application can improve the processing efficiency and optical adaptability of the APD implant.

The invention specifically discloses a light-cured optical resin composition with high refractive index and high Abbe number and application thereof, and relates to the technical field of optical polymer materials. An optical element prepared from the photocuring optical resin composition provided by the invention has the advantages of high refractive index (nD is greater than or equal to 1.64), high Abbe number (Vd is greater than or equal to 40), low shrinkage (less than or equal to 3%) and low haze (less than or equal to 0.5%), is suitable for thick section forming of lenses, prisms, light guides and AR optical parts, has the advantages of rapid curing, low stress and high transparency, and meets the requirements of batch production.