Entries |
Document | Title | Date |
20080230931 | Process and Installation for Molding an Optical Lens - The object of the invention is a process for molding an optical element such as a lens ( | 09-25-2008 |
20080230932 | MOLDING APPARATUS AND MOLDING METHOD FOR OPTICAL ELEMENTS - There is provided a molding apparatus and a molding method for optical elements, which are capable of conveying respective molds to respective correct positions. | 09-25-2008 |
20080237903 | METHOD OF MANUFACTURING THERMOPLASTIC RESIN FILM - A method of manufacturing a thermoplastic resin film, comprising the steps of:
| 10-02-2008 |
20080251955 | METHOD AND APPARATUS IMPROVING VISION AND THE RESOLUTION OF RETINAL IMAGES - A method of and apparatus for improving vision and the resolution of retinal images is described in which a point source produced on the retina of a living eye by a laser beam is reflected from the retina and received at a lenslet array of a Hartmann-Shack wavefront sensor such that each of the lenslets in the lenslet array forms an aerial image of the retinal point source on a CCD camera located adjacent to the lenslet array. The output signal from the CCD camera is acquired by a computer which processes the signal and produces a correction signal which may be used to control a compensating optical or wavefront compensation device such as a deformable mirror. It may also be used to fabricate a contact lens or intraocular lens, or to guide a surgical procedure to correct the aberrations of the eye. Any of these methods could correct aberrations beyond defocus and astigmatism, allowing improved vision and improved imaging of the inside of the eye. | 10-16-2008 |
20080265447 | METHOD OF INPRINTING PATTERNS AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE BY USING THE SAME - A method of imprinting patterns, which is capable of enhancing the arrangement accuracy of a mold. The method includes spreading a resin on a substrate, temporarily compressing a mold toward the substrate having the resin spread thereon, moving the mold and the substrate relative to each other to arrange the mold and the substrate with respect to each other, compressing the mold toward the substrate, and curing the resin | 10-30-2008 |
20080265448 | Method transparent member, optical device using transparent member and method of manufacturing optical device - In a method of manufacturing an optical device, a whole substrate is first prepared which has a plurality of regions corresponding to substrates constituting a plurality of optical devices, respectively. A plurality of chips are then mounted to the plurality of regions, respectively. A whole sealing member having a plurality of sealing members is integrally attached to the whole substrate to form an intermediate body. The intermediate body is divided into the above-described regions. Thus, the optical device having a substrate, a chip as an optical element mounted to the substrate and a sealing member with transparency provided at the substrate for the purpose of sealing the chip is manufactured. This manufacturing method improves the efficiency of manufacturing an optical device. | 10-30-2008 |
20080303179 | METHOD FOR MOLDING AN OPTICAL ELEMENT AND MOLDING APPARATUS THEREFOR - There are provided a molding method and a molding apparatus for an optical element, which are capable of heating or cooling a material in a mold with a symmetrical temperature distribution that corresponds to the shape or the optical performance of an optical element to be molded. | 12-11-2008 |
20080308957 | METHOD AND APPARATUS FOR FORMING A MINIATURE LENS - A method and apparatus for precisely manufacturing a miniature lens for use in a digital camera for a cell phone, for example. The lens is manufactured using an optic pin that creates an optical surface of the lens and a mechanical alignment portion of the outer diameter of the lens in a single step. For example, the optic pin may be created in a single diamond-turning process. | 12-18-2008 |
20090001619 | OPTICAL GLASS FORMING MOLD AND METHOD FOR PRESS-FORMING OPTICAL GLASS USING SUCH OPTICAL GLASS FORMING MOLD - The invention provides: a mold for molding optical glass, the mold comprising: a mold base; and a protective film comprising one or two or more layers formed on the mold base, the outermost layer of the protective film containing one or more elements selected from the group consisting of Al, Ga, In, Tl, Ge, Sn, Pb, As, Sb, Bi, S, Se, and Te; a process for producing the mold; and a process for press-molding with the mold. | 01-01-2009 |
20090039535 | Extended Wear Ophthalmic Lens - A method for making a silicone hydrogel contact lens is provided. In one embodiment, a prepolymer mixture is polymerized in a lens mold in an atmosphere having less than about ppm oxygen to form a silicone hydrogel contact lens suitable for extended wear as characterized by producing less than 10% corneal swelling after a period of continuous wear of 7 days including normal sleep periods. In one embodiment, the prepolymer mixture comprises at least one oxyperm material containing hydrophilic groups, wherein the at least one oxyperm material is a siloxane-containing macromer or monomer, at least one ionperm material, and a cross-linking agent. In certain embodiments, the polymerization of the prepolymer mixture may be carried out in an atmosphere having less than about 1000 ppm oxygen. | 02-12-2009 |
20090045532 | Thin film in-line degasser - The present invention relates to a stackable packing element for use in degassing liquid ophthalmic lens monomer and a lens resulting therefrom. One or more stackable elements can be used to form a modular degasser and implement an in-line degassing process, employing same. The stackable packing element is comprised of a body module and a removable puck component. | 02-19-2009 |
20090160073 | Method for cast molding contact lenses - An improved method of cast molding contact lenses, wherein a lens forming mixture is cured in the lens-shaped cavity formed between molding surfaces of a male and female mold sections, wherein the improvement comprises at least one of sections is injection molded from a controlled rheology polypropylene. | 06-25-2009 |
20090166903 | MOLDED WAVEGUIDES - Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent or fluid precursor also can be transferred from indentations in an applicator to a substrate surface. The substrate surface can be planar or non-planar. Fluid precursors of polymeric structures, inorganic ceramics and salts, and the like can be used to form patterned polymeric articles, inorganic salts and ceramics, reactive ion etch masks, etc. at the surface. The articles can be formed in a pattern including a portion having a lateral dimension of less than about 1 millimeter or smaller. The indentation pattern of the applicator can be used to transfer separate, distinct chemically or biochemically active agents or fluid precursors to separate, isolated regions of a substrate surface. Waveguide arrays, combinatorial chemical or biochemical libraris, etc. can be made. Differences in refractive index of waveguide and cladding can be created by subjecting the waveguide and cladding, made of indentical prepolymeric material, to different polymerization or cross-linking conditions. Interferometers are defined by coupling arrays of waveguides, where coupling can be controlled by altering the difference in refractive index between cladding and waveguide at any desired location of the array. Alteration and refractive index can be created photochemically, chemically, or the like. Sensors also are disclosed, including biochemical sensors. | 07-02-2009 |
20090218705 | METHODS AND SYSTEMS FOR PROCESSING SILICONE HYDROGEL OPHTHALMIC LENSES FOR IMPROVED LENS TRANSFER - This invention includes methods and systems for processing silicone hydrogel ophthalmic lenses using aqueous solutions which contain dimethyl siloxane as as processing aids to facilitate lens transfer. | 09-03-2009 |
20090230575 | Method for cast molding contact lenses - The invention provide a method for cast-molding hydrogel contact lenses, especially silicone hydrogel contact lenses by using plastic molds of a poly(cycloalkylene-dialkylene terephthalate) copolymer. These plastic molds do not need to be degassed and stored in an oxygen-free atmosphere (e.g., N | 09-17-2009 |
20090289380 | METHOD OF MANUFACTURING FORMED ARTICLE, COVERING MEMBER, AND FORMING APPARATUS COMPRISING THE SAME - The present invention relates to a method of manufacturing a formed article forming an upper surface of a forming material comprised of a thermosoftening substance into a desired shape by positioning the forming material on a forming surface of a mold and heating the forming material to a temperature permitting deformation to bring a lower surface of the forming material into tight contact with the forming surface. The forming is conducted while an exposed portion on the forming surface side of the mold upon which the forming material has been positioned is covered with a covering member. The present invention further relates to a covering member and a forming apparatus. According to the present invention, formed articles with a desired shape can be formed with high accuracy by preventing the contamination of upper surface of forming materials by foreign matter during forming. | 11-26-2009 |
20090289381 | METHOD OF ENCAPSULATING OPTOELECTRONIC COMPONENTS - Method of encapsulating optoelectronic components, by embedding the components to be encapsulated between a first transparent polymer layer and a second polymer layer, which is filled with unactivated foaming agent, and then activating the foaming agent, so that the two polymer layers join to one another, in particular weld to one another, and the components are enclosed between the two polymer layers. | 11-26-2009 |
20090309246 | Apparatus and Method for Handling an Opthalmic Lens - In a first aspect, the present invention provides an apparatus and method including a servo driven lens release head for releasing a cured lens in the dry state from the mold section in which it is adhered following mold release. The servo load parameters may be changed according to the lens type being processed. In a second aspect of the invention, the present invention provides an apparatus and method for retrieving the loosened lens from the mold section and transferring the lens to a lens inspection apparatus followed by either a lens rejection or transferring the passed lens to a receptacle for subsequent lens processing and packaging. The three substations of lens release, lens inspection and lens deposit are annularly spaced 120° from each other and three lenses may therefore be simultaneously processed through 120° incremental movement of three pick and place heads. | 12-17-2009 |
20090315198 | Metal Mold Assembly for Optical Part and Method of Setup Therefor - A mold assembly that is adapted to clamp fixed mold and movable mold together while making temperature adjustment and inject a molding material into a molding cavity provided therebetween, thereby producing an optical part. The mold assembly is one including fixed platen supporting fixed mold, provided on a part of its mold-side surface with locating hole and including ring of configuration with external and internal surfaces, fitted at its external surface in the locating hole, wherein the fixed mold is provided with a locating projection protruding toward the fixed platen, fitted in the internal surface of the locating hole, and wherein the ring consists of a material whose linear expansion coefficient is smaller than those of the material of the fixed platen and the material of the locating projection. | 12-24-2009 |
20100007036 | RESIN-CEMENTED OPTICAL ELEMENT, MOLD THEREFOR, FABRICATION PROCESS THEREOF, AND OPTICAL ARTICLE - The present invention provides a resin-cemented optical element comprising a base member | 01-14-2010 |
20100025868 | APPARATUS AND METHOD FOR MANUFACTURING OPTICAL ELEMENTS - An apparatus for manufacturing optical elements at wafer level includes a lower mold core, an upper mold core, an aligning plate and an image pick-up device. The lower mold core has a lower alignment mark. The upper mold core has an upper alignment mark. The aligning plate has a first middle alignment mark corresponding to the lower alignment mark and a second middle alignment mark corresponding to the upper alignment mark. The image pick-up device is configured for capturing and analyzing images of the alignment marks to align the lower mold core, the aligning plate and the upper mold core. | 02-04-2010 |
20100025869 | METHOD OF MANUFACTURING MOLDED ARTICLE FORMED WITH THERMOSETTING RESIN AND INJECTION MOLDING APPARATUS - There is provided a method of manufacturing a molded article formed with a thermosetting resin and an injection molding apparatus so that occurrence of blurs and containing of bubbles at the time of molding can be prevented. Provided is a method of manufacturing a molded article formed with a thermosetting resin by using a mold including: a cavity for molding a product part; a gate which commutes with the cavity to guide a liquid thermosetting resin into the cavity, thereby forming a gate part; a runner which commutes with the gate part to guide the liquid resin into the gate part, thereby forming a runner part; and an overflow catcher which commutes with the cavity to receive the liquid resin overflown from the cavity, thereby forming an overflow part, wherein the method includes: an injecting process of injecting the liquid resin from the runner through the gate to the cavity, until the overflow catcher is filled from the cavity; a hardening process of heating the liquid resin in the mold, thereby hardening the liquid resin; a demolding process of demolding a resin molded article having the runner part, the gate part, the product part, and the overflow part from the mold; and a cutting process of detaching the gate part and the overflow part from the product part of the demolded resin molded article. | 02-04-2010 |
20100032852 | METHOD OF CASTING PLASTIC LENS STARTING MATERIAL LIQUID AND CASTING APPARATUS, AND METHOD OF MANUFACTURING PLASTIC LENS - A method of casting a plastic lens starting material liquid using a casting apparatus comprising at least a mixing and discharging part and a casting part, and casting a plastic lens starting material liquid sequentially into multiple casting molds. Discharge of the plastic lens starting material liquid from the mixing and discharging part is halted based on a discharge halt preparation completion signal transmitted by the casting part, the discharge that has been halted is recommenced (1) at least based on a discharge recommencement preparation completion signal transmitted by the casting part or (2) by reception by the mixing and discharging part of a forced discharge start signal transmitted upon elapsing a predetermined time following halting of the discharge or following reception of the discharge halt preparation completion signal without transmission of a discharge recommencement preparation completion signal by the casting part, and the stirring in the mixing and discharging part is continued during the period when the discharge is halted. | 02-11-2010 |
20100052194 | APPARATUS AND METHOD FOR RELEASING A LENS MOLDED IN A CAVITY BETWEEN POSTERIOR AND ANTERIOR MOLD SECTIONS - An apparatus and method for releasing a lens moulded in a cavity between posterior ( | 03-04-2010 |
20100072638 | LIGHT GUIDE PLATE MOLD AND METHOD FOR MANUFACTURING LIGHT GUIDE PLATE USING SAME - A light guide plate mold is configured for manufacturing a light guide plate having a number of microstructures. The light guide plate mold includes a substrate and a number of heating members. The substrate defines a number of grooves therein. The heating members are respectively received in the grooves. Each heating member has a height less than a depth of the corresponding groove. The grooves and the heating members cooperatively define a number of receiving spaces for forming the microstructures of the light guide plate. | 03-25-2010 |
20100090357 | OPTICAL DEVICE MOLDING SYSTEM - A substrate having a plurality of protrusion members on its surface is molded by a molding system comprising first and second molds cooperating to apply a clamping force onto the substrate for molding, and a middle plate located between the first and second molds such that the substrate is clamped between the middle plate and the first mold during molding. A plurality of molding cavities is located on the second mold and through-holes formed in the middle plate correspond to positions of the molding cavities, such that each through-hole is sized and configured for inserting a protrusion member of the substrate to enable each protrusion member to be in communication with a molding cavity of the second mold. Molding compound is molded onto the protrusion members by the molding cavities during molding. | 04-15-2010 |
20100096763 | BIOPOLYMER OPTOFLUIDIC DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a biopolymer optofluidic device including providing a biopolymer, processing the biopolymer to yield a biopolymer matrix solution, providing a substrate, casting the biopolymer matrix solution on the substrate, embedding a channel mold in the biopolymer matrix solution, drying the biopolymer matrix solution to solidify biopolymer optofluidic device, and extracting the embedded channel mold to provide a fluidic channel in the solidified biopolymer optofluidic device. In accordance with another aspect, an optofluidic device is provided that is made of a biopolymer and that has a channel therein for conveying fluid. | 04-22-2010 |
20100102463 | Method For Mixing A Fluid With At Least One Further Substance And Degassing The Mixture And For Delivering The Mixture - A fluid is mixed with at least one further substance, the fluid mixture is degassed and delivered in such a way that the mixture is prepared in a preparation phase with the following steps:
| 04-29-2010 |
20100109172 | MOLD FOR MAKING LENS ARRAY AND METHOD FOR MAKING LENSES - An exemplary mold for molding a lens array includes a first mold core having a first molding surface and a second mold core having a second molding surface. The first and second molding surfaces each include spaced first and third molding portions arranged in an array and second and fourth molding portions, respectively. The first molding portions are interconnected by the second molding portions. The third molding portions are interconnected by the fourth molding portions. When the first mold core and the second mold core are in a ready position, a chamber is defined between the first molding surface and the second molding surface by having a space being maintained between each the first molding portion and the third molding portion and having a space being maintained between each the second molding portion and the fourth molding portion. | 05-06-2010 |
20100127411 | METHOD OF MANUFACTURING OPTICAL MEMBER, METHOD OF MANUFACTURING PLASTIC LENS, GASKET FOR MOLDING PLASTIC LENS, AND JIG FOR CASTING MONOMER - A method of manufacturing an optical member by mixing isocyanate terminal prepolymer component (A) and aromatic diamine component (B), and immediately after mixing, casting a mixture into a casting mold to obtain a molded article. A method of manufacturing a plastic lens by mixing said components (A) and (B), immediately after mixing, casting a mixture into a casting mold and polymerizing it to obtain a molded article. A gasket for molding plastic lenses comprised of a cylindrical member. A casting mold for molding plastic lenses using this gasket and a monomer casting jig. | 05-27-2010 |
20100155972 | INJECTION MOLDED OPHTHALMIC LENS MOLD - An ophthalmic lens mold comprising a mold half having a front side and a back side, wherein an optical surface on the front side is formed by a film or sheet material and wherein the main body of the mold half is formed by an injection moldable bulk material. The film or sheet material may be provided by over-molded in an injection molding process with the injection moldable bulk material. Also provided is a respective mold assembly comprising the ophthalmic lens mold and a method for making an ophthalmic lens with the ophthalmic lens mold. | 06-24-2010 |
20100176522 | OPTICAL-PARTS MOLDING DIE AND OPTICAL-PARTS MANUFACTURING METHOD - A die having a plurality of cavities and a temperature sensor for acquiring a temperature value in which the number of the cavities is larger than that of electrothermal conversion elements. When viewed from a direction perpendicular to the surface of a parting line, all cavities and a temperature sensor are arranged in a region occupied by the electrothermal conversion elements. Interval between the outlines of the cavities is smaller than the minimum interval between the outline of the cavity and the electrothermal conversion element, and the shortest distance between the electrothermal conversion element and the temperature measuring portion of a temperature measuring element is shorter than the minimum interval between the outline of the cavity and the electrothermal conversion element. | 07-15-2010 |
20100201009 | METHODS AND SYSTEMS FOR FORMING OPHTHALMIC LENS MOLD ASSEMBLIES - Methods and systems are provided for making an ophthalmic lens. The present methods and systems are effecting in coupling two mold sections together at two or more discrete regions. Embodiments of the methods and systems form a bore that extends completely through one of the mold sections and only partially through the other mold section. During formation of the bore, the mold material in proximity to the bore being foamed becomes molten and diffuses from the bore. A portion of the molten mold material is provided at a contact point between the two mold sections and when the molten material cools, the material foams a spot weld between the mold sections. By foaming multiple hollow spot welds in a mold assembly, the two mold sections can be securely coupled to each other during the manufacture of an ophthalmic lens, such as a silicone hydrogel contact lens. | 08-12-2010 |
20100213626 | Diffusion film light diffusion structure molding process and installation thereof - A molding process of light diffusion structure on a diffusion film and a molding installation thereof; resin is hot melted into paste state before being extruded into a diffusion film; one or a plurality surface of the diffusion film being rolled to be provided with multiple light diffusion structures corresponding to multiple patterns disposed on the surface of the roller; when streams of light pass through the diffusion film, they are either reflected or diffused by those diffusion structures so to achieve the purposes of light diffusion and uniform diffusion. | 08-26-2010 |
20100213627 | CORRUGATED PATTERN FORMING SHEET, AND METHODS FOR MANUFACTURING ANTIREFLECTOR, RETARDATION PLATE, ORIGINAL PROCESS SHEET PLATE, AND OPTICAL ELEMENT - A corrugated pattern forming sheet exhibiting excellent performance when being used as optical elements, such as an antireflector and a retardation plate is provided. A corrugated pattern forming sheet of the invention includes a resin layer, and a hard layer provided at least in a portion of an outer surface of the resin layer. The hard layer is made of a metal or a metallic compound. The hard layer has a wavelike corrugated pattern. The average pitch of the corrugated pattern is 1 μm or less, and the average depth of the bottom of the corrugated pattern is 10% or more given an average pitch of 100%. | 08-26-2010 |
20100225013 | METHOD FOR PRODUCING OPTICAL MEMBER AND OPTICAL MEMBER FORMED BY THE PRODUCTION PROCESS - A method for producing an optical member from a nanocomposite material which includes a thermoplastic resin containing inorganic fine particles is provided. The method includes:
| 09-09-2010 |
20100289161 | MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF SHAPED ARTICLE - There is provided a method of manufacturing a shaped article having a plurality of lens sections arranged one-dimensionally or two-dimensionally and a substrate section connecting the lens sections, the lens sections and the substrate section being integrally made of a resin material. The resin material is cured between a transfer surface of a first mold, which is fit to one side surface of the shaped article, and a transfer surface of a second mold which is fit to an opposite side surface of the shaped article. A space between the transfer surface of the first mold and the transfer surface of the second mold is narrowed in accordance with contraction of the resin material caused by the curing, and the transfer surface of the first mold and the transfer surface of the second mold are kept in tight contact with the resin material. | 11-18-2010 |
20100295195 | METHOD OF MOLDING LENS ARRAY - An exemplary method for making a lens array having many lenses includes the follow steps. A light pervious substrate including a supporting surface is firstly provided. Secondly, a molten molding material is applied on the supporting surface. Thirdly, a pressing mold including many molding parts is provided, each molding part including a molding cavity for molding the lens. Fourthly, the pressing mold is pressed on the molten molding material. Fifthly, the molten molding material is half-cured, thereby forming a half-cured molding material. Sixthly, the half-cured molding material is pressed by the pressing mold. Seventhly, the half-cured molding material is fully cured to form each lens in each molding cavity. Finally, the pressing mold is removed from the light pervious substrate to form the lens array. | 11-25-2010 |
20100301499 | MOLD AND METHOD FOR MANUFACTURING FRESNEL LENS - A mold for manufacturing Fresnel lenses includes a carrying holder, and a mold core including a bottom side surface adjacent to the carrying holder and a top side with a molding structure, wherein the mold core further comprises a number of through holes connected between the molding structure and the bottom side surface, and the carrying holder further comprises a number of pumping holes connected with the through holes. | 12-02-2010 |
20100301500 | METHOD FOR PRESS MOLDING LENS ARRAY - A method for press molding a lens array is provided. First, a mold core is provided. The mold core has a first surface having a first alignment formed thereon using a lithography method, and a lens molding surface array and a second alignment formed thereon using an ultra-precision machining method. Then, a substrate is provided. The substrate has a second surface having a third alignment mark formed thereon using the lithography method. The substrate is first aligned with the mold core by aligning the third alignment mark with the first alignment mark, then is further aligned by offsetting the substrate the spacing between the first and second alignment marks to align the center of the substrate with the center of the lens molding surface array. Finally, a molding material is applied on the substrate, then the mold core is applied on the molding material to press mold the lens array. | 12-02-2010 |
20100327468 | VOLUME-BASED DISPENSING CONTROL METHOD - A volume-based dispensing control method is capable of enabling a pump to dispense a resin with greatly increased accuracy. The method includes: a preliminary dispensing step in which a resin is dispensed on one or more workpieces with a pump; a volume measuring step in which the workpieces passed through the preliminary dispensing step is scanned by an optical scanner to measure a dispensed resin volume; a corrected-volume calculating step in which a corrected volume of the resin to be additionally dispensed is calculated by using a difference between the dispensed resin volume measured in the volume measuring step and a predetermined dispensing volume; and a corrective dispensing step in which the resin is dispensed on the workpieces in light of the corrected volume calculated in the corrected-volume calculating step. | 12-30-2010 |
20100327469 | Method of Manufacturing Condenser Component of Concentration Photovoltaic Module - A condenser lens is fabricated. The condenser lens has a lens structure bound with a hard glass substrate. The present disclosure can resist sudden stroke and has good weatherability even when it is used outdoors for long. | 12-30-2010 |
20110089584 | DEMOLDING OF OPHTHALMIC LENSES DURING THE MANUFACTURE THEREOF - Methods, devices, and systems for demolding lens mold assemblies are described in which the lens mold assemblies are positioned below a puncher header each with at least one punch pin. The puncher header is then moved against the lens mold assemblies so that the at least one punch pin of each puncher punches through a lens mold layer of a first mold part to then push against a second lens mold layer of a second mold part to separate the two parts in a demolding process. | 04-21-2011 |
20110089585 | Method for the Simultaneous Manufacture of Ophthalmic Lenses, in Particular Contact Lenses, with Different Parameters on the Same Production Line - There is described a method for the simultaneous manufacture of contact lenses having different lens parameters on the same production line, where a number of molds, each comprising male and female mold halves, are transported in sequential rows of and in each row in side by side configuration through a series of treatment stations, which are arranged sequentially along a production line, in which lenses of specific parameters are manufactured from a lens forming material. During manufacture each lens is associated with a lens identification code. There is also described a closed cycle production line for carrying out the method. | 04-21-2011 |
20110089586 | Process For Manufacturing An Ophthalmic Lens - There is described a process for manufacturing an ophthalmic lens and an apparatus for forming an ophthalmic lens, in particular a silicone hydrogel contact lens, wherein in a mold assembly a first and a second mold half ( | 04-21-2011 |
20110101550 | MOLDS FOR PRODUCING CONTACT LENSES - This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use. | 05-05-2011 |
20110115108 | PHOTOCHROMIC COATING EXHIBITING IMPROVED PERFORMANCE AND REDUCED YELLOWNESS - An acrylate-based optical coating composition containing a blend of monomers, a metal salt, a Hindered Amine Light Stabilizer (HALS), an antioxidant (AO), an initiator and a photochromic dye. The initiator has a range of free radical energy that is below a predetermined level. The cure process is controlled by the catalyst and initiator in combination with the HALS and AO to avoid deleterious reactions that can increase yellowness. The composition is well suited to be applied to a lens and cured in the mold to form a coating with reduced yellowness having high adhesion and abrasion-resistant properties. A photochromic segmented bifocal lens is produced with low photochromic fatigue and favorable % T values. | 05-19-2011 |
20110127684 | APPARATUS AND METHOD FOR MANUFACTURING MICRO LENS ARRAY - An apparatus for manufacturing a micro lens array, wherein lenses having various standards are easily manufactured by forming a micro lens array by adjusting a vacuum condition in a vacuum chamber. The apparatus including: a vacuum chamber including a vacuum space therein; a vacuum unit for forming a vacuum inside the vacuum chamber; an upper frame disposed inside the vacuum chamber and to which a substrate is installed on a lower surface of the upper frame; an elevator for ascending and descending the upper frame; a lower frame disposed below the upper frame; a master plate disposed on the lower frame and includes a plurality of molding grooves on an upper surface of the master plate; and a heater installed to a side of the master plate to heat up the master plate. | 06-02-2011 |
20110133350 | METHODS FOR INCREASING THE ION PERMEABILITY OF CONTACT LENSES - Described herein are methods for increasing the ion permeability of a silicone hydrogel contact lens by adding a small amount of an ion-permeability-enhancing (“IP-enhancing”) hydrophilic vinylic monomer or macromer into a lens-forming material for cast-molding silicone hydrogel contact lenses, while not altering significantly the water content and/or the oxygen permeability of resultant lenses from the lens-forming material. | 06-09-2011 |
20110140292 | METHODS FOR MAKING SILICONE HYDROGEL LENSES FROM WATER-BASED LENS FORMULATIONS - Described herein are methods for producing silicone hydrogel lenses. The methods involve introducing into a mold a water-based lens-forming composition, curing the lens-forming composition in a mold to form the lens, and removing the lens from the mold. The lens-forming composition comprises (i) a polysiloxane-containing vinylic monomer or macromer, (ii) at least one hydrophilic vinylic monomer, (iii) a surfactant, and, and (iv) water. The surfactant is polysiloxane-containing surfactant that is free of actinically-polymerizable groups and is a copolymer having from about 10% to about 40% by weight of one or more polysiloxane segments and from about 90% to about 60% by weight hydrophilic units and/or segments. The methods permit the use of water as a solvent and reduce the need for organic solvents. Additionally, the lenses produced by the methods can have improved properties such oxygen permeability. | 06-16-2011 |
20110147956 | METHOD OF DOSING A LENS FORMING MATERIAL INTO A MOLD - There is described a method of dosing a lens forming material into a mold ( | 06-23-2011 |
20110147957 | PROCESS AND APPARATUS FOR DISPENSING A FLOWABLE MATERIAL INTO A MOLD - A process for dispensing a flowable material including a volatile solvent into a mold, in particular a material for forming an ophthalmic lens, e.g. a contact lens, is disclosed. The process includes the steps of providing a mold; providing a dispenser; arranging the mold underneath the dispenser; dispensing the flowable material including the volatile solvent into the mold, the step of dispensing being performed in a local gas atmosphere substantially preventing the solvent from evaporating from the flowable material. | 06-23-2011 |
20110156291 | METHOD FOR MANUFACTURING FRESNEL LENS - A method for manufacturing a Fresnel lens includes the flowing steps: a. providing a mixture for forming the Fresnel lens; b. providing a lower mold on which the mixture is disposed; c. vacuumizing the mixture on the lower mold; d. providing an upper mold to exert a pressure on a top surface of the mixture; e. vacuumizing the mixture on the lower mold again; and f. heating the mixture on the lower mold to harden the mixture whereby the Fresnel lens can be obtained. | 06-30-2011 |
20110215488 | LENS FORMING METAL MOLD, LENS FORMING METHOD AND PICKUP DEVICE - A metal mold including: a first inner metal mold which forms a first lens surface and a first flat surface portion of a lens; a first outer metal mold which forms a second flat surface portion; a second inner metal mold which forms a second lens surface and a third flat surface portion; and a second outer metal mold which forms a fourth flat surface portion, and wherein a first protruded portion which forms a first concaved portion on the lens is formed all around an outer periphery of the first inner metal mold, the first concaved portion serving as clearance for a burr, and a second protruded portion which forms a second concaved portion on the lens is formed all around an outer periphery of the second inner metal mold, the second concaved portion serving as clearance for a burr. | 09-08-2011 |
20110215489 | LENS FORMING METAL MOLD, LENS FORMING METHOD, LENS, AND PICKUP DEVICE - A lens forming metal mold comprising: a first metal mold portion that forms a first lens surface of a lens; and a second metal mold portion that forms a second lens surface of the lens. An air vent groove is formed on at least one contacting surface of a contacting surface of the first metal mold portion contacting with the second metal mold portion and a contacting surface of the second metal mold portion contacting with the first metal mold portion. A convex surface serving to form a concaved portion on the lens for accommodating a burr caused by the air vent groove is formed at least around the air vent groove on an outer circumference forming surface of the at least one contacting surface on which the air vent groove is formed, the outer circumference forming surface serving to from a tubular surface of the lens. | 09-08-2011 |
20110215490 | Device of Producing Wafer Lens and Method of Producing Wafer Lens - A device for producing a wafer lens, including: a stage which supports a glass substrate; an XY-axis moving mechanism which moves the stage on an XY-plane; an XY air slide guide mechanism which floats the stage relative to an XY guide by means of air, and guides the movement of the stage; a molding die to be filled with resin; a Z-axis moving mechanism which elevates or lowers the molding die; a Z air slide guide mechanism which floats the molding die relative to a Z guide by means of air, and guides the elevation and lowering of the molding die; and a control device which locks a moving position of the stage by controlling an activation and a deactivation of the XY air slide guide mechanism, and also locks a moving position of the molding die by controlling an activation or a deactivation of the Z air slide guide mechanism. | 09-08-2011 |
20110278747 | MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF PLASTIC LENS - The present invention relates to a method of manufacturing a plastic lens comprising discharging a plastic lens starting material liquid from a tip opening of a discharge hole of a mixing and discharging part, the mixing and discharging part comprising a mixing chamber comprising a stirring means that stirs a plastic lens starting material liquid and the discharge hole communicating with the mixing chamber; casting the plastic lens starting material liquid that has been discharged into a casting mold, the casting mold comprising a cavity and a casting hole for introducing the plastic lens starting material into the cavity, and the plastic lens starting material being cast into the casting mold through a tip opening of the casting hole; and polymerizing the plastic lens starting material that has been cast within the casting mold to obtain a polymerized product. Before the plastic lens starting material liquid that has been cast into the casting hole reaches an interior of the cavity, the tip opening of the casting hole and the tip opening of the discharge hole are connected to secure the casting mold, and the secured state is maintained until the cavity is filled with the plastic lens starting material liquid. | 11-17-2011 |
20110298143 | COPOLYCARBONATE AND OPTICAL LENS - A copolycarbonate having a high refractive index, a small birefringence, high processability and excellent transparency and an optical lens formed from the copolycarbonate. | 12-08-2011 |
20110309537 | MULTI-CAVITY INJECTION MOLDING METHOD FOR FABRICATING SOLAR LENSES - The present invention discloses a multi-cavity injection molding method for fabricating solar lenses, which comprises steps: providing a mold set including a female mold and a male mold corresponding to the female mold, wherein the female mold has a receiving recess, and wherein the male mold has several lens cavities each having a lens pattern and connected with a cold runner; placing a glass substrate inside the receiving recess; injecting a silica gel to all the lens cavities via the cold runners; and heating the mold set to cure the silica gel, whereby to form several silica-gel lenses on the glass substrate in a single fabrication process. The present invention can effectively shorten the fabrication time and increase lens alignment. | 12-22-2011 |
20120007261 | MOLD AND METHOD FOR PRODUCING PLASTIC LENS | 01-12-2012 |
20120043676 | COPOLYMERS COMPRISING POLYAMIDE BLOCKS AND POLYETHER BLOCKS AND HAVING IMPROVED OPTICAL PROPERTIES - The invention relates to a process for producing a shaped article having improved optical properties compared to a polyamide 12/polytetramethylene block copolymer. The article is made from a block copolymer PAX.Y/PE where polyamide (PA) blocks are selected from PA 10,12; PA 6,18; PA 10,14; and PA 12.12; alternating with polyether (PP blocks, selected front the group consisting of: PE blocks comprising hydroxyl ends, and PE blocks comprising NH | 02-23-2012 |
20120126437 | OPTICAL MATERIAL AND OPTICAL ELEMENT - An optical element is formed by vacuum-sintering a molded body of ceramic particles having an average particle diameter of 1 μm or more and 10 μm or less and including Ln | 05-24-2012 |
20120139136 | REFRACTIVE INDEX DISTRIBUTION MEASURING METHOD, REFRACTIVE INDEX DISTRIBUTION MEASURING APPARATUS AND METHOD OF PRODUCING OPTICAL ELEMENT - The method measures first transmitted wavefronts and second transmitted wavefronts by respectively causing reference light to enter an object placed in plural placement states in a first medium and a second medium, calculates an aberration sensitivity with respect to changes of the placement state of the object, and calculates an alignment error of the object in each placement state by using the aberration sensitivity and the first and second transmitted wavefronts measured in each placement state. The method further calculates first and second reference transmitted wavefronts respectively acquirable when causing the reference light to enter the reference object placed in placement states including the alignment errors in the first medium and the second medium, and calculates a refractive index distribution of the object which a shape component thereof is removed, by using the first and second transmitted wavefronts and the first and second reference transmitted wavefronts. | 06-07-2012 |
20120153515 | DIE STAMPER ASSEMBLY, INJECTION COMPRESSION MOULDING APPARATUS AND METHOD OF MANUFACTURING OPTICAL DATA CARRIERS - A die stamper assembly comprises a first die part for holding a first stamper and a second die part for mounting a second stamper, the die parts cooperating to define a mould cavity. The first stamper is mounted at a boundary of the first die part and the second stamper is mounted at a boundary of the second die part. The die stamper assembly further comprises a venting ring configured around and moveable with respect to the first die part and defining an outer boundary of the mould cavity. A venting holder arranged for holding the circumference of the first stamper and positioned between the first die part and the venting ring to attach the first stamper on the first die part allows venting of air escaping from the mould cavity and prevents leaking of plastic material out of the mould cavity. | 06-21-2012 |
20120175793 | OPTICAL ELEMENT PACKAGE AND METHOD OF MANUFACTURING THE SAME - An optical element package includes: an optical element in a form of a chip, and a lens resin having a convex lens surface covering an optical functional surface of the optical element. The convex lens surface is formed as a rough surface having a plurality of minute convex curved surfaces having a vertex in a direction perpendicular to a plane in contact with each part of the convex lens surface. | 07-12-2012 |
20120187588 | Device and Manufacturing Resin Molded Articles for Use in Optical Elements, and Method for Manufacturing Optical Elements - A device for manufacturing resin molded articles for use in optical elements. Said device is provided with a first molding die which is fixed in place; a second molding die, being movable, which has, on a molding die surface of a cavity, a transfer surface for transferring an optical surface to a melted resin injected into the cavity; a nozzle for injecting a fluid under pressure into the melted resin injected into the cavity, thereby forming a void inside said melted resin; and an ejector pin that is provided in the second molding die, protruding from the molding surface thereof, to release a base material from the molding surface. | 07-26-2012 |
20120241989 | REFRACTIVE INDEX DISTRIBUTION MEASURING METHOD AND REFRACTIVE INDEX DISTRIBUTION MEASURING APPARATUS - A method includes measuring a transmitted wavefront of a test object by introducing reference light into the test object arranged in a medium having a refractive index different from a refractive index of the test object, and calculating a refractive index distribution of the test object by using a measurement result of the transmitted wavefront. The measuring step measures a first transmitted wavefront for a first wavelength and a second transmitted wavefront for a second wavelength different from the first wavelength. The calculating step calculates the refractive index distribution of the test object by removing a shape component of the test object utilizing measurement results of the first and the second transmitted wavefront, and a transmitted wavefront of a reference object arranged in the medium for each of the first and second wavelengths. The reference object has the same shape as the test object and a specific refractive index distribution. | 09-27-2012 |
20120261845 | Resin Molded Article For Optical Element Manufacturing Apparatus And Method Of The Same - Disclosed is an apparatus for manufacturing a resin molded article having a hollow section inside for an optical element, by injecting a molten resin into a cavity. The apparatus has: a pressurized fluid injection device, which forms the hollow section by injecting a pressurized fluid into the molten resin injected into the cavity; and a bias device which biases a movable part in the same direction as a mold clamping direction. The movable part is moved with respect to a first mold or a second mold, in an opposite direction to the mold clamping direction against the bias force applied by the bias device, with a pressure increased in the mold by the injecting the pressurized fluid into the cavity. The moving is moved, in the same direction as the mold clamping direction, by discharge of the pressurized fluid. | 10-18-2012 |
20120286435 | PROCESS FOR PREPARING MOLDED OPTICAL ARTICLES - Provided is a process for preparing a molded optical article that is essentially free of optical defects. The process comprises:
| 11-15-2012 |
20120292792 | FORMING NON-UNIFORM OPTICAL GUIDING STRUCTURES - Embodiments are disclosed that relate to casting of an optical part having a non-uniform thickness. For example, one disclosed embodiment provides a method for casting an optical part having a non-uniform thickness, the method including adding a fluid material into a first cavity and into a second cavity separated from the first cavity by a separator. The first and second cavities may each have a non-uniform thickness and the separator may have a configuration complementary to shapes of the first and second cavities such that the first cavity, the second cavity, and the separator form a combined structure having a uniform thickness during a casting process. The method further comprises solidifying the fluid material in the first and second cavities to form the first and second optical parts. | 11-22-2012 |
20120313268 | Method for producing an intelligent label, intelligent label and uses thereof, method for preparing solutions in ampoules, solutions and compositions based on conjugated polymers, and electronic device for monitoring radiation doses - A method is described for producing an intelligent label and solutions in ampoules, besides compositions based on conjugated polymers for monitoring radiation doses, the label and solutions, in an organic solvent, of (i) an electronic polymer (1-2000 μg/mL) and at least one organic crystal, inorganic crystal or luminescent dye (1-2000 μg/mL), or (ii) a combination of electronic polymers (1-2000 μg/mL), with solutions of said luminescent materials. The film-like label is obtained by drying solutions of luminescent materials on glass plates. The preferred materials are poly(2-methoxy,5-ethyl(2-hexyloxy)-p-phenylenevinylene) (MEH-PPV) as the preferred polymer and [aluminium-tris(8-hydroxyquinoline)] (Alq3) as the preferred organic crystal, besides various organic and inorganic dyes. The label and solutions in ampoules have a large variety of uses, as dosimetres of both ionising and non-ionising radiation, with therapeutic and technological aims, such as foodstuff irradiation in order to delay the ripening process. | 12-13-2012 |
20120326341 | METHOD FOR FABRICATING SELF ASSEMBLING LIGHT EMITTING DIODE LENS - A method for fabricating a self assembling light emitting diode lens is disclosed. The method includes providing a first fluid with a first viscosity and a second fluid with a second viscosity. The refractive index of the first fluid is the same as the refractive index of the second fluid. Then the first fluid and the second fluid are blended in a predetermined ratio to obtain a third fluid with a third viscosity. Then the third fluid is dispended on a light emitting diode, which is disposed on a substrate. The third fluid is cured to form a lens on the light emitting diode. The shape of the lens is controlled by the third viscosity. | 12-27-2012 |
20130015595 | CONTACT LENS - A contact lens formed of a composition comprising the reaction product of: A) at least 10 weight percent, based on the total composition weight excluding solvent, of at least one silicone-containing monomer of the formula I: where n is from 1 to 3, m is from 9 to 15, each a independently is C | 01-17-2013 |
20130026668 | LENS MOLDING APPARATUS AND LENS MOLDING METHOD USING THE SAME - There is provided a lens molding apparatus, the apparatus including: a first mold part and a second mold part molding a lens array; first alignment marks respectively formed on the first mold part and the second mold part; second alignment marks respectively formed on the first mold part and the second mold part and positioned outside of the first alignment marks; and a controller sensing an alignment error of the first alignment marks based on the second alignment marks and correcting a relative position of the second mold part with respect to the first mold part in proportion to the magnitude of the sensed alignment error. | 01-31-2013 |
20130037975 | METHOD AND DEVICE FOR PRODUCING A MICROLENS - This invention relates to a method for producing a microlens with a carrier wafer, in which a lens in one opening of the carrier wafer is molded into the carrier wafer by stamping of the lens and to a corresponding device for executing the method and to a microlens which has been produced using the method. Furthermore the invention relates to a device for producing a microlens as well as a microlens. | 02-14-2013 |
20130056889 | COMPOSITION FOR MANUFACTURING CONTACT LENSES AND METHOD FOR MANUFACTURING CONTACT LENSES BY USING THE SAME - A composition is provided for manufacturing contact lenses including a siloxane macromer represented by the following formula (I): | 03-07-2013 |
20130062795 | METHOD FOR MANUFACTURING OPTICAL ELEMENT, AND APPARATUS FOR MANUFACTURING OPTICAL ELEMENT - A method for manufacturing an optical element includes floating an optical element material in gas to heat the optical element material, and thereafter making first and second shaping molds contact the floating optical element material at the same time, and pressurizing the optical element material by using the first and second shaping molds. | 03-14-2013 |
20130069257 | METHOD FOR MANUFACTURING OPTICAL ELEMENT, AND OPTICAL ELEMENT MOLDING DIE - Provided is an optical element manufacturing method for manufacturing optical elements having opposing optical surfaces by using a pair of molding dies having molding surfaces, in which each molding die is provided with a molding surface for molding a first optical element and a molding surface for molding a second optical element, wherein the later molding surface is distinct from the former one and is used to adjust the relative positions of the pair of molding dies, and in which each molding die is used to perform the steps of: molding the second optical element; determining the misalignment between the opposing optical surfaces from the transmitted wavefront aberration of the second optical element; adjusting the relative position between the molding dies on the basis of the determined relative displacement; and molding the first optical element by using the molding dies, the relative position of which has been adjusted. | 03-21-2013 |
20130069258 | PRODUCTION OF A TRANSPARENT OPTICAL COMPONENT HAVING A CELLULAR STRUCTURE - The invention relates to a transparent optical component having a cellular structure, comprising a network of walls ( | 03-21-2013 |
20130069259 | METHOD OF MANUFACTURING AN OPHTHALMIC LENS FOR PROVIDING AN OPTICAL DISPLAY - A method of manufacturing an ophthalmic lens is provided where a first entry surface ( | 03-21-2013 |
20130082411 | OPTICAL ELEMENT PRODUCING DEVICE, OPTICAL ELEMENT PRODUCING METHOD, CONTROLLING PROGRAM, AND RECORDING MEDIUM - When an optical element is produced by sandwiching a resin between a pair of molds, the resin is cured while a mold is kept in contact with the resin until the temperature of the resin reaches a gel point. Throughout the process, a load cell monitors pressure exerted to the mold. After detection of a state in which the pressure exerted to the mold is a negative pressure, the resin is cured while the position of the mold is controlled so that the pressure exerted to the mold is increased to a predetermined positive pressure and thereafter the positive pressure is maintained. | 04-04-2013 |
20130106006 | METHOD FOR MOLDING AN OPHTHALMIC LENS AND DEVICE FOR APPLYING A COATING TO THE SURFACE OF AN OPHTHALMIC LENS MOLD | 05-02-2013 |
20130147070 | DIE TOOL, DEVICE AND METHOD FOR PRODUCING A LENS WAFER - This invention relates to a die tool, a device and a method for producing, in particular embossing, a monolithic lens wafer that has a large number of microlenses. | 06-13-2013 |
20130161844 | METHOD FOR PRODUCING PLASTIC LENS - There is provided a method for producing a plastic lens in which, without heating a die, a resin injected and filled into a cavity can be maintained at a temperature higher than a glass transition temperature of the resin only for a time until the filling of the resin into the cavity terminates, whereby the generation of a surface defect such as jetting or a flow mark, or a weld line can be prevented. In producing the plastic lens having a predetermined lens shape by injecting and filling a molten raw material resin into a cavity | 06-27-2013 |
20130181362 | UNCOATED, CORROSION RESISTANT RESIN DELIVERY SYSTEM - An apparatus and method for producing defect-critical articles from a molding resin comprising at least 98% clear polymer and additives including a heat stabilizer and a UV blocker in an injection molding machine. According to the apparatus, there is provided an injection molding machine in combination with a molding resin. The injection molding machine's resin delivery assembly is made from a powder metallurgy formed into solid non-coated parts having a Chromium-Vanadium (Cr/V) blend. As the molding resin interacts with the resin delivery assembly, the resin only contacts the solid non-coated parts whereby the resin experiences less degradation and provides improved quality for the defect-critical articles. The method includes the steps of plasticizing, injecting, and cooling. During the plasticizing and injecting steps, the molding resin only contacts solid non-coated parts made from a powder metallurgy material containing a Chromium-Vanadium (Cr/V) blend thereby producing reduced defect articles. | 07-18-2013 |
20130187300 | PLASTIC LENS MANUFACTURING METHOD - An aspect or the present invention relates to a method of manufacturing a plastic lens, which comprises casting a plastic lens starting material liquid into a cavity in a forming mold and conducting a polymerization reaction of the plastic starting material liquid within the cavity to provide a molded article. The forming mold is one in which two molds are disposed opposite each other, a gasket made of an elastic resin is disposed around the two molds to form the cavity, and at least one of the two molds is made of an elastic resin, one surface of the molded article is a convex surface and the other surface of the molded article is a concave surface, and the concave surface is formed by transferring a molding surface of the mold made of elastic resin. | 07-25-2013 |
20130193596 | METHOD AND DEVICE FOR PRODUCING A LENS WAFER - A method and a device for producing a lens wafer which has a plurality of microlenses, as well as microlenses produced from the lens wafer. | 08-01-2013 |
20130221548 | CARBON THIN FILM, MOLD FOR MOLDING OPTICAL ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT - A ta-C thin film ( | 08-29-2013 |
20130249127 | LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND MOLDED PART - A light-emitting device includes a light-emitting element on a molded part. The molded part is formed by molding and curing a thermosetting epoxy resin composition comprising (A) the reaction product of a triazine derived epoxy resin with an acid anhydride, (B) an internal parting agent having m.p. 50-90° C., (C) a reflective agent, (D) an inorganic filler, and (E) a curing catalyst. | 09-26-2013 |
20130249128 | INJECTION MOLD AND METHOD FOR MOLDING AN OPTICAL ELEMENT - An injection mold composed of a movable mold and a fixed mold. The movable mold has bases, a heat insulating layer and a surface processed layer, and the fixed mold has a base. A heat insulator is provided on the inner circumferential surface of the base of the movable mold at a part forming a wall of a cavity. The heat insulating layer is in the rear of the surface processed layer, and therefore, the transfer accuracy of a fine configuration of the surface processed layer is improved. Additionally, since the heat insulator is provided adjacent to the fine configuration, heat radiation from resin is inhibited, and the transfer accuracy of the fine configuration is further improved. | 09-26-2013 |
20130264727 | FILM TRANSFER METHOD AND APPEARANCE MEMBER MANUFACTURED BY USING THE SAME - A film transfer method is provided and includes the following steps: A mold apparatus is provided. In a mold cavity of the mold apparatus, a film substrate having a three-dimensional texture layer is provided. A melted plastic is injected into the mold cavity, such that the melted plastic covers the three-dimensional texture layer of the film substrate. The melted plastic is solidified. The solidified plastic is separated from the three-dimensional texture layer of the film substrate. | 10-10-2013 |
20130334718 | BIAXIAL-OPTICAL POLYNORBORNENE-BASED FILM AND MTEHOD OF MANUFACTURING THE SAME, INTEGRATED OPTICAL COMPENSATION POLARIZER HAVING THE FILM AND METHOD OF MANUFACTURING THE POLARIZER, AND LIQUID CRYSTAL DISPLAY PANEL CONTAINING THE FILM AND/OR POLARIZER - Disclosed is a method of manufacturing a biaxial polynorbornene-film having a compensation film which has good light transmittance and a uniform in-plane retardation value and can function as both a negative C-plate and an A-plate. | 12-19-2013 |
20140001659 | MANUFACTURING METHOD FOR AN INPUT MODULE BY PLASTIC INJECTION MOLDING | 01-02-2014 |
20140084498 | LENS WITH FILTER AND METHOD OF MANUFACTURING THEREOF - A method of forming an optical plastic lens includes prepare an molding material and thermal color-changeable or photo color-changeable material; the thermal color-changeable or photo color-changeable material is mixed into the molding material when the molding process is performed to allow the thermal color-changeable or photo color-changeable material exist in the plastic lens uniformly to change the color under photo change or thermal change. | 03-27-2014 |
20140084499 | SOLUTION OF AROMATIC POLYAMIDE FOR PRODUCING DISPLAY ELEMENT, OPTICAL ELEMENT, OR ILLUMINATION ELEMENT - The present disclosure is directed toward solutions, transparent films prepared from aromatic copolyamides, and a display element, an optical element or an illumination element using the solutions and/or the films. The copolyamides, which contain pendant carboxylic groups are solution cast into films using cresol, xylene, N,N-dimethylacetamide (DMAc), N-methyl-2-pyrrolidinone (NMP), dimethylsulfoxide (DMSO), or butyl cellosolve or other solvents or mixed solvent which has more than two solvents. When the films are thermally cured at temperatures near the copolymer glass transition temperature, after curing, the polymer films display transmittances >80% from 400 to 750 nm, have coefficients of thermal expansion of less than 20 ppm, and are solvent resistant. | 03-27-2014 |
20140210116 | ILLUMINATED SURGICAL INSTRUMENT - An illuminated surgical instrument is disclosed. One embodiment of the illuminated surgical instrument comprises a cannula and an injection-molded light-sleeve adjacent to and encircling at least a portion of the cannula. The surgical instrument can be a vitrectomy probe having a cutting port disposed at a distal end of the cannula. The light-sleeve can terminate near a distal end of the cannula, for example, near the cutting port of the vitrectomy probe. The light-sleeve is optically coupled to a light source. The light-sleeve can be injection-molded during manufacture using the cannula as an insert for the injection molding. The light-sleeve can be oriented for providing illumination in a direction along a longitudinal axis of the instrument. | 07-31-2014 |
20140232025 | MANUFACTURING METHOD FOR SHAPE MEMORY POLYMER INTRAOCULAR DEVICES - A shape memory polymer (SMP) intraocular lens may have a refractive index above 1.45, a Tg between 10° C. and 60° C., inclusive, de minimis or an absence of glistening, and substantially 100% transmissivity of light in the visible spectrum. The intraocular lens is then rolled at a temperature above Tg of the SMP material. The intraocular device is radially compressed within a die to a diameter of less than or equal to 1.8 mm while maintaining the temperature above Tg. The compressed intraocular lens device may be inserted through an incision less than 2 mm wide in a cornea or sclera or other anatomical structure. The lens can be inserted into the capsular bag, the ciliary sulcus, or other cavity through the incision. The SMP can substantially achieve refractive index values of greater than or equal to 1.45. | 08-21-2014 |
20140246796 | LENS MOLD AND METHOD FOR MANUFACTURING LENSES UTILIZING THE LENS MOLD - A lens mold includes a bottom mold and a top mold joining with the bottom mold. The bottom mold defines a first through hole. The top mold defines a second through hole. The lens mold further includes a bottom mold core and a top mold core. The bottom mold core is detachably received in the first through hole of the bottom mold. The top mold core is detachably received in the second through hole of the top mold. A plurality of microstructures is formed on a top surface of the bottom mold core near the top mold core to form a plurality of microstructures on a bottom surface of a lens formed by the lens mold. A method for manufacturing the lens with the lens mold is also provided. The lens is used as a secondary optical element for an LED. | 09-04-2014 |
20140291875 | Methods and Apparatus Useful in the Manufacture of Contact Lenses - Methods for manufacturing ophthalmic devices and apparatus for treatment of ophthalmic devices are provided. The apparatus includes a tank, liquid, baffle and ophthalmic devices. The methods include placing the liquid, baffle and ophthalmic devices in a tank including at least one element which produces bubbles and/or convection currents. The baffle is structured and/or positioned to prevent bubbles from contacting the ophthalmic devices in the tank, to reduce the force of the convection currents, or both. | 10-02-2014 |
20140312516 | Methods and Apparatus Useful in Manufacturing Lenses - Methods of manufacturing a contact lens are provided. Such methods include using an adjustable mandrel to fixedly retain a single mold section carrying a polymerized contact lens product and delensing the contact lens product from the single mold section. Adjustable mandrels are also provided. | 10-23-2014 |
20140319707 | MANUFACTURING METHOD OF OPTICAL DEVICE, AND OPTICAL DEVICE - In order to produce high-quality optical elements stably at all times without the flow of molten resin inside an injection molding cavity being hindered by the protrusion of the outer peripheral edge of a lens after compression molding, a cavity formed when a pair of molds for molding is closed is provided with: an optical-function-part molding cavity ( | 10-30-2014 |
20140346690 | APPARATUS FOR MANUFACTURING LENS ARRAY AND METHOD OF MANUFACTURING LENS ARRAY - An apparatus for manufacturing a lens array includes a first lens forming unit that has a plurality of blades forming partition walls on a polymer substrate on which a parallax image is formed and a plurality of nozzles discharging a polymer, a detecting unit that detects a position of the parallax image, and a scanning control unit that adjusts a scanning start position of the first lens forming unit based on the position of the parallax image detected by the detecting unit and controls forming of the partition walls by the blades and discharging of the polymer to a region between the partition walls through the nozzle on a surface of the polymer substrate on which the parallax image is formed. | 11-27-2014 |
20140346691 | MOLDING DIE STRUCTURE OF MOLDED ARTICLE AND MANUFACTURING METHOD OF MOLDED ARTICLE - Fixed side molding dies are removed from fixed side molding dies insertion hole portions in accordance with the disconnection in the connection/disconnection while maintaining a contact state that a second transfer portion is in contact with a portion other than a fixed side optical functional surface of each molded article at the time of mold opening of a fixed die and a movable die. Thereby a first transfer portion is released from the fixed side optical functional surface. | 11-27-2014 |
20150048531 | AUTOMATED PRODUCTION OF CONCENTRATOR LENS PANELS - The present invention lies in the field of the industrial manufacturing of cast parts and relates to an apparatus and method for the automated production of parts of this type having very fine surface structures, particularly concentrator lens panels, which contain at least one, preferably annular, stepped region as per Fresnel lenses. Handling during the production of the lens panels is difficult, inter alia, because after the curing operation, on account of relatively large adhesion forces or cohesion forces, the mould is removable in a precisely reproducible manner from the product or from the system only with difficulty. It is the object of the present invention to provide a method and an apparatus for the automated production of concentrator lens panels. This is achieved in that a die containing an upper plate ( | 02-19-2015 |
20150084216 | INJECTION MOLD, INJECTION-MOLDED PRODUCT, OPTICAL ELEMENT, OPTICAL PRISM, INK TANK, RECORDING DEVICE, AND INJECTION MOLDING METHOD - There is provided an injection mold to manufacture an injection-molded product formed of a molten resin that is injected into a molding space and is solidified. The injection mold includes an insert that forms a high quality required surface corresponding to a high quality required surface of an injection-molded product. The high quality required surface forming insert includes a first insert member corresponding to a high surface accuracy required portion in the high quality required surface, and a second insert member corresponding to a high surface accuracy not-required portion in which the surface accuracy that is required is lower than that of the high surface accuracy required portion in the high quality required surface and which has thermal conductivity lower than that of the first insert member. | 03-26-2015 |
20150097304 | TiO2-CONTAINING QUARTZ-GLASS SUBSTRATE FOR AN IMPRINT MOLD AND MANUFACTURING METHOD THEREFOR - The present invention relates to a TiO | 04-09-2015 |
20160039974 | PROCESS FOR MANUFACTURING POLYAMIDE - In one or a plurality of embodiments, a process for manufacturing polyamide, with a reduced use of an amide-based solvent in synthesis, is provided. In one or a plurality of embodiments, provided is a process for manufacturing polyamide, including steps (1) to (3): (1) dissolving diamine in a non-amide-based organic solvent or a non-amide-based organic solvent containing 10 mass% or less of an amide-based organic solvent; (2) adding diacid dichloride to a solution obtained in the step (1) and reacting the diamine with the diacid dichloride so as to generate polyamide; and (3) adding a trapping reagent capable of trapping hydrochloric acid. | 02-11-2016 |
20160101573 | PROCESS AND MACHINE FOR MANUFACTURING AN OPHTHALMIC LENS - A process for manufacturing an ophthalmic lens ( | 04-14-2016 |
20160114542 | PROCESS AND SYSTEM FOR MANUFACTURING AN OPHTHALMIC LENS - A process for manufacturing an ophthalmic lens having at least one optical function, includes the following steps: additively manufacturing ( | 04-28-2016 |
20160129649 | INJECTION MOLDING METHOD AND INJECTION MOLDING DIE - An injection molding method includes a supply step of simultaneously supplying molten resins to a cavity portion from two gate portions and an associating step of associating the molten resins supplied from the two gate portions in a central part of the cavity portion. The supply step supplies the molten resins to the cavity portion from the two gate portions which substantially face each other around the cavity portion. The associating step includes at least one of a first step in the supply step of simultaneously starting the supply of the molten resins to the cavity portion from the two gate portions, and a second step in the supply step of simultaneously starting the injection of the molten resins into the cavity portion from the two gate portions at the same injection rate. | 05-12-2016 |
20160176071 | Apparatus And Method For Closure Of Ophthalmic Lens Molds | 06-23-2016 |
20160176074 | Method And Apparatus For Manufacture Of Ophthalmic Lenses | 06-23-2016 |
20160176093 | Method And Apparatus For Demolding Contact Lens | 06-23-2016 |
20220134637 | METHOD FOR PRINTING A THREE-DIMENSIONAL OPTICAL COMPONENT - A method for printing a three-dimensional optical component ( | 05-05-2022 |