Class / Patent application number | Description | Number of patent applications / Date published |
359620000 | Having particular composition | 20 |
20080204887 | FLEXIBLE SUBSTRATE WITH ETCHED LENS ARRAY - A flexible substrate having a plurality of lenses disposed in an array on a surface of the substrate wherein the lenses are formed by etching the substrate. | 08-28-2008 |
20080239500 | Plastic sheets with lenticular lens arrays - A lenticular sheet, in one exemplary embodiment, includes a first surface having at least two portions, an opposing second surface, and a plurality of lenticular lenses formed in the first surface. Each portion of the first surface includes a number of lenticular lenses per centimeter that is different from the number of lenticular lenses per centimeter of an adjacent portion of the first surface. | 10-02-2008 |
20080247047 | HOMOGENIZING OPTICAL BEAM COMBINER - An optical homogenizing and combining apparatus, comprises a one piece, hollow, tubular body having a first input leg, a second input leg and an output leg, each leg having a polygonal cross-section and highly reflective interior surfaces in accordance with an embodiment. The body has a shape corresponding to first and second bent tubes, the tubes being truncated along a plane and joined at a junction lying in the plane. The a first end of the first tube defines the first input leg, a first end of the second tube defines the second input leg, and a second end of the first tube and a second end of the second tube define the output leg. | 10-09-2008 |
20080304158 | Highly efficient organic light-emitting device using substrate or electrode having nanosized half-spherical convex and method for preparing the same - The present invention provides a transparent substance formed with a plurality of continuous half-spherical convexes having a diameter of 25˜1,000 nm on its first main surface; an organic light-emitting device comprising a substrate, a first electrode, an organic material layer(s) and a second electrode, sequentially, characterized by having a plurality of continuous half-spherical convexes having a diameter of 25˜1,000 nm on the underside of the substrate that does not contact the first electrode and/or the upside of the second electrode that does not contact the organic material layer; and a method for preparing same using a porous aluminum oxide layer forming process. | 12-11-2008 |
20090073568 | HOUSING WITH THREE-DIMENSION APPEARANCE - A housing ( | 03-19-2009 |
20090109541 | PROCESS FOR CREATING TITLED MICROLENS - A microlens structure that includes a wedge formed to support and tilt the microlens is disclosed. The wedge results from heating a layer of patterned flowable material. The degree and direction of incline given to the wedge can be controlled in part by the type of patterning that is performed. | 04-30-2009 |
20090231717 | LENTICULAR LENS MEDIUM - A lenticular lens medium forms a lenticular lens which includes a plurality of semicylindrical-shaped or arc-shaped elongated convex parts. The lenticular lens medium has a volume resistivity of 1×10 | 09-17-2009 |
20090257128 | Plastic Rod Lens, Rod Lens Array, Rod Lens Plate, Image Sensor and Printer - A plastic rod lens having a cylindrical shape with a radius R including a central axis; and an outer peripheral portion, wherein a refractive index n | 10-15-2009 |
20100027128 | Lens array - The lens array | 02-04-2010 |
20100103527 | METHODS OF FORMING SHEETING WITH COMPOSITE IMAGES THAT FLOAT AND SHEETING WITH COMPOSITE IMAGES THAT FLOAT - Microlens sheetings with different types of composite images are disclosed, in which the composite image floats above, in, or below the sheeting, or some combination. One type of composite image may be viewable to the unaided eye or an observer and another type of composite image is viewable only to the aided eye of an observer. Methods for providing such an imaged sheeting are also disclosed. | 04-29-2010 |
20100103528 | METHODS OF FORMING SHEETING WITH COMPOSITE IMAGES THAT FLOAT AND SHEETING WITH COMPOSITE IMAGES THAT FLOAT - Microlens sheetings with different types of composite images are disclosed, in which the composite image floats above, in, or below the sheeting, or some combination. One type of composite image may be viewable to the unaided eye or an observer and another type of composite image is viewable only to the aided eye of an observer. Methods for providing such an imaged sheeting are also disclosed. | 04-29-2010 |
20100103529 | SHEET-LIKE OPTICAL MEMBER, RESIN COMPOSITION FOR OPTICAL SHEET, OPTICAL SHEET AND METHOD FOR PRODUCING THE SAME - A sheet-like optical member being difficult to damage a shape of a lens part. The sheet-like optical member includes: a substrate; and a lens part, which is formed on the substrate, is made of an active energy ray-curable resin, and has a plurality of unit prisms. The maximum logarithmic attenuation rate ΔE of the lens part measured by a rigid body pendulum method is 0.4 or less. | 04-29-2010 |
20110063732 | SURFACE BUCKLING METHOD AND ARTICLES FORMED THEREBY - A method for generating spontaneously aligned surface wrinkles utilizes control of local moduli-mismatch and osmotic pressure. The method includes modifying the surface of an elastomeric layer to form a superlayer that is stiffer and/or less absorbent than the elastomeric layer. The elastomeric layer is then swollen with a polymerizable monomer, which causes buckling of the superlayer. The monomer is then polymerized, dimensionally stabilizing the surface buckling. The buckled surfaces generated by the method are useful in a wide variety of end-use applications, including microlenses, microlens arrays, compound microlenses, diffraction gratings, photonic crystals, smart adhesives, mechanical strain sensors, microfluidic devices, and cell culture surfaces. | 03-17-2011 |
20120099205 | CHANGEABLE LIQUID LENS ARRAY AND METHOD OF MANUFACTURING THE SAME - A changeable liquid lens array and a method of manufacturing the same. The changeable liquid lens array includes a substrate, a plurality of partition walls arrayed on the substrate and having a fluid travel path, cells defined by the plurality of partition walls, a first fluid comprised in the cells, a second fluid arranged on the first fluid, a first electrode arranged on at least one side surface of each of the partition walls, and a second electrode disposed to be separate from the partition walls. A shape of shape of an interface between the first fluid and the second fluid changes based on a voltage that is applied to the first electrode and the second electrode. | 04-26-2012 |
20120194916 | LASER MARKED DEVICE - An optical device projecting one or more synthetically magnified images that has been laser marked with one or more static two dimensional (2D) images is provided. The static 2D image(s) laser marked on or within this device and the synthetically magnified image(s) projected by this device help determine the authenticity of a document (e.g., passport data page) or product that employs it. Several embodiments of the inventive device also offer increased resistance to tampering or alteration and wear. | 08-02-2012 |
20130329300 | FABRICATION METHOD OF MICROLENS ARRAY AND MICROLENS ARRAY THEREOF - The present invention discloses a fabrication method of a microlens array (MLA) and an MLA fabricated using the same. The fabrication method of an MLA comprises: providing a substrate with an interface hydrophilic modified polymer layer; using light, gas or liquid with the property of converting the polymer' hydrophilicity to create a hydrophilic zone on the interface hydrophilic modified polymer layer; coating the substrate with a liquid material to condense a plurality of liquid microlenses in the hydrophilic zone; and curing the plurality of liquid microlenses to form a plurality of microlenses. Therefore, the fabrication method of an MLA has advantages of fast speed, low cost, no etch transfer and low temperature. | 12-12-2013 |
20140036373 | LENS SUBSTRATE AND ELECTROOPTIC DEVICE INCLUDING LENS SUBSTRATE - A lens substrate which includes: a plurality of concave portions which define each of curved surfaces of a plurality of lenses; a non-silicon-based resin which is formed between neighboring lenses among the plurality of lenses; and a silicon-based resin which is formed so as to cover the non-silicon-based resin, and the plurality of lenses. | 02-06-2014 |
20140327969 | MICROLENS ARRAY AND A METHOD OF FABRICATING THEREOF - A method of fabricating a microlens array, the method comprising the steps of: compressing a shape memory polymer substrate with a predetermined load; indenting the shape memory polymer substrate to form an array of micro-indents; immersing the shape memory polymer substrate in a solvent capable of causing stress-enhanced swelling in the shape memory polymer substrate such that the array of micro-indents forms a corresponding array of micro-protrusions on the shape memory polymer substrate due to the stress-enhanced swelling of the micro-indents; and heating the shape memory polymer substrate to form at least one curved surface of the shape memory polymer substrate under the micro-protrusion array. | 11-06-2014 |
20150116836 | LENS ARRAY, AND METHOD FOR MANUFACTURING THE SAME - Provided is a lens array, wherein partition walls are formed, using a blade, on a surface of a liquid-repellent substrate subjected to a lyophilic surface treatment, liquid-repellent groove sections formed by the blade, each of the liquid-repellent groove sections is V-shaped, lyophilic sections between the partition walls that are adjacent each other, and lenses are formed on the lyophilic sections using a liquid polymer. | 04-30-2015 |
20160133168 | Three-dimentional label having moving patterns using fine patterns and microlens - A 3-D label is disclosed including moving patterns using fine patterns and microlenses, including a lens layer in which a pattern display unit having microlenses that are convex in a semicircumferential form arranged at specific intervals and to represent patterns formed in a pattern layer regardless of a visual field focal length and a secret unit placed on one side of the pattern display unit and displaying intended patterns formed in the pattern layer when a predetermined visual field focal length is reached are integrated and formed; and the pattern layer disposed under the lens layer and having patterns formed thereon so that the distance between the central point of each of the microlenses and the central point of an adjacent microlens is matched with the distance between the central point of each of pattern cells and the central point of an adjacent pattern cell in the state. | 05-12-2016 |