|| List of recent Refract-related patents
|Optical collimator for led lights|
There is provided a luminaire (1) and a collimating optics (2) for led lights (5). The collimating optics (2) comprises a reflection collimator (3) having a first aperture (7) for allowing incoming light from a led light (5) to enter the collimator (3) and a second aperture (9) for allowing outgoing light to exit the collimator (3).
|Inorganic-organic hybrid material, optical material using the same, and inorganic-organic composite composition|
The invention relates to an inorganic-organic hybrid material which comprises an inorganic component and an organic component, has a content of the inorganic component of 20-80% by mass, and has a refractive index of 1.60 or higher, wherein, when preparing a strip specimen having a thickness of 1,000 μm, a width of 5 mm and a length of 70 mm by using the inorganic-organic hybrid material and winding the specimen by 180° on a cylindrical metal rod having a diameter of 10 mm at 25° c., the specimen does not crack.. .
|Coated article having a vivid color|
An article is coated with a coating having a vivid primary color. In a preferred embodiment, the coating comprises a nickel or polymer basecoat layer, and a first color layer comprised of oxygen-rich refractory metal oxycarbides, a second color layer comprising oxygen-rich refractory metal oxycarbides and a top layer of refractory metal oxides..
|Communication light detecting structure, communication light detecting optical connector including the communication light detecting structure, and communication light detecting optical cable including the communication light detecting structure|
A communication light detecting structure includes a communication optical fiber configured to transmit communication light; a leakage optical fiber optically connected to the middle of the communication optical fiber via optical connection portions, the leakage optical fiber being different in core refractive index from the communication optical fiber; and a light detecting unit configured to detect part of the communication light leaking from the optical connection portions as leakage light. A communication light detecting optical connector includes the communication light detecting structure.
|Lamp having an annular light-guiding body|
A lamp having an annular light-guiding body includes a light-emitting diode module, a light-emitting diode substrate, a circuit board, a power supply base and a bulb. The bulb is a semi-circular casing structure.
|Apparatus, methods, and non-transitory computer readable storage mediums for controlling light emitted by a flash unit|
An apparatus comprising: a first optical member configured to receive light from a flash unit, in a first direction, to refract the received light, and to output the refracted light in a second direction, different to the first direction; and a first actuator configured to move the first optical member between a first position in which light from the flash unit is not substantially refracted, and a second position in which light from the flash unit is refracted by the first optical member in the second direction.. .
|Image capturing lens and image capturing apparatus provided with the image capturing lens|
An image capturing lens which substantially consists of five lenses, composed of a first lens having a positive refractive power with the object side surface being formed in a convex shape toward the object side, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power with the object side surface being formed in a concave shape toward the object side, and a fifth lens having a negative refractive power with a region in which the negative refractive power is gradually reduced outwardly in a radial direction from the optical axis, arranged in this order from the object side, and satisfies predetermined conditional expressions.. .
|Thin-type wide-angle imaging lens assembly with four lenses|
A thin-type wide-angle imaging lens assembly comprises a fixing diaphragm and an optical set including four lenses. An arranging order from an object side to an image side is: a first lens; a second lens; a third lens; a fourth lens; and the fixing diaphragm disposed between an object and the second lens.
|Image capturing lens and image capturing apparatus provided with the image capturing lens|
An image capturing lens which substantially consists of five lenses, composed of a first aspherical lens having a convex surface on the object side and a positive refractive power; a second aspherical lens having a concave surface on the image side and a negative refractive power; a third aspherical lens having a positive refractive power near the optical axis; a fourth aspherical lens having a negative refractive power; and a fifth aspherical lens which is a meniscus lens having a concave surface on the image side and a negative refractive power, arranged in this order from the object side, and satisfies predetermined conditional expressions.. .
|Thin-type wide-angle imaging lens assembly with five lenses|
A thin-type wide-angle imaging lens assembly comprises a fixing diaphragm and an optical set including five lenses. An arranging order from an object side to an image side is: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; and the fixing diaphragm disposed between an object and the third lens.
|Wide-angle imaging lens assembly with five lenses|
An imaging lens assembly comprises a fixing diaphragm and an optical set including five lenses. An arranging order from an object side to an image side is: a first lens; the fixing diaphragm; a second lens; a third lens; a fourth lens; and a fifth lens.
|Zoom lens and image pickup apparatus having zoom lens|
A zoom lens including a first lens unit having a positive refractive power, a second lens unit having a negative reflective power, a third lens unit having a positive refractive power, and a rear lens group including one or more lens units in this order from an object side to an image side, wherein distances between the respective lens units vary during the zooming operation, wherein the first lens unit consists of three lenses including one negative lens, and a partial dispersion ratio of a material for the negative lens of the first lens unit, an abbe number of the same, a focal length of the entire system at a wide angle end and a focal length of the first lens unit are set individually and adequately.. .
|Zoom lens and image pickup device including the same|
A zoom lens includes, in order from an object side to an image side, first to fourth lens units having positive, negative, positive and positive refractive powers, respectively. The intervals between adjacent lens units vary during zooming.
|Diffractive optical element and imaging device and illuminating device using same|
To provide a highly workable diffractive optical element which realizes a high refractive index and a low wavelength dispersiveness well balanced with each other and which exhibits high heat resistance and high endurance against temperature changes, a diffractive optical element includes a base member including a diffraction grating formed on a surface thereof and a protective film provided on the surface of the base member where the diffraction grating is formed, wherein the base member is composed of a silsesquioxane resin material or a dendrimer material which has a first refractive index and a first abbe number and wherein the protective film is composed of a silicone resin material which has a second refractive index smaller than the first refractive index and a second abbe number smaller than the first abbe number.. .
|Long patterned alignment film, and long patterned retardation film using same|
A long patterned alignment film is provided, from which a large number of patterned retardation films can easily be produced, having an alignment layer which is in a long form and comprises an optical alignment material, wherein the alignment layer includes a first alignment region for causing a rodlike compound having a refractive index anisotropy to be arranged in a certain direction, and a second alignment region for causing the rodlike compound to be arranged in a direction different from the certain direction of the first alignment region.. .
|Relay set for an endoscope and an endoscope|
The invention relates to a relay set for an endoscope that includes a plurality of relay sets of the same type, having two plano-convex rod lenses which face one another with their planar end surfaces, and an achromat that is arranged between these rod lenses, particularly in a central aperture plane of said relay set. Said achromat takes the form of an arrangement of at least two lenses which have different refractive indices and abbe numbers, and is located at a distance from the rod lenses.
|Durable, inorganic, absorptive, ultra-violet, grid polarizer|
An inorganic, dielectric grid polarizer device includes a stack of film layers disposed over a substrate. Each film layer is formed of a material that is both inorganic and dielectric.
|Liquid crystal display device|
A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, a dual passivation layer disposed between the first substrate and the second substrate. The dual passivation layer includes a first passivation layer and a second passivation layer.
|Zoom lens and image pickup apparatus including the same|
A zoom lens includes, in order from an object side to an image side, first and third lens units having a positive refractive power, a second lens unit having a negative refractive power, and a rear lens group. The first lens unit is closer to the object side at a telephoto end than at a wide angle end.
|Zoom lens and imaging apparatus|
A zoom lens includes: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; a fourth lens group having positive refractive power; a fifth lens group having negative refractive power; and a sixth lens group having positive refractive power. The first to sixth lens groups are arranged in order from an object side.
|Wide-angle lens system and imaging apparatus employing the same|
A wide-angle lens system includes, in an order from an object side toward an image surface side: a first lens group having positive or negative refractive power; a second lens group having positive refractive power; and a third lens group having negative refractive power. When an object position changes from an infinite distance to a nearest distance, the first and third lens groups are fixed, and the second lens group moves along an optical axis to perform focusing..
|Zoom lens and imaging apparatus employing the same|
A zoom lens includes, in an order from an object side to an image surface side: a first lens group having positive refractive power and including a negative lens and a positive lens; a second lens group having negative refractive power and including a negative lens having a meniscus shape concave to the image surface side; a third lens group having positive refractive power and including an aspherical lens having at least one aspherical surface; and a fourth lens group having positive refractive power. During zooming from a wide angle position to a telephoto position, the first through fourth lens groups all move, and the third lens group moves from the image surface side to the object side and then back to the image surface side..
|Light emitting diode light bulb havign a light dispersing layer attached on an envelope thereof|
An led light bulb includes a holder for electrically connecting with a power source, an led mounted on the holder, an envelope mounted on the holder and covering the led, and a light dispersing plate attached to an inner surface of the envelope. The light dispersing plate is made of a transparent material with a plurality of irregular air bubbles therein.
|Reel belt of gaming machine and gaming machine|
Provided is a reel unit for a gaming machine which suppresses decrease in visibility of a reel belt due to the formation of image of light source on a reel even if light emission intensity for illuminating the reel is high. It is provided a first light diffusion sheet with translucency having a light refraction surface including a surface formed thereon for refracting light passing therethrough in various directions, the first light diffusion sheet stacked on a base sheet; and a second light diffusion sheet having the light refraction surface, the second light diffusion sheet stacked on the first light diffusion sheet..
|Active matrix substrate|
The lateral electric field liquid crystal display device (1) includes a first insulating layer (5) that has at least one first reflection enhancing film layer which is made up of two films having respective different refractive indexes and being adjacent to each other. From this, it is possible to provide the lateral electric field liquid crystal display device (1) which can reflect incoming light at a reflectance higher than an original reflectance of a reflective electrode..
|Organic light emitting diode display|
An organic light emitting diode display includes a substrate including a plurality of subpixel areas, a plurality of pixel electrodes positioned corresponding to each of the plurality of subpixel areas on the substrate, a white emission layer formed on the plurality of pixel electrodes; a common electrode covering the white emission layer, a plurality of capping layers positioned corresponding to each of the plurality of subpixel areas on the common electrode, and a color filter layer including a plurality of filter layers corresponding to each of the plurality of subpixel areas. At least two capping layers among the plurality of capping layers have any one of a refractive index and a thickness different from each other..
|Tin oxide refractory and method for its production|
A tin oxide refractory comprising sno2, sio2 and zro2 as essential components, wherein the total content of sno2, sio2 and zro2 in the tin oxide refractory is at least 70 mass %, and, based on the total content of sno2, sio2 and zro2, the content of sno2 is from 32 to 98 mol %, the content of sio2 is from 1 to 35 mol % and the content of zro2 is from 1 to 35 mol %.. .
|Optical element using multicore optical fiber grating and method for processing optical signal using the same|
An optical element includes a multicore optical fiber, the multicore optical fiber including an inner core and at least one peripheral core arranged around the inner core and having an effective refractive index different from that of the inner core, and an optical fiber grating formed at the multicore optical fiber to cause an optical signal to be coupled between different cores among the inner core and the at least one peripheral core. The optical element allows a signal of a specific wavelength to be dropped added from an optical signal.
|Light guide plate with uniform light output and method of manufacturing same|
A light guide plate includes a main body and a number of transparent particles. The main body includes a light incident surface, and defines a micro structure in the light incident surface.
|Multilayer license plate lighting apparatus|
A lighting apparatus for illuminating a license plate includes a light source and a multilayer light guide. The multilayer light guide is configured to carry light from the light source and to cast light onto the license plate.
|Light guiding element and backlight module using same|
A light guiding element includes at least one fixing element and a number of light guiding pipes positioned on the fixing element. Each light guiding pipe includes a light guiding portion and a light scattering portion.
|Light-emitting diode lamp|
Led lamp (100) including a lens (206) and an led (204). The lens (206) has a parabolic section (506) defined about axis (510) and a focus (514).
An illumination module includes a lens and a plurality of light-emitting elements. The light-emitting elements are symmetrically arranged in a ring shape around a central axis.
|Imaging lens and imaging apparatus|
An imaging lens substantially consists of a first lens-group, a stop and a second lens-group in this order from an object-side. The first lens-group substantially consists of three or less lenses including at least one negative lens and a positive lens.
|Thin-type wide-angle imaging lens assembly with three lenses|
A thin-type wide-angle imaging lens assembly comprises a fixing diaphragm and an optical set including three lenses. An arranging order from an object side to an image side is: a first lens; a second lens; a third lens; and the diaphragm disposed at any position between an object and an image.
|Imaging lens and imaging apparatus|
An imaging lens substantially consists of a first-lens-group, a stop and a second-lens-group in this order from object-side. The first-lens-group substantially consists of a 1-1st-lens having negative-refractive-power and a meniscus-shape with its convex-surface facing object-side and a 1-2nd-lens having positive-refractive-power, and an object-side-lens-surface of which has a convex-shape facing object-side, in this order from object-side.
A wide-angle lens includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is with negative refractive power and includes a concave surface facing the image side.
|Imaging lens and imaging apparatus|
An imaging-lens substantially consists of a first-lens-group, a stop and a second-lens-group in this order from object-side. The first-lens-group substantially consists of three or less lenses including a negative-lens arranged closest to object-side and a positive-lens arranged on image-side of the negative-lens.
|Wide angle lens system and electronic apparatus having the same|
A wide angle lens system and an electronic apparatus including the same are provided. The wide angle lens system includes a first lens group having a negative refractive power, and a second lens group having a positive refractive power.
|Liquid lens driving method|
A liquid lenses driving method to control the focus of a liquid lens by inputting voltages to specific electrodes. The liquid lens includes a first liquid, a second liquid having a lower refractive index than and immiscible with the first liquid, a plurality of driving electrodes (m), an container, and a transparent cover.
|Projection lens and projection display apparatus|
A projection lens that projects image information displayed on the reduction side conjugate position onto the magnification side conjugate position includes an aspherical lens having a positive refractive power that satisfies predetermined conditional expressions and, when the back focus of the entire system is taken as bf, the focal length of the entire system is taken as f, the maximum effective image circle diameter on the reduction side is taken as imφ, and the distance from the reduction side conjugate position to the reduction side pupil position is taken as dexp, satisfies conditional expressions (6): bf/f>2 and (7): 0.5<. .
|Optical lens and apparatus for producing uniform beam using same|
An optical lens for converting an incident beam with an irregular brightness into a uniform beam with a regular brightness includes an adjustable component configured to adjust a brightness distribution or magnitude distribution of a portion with a relatively high brightness in the incident beam. The optical lens includes a lens surface configured to refract the remaining portion in the incident beam except the portion with a relatively high brightness distribution to irradiate a target..
A display device which can display a two-dimensional image that gives a viewer a strong sense of depth or three dimensions is provided. A display device includes a light-transmitting layer with a viewing surface and a convex surface facing each other, and a display region in which a plurality of display elements for displaying an image toward the viewing surface are provided along the convex surface.
|Reflective optical element for the euv wavelength range, method for producing and for correcting such an element, projection lens for microlithography comprising such an element, and projection exposure apparatus for microlithography comprising such a projection lens|
A reflective optical element 39 for euv wavelengths having a layer arrangement on the surface of a substrate, wherein the layer arrangement includes at least one layer subsystem 37 consisting of a periodic sequence of at least one period of individual layers. The period includes two individual layers having different refractive indices in the euv wavelength range.
|Diffractive optical element with undiffracted light expansion for eye safe operation|
Aspects of the subject disclosure are directed towards safely projecting a diffracted light pattern, such as in an infrared laser-based projection/illumination system. Non-diffracted (zero-order) light is refracted once to diffuse (defocus) the non-diffracted light to an eye safe level.
|Optical detection device|
An optical detection device is provided. The detection device includes a light source emitting light rays, a focusing lens, and a sample testing member.
Some embodiments of the invention may relate to an optical surveying device having a base for setting up the surveying device and a targeting unit, which is rotatable in relation to the base about two axes, and which defines a target axis or targeting a target object to be surveyed. In some embodiments, the targeting unit has a first beam path for emitting optical radiation in the direction of the target object to be surveyed and a second beam path for receiving a component of the optical radiation, which is reflected from the target object, by way of an optoelectronic receiving element.
|Device for selecting contact lens within a cabinet arranged to receive a plurality of contact lens and method associated thereof|
The invention relates to a device for selecting contact lenses within a cabinet arranged to receive a plurality of contact lenses, the device including a storage data device for storing data based on measurements from an auto refractometer; and a data processor device associated with a calculation module for identifying a contact lens on the basis firstly of data from the auto refractometer as previously stored in the storage device, and secondly of additional data relating to the contact lens that is to be identified and that was previously input by the user, the data processor device associated with said calculation module also being arranged to identify the location of the lens within the cabinet. The invention also relates to an associated method..
|Optical film, surface light source device, and liquid crystal display device|
An optical film according to one embodiment includes at least one stack having a plurality of basic pairs, each pair being composed of a first layer and a second layer having different refractive indices and being laminated. The number of the stacks, a difference in the refractive index between the first and second layers, and the number of the basic pairs are set such that a reflectance spectrum of the at least one stack as a whole matches a target reflectance spectrum.
|Interactive display unit|
An interactive display unit for presenting information and for interacting with a user, in particular in a vehicle interior, includes at least one imaging cell including a photorefractive polymer material layer between two transparent substrate carriers in a sealing arrangement. Each substrate carrier includes a transparent electrode layer that faces the photorefractive polymer material layer.
|Zoom lens and image pickup device including the same|
A zoom lens includes a front unit including one lens unit having a negative refractive power, and a rear unit including an aperture stop and one or more lens units and having a positive refractive power as a whole, and an interval between adjacent lens units changes during zooming such that an interval between the front unit and rear unit decreases at a telephoto end when compared to a wide angle end. The front unit includes a negative lens g11 in a position closest to the object side, and a lens surface of the negative lens g11 on the image side has an aspherical shape by which the positive refractive power increases from a center to an edge.
|Optical imaging lens set and electronic device comprising the same|
An optical imaging lens set from an object side toward an image side along an optical axis in order includes: a first lens element with positive refractive power, a second lens element with negative refractive power, a third lens element having an image-side surface with a convex portion in a vicinity of the optical axis, a fourth lens element having an object-side surface with a concave portion in a vicinity of the optical axis, and a fifth lens element having an object-side surface with a convex portion in a vicinity of its circular periphery.. .
|Optical imaging lens set and electronic device comprising the same|
An optical imaging lens set includes: a first lens element with positive refractive power, a second lens element having an image-side surface with a concave portion in a vicinity of its periphery, a third lens element with positive refractive power, having a convex image-side surface, an object-side surface with a concave portion in a vicinity of its periphery, a fourth lens element having a concave object-side surface, and a plastic fifth lens element having an image-side surface with a concave portion in a vicinity of the optical axis. The total thickness ta1 of the all lens elements along the optical axis, all four air gaps gaa between each lens element along the optical axis, the thickness t3 of the third lens element along the optical axis and the thickness t5 of the fifth lens element along the optical axis satisfy the relation (ta1+gaa)/(t3+t5)≦4.00..
|Photoelectric conversion apparatus|
A photoelectric conversion apparatus includes a semiconductor substrate having a photoelectric conversion portion. An insulator is provided on the semiconductor substrate.
A light-emitting device or a display device that is less likely to be broken is provided. Provided is a light-emitting device including an element layer and a substrate over the element layer.
|Optical device and method for manufacturing the same|
The present invention provides an optical device, and the optical device comprises a luminous element and a gradient-index nanoparticle layer and scattering particles composed by particles stack with different refractive indexes and particle sizes. The luminous element has a light emitting surface.
|Organic light emitting display device and manufacturing method thereof|
An organic light emitting display device includes a substrate, a display unit on the substrate, and an encapsulation layer on the display unit, the encapsulation layer including a plurality of alternating inorganic and organic films, at least one of the organic films being a patterned organic film, and the patterned organic film having a plurality of high refractive index portions in an organic matrix.. .
|Light emitting device and method for manufacturing the same|
Provided are a light emitting device and a method for manufacturing the same. The light emitting device comprises a first conductive type semiconductor layer, an active layer, a second conductive type semiconductor layer, and a light extraction layer.
|Solid-state imaging device and imaging apparatus|
A solid-state imaging device includes a plurality of pixels, wherein one or more of the plurality of pixels have a pupil dividing portion and a light receiving portion, the light receiving portion includes a plurality of photoelectric conversion regions, an element isolation region is provided between adjacent ones of the plurality of photoelectric conversion regions, and wherein a scatterer is provided within the pupil dividing portion and above the element isolation region, and the scatterer is formed from a material of a refractive index smaller than a refractive index of a material of the pupil dividing portion peripheral to the scatterer.. .
|Low thermal distortion silicone composite molds|
Photovoltaic modules, and methods for fabricating said photovoltaic modules, are provided and include a photovoltaic cell operable to convert photons to electrons having a light transparent superstrate material with a superstrate absorption coefficient and a superstrate refractive index, and an encapsulant having an encapsulant absorption coefficient and an encapsulant refractive index, wherein an absorption coefficient relationship between the superstrate absorption coefficient and the encapsulant absorption coefficient and a refractive index relationship between the superstrate refractive index and the encapsulant refractive index are selected such that there is a gain in efficiency.. .
|Refractory material removal system and method|
Apparatus for removing coked refractory from the inside of a cylindrical structure used in a fluid catalytic converter. A body is received within the structure and movable along its length.