|
Match
|
Document |
Document Title |
|
|
7443608 |
Uniform diffuse omni-directional reflecting lens
A transparent multi-layer lens construction to be worn as a sunglass lens, or a fashion lens, that reflects light in a diffuse manner. The multi-layer lens construction is, in part, a combination...
|
|
|
7339752 |
Image pick-up lens system
An image pick-up lens system from an object side to an image side includes an aperture stop ( 10 ), and a meniscus-shaped lens ( 20 ) having a concave surface on the object side and a convex...
|
|
|
7327415 |
Microvoided light diffuser
The invention relates to a light diffuser comprising a thermoplastic layer containing thermoplastic polymeric material and microvoids having a substantially circular cross-section in a plane...
|
|
|
7324292 |
Illumination optical system, illumination apparatus using the illumination optical system, and observation system provided with the illumination optical system or the illumination apparatus
An illumination optical system disposed in order to diffuse illumination light emitted from a light source, includes at least one optical device having a roughened optical surface, with the...
|
|
|
7283304 |
Antiglare film
The antiglare film proposed by the present invention has a light-diffusing layer in which fine resin particles are dispersed in a clear resin phase, wherein the fine resin particles comprise at...
|
|
|
7271962 |
Two-dimensional image formation apparatus
A two-dimensional image formation apparatus according to the present invention is provided with laser sources ( 1 a )˜( 1 c ), diffusers ( 6 a )˜( 6 c ) for diffusing light, illumination optical...
|
|
|
7251082 |
Photochromic/vitroceramic window assembly
A photochromic/vitroceramic window assembly that restores some of the natural illumination and warm blue-green colors normally excluded from the interior of an enclosed space after blocking at...
|
|
|
7249878 |
Multi-layer illuminated package
A sheet of material and package made using the sheet of material. The sheet of material having an having an outer diffuse layer and an inner light piping layer adjacent the diffuse layer. The sheet...
|
|
|
7224537 |
Diffusion lens for diffusing LED light
Disclosed herein is a diffusion lens for diffusing LED light. The diffusion lens of the present invention includes a bottom surface, a conic first lens surface, a second lens surface, and a third...
|
|
|
7206492 |
Light guide plate and backlight module adopting the same
A light guide plate ( 120 ) includes an incidence surfaces ( 121 ), an emission surface ( 123 ) adjoining the incidence surface, and a bottom surface ( 122 ) adjoining the incidence surface and...
|
|
|
7193791 |
Tilt error reducing aspherical single lens homogenizer
A single lens homogenizer for converting a wide, parallel, in-phase Gaussian beam into a narrow uniform-power beam and shooting an object with the narrow uniform-power beam is proposed. A tilt...
|
|
|
7179848 |
Method for coloring a transparent article made of polycarbonate and resulting article
The invention concerns a method which consists in irradiating at least one face of the article with UV radiation, causing the article to be photodegraded over a thickness of at least 1 μm, and in...
|
|
|
7168822 |
Reconfigurable linescan illumination
A reconfigurable illumination system for illuminating an object, and associated method. The illumination system comprises a cylindrical diffuser having a longitudinal aperture, a linescan camera...
|
|
|
7167310 |
Microscope, especially microscope used for inspection in semiconductor manufacture
A microscope, especially a microscope that is used for inspection in semiconductor manufacture is disclosed. The microscope comprises a pulsed laser for the purpose of illumination, preferably in...
|
|
|
7161743 |
Light diffusing sheet, optical element and image display unit
A light diffusing sheet of a structure in which a light diffusing layer is formed on at least one surface of a transparent film, the light diffusing layer including a resin coat layer having a...
|
|
|
7139133 |
Optical lens soft-focus effect
The optical lens, especially for a motor vehicle, is provided with a soft-focus effect, e.g. to soften a light-dark boundary on an illuminated surface. For this purpose the optical lens has an...
|
|
|
7114838 |
Dish lens for backlight module and light emitting diode
The backlight module includes a reflective sheet, at least one point light unit with a dish lens on the reflective sheet. The dish lens has a light-permeable surface formed on the bottom of the...
|
|
|
7106517 |
Display optical films
There is provided an optical film. The optical film comprises a first surface defined by a first surface structure function modulated by a second surface structure function such that the first...
|
|
|
7042658 |
Lens forchromatic aberration compensation
A lens for chromatic aberration compensation is provided. The lens includes a lens body and a plurality of color filter films. The lens body has a light incident plane, a light exit plane and an...
|
|
|
7035022 |
Observation optical system and optical apparatus
An observation optical system is disclosed with which the Fresnel reflection at the surfaces of optical members can be reduced, the transmittance can be improved, and the surface reflection ghost...
|
|
|
7033736 |
Structured screens for controlled spreading of light
Structured screens for the controlled spreading, diffusion, or scattering of an incident beam are provided. The screens are composed of microstructures ( 1,2 ) whose configurations and distribution...
|
|
|
7033061 |
Backlight module and lens thereof
A backlight module for a liquid crystal display includes a reflective sheet, at least one light source above the reflective sheet, and a lens above the light source. The lens has a light-permeable...
|
|
|
7031061 |
Diffusing film comprising transparent resin and scatterers
A diffusing film comprises a transparent resin in which scatterers are dispersed. The difference between the refractive index of the transparent resin and that of the scatterers is in the range of...
|
|
|
7023626 |
Optical device, lens and optical element for focusing a laser beam and apparatus and method for assembling the optical device
The invention relates to an optical device for focusing a laser beam, comprising a source of emission of a laser beam, for example a substantially elliptic and astigmatic laser beam, a focusing...
|
|
|
7009771 |
Optical element containing an optical spacer
Disclosed is an optical element containing a rough surface having a roughness average equal to at least 5 micrometers wherein the rough surface contains at least two roughness populations in which...
|
|
|
7006293 |
High brightness diffuser
A solution for fabricating a light diffusing sheet-like device capable of emitting light with superior brightness, that is a high brightness diffuser. The high brightness diffuser mainly includes...
|
|
|
6980374 |
Solid immersion mirror
An apparatus for focusing electromagnetic radiation comprises a planar solid immersion mirror including edges for reflecting an electromagnetic wave toward a focal point adjacent to a truncated end...
|
|
|
6965715 |
Lens and method for producing a lens
A rod lens with one or more optically active surfaces and one or more inactive surfaces, in which one part of the optically inactive surface or surfaces, especially a lens facet and/or radial...
|
|
|
6954315 |
Night vision and audio signal reduction system
A surface configuration obscures an object from detection by night vision devices, ultraviolet devices and infrared devices. The surface configuration is three dimensional, having spaced inner and...
|
|
|
6952435 |
Speckle free laser probe beam
The present invention contemplates a method and apparatus to generate a laser probe beam free of speckles. The present invention employs a holographic phase plate inserted in a laser beam path to...
|
|
|
6900941 |
Light diffuser with colored variable diffusion
The invention provides a light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored. The invention also provides light diffuser comprising a...
|
|
|
6898012 |
Light reflector with variable diffuse light reflection
Disclosed is a diffuse reflector comprising a macro reflection efficiency variation. The invention provides improved light reflection for a back lit display while simultaneously diffusely...
|
|
|
6891681 |
Anti-glare protection device
An anti-glare protection device, for example a pair of welding goggles, a welding mask or a welding helmet, includes a supporting part with a sight opening ( 3 ), an optical filter element arranged...
|
|
|
6890642 |
Surface formed lenses on voided polymer light diffuser
Disclosed is a transparent polymeric diffusion film exhibiting at least 50% transmissivity containing a thermoplastic polymeric material with internal microvoids and containing a plurality of...
|
|
|
6888595 |
Reflector and liquid-crystal display device
A reflector has a transparent film, an adhesive layer disposed on one surface of the transparent film, a groove structure provided on the other surface of the transparent film, the groove structure...
|
|
|
6867929 |
Light source device
The present invention provides a light source device that is safe for human eyes and whose switching is performed at high speed. The light source device comprises one or more laser light sources (...
|
|
|
6867928 |
Method and apparatus for correcting visual aberrations in image projection systems
High spatial frequency optical noise in the form of intensity contrasting picture elements in the display of a projected light image on a bead-oriented image-enhancing filter is significantly...
|
|
|
6867927 |
Transparent surface formed complex polymer lenses
Disclosed is a transparent polymeric film having a top and bottom surface comprising a plurality of complex lenses on at least one surface thereof and containing as its primary ingredient a polymer...
|
|
|
6852396 |
Photodiffusion sheet and backlight unit using this
It is an object of the present invention to provide a light diffusing sheet that has a less tendency to be deflected due to heat generated by a lamp and a back light unit using this. The light...
|
|
|
6847496 |
Transmission of free-space optical communication signals through windows
A method and apparatus for improving the transmission of a free-space optical communications signals through windows having surface imperfections. A void-filling material is applied to one or both...
|
|
|
6825983 |
Optical element containing an interference fringe filter
Disclosed is an optical element comprising in order a light source, air, at least one thin layer having a thickness of 80 to 200 nm, and a thick layer, each layer varying in refractive index (RI)...
|
|
|
6818276 |
Light management film with colorant receiving layer
Disclosed is a light management film containing a substrate, light shaping elements with a roughness average of at least 3 micrometers, and a layer capable of receiving a colorant density of at...
|
|
|
6813094 |
Surface formed complex polymer lenses diffuse reflector
Disclosed is a diffuse reflector comprising a reflective layer and a transparent polymeric film comprising a plurality of complex lenses on a surface thereof.
|
|
|
6803088 |
Reflection media for scannable information system
Disclosed is a reflection media comprising a polymer layer having a Tg of less than 75° C. and containing machine scannable information in the form of matte and glossy areas.
|
|
|
6798574 |
Prism diffuser for diffracting and spreading light
The present invention relates to a prism diffuser for diffracting and spreading light, and in particular to a prism diffuser for diffracting and spreading light which is capable of spreading light...
|
|
|
6778336 |
Reduced visibility surface
A surface configuration obscures an object from detection by night vision devices, ultraviolet devices and infrared devices. The surface configuration is three dimensional, having spaced inner and...
|
|
|
6724535 |
Stepped surface diffuser
An optical device such as an overlay panel for a LCD display, comprises an element of light-transmitting material having a surface configured to form a stepped Fresnel prismatic structure. The...
|
|
|
6721102 |
Surface formed complex polymer lenses for visible light diffusion
Disclosed is a transparent polymeric film having a top and bottom surface comprising a plurality of complex lenses on at least one surface thereof. Such a film is useful for diffusing light such as...
|
|
|
6710923 |
Diffusing film comprising transparent resin and scatterers
A diffusing film comprises a transparent resin in which scatterers are dispersed. The difference between the refractive index of the transparent resin and that of the scatterers is in the range of...
|
|
|
6683720 |
Reflector, sidelight type backlighting apparatus and reflector substrate
An object of the invention is to provide a sidelight type backlighting apparatus having high brightness, which is yet reduced in uneven brightness, and to provide a reflector substrate having a...
|