Matches 51 - 100 out of 158 < 1 2 3 4 >
Match Document Document Title
6246524 Beam homogenizer, laser irradiation apparatus, laser irradiation method, and method of manufacturing semiconductor device  
There is disclosed a technique in which stripe formation due to laser annealing is prevented and uniform laser annealing is made over the whole surface of a substrate. A laser beam having an energy...
6243208 Optical element, optical system using optical element, and optical device with optical element  
In an optical element (B1) prepared by integrally forming, on surfaces of a transparent member, a refracting surface (R2) for receiving a light beam, a plurality of reflecting surfaces (R3, R4, R5)...
6226127 Optical images  
A substrate is arranged to provide at least one optically variable image the substrate has a front surface formed with a plurality of groups of elemental areas, the different said groups of...
6160664 Process and device for forming and guiding the radiation field of one or several solid and/or semiconductor lasers  
A process and device for forming and guiding the radiation field or one or several solid and/or semiconductor lasers, in particular the radiation field of an array or field arrangement of one or...
6155692 Surface light source device of side light type  
A surface light source device of side light type is provided with guide plate, a primary light source, a reflection sheet and a prism sheet. The back surface of the guide plate provides a light...
6115185 Process and device for forming and guiding the radiation field of one or several solid and/or semiconductor lasers  
The present invention relates to a process and device for forming and guig the radiation field of one or several solid and/or semiconductor lasers.
6104535 Laser irradiation apparatus and method  
Where an object is irradiated and scanned with laser beams that have been shaped into a linear shape and are moved in their width direction, a cylindrical lens group that is used in an optical...
6084713 Lenticular optical system  
A lenticular optical system is described in which a composite image is viewable through a lens sheet from a first angle and an object or image placed at a preselected distance beneath the composite...
6021007 Side-collecting lightguide  
A plate collects light and guides it to an internal focus (20). The plate is constructed of prisms (2) that allow simultaneous reflection and transmission of light. The prisms are easily...
6005718 Apparatus and a method for combining light using one flat plate and a method for manufacturing the apparatus  
A light combining apparatus using a flat plate operating to combine at least two incident light beams entering the flat plate at a first angle with respect to the vertical direction on an incidence...
5966105 Free-vision three dimensional image with enhanced viewing  
A structure for creating brighter viewing three dimensional images which have a spacer with a rastor pattern having parallel lineations of alternately opaque and optically clear portions on one...
5946138 Illumination optical system, exposure device and device manufacturing method  
An illumination optical system includes a light source which produces a light beam, the light beam having an anisotropic coherence, with a high coherence direction and a low coherence direction,...
5880887 Lenticular lens sheet, display front plate and transmission type projection screen  
A lenticular lens sheet includes a substrate layer, a lens portion having a lenticular lens configuration which is shaped so as to be convex on a light incident face side of the substrate layer and...
5850310 Zoom device  
The invention is directed to a zoom device which is built up of several lenses wherein at least one parallel entry beam is changed with respect to its diameter. The exit beam has the same optical...
5844727 Illumination design for scanning microlithography systems  
In one embodiment, the illumination system for a scanner incorporates an excimer laser whose square beam is incident upon a two-dimensional array of lenses. The light exiting the array is made...
5801794 Color display device in which the area of a spherical lens equals the area of a set of RGB sub-pixels  
The invention relates to a color display device comprising a chromatic dispersive grating and an active matrix possibly of liquid crystal type. This device moreover comprises a matrix of spherical...
5745519 Laser diode system  
Laser diode bars with a plurality of light emitting facets have the light from those facets coupled into corresponding fibers of a fiber optic bundle via a microlens having a superconic cross...
5699190 Lenticular media having spatially encoded portions  
A lenticular media (10) has an encoded portion (12) adjoining a main portion (14). The encoded portion (12) is located to provide alignment and registration for precisely determining the location...
5661603 Image display apparatus including a first and second prism array  
An image display apparatus, e.g., a head-mounted image display apparatus, which uses a compact optical system and yet has minimal aberrations and a large exit pupil diameter. An image displayed on...
5642226 Lenticular optical system  
A lenticular optical system is described in which a composite image is viewable through a lens sheet from a first angle and an object or image placed at a preselected distance beneath the composite...
5621499 Scanning exposure apparatus  
A scanning system includes an illuminating device for illuminating an object with coherent illumination light, and a scanning device for relatively and scanningly moving the object relative to the...
5616416 Method and display panel for displaying color image  
A color image is displayed by using a display panel with a color pattern layer which is formed on one side of a transparent substrate and has, for example, three separate sets of transparent pixel...
5592333 Device for optically rotating light beams in a beam array  
An optical apparatus for converting an incoming array of light beams by interchanging the horizontal and vertical components of each beam, the apparatus having a series of grooves, one groove for...
5519539 Microlens array with microlenses having modified polygon perimeters  
A microlens array and mold for making same in which the perimeter of each microlens is a modified polygon in that each edge of the lens approximates an elliptical arc, the ends of which terminate...
5475533 Apparatus for enhancing the brightness of an image and method of making the same  
A light control material generally comprising a transparent substrate for carrying a print or photographic image and a plurality of focusing elements which provide a field of view over which the...
5345336 Micro aspherical lens and fabricating method therefor and optical device  
An imaging device is formed by a transparent substrate having opposite surfaces on which are formed a plurality of micro aspherical lenses. The axes of the lenses on one surface coincide with the...
5337186 Transmissive image display device  
A projection-type image display device includes a transmissive image display panel having a matrix of pixels arranged at different pitches in different directions perpendicular to each other, and a...
5278592 Ophthalmic lens  
An ophthalmic lens has front and rear optical surfaces, a central optical axis substantially perpendicular to the lens and comprises a plurality of concentric, contiguous circular refractive bands...
5251067 Fly-eye lens device and lighting system including same  
In a fly-eye lens device according to the present invention, a fly-eye lens supported by supporting means is formed by two-dimensionally arranging plural types of fly-eye constituent lenses of...
5106180 Multifocal ophthalmic lens  
An ophthalmic lens has front and rear optical surfaces, a central optical axis substantially perpendicular to the lens and comprises a plurality of concentric, contiguous circular refractive bands...
4769750 Illumination optical system  
An illumination optical system comprises a multi-beam generator which includes a plurality of each of two kinds of lens elements different in optical characteristics and which is interposed between...
4757350 Stereoscopic recording method and apparatus, and production method and apparatus  
Apparatus for producing a record of an object field in which substantially perspective change in one direction only is recorded. The apparatus comprises elongate aperture means (35) and an array of...
4703405 Glare reducing lens  
A refractive lens member for use with a luminaire is constructed to minimize high angle glare. The grid comprises a plurality of lenses which are interconnected by a rib structure to form a pattern...
4663871 Variable aspect display  
The light incident upon a lenticular parallax panoramagram variable aspect display is imaged upon the object field and then distributed in part across portions of the object field outside the...
4557954 Three-dimensional photograph  
A method of making a high quality three-dimensional photograph is disclosed. The method utilizes a camera with a film mount therein, a rastor, a film, a separator for keeping the line rastor...
4541727 Lenticular optical system  
The present invention includes an optical system with a first composite image viewable through a lenticular lens sheet. The first composite image is formed of a multiplicity of spaced apart...
4481050 Method of making a three-dimensional photograph  
A method of making a high quality three-dimensional photograph is disclosed. The method utilizes a camera with a film mount therein, a rastor, a film, a separator for keeping the line rastor...
4480894 Curtain for shrouding welding operations  
A curtain for surrounding welding and cutting operations, especially electric arc welding and electric arc cutting operations to protect the eyes of otherwise unprotected observers such as...
4472735 Optical low-pass filter  
An optical low-pass filter is used in a television camera which has an optical system including an iris and a color stripe filter. The optical low-pass filter comprises a base plate, and a...
4332438 Lens element  
A lens element for a vehicle lamp, e.g. a direction indicator lamp, consists of a molded transparent plastic body provided with parallel rows of projections each of which has the form of part of a...
4145131 Compact camera and viewer apparatus  
An apparatus for use as both a camera and a viewer. As a camera, light from an object is broken up by a planar array of N lenses into N identical images which fall onto an opaque mask. A small...
4114037 Multiple lens system for an optical imaging device  
An optical imaging device divides a long thin object, such as a line of print, into several sections and arranges the sections into an overlapping image, of area form as compared to the original...
4099879 Optical antenna or lens  
An opto-electronic antenna system includes a plurality of transmitting/receiving antennas disposed over a prescribed geometrical surface such as a sphere. To the antennas are optically coupled...
4054125 Solar heating window cover  
A dark colored absorbing substrate covered with monolayer of solar radiation, transparent spheres, absorbs solar radiation for heating an air column formed between drapery material and the...
4035579 Pulse-code modulated video reproducer utilizing linear arrayed lenses  
A video playback system utilizing a vertically moving strip of photosensitive film on which linear bit fields containing a pulse-code modulated (PCM) representation of a television picture have...
4034555 Lenticular optical system  
The present invention includes an optical system with a first composite image viewable through a lenticular lens sheet. The first composite image is formed of a multiplicity of spaced apart...
3991741 Roof-lens solar collector  
An array of linear lenses is used as a combination roof-skylight-solar collector. The lenses are oriented at a given latitude to face the most remote of the earth's poles inclined by the local...
3961956 Method for production of and distinction between combined validification and identification photographs  
A method production of a composite photograph containing at least two images, i.e. a mark image and a holder image, and a method for distinguishing images in said composite photograph, said...
3950769 Compact camera and viewer apparatus  
An apparatus for use as both a camera and a viewer. As a camera, light from an object is broken up by a planar array of N lenses into N identical images which fall onto an opaque mask. A small...
3941475 Optical microcircuit printing system  
A system is disclosed for exposing to ultraviolet light a semi-conductor or hybrid substrate coated with photo-resist, in back of a mask having bars and very narrow slits, the diffraction patterns...
Matches 51 - 100 out of 158 < 1 2 3 4 >