Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
09/1998
09/30/1998CN2293078Y Expansion lens
09/29/1998US5815607 Image reading device, and inspection apparatus and exposure apparatus using the device
09/29/1998US5815318 Axially-graded index-based couplers
09/29/1998US5815293 Compound objective lens having two focal points
09/29/1998CA2056313C Scattering type liquid crystal device
09/26/1998CA2227338A1 Method for controlling refractive index of silica glass
09/24/1998WO1998041178A1 Methods and systems for correction of hyperopia and/or astigmatism using ablative radiation
09/23/1998EP0865618A1 Holographic optical device and method of manufacture
09/23/1998CN2292290Y Magnifying glass with temp. indication
09/22/1998US5812322 Lenslet array system incorporating a field lenslet array
09/22/1998US5812255 Process and device for determining the refractive index of different mediums
09/17/1998DE19710668A1 Variable lens system e.g. for endoscope zoom lens
09/16/1998CN1193389A 三维成象系统 Three-dimensional imaging system
09/15/1998US5808811 Zoom lens system
09/15/1998US5808806 Optical element having regions of different refractive indices for refraction of light transmitted therethrough and wherein the regions form a refractive lens and method of fabricating the same
09/15/1998US5808784 Lens array sheet surface light source, and transmission type display device
09/15/1998US5807622 Optic lens formed by heat treating sacrificial planar layer structure comprising pattern having variable width spacings to form contour to be subsequently transformed onto substrate and smoothened
09/15/1998US5806955 TIR lens for waveguide injection
09/08/1998US5805361 Optical element, optical element molding die, and method of molding the optical element
09/08/1998US5805358 UV-curable fresnel lens resin composition, fresnel lens, and back projection screen
09/08/1998US5805355 For use in a laser optical system
09/08/1998US5805343 Optical element and a method for forming the same
09/08/1998US5805265 Progressive lens
09/08/1998US5803568 Dual grooved Fresnel lens for overhead projection
09/03/1998WO1998038137A1 Process and device for manufacturing networks of microlenses
09/02/1998CN2289945Y Enhancement thick ring Fresnel lens colour lamp annunciator
09/02/1998CN1191979A Objective lens and optical pickup apparatus
09/01/1998US5802092 Diode laser source with concurrently driven light emitting segments
09/01/1998US5801884 Optical device and process for producing the same
09/01/1998US5800907 For providing stereoscopic or three-dimensional images
09/01/1998US5800530 Intra-ocular lens system including microelectric components
08/1998
08/26/1998EP0860650A2 Lighting device, such as a motor-vehicle headlamp, having means for adjusting the emitted light beam
08/26/1998CN1191608A Optical apparatus and adjusting method thereof
08/25/1998US5799121 Multi-port optical device
08/25/1998US5798866 Picture display device with two microlens arrays
08/25/1998US5797668 Surface illumination device suitable for a backlit display
08/20/1998WO1998036295A1 Optical element
08/20/1998DE19806983A1 Light distribution lens for a flash unit of a camera
08/19/1998EP0859356A2 Optical pickup having an objective lens compatible with a plurality of optical disk formats
08/19/1998EP0859248A2 Multi-port optical device
08/18/1998US5796525 Quadaxial gradient index lens
08/18/1998US5796522 For imaging an extended associated object onto a final image surface
08/18/1998US5796520 Chromatic aberration correcting element and its application
08/18/1998US5796462 For astigmatic patients
08/14/1998CA2223661A1 Multi-port optical device
08/12/1998EP0857308A1 Infrared-transparent structure including an adherent, infrared-transparent polymer layer
08/11/1998US5793783 Method for producing a highpower beam from a diode laser source having one array or plural subarrays
08/11/1998US5793538 Solid catadioptric lens
08/06/1998WO1998034133A1 Lens arrangements
08/05/1998EP0856764A2 Grin lensed optical device
08/04/1998US5790322 Optical system and apparatus for magnifying a display panel
08/04/1998US5790314 Grin lensed optical device
08/04/1998US5790305 Projection system comprising a free form reflector and a free form lens
08/04/1998US5790283 Optimization of overlapping holographic lens array for creating via matrix
08/04/1998US5790239 Illumination optical apparatus containing an optical integrator and projection exposure apparatus using the same
08/04/1998US5790227 Highest-ophthalmic-quality hand-assembled instant multi-focal prescription eyeglasses custom adjusted to wearer astigmatism, pupillary distance and/or segment height
08/04/1998US5790086 3-D imaging system
08/04/1998US5787893 Surgical splash shield prevention devices
07/1998
07/30/1998WO1998033222A1 Rigid battery separator with compliant layer
07/30/1998WO1998033091A1 Lens array on lcd panel and method
07/29/1998EP0826162A4 Fabrication of microlenses and devices that include microlenses
07/29/1998CN1189219A Variable focus lens by small changes of equatorial lens diameter
07/28/1998US5786585 Scanning accessory for a portable terminal for collecting/entering data
07/22/1998CN1188043A Optical device molding apparatus and method, and optical device
07/21/1998US5784209 Multi-axis optical lens
07/21/1998US5782347 For displaying visual information
07/16/1998WO1998030473A1 Display systems with multiple view optics
07/16/1998CA2277107A1 Display systems with multiple view optics
07/15/1998EP0696955B1 Moulded photochromic lens and method of making same
07/15/1998EP0695231B1 Moulded photochromic lens and method of making same
07/14/1998US5781257 Flat panel display
07/07/1998US5777803 Objective lens for optical pick-up head of optical disk drive
06/1998
06/30/1998US5774274 Variable focus lens by small changes of the equatorial lens diameter
06/30/1998US5774273 Variable-geometry liquid-filled lens apparatus and method for controlling the energy distribution of a light beam
06/30/1998US5772313 Optical means for annular illumination of a spot
06/25/1998WO1998027448A1 Lens with variable focal length
06/25/1998DE19755565A1 Lens system for use with camera
06/24/1998CN2284964Y Special lens
06/24/1998CN1038834C 光学玻璃 Optical glass
06/17/1998EP0847329A2 Process for fabricating three-dimensionally structured polymer films for integrated optics
06/16/1998US5768031 Objective lens
06/16/1998US5768023 Optical apparatus
06/16/1998US5768022 Laser diode having in-situ fabricated lens element
06/16/1998CA2100115C Method for producing a semiconductor light emitting device
06/09/1998US5764323 Transmission type display device with aspheric microlenses
06/09/1998US5764319 Transmissive display device with microlenses and microprisms adjacent counter electrode
06/09/1998US5764318 Liquid crystal display panel and projector utilizing the same
06/09/1998US5764274 Apparatus for laser-discharge imaging and focusing elements for use therewith
06/09/1998US5762414 Indicating light, in particular a complementary stop light for a motor vehicle, having a number of light sources in line with each other
06/04/1998WO1998023978A1 Method of producing lens sheet and projection screen
06/02/1998US5760963 Fly-eye lens, illumination optical apparatus, and exposure apparatus
06/02/1998US5760871 Diffractive multi-focal lens
05/1998
05/27/1998EP0843837A1 Fibre optic device for homogenising a laser beam
05/27/1998EP0843836A1 Optical device for homogenising a laser beam
05/27/1998EP0626085B1 Credit card with magnifying lens
05/27/1998CN1182953A High-difinition CRT and making method
05/27/1998CN1182720A Glass composition of core/clad structure refractive index distribution type optical element
05/26/1998US5757557 Beam-forming lens with internal cavity that prevents front losses
05/22/1998WO1998021612A1 Optical system for alternative or simultaneous direction of light originating from two scenes to the eye of a viewer
05/20/1998EP0843189A1 Autofocus module