ClassID:

173690

G02B5/204 - CPC Classification

Classification description:

Optical elements other than lenses; Filters in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces

Recent Application in this class:
#1
20250370173
2025-12-04

ULTRA-SPECTRALLY SELECTIVE TERAHERTZ BAND STOP REFLECTOR

#2
20250306253
2025-10-02

VARIABLE WAVELENGTH INTERFERENCE FILTER

#3
20250008715
2025-01-02

METHOD FOR PROTECTING IR TRANSMITTING WINDOWS AND DOMES FROM EMI

#4
20230420471
2023-12-28

IMAGE PICKUP ELEMENT AND ELECTRONIC DEVICE

#5
20230410550
2023-12-21

Biometric imaging device comprising color filters and method of imaging using the biometric imaging device

#6
20230332759
2023-10-19

Quantum dot display panel, preparation method thereof and display device

#7
20230282664
2023-09-07

OPTICAL COMPONENT WITH WAVEGUIDE BASED FILTER

#8
20230186675
2023-06-15

Sensing device

#9
20230051302
2023-02-16

Sensing device and electronic device

#10
20220340475
2022-10-27

OPTICAL GLASS

#11
20220283344
2022-09-08

Stealth device

#12
20220186044
2022-06-16

Thermal signature control structures

#13
20220137272
2022-05-05

Dynamic matrix filter for vehicle image sensor

#14
20220124263
2022-04-21

Focus plane equalizer apparatus with prismatic focus corrector

#15
20210302231
2021-09-30

Tunable notch filter

#16
20210143201
2021-05-13

Optical component with waveguide based filter

#17
20210018834
2021-01-21

Process for plasmonic-based high resolution color printing

#18
20200310014
2020-10-01

Durable functional coatings

#19
20200310013
2020-10-01

Dynamic matrix filter for vehicle image sensor

#20
20200280688
2020-09-03

Focus plane equalizer apparatus with prismatic focus corrector

#21
20200150311
2020-05-14

Optically transmissive devices and fabrication

#22
20190353834
2019-11-21

Infrared reflective and electrical conductive composite film and manufacturing method thereof

#23
20190310398
2019-10-10

Micron-size plasmonic color sorter

#24
20190293387
2019-09-26

TARGET ENHANCED FILTERING DEVICE

#25
20190219747
2019-07-18

Tunable graphene-based infrared reflectance filter having patterned nanoantenna layer and unpatterned graphene layer

#26
20190196183
2019-06-27

Solid-state imaging element, pupil correction method for solid-state imaging element, imaging device, and information processing device

#27
20190187346
2019-06-20

Dielectric based reflective color filter and manufacturing method thereof and display device having the same

#28
20190141227
2019-05-09

Optical filter opacity control in motion picture capture

#29
20190089914
2019-03-21

Focus plane equalizer apparatus with prismatic focus corrector

#30
20190025120
2019-01-24

Spectrometer and spectrum measurement method utilizing same

#31
20190019000
2019-01-17

Optics-based fingerprint sensor, electric device including optics-based fingerprint sensor, and operation method of electric device

#32
20180348495
2018-12-06

Microscopy system

#33
20180334579
2018-11-22

Thermal signature control structures

#34
20180278820
2018-09-27

Optical detection apparatus and methods

#35
20180259846
2018-09-13

Graphene spectral purity filter

#36
20180100956
2018-04-12

High-luminance display apparatus

#37
20170323171
2017-11-09

Arrangement of an aperture and a filter region for a filter sensor device and filter sensor device

#38
20170293168
2017-10-12

Display device

#39
20170278826
2017-09-28

Solid-state image capturing apparatus and electronic device for acquiring a normal image and a narrow band image

#40
20170257549
2017-09-07

Optical filter opacity control for reducing temporal aliasing in motion picture capture

#41
20170225502
2017-08-10

Plasmonic optical security component, production of such a component and a secure document equipped with such a component

#42
20170192351
2017-07-06

Process for plasmonic-based high resolution color printing

#43
20170192186
2017-07-06

Material for blocking crosstalk, optical assembly, and method for preparing material

#44
20170191308
2017-07-06

Method of making electro-optic window by sputtering material to fill channels of a grid

#45
20170160584
2017-06-08

Liquid crystal display panel of improving color washout

#46
20170153367
2017-06-01

Plasmonic filter

#47
20170153366
2017-06-01

Quantum dot color filter and display apparatus including the same

#48
20170146707
2017-05-25

SPECTRAL DEVICE AND IMAGE-PICKUP DEVICE

#49
20170139087
2017-05-18

PLASMONIC OPTICAL FILTER

#50
20170127024
2017-05-04

Optical filter, solid state imaging device, and electronic apparatus

#51
20170097451
2017-04-06

Optical filter and electronic device including the same

#52
20170092678
2017-03-30

Method of manufacturing a nanostructured spectral filter

#53
20170024181
2017-01-26

Portable display

#54
20170017150
2017-01-19

Pellicle for reticle and multilayer mirror

#55
20160341857
2016-11-24

Apparatus and methods to provide a surface having a tunable emissivity

#56
20160301470
2016-10-13

MIMO visible light communication system receiving device

#57
20160259099
2016-09-08

Sensing images and light sources via visible light filters

#58
20160254303
2016-09-01

Photoelectric conversion device

#59
20160147080
2016-05-26

Color filter-integrated polarizer and method of manufacturing the same

#60
20160146724
2016-05-26

Integrated computational elements with frequency selective surface

#61
20160142654
2016-05-19

On-chip Integrated Hyperspectral or Multispectral Imaging System

#62
20160070040
2016-03-10

Display devices including oriented nucleic acid layers and methods of making and using the same

#63
20160041318
2016-02-11

Broadband Absorptive Neutral Density Optical Filter

#64
20160004923
2016-01-07

Optical detection apparatus and methods

#65
20150365617
2015-12-17

Motion detection image sensors and methods for controlling a motion detection image sensor

#66
20150229851
2015-08-13

Hyperspectral single pixel imager with fabry perot filter

#67
20150181098
2015-06-25

Optical filter opacity control for reducing temporal aliasing in motion picture capture

#68
20150138547
2015-05-21

Apparatus for selectively transmitting the spectrum of electromagnetic radiation within a predefined wavelength range

#69
20150036217
2015-02-05

Optical filter configured to transmit light of a predetermined wavelength

#70
20140374574
2014-12-25

Forming of a nanostructured spectral filter

#71
20140253409
2014-09-11

Composites for antennas and other applications

#72
20140175282
2014-06-26

Optical frequency filter and a detector including such a filter

#73
20140160455
2014-06-12

Pellicle for reticle and multilayer mirror

#74
20140146511
2014-05-29

Optronic window transparent to IR and reflecting RF

#75
20140085725
2014-03-27

Two-dimensionally periodic, color-filtering grating

#76
20130228687
2013-09-05

Spectral band-pass filter having high selectivity and controlled polarization

#77
20130176623
2013-07-11

Portable display

#78
20130170020
2013-07-04

Apparatus and methods to provide a surface having a tunable emissivity

#79
20130120843
2013-05-16

Optical bandpass filter system, in particular for multichannel spectral-selective measurements

#80
20130107356
2013-05-02

Terahertz band filter

#81
20130088699
2013-04-11

Lithographic apparatus and method

#82
20130032702
2013-02-07

Mono- or multifrequency optical filter, and detector comprising such a filter

#83
20130027778
2013-01-31

Broadband Absorptive Neutral Density Optical Filter

#84
20120228563
2012-09-13

Composites for antennas and other applications

#85
20120154779
2012-06-21

SPECTRAL PURITY FILTER, LITHOGRAPHIC APPARATUS, AND METHOD FOR MANUFACTURING A SPECTRAL PURITY FILTER

#86
20120147373
2012-06-14

Optical unit

#87
20120129269
2012-05-24

Nano-optic filter array based sensor

#88
20120107958
2012-05-03

Microbead optical sensor with layered plasmon structure for enhanced detection of chemical groups by SERS

#89
20120075688
2012-03-29

Optical filter

#90
20120062845
2012-03-15

Optical filter opacity control for reducing temporal aliasing in motion picture capture

#91
20120038995
2012-02-16

Optical filter

#92
20110128405
2011-06-02

Optical element, image sensor including the optical element, and image pickup apparatus including the image sensor

#93
20110102715
2011-05-05

Liquid crystal display device and method of fabricating the same

#94
20100328639
2010-12-30

SPECTRAL PURITY FILTER, LITHOGRAPHIC APPARATUS, AND METHOD FOR MANUFACTURING A SPECTRAL PURITY FILTER

#95
20100258752
2010-10-14

OPTICAL FILTER, OPTICAL FILTER FOR DISPLAY, AND DISPLAY AND PLASMA DISPLAY PANEL PROVIDED WITH THE OPTICAL FILTER

#96
20100248379
2010-09-30

Microbead optical sensor with layered plasmon structure for enhanced detection of chemical groups by SERS

#97
20100220377
2010-09-02

Optical filter

#98
20100195197
2010-08-05

HEAT-RAY REFLECTIVE FILM, HEAT-RAY REFLECTIVE STRUCTURE, AND PRODUCTION METHOD THEREOF

#99
20100176280
2010-07-15

Optical element and solid-state imaging device for selective electromagnetic component extraction

#100
20100172028
2010-07-08

OPTICAL FILTER FOR DISPLAY, AND DISPLAY AND PLASMA DISPLAY PANEL PROVIDED WITH THE OPTICAL FILTER

#101
20100102410
2010-04-29

LIGHT SENSOR

#102
20100073764
2010-03-25

Optical filter for display, and display and plasma display panel provided with the optical filter

#103
20100044585
2010-02-25

BIOSENSOR USING WIRE-GRIDS FOR INCREASING CAVITY ENERGY

#104
20090310133
2009-12-17

METHOD FOR DESIGNING LIGHT TRANSMISSION DEVICE, OPTICAL ELEMENT AND SENSOR

#105
20090296246
2009-12-03

Optical filter

#106
20090133923
2009-05-28

PROCESS FOR PREPARING LIGHT TRANSMISSIVE ELECTROMAGNETIC WAVE SHIELDING MATERIAL, LIGHT TRANSMISSIVE ELECTROMAGNETIC WAVE SHIELDING MATERIAL AND DISPLAY FILTER

#107
20090128895
2009-05-21

FILTER FOR DISPLAY DEVICE

#108
20090121014
2009-05-14

Elliptical polarizers, tags and identification systems using frequency selective surfaces

#109
20090117342
2009-05-07

Method for preparing conductive pattern and conductive pattern prepared by the method

#110
20090084994
2009-04-02

SYSTEM AND METHOD FOR FILTERING ELECTROMAGNETIC TRANSMISSIONS

#111
20080252979
2008-10-16

Terahertz-band optical filter, designing method thereof, and manufacturing method thereof

#112
20080198376
2008-08-21

OPTICAL SENSOR WITH LAYERED PLASMON STRUCTURE FOR ENHANCED DETECTION OF CHEMICAL GROUPS BY SERS

#113
20080094695
2008-04-24

SYSTEM AND METHOD FOR FILTERING ELECTROMAGNETIC TRANSMISSIONS

#114
20070190296
2007-08-16

Electromagnetic-wave shielding and light transmitting plate, manufacturing method thereof, and display panel

#115
20070165295
2007-07-19

Terahertz or infrared filter using shape resonance

#116
20070121197
2007-05-31

Optical filter of plasma display panel and fabrication method thereof

#117
20070080643
2007-04-12

DISPLAY FILTER AND PLASMA DISPLAY APPARATUS

#118
20070024523
2007-02-01

Electromagnetic interference protection for radomes

#119
20070003845
2007-01-04

Color filter substrate and fabricating method thereof

#120
20060244678
2006-11-02

FILTER FOR DISPLAY APPARATUS AND PLASMA DISPLAY APPARATUS COMPRISING FILTER

#121
20060152127
2006-07-13

Display filter

#122
20060132014
2006-06-22

Energy converter and method of making the same

#123
20060109194
2006-05-25

Electromagnetic interference protection for radomes

#124
20060034729
2006-02-16

Optical sensor with layered plasmon structure for enhanced detection of chemical groups by SERS

#125
20050134959
2005-06-23

System and method for filtering electromagnetic transmissions

#126
20050083307
2005-04-21

Patterned conductor touch screen having improved optics

#127
20050074565
2005-04-07

Conductive color filters

#128
15131249
2017-05-09

Voltage-tunable optical filters for instrumentation applications

#129
14449861
2017-05-16

Nanoplasmonic optical filter and display employing same