ClassID:

173699

G02B5/24 - CPC Classification

Classification description:

Optical elements other than lenses; Filters; Absorbing filters Liquid filters

Recent Application in this class:
#1
20260003112
2026-01-01

LIGHT ABSORPTION ANISOTROPIC FILM, LAMINATE, COMPOSITE LENS, AND VIRTUAL REALITY DISPLAY APPARATUS

#2
20250355292
2025-11-20

SWITCHABLE LIGHT FILTER, LIGHTING DEVICE AND SCREEN

#3
20250113656
2025-04-03

EMULSION SPECTRAL FLUID FILTER CAPABLE OF CONTROLLING LIGHT WAVELENGTH ABSORPTION, AND MANUFACTURING METHOD THEREFOR

#4
20240099425
2024-03-28

Reconfigurable Apparel Manufacture and Business Processes

#5
20230266514
2023-08-24

CURVED LIGHT CONTROLLING STRUCTURES

#6
20230120853
2023-04-20

OPTICAL FILM, OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE

#7
20220283346
2022-09-08

Optical path control member and display device comprising same

#8
20220120948
2022-04-21

Colloidal crystal structure, and light-emitting device and lighting system using same

#9
20220003905
2022-01-06

Article including a wavelength selective absorbing material

#10
20210251338
2021-08-19

Reconfigurable Apparel Manufacture and Business Process

#11
20210091682
2021-03-25

Hybrid Electrostatic Actuator

#12
20210079210
2021-03-18

Composition, film, optical filter, laminate, solid-state imaging element, image display device, and infrared sensor

#13
20210047518
2021-02-18

Surface-treated infrared absorbing fine particles, surface-treated infrared absorbing fine powder, infrared absorbing fine particle dispersion liquid using the surface-treated infrared absorbing fine particles, infrared absorbing fine particle dispersion body and method for producing them

#14
20210011208
2021-01-14

OPTICAL ELEMENT

#15
20200333518
2020-10-22

Optical filter and imaging apparatus

#16
20200103570
2020-04-02

OPTICAL FILTER AND OPTICAL COMMUNICATION DEVICE

#17
20190369313
2019-12-05

HEAT-RAY SHIELDING PARTICLE DISPERSING LIQUID, HEAT-RAY SHIELDING PARTICLE DISPERSING BODY, HEAT-RAY SHIELDING LAMINATED TRANSPARENT SUBSTRATE AND HEAT-RAY SHIELDING TRANSPARENT SUBSTRATE

#18
20190148451
2019-05-16

Composition, formed body, laminate, far infrared ray transmitting filter, solid-state imaging element, infrared camera, and infrared sensor

#19
20190056545
2019-02-21

Method for preparing coating layer having highly aligned nanomaterial in lyotropic liquid crystal matrix

#20
20180226010
2018-08-09

Display device, display method and machine readable storage medium

#21
20180203224
2018-07-19

Filtering system for electromagnetic radiations

#22
20180107106
2018-04-19

Transparent screen for 3D display and 3D display system

#23
20170363788
2017-12-21

HEAT-RAY SHIELDING PARTICLE DISPERSING LIQUID, HEAT-RAY SHIELDING PARTICLE DISPERSING BODY, HEAT-RAY SHIELDING LAMINATED TRANSPARENT SUBSTRATE AND HEAT-RAY SHIELDING TRANSPARENT SUBSTRATE

#24
20170245594
2017-08-31

Reconfigurable apparel manufacture and business process

#25
20160312113
2016-10-27

Optical Wavelength Conversion Element Containing Ionic Liquid, And Article Equipped With Said Optical Wavelength Conversion Element

#26
20150309226
2015-10-29

Methods and devices for colloidal suspension filters

#27
20150194556
2015-07-09

Device for adaptable wavelength conversion and a solar cell

#28
20150015976
2015-01-15

COLOR FILTER FOR DISPLAY

#29
20140366439
2014-12-18

APPARATUSES, SYSTEMS AND METHODS FOR ENHANCING PLANT GROWTH

#30
20140226200
2014-08-14

Method for manufacturing electrowetting element and electrowetting display

#31
20140137965
2014-05-22

Reconfigurable apparel manufacture and business processes

#32
20130322604
2013-12-05

Adaptive x-ray filter for changing the local intensity of x-rays

#33
20130278991
2013-10-24

Modulating thickness of colored fluid in color display

#34
20130215514
2013-08-22

Anti-reflective coating film

#35
20120188295
2012-07-26

DISPLAY DEVICE, DISPLAY METHOD AND MACHINE READABLE STORAGE MEDIUM

#36
20110209756
2011-09-01

Device for adaptable wavelength conversion and a solar cell

#37
20110133056
2011-06-09

Apparatus, system, and method for emission filter having a solution with polar protic solvent

#38
20100157452
2010-06-24

Solid Surface that Changes Colors on Command

#39
20100079358
2010-04-01

Modulating thickness of colored fluid in color display

#40
20100061104
2010-03-11

Clarifying Filter

#41
20090277056
2009-11-12

Large Format Microfluidic Digital Display

#42
20090116100
2009-05-07

Dispersion liquid for near-infrared-absorbing adhesive-body, near-infrared-absorbing adhesive body, near-infrared-absorbing plasma-display-panel filter, and plasma display panel

#43
20080316752
2008-12-25

Clarifying filter

#44
20080170298
2008-07-17

Production of cavities filled with a fluid material in an optical microtechnological compound

#45
20050254114
2005-11-17

Control apparatus for optical density changing element

#46
20050194569
2005-09-08

Compound based on liquid crystals for making optoelectronic components and corresponding manufacturing process

#47
20050123019
2005-06-09

Volume absorbing laser beam dump

#48
20050100270
2005-05-12

Optical devices with fluidic systems