| ReturnTo Theme-Group-Choice | Onelevelup |
| 2H048 | Optical filters | |
| G02B5/20 -5/28 | ||
| G02B5/20 | AA | AA00 FILTERS |
AA01 | AA03 | AA04 | AA05 | AA06 | AA07 | AA09 | |||
| . Arrangement inside the device | . Materials | . . Acoustic-optical materials | . . Organic materials | . . . Liquid-crystal materials | . . Inorganic optical materials (i.e., including organic materials that are dispersed into organic materials) | . Manufacturing methods and devices | ||||||
| AA11 | AA12 | AA14 | AA15 | AA16 | AA18 | AA19 | ||||||
| . Functions | . . Band-pass filters | . . Edge filters | . . . Absorption on the shorter-wavelength side | . . . Absorption on the longer-wavelength side | . Uses | . . Illumination and light-irradiation devices | ||||||
| AA21 | AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | AA28 | AA29 | ||||
| . Structures | . . Filters with areas having different transmission rates | . . Filters with wave-conductive-path structures | . . Combination of multiple filters | . . Combination with other optical elements | . . Movement and switching of filters | . . Attachment and adhesion | . . Filters with improved longevity | . . Compensation and control of properties | ||||
| G02B5/20,101 | BA | BA00 PRINCIPLES, MANUFACTURING METHODS, AND DEVICES FOR STRIPE FILTERS |
BA01 | BA02 | BA03 | BA04 | ||||||
| . Filtering principles | . . Absorption | . . Interference | . . Reflection | |||||||||
| BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA19 | BA20 | ||||
| . Manufacturing methods and devices | . . Use of dyeing methods | . . . Layers to be dyed | . . . . Treatment for layers to be dyed | . . . . . Patterning treatments | . . . . . . Exposure | . . . . . . Etching and development | . . . . . Dyeing treatments | . . . . . Treatments for stabilization of colors | ||||
| BA24 | BA25 | BA27 | BA28 | BA29 | BA30 | |||||||
| . . . . Materials for layers to be dyed | . . . . . Photo-sensitive high-molecular compounds | . . . Pigments | . . . . Inorganic pigments | . . . . Organic pigments | . . . . . Metal salts and metal complex salts | |||||||
| BA33 | BA34 | BA35 | BA37 | BA39 | ||||||||
| . . . Treatments for prevention of the mixing of colors (i.e., color bleeding) | . . . . Treatments for coloring resistance | . . . . . Treatments using intermediate films | . . . Flattening treatments | . . . Treatments for protection of filter surfaces | ||||||||
| BA42 | BA43 | BA44 | BA45 | BA47 | BA48 | |||||||
| . . Processing and treatments for colored layers | . . . Processing and treatment methods | . . . . Bleaching treatments | . . . . Selective elimination of colored layers | . . . Materials | . . . . Photo-sensitive high-molecular compounds | |||||||
| BA52 | BA53 | BA54 | BA55 | BA56 | BA57 | BA58 | BA60 | |||||
| . . Vapor-deposition and sputtering | . . . Materials | . . . . Resists and masking materials | . . Use of printing methods | . . . Materials | . . . . Inks | . . . . Substrates | . . . . Pre-treatments for substrates | |||||
| BA62 | BA64 | BA66 | ||||||||||
| . . Use of electro-deposition methods | . . Use of other single methods | . . Use of multiple manufacturing methods | ||||||||||
| BB | BB00 STRUCTURES AND USES OF STRIPE FILTERS |
BB01 | BB02 | BB03 | BB04 | BB06 | BB07 | BB08 | BB10 | |||
| . Structures | . . Horizontal arrangement for filters with various spectral properties | . . Laminated arrangement for filters with various spectral properties | . . . Addition of filters for compensation of spectral properties | . . Types and shapes | . . . Outer shapes of each filters and elements | . . . Attachment to other members and connection with other members | . . Combination with other optical elements | |||||
| BB12 | BB13 | BB14 | BB15 | |||||||||
| . . Substrates | . . . Semiconductors | . . . Glass | . . . Organic materials | |||||||||
| BB22 | BB23 | BB24 | BB26 | BB28 | ||||||||
| . . Prevention of mixing of colors | . . . Films for prevention of mixing of colors | . . . . Stripe types | . . Reflection prevention | . . Flattening of the surfaces | ||||||||
| BB32 | BB33 | BB34 | BB35 | BB37 | ||||||||
| . . Filters and structures for an improved usable life | . . . Layers for absorption of ultraviolet rays | . . . . Materials | . . . . Arrangements | . . . Protective films | ||||||||
| BB41 | BB42 | BB43 | BB44 | BB46 | BB47 | |||||||
| . Uses | . . Liquid-crystal elements | . . . Provision of filters on the electrode | . . . Provision of electrodes on the filter | . . Image-pickup elements (i.e., charge-coupled devices [CCD] and bucket-brigade devices [BBD]) | . . . Provision of filters directly on the light-reception surface | |||||||
| G02B5/22 | CA | CA00 ABSORPTION FILTERS |
CA01 | CA03 | CA04 | CA05 | CA06 | CA07 | CA09 | |||
| . Arrangement inside the device | . Materials | . . Organic materials | . . Inorganic materials | . . . Glass materials | . . Gases | . Manufacturing methods and manufacturing devices | ||||||
| CA11 | CA12 | CA13 | CA14 | CA15 | CA17 | CA18 | CA19 | CA20 | ||||
| . Functions | . . Absorption of infrared rays | . . Absorption of ultraviolet rays | . . Absorption of visible light | . . . Use of spectra with multiple peaks on the visible areas | . Uses | . . Illumination and light-irradiation devices | . . Indication devices | . . Eyeglasses and lenses | ||||
| CA21 | CA22 | CA23 | CA24 | CA25 | CA26 | CA27 | CA29 | |||||
| . Structures | . . Filters with areas having different transmission rates | . . Combination of multiple filters | . . Combination with other optical elements | . . Attachment and adhesion | . . Filters and structures for an improved usable life | . . . Ultraviolet-ray absorption layers and agents | . . Substrates | |||||
| G02B5/23 | DA | DA00 PHOTO-CHROMIC FILTERS |
DA01 | DA03 | DA04 | DA05 | DA06 | DA09 | ||||
| . Arrangement inside the device | . Materials | . . Organic materials | . . Inorganic materials | . . . Glass materials | . Manufacturing methods and manufacturing devices | |||||||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | |||||||
| . Structures | . . Combination with other optical elements | . . Attachment and adhesion | . . Filters and structures for improved longevity (i.e., adjustment of modulated light) | . . . Humidity resistance | . . . Light resistance | |||||||
| DA21 | DA22 | DA23 | DA24 | |||||||||
| . Uses | . . Indication devices | . . Recording and storing | . . Eyeglasses and lenses | |||||||||
| G02B5/24 | EA | EA00 LIQUID FILTERS |
EA01 | EA03 | EA04 | EA05 | EA07 | |||||
| . Arrangement inside the device | . Materials | . . Liquid filter materials | . Manufacturing methods and devices | . Uses | ||||||||
| EA11 | EA12 | EA13 | EA14 | |||||||||
| . Structures | . . Combination with other optical elements | . . Structures for holding liquids and containers | . . . Movement of liquids | |||||||||
| G02B5/26 | FA | FA00 REFLECTION FILTERS |
FA01 | FA03 | FA04 | FA05 | FA07 | FA09 | ||||
| . Arrangement inside the device | . Materials | . . Organic materials | . . Inorganic materials | . Manufacturing methods and devices | . Uses | |||||||
| FA11 | FA12 | FA13 | FA15 | FA16 | FA18 | |||||||
| . Functions | . . Heat rays and reflection of infrared rays | . . . Functions for transmission of visible light | . . Reflection of visible light | . . . Transmission of heat rays and infrared rays | . . Reflection of ultraviolet rays | |||||||
| FA21 | FA22 | FA23 | FA24 | FA25 | ||||||||
| . Structures | . . Combination with other optical elements | . . Attachment and adhesion | . . Multi-layer-film structures | . . Structures for an improved usable life for filters | ||||||||
| G02B5/28 | GA | GA00 INTERFERENCE FILTERS |
GA01 | GA03 | GA04 | GA05 | GA07 | GA09 | ||||
| . Arrangement inside the device | . Materials | . . Non-metal multi-layer films | . . . Materials that contain organic-material layers (i.e., excluding substrate materials) | . . Multi-layer films of metal films and non-metal films (i.e., excluding substrate materials) | . . Substrates | |||||||
| GA11 | GA12 | GA13 | GA14 | GA15 | GA17 | GA18 | GA19 | |||||
| . Functions | . . Band pass filters | . . . Narrow-band filters (i.e., removal of monochromatic light) | . . . Wide-band filters | . . . Filters that contain spectra with multiple peaks | . . Edge filters | . . . Transmission on the longer-wavelength side | . . . Transmission on the shorter-wavelength side | |||||
| GA21 | GA22 | GA23 | GA24 | GA25 | GA26 | GA27 | GA28 | GA30 | ||||
| . Structures | . . Filters with various transmittances accommodating locations | . . Combination of multiple interference filters | . . Combination with other optical elements | . . Movement and switching of filters | . . Attachment and adhesion | . . Filters and structures for an improved usable life | . . . Over-coating layers | . . Outer shapes | ||||
| GA32 | GA33 | GA34 | GA35 | GA36 | ||||||||
| . . Structures for multi-layer films | . . . Multi-layer films with two types of refraction ratio | . . . . Multi-layer films with the same optical film thickness | . . . . Multi-layer films with two types of optical film thicknesses | . . . . Multi-layer films with three or more types of optical film thickness | ||||||||
| GA43 | GA44 | GA45 | GA46 | GA48 | ||||||||
| . . . Multi-layer films with three or more types of refraction ratio | . . . . Multi-layer films with the same optical film thickness | . . . . Multi-layer films with two types of optical film thicknesses | . . . . Multi-layer films with three or more optical film thicknesses | . . Structures with reflection surfaces for multi-layer films on both surfaces of the parallel transparent substrate | ||||||||
| GA51 | GA52 | GA53 | GA54 | GA55 | GA56 | GA57 | GA60 | |||||
| . Improvement of, compensation for, or control of filter properties | . . Improved steepness of spectrum properties | . . Increased amount of areas of decreased blocking | . . Decreased transmission loss | . . . Removal of ripples | . . . . Addition of alignment layers among alternating layers, the substrate, and media | . . . . Minor adjustment of the film thickness of alternating layers | . Manufacturing methods and manufacturing devices | |||||
| GA61 | GA62 | GA65 | GA66 | |||||||||
| . Uses | . . Optical communications | . Others | . . Treatment for incident light |