| ReturnTo Theme-Group-Choice | Onelevelup |
| 2H091 | LIQUID CRYSTAL 4 (COMBINATION WITH OPTICAL MEMBERS) | |
| G02F1/1335 -1/13363 | ||
| G02F1/1335-1/13363 | FA | FA00 OPTICAL ELEMENT |
FA01 | FA02 | FA03 | FA04 | FA05 | FA07 | FA08 | FA09 | FA10 | |
| . Wavelength filters | . . Colour filters | . . . striped | . . . Matrices | . . Dichroic mirrors or dichroic prisms | . Polarising elements | . . Polarisers | . . . Colour polarisers | . . Polarising beam splitters | ||||
| FA11 | FA12 | FA14 | FA15 | FA16 | FA17 | FA19 | ||||||
| . . Phase plates | . . Optical rotation plates | . Reflection elements | . . Half mirrors | . . Scattering reflectors | . . Concave mirrors | . Diffraction gratings or holograms | ||||||
| FA21 | FA23 | FA24 | FA26 | FA27 | FA28 | FA29 | ||||||
| . Prisms | . Light guides | . . Optical fibres or optical fibre bundles | . Lenses | . . Fresnel lenses | . . Lenticular lenses | . . Lens arrays | ||||||
| FA31 | FA32 | FA34 | FA35 | FA37 | ||||||||
| . Scattering elements | . . Scattering sheets | . Light shielding or light absorbing members | . . Black matrices | . Antireflection coatings | ||||||||
| FA41 | FA42 | FA43 | FA44 | FA45 | FA46 | FA48 | FA50 | |||||
| . Light sources | . . Fluorescent lamps | . . Fluorescent substances, excluding fluorescent lamps | . . Electroluminescence (EL) | . . Light emitting diodes (LEDs) | . . Lasers | . Light-receiving elements | . Other optical elements (*) | |||||
| FB | FB00 MATERIAL OF OPTICAL ELEMENT |
FB01 | FB02 | FB03 | FB04 | FB06 | FB07 | FB08 | FB09 | |||
| . Base materials (*) | . . Organic materials (*) | . . . Thermosetting resins (*) | . . . Photosetting resins (*) | . . Inorganic materials (*) | . . . Glass | . . . Metals (*) | . . . Semiconductors (*) | |||||
| FB11 | FB12 | FB13 | ||||||||||
| . Additives (*) | . . Organic materials (*) | . . Inorganic materials (*) | ||||||||||
| FC | FC00 MANUFACTURING PROCESS OF OPTICAL ELEMENT |
FC01 | FC02 | FC03 | FC04 | FC05 | FC06 | FC07 | FC08 | FC09 | FC10 | |
| . Manufacturing | . . Deposition | . . . Ion plating | . . . Oblique angle deposition | . . Dyeing | . . Electrodeposition or plating | . . Drawing | . . . uniaxial | . . . biaxial | . . Burning or exposure | |||
| FC11 | FC12 | FC13 | FC14 | FC15 | FC16 | FC17 | FC18 | FC19 | ||||
| . . Precipitation | . . Printing | . . . Screen printing | . Processing | . . Abrading | . . Cutting | . . Moulding | . . Adhesion or embedding | . . Press working | ||||
| FC21 | FC22 | FC23 | FC24 | FC25 | FC26 | FC27 | FC28 | FC29 | FC30 | |||
| . Treatment | . . Heat treatment or cooling | . . Light or ultra-violet light irradiation | . . Cleaning | . . Surface treatments | . . . Etching | . . . Plasma treatment | . . . Oxidation treatment | . Manufacturing apparatuses | . Tests or inspection | |||
| FD | FD00 ARRANGEMENT, MOUNTING OR ADJUSTMENT OF OPTICAL ELEMENT |
FD01 | FD02 | FD03 | FD04 | FD05 | FD06 | FD07 | FD08 | FD09 | FD10 | |
| . Arrangement | . . Arrangement in plane | . . . Identical optical elements | . . . . Patterned or partial arrangement | . . . Different optical elements | . . Laminated arrangements | . . . Angles of arrangement | . . . . Upper and lower polarisers | . . . . Polarisers and alignment directions | . . . . Phase plates and other optical elements | |||
| FD11 | FD12 | FD13 | FD14 | FD15 | FD16 | FD17 | FD18 | |||||
| . Mounting | . . Positioning or position adjustment | . . Holding | . . Adhesion | . . . Sticking | . . . Crimping | . . . Heat-fusing | . . Pressing | |||||
| FD21 | FD22 | FD23 | FD24 | FD25 | FD26 | |||||||
| . Adjustment of quantities of light or colour | . . Light quantity adjustment of light sources | . . Adjustment of quantities of reflected light | . . Colour adjustment | . . . Movable polarisers | . . . Movable colour filters | |||||||
| GA | GA00 ASSOCIATION WITH OTHER COMPONENTS |
GA01 | GA02 | GA03 | GA04 | GA06 | GA07 | GA08 | GA09 | |||
| . Substrates | . Conductors or electrodes | . . Transparent electrodes | . . Conductive rubber | . Alignment members | . Insulating layers | . Spacers | . Injection ports or sealing members | |||||
| GA11 | GA12 | GA13 | GA14 | GA16 | GA17 | |||||||
| . Driving circuits or drivers | . . Power sources | . . Active elements or non-linear elements, e.g. thin film transistors (TFTs) or metal insulator metal (MIM) elements | . . Photoconductors | . Protective layers | . Adhesives | |||||||
| HA | HA00 PRINCIPLE OF OPERATION OF LIQUID CRYSTAL |
HA01 | HA02 | HA05 | HA06 | HA07 | HA08 | HA09 | HA10 | |||
| . Electric current effect types | . . Dynamic scattering (DS) types | . Field effect types | . . Dielectric anisotropy types | . . . Twisted nematic (TN) types | . . . Dichroic, pleochroic, or guest-host (GH) types | . . . Electrically controlled birefringence (ECB) types | . . . Super twisted birefringent types, e.g. super twisted birefringent effects (SBE) or super twisted nematic effects (STN) | |||||
| HA11 | HA12 | HA14 | HA16 | HA18 | HA19 | HA20 | ||||||
| . . . Phase change (PC) types | . . Ferroelectric types | . Thermal effect types | . Light effect types | . Other principles of operation (*) | . . Pressure effect types | . . Magnetic field effect types | ||||||
| JA | JA00 STRUCTURE OF LIQUID CRYSTAL LAYER |
JA01 | JA02 | JA03 | JA10 | |||||||
| . Polymer liquid crystals | . Dispersed type liquid crystals | . Cell thickness changing depending on location | . Other liquid crystal layer structure (*) | |||||||||
| KA | KA00 PARAMETER OR VALUE RELATING TO CELL CONDITION (*) |
KA01 | KA02 | KA03 | KA04 | KA05 | KA10 | |||||
| . Refractive indices (*) | . . Retardation (delta(n) * d) (*) | . Twist angle (*) | . Cell thickness (d), helical pitches (p), or ratios of thickness to pitch (d/p) (*) | . Pretilt angles (*) | . Other parameters or values relating to cell conditions (*) | |||||||
| LA | LA00 PURPOSE OR PROBLEM TO BE SOLVED |
LA01 | LA02 | LA03 | LA04 | LA05 | LA06 | LA07 | LA08 | LA09 | ||
| . Safety | . . Mechanical protection | . . Measures against harmful light or stray light | . . Measures against high temperatures or heat | . . Measures against low temperatures | . . Waterproofing or moisture-proofing | . . Dustproofing or antistatic effect | . . Electromagnetic shielding or magnetic shielding | . . Facilitation of maintenance or replacement of parts | ||||
| LA11 | LA12 | LA13 | LA14 | LA15 | LA16 | LA17 | LA18 | LA19 | LA20 | |||
| . Reducing thickness, size, or weight | . Enhancing productivity | . Combined uses of parts or functions | . Reversing negative and positive | . Colourisation | . Improving visibility (*) | . . Improving contrast | . . Uniformising brightness or illumination | . . Widening view angles | . . Achromatisation | |||
| LA21 | LA30 | |||||||||||
| . . Prevention of interference fringes or Newton's rings | . Other purposes or problems to be solved (*) | |||||||||||
| MA | MA00 SPECIAL USE |
MA01 | MA02 | MA03 | MA04 | MA05 | MA06 | MA07 | MA08 | MA10 | ||
| . Three-dimensional displays | . Head-mounted displays (HMD) | . Displays for vehicles | . Antiglare mirrors | . Liquid crystal lenses | . Printer heads | . Projectors | . Optical arithmetic units | . Other special uses (*) |