| ReturnTo Theme-Group-Choice | Onelevelup |
| 2H090 | Liquid Crystal 3 (Substrates, insulating layers, and alignment members) | |
| G02F1/1333 ,500-1/1333,505;1/1337-1/1337,530 | ||
| G02F1/1333,500-1/1333,505;1/1337-1/1337,530 | HA | HA00 STRUCTURES OF INSULATION LAYERS AND ALIGNMENT MATERIALS |
HA01 | HA02 | HA03 | HA04 | HA05 | HA06 | HA07 | HA08 | ||
| . Structures of insulation layers | . . Layer structures with electrodes | . . . on electrodes | . . . under electrodes | . . Patterns | . . . Via holes | . . Layers in special structures, e.g. curved surfaces | . . Definition of characteristics, e.g. thicknesses | |||||
| HA11 | HA13 | HA14 | HA15 | HA16 | ||||||||
| . Structures of alignment members | . . mixing spacers | . . Patterns | . . Layers of special structures, e.g. curved surfaces | . . Structures other than layers | ||||||||
| HB | HB00 MATERIALS FOR INSULATION LAYERS AND ALIGNMENT EMBERS |
HB01 | HB02 | HB03 | HB04 | HB05 | HB06 | HB07 | HB08 | HB09 | HB10 | |
| . Matrices | . . Inorganic materials | . . . Silicon oxides(*) | . . . Non-oxides(*) | . . . Magnetic materials (*) | . . . Other inorganic materials(*) | . . Organic materials(*) | . . . Imide compounds(*) | . . . . Diamines(*) | . . . . Tetracarboxylic acid(*) | |||
| HB11 | HB12 | HB13 | HB14 | HB15 | HB16 | HB17 | HB18 | HB19 | ||||
| . . . . Organic solvents(*) | . . . Silane compounds(*) | . . . Other organic materials | . . . . Organic materials including metal elements (*) | . . . . Organic materials containing fluorine elements (*) | . . . . Liquid crystal materials(*) | . Additives | . . Conductive materials(*) | . . High dielectric constant materials(*) | ||||
| HC | HC00 MANUFACTURING METHODS FOR INSULATION LAYERS AND ALIGNMENT MEMBERS |
HC01 | HC02 | HC03 | HC05 | HC06 | HC07 | HC08 | HC09 | HC10 | ||
| . Manufacturing methods for layers | . . Langmuir-Blodgett (LB) method | . . Plasma polymerisation | . . Coating | . . . Printing | . . . Dipping methods | . . . Heat polymerisation after coating | . . Oxidation | . patternising | ||||
| HC11 | HC12 | HC13 | HC14 | HC15 | HC16 | HC17 | HC18 | HC19 | HC20 | |||
| . . Masks | . . Etching | . . Beam radiation | . After-treatments | . . High-temperature burning | . . Surface reformation | . Orders with other processes | . Devices | . Other manufacturing methods | . Tests or inspections | |||
| HD | HD00 FUNCTIONS OF INSULATION LAYERS AND ALIGNMENT MEMBERS |
HD01 | HD02 | HD03 | HD04 | HD05 | HD06 | HD07 | HD08 | |||
| . Functions of insulation layers | . . Prevention of alkali leakage from the substrates | . . Planarising | . . Prevention of electrode visibility | . . Electrode protection | . . combined wit optical elements | . . Impedance functions | . . Improvement of adhesion | |||||
| HD11 | HD12 | HD13 | HD14 | HD15 | HD17 | HD18 | ||||||
| . Functions of alignment members | . . Improvement of conductivity | . . Improvement of dielectric constants | . . Prevention of alignment defects | . . Improvement of heat resistance or weatherability | . . combined with insulation layer functions | . . Increasing tilt angles of ferroelectric liquid crystals | ||||||
| JA | JA00 STRUCTURES OF SUBSTRATES |
JA01 | JA02 | JA03 | JA04 | JA05 | JA06 | JA07 | JA08 | JA09 | ||
| . Cross-sectional shapes | . . Surface irregularities in the thickness directions | . . . arranged on cell sides | . . . arranged on the opposite sides of cells | . . . Structures relating to electrodes | . . Coatings | . . . Surface protection layers | . . . Compression stress layers | . . Numerical definition of substrate thicknesses | ||||
| JA11 | JA13 | JA15 | JA16 | JA17 | JA18 | JA19 | ||||||
| . End shapes | . Contour shapes | . Relationship between two substrates | . . Two substrates of different materials | . . folding one substrate | . . Two substrates different in positions or shapes | . combined with other members | ||||||
| JB | JB00 MATERIALS OF SUBSTRATES |
JB01 | JB02 | JB03 | JB04 | JB05 | JB06 | JB07 | JB08 | JB09 | JB10 | |
| . Materials | . . Glass(*) | . . Plastics(*) | . . Crystalline materials or others (*) | . Optical properties | . . Non-birefringence or isotropy | . . Birefringence | . . . Uniaxial | . . . Biaxial properties | . . . Correlation with polarisers | |||
| JB11 | JB12 | JB13 | ||||||||||
| . . . Materials for lamination | . . Definition of refractive indexes | . . . Definition of retardation (difference n. d) | ||||||||||
| JC | JC00 MANUFACTURING METHOD FOR SUBSTRATES |
JC01 | JC02 | JC03 | JC04 | JC06 | JC07 | JC08 | JC09 | |||
| . Shape processing | . . Positioning | . . Irregularities or gratings | . . Curved surface forming | . Reforming | . . Film forming | . . Heat treatments | . . Treating with electrical discharge | |||||
| JC11 | JC12 | JC13 | JC14 | JC15 | JC16 | JC17 | JC18 | JC19 | JC20 | |||
| . aminating substrates together | . . Position adjustments | . . Cut position adjustments | . . Other adjustments | . Substrate processing for filling liquid crystals | . . Substrate defoaming | . . stabilising spacings between substrates | . Tests and inspections | . Cleaning | . Reusing | |||
| JD | JD00 FUNCTIONS OF SUBSTRATES |
JD01 | JD02 | JD03 | JD04 | JD05 | JD06 | JD08 | JD09 | JD10 | ||
| . Optical functions | . . Infrared ray blocking | . . Ultraviolet ray blocking or absorption | . . Adjustment for wavelength characteristics | . . Adjustments of polarisation properties | . . Anti-reflection | . Chemical functions | . . Dealkalisation | . . Prevention of alkaline leakage | ||||
| JD11 | JD12 | JD13 | JD14 | JD15 | JD17 | JD18 | JD19 | |||||
| . . gas permeability resistance | . . moisture permeation resistance | . Mechanical functions | . . Flattening | . . Dimension stabilisation | . Thermal characteristics | . . Adjustments for thermal expansion coefficients | . . Prevention of temperature rise | |||||
| KA | KA00 PRINCIPLES OF OPERATION OF LIQUID CRYSTALS |
KA01 | KA02 | KA03 | KA04 | KA05 | KA06 | KA07 | KA08 | KA09 | ||
| . Electric-current effect types | . . Dynamic scattering types ( DS ) | . Field-effect types | . . Dielectric anisotropy types | . . . Twisted nematic ( TN ) types | . . . Dichroic, pleochroic, and guest-host (GH) types | . . . Electrically controlled birefringence types (ECB) | . . . Super twisted birefringence (SBE or STN) types | . . . Phase change types (PC) | ||||
| KA11 | KA12 | KA13 | KA14 | KA15 | KA16 | KA17 | KA18 | KA19 | KA20 | |||
| . . . Polymer dispersed liquid crystals (PDLC) | . . . Polymer liquid crystals | . . Permanent dipole types | . . . Ferroelectric types | . . . Antiferroelectric types | . Thermal effect types | . Optical effect types | . Other principles of operation | . . Pressure effect types | . . Magnetic-field effect types | |||
| LA | LA00 ASSOCIATION WITH OTHER COMPONENTS |
LA01 | LA02 | LA03 | LA04 | LA05 | LA06 | LA07 | LA08 | LA09 | LA10 | |
| . Conductors or electrodes | . Spacers | . Filling holes and sealing members | . Drive elements, drive circuits, and power supplies | . Optical elements | . . Phase plates | . . . Half-wave plates | . . . Quarter-wave plates | . . Polarisers | . . Diffusers | |||
| LA11 | LA12 | LA13 | LA14 | LA15 | LA16 | LA17 | LA18 | LA19 | LA20 | |||
| . . Prisms | . . Lenses | . . . Lenticular lenses | . . . Fresnel lenses | . . colour filters | . . Light sources | . . . Electroluminescence (EL) | . . . Fluorescent tubes | . . Diffraction gratings | . . Reflecting members | |||
| MA | MA00 ALIGNMENT CONDITIONS |
MA01 | MA02 | MA03 | MA04 | MA05 | MA06 | MA07 | MA08 | MA09 | MA10 | |
| . Vertical alignment | . Parallel alignment | . Hybrid alignment | . Spiral alignment | . . Bistable alignment | . Alignment directions | . . Relationship with electrode directions | . . Nonlinear | . . Random | . Pretilt | |||
| MA11 | MA12 | MA13 | MA14 | MA15 | MA16 | MA17 | ||||||
| . . Definition of tilt angles | . A plurality of different alignment processing in the same cell. | . . Same places | . . Different places | . . . in the same substrates | . . . Different substrates | . Other alignment conditions | ||||||
| MB | MB00 METHODS FOR ALIGNMENT PROCESSING |
MB01 | MB02 | MB03 | MB04 | MB05 | MB06 | MB07 | MB08 | MB09 | MB10 | |
| . Rubbing | . . Rubbing machines | . . Rubbing materials | . . Antistatic | . . Equalisation of rubbing strength | . Oblique vapour deposition | . Drawing layers | . Interference exposure or grating | . Magnetic field alignment | . Shifted alignment | |||
| MB11 | MB12 | MB13 | MB14 | |||||||||
| . Spacer alignment | . Beam irradiation | . Heating or cooling | . Other methods for alignment processing |