F-Term-List

2H193 LIQUID CRYSTAL 6 (DRIVE)
G02F1/133 ,505-1/133,535;1/133,545-1/133,580
G02F1/133,505-535;545-580 ZA ZA00
STRUCTURE OF DISPLAY AREA
ZA01 ZA02 ZA03 ZA04 ZA05 ZA06 ZA07 ZA08 ZA09
. Active matrix structures . . Three-terminal elements . . . Single crystal metal oxide semiconductor field effect transistors (MOSFET) or silicon on sapphire (SOS) . . . Thin-film transistors (TFT) . . . Auxiliary capacitances (Cs) . . . . Cs on-gate systems . . . . Independent Cs systems . . . Wiring structures of three-terminal elements . . . Common electrodes being divided
ZA12 ZA13 ZA14 ZA15 ZA19 ZA20
. . Two-terminal elements . . . Metal-insulator-metal (MIM) or thin-film-diode (TFD) . . . Diode rings (DR) or back-to-back diodes (BTBD) . . . Wiring structures of two-terminal elements . . A plurality of active elements in each picture element other than redundancy . . . different in polarity
ZA21 ZA22 ZA27
. Simple matrix structures . . Wiring structures of simple matrices . Icons segments or bar-graphs
ZA31 ZA32 ZA33 ZA34 ZA36 ZA37 ZA38 ZA39
. Special display structures . . Divided matrix structures . . . divided vertically . . . divided horizontally . . Stacked liquid crystal panels . . . Two layers . . . Three layers . . . Four or more layers
ZA42 ZA44 ZA46 ZA48
. . A plurality of liquid crystal display panels on the same plane . . Curved display . . Transreflective types . . Double sided display
ZB ZB00
DRIVE METHOD 1 (DRIVE WAVEFORM OF LIQUID CRYSTAL)
ZB01 ZB02 ZB03 ZB05 ZB06 ZB07 ZB08 ZB09
. Drive waveforms of three-terminal elements . . Application waveforms of scanning lines . . Application waveforms of data signal lines . . Application waveforms of common electrodes Vcom . . . Constant in common potential . . . Changes in common potential . . . . 1H common reversal . . . . One frame-common reversal
ZB12 ZB13 ZB14 ZB16 ZB18
. . Application waveforms of auxiliary capacitance lines (Cs) . . . Constant in potential of Cs . . . Changes in potential of Cs . . Drive waveforms of liquid crystal layers . . Punch-through voltage compensation of TFT
ZB21 ZB22 ZB23 ZB24 ZB30
. Two-terminal element type drive waveforms . . Application waveforms of scanning lines . . Application waveforms of data signal lines . . Drive waveforms of liquid crystal layers . Other active type drive waveforms
ZB31 ZB32 ZB33 ZB34
. Simple matrix type drive waveforms . . Application waveforms of scanning electrodes . . Application waveforms of signal electrodes . . Drive waveforms of liquid crystal layers
ZB41 ZB42 ZB43 ZB44 ZB46 ZB50
. Driving principle of simple matrix . . Multiplex drive . . . Voltage averaging methods . . . . Optimum bias methods . . MLA i.e. orthogonal functions . . Other driving principles
ZB51 ZB53 ZB58
. Static drive . Two-frequency drive . Thermal writing process
ZC ZC00
DRIVE METHOD 2 (POLARITY REVERSAL OR SCANNING METHOD OF LIQUID CRYSTAL)
ZC01 ZC02 ZC03 ZC04 ZC05 ZC06 ZC07 ZC08
. Polarity reversal . . Line reversal drive . . . H line reversal . . . . 1H line reversal . . . . nH lines reversal (*) . . . V line reversal . . . . 1V line reversal . . . . nV lines reversal (*)
ZC12 ZC13 ZC14 ZC15 ZC16 ZC17 ZC19 ZC20
. . Dot reversal drive . . . 1X1 dot reversal . . . mXn dots reversal (*) . . Frame reversal drive . . . One frame reversal . . . n flames reversal (*) . . Random reversal drive . . Other methods of polarity reversal
ZC21 ZC22 ZC23 ZC24 ZC25 ZC26 ZC27 ZC28 ZC30
. Scanning methods . . Point sequential scan . . Block sequential scan . . Line sequential scan . . . Progressive . . . Interlaced . . . Partial rewriting . . . Random scanning . . Scanning in opposite directions
ZC32 ZC34 ZC35 ZC36 ZC39
. . Scanning of partial display . . Overlapping scanning . . Multi-scanning other than MLA . . Interval scanning . . A plurality of screen scanning in one frame
ZD ZD00
DRIVE METHOD 3 (COLOUR, GRADATION OR FUNCTION)
ZD01 ZD02
. Normally white systems . Normally black systems
ZD11 ZD12 ZD13 ZD14 ZD15 ZD16 ZD17
. Colour display . . Colour filter systems . . . Stripe shape . . . Matrix shape . . . One colour or two colours . . . Four or more colour . . . containing white colour or transparent areas or picture elements
ZD21 ZD22 ZD23 ZD24 ZD25 ZD26 ZD27 ZD29 ZD30
. Gradation display . . Principles of gradation display . . . Amplitude gradations . . . Area gradations . . . Frame gradations . . . Pulse width gradations . . . Combination of a plurality of gradation methods . . Weighting gradations . . . Factorials of two
ZD31 ZD32 ZD33 ZD34 ZD36 ZD37 ZD38 ZD39 ZD40
. Purposes or functions of the invention . . Uniformity of luminance . . Non-uniformity of luminance . . Uniformity of contrast . Switching display . . Conversion of resolutions . . Vertical or horizontal reversing of display or rotation of display . . Variable control of view angle ranges . . Variable control of view angle directions
ZE ZE00
DRIVE METHOD 4 (OTHERS)
ZE01 ZE02 ZE03 ZE04 ZE06 ZE08 ZE09 ZE10
. Overdrive drive . Black insertion . Control of frame frequencies . . Double speed drive . Precharge drive . Drive during blanking periods . . Horizontal blanking periods . . Vertical blanking periods
ZE11 ZE15 ZE16 ZE17 ZE18 ZE20
. Prevention drive of OCB reverse transition . Drive of liquid crystals with memory characteristics . . Drive of ferroelectric liquid crystals . . Drive of antiferroelectric liquid crystals . . Drive of bistable cholesterics . . Reset drive of liquid crystals with memory characteristics
ZE21 ZE23 ZE26
. Reset drive of liquid crystals without memory characteristics . Transreflective drive . Processing with mechanical opening and closing or angle changes
ZE31 ZE32 ZE33 ZE34 ZE35 ZE37 ZE38 ZE40
. Drive in irregular stages . . Drive during power-on . . . Drive of liquid crystal panels . . . . Transition of OCB . . . Drive of light sources . . Sleep modes . . Drive during power-off . Others (*)
ZF ZF00
CIRCUIT 1 (FOR DRIVE OF LIQUID CRYSTAL)
ZF01 ZF02 ZF03 ZF04 ZF05 ZF06 ZF07 ZF09
. Power supply circuits . . Voltage control . . . Generation of a plurality of voltage levels . . . . Divided resistances . . . . Gradation voltage generating circuits . . . DC converters . . . . Charge pump systems . . Battery systems
ZF11 ZF12 ZF13 ZF14 ZF15 ZF16 ZF17 ZF18 ZF19 ZF20
. Processing circuits of picture signals . . Converting or correcting picture signals . . . Gamma correction . . . Processing colour signals . . . . Colour balance adjustment . . Frame memory . . Look-up tables (LUT) . . Digital/analogue conversion . . Expansion or compression of picture data . . Serial/parallel conversion or phase expansion
ZF21 ZF22 ZF23 ZF24
. Scanning side drive circuits . . Connections with scanning lines . . Internal structures of scanning side drive circuits . . Scanning side drive circuits divided into counter arrangement
ZF31 ZF32 ZF33 ZF34 ZF35 ZF36 ZF37
. Data side drive circuits . . characterised by shift registers . . characterised by latches . . Digital to analogue conversion (DAC) . . Output buffers . . Connections between data signal lines . . Data side drive circuits divided into counter arrangement
ZF41 ZF42 ZF43 ZF44 ZF45 ZF46
. Input methods of drive signals into liquid crystal panels . . Tape Automated Bonding (TAB) . . COG (Chip On Glass) . . Integrated driving circuits e.g. polysilicon . . SOG (Systems On Glass) . . Combined signal input methods
ZF51 ZF52 ZF59 ZF60
. Layout of supply wiring of clocks or power sources . Layouts of supply wiring of picture signals . Drive circuits of TFT common electrodes . Driving circuits of TFT auxiliary capacitance lines
ZG ZG00
CIRCUIT 2 (LIGHTING UNIT)
ZG01 ZG02 ZG03 ZG04 ZG05
. Arrangement of light sources . . Backlights . . . Direct under type backlights . . . Side lighting type backlights . . Frontlights
ZG11 ZG12 ZG13 ZG14 ZG15 ZG16 ZG17
. Types of light sources . . Fluorescent lamps . . . Planar fluorescent lamps . . Light-emitting diodes (LED) . . Electroluminescence . . Lamps e.g. point-like . . Combination of multiple types of light sources
ZG21 ZG22 ZG23 ZG25 ZG26 ZG27 ZG28
. Colours of light sources . . Light sources with only one colour . . . Control of a plurality of light sources . . Light sources with a plurality of colours . . . Two colours . . . Three colours . . . Four or more colours
ZG32 ZG33 ZG34 ZG35
. . . Means for selection or colour development of a plurality of colours . . . . Colour wheel systems . . . . Time division systems of light source colours not covered by ZG33 . . . . Simultaneous lighting of a plurality of colours
ZG41 ZG43 ZG44 ZG45 ZG46 ZG48 ZG50
. Luminance control of lighting units . . Dividing systems of lighting areas . . . Sequential lighting of a plurality of blocks . . Blink backlight systems of simultaneous irradiation . . Scanning of illumination light e.g. polygon mirrors . . Variable luminance of light sources according to contents of pictures . . Pulse Width Modulation (PWM) or duty ratios
ZG51 ZG52 ZG53 ZG56 ZG57 ZG58 ZG60
. Reduction in uneven luminance . Reduction in uneven chromaticity . Colour balance adjustment of light sources . Power supply circuits of light sources e.g. inverters . Time lag between liquid crystal panels and light sources . Automatically lighting on or off light sources . Other lighting circuits
ZH ZH00
CIRCUIT 3 (DETECTION OR COMPENSATION CIRCUIT)
ZH01 ZH02 ZH03 ZH04 ZH05 ZH06 ZH07 ZH08 ZH09 ZH10
. Detection circuits . . Detection of light . . . Types of light detection . . . . Luminance . . . . Chrominance . . . Objects of light detection . . . . External light . . . . Illumination light . . . . Transmitted light of liquid crystal panels . . . . Luminance on screens
ZH11 ZH12 ZH13 ZH14 ZH15 ZH17 ZH18 ZH19 ZH20
. . . Positions of optical sensors . . . . closely contacted or built into liquid crystal panels . . . . . positioned in display areas . . . . . positioned in frame areas . . . . positioned outside of liquid crystal panels . . Detection of temperature . . . Temperature of liquid crystal panels . . . Temperature of polarising elements . . . Temperature of light sources
ZH21 ZH22 ZH23 ZH24 ZH25 ZH26 ZH27 ZH29 ZH30
. . Detection of voltage or current . . . Power source voltage . . . Picture signals . . . Voltage or current of scanning lines . . . Voltage or current of data signal lines . . . Voltage or current of TFT common . . . Voltage or current of light sources . . Time detection . . Other detection
ZH31 ZH32 ZH33 ZH34 ZH35 ZH37 ZH38 ZH39 ZH40
. Compensation circuits . . Causes requiring compensation . . . Variations in temperature . . . . Compensation at high temperature . . . . Compensation at low temperature . . . Variations in ambient light e.g. luminance . . . Variations in voltage or current . . . Directions of observers . . . caused by liquid crystal device components
ZH41 ZH42 ZH43 ZH44 ZH45 ZH46 ZH49 ZH50
. . . . View angle characteristics of liquid crystals . . . . Variations during manufacturing liquid crystal devices . . . . Characteristics of optical elements . . . . Electrical properties . . . . . Active elements . . . . . Wiring resistance . . . Changes with time . . . . Failures
ZH51 ZH52 ZH53 ZH54 ZH56 ZH57 ZH58
. . Means of compensation . . . Compensation by drive signals of liquid crystals . . . . Voltage values . . . . Frequency or pulse width . . . Compensation by light source control . . . . Luminance of light sources . . . . Colour balance of light sources
ZH61 ZH62 ZH63 ZH64 ZH65 ZH66 ZH68 ZH69 ZH70
. . . Compensation by heating . . . . heating of liquid crystals . . . . heating of light sources . . . . heating methods . . . . . Heaters . . . . . Peltier elements . . . Compensation by cooling . . . . Cooling of liquid crystal panels . . . . Cooling of light sources
ZH71 ZH72 ZH73 ZH74 ZH75 ZH79
. . . . Cooling methods . . . . . Peltier or cooling elements . . . . . Heat discharge plates or radiators . . . . . Cooling or forced cooling or fans . . . . . Liquid cooling or water cooling . . . Other compensating means
ZJ ZJ00
CIRCUIT 4 (OTHERS)
ZJ01 ZJ02 ZJ03 ZJ04
. Information input functions . . Touch-screen types . . Light pen types . . Image sensors built into liquid crystal panels
ZJ11 ZJ13 ZJ14 ZJ20
. Structures of countermeasures against noises e.g. electromagnetic shields . Protective circuits . . Emergency stop or protection in emergencies . Others (*)
ZK ZK00
INSPECTION, REDUNDANT CONFIGURATION OR REPAIR OF DEFECTS
ZK01 ZK02 ZK03 ZK05 ZK06 ZK08 ZK09
. Inspection . . Inspection of liquid crystal panels . . . Inspection circuits on TFT liquid crystal substrates or liquid crystal substrates . . Inspection of lighting units . . Inspection of drive circuits . . Inspection of liquid crystal panels before assembling . . Inspection of liquid crystal panels after assembling
ZK12 ZK13 ZK14 ZK16 ZK17 ZK18
. . Inspection procedures . . . Optical detection . . . Electric detection . . Detection signals . . . Display patterns of inspection . . . Halftone
ZK21 ZK22 ZK23 ZK24 ZK25 ZK27 ZK28 ZK29 ZK30
. Redundant configuration . . Redundant configuration in liquid crystal panels . . . A plurality of active elements i.e. redundancy in each picture element . . Redundant configurations of lighting units . . Redundant configurations of drive circuits . Repair of defects . . Repair of liquid crystal panels . . Repair of lighting units . . Repair of drive circuits
ZP ZP00
ASSOCIATION WITH OTHER COMPONENTS
ZP01 ZP02 ZP03 ZP04 ZP05
. Substrates . Insulating layers . Conductors or electrodes . Alignment films . Photoconducting layers
ZP11 ZP12 ZP13 ZP14 ZP15 ZP16 ZP17 ZP20
. Optical elements . . Wavelength selection elements other than colour filters . . Light shielding layers Black Matrices (BM) or light-absorbing layers . . Phase plates e.g. phase compensation plates . . Polarisers or polarisation layers . . Reflectors reflective layers or reflection electrodes . . Diffusing plates or diffusion layers . Others
ZQ ZQ00
PRINCIPLE OF OPERATION OF LIQUID CRYSTAL
ZQ01 ZQ02 ZQ04 ZQ05 ZQ06 ZQ07 ZQ08 ZQ09 ZQ10
. Electric current effect types . . Dynamic scattering (DSM) types . Electric field effect types . . Dielectric anisotropy types . . . Twisted nematic (TN) types . . . Dichroic pleochroic or guest host (GH) types . . . Electrically controlled birefringence (ECB) types . . . Super twisted nematic (STN) types . . . Phase change (PC) types
ZQ11 ZQ12 ZQ13 ZQ14 ZQ15 ZQ16 ZQ17 ZQ18 ZQ19 ZQ20
. . . Vertical alignment (VA) types . . . Homogeneous alignment types . . . Polymer dispersion types (PDLC) . . . Optically Compensated Bend (OCB) or bend alignment . . . Hybrid aligned nematic (HAN) types . . . Lateral field drive types . . . Selective reflection of cholesteric liquid crystals . . . . Polarisation selectivity . . . . Wavelength selectivity . . . Bistable nematic (BTN) types
ZQ21 ZQ22 ZQ23 ZQ24 ZQ25 ZQ26 ZQ28 ZQ30
. . Permanent dipole types . . . Ferroelectric liquid crystals (FLC) . . . . Forming helices parallel to substrate surface in initial alignment . . . . Surface stabilised ferroelectric liquid crystals (SSFLC) . . . . one side V-shaped or monostable . . . Antiferroelectric liquid crystals (AFLC) . Thermal effect types . Optical effect types
ZQ31 ZQ32 ZQ33
. Other principles of operation (*) . . Pressure effect types . . Magnetic field effect types
ZQ41 ZQ42 ZQ43 ZQ44 ZQ45 ZQ46 ZQ47 ZQ48
. Adding to principles of operations . . Means for dividing operation . . . with alignment films . . . by electrode structures . . . by projections or recesses . . Arrangement for dividing operations . . . in picture elements . . . for each picture element
ZR ZR00
SPECIAL USE
ZR01 ZR02 ZR03 ZR04 ZR06 ZR07 ZR09 ZR10
. Display elements . . Projectors (*) . . . Single plate type liquid crystal panels . . . Three-plate type liquid crystal panels . . for vehicles . . . for car navigation . . Dual view . . Three-dimensional displays
ZR12 ZR16 ZR17 ZR18 ZR20
. . Electronic papers or electronic books . Light control elements . . Optical disc heads . . Light modulating windows . Others (*)
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