Cell containing liquid crystal of specific composition

In cholesteric phase

In nematic phase

In smectic phase

Polymer liquid crystal

Liquid crystal optical element

Antidazzle mirror formed from liquid crystal cell

Beam dividing switch formed from liquid crystal cell

Including passive liquid crystal switch portion

Liquid crystal diffraction element

For beam steering

Liquid crystal etalon

Liquid crystal lenses other than for eyewear

Liquid crystal sensors (e.g., voltmeters, pressure sensors, temperature sensors)

Passive liquid crystal polarizer

Liquid crystal system

Computational system employing liquid crystal element (neural network, correlation device, optical computer)

Heads-up display

Liquid crystal eyewear (glasses, goggles, etc.)

For protection

Liquid crystal for recording or imaging on photosensitive medium

Exposure device for lithography

Printer or print bar

Liquid crystal window

Liquid crystal writing tablet

Projector including liquid crystal cell (s)

Overhead projector

Plural light path projectors

Having light separated into s and p polarization

Wherein liquid crystal cells include microencapsulated or polymer dispersed liquid crystal

Video/motion picture projector

Stereoscopic

Variable or rotatable retarder used with other retarders to produce filtering effects (solc, lyot, partial)

Nominal manufacturing methods or post manufacturing processing of liquid crystal cell

Aligning liquid crystal with means other than alignment layer

Changing liquid crystal phase

Defect correction or compensation

Injecting liquid crystal

Sealing of liquid crystal

Particular excitation of liquid crystal

Electrical excitation of liquid crystal (i.e., particular voltage pulses, ac vs. dc, threshold voltages, etc.)

For driving grandjean to focal conic or dynamic scattering type liquid crystal

Including diverse driving frequencies

Matrix including additional element (s) which correct or compensate for electrical fault

Laser links

Polarity based driving

With antistatic elements

With application of holding or bias voltage (i.e., voltage which does not change the optical state of the liquid crystal)

With particular switching device

Transistor

Plural nonredundant transistors per pixel

Structure of transistor

Transferred transistor

With light block conductively connected to transistor

With particular gate electrode structure

With gate electrode between liquid crystal and semiconductor layer

Two terminal nonlinear switching device (e.g., n-i-n, s-i-s, ferroelectric, etc.)

Diode

Metal-insulator-metal (i.e., mim)

With particular insulating layer

Varistor

With supplemental capacitor

In active matrix with separate dedicated capacitor line

Electron beam excitation

Magnetic or pressure excitation

Optical excitation

With photoconductive layer (e.g., spatial light modulator(slms))

Of an alloy of s, se, or te

With particular dielectric mirror for spatial light modulator (i.e., slm)

With particular light blocking layer for separating read and write lights

With silicon photoconductive layer

With silicon photodiode, n-i-n photoconductor structure, or p-i-p photoconductor structure

Plasma excitation

Thermal excitation

By heating electrode

By light beam heating (e.g., ir, laser, etc.)

Particular structure

Detector of liquid crystal temperature

Having significant detail of cell structure only

Compensator or retarder (i.e., not using liquid crystal cell)

Multiple compensators

Including at least one with negative intrinsic birefringence

With particular non-zero angle between compensator optical axis and orientation direction

With refractive indices in the x, y, and z directions

Diffuser (on viewer side of liquid crystal)

Dual function layer or element

Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes)

Formed of semiconductor material

Having connection detail to external circuit

Featuring flexible circuit (i.e., tape automated bonding (tab), etc.)

With detail of terminals to external circuit

With driving circuit having input and output electrodes on liquid crystal substrate

Interdigited (comb-shaped) electrodes

Matrix electrodes

Multilayer electrodes

Nonrectangular (odd) shaped pixels

Nonrectilinear rows and columns

Resistance reducing electrodes

Split pixels

Segmented or fixed pattern

Filter

Color filter

With different liquid crystal thickness for each color of filter

With plural colors for each display element (i.e., each pixel or segment)

With unequal areas for different colors or with fractional shift between one line of colors and the next

Interference filter

Opaque mask or black mask

Conductive mask

Heating or cooling element other than for exciting

Liquid crystal seal

With particular injection port or injection plug

Microencapsulated or polymer dispersed liquid crystal

For variable polarizer

Formed by particular technique

Formed with particular alignment technique

Having uv polymerized element

Polymer network liquid crystal

With particular encapsulating medium

With nonpolymer encapsulating medium

With second material between liquid crystal and encapsulating medium

Microlenses

Nonchiral additive in the liquid crystal material

Fluorescent additive

Nonspacer particles significantly smaller than liquid crystal thickness (e.g., scattering centers, ferromagnetic particles, etc.)

Pleochroic dye

Particular nonoptical film or layer (e.g., adhesive layer, barrier layer)

Alignment layer

For parallel alignment

With chiral smectic liquid crystal (includes ferroelectric liquid crystal)

With particular polymer composition of the alignment layer (e.g., fluorine- containing aliphatic polyamide)

With particular pretilt angle from the alignment layer

With particular pretilt angle (i.e., with liquid crystal other than chiral smectic)

For perpendicular alignment

Silanes

Formed by particular technique (e.g., langmuir blodgett, stretching, etc.)

Having particular deposited structure (e.g., angled, plural layered) produced by vapor deposition

Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.)

Formed of a liquid crystal material

With different alignments on opposite substrates

With plural alignments on the same substrate

Antireflection layer

Insulating layer

Photoconductive element (i.e., not used for exciting)

Polarizer

Circular

Color

With particular non-zero and non-90 angle between opposite polarization axes

With particular non-zero angle between polarization axis and compensator optical axis

With particular non-zero angle between polarization axis and orientation direction

For ferroelectric liquid crystal

For supertwisted nematic liquid crystal

Producing a greyscale effect

Reflector

Cholesteric reflector

Dielectric mirror (i.e., in devices excited other than by photoconductive layer) or transflector

Spacer

Formed as walls (e.g., between pixels) or integral with substrate

Plural types in single liquid crystal cell

Substrate

Fiberoptic faceplate

With particular topology (i.e., other than for diffraction and spacers)

Holder, support, frame, or housing

Including electromagnetic shielding

Including resilient support member

Interconnection of plural cells in parallel (e.g., edge to edge)

Interconnection of plural cells in series

For compensation of birefringence effects

Of twisted (or chiral) nematic or supertwisted nematic liquid crystal

With particular cooperation between cells (e.g., alternating selection or simultaneous selection of cells)

Cell cooperation providing multicolor display

With color formed by different color polarizer or color filter associated with each cell

With color formed by different dye in each cell

With cells being substantially identical and driven simultaneously, providing improved contrast

With each cell displaying a different pattern

With projection of electrodes in one cell substantially nonoverlapping that of another cell (i.e., for improving resolution)

Lens or prism separate from projection system (i.e., it is not integral part of illumination system)

Particular illumination

Electroluminescent light source

Fluorescent light source

Formed of planar phosphor or fluorescent layer separate from illumination source

With integral optical element for guiding or distributing light from the light source

Diffuser between light source and liquid crystal

Edge lit type light guide behind liquid crystal

Louvres

Reflector having particular shape behind light source

Specifically for guiding light in a front-lit device

With plural diverse light sources (e.g., for day and night)

Utilizing a liquid crystal material (359/36)

With specified nonchemical characteristic of liquid crystal material

Utilizing change between diverse phases (e.g., cholesteric to nematic)

Utilizing change within liquid crystal phase (e.g., grandjean to focal conic, etc.)

Utilizing reversal in sign of dielectric anisotropy

Within cholesteric phase

Using reflection characteristic

Within nematic phase

Negative dielectric anisotropy only

Twisted (or chiral) nematic or supertwisted nematic

Having particular birefringence or retardation

Having particular parameter of twist

Within smectic phase

Within chiral smectic phase (includes ferroelectric)

Antiferroelectric

Greyscale resulting from liquid crystal property other than solely smectic a