PATENTS   
Patents > Tools and Guidance >> Classification >>> Class Schedule
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a USPC Schedule.
[Search a list of Patent Appplications for class 349]  Class   349LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS
Click here for a printable version of this file
[List of Patents for class 349 subclass 1]  1           LIQUID CRYSTAL SYSTEM
[List of Patents for class 349 subclass 2]  2           Subclass 2 indent level is 1 Liquid crystal for recording or imaging on photosensitive medium
[List of Patents for class 349 subclass 3]  3           Subclass 3 indent level is 2 Printer or print bar
[List of Patents for class 349 subclass 4]  4           Subclass 4 indent level is 2 Exposure device for lithography
[List of Patents for class 349 subclass 5]  5           Subclass 5 indent level is 1 Projector including liquid crystal cell (s)
[List of Patents for class 349 subclass 6]  6           Subclass 6 indent level is 2 Overhead projector
[List of Patents for class 349 subclass 7]  7           Subclass 7 indent level is 2 Video/motion picture projector
[List of Patents for class 349 subclass 8]  8           Subclass 8 indent level is 2 Plural light path projectors
[List of Patents for class 349 subclass 9]  9           Subclass 9 indent level is 3 Having light separated into S and P polarization
[List of Patents for class 349 subclass 10]  10           Subclass 10 indent level is 3 Wherein liquid crystal cells include microencapsulated or polymer dispersed liquid crystal
[List of Patents for class 349 subclass 11]  11           Subclass 11 indent level is 1 Heads-up display
[List of Patents for class 349 subclass 12]  12           Subclass 12 indent level is 1 Liquid crystal writing tablet
[List of Patents for class 349 subclass 13]  13           Subclass 13 indent level is 1 Liquid crystal eyewear (glasses, goggles, etc.)
[List of Patents for class 349 subclass 14]  14           Subclass 14 indent level is 2 For protection
[List of Patents for class 349 subclass 15]  15           Subclass 15 indent level is 1 Stereoscopic
[List of Patents for class 349 subclass 16]  16           Subclass 16 indent level is 1 Liquid crystal window
[List of Patents for class 349 subclass 17]  17           Subclass 17 indent level is 1 Computational system employing liquid crystal element (neural network, correlation device, optical computer)
[List of Patents for class 349 subclass 18]  18           Subclass 18 indent level is 1 Variable or rotatable retarder used with other retarders to produce filtering effects (Solc, Lyot, Partial)
[List of Patents for class 349 subclass 19]  19           PARTICULAR EXCITATION OF LIQUID CRYSTAL
[List of Patents for class 349 subclass 20]  20           Subclass 20 indent level is 1 Thermal excitation
[List of Patents for class 349 subclass 21]  21           Subclass 21 indent level is 2 By heating electrode
[List of Patents for class 349 subclass 22]  22           Subclass 22 indent level is 2 By light beam heating (e.g., IR, laser, etc.)
[List of Patents for class 349 subclass 23]  23           Subclass 23 indent level is 1 Magnetic or pressure excitation
[List of Patents for class 349 subclass 24]  24           Subclass 24 indent level is 1 Optical excitation
[List of Patents for class 349 subclass 25]  25           Subclass 25 indent level is 2 With photoconductive layer (e.g., spatial light modulator(SLMs))
[List of Patents for class 349 subclass 26]  26           Subclass 26 indent level is 3 Of an alloy of S, Se, or Te
[List of Patents for class 349 subclass 27]  27           Subclass 27 indent level is 3 With silicon photoconductive layer
[List of Patents for class 349 subclass 28]  28           Subclass 28 indent level is 4 With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure
[List of Patents for class 349 subclass 29]  29           Subclass 29 indent level is 3 With particular light blocking layer for separating read and write lights
[List of Patents for class 349 subclass 30]  30           Subclass 30 indent level is 3 With particular dielectric mirror for spatial light modulator (i.e., SLM)
[List of Patents for class 349 subclass 31]  31           Subclass 31 indent level is 1 Electron beam excitation
[List of Patents for class 349 subclass 32]  32           Subclass 32 indent level is 1 Plasma excitation
[List of Patents for class 349 subclass 33]  33           Subclass 33 indent level is 1 Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.)
[List of Patents for class 349 subclass 34]  34           Subclass 34 indent level is 2 With application of holding or bias voltage (i.e., voltage which does not change the optical state of the liquid crystal)
[List of Patents for class 349 subclass 35]  35           Subclass 35 indent level is 2 For driving Grandjean to focal conic or dynamic scattering type liquid crystal
[List of Patents for class 349 subclass 36]  36           Subclass 36 indent level is 2 Including diverse driving frequencies
[List of Patents for class 349 subclass 37]  37           Subclass 37 indent level is 2 Polarity based driving
[List of Patents for class 349 subclass 38]  38           Subclass 38 indent level is 2 With supplemental capacitor
[List of Patents for class 349 subclass 39]  39           Subclass 39 indent level is 3 In active matrix with separate dedicated capacitor line
[List of Patents for class 349 subclass 40]  40           Subclass 40 indent level is 2 With antistatic elements
[List of Patents for class 349 subclass 41]  41           Subclass 41 indent level is 2 With particular switching device
[List of Patents for class 349 subclass 42]  42           Subclass 42 indent level is 3 Transistor
[List of Patents for class 349 subclass 43]  43           Subclass 43 indent level is 4 Structure of transistor
[List of Patents for class 349 subclass 44]  44           Subclass 44 indent level is 5 With light block conductively connected to transistor
[List of Patents for class 349 subclass 45]  45           Subclass 45 indent level is 5 Transferred transistor
[List of Patents for class 349 subclass 46]  46           Subclass 46 indent level is 5 With particular gate electrode structure
[List of Patents for class 349 subclass 47]  47           Subclass 47 indent level is 6 With gate electrode between liquid crystal and semiconductor layer
[List of Patents for class 349 subclass 48]  48           Subclass 48 indent level is 4 Plural nonredundant transistors per pixel
[List of Patents for class 349 subclass 49]  49           Subclass 49 indent level is 3 Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.)
[List of Patents for class 349 subclass 50]  50           Subclass 50 indent level is 4 Diode
[List of Patents for class 349 subclass 51]  51           Subclass 51 indent level is 4 Metal-insulator-metal (i.e., MIM)
[List of Patents for class 349 subclass 52]  52           Subclass 52 indent level is 5 With particular insulating layer
[List of Patents for class 349 subclass 53]  53           Subclass 53 indent level is 4 Varistor
[List of Patents for class 349 subclass 54]  54           Subclass 54 indent level is 2 Matrix including additional element (s) which correct or compensate for electrical fault
[List of Patents for class 349 subclass 55]  55           Subclass 55 indent level is 3 Laser links
[List of Patents for class 349 subclass 56]  56           PARTICULAR STRUCTURE
[List of Patents for class 349 subclass 57]  57           Subclass 57 indent level is 1 Lens or prism separate from projection system (i.e., it is not integral part of illumination system)
[List of Patents for class 349 subclass 58]  58           Subclass 58 indent level is 1 Holder, support, frame, or housing
[List of Patents for class 349 subclass 59]  59           Subclass 59 indent level is 2 Including electromagnetic shielding
[List of Patents for class 349 subclass 60]  60           Subclass 60 indent level is 2 Including resilient support member
[List of Patents for class 349 subclass 61]  61           Subclass 61 indent level is 1 Particular illumination
[List of Patents for class 349 subclass 62]  62           Subclass 62 indent level is 2 With integral optical element for guiding or distributing light from the light source
[List of Patents for class 349 subclass 63]  63           Subclass 63 indent level is 3 Specifically for guiding light in a front-lit device
[List of Patents for class 349 subclass 64]  64           Subclass 64 indent level is 3 Diffuser between light source and liquid crystal
[List of Patents for class 349 subclass 65]  65           Subclass 65 indent level is 3 Edge lit type light guide behind liquid crystal
[List of Patents for class 349 subclass 66]  66           Subclass 66 indent level is 3 Louvres
[List of Patents for class 349 subclass 67]  67           Subclass 67 indent level is 3 Reflector having particular shape behind light source
[List of Patents for class 349 subclass 68]  68           Subclass 68 indent level is 2 With plural diverse light sources (e.g., for day and night)
[List of Patents for class 349 subclass 69]  69           Subclass 69 indent level is 2 Electroluminescent light source
[List of Patents for class 349 subclass 70]  70           Subclass 70 indent level is 2 Fluorescent light source
[List of Patents for class 349 subclass 71]  71           Subclass 71 indent level is 3 Formed of planar phosphor or fluorescent layer separate from illumination source
[List of Patents for class 349 subclass 72]  72           Subclass 72 indent level is 1 Detector of liquid crystal temperature
[List of Patents for class 349 subclass 73]  73           Subclass 73 indent level is 1 Interconnection of plural cells in parallel (e.g., edge to edge)
[List of Patents for class 349 subclass 74]  74           Subclass 74 indent level is 1 Interconnection of plural cells in series
[List of Patents for class 349 subclass 75]  75           Subclass 75 indent level is 2 For compensation of birefringence effects
[List of Patents for class 349 subclass 76]  76           Subclass 76 indent level is 3 Of twisted (or chiral) nematic or supertwisted nematic liquid crystal
[List of Patents for class 349 subclass 77]  77           Subclass 77 indent level is 2 With particular cooperation between cells (e.g., alternating selection or simultaneous selection of cells)
[List of Patents for class 349 subclass 78]  78           Subclass 78 indent level is 3 Cell cooperation providing multicolor display
[List of Patents for class 349 subclass 79]  79           Subclass 79 indent level is 4 With color formed by different dye in each cell
[List of Patents for class 349 subclass 80]  80           Subclass 80 indent level is 4 With color formed by different color polarizer or color filter associated with each cell
[List of Patents for class 349 subclass 81]  81           Subclass 81 indent level is 3 With cells being substantially identical and driven simultaneously, providing improved contrast
[List of Patents for class 349 subclass 82]  82           Subclass 82 indent level is 3 With projection of electrodes in one cell substantially nonoverlapping that of another cell (i.e., for improving resolution)
[List of Patents for class 349 subclass 83]  83           Subclass 83 indent level is 3 With each cell displaying a different pattern
[List of Patents for class 349 subclass 84]  84           Subclass 84 indent level is 1 Having significant detail of cell structure only
[List of Patents for class 349 subclass 85]  85           Subclass 85 indent level is 2 Producing a greyscale effect
[List of Patents for class 349 subclass 86]  86           Subclass 86 indent level is 2 Microencapsulated or polymer dispersed liquid crystal
[List of Patents for class 349 subclass 87]  87           Subclass 87 indent level is 3 For variable polarizer
[List of Patents for class 349 subclass 88]  88           Subclass 88 indent level is 3 Polymer network liquid crystal
[List of Patents for class 349 subclass 89]  89           Subclass 89 indent level is 3 With particular encapsulating medium
[List of Patents for class 349 subclass 90]  90           Subclass 90 indent level is 4 With second material between liquid crystal and encapsulating medium
[List of Patents for class 349 subclass 91]  91           Subclass 91 indent level is 4 With nonpolymer encapsulating medium
[List of Patents for class 349 subclass 92]  92           Subclass 92 indent level is 3 Formed by particular technique
[List of Patents for class 349 subclass 93]  93           Subclass 93 indent level is 4 Having UV polymerized element
[List of Patents for class 349 subclass 94]  94           Subclass 94 indent level is 4 Formed with particular alignment technique
[List of Patents for class 349 subclass 95]  95           Subclass 95 indent level is 2 Microlenses
[List of Patents for class 349 subclass 96]  96           Subclass 96 indent level is 2 Polarizer
[List of Patents for class 349 subclass 97]  97           Subclass 97 indent level is 3 Color
[List of Patents for class 349 subclass 98]  98           Subclass 98 indent level is 3 Circular
[List of Patents for class 349 subclass 99]  99           Subclass 99 indent level is 3 With particular non-zero angle between polarization axis and orientation direction
[List of Patents for class 349 subclass 100]  100           Subclass 100 indent level is 4 For ferroelectric liquid crystal
[List of Patents for class 349 subclass 101]  101           Subclass 101 indent level is 4 For supertwisted nematic liquid crystal
[List of Patents for class 349 subclass 102]  102           Subclass 102 indent level is 3 With particular non-zero angle between polarization axis and compensator optical axis
[List of Patents for class 349 subclass 103]  103           Subclass 103 indent level is 3 With particular non-zero and non-90 angle between opposite polarization axes
[List of Patents for class 349 subclass 104]  104           Subclass 104 indent level is 2 Filter
[List of Patents for class 349 subclass 105]  105           Subclass 105 indent level is 3 Interference filter
[List of Patents for class 349 subclass 106]  106           Subclass 106 indent level is 3 Color filter
[List of Patents for class 349 subclass 107]  107           Subclass 107 indent level is 4 With different liquid crystal thickness for each color of filter
[List of Patents for class 349 subclass 108]  108           Subclass 108 indent level is 4 With plural colors for each display element (i.e., each pixel or segment)
[List of Patents for class 349 subclass 109]  109           Subclass 109 indent level is 4 With unequal areas for different colors or with fractional shift between one line of colors and the next
[List of Patents for class 349 subclass 110]  110           Subclass 110 indent level is 3 Opaque mask or black mask
[List of Patents for class 349 subclass 111]  111           Subclass 111 indent level is 4 Conductive mask
[List of Patents for class 349 subclass 112]  112           Subclass 112 indent level is 2 Diffuser (on viewer side of liquid crystal)
[List of Patents for class 349 subclass 113]  113           Subclass 113 indent level is 2 Reflector
[List of Patents for class 349 subclass 114]  114           Subclass 114 indent level is 3 Dielectric mirror (i.e., in devices excited other than by photoconductive layer) or transflector
[List of Patents for class 349 subclass 115]  115           Subclass 115 indent level is 3 Cholesteric reflector
[List of Patents for class 349 subclass 116]  116           Subclass 116 indent level is 2 Photoconductive element (i.e., not used for exciting)
[List of Patents for class 349 subclass 117]  117           Subclass 117 indent level is 2 Compensator or retarder (i.e., not using liquid crystal cell)
[List of Patents for class 349 subclass 118]  118           Subclass 118 indent level is 3 With refractive indices in the x, y, and z directions
[List of Patents for class 349 subclass 119]  119           Subclass 119 indent level is 3 Multiple compensators
[List of Patents for class 349 subclass 120]  120           Subclass 120 indent level is 4 Including at least one with negative intrinsic birefringence
[List of Patents for class 349 subclass 121]  121           Subclass 121 indent level is 3 With particular non-zero angle between compensator optical axis and orientation direction
[List of Patents for class 349 subclass 122]  122           Subclass 122 indent level is 2 Particular nonoptical film or layer (e.g., adhesive layer, barrier layer)
[List of Patents for class 349 subclass 123]  123           Subclass 123 indent level is 3 Alignment layer
[List of Patents for class 349 subclass 124]  124           Subclass 124 indent level is 4 Formed by particular technique (e.g., Langmuir Blodgett, stretching, etc.)
[List of Patents for class 349 subclass 125]  125           Subclass 125 indent level is 5 Having particular deposited structure (e.g., angled, plural layered) produced by vapor deposition
[List of Patents for class 349 subclass 126]  126           Subclass 126 indent level is 5 Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.)
[List of Patents for class 349 subclass 127]  127           Subclass 127 indent level is 4 Formed of a liquid crystal material
[List of Patents for class 349 subclass 128]  128           Subclass 128 indent level is 4 With different alignments on opposite substrates
[List of Patents for class 349 subclass 129]  129           Subclass 129 indent level is 4 With plural alignments on the same substrate
[List of Patents for class 349 subclass 130]  130           Subclass 130 indent level is 4 For perpendicular alignment
[List of Patents for class 349 subclass 131]  131           Subclass 131 indent level is 5 Silanes
[List of Patents for class 349 subclass 132]  132           Subclass 132 indent level is 4 For parallel alignment
[List of Patents for class 349 subclass 133]  133           Subclass 133 indent level is 5 With chiral smectic liquid crystal (includes ferroelectric liquid crystal)
[List of Patents for class 349 subclass 134]  134           Subclass 134 indent level is 6 With particular pretilt angle from the alignment layer
[List of Patents for class 349 subclass 135]  135           Subclass 135 indent level is 6 With particular polymer composition of the alignment layer (e.g., fluorine- containing aliphatic polyamide)
[List of Patents for class 349 subclass 136]  136           Subclass 136 indent level is 5 With particular pretilt angle (i.e., with liquid crystal other than chiral smectic)
[List of Patents for class 349 subclass 137]  137           Subclass 137 indent level is 3 Antireflection layer
[List of Patents for class 349 subclass 138]  138           Subclass 138 indent level is 3 Insulating layer
[List of Patents for class 349 subclass 139]  139           Subclass 139 indent level is 2 Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes)
[List of Patents for class 349 subclass 140]  140           Subclass 140 indent level is 3 Formed of semiconductor material
[List of Patents for class 349 subclass 141]  141           Subclass 141 indent level is 3 Interdigited (comb-shaped) electrodes
[List of Patents for class 349 subclass 142]  142           Subclass 142 indent level is 3 Segmented or fixed pattern
[List of Patents for class 349 subclass 143]  143           Subclass 143 indent level is 3 Matrix electrodes
[List of Patents for class 349 subclass 144]  144           Subclass 144 indent level is 4 Split pixels
[List of Patents for class 349 subclass 145]  145           Subclass 145 indent level is 4 Nonrectilinear rows and columns
[List of Patents for class 349 subclass 146]  146           Subclass 146 indent level is 4 Nonrectangular (odd) shaped pixels
[List of Patents for class 349 subclass 147]  147           Subclass 147 indent level is 4 Multilayer electrodes
[List of Patents for class 349 subclass 148]  148           Subclass 148 indent level is 4 Resistance reducing electrodes
[List of Patents for class 349 subclass 149]  149           Subclass 149 indent level is 3 Having connection detail to external circuit
[List of Patents for class 349 subclass 150]  150           Subclass 150 indent level is 4 Featuring flexible circuit (i.e., tape automated bonding (TAB), etc.)
[List of Patents for class 349 subclass 151]  151           Subclass 151 indent level is 4 With driving circuit having input and output electrodes on liquid crystal substrate
[List of Patents for class 349 subclass 152]  152           Subclass 152 indent level is 4 With detail of terminals to external circuit
[List of Patents for class 349 subclass 153]  153           Subclass 153 indent level is 2 Liquid crystal seal
[List of Patents for class 349 subclass 154]  154           Subclass 154 indent level is 3 With particular injection port or injection plug
[List of Patents for class 349 subclass 155]  155           Subclass 155 indent level is 2 Spacer
[List of Patents for class 349 subclass 156]  156           Subclass 156 indent level is 3 Formed as walls (e.g., between pixels) or integral with substrate
[List of Patents for class 349 subclass 157]  157           Subclass 157 indent level is 3 Plural types in single liquid crystal cell
[List of Patents for class 349 subclass 158]  158           Subclass 158 indent level is 2 Substrate
[List of Patents for class 349 subclass 159]  159           Subclass 159 indent level is 3 Fiberoptic faceplate
[List of Patents for class 349 subclass 160]  160           Subclass 160 indent level is 3 With particular topology (i.e., other than for diffraction and spacers)
[List of Patents for class 349 subclass 161]  161           Subclass 161 indent level is 2 Heating or cooling element other than for exciting
[List of Patents for class 349 subclass 162]  162           Subclass 162 indent level is 2 Dual function layer or element
[List of Patents for class 349 subclass 163]  163           Subclass 163 indent level is 2 Nonchiral additive in the liquid crystal material
[List of Patents for class 349 subclass 164]  164           Subclass 164 indent level is 3 Fluorescent additive
[List of Patents for class 349 subclass 165]  165           Subclass 165 indent level is 3 Pleochroic dye
[List of Patents for class 349 subclass 166]  166           Subclass 166 indent level is 3 Nonspacer particles significantly smaller than liquid crystal thickness (e.g., scattering centers, ferromagnetic particles, etc.)
[List of Patents for class 349 subclass 167]  167           WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL
[List of Patents for class 349 subclass 168]  168           Subclass 168 indent level is 1 Utilizing change between diverse phases (e.g., cholesteric to nematic)
[List of Patents for class 349 subclass 169]  169           Subclass 169 indent level is 1 Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.)
[List of Patents for class 349 subclass 170]  170           Subclass 170 indent level is 1 Utilizing reversal in sign of dielectric anisotropy
[List of Patents for class 349 subclass 171]  171           Subclass 171 indent level is 1 Within smectic phase
[List of Patents for class 349 subclass 172]  172           Subclass 172 indent level is 2 Within chiral smectic phase (includes ferroelectric)
[List of Patents for class 349 subclass 173]  173           Subclass 173 indent level is 3 Greyscale resulting from liquid crystal property other than solely Smectic A
[List of Patents for class 349 subclass 174]  174           Subclass 174 indent level is 3 Antiferroelectric
[List of Patents for class 349 subclass 175]  175           Subclass 175 indent level is 1 Within cholesteric phase
[List of Patents for class 349 subclass 176]  176           Subclass 176 indent level is 2 Using reflection characteristic
[List of Patents for class 349 subclass 177]  177           Subclass 177 indent level is 1 Within nematic phase
[List of Patents for class 349 subclass 178]  178           Subclass 178 indent level is 2 Negative dielectric anisotropy only
[List of Patents for class 349 subclass 179]  179           Subclass 179 indent level is 2 Twisted (or chiral) nematic or supertwisted nematic
[List of Patents for class 349 subclass 180]  180           Subclass 180 indent level is 3 Having particular parameter of twist
[List of Patents for class 349 subclass 181]  181           Subclass 181 indent level is 3 Having particular birefringence or retardation
[List of Patents for class 349 subclass 182]  182           CELL CONTAINING LIQUID CRYSTAL OF SPECIFIC COMPOSITION
[List of Patents for class 349 subclass 183]  183           Subclass 183 indent level is 1 Polymer liquid crystal
[List of Patents for class 349 subclass 184]  184           Subclass 184 indent level is 1 In smectic phase
[List of Patents for class 349 subclass 185]  185           Subclass 185 indent level is 1 In cholesteric phase
[List of Patents for class 349 subclass 186]  186           Subclass 186 indent level is 1 In nematic phase
[List of Patents for class 349 subclass 187]  187           NOMINAL MANUFACTURING METHODS OR POST MANUFACTURING PROCESSING OF LIQUID CRYSTAL CELL
[List of Patents for class 349 subclass 188]  188           Subclass 188 indent level is 1 Changing liquid crystal phase
[List of Patents for class 349 subclass 189]  189           Subclass 189 indent level is 1 Injecting liquid crystal
[List of Patents for class 349 subclass 190]  190           Subclass 190 indent level is 1 Sealing of liquid crystal
[List of Patents for class 349 subclass 191]  191           Subclass 191 indent level is 1 Aligning liquid crystal with means other than alignment layer
[List of Patents for class 349 subclass 192]  192           Subclass 192 indent level is 1 Defect correction or compensation
[List of Patents for class 349 subclass 193]  193           LIQUID CRYSTAL OPTICAL ELEMENT
[List of Patents for class 349 subclass 194]  194           Subclass 194 indent level is 1 Passive liquid crystal polarizer
[List of Patents for class 349 subclass 195]  195           Subclass 195 indent level is 1 Antidazzle mirror formed from liquid crystal cell
[List of Patents for class 349 subclass 196]  196           Subclass 196 indent level is 1 Beam dividing switch formed from liquid crystal cell
[List of Patents for class 349 subclass 197]  197           Subclass 197 indent level is 2 Including passive liquid crystal switch portion
[List of Patents for class 349 subclass 198]  198           Subclass 198 indent level is 1 Liquid crystal etalon
[List of Patents for class 349 subclass 199]  199           Subclass 199 indent level is 1 Liquid crystal sensors (e.g., voltmeters, pressure sensors, temperature sensors)
[List of Patents for class 349 subclass 200]  200           Subclass 200 indent level is 1 Liquid crystal lenses other than for eyewear
[List of Patents for class 349 subclass 201]  201           Subclass 201 indent level is 1 Liquid crystal diffraction element
[List of Patents for class 349 subclass 202]  202           Subclass 202 indent level is 2 For beam steering
 
FOREIGN ART COLLECTIONS
 
   FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
              UTILIZING A LIQUID CRYSTAL MATERIAL (359/36)
   FOR100          Subclass FOR100 indent level is 1 With particular illumination (359/48)
   FOR101          Subclass FOR101 indent level is 2 Having optical element (e.g., curved reflector behind light source, etc.) (359/49)
   FOR102          Subclass FOR102 indent level is 2 Fluorescent light (e.g., FLAD type) (359/50)
   FOR103          Subclass FOR103 indent level is 1 Microencapsulated liquid crystal (359/51)
   FOR104          Subclass FOR104 indent level is 2 With particular encapsulating medium (359/52)
   FOR105          Subclass FOR105 indent level is 1 Plural contiguous cells (359/53)
   FOR106          Subclass FOR106 indent level is 1 Having electrodes arranged into rows and columns (359/54)
   FOR107          Subclass FOR107 indent level is 2 With liquid crystal electrode excitation (359/55)
   FOR108          Subclass FOR108 indent level is 3 For ferroelectric liquid crystal (359/56)
   FOR109          Subclass FOR109 indent level is 3 With particular switching device (359/57)
   FOR110          Subclass FOR110 indent level is 2 With particular switching device (359/58)
   FOR111          Subclass FOR111 indent level is 3 Transistor (359/59)
   FOR112          Subclass FOR112 indent level is 3 Diode (359/60)
   FOR113          Subclass FOR113 indent level is 1 Having particular nonelectrical detail of cell structure enclosing or adjacent liquid crystal material (359/62)
   FOR114          Subclass FOR114 indent level is 2 Polarizer (359/63)
   FOR115          Subclass FOR115 indent level is 3 Color (359/64)
   FOR116          Subclass FOR116 indent level is 3 Circular (359/65)
   FOR117          Subclass FOR117 indent level is 2 Diffuser (359/69)
   FOR118          Subclass FOR118 indent level is 3 Dielectric mirror or transflector (359/71)
   FOR119          Subclass FOR119 indent level is 2 Particular nonoptical film or layer (e.g., adhesive layer, barrier layer, etc.) (359/74)
   FOR120          Subclass FOR120 indent level is 3 Alignment layer (359/75)
   FOR121          Subclass FOR121 indent level is 4 Formed by particular technique (e.g., vapor deposition, rubbing, etc.) (359/76)
   FOR122          Subclass FOR122 indent level is 4 For perpendicular alignment (359/77)
   FOR123          Subclass FOR123 indent level is 4 For parallel alignment (359/78)
   FOR124          Subclass FOR124 indent level is 2 Substrate (359/82)
   FOR125          Subclass FOR125 indent level is 2 Holder, support, or frame (359/83)
   FOR126          Subclass FOR126 indent level is 1 With specified electrode excitation characteristic of liquid crystal material (359/84)
   FOR127          Subclass FOR127 indent level is 2 Provided by particular circuit (359/85)
   FOR128          Subclass FOR128 indent level is 1 With detector of liquid crystal temperature (359/86)
   FOR129          Subclass FOR129 indent level is 1 Electrode detail (359/87)
   FOR130          Subclass FOR130 indent level is 2 Reversal in sign of dielectric anisotropy (359/92)
   FOR131          Subclass FOR131 indent level is 1 Birefringers effect (359/93)
   FOR132          Subclass FOR132 indent level is 1 Variable index of refraction (359/94)
   FOR133          Subclass FOR133 indent level is 1 Variable diffraction (359/95)
   FOR134          Subclass FOR134 indent level is 1 Variable absorption of light due to an additive in the liquid crystal material (359/96)
   FOR135          Subclass FOR135 indent level is 2 Flurescent additive (359/97)
   FOR136          Subclass FOR136 indent level is 2 Pleochroic dye (359/98)
   FOR137          Subclass FOR137 indent level is 1 With specified nonchemical characteristic of liquid crystal material (359/99)
   FOR138          Subclass FOR138 indent level is 2 Within smectic phase (359/100)
   FOR139          Subclass FOR139 indent level is 2 Within cholestric phase (359/101)
   FOR140          Subclass FOR140 indent level is 2 Within nematic phase (359/102)
   FOR141          Subclass FOR141 indent level is 1 Cell containing liquid crystal of specified composition (359/103)
   FOR142          Subclass FOR142 indent level is 2 In smectic phase (359/104)
   FOR143          Subclass FOR143 indent level is 2 In cholesteric phase (359/105)
   FOR144          Subclass FOR144 indent level is 2 In nematic phase (359/106)

This file produced by USPTO - SIRA - Office of Patent Automation - Reference Tools Project

Contact: United States Patent and Trademark Office - Classification Operations Crystal Park 3, Suite 902 Washington, DC 20231 phone: (703) 305-5107

For questions and comments please e-mail.


Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public

Contact: United States Patent and Trademark Office - PTDLP Crystal Park 3, Suite 481 Washington, DC 20231 Fax: (703) 306-2662


Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:

     Information Products Division -- U.S. Patent and Trademark Office Information Products Division
     PK3- Suite 441 Washington, DC 20231
     tel: (703) 306-2600 FAX: (703) 306-2737 email: oeip@uspto.gov

Or, browse their on-line catalog.


The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website.


|.HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT