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1

LIQUID CRYSTAL SYSTEM

2

Liquid crystal for recording or imaging on photosensitive medium

3

Printer or print bar

4

Exposure device for lithography

5

Projector including liquid crystal cell (s)

6

Overhead projector

7

Video/motion picture projector

8

Plural light path projectors

9

Having light separated into S and P polarization

10

Wherein liquid crystal cells include microencapsulated or polymer dispersed liquid crystal

11

Heads-up display

12

Liquid crystal writing tablet

13

Liquid crystal eyewear (glasses, goggles, etc.)

14

For protection

15

Stereoscopic

16

Liquid crystal window

17

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

18

Variable or rotatable retarder used with other retarders to produce filtering effects (Solc, Lyot, Partial)

19

PARTICULAR EXCITATION OF LIQUID CRYSTAL

20

Thermal excitation

21

By heating electrode

22

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

23

Magnetic or pressure excitation

24

Optical excitation

25

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

26

Of an alloy of S, Se, or Te

27

With silicon photoconductive layer

28

With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure

29

With particular light blocking layer for separating read and write lights

30

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

31

Electron beam excitation

32

Plasma excitation

33

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

34

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

35

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

36

Including diverse driving frequencies

37

Polarity based driving

38

With supplemental capacitor

39

In active matrix with separate dedicated capacitor line

40

With antistatic elements

41

With particular switching device

42

Transistor

43

Structure of transistor

44

With light block conductively connected to transistor

45

Transferred transistor

46

With particular gate electrode structure

47

With gate electrode between liquid crystal and semiconductor layer

48

Plural nonredundant transistors per pixel

49

Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.)

50

Diode

51

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

52

With particular insulating layer

53

Varistor

54

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

55

Laser links

56

PARTICULAR STRUCTURE

57

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

58

Holder, support, frame, or housing

59

Including electromagnetic shielding

60

Including resilient support member

61

Particular illumination

62

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

63

Specifically for guiding light in a front-lit device

64

Diffuser between light source and liquid crystal

65

Edge lit type light guide behind liquid crystal

66

Louvres

67

Reflector having particular shape behind light source

68

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

69

Electroluminescent light source

70

Fluorescent light source

71

Formed of planar phosphor or fluorescent layer separate from illumination source

72

Detector of liquid crystal temperature

73

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

74

Interconnection of plural cells in series

75

For compensation of birefringence effects

76

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

77

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

78

Cell cooperation providing multicolor display

79

With color formed by different dye in each cell

80

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

81

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

82

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

83

With each cell displaying a different pattern

84

Having significant detail of cell structure only

85

Producing a greyscale effect

86

Microencapsulated or polymer dispersed liquid crystal

87

For variable polarizer

88

Polymer network liquid crystal

89

With particular encapsulating medium

90

With second material between liquid crystal and encapsulating medium

91

With nonpolymer encapsulating medium

92

Formed by particular technique

93

Having UV polymerized element

94

Formed with particular alignment technique

95

Microlenses

96

Polarizer

97

Color

98

Circular

99

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

100

For ferroelectric liquid crystal

101

For supertwisted nematic liquid crystal

102

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

103

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

104

Filter

105

Interference filter

106

Color filter

107

With different liquid crystal thickness for each color of filter

108

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

109

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

110

Opaque mask or black mask

111

Conductive mask

112

Diffuser (on viewer side of liquid crystal)

113

Reflector

114

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

115

Cholesteric reflector

116

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

117

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

118

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

119

Multiple compensators

120

Including at least one with negative intrinsic birefringence

121

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

122

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

123

Alignment layer

124

Formed by particular technique (e.g., Langmuir Blodgett, stretching, etc.)

125

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

126

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

127

Formed of a liquid crystal material

128

With different alignments on opposite substrates

129

With plural alignments on the same substrate

130

For perpendicular alignment

131

Silanes

132

For parallel alignment

133

With chiral smectic liquid crystal (includes ferroelectric liquid crystal)

134

With particular pretilt angle from the alignment layer

135

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

136

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

137

Antireflection layer

138

Insulating layer

139

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

140

Formed of semiconductor material

141

Interdigited (comb-shaped) electrodes

142

Segmented or fixed pattern

143

Matrix electrodes

144

Split pixels

145

Nonrectilinear rows and columns

146

Nonrectangular (odd) shaped pixels

147

Multilayer electrodes

148

Resistance reducing electrodes

149

Having connection detail to external circuit

150

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

151

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

152

With detail of terminals to external circuit

153

Liquid crystal seal

154

With particular injection port or injection plug

155

Spacer

156

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

157

Plural types in single liquid crystal cell

158

Substrate

159

Fiberoptic faceplate

160

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

161

Heating or cooling element other than for exciting

162

Dual function layer or element

163

Nonchiral additive in the liquid crystal material

164

Fluorescent additive

165

Pleochroic dye

166

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

167

WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL

168

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

169

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

170

Utilizing reversal in sign of dielectric anisotropy

171

Within smectic phase

172

Within chiral smectic phase (includes ferroelectric)

173

Greyscale resulting from liquid crystal property other than solely Smectic A

174

Antiferroelectric

175

Within cholesteric phase

176

Using reflection characteristic

177

Within nematic phase

178

Negative dielectric anisotropy only

179

Twisted (or chiral) nematic or supertwisted nematic

180

Having particular parameter of twist

181

Having particular birefringence or retardation

182

CELL CONTAINING LIQUID CRYSTAL OF SPECIFIC COMPOSITION

183

Polymer liquid crystal

184

In smectic phase

185

In cholesteric phase

186

In nematic phase

187

NOMINAL MANUFACTURING METHODS OR POST MANUFACTURING PROCESSING OF LIQUID CRYSTAL CELL

188

Changing liquid crystal phase

189

Injecting liquid crystal

190

Sealing of liquid crystal

191

Aligning liquid crystal with means other than alignment layer

192

Defect correction or compensation

193

LIQUID CRYSTAL OPTICAL ELEMENT

194

Passive liquid crystal polarizer

195

Antidazzle mirror formed from liquid crystal cell

196

Beam dividing switch formed from liquid crystal cell

197

Including passive liquid crystal switch portion

198

Liquid crystal etalon

199

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

200

Liquid crystal lenses other than for eyewear

201

Liquid crystal diffraction element

202

For beam steering

FOR100

With particular illumination (359/48)

FOR101

Having optical element (e.g., curved reflector behind light source, etc.) (359/49)

FOR102

Fluorescent light (e.g., FLAD type) (359/50)

FOR103

Microencapsulated liquid crystal (359/51)

FOR104

With particular encapsulating medium (359/52)

FOR105

Plural contiguous cells (359/53)

FOR106

Having electrodes arranged into rows and columns (359/54)

FOR107

With liquid crystal electrode excitation (359/55)

FOR108

For ferroelectric liquid crystal (359/56)

FOR109

With particular switching device (359/57)

FOR110

With particular switching device (359/58)

FOR111

Transistor (359/59)

FOR112

Diode (359/60)

FOR113

Having particular nonelectrical detail of cell structure enclosing or adjacent liquid crystal material (359/62)

FOR114

Polarizer (359/63)

FOR115

Color (359/64)

FOR116

Circular (359/65)

FOR117

Diffuser (359/69)

FOR118

Dielectric mirror or transflector (359/71)

FOR119

Particular nonoptical film or layer (e.g., adhesive layer, barrier layer, etc.) (359/74)

FOR120

Alignment layer (359/75)

FOR121

Formed by particular technique (e.g., vapor deposition, rubbing, etc.) (359/76)

FOR122

For perpendicular alignment (359/77)

FOR123

For parallel alignment (359/78)

FOR124

Substrate (359/82)

FOR125

Holder, support, or frame (359/83)

FOR126

With specified electrode excitation characteristic of liquid crystal material (359/84)

FOR127

Provided by particular circuit (359/85)

FOR128

With detector of liquid crystal temperature (359/86)

FOR129

Electrode detail (359/87)

FOR130

Reversal in sign of dielectric anisotropy (359/92)

FOR131

Birefringers effect (359/93)

FOR132

Variable index of refraction (359/94)

FOR133

Variable diffraction (359/95)

FOR134

Variable absorption of light due to an additive in the liquid crystal material (359/96)

FOR135

Flurescent additive (359/97)

FOR136

Pleochroic dye (359/98)

FOR137

With specified nonchemical characteristic of liquid crystal material (359/99)

FOR138

Within smectic phase (359/100)

FOR139

Within cholestric phase (359/101)

FOR140

Within nematic phase (359/102)

FOR141

Cell containing liquid crystal of specified composition (359/103)

FOR142

In smectic phase (359/104)

FOR143

In cholesteric phase (359/105)

FOR144

In nematic phase (359/106)

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