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Class Information
Number: 349/169
Name: Liquid crystal cells, elements and systems > With specified nonchemical characteristic of liquid crystal material > Utilizing change within liquid crystal phase (e.g., grandjean to focal conic, etc.)
Description: Subject matter wherein a transformation occurs to the liquid crystal material while the material is in a particular mesophase.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8704980 Blue phase liquid crystal display panel and liquid crystal display Apr. 22, 2014
8558799 Method and device for user interaction Oct. 15, 2013
8519936 Liquid crystal display device and driving method of the same Aug. 27, 2013
8384872 Bistable nematic liquid crystal device Feb. 26, 2013
8325283 Recording device, recording apparatus, and recording method comprising liquid crystals and a photosensitive layer in which an impedance changes depending on an irradiated light Dec. 4, 2012
8199086 Stacked color photodisplay Jun. 12, 2012
8149374 Cholesteric liquid crystal display devices with actuating thin-film driving elements Apr. 3, 2012
8120746 Display panel and display device having medium whose optical anisotropy magnitude changes according to electric field Feb. 21, 2012
7956980 Liquid crystal device with bi- or multistable alignment gratings Jun. 7, 2011
7847890 OCB mode liquid crystal display comprising edges of adjacent color filters being sawtoothed so as to form a sawtoothed step structure Dec. 7, 2010
7843547 Optically compensated bend mode liquid crystal display devices and fabrication methods thereof Nov. 30, 2010
RE41678 Half reflection type liquid crystal display device having matched phase of transmitted and reflected light Sep. 14, 2010
7688296 Cholesteric liquid crystal driving device and driving method Mar. 30, 2010
7682521 Aligned liquid crystal thin films and glasses Mar. 23, 2010
7652744 Optical element, method for manufacturing optical element, and semi-transmissive semi-reflective liquid crystal display device Jan. 26, 2010
7643124 Liquid crystal, and liquid crystal material combination and liquid crystal display each containing the same Jan. 5, 2010
7463329 Materials for freezing light Dec. 9, 2008
7450970 Apparatus and method for managing user data in a mobile terminal Nov. 11, 2008
7430351 Non-linear femtosecond pulse filter with high contrast Sep. 30, 2008
7327433 Display element, display device, and manufacturing method of display element Feb. 5, 2008
7245282 Addressing multistable nematic liquid crystal devices Jul. 17, 2007
7145538 Liquid crystal display device and method for driving a liquid crystal display Dec. 5, 2006
7123335 Reflective liquid crystal display with infrared reflection Oct. 17, 2006
7079218 Optically compensated birefringence mode liquid crystal display device having specific retardations in splay and bend states and method of fabricating the same Jul. 18, 2006
7068250 Addressing multistable nematic liquid crystal device Jun. 27, 2006
RE39082 Half reflection type liquid crystal display device having matched phase of transmitted and reflected light May. 2, 2006
7035690 Human-implantable-neurostimulator user interface having multiple levels of abstraction Apr. 25, 2006
6999142 Reflective cholesteric liquid crystal display with complementary light-absorbing layer Feb. 14, 2006
6950157 Reflective cholesteric liquid crystal display with complementary light-absorbing layer Sep. 27, 2005
6950086 Driving method for a cholesteric liquid crystal display device having a memory mode of operation and a driving apparatus Sep. 27, 2005
6950171 Liquid crystal color switch and method of manufacture Sep. 27, 2005
6947114 LCD element including regions where helical axes of LC molecules of neighboring domains in focalconic state extend in same direction Sep. 20, 2005
6939478 Compounds of formula (2) to stabilize liquid crystal domains Sep. 6, 2005
6927765 Liquid crystal display device and driving method thereof Aug. 9, 2005
6914648 Electronic shelf label Jul. 5, 2005
6885357 Method for writing pixels in a cholesteric liquid crystal display Apr. 26, 2005
6882401 Light modulation medium and light modulation method Apr. 19, 2005
6858266 Domain size controlled liquid crystals Feb. 22, 2005
6806924 Liquid crystal display element Oct. 19, 2004
6727968 Liquid crystal device alignment Apr. 27, 2004
6714276 Liquid crystal display device Mar. 30, 2004
6674504 Single layer multi-state ultra-fast cholesteric liquid crystal device and the fabrication methods thereof Jan. 6, 2004
6602563 Liquid crystal display Aug. 5, 2003
6599442 Temperature measurement and temperature controlled switching based on helical sense dependent liquid crystal phases Jul. 29, 2003
6532052 Brightness enhancement for bistable cholesteric displays Mar. 11, 2003
6483563 Brightness enhancement for bistable cholesteric displays Nov. 19, 2002
6462805 Reverse-mode direct-view display employing a liquid crystal having a characteristic wavelength in the non-visible spectrum Oct. 8, 2002
6377339 Document imaging system incorporating a selectively opaque/transparent liquid crystal platen Apr. 23, 2002
6274208 Liquid crystal composition and liquid crystal display device Aug. 14, 2001
6268839 Drive schemes for gray scale bistable cholesteric reflective displays Jul. 31, 2001

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