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

Subclass of:

349 - Liquid crystal cells, elements and systems

349019000 - PARTICULAR EXCITATION OF LIQUID CRYSTAL

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
349041000 With particular switching device 679
349038000 With supplemental capacitor 307
349037000 Polarity based driving 90
349054000 Matrix including additional element (s) which correct or compensate for electrical fault 66
349040000 With antistatic elements 48
349034000 With application of holding or bias voltage (i.e., voltage which does not change the optical state of the liquid crystal) 13
349036000 Including diverse driving frequencies 10
349035000 For driving Grandjean to focal conic or dynamic scattering type liquid crystal 6
Entries
DocumentTitleDate
20110199550LIQUID CRYSTAL DISPLAY DEVICE - A new type of liquid crystal display (LCD) device with improved high transmittance and wide-view-angle characteristics while without gray-level inversion at an inclined viewing angle is provided. The LCD device includes a first substrate with common electrodes, a second substrate with at least one pixel unit, a liquid crystal (LC) layer disposed between the first substrate and the second substrate, a first polarizer, and a second polarizer. The pixel unit has a pixel electrode, which is formed by at least one dense electrode area and at least one sparse electrode area. The LC molecules of the LC layer form a continuous-domain alignment after being driven by a voltage.08-18-2011
20110187949DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY PANEL HAVING THE SAME - A display substrate includes a data line disposed on a base substrate, a first pixel electrode disposed at a first side of the data line, a second pixel electrode disposed at a second side of the data line and a storage electrode overlapping with the data line. The storage electrode overlaps with the first pixel electrode by a first overlapping width, and overlaps with the second pixel electrode by a second overlapping width larger than the first overlapping width.08-04-2011
20100079689LIQUID CRYSTAL MOLECULE, LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL OPTICAL SPATIAL MODULATION DEVICE - A liquid crystal molecule is disclosed, having a structure represented by the following general formula (1):04-01-2010
20130077001ELECTRO-OPTICAL DEVICES USING DYNAMIC RECONFIGURATION OF EFFECTIVE ELECTRODE STRUCTURES - Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The drive signal source uses pulse-width modulation to set a frequency and an amplitude of the drive signal.03-28-2013
20130038804DISPLAY APPARATUS AND POLARIZER FOR MULTI-DOMAIN VERTICAL ALIGNED LIQUID CRYSTAL DISPLAY APPARATUS - A display apparatus and a polarizer for multi-domain vertical aligned liquid crystal display apparatus are provided. The display apparatus includes a liquid crystal display device, a first polarizer, a second polarizer and a diffractive optical element. The first polarizer is disposed on the first substrate. The second polarizer is disposed between the second substrate and the backlight module. The diffractive optical element includes a first diffraction grating and is disposed on a light emitting side of the first polarizer. An azimuth angle the first diffraction grating is counted from an absorbing axis of the first polarizer as standard.02-14-2013
20130135546ARRAY SUBSTRATE AND LIQUID CRYSTAL PANEL - Embodiments of the present invention disclose an array substrate and a liquid crystal panel. An embodiment of the present invention provides an array substrate comprising a plurality of pixel units, with a pixel structure of each pixel unit comprising: a first electrode and a second electrode, wherein the second electrode comprises a plurality of second electrode groups, each comprising a first common electrode group applied with a constant voltage and a second pixel electrode group applied with a first control voltage; the first electrode comprises a plurality of first electrode groups, each comprising a first pixel electrode group corresponding to the first common electrode group and applied with a second control voltage and a second common electrode group corresponding to the second pixel electrode group and applied with a constant voltage; the first pixel electrode group and the second common electrode group are composed of at least two sub-electrodes, respectively. The present invention can be applied in the field of display technology, such as a liquid crystal display.05-30-2013
20130135545TWO-DIMENSIONAL/THREE-DIMENSIONAL SWITCHABLE DISPLAY APPARATUS - A two-dimensional/three-dimensional switchable display apparatus includes: a display panel; a first substrate disposed on the display panel; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a second substrate disposed on the first substrate; a second electrode layer disposed on the second substrate and including a plurality of second electrodes; and a liquid crystal layer disposed between the first and second substrates. A plurality of lens units are formed in association with a first position of the liquid crystal layer when a lens forming voltage profile is applied to the first electrodes and a common voltage is applied to the second electrodes. When the common voltage is applied to the first electrodes and the lens forming voltage is applied to the second electrodes, the plurality of lens units are formed in association with a second position spaced apart from the first position.05-30-2013
20090147162LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first insulating substrate, pixel electrodes disposed on the first insulating substrate and divided into a plurality of domains, each domain including micro-concave stripes and micro-convex stripes arranged in a specific direction, a second insulating substrate facing the first insulating substrate, a common electrode, which is not patterned, disposed on the second insulating substrate, and a liquid crystal layer interposed between the first and second insulating substrates and including liquid crystal molecules. The liquid crystal molecules are aligned perpendicular to the first and second insulating substrates when an electric field is not applied to the liquid crystal layer, and the liquid crystal molecules are inclined in an extension direction of the micro-concave stripes and the micro-convex stripes when an electric field is applied to the liquid crystal layer.06-11-2009
20130050599SOLAR PANEL, LIQUID CRYSTAL DISPLAY SYSTEM, AND METHOD FOR CONTROLLING SOLAR PANEL - A solar panel is provided which can be satisfactorily used as an information medium for advertising, announcement, etc. without a decrease in the efficiency of power generation. The solar panel includes a liquid crystal display panel 02-28-2013
20100002157Wide Viewing Angle Liquid Crystal Display with High Response Speed - A liquid crystal display according to an exemplary embodiment of the present invention includes a first field generating electrode with a plurality of cutouts. A thin film transistor is connected to the first field generating electrode. An auxiliary electrode is overlapped with one or more of the plurality of cutouts of the first field generating electrode, and is floated during the period of image display. A second field generating electrode faces the first field generating electrode and a liquid crystal layer is interposed between the first and second field generating electrodes. The liquid crystal layer includes a plurality of liquid crystal molecules and photo-polymers.01-07-2010
20130050598DRIVE METHOD OF DISPLAY ELEMENT INCLUDING CHOLESTERIC LIQUID CRYSTAL AND CHOLESTERIC LIQUID CRYSTAL DISPLAY DEVICE - A cholesteric liquid crystal display device includes: a cholesteric liquid crystal display element; a segment driver and a common driver; a multi-voltage generation circuit configured to generate voltages supplied to the segment driver and the common driver; a temperature sensor; and a control circuit configured to control the segment driver, the common driver, and the multi-voltage generation circuit, wherein the control circuit: controls the segment driver and the common driver to perform a dynamic drive sequence having a preparation period during which the cholesteric liquid crystal is brought into a homeotropic state, a selection period during which the final state of the cholesteric liquid crystal is selected, and an evolution period during which the cholesteric liquid crystal is made to transition to the state selected during the selection period; and controls the applied voltage to the cholesteric liquid crystal during the evolution period to change in accordance with temperature.02-28-2013
20130088656FREQUENCY CONTROL METHOD OF OPTICAL TUNABLE FILTER DEVICES - A method for controlling a characteristic of a variable optical filter including a frequency selecting element includes changing a driving voltage for a specific pixel of the frequency selecting element continuously to produce an amount of change in a frequency that is passed through that pixel, changing a driving voltage value for a specific pixel of the frequency selecting element continuously to produce an attenuation value for a beam that is passed through that pixel, calculating, from a relationship between the driving voltage and a frequency characteristic and between the driving voltage and amount of attenuation, a function that indicates an approximated curve of no less than a second order and no more than a sixth order for expressing a relationship between a transmissivity and a frequency, and controlling the characteristic through driving a controlled pixel of the frequency selecting element based on the function.04-11-2013
20130208201DISPLAY DEVICE - A display device (08-15-2013
20130208200DYNAMIC DIMMING LED BACKLIGHT - Disclosed herein is a system for controlling the interactions of light between adjacent subsections of a dynamic LED backlight. Preferred embodiments contain a dividing wall positioned between each adjacent subsection of the LED backlight. The dividing wall may be in contact with the LED backlight and extend away from the LED backlight. The dividing wall may prohibit light from a first subsection from entering an adjacent second subsection at its full luminance. The luminance for each adjacent subsection may be approximately half of the full luminance of each subsection, when measured at the location of the dividing wall.08-15-2013
20080291347LIQUID CRYSTALS AND LIQUID CRYSTAL DISPLAY APPARATUS EMPLOYING THE SAME - A liquid crystal includes about 60 wt % to about 80 wt % of a first compound material, about 2 wt % to about 15 wt % of a second compound material, and a neutral compound material. The first compound material has a dielectric anisotropy of a first polarity, and the second compound material has a dielectric anisotropy of a second polarity.11-27-2008
20090303403DRIVING-VOLTAGE GENERATION APPARATUS AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A driving-voltage generation apparatus and a liquid crystal display (LCD) having the same are provided. The driving-voltage generation apparatus includes an input node coupled to an input voltage, a voltage converter configured to convert the input voltage into an output voltage and output the output voltage, and a voltage cutoff unit electrically connected between the input node and the voltage converter. The voltage cutoff unit is configured to sense the input voltage and selectively cut off the supply of the input voltage.12-10-2009
20120218483VARIABLE POWER OPTICAL ELEMENT - A variable power optical element is divided into cells which contain two liquid crystals mixed according to different proportions. The proportion of one of the liquid crystals in each cell increases on the basis of the radial distance between a central point of the optical element and said cell. An appropriate selection of the two liquid crystals results in a higher variation of the optical power between two control states of said optical element. More particularly, the optical element may consist of an ophthalmic lens which changes between a convergent lens state and a divergent lens state.08-30-2012
20130114009OPTICALLY ISOTROPIC LIQUID CRYSTAL MEDIUM AND OPTICAL DEVICE - A liquid crystal medium having an optically isotropic liquid crystal phase is described, which has stability to heat, light and so on, a broad temperature range of liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy. A liquid crystal composition is described, which includes an achiral component T and a chiral dopant and exhibits an optically isotropic liquid crystal phase. The achiral component T contains, as its first component, at least one compound selected from compounds represented by formula (1),05-09-2013
20130114008POLYMER NETWORK STABILIZED FLEXOELECTRIC POLARIZATION - A liquid crystal device comprising a first substrate; a second substrate; and a liquid crystal layer sandwiched between the first substrate and the second substrate, the liquid crystal layer comprising a nematic liquid crystal material and a polymer network. The polymer network is anchored to said first substrate and is configured to alternatingly induce splay deformation and bend deformation of the nematic liquid crystal material along a line parallel with the first substrate. Hereby, the relaxation time τ05-09-2013
20120194753METHOD OF FORMING A VERTICAL ALIGNMENT LAYER, A METHOD OF MANUFACTURING A DISPLAY APPARATUS USING THE SAME, AND A DISPLAY APPARATUS MADE WITH THE MANUFACTURING METHOD - A method of forming a vertical alignment layer includes disposing a substrate on a stage, the substrate including an alignment layer, the alignment layer includes first areas and second areas alternately arranged in a first direction, and disposing a mask over the substrate, the mask including light blocking parts and light transmitting parts that correspond to the first areas. An exposure apparatus disposed over the mask provides light to the first areas when the substrate moves in the first direction to form a pretilt angle in the first areas. The stage is rotated so that the light transmitting parts correspond to the second areas, and the exposure apparatus provides light to the second areas when the substrate moves in the first direction to form a pretilt angle in the second areas. The pretilt angle formed in the first areas is different from the pretilt angle formed in the second areas.08-02-2012
20090237578TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - A transflective liquid crystal display device is provided with a liquid crystal layer sandwiched between a first substrate with an array of switching elements and a second substrate with a black matrix so as to form a first area for a normally black display and a second area for a normally white display A first electric potential difference formed between the black matrix and both of the first common electrode and the first pixel electrode formed in the first area on the first substrate is made to be smaller than a larger one of the second electric potential difference formed between the black matrix and both of the second common electrode and the second pixel electrode formed in the second area.09-24-2009
20130162921LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - In a liquid crystal display device, liquid crystal molecules are oriented in a vertical direction to the first substrate and the second substrate by the first molecule orientation film and the second molecule orientation film, respectively, in a non-driving state. A structural pattern is formed so as to extend in a first direction parallel to a surface of the liquid crystal layer and so as to form, in a driving state, an electric field periodically changing in a second direction that is parallel to the liquid crystal layer and vertical to the first direction. The liquid crystal molecules substantially tilt in the first direction in the driving state.06-27-2013
20130162922CONNECTING STRUCTURE OF ELECTRONIC APPARATUS AND DISPLAY DEVICE USING THE SAME - A connecting structure of the present invention includes a first substrate, a second substrate on which the first substrate is laminated, and a sheet like connection body having one end connected to one principal surface of the first substrate and another end connected to one principal surface of the second substrate, wherein a lengthwise direction of the sheet like connection body is parallel to a perimeter part of the first substrate, and the sheet like connection body has a slit part extending from one of end portions thereof to a part thereof along the lengthwise direction, and has a first end and a second end divided by the slit part at one of end portions, the first end is connected to a principal surface of the first substrate in vicinity of a peripheral part of the first substrate, and the second end is connected to a principal surface of the second substrate in vicinity of a peripheral part of the first substrate.06-27-2013
20090009671ELECTRIC FIELD DRIVING DEVICE, LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - An electric field driving device in which a plurality of pixels, each of which is formed of two or more sub-pixels that respectively correspond to different colors from one another, are arranged in a matrix in a pixel region on a substrate. The electric field driving device includes pixel electrodes, a common electrode, an insulating layer, and a material. Each of the pixel electrodes is formed in correspondence with the sub-pixel on the substrate. The common electrode is formed above the pixel electrodes on the substrate so that at least part of the common electrode overlaps each of the pixel electrodes in plan view, and has a plurality of slits. The insulating layer is formed on the substrate between the pixel electrodes and the common electrode. The material is driven by an electric field that is generated on the basis of a difference in electric potential between each of the pixel electrodes and the common electrode. The plurality of slits at least partly overlap each of the pixel electrodes in plan view. At least a portion of the slits in each of the sub-pixels are parallel to one another and include a continuous portion that extends in a straight line over the plurality of sub-pixels that are included in one pixel of the pixels and arranged adjacent to one another. An extending direction in which the continuous portion that is included in the one pixel extends and an extending direction in which the continuous portion that is included in at least one of the pixels arranged adjacent to the one pixel extends are different from each other.01-08-2009
20120113340LIQUID CRYSTAL DISPLAY PANEL, LIQUID CRYSTAL DRIVE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal display panel according to the present invention comprises a plurality of gate lines, a plurality of source lines, and a plurality of liquid crystal pixels, wherein the plurality of source lines and the plurality of liquid crystal pixels are laid out so that the polarity of voltage to be applied to the plurality of liquid crystal pixels is inverted for individual dots for the liquid crystal display panel overall, and so that the polarity of voltage to be applied to the plurality of source lines is not inverted for at least an entire row scan interval.05-10-2012
20120113339Liquid crystal display with integrated touch screen panel - An LCD with an integrated touch screen panel includes a first substrate having a plurality of pixels formed thereon, wherein each pixel of the plurality of pixels is provided with a thin film transistor and a pixel electrode. A second substrate facing the first substrate, having a plurality of common electrodes formed inside thereof. The plurality of common electrodes is arranged in a first direction to correspond to the plurality of pixels. A plurality of sensing electrodes is outside of the second substrate and arranged in a second direction intersecting the first direction. A liquid crystal layer is between the first and the second substrates. A common electrode driver sequentially supplies a driving signal to the common electrodes and supplies a compensation signal having a phase opposite to the driving signal to the common electrodes.05-10-2012
20120236220ELECTRO-OPTICAL DEVICE - Inter-substrate connection terminals are provided between four corners of an opposed substrate and a TFT substrate. Lines are provided between first and second terminals in the TFT substrate and an external circuit connection terminal. Lines are provided between first and second terminals, between first and third terminals, between the third and forth terminals, and between second and forth terminals, respectively. Lines bypassing the first terminal are provided between lines. A line bypassing the second terminal is provided between lines.09-20-2012
20110279745LIQUID CRYSTAL DISPLAY PANEL - Disclosed is a liquid crystal display panel which causes no gray scale inversion, even when obliquely viewed, and which realizes suppression of a gamma characteristics change and a chromaticity change. The liquid crystal display panel is made of a pair of substrates, at least one of which includes a plurality of pixel electrodes containing red, green and blue pixel electrodes, and a liquid crystal layer arranged between the pair of substrates. The liquid crystal layer is divided for each pixel into a first region and a second region, which have liquid crystal molecules different in the directions of inclination from each other. Both of the liquid crystal molecules positioned in the first region and the second region are oriented either vertically or horizontally when the pair of substrates is viewed in the front direction, and are oriented obliquely with respect to the substrate surface and symmetrically of each other when the pair of substrates is viewed in the cross-sectional direction. The liquid crystal layer has a smaller thickness in the regions corresponding to the blue pixel electrodes than those in the regions corresponding to the green and red pixel electrodes.11-17-2011
20090195717LIQUID CRYSTAL APPARATUS - Disclosed herein is a liquid crystal apparatus, including, a pair of substrates; and a liquid crystal layer held between the substrates, the liquid crystal layer having positive dielectric anisotropy, the liquid crystal of the liquid crystal layer exhibiting, when no voltage is applied thereto, an orientation direction parallel to a transverse electric field which is generated when a voltage is applied to the liquid crystal layer.08-06-2009
20090190050LIQUID CRYSTAL DISPLAY DEVICE AND ITS DRIVE METHOD - A MVA type liquid crystal panel is slow in a response speed when a black state at a drive voltage about 1V is switched to a low brightness halftone state at the drive voltage about 2 to 3V. According to the present invention, in a liquid crystal display device for driving the MVA type liquid crystal panel, when a liquid crystal pixel at a pixel electrode is changed from a first transmittance to a second transmittance greater than the first transmittance, a drive voltage greater than a fist target drive voltage in correspondence with a second transmittance is applied to the pixel electrode in a first frame period of changing to the second transmittance, and the first target display voltage is applied from a second frame period. According to the present invention, even when either switching is performed from a black state to a low brightness halftone state, from the black state to a high brightness halftone state, for from the black state to a white state, a response time is shortened, and the switching can be performed without generating an overshoot.07-30-2009
20100171892Fringe Field Switching Mode Liquid Crystal Display Device - Disclosed is a Fringe Field Switching (FFS) mode Liquid Crystal Display (LCD) including lower substrate, an upper substrate and a liquid crystal layer interposed between the substrates. Each pixel region is defined by gate lines and data lines formed to cross each other on the lower substrate. Switching devices are disposed at intersections of the gate lines and the data lines. The FFS mode LCD includes a transparent pixel electrode, and a transparent common electrode disposed apart from the transparent pixel electrode by an insulating layer interposed therebetween to adjust a transmittance by applying an electric field to the liquid crystal layer. A metal line of a specific thickness is formed to be electrically connected with the transparent common electrode on or under the transparent common electrode of a non-opening region in which the gate lines and the data lines are formed.07-08-2010
20110128458LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a TBA-mode liquid crystal display device that is capable of reflective display and transmissive display without using a multigap structure. The liquid crystal display device of the present invention includes a first substrate and a second substrate disposed opposite each other and a liquid crystal layer interposed between the first substrate and the second substrate, and has, in a pixel area, a reflective area where reflective display is performed and a transmissive area where transmissive display is performed. The first substrate has a first electrode and a second electrode disposed parallel to and opposite the first electrode in the pixel area, the liquid crystal layer includes a p-type nematic liquid crystal and is driven by an electric field generated between the first electrode and the second electrode, the p-type nematic liquid crystal is aligned perpendicular to the first substrate and the second substrate when no voltage is applied, a thickness of the liquid crystal layer in the reflective area is substantially equal to a thickness of the liquid crystal layer in the transmissive area, and a distance between the first electrode and the second electrode in the reflective area is different from a distance between the first electrode and the second electrode in the transmissive area.06-02-2011
20120086879Liquid Crystal Display Device with Interred Touch Screen - A Liquid Crystal Display (LCD) device includes a liquid crystal panel in which a plurality of common electrodes are formed; an interred touch sensor for applying a common voltage to the common electrodes, and detecting a touch point of the liquid crystal panel with a capacitance that is induced in the common electrodes; a plurality of common electrode lines for connecting the common electrodes to the touch sensor; and an equivalent potential unit formed in the common electrode lines, and discharging residual electric charges of the common electrodes.04-12-2012
20120099038LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - The invention provides a liquid crystal display device capable of assuring high transmittance or reflectance and displaying multicolor stably. The liquid crystal display device is provided with a plurality of pixels arranged in a matrix. Each pixel includes a memory circuit storing digital values representing a color to be displayed by the pixel, a digital-analog converter circuit converting the digital value stored in the memory circuit to a voltage corresponding to the color to be displayed, and a liquid crystal cell transmitting light with different wavelengths according to the voltage.04-26-2012
20120099036DISPLAY SUBSTRATE AND METHOD OF FABRICATING THE SAME - Provided are a display substrate and a method of fabricating the same. The display substrate includes: a substrate including a display area and a first non-display area and a second non-display area which are located around the display area; first signal transmission portions located in the first non-display area; second signal transmission portions located in the second non-display area; and a seal line including a first seal line pattern disposed on the first signal transmission portions and a second seal line pattern disposed on the second signal transmission portions, wherein each of the first signal transmission portions includes a gate wiring and a step compensation portion which is disposed on the gate wiring and under the first seal line pattern, and the first seal line pattern overlaps the step compensation portion.04-26-2012
20110285928Liquid crystal display cell with fast response and continuous gray scale - The invention relates to liquid crystal display cells with fast response and continuous gray scale. The liquid crystal cell is based on a field-sequential color system (“FSC”) and comprises a chiral smectic liquid crystal whose helix pitch is less than thickness of liquid crystal layer placed between two polarizers, as well as a source of voltage applied to electrodes of the cell, wherein the amplitude of the applied voltage is less than the critical voltage amplitude of the helix unwinding. The liquid crystal has one steady state corresponding to twisted helix without applied voltage. In this case, the principal optical axis coincides with the helical axes, but deviates from steady state under the action of a driving voltage, providing thereby an electro-optical response of the display which exhibits gray scale in light transmission or reflection that is continuous, hysteretic-free and non-sensitive to the driving voltage polarity, if the steady orientation of the principle axes is parallel or perpendicular to the light polarization plane and the driving voltage frequency is between 10 Hz and 5 kHz. In embodiments with very short helix pitches, the cells may be free from selective reflection and diffraction in the visible spectral range. Different embodiments of the invention may use ferroelectric liquid crystal, ferroelectric liquid crystal, or antiferroelectric liquid crystal.11-24-2011
20090273723LCD DEVICE, DISPLAY METHOD THEREOF AND ELECTRONIC APPARATUS EMPLOYING LCD DEVICE - An LCD device comprises upper substrate, lower substrate, and a liquid crystal (LC) cell disposed therebetween. The LC cell comprises liquid crystals. According to the present invention, in the LCD device which applies voltage to the liquid crystals to control transmissive light for proceeding display, the liquid crystals are applied with a voltage larger than a predetermined voltage for proceeding display. The reflect light and the transmissive light of the liquid crystals are the predetermined color under a condition without applying the voltage thereto.11-05-2009
20110299001OPTICAL DISPLAY DEVICE AND METHOD THEREOF - The present invention provides and optical display device and a method for use in displaying an image. The optical display device comprises An optical display device comprising: at least one region of nanostructures operable as an optically active media, such that said nanostructures are responsive to input electromagnetic radiation to emit output electromagnetic radiation, and an arrangement of electrodes being configured and operable to be selectively addressable to create an external electric field to said at least one region of nanostructures, said region of nanostructures and said arrangement of electrodes defining together a pixel arrangement of said display device; said external electric field affecting said at least one region of nanostructures to selectively modulate emission of said output electromagnetic radiation, said output electromagnetic radiation being an output of at least one pixel element of the display device.12-08-2011
20110141383WRITING DEVICE - A writing device for writing an image to a display medium, the writing device applies a voltage between a pair of electroconductive layers and irradiates light onto a photosensitive layer. The light irradiates onto a region of the photosensitive layer that overlaps a region of the display layer where liquid crystal of a first display layer undergoes transition to the light-reflecting state, and applies a voltage between the pair of electroconductive layers for a time period such that a voltage equal to or larger than a second threshold voltage is applied to a region of the display layer unit where the liquid crystal of the first display layer is to undergo transition to the light-reflecting state, and a voltage smaller than the second threshold voltage is applied to a region of the display layer unit overlapped by a region of the photosensitive layer to which no light is irradiated.06-16-2011
20090284673ARRAY SUBSTRATE AND DISPLAY DEVICE HAVING THE SAME - An array substrate includes a base substrate, a gate line, a data line, a switching element and a pixel electrode. The gate line extends in a first direction on the base substrate. The data line extends in a second direction, substantially perpendicular to the first direction, on the base substrate. The switching element is electrically connected to the gate line and the data line. The pixel electrode includes a first sub-pixel electrode having first slit patterns formed thereon, and a second sub-pixel adjacent to the first sub-pixel electrode and having second slit patterns formed thereon. The first slit patterns and the second slit patterns are electrically connected to the switching element, the first slit patterns are disposed in parallel with each other in a third direction, and the second slit patterns are disposed in parallel with each other in a fourth direction different than third direction.11-19-2009
20100195008PLANAR NEMATIC LIQUID CRYSTAL CELLS DOPED WITH NANOPARTICLES AND METHODS OF INDUCING A FREEDERICKSZ TRANSITION - Nematic liquid crystal cells with positive dielectric anisotropy that include colloidal suspensions having nanoclusters are provided as well as methods of inducing Freedericksz transitions therein and methods of controlling the alignment of a liquid crystal.08-05-2010
20100091208Bistable Liquid Crystal Element - A nematic bistable liquid crystal (LC) display element includes a substrate having an inner surface alignment layer and a pair of in-plane electrodes in proximity to the substrates. The display element has charged electrophoretic nanoparticles in the LC medium configured to setup a matrix with the LC when an electric field is applied to the electrodes.04-15-2010
20110216258DIFFERENTIAL AMPLIFIER CIRCUIT, DISPLAY PANEL DRIVER, AND DISPLAY DEVICE - A differential amplifying circuit includes first and second differential transistor pairs, first and second constant current sources, first and second current mirror circuits and first and second output transistors. The differential amplifying circuit also includes a feedback circuit configured to perform feed-back operations to the first and second current mirror circuits to restrain reduction of gate voltages of the output transistors. The constant current sources are configured to increase bias currents in response to reduction of the gate voltages of the output transistors.09-08-2011
20110216257ELECTRO-OPTICAL DEVICES USING DYNAMIC RECONFIGURATION OF EFFECTIVE ELECTRODE STRUCTURES - Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The frequency of a drive signal that generates an electric field in the device may be varied, and the frequency dependent material has different charge mobilities for the different frequencies. At a low charge mobility, the frequency dependent material has little effect on the existing electrode structures. However, at a high charge mobility, the frequency dependent material appears as an extension of the fixed electrodes, and may be used to change the effective electrode structure and, thereby, the spatial profile of the electric field. This, in turn, changes the optical properties of the liquid crystal, thus allowing the optical device to be frequency controllable.09-08-2011
20090279005DISPLAY APPARATUS - In a parallax barrier DV (Dual View) display apparatus, a TN (Twisted Nematic) liquid crystal display panel is adopted as a display device for display images. The TN liquid crystal display panel includes a pair of opposing substrates, a liquid crystal layer sandwiched therebetween, orientation films arranged to orient liquid crystal molecules constituting the liquid crystal layer, and electrodes arranged to independently apply electric fields to areas of the liquid crystal layer which correspond to respective pixels. The orientation films are oriented in such a manner that liquid crystal molecules in the aforesaid areas are oriented so that display directions of the pixels are parallel or substantially parallel to a viewing angle direction. This arrangement improves image separation capability in all display directions, in a DV (Dual View) display apparatus displaying different images in respective display directions, by a single display screen.11-12-2009
20090310046MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF - An MVA-LCD panel, including an active component array substrate, an opposite substrate and a liquid crystal layer disposed between is provided. The active component array substrate includes scan lines, data lines, control lines and pixel units. Each of the pixel units includes an active component, a domain division electrode (DDE) and a pixel electrode. The active component is electrically connected with the corresponding scan line and the corresponding data line, the DDE being electrically connected with the corresponding control line, the pixel electrode being electrically connected with the active component. The pixel electrode has first slits, and the first DDE are disposed under the first slits. The opposite substrate has a common electrode layer facing toward the active component array substrate. The common electrode layer includes second slits and at least a part of the second slits is disposed over the first domain division electrode.12-17-2009
20080211979Voltage boosting power supply circuit for monitoring charging voltage with predetermined voltage to detect boosted voltage, and boosted voltage control method - A power supply circuit of the present invention includes a voltage boosting capacitor, a first switch, a second switch, an addition comparison circuit, and a control circuit. The first switch charges the voltage boosting capacitor by applying a first voltage thereto. The second switch connects a second voltage serially to the voltage boosting capacitor that is already charged, thereby boosting the voltage therein. The addition comparison circuit adds up the voltage of the voltage boosting capacitor and the second voltage and compares the comparison result, with a predetermined threshold value. The control circuit controls the on/off state of the first switch according to the comparison result of the addition comparison circuit.09-04-2008
20090310045LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device includes first and second substrates facing and spaced apart from each other, each of the first and second substrates having a first sub-pixel region, a second sub-pixel region, a third sub-pixel region, a fourth sub-pixel region and a fifth sub-pixel region for adjusting a viewing angle, the first, second, third and fourth sub-pixel regions surrounding the fifth sub-pixel region; a liquid crystal layer between the first and second substrates; a plurality of first pixel electrodes in each of the first, second, third and fourth sub-pixel regions on the first substrate; a plurality of first common electrodes in each of the first, second, third and fourth sub-pixel regions on the first substrate, the plurality of first common electrodes alternating with the plurality of first pixel electrodes; a second pixel electrode in the fifth sub-pixel region on the first substrate; and a second common electrode in the fifth sub-pixel region on the second substrate, the second common electrode facing the second pixel electrode.12-17-2009
20090273724LIQUID CRYSTAL DISPLAY DEVICE - An operation of floating charged particles and an operation of dispersing charged particles in a liquid crystal layer are controlled by determining strengths of electric fields to be applied to a liquid crystal element in accordance with a state of irradiation of light from a light source of a liquid crystal display device.11-05-2009
20090284672Liquid Crystal Display and Method for Manufacturing the Same - A liquid crystal display includes a first substrate, a second substrate facing an inside surface of the first substrate with a predetermined interval therebetween, a first electrode and a second electrode formed on at least one of the first substrate and the second substrate, partitions formed between the first substrate and the second substrate and dividing the space between the first substrate and the second substrate into a plurality of sub-spaces, and an OCB mode liquid crystal filled in the sub-spaces. The liquid crystal display is driven through a change of a bend arrangement by applying a second voltage that is less than the first voltage between the first electrode and the second electrode after being transitioned from an initial splay arrangement to a bend arrangement by applying a first voltage between the first electrode and the second electrode.11-19-2009
20110170027LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device according to the present invention is constituted of a TFT substrate and an opposing substrate which are arranged so as to be opposite to each other with a liquid crystal layer interposed therebetween. In addition, in the liquid crystal layer, formed is a polymer into which a polymer component added to liquid crystal is polymerized, and which determines directions in which liquid crystal molecules tilt when voltage is applied. In the TFT substrate, formed are a sub picture element electrode directly connected to a TFT and a sub picture element electrode connected to the TFT through capacitive coupling. In each of these sub picture element electrodes, formed are slits extending in directions respectively at angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees to the X axis.07-14-2011
20080211978Controlling Shape and Direction of Light09-04-2008
20100103336HORIZONTAL ELECTRIC FIELD TYPE LIQUID CRYSTAL DISPLAY DEVICE - The invention discloses a horizontal electric field type liquid crystal display device having a plurality of pixels. Each pixel includes first and second electrodes disposed correspondingly on upper and lower surfaces of the substrate so as to change the orientation of liquid crystal molecules in the plane parallel to the substrate. Each pixel has a third electrode opposite the substrate. A liquid crystal layer containing liquid crystal molecules is sandwiched between the substrate and the third electrode. The first electrode and the third electrode can generate an electric field in the direction perpendicular to the substrate in the liquid crystal layer.04-29-2010
20080239178TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - A transflective LCD includes a LC layer sandwiched between a pair of substrates, and a pair of polarizing films. The LCD device includes a reflection area and a transmission area in each pixel, the transmission area having a reflection film. A retardation film has a first portion in the refection area between the reflection film and the LC layer, and a second portion in the transmission area between the LC layer and the rear polarizing film. The retardation film has a slow axis perpendicular to an initial orientation direction of the LC molecules upon absence of an applied voltage and perpendicular or parallel to the optical axis of the front polarizing film. The orientation of the LC molecules upon display of a dark state has a direction different between the reflection area and the transmission area.10-02-2008
20110267552BI-STABLE CHIRAL SPLAY NEMATIC MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A method of driving a bi-stable chiral splay nematic mode liquid crystal display device including first and second substrates, a liquid crystal layer between the first and second substrates, first and second reset electrodes on one of inner surfaces of the first and second substrates, a pixel electrode on the inner surface of the first substrate and a common electrode on the inner surface of the second substrate includes: applying a data voltage and a common voltage to the pixel electrode and the common electrode, respectively, such that a vertical electric field is generated and the liquid crystal layer transitions from a splay state to a π-twist state during a writing period; and floating the pixel electrode and the common electrode such that the liquid crystal layer keeps the π-twist state and displays a present image during a memory period.11-03-2011
20090102991Liquid Crystal Display Panel - A liquid crystal display panel is provided. The liquid crystal display panel includes a plurality of pixel units, a first common voltage region and a second common voltage region. The pixel units include a first group of pixel units and a second group of pixel units arranged in rows and columns. The first common voltage region carries a first alternating current thereon and is electrically connected to the first group of pixel units. The second common voltage region carries a second alternating current thereon and is electrically connected to the second group of pixel units.04-23-2009
20080303964Display substrate and liquid crystal display including the same - Provided are a display substrate capable of improving an afterimage phenomenon and a liquid crystal display (LCD) including the display substrate. The display substrate includes a substrate, a low-voltage pad which is formed on the substrate, a ground pad which is formed on the substrate and to which a ground voltage is applied, and a discharge pattern which is formed on the substrate and connects the low-voltage pad and the ground pad.12-11-2008
20120044433ELECTRO-OPTICAL DEVICE - In an active matrix semiconductor display device in which pixel TFTs and driver circuit TFT are formed on the same substrate in an integral manner, the cell gap is controlled by gap retaining members that are disposed between a pixel area and driver circuit areas. This makes it possible to provide a uniform cell thickness profile over the entire semiconductor display device. Further, since conventional grainy spacers are not used, stress is not imposed on the driver circuit TFTs when a TFT substrate and an opposed substrate are bonded together. This prevents the driver circuit TFTs from being damaged.02-23-2012
20080266473Liquid Crystal Optical Element - A first electrode of a liquid crystal cell (10-30-2008
20130120677TEMPERATURE CONTROL METHOD AND APPARATUS FOR LIGHT EMITTING DIODE AND LIQUID CRYSTAL DISPLAY - A temperature control method for light emitting diode (LED) is disclosed, and the method comprises the following steps: acquiring the present temperature of the LED during the light emission of the LED; obtaining a driving electric current corresponding to the present temperature based on the present temperature of the LED; and driving the LED based on the driving electric current. This invention further discloses a temperature control device for the LED and a liquid crystal display.05-16-2013
20090027577LIQUID CRYSTAL DISPLAY ELEMENT, ELECTRONIC PAPER HAVING THE SAME, AND IMAGE PROCESSING METHOD - The liquid crystal display element includes a display unit having a liquid crystal layer forming a cholesteric phase and another liquid crystal layer formed on a display surface side of the liquid crystal layer. The element further includes a control unit for converting an input gray level value of input image data into a first display gray level value to generate first display image data to be displayed by the first liquid crystal layer and converting an input gray level value of the input image data into a second display gray level value different from the first display gray level value to generate second display image data to be displayed by the second liquid crystal layer.01-29-2009
20120069256PIXEL STRUCTURE, VERTICAL ALIGNMENT MODE LIQUID CRYSTAL DISPLAY DEVICE AND PIXEL DRIVING METHOD OF LIQUID CRYSTAL DISPLAY DEVICE - A pixel structure adapted to a vertical alignment (VA) mode liquid crystal display (LCD) device is provided. The pixel structure includes a plurality of comb-shaped electrodes and a plurality of pixel transistors. The comb-shaped electrodes are interdigitated in a pairwise manner and thereby constitute at least one comb-shaped electrode pair. The pixel transistors respectively are electrically coupled to the comb-shaped electrodes. The comb-shaped electrodes respectively are electrically coupled to receive a plurality of data voltages through the respective pixel transistors and whereby at least a part of the data voltages are different, and the data voltages received by the two comb-shaped electrodes of each comb-shaped electrode pair are different from each other. Moreover, a VA mode LCD device using the pixel structure and a pixel driving method adapted thereto are also provided.03-22-2012
20110221984LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a pair of substrates, at least one of which is transparent; a liquid crystal layer placed between the pair of substrates; an electrode group, formed on at least one of the pair of substrates, for applying an electric field to the liquid crystal layer; and an alignment control film placed on at least one of the pair of substrates, in which the alignment control film is formed of polyimide and a precursor of the polyimide, each of the polyimide and the precursor of the polyimide contains, as a material, a specific cyclobutanetetracarboxylic acid dianhydride derivative and aromatic diamine, and the alignment control film is provided with alignment capability by photo-alignment treatment.09-15-2011
20080316382DISPLAY DEVICE - Disclosed is a display device including: a display panel on which a plurality of driver chips are mounted by using a COG configuration; a signal substrate on which a timing controller for generating a differential signal inputted into each of the driver chips is formed; and a connecting substrate which connects the plurality of driver chips with the timing controller, wherein the connecting substrate includes a first connecting substrate on which a first line for inputting the differential signal into a driver chip excluding a driver chip located at a terminating area is formed and a second connecting substrate on which a second line for inputting the differential signal into the driver chip located at the terminating area, and wherein a termination resistor connects the second line for transmitting the differential signal which is formed on the second connecting substrate.12-25-2008
20090015742Liquid Crystal on Silicon Display Panel with Reducing Fringe Effect - A liquid crystal on silicon (LCOS) display panel with reducing fringe effect is provided herein. The liquid crystal on silicon display panel includes a common electrode, a semiconductor substrate having a plurality of pixel electrodes and control electrodes, a passivation layer on the pixel electrodes and a part of the semiconductor substrate, an anti-reflection coating (ARC) layers on the control electrodes, a transparent substrate on the semiconductor substrate, and a liquid crystal layer between the transparent substrate and the semiconductor substrate, wherein each of the control electrodes is disposed between and isolated with two adjacent ones of the pixel electrodes.01-15-2009
20110141384LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device which can obviate cutting off of a peripheral region of the liquid crystal display device which is provided with an inspection circuit and can surely perform the inspection of an image display even when the peripheral region is narrowed. On a substrate of the liquid crystal display device, a pixel region which is comprised of a plurality of gate lines and a plurality of drain lines and a peripheral region which surrounds the pixel region are formed. A turn-on inspection terminal of the liquid crystal display device are formed on the peripheral region and a semiconductor chip for driving liquid crystal is formed on the inspection terminal. The semiconductor chip is electrically insulated from the inspection terminal.06-16-2011
20090051836Display Unit - A display device includes a liquid crystal layer having opposing principal faces; a plurality of electrodes; and an illuminator for emitting light toward one of the principal faces of the liquid crystal layer. When a predetermined voltage is applied, the liquid crystal layer forms an intermediate layer containing liquid crystal molecules which are oriented in a different direction from that of the liquid crystal molecules in an anchoring layer, and causes linearly-polarized light which has been transmitted through the anchoring layer to be refracted toward the one principal face in or near the intermediate layer. White is displayed while no voltage is applied across the liquid crystal layer, and black displaying is conducted while a voltage is applied across the liquid crystal layer.02-26-2009
20110141385LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: first and second substrates facing and spaced apart from each other; a pixel electrode and a common electrode on an inner surface of the first substrate, the pixel electrode and the common electrode generating a horizontal electric field; a liquid crystal layer between the first and second substrates, wherein the liquid crystal layer includes a plurality of chiral nematic liquid crystal molecules having a helical axis parallel to a z direction normal to the first substrate and driven by the horizontal electric field, and wherein refractive indices of the liquid crystal layer along x and y directions (n06-16-2011
20090066866Liquid crystal display apparatus - Disclosed herein is a liquid crystal display apparatus, including: a liquid crystal panel having a display region for displaying an image and having a plurality of pixels disposed in the region; and a pair of first and second polarizing plates provided in an opposing relationship to each other through the display region; the liquid crystal panel including a first substrate, a second substrate opposed in a spaced relationship to the first substrate, and a liquid crystal layer sandwiched by and between the first and second substrates and oriented.03-12-2009
20110228186DISPLAY APPARATUS INCLUDING TRANSFORMERS - A display apparatus includes a display panel, a transformer disposed under the display panel and including a primary winding and a secondary winding which are separated from each other and an insulating section between the primary winding and the secondary winding, and a lower housing member on which the display panel is placed and to which the transformer is fixed. A first region corresponding to the insulating section of the transformer is defined in the lower housing member, and at least one hole is disposed in the first region of the lower housing member.09-22-2011
20110221985LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - In order to prevent dielectric breakdown of TFT or an interlayer insulating film by static electricity with a reduced area at low cost, a liquid crystal display device has a configuration in which an interlayer insulating film and an a-Si film are formed in a display area and a control area inside terminals. Image signal lines and scan lines are insulated from each other through the interlayer insulating film and a-Si film in their intersections. On the other hand, only the interlayer insulating film is formed between static electricity protection lines and an earth line outside the terminals. When static electricity is induced, dielectric breakdown is caused to occur in the area outside the terminals. Thus, the display area and the control area are protected from the static electricity.09-15-2011
20090213285DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device includes a first substrate including a protrusion electrode pattern, a second substrate disposed opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The protrusion electrode pattern is made of a conductive polymer material, and a state of the liquid crystal layer changes from an isotropic state to an anisotropic state when an electric field is applied.08-27-2009
20090213284Method for improving image sticking of liquid crystal displays - Improving image sticking of a liquid crystal display (LCD) including a plurality of pixels, each of which includes a first subpixel and a second subpixel, includes driving the first subpixels of the pixels with a first optimized common voltage, driving the second subpixels of the pixels with a second optimized common voltage, and driving the LCD with a panel voltage. The panel voltage is between the first and the second optimized common voltages.08-27-2009
20120169951VERTICALLY ALIGNED LCDS AND METHODS FOR DRIVING THE SAME - The disclosed are methods for driving a vertically aligned (VA) LCD. The VALCD has an array substrate, an opposite substrate, and a liquid crystal layer disposed therebetween. The array substrate includes a common line, the opposite substrate includes a common electrode layer, and the liquid crystal layer has a threshold voltage. The common line is applied a higher positive voltage and the common electrode layer is applied a lower positive voltage, such that negative impurities are adsorbed on the common line. As such, image sticking problems are reduced.07-05-2012
20120105754TFT-LCD, MANUFACTURING METHOD AND DRIVING METHOD THEREOF - Embodiments of the disclosed technology provide a TFT-LCD and manufacturing method and driving method thereof. The TFT-LCD comprises a color filter substrate, an array substrate, and a liquid crystal layer sandwiched between the color filter substrate and the array substrate. A first strip-like electrode and a second strip-like electrode are formed in the area of a black matrix on the color filter substrate, an area surrounded by the first strip-like electrode and the second strip-like electrode comprises at least one sub-pixel area, and the first strip-like electrode and second strip-like electrode are electrically insulated from each other.05-03-2012
20120105753LIQUID CRYSTAL LENS ARRAY DEVICE, DRIVING METHOD THEREOF AND IMAGE DISPLAY DEVICE - A liquid crystal lens array device includes: a first electrode; a plurality of second electrodes arranged to face the first electrode, to which drive voltages having waveforms with phase differences therebetween are applied; and a liquid crystal layer arranged between the first electrode and the plural second electrodes, generating lens effects in accordance with potential differences between the drive voltage applied to the first electrode and drive voltages applied to the plural second electrodes.05-03-2012
20120105752LIQUID CRYSTAL DISPLAY WITH INTEGRATED TOUCH SCREEN PANEL AND DRIVING METHOD THEREOF - A liquid crystal display (LCD) with an integrated touch screen panel includes a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, the gate lines being divided into a plurality of groups, a plurality of sensing electrodes, a plurality of common electrodes divided into a plurality of groups, a common electrode driver configured to simultaneously supply a driving signal to common electrodes within each group of the plurality of groups of the common electrodes, and to sequentially supply the driving signal to the plurality of groups of the common electrodes, and a gate driver configured to sequentially supply a gate signal to gate lines within each of the plurality of group of the gate lines.05-03-2012
20120105751BLUE PHASE LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY - A display panel comprises a first and a second substrates and a BP liquid crystal layer. A first electrode is provided on the first substrate, a second electrode is provided on the second substrate, and reflection portions each having a first and a second reflection surfaces are provided between the first and second substrates. When light is transmitted to the panel, the light is reflected on the first reflection surface of the reflection portion and the light after the first reflection is transmitted to an adjacent reflection portion through the liquid crystal layer and is reflected on the second reflection surface of the adjacent reflection portion. When different voltages are applied, the liquid crystal layer will shift the phase position of the light passing therethrough, while when there is no voltage, the liquid crystal layer will not shift the phase position of the light passing therethrough.05-03-2012
20110109825LIQUID CRYSTAL DISPLAY AND THIN FILM TRANSISTOR ARRAY PANEL THEREFOR - A liquid crystal display includes a first substrate including a first electrode and a second electrode formed thereon, a second substrate including a third electrode formed thereon, wherein the second substrate is spaced apart from the first substrate by a gap, and at least one cutout formed in the third electrode, wherein the at least one cutout is aligned with a space between the first and second electrodes.05-12-2011
20100157182Liquid crystal display device - The liquid crystal display device of this invention includes a plurality of picture element regions each defined by a first electrode provided on a face of a first substrate facing a liquid crystal layer and a second electrode provided on a second substrate so as to oppose the first electrode via the liquid crystal layer sandwiched therebetween. In each of the picture element regions, the first electrode has a plurality of openings and a solid portion, the liquid crystal layer is in a vertical orientation state when no voltage is applied between the first electrode and the second electrode, and when a voltage is applied between the first electrode and the second electrode, a plurality of liquid crystal domains each in a radially-inclined orientation state are respectively formed in the plurality of openings and the solid portion by inclined electrode fields generated at respective edge portions of the openings of the first electrode.06-24-2010
20100157181LENS ARRAY DEVICE AND IMAGE DISPLAY - The lens array device includes: first and second substrates; a first electrode group formed on the first substrate to include transparent electrodes extending in a first direction; a second electrode group formed on the second substrate to include transparent electrodes extending in a second direction; and a liquid crystal layer with refractive index anisotropy arranged between the first and second substrates to produce a lens effect by changing the liquid crystal molecule alignment. The liquid crystal layer electrically changes into one of three states according to voltages applied to the first and second electrode groups. The three states include a state with no lens effect, a first lens state where a lens effect of a first cylindrical lens extending in the first direction is produced, and a second lens state where a lens effect of a second cylindrical lens extending in the second direction is produced.06-24-2010
20100002158LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY DEVICE, AND DISPLAY METHOD OF LIQUID CRYSTAL PANEL - A liquid crystal panel (01-07-2010
20100002156ACTIVE DEVICE ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF - An active device array substrate includes a number of scan lines, a number of data lines perpendicular to the scan lines, and a number of pixel regions. Each of the pixel regions includes a number of pixel sets arranged along a direction of the data lines. Each of the pixel sets has a number of adjacent pixels arranged along the direction of the data lines. The pixels in each of the pixel sets are electrically connected to the same data line. Each of the scan lines is separately arranged between the pixels. The data lines corresponding to the same pixel region are adjacent to one another and arranged at the same side of the pixel region.01-07-2010
20100165223LIQUID CRYSTALS AND LIQUID CRYSTAL DISPLAY APPARATUS EMPLOYING THE SAME - A liquid crystal includes about 50 wt % to about 65 wt % of a negative compound material, and about 40 wt % to about 50 wt % of a neutral compound material. A liquid crystal display apparatus comprises a first substrate having a pixel area, a second substrate facing the first substrate, and a plurality of liquid crystals disposed between the first substrate and the second substrate, wherein each liquid crystal comprises about 50 wt % to about 65 wt % of a negative compound material having a dielectric anisotropy of a negative polarity, and about 40 wt % to about 50 wt % of a neutral compound material.07-01-2010
20100182521LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - A liquid crystal display device includes: a plurality of pixel electrodes formed of a frame-shaped connection electrode and electrode bodies arranged in parallel to one another in a frame of the connection electrode and supported by and connected to the connection electrode; and a common electrode insulated from the plurality of pixel electrodes.07-22-2010
20100014011Mutistable Reflective Liquid Crystal Device - A multistable liquid crystal device having liquid crystal molecules in one or more cavities, wherein at least one liquid crystal region of high distortion (01-21-2010
20100220252ELECTRO-OPTICAL LIGHT MODULATION ELEMENT, DISPLAY AND MEDIUM - The present invention relates to an electro-optical light modulation element and to electro-optical displays and display systems, such as television screens and computer monitors, containing elements of this type. The light modulation elements according to the invention contain a mesogenic modulation medium which is in the isotropic phase during operation of the light modulation elements and are particularly distinguished by very short response times in addition to good contrast and low viewing-angle dependence. The mesogenic modulation media used in the electro-optical light modulation elements are likewise a subject-matter of the present invention.09-02-2010
20120194754LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING SAME - There is disclosed a lightweight and small liquid crystal display which achieves low power consumption and in which the optical anisotropy of the liquid crystal material is compensated for in order to enhance the viewing angle characteristics and the response speed of the liquid crystal material. Display electrodes and a common electrode are formed on one of the substrates. The orientation of the liquid crystal material is of the HAN (hybrid alignment nematic) type. This compensates for the optical anisotropy of the liquid crystal material and improves the response speed.08-02-2012
20110032441Segmented polarization control panel - This disclosure describes stereoscopic flat panel display systems based on the polarization encoding of sequentially displayed left and right eye images. The systems comprise line-by-line addressed liquid crystal display (LCD) panels, illuminating back light units and polarization control panels (PCPs). Right and left eye images are written sequentially onto the LCD whose polarization is controlled by a substantially synchronously driven PCP. The backlight may be continuously illuminated, or modulated temporally, spatially or both, as can the PCP.02-10-2011
20100302470Planar nematic liquid crystal cells doped with nanoparticles and methods of inducing a freedericksz transition - Nematic liquid crystal cells with positive dielectric anisotropy that include colloidal suspensions having nanoclusters (e.g., CdTe nanoclusters, CdSe nanoclusters) that include a pure monolayer of ligands are provided as well as methods of inducing Freedericksz transitions in the nematic liquid crystal cells and methods of controlling the alignment of a liquid crystal.12-02-2010
20130135544OPTICALLY ISOTROPIC LIQUID CRYSTAL MEDIUM AND OPTICAL DEVICE - A liquid crystal composition is described, which exhibits an optically isotropic liquid crystal phase and contains an achiral component T and a chiral dopant. The achiral component T contains, as its first component, at least one compound selected from compounds represented by formula (1) in an amount of 32 wt % to 85 wt %,05-30-2013
20130141655Common Transparent Electrode for Reduced Voltage Displays - The present invention relates to a display comprising, in order, a support, a first patterned conductor, a first level of electrically modulated imaging material, a coextensive common electrode conductor, a second level of electrically modulated imaging material, and a second patterned conductor and a method of imaging the display.06-06-2013
20100315568Liquid crystal devices and methods providing fast switching mode - A liquid crystal device includes carbon nanotube-doped liquid crystal materials that have a fast switching mode. The liquid crystals may be nematic liquid crystals contained in an optically controlled birefringence cell, with a small amount of nanotubes relative to the liquid crystals. The cell may operate between an optical bend state and homeotropic state, where the liquid crystals aligning in a bend state in response to low voltage and transform to a homeotropic state in response to high voltage. The cell may capable of a large change in effective birefringence, or variable effective birefringence enabling self-compensated optical retardation. The liquid crystals may be included with an electro-optical film, which may be formed with polymer encapsulated liquid crystals with the inclusion of at least a small amount of nanotubes sufficient to induce homogeneous liquid crystal dispersion. The electro-optical film may be fabricated by lamination or otherwise onto a substrate.12-16-2010
20090244415LIQUID CRYSTAL OPTICAL MODULATION ELEMENT, LIQUID CRYSTAL OPTICAL MODULATION DEVICE AND METHOD FOR DRIVING LIQUID CRYSTAL OPTICAL MODULATION ELEMENT - A liquid crystal spatial light modulator for adjusting an optical signal is configured in such a manner that a region of one element is partitioned into two regions so as to perform intensity modulation in one region and phase modulation in the other region. Since the region for performing the intensity modulation and the region for performing the phase modulation can be formed by partitioning one region of the liquid crystal spatial light modulator, only one element allows adjusting functions, both the optical signal intensity modulation and phase modulation.10-01-2009
20110025935LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device capable of decreasing the driving voltage of a liquid crystal display panel. The liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a pixel electrode and a common electrode arranged between the second substrate and the liquid crystal layer. Either one of the pixel electrode or the common electrode has an interdigital shape. An absolute value of both flexoelectric coefficients e02-03-2011
20090066865SIGNAL GENERATION APPARATUS FOR LIQUID CRYSTAL DISPLAY DEVICE - A signal generation apparatus for a liquid crystal display device includes a pingpong frame controller (PFC) for generating and outputting a signal alternating at intervals of two frames using a signal having a blank period for discrimination between frames, a pingpong line controller (PLC) for generating and outputting a signal alternating at intervals of two lines using the signal having the blank period, and a pingpong control (PPC) signal generator for performing a logic operation with respect to the output signal from the PLC and the output signal from the PFC to generate a pingpong control signal. Therefore, it is possible to generate the pingpong control signal for offset removal without an additional wiring for a frame indication signal on a PCB, thereby not only curtailing a production cost, but also reducing circuit complexity and providing a picture of excellent quality.03-12-2009
20110109823METHOD AND APPARATUS FOR SPATIALLY MODULATED ELECTRIC FIELD GENERATION AND ELECTRO-OPTICAL TUNING USING LIQUID CRYSTALS - A variable optical device for controlling the propagation of light has a liquid crystal layer (05-12-2011
20110019113LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a transflective liquid crystal display device having a high aperture ratio. The present invention is a liquid crystal display device, comprising: 01-27-2011
20110109822LIQUID CRYSTAL DISPLAY ELEMENT, METHOD OF MANUFACTURING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display element includes: a liquid crystal layer including liquid crystal material reflecting light having a certain wavelength; and an electrode layer configured to apply a driving voltage to the liquid crystal material, wherein an alignment direction of first liquid crystal molecules of the liquid crystal material is a first direction substantially parallel to a liquid crystal display surface.05-12-2011
20110115995BEND ALIGNMENT TYPE LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a liquid crystal layer sealed between a first substrate and a second substrate opposed to each other. Inner surfaces of the first and second substrates have been subjected to aligning treatment to splay-align liquid crystal molecules. The liquid crystal display further includes electrodes formed on the inner surfaces of the first and second substrates to generate an alignment transition electric field to cause the liquid crystal molecules to transit from splay alignment to bend alignment. The alignment transition electric field includes a vertical electric field in the thickness direction of the liquid crystal layer, and a horizontal electric field in a direction parallel to the inner surfaces of the first and second substrates to twist the liquid crystal molecules between the substrates.05-19-2011
20090033813MULTI-DOMAIN LIQUID CRYSTAL DISPLAY - A multi-domain liquid crystal display (LCD) including an active device array substrate, an opposite substrate, an electric field shielding layer, and a liquid crystal layer is provided. The active device array substrate has a plurality of pixels, wherein each pixel has a pixel electrode. The opposite substrate has a common electrode disposed between the opposite substrate and the active device array substrate. The electric field shielding layer is disposed on a part of each pixel electrode. The liquid crystal layer is disposed between the active device array substrate and the opposite substrate. The liquid crystal layer corresponding to each pixel is divided into a low-voltage domain and a high-voltage domain having the same cell gap, wherein the position of the electric field shielding layer is corresponding to the position of the low-voltage domain. Color shift of the multi-domain LCD is improved effectively at oblique viewing angles.02-05-2009
20110085097MASK FOR PHOTOALIGNING AN ALIGNEMENT LAYER, PHOTOALIGNMENT METHOD USING THE SAME, AND LIQUID CRYSTAL DISPLAY HAVING THE PHOTOALIGNED ALIGNEMENT LAYER - A wide variety of different alignment polar angles can be created in the alignment layers of a liquid crystal display with just a small number of UV exposure steps by using one or a combination of overlappable UV masks, where the one or more combinations of overlappable UV masks simultaneously define a maximal transmission region, an intermediate transmission region and a nontransmitting (blocking) region. UV rays are irradiated through masks in different irradiation directions while the mask or masks are disposed in different orientations.04-14-2011
20110249206LIQUID CRYSTAL LENS - A liquid crystal lens including a first substrate, a first electrode layer, a liquid crystal layer and a second electrode layer is provided. The second electrode layer includes a plurality of first electrode patterns and a plurality of second electrode patterns. The second electrode patterns are opposite to the first electrode patterns, respectively, and the second electrode patterns and the first electrode patterns are alternately arranged. A square measure of first or second electrode patterns decreases from an edge of the liquid crystal lens to a center of the liquid crystal lens, so that a resistance of the first or second electrode patterns increases from the edge to the center of the liquid crystal lens.10-13-2011
20100053483LIQUID CRYSTAL DISPLAY PANEL AND PIXEL STRUCTURE THEREOF - A pixel structure includes at least a pixel electrode, and at least an aligning electrode. The pixel electrode, which has a central opening, is disposed on a substrate. The aligning electrode, which is disposed between the pixel electrode and substrate, includes an aligning part disposed under and corresponding to the central part of the pixel electrode. The aligning voltage applied to the aligning electrode is greater than the pixel voltage applied to the pixel electrode.03-04-2010
20110176077DRIVING METHODS FOR CHOLESTERIC LIQUID CRYSTAL DISPLAY DEVICES - Driving methods for cholesteric liquid crystal display devices are provided. The driving method includes providing a cholesteric liquid crystal display, wherein the capacitance detector corresponds to a driving module; outputting a capacitance sensing voltage waveform from the driving module to the cholesteric liquid crystal display panel such that a capacitance value of the cholesteric liquid crystal layer is acquired and stored in the memory; and when the capacitance value falls in a capacitance range of a second displaying state, the capacitance detector outputs a second sensing result, and when the capacitance value falls in a capacitance range of a first displaying state, the capacitance detector outputs a first sensing result.07-21-2011
20100128189DISPLAY DEVICE, METHOD FOR DRIVING THE SAME, AND ELECTRONIC DEVICE - A display device includes a plurality of pixel electrodes, a first common electrode arranged on an insulation layer which covers the plurality of pixel electrodes, the first common electrode being a comb-like electrode, and a second common electrode placed opposite the first common electrode across a liquid crystal layer, the second common electrode being voltage-controlled independently of the first common electrode.05-27-2010
20110069243LIQUID CRYSTAL OPTICAL LENS AND MANUFACTURING METHOD THEREOF, LENS APPARATUS USING LIQUID CRYSTAL OPTICAL LENS - A liquid crystal optical lens including a first and a second device substrate and a liquid crystal layer is provided. A first electrode layer and a plurality of first stacked layers are sequent stacked on the first device substrate. Each first stacked layer has a first opening exposing the first electrode layer and includes a first conductive layer and a first insulating layer located between the first conductive layer and the first electrode layer. A second electrode layer and a plurality of second stacked layers are sequent stacked on the second device substrate. Each second stacked layer has a second opening exposing the second electrode layer and including a second conductive layer and a second insulating layer located between the second conductive layer and the second electrode layer. A method for fabricating the liquid crystal optical lens and a lens apparatus using the liquid crystal optical lens are also provided.03-24-2011
20120120335ELECTRO-OPTICAL DEVICES USING DYNAMIC RECONFIGURATION OF EFFECTIVE ELECTRODE STRUCTURES - Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The frequency of a drive signal that generates an electric field in the device may be varied, and the frequency dependent material has different charge mobilities for the different frequencies. At a low charge mobility, the frequency dependent material has little effect on the existing electrode structures. However, at a high charge mobility, the frequency dependent material appears as an extension of the fixed electrodes, and may be used to change the effective electrode structure and, thereby, the spatial profile of the electric field. This, in turn, changes the optical properties of the liquid crystal, thus allowing the optical device to be frequency controllable.05-17-2012
20120120334LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display may include a first substrate, a second substrate facing the first substrate, a liquid crystal layer comprising liquid crystal molecules that are interposed between the first substrate and the second substrate, a first electrode disposed on the first substrate, an insulating layer disposed on the first electrode, a second electrode disposed on the insulating layer, a third electrode disposed on the second substrate, and an alignment layer disposed on any one of the second electrode and the third electrode. The second electrode comprises a fine slit structure, and at least one of the liquid crystal layer and the alignment layer comprises a sub-alignment substance.05-17-2012
20120120333LIQUID CRYSTAL LENS, CONTROLLING METHOD THEREOF AND 3D DISPLAY USING THE SAME - The present disclosure provides a liquid crystal lens, a controlling method thereof and a 3-Dimensional (3D) display using the same. The liquid crystal lens includes a pair of electrode structures which are arranged apart from each other; and a liquid crystal layer which is arranged between the pair of electrode structures and includes a plurality of liquid crystal molecules aligned in an initial aligning direction in which the liquid crystal layer has a non-lens effect. The pair of electrode structures are arranged to generate a first electric field which is used to change aligning directions of the liquid crystal molecules to make the liquid crystal layer have a lens effect. The pair of electrode structures are further arranged to generate a second electric field which is used to make the liquid crystal molecules revert to the initial aligning direction.05-17-2012
20090027576LIQUID CRYSTAL DISPLAY DEVICE - A device includes a first substrate including a pixel electrode and an underlayer electrode a part of which is opposed to the pixel electrode, a second substrate including a counter-electrode which is opposed to the pixel electrode, and a layer which is held between the first and the second substrate, and which is in a first state prior to power-on and transitions to a second state, at a time of a display operation, wherein the pixel electrode includes a first part that passes light and a second part that reflects light, the second part includes a projection which is opposed to the counter-electrode, and a transverse electric field generating section, which is provided near the projection so as to generate a transverse electric field between the underlayer electrode and the second part, is disposed at an end portion of the second part, which is opposed to the underlying electrode.01-29-2009
20110069244VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAY DEVICE - A vertical alignment liquid crystal display device includes a number of pixel regions. Each pixel region includes a lower substrate unit and an upper substrate unit having an upper glass layer, a first protrusion and a second protrusion formed on the upper glass layer, and a conductive layer formed on the second protrusion. Each of the first and second protrusions includes two uneven sections. A first potential difference is applied between the upper glass layer and the lower substrate unit, and a second potential difference, being independent from the first potential difference, is applied between the conductive layer formed on the second protrusion and the lower substrate unit.03-24-2011
20110069245OPTICALLY ISOTROPIC LIQUID CRYSTALLINE MEDIUM, AND OPTICAL ELEMENT - A liquid crystal medium having a wide temperature range of a liquid crystal phase, a large optical anisotropy, and a large dielectric anisotropy and having an optically isotropic liquid crystal phase is provided. The liquid crystal medium is characterized by containing a liquid crystal compound having a pyrimidine ring and a linking group —CF03-24-2011
20120200795LIQUID CRYSTAL DISPLAY DEVICE - To provide a vertical alignment liquid crystal display device capable of achieving a high-definition image display. Tilt directions of liquid crystal molecules when a voltage is applied are within a plane that is in parallel to a border between a first pixel and a second pixel, and are different by 180 degrees between the first and second pixels. The first pixel is constituted with three sub-pixels for R, G, and B arranged in a direction in parallel to the border. Similarly, the second pixel is constituted with three sub-pixels for R, G, and B. The tilt directions of the liquid crystal molecules when a voltage is applied are different by 180 degrees from each other between the sub-pixels for R of the first and second pixels, between the sub-pixels for G of the first and second pixels, and between the sub-pixels for B of the first and second pixels.08-09-2012
20110043717Low voltage liquid crystal lens with variable focal length - Disclosed herein is a liquid crystal lens with a variable focal length. The gradient profile of the liquid crystals molecules that causes the gradient profile of the refractive index is achieved by inducing non-uniformly distributed anchoring energy and an external electric or magnetic field applied to the liquid crystal layer. Unlike existing electrically controlled liquid crystal lens, the external electric or magnetic field has a uniform spatial distribution within the liquid crystal layer. The focal length of the liquid crystal lens is controlled via the non-uniformly distributed anchoring energy and by varying the uniformly distributed electric or magnetic field.02-24-2011
20100296014LCD APPARATUS - The disclosed subject matter can include an LCD apparatus having a high visual quality. The LCD apparatus can include a first substrate including a plurality of first electrodes connecting to first wiring lines that are located on a first surface thereof, and a second substrate including a plurality of second electrodes connecting to second wiring lines that are located on a second surface thereof. A liquid crystal layer can be disposed between the first and second surfaces, wherein at least one of the first wiring lines partially intersects with at least one of the second wiring lines. Impedance variations among the first and second electrodes can be reduced by adjusting the area of an intersecting region of the wiring lines, and thereby display variations among display patterns between the first and second electrodes can be reduced. Thus, the disclosed subject matter can provide an LCD apparatus having a high visual quality.11-25-2010
20100296013PANEL - A panel is disclosed in the present invention. The panel includes at least a liquid crystal layer, at least a first electrode layer, at least a second electrode layer and at least two control electrodes. The liquid crystal layer includes a plurality of liquid crystal molecules. The first electrode layer is disposed in a first direction with respect to the liquid crystal layer. The first electrode layer includes a plurality of etching structures and a plurality of conducting structures. The second electrode layer is also disposed in the first direction with respect to the liquid crystal layer. The two control electrodes are disposed in a second direction with respect to the liquid crystal layer. The two control electrodes are utilized to generate an electric field substantially distributing along the second direction to control operations of the plurality of liquid crystal molecules.11-25-2010
20090109356LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD FOR THE SAME - A liquid crystal display device of the present invention includes a TFT substrate having a substrate and a display pixel arranged in a matrix form on the substrate, a counter substrate opposed to the TFT substrate and being stuck therewith and a liquid crystal enclosed between the TFT substrate and the counter substrate, the pixel electrode and the first common electrode are arranged so that an electric field along a principal plane of the TFT substrate can be applied to the liquid crystal, a second common electrode for inputting a common electric potential is formed on the counter substrate, the second common electrode is opposed to the first common electrode, and a conduction part for electrically connecting the second common electrode and the first common electrode mutually and transmitting the common electric potential to the first common electrode is formed near each display pixel or near a predetermined display pixel.04-30-2009
20080204614Liquid crystal display device - A liquid crystal display device includes an upper electrode and a lower electrode interposing an insulation layer therebetween, wherein an electric field opening part for passing an electric field is formed in the upper electrode and liquid crystal molecules are driven by applying a voltage between the lower electrode and the upper electrode, wherein a window-shaped opening part formed by partially removing the lower electrode for connecting an upper electrode wiring and the upper electrode, which interpose an interlayer insulation film therebetween, together is disposed in a lower part of the lower electrode, and wherein one end portion of the electric field opening part in the longitudinal direction around the window-shaped opening part is disposed to be overlapped with the window-shaped opening part in a plan view.08-28-2008
20080204613LIQUID CRYSTAL DISPLAY AND METHOD THEREOF - A liquid crystal display (“LCD”) capable of improving display quality includes a first insulating substrate, gate wiring lines formed on the first insulating substrate and extending in a first direction, data wiring lines insulated from and crossing the gate wiring lines and extending in a second direction, and pixel electrodes, each of which includes first and second sub-pixel electrodes that are applied with different data voltages from the data wiring lines, in which at least a part of the second sub-pixel electrode overlaps the data wiring lines.08-28-2008
20110187950LIQUID CRYSTAL DISPLAY PANEL AND ELECTRONIC APPARATUS - A liquid crystal display panel includes: a first substrate and a second substrate disposed so as to face each other with a liquid crystal layer being held between the first substrate and the second substrate, a first electrode and a second electrode across which an electric field is applied to the liquid crystal layer being formed on the first substrate, a subpixel for display and a subpixel for control of a view angle being disposed on the same electrode, in which a plurality of slit-like openings are formed in the second electrode in the subpixel for control of a view angle, and a light blocking member is formed in a central position of a width of each of the plurality of slit-like openings in terms of planar view.08-04-2011
20110187951LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes a first insulating substrate and a second insulating substrate opposing the first insulating substrate. An electric power supply line formed along a perimeter of the first insulating substrate, and an electric power supply pad is arranged at a corner portion of the first insulating substrate apart from the electric power supply line. A plurality of signal lines are formed crossing between the electric power supply line and the electric power supply pad. An insulating layer covers the signal lines, and a connection electrode is arranged on the insulating layer for connecting the electric power supply line and the electric power supply pad. At least one slit is formed in the connection electrode extending in a direction so as to cross the signal lines. An electrically conductive element connects the electric power supply pad with a counter electrode.08-04-2011
20110134348LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a TBA-mode transflective liquid crystal display device in which components such as a multigap structure and a quarter-wave plate can be omitted. The liquid crystal display device includes: a first substrate and a second substrate that are disposed opposite each other; and a liquid crystal layer that is interposed between the first substrate and the second substrate, and having, in a pixel area, a reflective area where reflective display is performed and a transmissive area where transmissive display is performed, wherein the first substrate has a first electrode provided in the transmissive area and the reflective area, a second electrode provided in the transmissive area and disposed parallel to and opposite the first electrode inside the pixel area, and a third electrode provided in the reflective area and disposed parallel to and opposite the first electrode inside the pixel area, the liquid crystal layer includes a p-type nematic liquid crystal and is driven by an electric field generated at least one of between the first electrode and the second electrode and between the first electrode and the third electrode, the p-type nematic liquid crystal is aligned perpendicular to the first substrate and the second substrate when no voltage is applied, a distance between the first electrode and the third electrode is different from a distance between the first electrode and the second electrode, and mutually different common signals are input to the second electrode and the third electrode.06-09-2011
20110096256DISPLAY DEVICE - According to one embodiment of the invention, a display device comprises a display region including a plurality of pixel regions and a demarcating pattern of the pixel regions. The display device further comprises a first substrate having a first main surface; a plurality of first detection electrodes formed on the first main surface; and a plurality of second detection electrodes formed on the first main surface. The display device further comprises a plurality of first connection electrodes formed on the first main surface and a plurality of second connection electrodes formed on the first connection electrodes via the demarcating pattern. Each of the first connection electrodes connects the first detection electrodes adjacent to each other; and each of the second connection electrodes connects the second detection electrodes adjacent to each other.04-28-2011
20110096254Liquid Crystal Device - A liquid crystal device, comprising, at least, a pair of polarizing elements being disposed so that the transmission axes thereof are perpendicular to each other; a liquid crystal element disposed between the pair of polarizing elements; and voltage applying means for applying a voltage to the liquid crystal element. The liquid crystal element is such that it enables high-speed optical response, and the optical axis azimuth thereof is rotatable in response to the strength and/or direction of an electric field to be applied thereto. The voltage applying means is capable of controlling a voltage to be applied from the voltage applying means to the liquid crystal element, in response to the liquid crystal molecular alignment in the liquid crystal material. There is provided a liquid crystal device having a temperature-compensating function so as to achieve a good light-dark ratio.04-28-2011
20110096255LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display that includes a first substrate, a second substrate facing the first substrate, liquid crystal disposed between the first substrate and the second substrate, wherein the liquid crystal is isotropic when no electric field is applied to the liquid crystal, and the liquid crystal is anisotropic when an electric field is applied to the liquid crystal, and an inner polarization layer formed on an inner surface of at least one of the first substrate and the second substrate.04-28-2011
20100214502DISPLAY DEVICE HAVING COUNTER-TWISTING LIQUID CRYSTAL AREAS AND METHOD OF OPERATING AND MANUFACTURING THE SAME - A display apparatus, includes: a first substrate; a gate line formed over the first substrate; a data line traversing the gate line, and comprising a source electrode; a drain electrode facing the source electrode to define a channel area; a passivation layer formed over the data line and the drain electrode, and comprising an organic material; a pixel electrode formed over the passivation layer, and comprising a first stem electrode, at least a part of which is overlapped with the gate line or the data line, and a plurality of first branch electrodes contacted to the first stem electrode where one set of the first branch electrodes extend longitudinally in a direction different from the longitudinal extension direction of another set of the first branch electrodes so as to thereby cause opposed twisting of corresponding liquid crystal material.08-26-2010
20080218645LIQUID CRYSTAL DISPLAY - A display includes pixel circuits, each pixel circuit including a first electrode, a second electrode, a third electrode, and a liquid crystal layer doped with a chiral material. The first electric is electrically coupled to a first reference voltage. The second electrode receives a pixel voltage corresponding to a gray scale level, the second electrode including a conducting layer having openings. The third electrode is electrically coupled to a second reference voltage. The second electrode is between the first and third electrodes, and the liquid crystal layer is between the first and second electrodes.09-11-2008
20100060811LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING SAME - There is disclosed a lightweight and small liquid crystal display which achieves low power consumption and in which the optical anisotropy of the liquid crystal material is compensated for in order to enhance the viewing angle characteristics and the response speed of the liquid crystal material. Display electrodes and a common electrode are formed on one of the substrates. The orientation of the liquid crystal material is of the HAN (hybrid alignment nematic) type. This compensates for the optical anisotropy of the liquid crystal material and improves the response speed.03-11-2010
20120307169DISPLAY APPARATUS AND VARIABLE LENS ARRAY - A display apparatus includes: a display unit that displays a two-dimensional image; and a variable lens array disposed to face the display unit, wherein the variable lens array includes a first substrate having a transparent first common electrode, a second substrate having a transparent second common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate and forming liquid crystal lens columns, the liquid crystal layer is processed in such a way that liquid crystal molecules are so oriented that each of the liquid crystal lens columns produces refracting power in a state in which no potential difference is present between the first common electrode and the second common electrode, and a voltage applied between the first common electrode and the second common electrode controls the refracting power of each of the liquid crystal lens columns.12-06-2012
20090086115DISPLAY ELEMENT AND DISPLAY DEVICE - A display element has a arrangement that allows the pixel to have at least two domains in which the medium shows optical anisotropies of different directions when a force (for example, an electric field) is applied or when no force is applied. It is preferable that directions of the optical anisotropies occurred in the respective domains when the electric field is applied respectively have 45 degrees±10 degrees with absorption axes of polarizers, and that the directions of the optical anisotropies occurred in the respective domains when the electric field is applied make 90 degrees±20 degrees.04-02-2009
20120099039CHLOROBENZENE DERIVATIVE, OPTICALLY ISOTROPIC LIQUID CRYSTAL MEDIUM, AND OPTICAL DEVICE - A liquid crystal compound having a large refractive index anisotropy, a large dielectric anisotropy, and a low melting point, and a liquid crystal medium having a liquid crystal phase over a wide temperature range, a large refractive index anisotropy, a large dielectric anisotropy, and having an optically isotropic liquid crystal phase, are provided. The present invention is a liquid crystal compound having a chlorobenzene ring, and a liquid crystal medium characterized by containing the liquid crystal compound and a chiral reagent, and exhibiting an optically isotropic liquid crystal phase.04-26-2012
20120099037HIGH LIGHT TRANSMITTANCE IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY DEVICE - The present disclosure relates to a high light transmittance in-plane switching liquid crystal display device. The present disclosure suggests a horizontal electric field type liquid crystal display device comprising: a substrate; a plurality of gate lines disposed in horizontal direction on the substrate; a plurality of data lines disposed in vertical direction on the substrate; a plurality of pixel area defined by the crossing the plurality of the gate lines and the plurality of the data lines; a first pixel electrode having a plurality of segments arraying with a predetermined distance within the pixel area; a second pixel electrode having a plurality of segments arraying in parallel with the first pixel electrode within the pixel area; and a common electrode overlapping with the first pixel electrode and the second electrode within the pixel area.04-26-2012
20110304787ARRAY SUBSTRATE, LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - An array substrate is provided. The array substrate comprises a base substrate, a plurality of pixel units are provided on the base substrate in a matrix form, a common electrode and a pixel electrode are provided in each of the pixel units, the common electrode is connected with a common electrode line and the pixel electrode is connected with a data line through a switching element. The pixel units in the matrix form comprise a first pixel unit and a second pixel unit. When polarities of voltage difference between the pixel electrode and the common electrode in the first pixel unit is identical to that in the second pixel unit, the direction of an electric field formed between the pixel electrode and the common electrode and for driving liquid crystal molecules to display at a gray level in the first pixel unit is opposite to that in the second pixel unit.12-15-2011
20110304786DISPLAY SUBSTRATE - A display substrate includes a plurality of gate lines extending in a first direction and arranged in a second direction in a display area of the display substrate, an alignment film formed in the display area and in an end area adjacent to end portions of the gate lines in a peripheral area surrounding the display area, and a plurality of circuit stages formed in the end area to connect to the gate lines and a dummy stage connected to a last circuit stage of the circuit stages. Each of the circuit stages includes a gate driving circuit disposed at the higher portion the gate line corresponding to the circuit stages and a gate connecting line formed in the peripheral area between the display area and the gate driving circuit to connect each of the circuit stages with each of the gate lines.12-15-2011
20100214501IMAGE DISPLAY CAPABLE OF BEING AN ELECTRONIC CURTAIN - An image display comprises at least one display device having a first pair of transparent conductive layers, a second pair of transparent conductive layers spaced apart from the first pair transparent conductive layers, a display layer disposed between the first pair of transparent conductive layers, the display layer configured to display an image in response to a first set of voltages applied to the first pair of transparent conductive layers, and a light control layer disposed between the second pair of transparent conductive layers, the light control layer configured to operate in one of a transmissive mode to allow an incident light to pass toward the display layer and a reflective mode to reflect an incident light away from the display layer in response to a second set of voltages applied to the second pair of transparent conductive layers.08-26-2010
20110304785DISPLAYS WITH MINIMIZED CURTAIN MURA - Displays such as liquid crystal displays may be provided with structures that minimize curtain mura. A display may have upper and lower polarizers. A color filter layer and a thin film transistor layer may be located between the upper and lower polarizers. A liquid crystal layer may be interposed between the color filter layer and the thin film transistor layer. A first optical film layer that includes a birefringent compensating layer may be located between the upper polarizer and the color filter layer. A second optical film layer that is devoid of birefringent compensating layers may be located between the thin film transistor layer and the lower polarizer. A grid of metal signal lines may be used to distribute signals to thin film transistors on the thin film transistor layer. A black mask may be interposed between the grid of signal lines and the thin film transistor layer.12-15-2011
20110109824ELECTRO-OPTICAL DEVICES USING DYNAMIC RECONFIGURATION OF EFFECTIVE ELECTRODE STRUCTURES - Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The frequency of a drive signal that generates an electric field in the device may be varied, and the frequency dependent material has different charge mobilities for the different frequencies. At a low charge mobility, the frequency dependent material has little effect on the existing electrode structures. However, at a high charge mobility, the frequency dependent material appears as an extension of the fixed electrodes, and may be used to change the effective electrode structure and, thereby, the spatial profile of the electric field. This, in turn, changes the optical properties of the liquid crystal, thus allowing the optical device to be frequency controllable.05-12-2011
20120038842Phase Modulation Devices for Optical Applications - An optical phase modulation device having a layer of flexoelectro-optic effect liquid crystal material and electrode for applying an electric field to the layer of liquid crystal material. In this way, the optic axis of the liquid crystal layer can be deflected. This provides a phase shift to light transiting the liquid crystal layer. The substrate of the device is based on a liquid crystal over silicon (LCOS) microdisplay. The device is capable of providing multilevel phase shifts, e.g. for holographic displays.02-16-2012
20090015741LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display (LCD) comprises a gate line formed on a first insulation substrate and extending in a first direction; a data line insulated from the gate line and extending in a second direction; a pixel electrode comprising a first sub-pixel electrode connected to the gate line and the data line and a second sub-pixel electrode connected to the gate line and the data line; first and second voltage lines receiving a pair of voltages having opposite phases, from an external source; and first and second storage lines respectively overlapping the first and second sub-pixel electrodes and respectively receiving first and second storage voltages whose phases are inverted at a cycle of at least one frame, wherein the first storage line is connected to the first and second voltage lines by a first switching unit, the second storage line is connected to the first and second voltage lines by a second switching unit, and the first and second switching units apply the pair of voltages to the first and second storage lines as the first and second storage voltages.01-15-2009
20110063534LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - The LCD device of this invention comprises an LC panel having a plurality of pixels defined by a plurality of gate lines and data lines, one or more gate shorting bars disposed outside the LC panel, for applying a test signal to the LC panel through gate lines, first and second data shorting bars disposed outside the LC panel, for applying test signals to odd and even numbered data lines, respectively, an odd numbered data link line connected to the odd numbered data line, and spacing from the first data shorting bar by a predetermined distance, an even numbered data link line connected to the even numbered data line, and spacing from the second data shorting bar by a predetermined distance, and a connection line for electrically connecting the odd numbered data link line and the first data shorting bar with each other, and connecting the even numbered data link line and the second data shorting bar with each other through contact holes, wherein the odd numbered data link line has a length equal to that of the even numbered data link line.03-17-2011
20120044432PIXEL ARRAY SUBSTRATE, CONDUCTIVE STRUCTURE AND DISPLAY PANEL - A pixel array substrate includes a substrate having a display region and a non-display region, a pixel array in the display region, first and second lead lines, first pads in the non-display region, second pads in the non-display region and on a first insulating layer, and the first insulating layer. The first lead lines electrically connect the pixel array and extend from the display region to the non-display region. Each first pad electrically connects one corresponding first lead line. The first insulating layer covers the first lead lines and exposes the first pads. The second lead lines on the first insulating layer electrically connect the pixel array and extend from the display region to the non-display region. Each second pad electrically connects one corresponding second lead line. A distance between each first pad and the adjacent second pad along a horizontal direction is 10 um˜20 um.02-23-2012
20120013815LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display includes an insulation substrate; a gate line, a gate electrode, and a reference voltage line positioned on the insulation substrate; a reference electrode contacting the reference voltage line; a gate insulating layer disposed on the gate line and the reference electrode; a semiconductor disposed on the gate insulating layer and positioned on the gate electrode; a data line and a drain electrode disposed on the semiconductor; a passivation layer disposed on the data line and the drain electrode; and a pixel electrode connected to the drain electrode and overlapping the reference electrode.01-19-2012
20120013814Liquid Crystal Display Having Pairs of Power Source Supply Lines and a Method for Forming the Same - A liquid crystal display wherein a first power source supply line and a second power source supply line are respectively applied with a first voltage and a second voltage having a predetermined magnitude, and a first power source supply line and a second power source supply line are disposed as a pair between a first pixel electrode and a second pixel electrode. The first voltage and the second voltage may have different polarities.01-19-2012
20120057089WIRING STRUCTURE OF LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A wiring structure of a liquid crystal display device and a liquid crystal display device are disclosed. The wiring structure of the liquid crystal display device includes a substrate, plural electrical elements, and plural wirings. The electrical elements are disposed on the substrate to generate plural electrical signals. The wirings are coupled to the electrical elements to transmit the electrical signals. The wirings include inner wirings and an outermost peripheral wiring. The outermost peripheral wiring and the inner wirings have different wiring patterns. Each of the electrical elements is positioned at a side of the outermost peripheral wiring facing the center of the substrate. After the liquid crystal display device is cut and polished, by distinguishing the wiring patterns of both the outermost peripheral wiring and the inner wirings, the existence of the outermost peripheral wiring shows that the outermost peripheral wiring is not polished and removed.03-08-2012
20100103337LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DEVICE, REFLECTIVE DISPLAY MATERIAL, AND LIGHT MODULATING MATERIAL - The liquid crystal composition of the invention exhibits selective reflection and changes its selective reflection wavelength by a redox reaction induced by an electric field. The liquid crystal device of the invention has a pair of electrodes, at least one of which is a transparent electrode, and a liquid crystal layer containing the liquid crystal composition between the electrodes. The reflective display material and the light modulating material of the invention include the liquid crystal device described above.04-29-2010
20100110318LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a semi-transmissive or reflective liquid crystal display device in which gray scale inversion is suppressed by appropriately adjusting its voltage-reflection luminance characteristics. The liquid crystal display device of the present invention is a liquid crystal display device including: a pair of substrates; and a liquid crystal layer interposed between the pair of substrates, wherein the liquid crystal display device includes a transmission region and a reflection region, the reflection region includes a first section and a second section, a thickness of the liquid crystal layer in the first section is larger than half of but equal to or smaller than a thickness of the liquid crystal layer in the transmission region, and a thickness of the liquid crystal layer in the second section is larger than the thickness of the liquid crystal layer in the transmission region.05-06-2010
20120026419APPARATUS CONCEALING MEMBER, APPARATUS USING THE SAME, AND METHOD FOR CONCEALING PORTION TO BE CONCEALED OF APPARATUS - An apparatus concealing member capable of augmenting the concealing ability of a functional liquid crystal film and also realizing a necessary concealing ability for designs of various types of products without inducing radio-wave disturbances and the like. In an apparatus concealing member according to the present invention, a film-type information input device is placed under a film-type transparent base member, a functional liquid crystal film is placed under the information input device at a position where the functional liquid crystal film covers a portion to be concealed of an apparatus and can be electrically changed over between being transparent and being non-transparent, and a non-metal and film-type glossy layer is placed under the functional liquid crystal film and exhibits transparency and a gloss due to reflection.02-02-2012
20120062809SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - There is disclosed a semiconductor device and a method of fabricating the semiconductor device in which a heat treatment time required for crystal growth is shortened and a process is simplified. Two catalytic element introduction regions are arranged at both sides of one active layer and crystallization is made. A boundary portion where crystal growth from one catalytic element introduction region meets crystal growth from the other catalytic element introduction region is formed in a region which becomes a source region or drain region.03-15-2012
20120062807LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a first substrate; a second substrate facing the first substrate; an electrode portion formed on at least one of the first substrate and the second substrate, and configured to generate an electric field between the first substrate and the second substrate; and a liquid crystal film positioned between the first substrate and the second substrate, and at least one liquid crystal and an associated liquid crystal space in the liquid crystal film.03-15-2012
20120154699DISPLAYS WITH MINIMIZED CROSSTALK - Display ground plane structures may contain slits. Image pixel electrodes in the display may be arranged in rows and columns. Image pixels in the display may be controlled using gate lines that are associated with the rows and data lines that are associated with the columns. An electric field may be produced by each image pixel electrode that extends through a liquid crystal layer to an associated portion of the ground plane. The slits in the ground plane may have a slit width. Data lines may be located sufficiently below the ground plane and sufficiently out of alignment with the slits to minimize crosstalk from parasitic electric fields. A three-column inversion scheme may be used when driving data line signals into the display, so that pairs of pixels that straddle the slits are each driven with a common polarity. Gate line scanning patterns may be used that enhance display uniformity.06-21-2012
20130010219LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display (LCD) panel divided into a first area and a second area is provided. The first and second areas both include first sub-pixels and second sub-pixels. Each first sub-pixel provides a first main alignment vector; each second sub-pixel provides a second main alignment vector having a direction opposite to that of the first main alignment vector. The LCD panel has first sub-pixel units and second sub-pixel units arranged in arrays. Each first sub-pixel unit includes one first sub-pixel and one second sub-pixel sequentially arranged from top to bottom in a column direction. Each second sub-pixel unit includes one first sub-pixel and one second sub-pixel sequentially arranged from bottom to top in the column direction. In any one of the first area and the second area, multiple first sub-pixel units and multiple second sub-pixel units are arranged together in a same row.01-10-2013
20110090415TUNABLE LIQUID CRYSTAL OPTICAL DEVICE - A liquid crystal optical device has a layered structure with split liquid crystal layers having alignment surfaces that define in a liquid crystal material pre-tilt angles of opposite signs. Four liquid crystal layers can provide two directions of linear polarization. In the case of a lens, the device can be a gradient index lens, and the alignment surfaces can have a spatially uniform pre-tilt.04-21-2011
20110102691PANEL MODULE, DRIVING CIRCUIT AND DISPLAY DEVICE - A display device selects one or more of first electrodes corresponding to image data using a general-purpose segment driver and applies predetermined voltages respectively to the first electrodes of selection targets and non-selection targets. A driver control circuit outputs, according to a pulse polarity control signal, inverted image data or un-inverted image data to a segment driver. The segment driver applies voltage to second electrodes based on the image data acquired from the driver control circuit.05-05-2011
20100289975LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device according to the present invention includes a plurality of pixels, each including first and second subpixels SP-A and SP-B. The reference alignment azimuths of liquid crystal molecules in the liquid crystal layer of the first subpixel SP-A include only first and second reference alignment azimuths with no third or fourth one. The reference alignment azimuths of liquid crystal molecules in the liquid crystal layer of the second subpixel SP-B include only the third and fourth reference alignment azimuths with no first or second one. In one vertical scanning period, the absolute value of an effective voltage applied to the liquid crystal layer of the first subpixel SP-A is greater than that of an effective voltage applied to the liquid crystal layer of the second subpixel SP-B. In another vertical scanning period, the absolute value of an effective voltage applied to the liquid crystal layer of the second subpixel SP-B is greater than that of an effective voltage applied to the liquid crystal layer of the first subpixel SP-A.11-18-2010
20120249902LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - Provided is a liquid crystal display including: a first substrate and a second substrate facing each other; a pixel electrode disposed on the first substrate; an opposing electrode disposed on the second substrate; a liquid crystal layer in vertical alignment mode interposed between the first substrate and the second substrate and including a plurality of liquid crystal molecules; and a tilt direction determining member determining tilt directions of the liquid crystal molecules when an electric field is generated in the liquid crystal layer, wherein the liquid crystal layer includes a first area and a second area in each of the first area and the second area, the liquid crystal molecules being aligned to have a pretilt without the electric field in the liquid crystal layer, and a pretilt angle of the liquid crystal molecules in the first area is larger a pretilt angle that of the liquid crystal molecules in the second area.10-04-2012
20100245695LIQUID CRYSTAL DISPLAY ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME, AND IMAGE DISPLAY METHOD - A liquid crystal display element includes a first substrate having a first electrode on one surface thereof, a transparent second substrate having a transparent second electrode on one surface thereof, a first liquid crystal layer containing a liquid crystal composition, a color filter, and a second liquid crystal layer containing a liquid crystal composition, and at least one of the first and second liquid crystal layers includes an additive having dielectric properties, and the dielectric constant of the first liquid crystal layer is different from that of the second liquid crystal layer.09-30-2010
20120314146LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula (I), in which R12-13-2012
20120127385LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display device includes a first liquid crystal layer where first liquid crystal regions and second liquid crystal regions are alternately arranged, and a second liquid crystal layer stacked on the first liquid crystal layer where third liquid crystal regions and fourth liquid crystal regions are alternately arranged. With respect to an area per pixel, the first liquid crystal region is larger than the second liquid crystal region, and the third liquid crystal region is larger than the fourth liquid crystal region. The first liquid crystal region overlaps part of the third liquid crystal region and the fourth liquid crystal region. The first, the second, the third and the fourth liquid crystal regions cause changes in reflectance of light at respective wavelength regions in response to applied voltage. The respective wavelength regions are different from one another.05-24-2012
20110181804LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A LCD and a method of driving the LCD are provided. The LCD includes first and second gate lines extending in a first direction, a data line insulated from the first gate line and crossing the first gate line, a pixel electrode including first and second sub-pixel electrodes, the pixel electrode being disposed in a pixel having a long side in the first direction, a first thin film transistor (TFT) connected to the first gate line, the data line, and the first sub-pixel electrode, a second TFT connected to the first gate line, the data line, and the second sub-pixel electrode, and a third TFT connected to the second gate line, the second sub-pixel electrode, and a charge-sharing capacitor, the charge-sharing capacitor sharing a data voltage applied to the second sub-pixel electrode.07-28-2011
20110181803LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - An LCD device includes a transparent substrate. A first data electrode, a first CLC-MC layer, a first selection electrode, a second CLC-MC layer, a second data electrode, an insulating layer, a second selection electrode, a third CLC-MC layer, and a third data electrode are sequentially formed in this order on the transparent substrate.07-28-2011
20120133852Liquid crystal display apparatus and array substrate thereof - A liquid crystal display (LCD) apparatus having an improved a wiring structure for preventing circuits from being damaged due to static electricity. The LCD apparatus includes an array substrate body on which a pixel electrode is disposed, a common voltage wiring formed on the array substrate body in order to apply a common voltage to a common electrode facing the pixel electrode, a driving integrated circuit (IC) for applying an appropriate driving voltage to the pixel electrode and the common electrode, and a flexible circuit board for connecting the driving IC and an external power source to each other, wherein the common voltage wiring is connected to the driving IC through the flexible circuit board. Accordingly, electrical shock applied to the driving IC due to static electricity is reduced, and thus circuits are prevented from being damaged, thereby reducing errors of products and improving reliability of products.05-31-2012
20120314147MICROSCOPE APPARATUS, OPTICAL PICKUP APPARATUS AND LIGHT IRRADIATION APPARATUS - The microscope apparatus includes a light source which outputs linear polarization having a first wavelength, a polarization conversion element which includes a liquid crystal layer, and by causing linear polarization to pass the liquid crystal layer, converts linear polarization to radial polarization, an objective lens which focuses the radial polarization onto an object surface, a condenser lens which collimates the light reflected from the object surface, a light receiving element which receives light collimated by the condenser lens and outputs signal in accordance with the intensity of light, and a controller which applies electric voltage in accordance with the first wavelength to the liquid crystal layer of the polarization conversion element. The polarization conversion element is disposed in the pupil plane of the objective lens on the light source side.12-13-2012
20090059107TRANSFLECTIVE LCD UNIT - A transflective LCD unit includes an array of pixels each including a reflective area and a transmissive area. The LC layer has an effective retardation of λ/4 in the reflective area, and an effective retardation of λ/2 in the transmissive area. A retardation film disposed in the reflective area provides a retardation of λ/2 to the light passed thereby. An angle of θ between the optical axis of the retardation film and the polarized direction of the light is in a range of 0 degree<θ<22.5 degrees.03-05-2009
20090059105System and Method for Controlled Illumination - An electronic device having a first component requiring a first lighting configuration, a second component requiring a second lighting configuration, an illumination component that creates an artificial lighting and a window disposed over the illumination component so that when the artificial lighting is passed through the window, the window is configured to produce one of the first lighting configuration and the second lighting configuration.03-05-2009
20090059106LIQUID CRYSTAL DEVICE, DRIVING METHOD OF LIQUID CRYSTAL DEVICE, INTEGRATED CIRCUIT DEVICE FOR DRIVING LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS - A liquid crystal device includes a first substrate and a second substrate disposed in a mutually opposing relationship and liquid crystals sandwiched between the first substrate and the second substrate. When an initial sequence is executed, an alignment state of molecules of the liquid crystals transitions from a splay alignment state to a bend alignment state to thereby perform display or light modulation. The liquid crystal device further includes a plurality of scanning lines and a plurality of data lines formed on the first substrate so as to intersect each other; a pixel circuit including switching elements formed at intersections of the plurality of scanning lines and the plurality of data lines, pixel electrodes connected to the switching elements, and sustain capacitors for temporarily sustaining voltages of the pixel electrodes; opposing electrodes formed on the second substrate opposite the pixel electrodes; a driver capable of driving the scanning lines, the data lines, and the opposing electrodes; and a control unit configured to supply a control signal and an image signal for the display or the light modulation. The initial sequence includes a bend transition nucleus generation sequence and a bend transition expansion sequence. A horizontal electric field is generated by a potential03-05-2009
20120075541Liquid crystal display device - The liquid crystal display device of this invention includes picture element regions each defined by a first electrode provided on a first substrate and a second electrode provided on a second substrate so as to oppose the first electrode via a liquid crystal layer sandwiched therebetween. In each of the picture element regions, the first electrode includes a solid portion and a nonsolid portion. The liquid crystal display device further includes a pair of polarizing plates disposed with polarization axes thereof crossing each other substantially perpendicularly. The polarization axis of one of the pair of polarizing plates is substantially parallel to a direction in which the solid portion extends. When a voltage is applied between the first electrode and the second electrode, in each of the picture element regions, liquid crystal molecules of the liquid crystal layer are in a radially-inclined orientation state.03-29-2012
20100007808DISPLAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY PANEL HAVING THE SAME - One or more embodiments of a display substrate include a base substrate and a pixel electrode. The base substrate has a pixel area defined thereon. The pixel electrode includes a low pixel electrode formed in the pixel area to receive a first voltage, a high pixel electrode spaced apart from the low pixel electrode along a first direction to receive a second voltage that is higher than the first voltage, and a liquid crystal molecule control part formed on at least one of the low and high pixel electrodes so as to control liquid crystal molecules disposed at an area corresponding to a boundary of the low and high pixel electrodes. The liquid crystal molecules disposed at a domain corresponding to a boundary between the low and high pixel electrodes may be controlled, so that the generation of stains or afterimages may be prevented at a boundary of domain areas.01-14-2010
20120224113Reflective Type Complex Display Device and Method of Manufacturing the Same - A reflective type complex display device comprises: a lower substrate; an organic light-emitting layer formed on a top surface of the lower substrate for emitting light when supplied with current; a sealing layer covering the organic light-emitting layer so as to seal the organic light-emitting layer from the outside; an upper substrate formed above the sealing layer with a gap therebetween; liquid crystals injected between the upper substrate and the sealing layer; a transparent electrode formed on a surface of the upper substrate; and a polarizer formed on another surface of the upper substrate. The transparent electrode comprises a first electrode and a second electrode which are alternately arranged, and which drive the liquid crystals by generating an electric field in response to different voltages applied thereto.09-06-2012
20120081626LIQUID-CRYSTAL DISPLAY DEVICE - The present invention provides a liquid-crystal display device in which a pixel defect does not occur even when an electrode becomes disconnected. The liquid-crystal display device according to the present invention comprises a liquid crystal layer and a pair of substrates between which the liquid crystal layer is interposed. At least one of the pair of substrates includes an electrode that applies a voltage to the liquid crystal layer. The electrode that applies the voltage to the liquid crystal layer includes two or more linear portions. The substrate comprising the electrode that applies the voltage to the liquid crystal layer, from among the pair of substrates, includes a floating electrode that overlaps at least two of the two or more linear portions via an insulating film.04-05-2012
20120081625VARIABLE OPTICAL ATTENUATOR (VOA) - A variable optical attenuator includes a collimating unit that collimates an incident light beam, a polarization splitting member that separates the collimated light beam into a first polarized light beam having a first polarization and a second polarized light beam having a second polarization, a birefringence control unit through which the first and second polarized light beams pass, the birefringence control unit including a liquid crystal cell having a birefringence is controlled by a voltage or current, wherein the birefringence of the liquid crystal cell is substantially zero when no voltage or current is applied thereto, and a reflection member that reflects the first and second polarized light beams output from the birefringence control unit. The variable optical attenuator has high stability, high precision, and low volume.04-05-2012
20080297672OPTICALLY COMPENSATED BEND MODE LIQUID CRYSTAL DISPLAY DEVICES AND FABRICATION METHODS THEREOF - The invention relates to optically compensated bend (OCB) mode liquid crystal display devices and fabrication methods thereof. The OCB mode liquid crystal display includes a first substrate, a second substrate and a liquid crystal layer interposed therebetween. A first pixel electrode is disposed on the first substrate. A second pixel electrode is disposed overlying the first pixel electrode with a dielectric layer interposed therebetween such that a discontinuous fringe field is formed at the edge of the second pixel electrode. A first alignment layer is disposed on the first substrate covering the first and second pixel electrode. A common electrode is disposed on the second substrate, and a second alignment layer is disposed on the second substrate covering the common electrode.12-04-2008
20110037912Liquid Crystal Composition and Liquid Crystal Display Device - The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two or more characteristics. The subject is to provide an AM device that has a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and so forth.02-17-2011
20110234930LIQUID CRYSTAL DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC APPARATUS - In a liquid crystal device according to the embodiment of the invention, a high potential and a low potential relative to the counter electrode potential are alternately applied to the pixel electrode through the switching element. Here, the counter electrode potential is set to be lower than a reference potential, when the reference potential is an electric potential which is obtained by shifting an average electric potential between the high potential and the low potential by an average value between an amount of change in an electric potential of the pixel electrode, caused by a parasitic capacitance of the switching element when the high potential is being applied to the pixel electrode, and an amount of change in the electric potential of the pixel electrode caused by the parasitic capacitance when the low potential is being applied to the pixel electrode.09-29-2011
20120327319LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD FOR PRODUCING SAME - Provided is a high-quality liquid crystal display device in which an electronic component and a flexible printed circuit board are simultaneously mounted onto a liquid crystal panel and the electronic component and the like are prevented from corroding. The liquid crystal display device is provided with a liquid crystal display panel (12-27-2012
20120092576LIQUID CRYSTAL DISPLAY ELEMENT AND DEVICE - A liquid crystal display element includes a first and a second liquid crystal layer stacked on each other. The first liquid crystal layer includes a first liquid crystal strip group and a second liquid crystal strip group extending in a first direction and alternately aligned. A first electrode group and a second electrode group are disposed so as to hold the first liquid crystal strip group and the second liquid crystal strip group therebetween. The second liquid crystal layer includes a third liquid crystal strip group and a fourth liquid crystal strip group extending in a second direction orthogonal to the first direction and alternately aligned. A third electrode group and a fourth electrode group are disposed so as to hold the third liquid crystal strip group and the fourth liquid crystal strip group therebetween. Each electrode group includes electrodes extending in the each direction substantially parallel to each other.04-19-2012
20120092575CAPACITIVE COUPLED NON-VOLATILE ELECTRONIC DISPLAY - A non-volatile electronic display includes a light valve plate comprising a plurality of liquid crystal cells on a transparent substrate; a plurality of “floating/storage” nodes functioning like non-volatile memories formed on the transparent substrate and corresponding to the liquid crystal cells, and a plurality of word lines and a plurality of bit lines connected to the plurality of non-volatile memories and supplying signal to store charge to at least one non-volatile memory. The charge is retained in the at least one “floating/storage” nodes functioning like non-volatile memory for a predetermined period when no external power is applied to the non-volatile electronic display.04-19-2012
20120140134DISPLAY PANEL USING FLEXIBILITY OF METAL THIN FILM PATTERNS AND FABRICATING METHOD THEREOF - The present invention relates to a display panel using flexibility of metal thin film patterns and a fabricating method thereof, and more particularly, to a display panel using flexibility of metal thin film patterns and a fabricating method thereof, in which, by using a characteristic in which the metal thin film patterns may be deformed depending on a potential difference, the display panel is configured so that light emitted from a back light unit is reflected or transmitted by means of the deformed metal thin film patterns and then emitted to the outside of the display panel, thereby capable of improving light transmittance and saving fabrication cost of the display panel.06-07-2012
20120140133LIQUID CRYSTAL DEVICE COMPRISING CHIRAL NEMATIC LIQUID CRYSTAL MATERIAL IN A HELICAL ARRANGEMENT - This invention generally relates to a liquid crystal device, and more particularly to such a device in the form of a liquid crystal cell such as for a display device, and further relates to a display device having the liquid crystal device, an optical waveguide device comprising the liquid crystal device, a Variable Optical Attenuator comprising the liquid crystal device, an optical switch comprising the liquid crystal device, a method of controlling transmission of polarised light, and to a further liquid crystal device. A liquid crystal device for controlling transmission of polarised light, comprising: chiral nematic liquid crystal having a helical arrangement of liquid crystal molecules in the absence of an electric field; and at least two electrodes for applying an electric field having a component normal to the helical axis of the chiral nematic liquid crystal, wherein the chiral nematic liquid crystal has negative dielectric anisotropy.06-07-2012
20130016294LIQUID CRYSTAL DISPLAY DEVICEAANM LI; YONGQIANAACI KunShan CityAACO CNAAGP LI; YONGQIAN KunShan City CNAANM DAI; WENJUNAACI KunShan CityAACO CNAAGP DAI; WENJUN KunShan City CNAANM LIAO; CHIA-TEAACI KunShan CityAACO CNAAGP LIAO; CHIA-TE KunShan City CNAANM CHUNG; TE-CHENAACI KunShan CityAACO CNAAGP CHUNG; TE-CHEN KunShan City CN - A liquid crystal display device comprises a first and a second substrates which are oppositely configured, and a liquid crystal layer interposed therebetween, the first substrate comprising a transparent substrate and a plurality of scanning lines and data lines formed on the transparent substrate, the plurality of scanning lines and data lines crosswise defining a plurality of pixel regions. Each pixel region comprises at least two electrode groups and a third transparent electrode provided between the two adjacent electrode groups, each electrode group comprising a first and a second transparent electrodes alternately located on different layers. During operation of the liquid crystal display device, a fringe field is generated between the first and the second transparent electrodes, and a horizontal electric filed is generated between the first and the third transparent electrodes so as to enhance the transmittance of the whole liquid crystal display device.01-17-2013
20110157501POLYMER NETWORK LIQUID CRYSTAL DRIVING APPARATUS AND DRIVING METHOD, AND POLYMER NETWORK LIQUID CRYSTAL PANEL - When a signal, which is switched between a first level (06-30-2011
20130021547LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first insulating substrate, and a second insulating substrate facing the first insulating substrate. A protective layer is formed on the data lines, and pixel electrodes are formed on the protective layer such that the pixel electrodes are connected to the drain electrodes while having a plurality of slits and horizontal opening portions. A common electrode is formed on the second insulating substrate with a plurality of opening portions. The horizontal opening portions of the pixel electrode and the opening portions of the common electrode partition the pixel region into left and right domains as well as upper and lower domains. The slits are positioned at the left and right domains.01-24-2013
20130021546LIQUID-CRYSTAL DISPLAY ELEMENT AND SUBSTRATE USED IN SAME - A substrate used for a liquid crystal display element having two or more substrates arranged oppositely to each other and a liquid crystal material exhibiting a blue phase between the substrates, where a polar component of surface free energy on a substrate surface in contact with the liquid crystal material is less than 5 mJm01-24-2013
20120242918Cholesteric liquid crystal structure - A liquid crystal optical device that includes a first substrate layer that is substantially flat and a second substrate layer that is substantially flat and parallel to the first substrate layer. The liquid crystal optical device further includes a layer of cholesteric liquid crystal disposed between the first substrate layer and the second substrate layer, where the layer of cholesteric liquid crystal is arranged in domains, each domain having a helical axis, wherein the helical axes of the domains have a plurality of orientations relative to an orientation of the first and second substrate layers, and where a wavefront of a light wave having a wavelength within a range of wavelengths changes after reflecting from the layer of cholesteric liquid crystal.09-27-2012
20130176513LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes: a liquid crystal display panel, which is an in-plane switching type and has liquid crystals sealed between two insulating substrates to be applied a horizontal electric field to the liquid crystals; a conductive film that is formed on a display surface side of the liquid crystal display panel; a backlight that illuminates the liquid crystal display panel from a backside that is opposite to the display surface; and a conductive tape that is adhered over the conductive film and a metal member configuring the backlight, wherein the conductive tape has a stress absorption part that is provided between an end portion of the liquid crystal display panel and an end portion of the backlight, which is arranged to face the end portion of the liquid crystal display panel, to absorb stress to be applied to the conductive tape.07-11-2013
20130176512Displays with Liquid Crystal Shutters - An electronic device may have a display such as a liquid crystal display. The display may have an array of display pixels. The array of display pixels may display images for a user in an active area of the display. An inactive area of the display may surround the active area. An opaque masking layer may be provided in the inactive area to block internal components in the electronic device from view. An optical component such as a light-based proximity sensor, ambient light sensor, image sensor, or light-emitting status indicator may be aligned with an opening in the opaque masking layer. A liquid crystal shutter may be provided in the display. The liquid crystal shutter may be controlled by control circuitry in the electronic device. The liquid crystal shutter may be aligned with the opening in the opaque masking layer in the inactive area and with the optical component.07-11-2013
20130169898METHOD OF DRIVING BI-STABLE LIQUID CRYSTAL PANEL AND DRIVING DEVICE - In a method of driving a bistable nematic dot-matrix liquid crystal display panel, from the facts that a write waveform contains a DC component and that liquid crystal molecules have not yet reached a stable state of anchoring force immediately after the end of writing but gradually become the stable state, it is considered that charges still remain in liquid crystal even at the time point when a COM electrode and a SEG electrode have become GND. Although the residual charges resulting from single writing cause no problem because its period is short, the residual charges after writing break down the bistable liquid crystal display panel as the number of rewriting increases. Immediately after a waveform for rewriting the bistable liquid crystal display panel was applied, an AC waveform of a voltage lower than the last pulse of a drive waveform was applied. Further, the voltage was allowed to gradually approach 0 V.07-04-2013
20130093970LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a light guide plate that guides incident light, a first point light source assembly including first point light source elements that provide the light to the light guide plate and a first support substrate having the first point light source elements, the first point light source assembly being disposed at one side of the light guide plate, a second point light source assembly including second point light source elements that provide the light to the light guide plate and a second support substrate having the second point light source elements, the second point light source assembly being disposed at the other side of the light guide plate, a liquid crystal panel assembly disposed on the light guide plate that displays image information, and a lower container that accommodates the light guide plate, first and second point light source assemblies, and liquid crystal panel assembly.04-18-2013
20130114010POLYMERISABLE MIXTURES AND THE USE THEREOF IN LIQUID CRYSTAL DISPLAYS - The present invention relates to polymerisable mixtures and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type.05-09-2013
20130128165LIQUID CRYSTAL DISPLAY AND METHOD FOR PREPARATION THEREOF - The present invention discloses a liquid crystal display of the IPS type, which has improved characteristics in terms of stability of liquid crystal element, response time, threshold voltage, and driving voltage due to conferring a pretilt angle to a liquid crystal layer, and method for preparation thereof.05-23-2013
20130135543LIQUID CRYSTAL DIMMER, IMAGE PICKUP UNIT, AND METHOD OF DRIVING LIQUID CRYSTAL DIMMING DEVICE - A liquid crystal dimmer includes: a liquid crystal dimming device adjusting a transmitted light amount of incident picked-up image light; a driving section supplying a drive voltage for driving the liquid crystal dimming device to the liquid crystal dimming device; and a control section controlling the drive voltage to control a dimmed state of the liquid crystal dimming device. The control section controls the drive voltage to allow plural-stage shifting of a tilt angle of a liquid crystal molecule in the liquid crystal dimming device when the liquid crystal dimming device is caused to undergo a state transition from one dimmed state to another dimmed state, the dimmed states being different from each other in the transmitted light amount.05-30-2013
20130135547COLOR FILTER SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A color filter substrate for a liquid crystal display device, includes a transparent substrate, a black matrix formed on the transparent substrate and having an opening for division into a plurality of pixels, a transparent conducting film, and a color layer formed on the pixel, wherein a linear projection is formed in a center of the pixel and a recess is formed above the black matrix.05-30-2013
20130141656LAMINATED GLAZING WITH VARIABLE LIQUID-CRYSTAL-INDUCED SCATTERING, AND PROCESS AND DEVICE FOR MANUFACTURING IT - A laminated glazing with variable liquid-crystal-induced scattering, includes a first glass sheet; a first interlayer film for laminating the first glass sheet, made from a first plastic material; an electrically controllable, variable scattering system including the liquid crystals between a first support for a first electrode and a second support for a second electrode, the electrodes making contact with the liquid crystals; a second interlayer film, made from a second plastic material for laminating a second glass sheet; links to the electrodes; electrical wiring with two wiring inputs; a polymer material, for protecting the wiring inputs, which makes contact with the glass sheets; and a seal for sealing the liquid crystals and the electrodes from water. The protective polymer material forms a seal for sealing the electrode links and the wiring inputs from liquid water.06-06-2013
20110273638LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate, a second substrate, a first vertical electrode, a second vertical electrode, a first pixel electrode, a first counter electrode, and a liquid crystal layer. The second substrate is disposed to be opposite to the first substrate, the liquid crystal layer is interposed between the first and second substrates. The liquid crystal layer includes polymer stabilized positive blue phase liquid crystal. The first vertical electrode is at an inner side of the first substrate, and faces the second substrate. The second vertical electrode is at an inner side surface of the second substrate and faces the first vertical electrode. The second vertical electrode and the first vertical electrode have different electrical potentials thus form a vertical electric field perpendicular to the first substrate and the second substrate. The first pixel electrode is at the inner side of the first substrate and faces the second substrate. The first counter electrode is at an inner side of the first substrate. The first pixel electrode and the first counter electrode have different electrical potentials. The first pixel electrode and the first counter electrode provide a horizontal electric field parallel to the first substrate and the second substrate.11-10-2011
20080198281Liquid Crystal Display Device - A liquid crystal display device comprises a layer of liquid crystal material (08-21-2008
20110221986Liquid Crystal Display - A liquid crystal display includes a first alignment film having a first alignment direction, a second alignment film having a second alignment direction, and a liquid crystal layer having liquid crystal molecules between the first and second alignment films. The liquid crystal layer is doped with a chiral material that tends to induce a first twist in directors of the liquid crystal molecules when an electric field is applied to the liquid crystal layer. The first and second alignment films have orientations that tends to induce a second twist in the directors when an electric field is applied to the liquid crystal layer, in which the direction of the first twist is different from the direction of the second twist.09-15-2011
20110221983LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel having a plurality of pixels; a detector included in an interior of the liquid crystal display panel for detecting a variance of a kickback voltage; and a compensation common voltage generator reflects the variance of the kickback voltage detected by the detector and controls a common voltage to be supplied to the liquid crystal display panel. The detector includes at least one or more detection pixels, and the detection pixels are electrically connected to a gate line arranged in the liquid crystal display panel and to a detection line which is arranged neighboring to the data line disposed close to the edge of the liquid crystal display panel.09-15-2011
20130148047LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING A LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is disclosed, which has improved transmittance, and which meanwhile can obtain a higher contrast and maintain a lower cost. The device comprises a color filter substrate, an array substrate, and a liquid crystal layer sealed between the color filter substrate and the array substrate. The array substrate comprises a first pixel electrode and a second pixel electrode, the first pixel electrode and the second pixel electrode being arranged at an interval, and applied with AC voltages of equal frequency but opposite phase, respectively. Also, a method for driving the liquid crystal display device is disclosed.06-13-2013
20110249207LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a substrate, an insulating layer, an upper electrode layer, and a lower electrode layer. The upper electrode layer and the lower electrode layer are formed on the same the substrate via the insulating layer. A plurality of openings are formed in the upper electrode layer and arranged parallel to each other so that an electric field is passed therethrough. Liquid crystal molecules are driven by applying voltage between the upper electrode layer and the lower electrode layer. A minor axis of each of the openings has a width in a range in which a V-T curve, which represents a relationship between voltage and transmittance ratio, does not shift with variation in the width of the minor axis.10-13-2011
20100283925OLIGOSILOXANE MODIFIED LIQUID CRYSTAL FORMULATIONS AND DEVICES USING SAME - A liquid crystal formulation is described. The liquid crystal formulation comprises a first oligosiloxane-modified nano-phase segregating liquid crystalline material; and at least one additional material selected from a second oligosiloxane-modified nano-phase segregating liquid crystalline material, non-liquid crystalline oligosiloxane-modified materials, organic liquid crystalline materials, or non-liquid crystalline materials, wherein the liquid crystal formulation has an I→SmA*→SmC* phase transition, with a SmC* temperature range from about 15° C. to about 35° C., a tilt angle of about 22.5°±6° or about 45°±6°, a spontaneous polarization of less than about 50 nC/cm2., and a rotational viscosity of less than about 600 cP. Devices containing liquid crystal formulations are also described. The device has a stable bookshelf geometry, bistable switching, and isothermal electric field alignment, a response time of less than 500 μs when switched between two stable states, and an electric drive field of less than about 30 V/μm.11-11-2010
20120274868Semiconductor Package - A semiconductor package may include a substrate, a semiconductor chip disposed on the substrate, a communication terminal and a static electricity inducing terminal connected to a ground. The package may include a first sealant that comprises a voltage sensitive material and that covers the semiconductor chip and a static electricity blocking layer that provides a conductive pathway from the first sealant to only the static electric inducing terminal. The static electricity blocking layer may prevent the communication terminal from being electrically connected to the first sealant. If a buildup of charge is applied to the device, the first sealant may become polarized and/or conductive. The extra voltage may travel through the first sealant to the static electricity inducing terminal via an opening in the static electricity blocking layer. The semiconductor chip and the communication terminal may not be affected by the extra charge.11-01-2012
20100309398MODULATION ELEMENTS FOR ELECTROMAGNETIC RADIATION, MODULATION DEVICE AND MODULATION MEDIUM - The present invention relates to modulation elements for electromagnetic radiation and to modulation devices and systems comprising these devices, such as e.g. television screens and computer monitors, as well as to micrometre wave components. The modulation elements according to the invention comprise a mesogenic modulation medium with a dielectric anisotropy, which shows two or more distinct transitions upon application of an electric field. The mesogenic modulation media used in the modulation elements for electromagnetic radiation are also a subject of the present invention.12-09-2010
20130155339LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a liquid crystal display device, including: a first substrate; a second substrate; a liquid crystal material interposed between the first substrate and the second substrate, and combined with a polymer composition to exhibit a blue phase; and a pair of transparent electrodes formed on the first substrate, for applying a lateral field to the liquid crystal material, the lateral field being parallel to the first substrate. The polymer composition is formed to have different densities in a direction between the first substrate and the second substrate. At least in a region overlapping with the pair of transparent electrodes, the polymer composition has a part having a highest density, the part being located closer to the first substrate than to the second substrate.06-20-2013
20110304788NONVOLATILE LIQUID CRYSTAL DISPLAY DEVICE AND DISPLAY METHOD FOR NONVOLATILE LIQUID CRYSTAL DISPLAY DEVICE - A nonvolatile liquid crystal display device includes: a liquid crystal display panel including a scanning signal line group, a data signal line group intersecting the scanning signal line group, and a plurality of pixel circuits arranged at positions where the signal line groups intersect with each other, and containing a nonvolatile liquid crystal compound as a liquid crystal layer; a scanning signal line driving unit sequentially driving the scanning signal line group; and a controlling unit supplying a selected voltage and a non-selected voltage to the scanning signal line driving unit. In the nonvolatile liquid crystal display device, the controlling unit supplies the non-selected voltage, for a predetermined duration before and after the selected voltage is supplied, respectively to all of scanning signal lines configuring the scanning signal line group.12-15-2011
20110310320LENS ARRAY ELEMENT AND IMAGE DISPLAY DEVICE - Disclosed herein is a lens array element, including: first and second substrates; a first electrode group; a first switch group; a second electrode group; a second switch group; and a liquid crystal layer, wherein the lens effect of an arbitrary area of the liquid crystal layer changes with change in the statuses of the first and second switch groups.12-22-2011
20110310319LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device (12-22-2011
20130188106LATERAL ELECTRIC FIELD LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - The liquid crystal display device includes a transparent electrode formed in a plan form and a strip or strips transparent electrode disposed thereon via an insulating film, and controls display by rotating the liquid crystal aligned substantially in parallel to a substrate within a plane that is substantially in parallel to the substrate by an electric field between the both electrodes. Each pixel constituting the display is divided into two regions, the extending directions of the strip electrode in each of the regions are orthogonal, the alignment azimuths of the liquid crystal of each of the regions are orthogonal, and the angles formed between the extending directions of the strip electrode and the alignment azimuth of the liquid crystal are the same.07-25-2013
20130188107LIQUID-CRYSTAL COMPOSITION - A cholesteric liquid-crystal composition is described, which contains a liquid-crystal component and a chiral agent, and has a selective reflection wavelength in the range of 400 nm to 800 nm at 25° C.07-25-2013
20120019737DISPLAY DEVICE - A display device includes a light source, an optical waveguide, a light-extracting portion, a liquid crystal dispersion layer and a drive circuit. The optical waveguide has two ends to guide light from one of the two ends to the other end. The light is emitted by the light source. The light-extracting portion is provided to a side face of the optical waveguide. The liquid crystal dispersion layer is included in the light-extracting portion and includes liquid crystal droplets whose mean diameter is 100 nm or less. The drive circuit applies a voltage to the light-extracting portion to generate an electric field in the liquid crystal dispersion layer so that the light transmitting through the optical waveguide is scattered to be extracted.01-26-2012
20120033146LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - The invention provides a liquid crystal display device capable of ensuring high transparent aperture ratio and realizing high resolution. The liquid crystal display device comprises: a first transparent substrate (02-09-2012
20130201418DRIVING METHOD FOR DISPLAY DEVICE - A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.08-08-2013
20130201419Liquid Crystal Display Device - A liquid crystal display includes a first substrate, a second substrate, a liquid crystal disposed between the first substrate having drain lines and gate signal lines defining pixel regions and the second substrate. The pixel regions include a pixel electrode formed of a transparent conducting layer and having a plurality of slits, a common electrode formed of a transparent conducting layer, the common electrode being overlapped with the pixel electrode through an insulating layer, and the liquid crystal being driven by an electric field generated by the pixel electrode and the common electrode. A conductor layer is arranged proximate to the drain signal line. The conductor layer is placed at a position where at least a part thereof overlaps the common electrode, and the conductor layer is not connected to the drain signal line and the pixel electrode electrically.08-08-2013
20120062808CHOLESTERIC LIQUID CRYSTAL DISPLAY DEVICE AND SIMPLE MATRIX DRIVING METHOD - A cholesteric liquid-crystal display device includes a cholesteric liquid-crystal display element having common electrodes and segment electrodes; a common driver which drives the common electrodes, outputs a selected-line voltage to a selected line of the common electrodes, and outputs an unselected-line voltage to unselected lines other than the selected line; a segment driver which drives the segment electrodes and outputs a write signal to the segment electrodes; a drive controlling circuit which controls the common driver and the segment driver to rewrite an image displayed on the cholesteric liquid-crystal display element; and a voltage correcting circuit which corrects the unselected-line voltage corresponding to the write signal during writing to the selected line.03-15-2012
20120300145LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THAT - A liquid crystal display device includes first and second substrates with a liquid crystal layer therebetween. A planer electrode and a plurality of overlapping linear electrodes are formed on the first substrate with an insulation film disposed between the planar electrode and the plurality of linear electrodes. A projecting portion is formed on one of the first and second substrates and an alignment film is formed on each of the first and second substrates and on the projection portion. The alignment films are made of a photo-decomposition-type material, and a film thickness of the alignment film on the projecting portion and a film thickness of a portion of the alignment film facing the projecting portion satisfy a predetermined relationship.11-29-2012
20120300144Dual Mode Liquid Crystal Display Device - A dual mode LCD device includes first and second substrates facing each other; a first electrode on an inner surface of the first substrate and having a plate shape; a first insulating layer on the first electrode; a second electrode and a third electrode on the first insulating layer, being spaced apart from each other and extending along a first direction; a fourth electrode on an inner surface of the second substrate; and a liquid crystal layer interposed between the first and second substrates and including chiral dopants, wherein liquid crystal molecules of the liquid crystal layer are stably arranged in a first twist state and a second twist state, wherein the first and second twist states are used for a memory mode and the second twist state and a vertical alignment state are used for a dynamic mode.11-29-2012
20120075542LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first substrate, a first pixel electrode, a second pixel electrode, a second substrate, and a liquid crystal layer. The first pixel electrode is formed on the first substrate. The second pixel electrode overlaps with at least a part of the pixel electrode with the first insulating layer interposed therebetween. The second pixel electrode has a plurality of elongated openings and applies a voltage to the liquid crystal layer that is different from the voltage the first pixel electrode applies to the liquid crystal layer.03-29-2012
20130208199TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - An IPS-mode transflective LCD device includes an array of pixels each including a reflective region and a transmissive region juxtaposed. The reflective region operates in a normally-white mode, and the transmissive region operates in a normally-black mode. A common data signal is supplied to the reflective region and transmissive region, whereas the common electrode signal in the transmissive region is an inverted signal of the common electrode signal in the reflective region, to thereby obtain similar gray-scale levels.08-15-2013

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

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