IPS display emply LCs negative dielectric anisotropy true falso.
The order parameter of a calamatic LCs above the nematic-isotropic transition is zero true false.
The Van cofiguration can only provide grayscale by temporal dithering
Se ha habilitado la compatibilidad con lectores de pantalla.
true false.
Discotic LCs are formed within a range of concentrations in a solvent true
false.
In a multiplexed display at given framerate, increasind the number of rows decrases the slot time true false.
The color gamut (palette) of nematic display is usually a power of the achievable number gray levels true false.
In a material having circular birefingence, circular dextro and levo lights propagate at different speed true false.
The SOP of dextro light can be modified with a circular levo retarder true false.
Viewing angle in direct-view TV LC displays must be limited to 47,5º on each side to avoid flickering true false.
Phase delay of linear birenfringent materials increases with light wavelength true false.
The so-called LED TVs for home theaters are actually OLEDs true false.
Splay, twist and bend are three orthogonal dielectric anisotropies of biaxial materials true false.
The order parameter of LCs is an avarege of many molecules true false.
The order parameter of smetic LCs increases with increasing temperature true false.
Thermotropic LCs have got electric and optical anisotropy, but lack magnetic anisotropy true false.
Lyotropic LCs are made of amphiphilic molecules and consequently are soluble in water true flase.
A linear retarder with (pi) retardation does not modify the SOP of any polarization true flase.
The Muller algebra employs Stokes paramenter and is graphically represented in a Poincaré sphere true false.
The SOP of non-polarized ligth can be modifief with circular retarders true false.
Twist configuration LCDs actually work as (pi)/2 circular retarders true false.
Sharing the pixel area between several subpixels to simulate grayscale is called spatial dithering true false.
Cholesterics is former name of chiral nematic LCs true false.
Any polarized light can be represented with two orthogonal linear polarizations true false.
Calamitic LCs do not show nematic phase true false.
The odd-even effect is only observed in nematic phase true false.
The Stokes parameter 'i' of the (imcs) vector is modified linear retarders true false.
Projection color LC displays usually employ three mocrodisplays for RGB colors true false.
Antiferroelectric liquid crystals show grayscale with no applied voltage true false.
Cholesteric LCs arrenge spontaneously in helical structures true false.
Most commercial display applications employ nematics LCs true false.
The phase retardation between the two linear components of any circular polarization is always (pi)/2 true false.
In lyotropic LCs, nematic phases are less ordered than hexatic phases true false.
Pixels in large-area TVs are made of several secitons to winden up the viewing angle true false.
The magnetic anisotropy of calamitic LCs always positive true false.
The delay induced by circular retardes depends on their orientation true false.
The delay induced by linear retardes depends on their orientation true false.
The framerate of a display decreases with the number the number of columns true false.
The framerate of a display decreases with the number the number of rows true false.
Slot time is proporcional to the number of display columns true false.
Slot time increases with increasing frametime true false.
Surface-stabilized antiferroelectric LC displays posses intrinsic grayscale if a constant voltage is applied true false.
Above a certain resolution, direct exicitation of pixels in LC displays is not feasible true false.
Muller algebra cannot be used with polarized light true false.
LCOS display are active-matrix displays whose electronics are grown on silicon rather than glass true false.
Lipid bilayers of cell membranes are actually polymeric LCs true false.
Temporal dithering requires fast systems able to switch ON and OFF several times per frame true false.
Twist alignment is induced by orthogonal homogeneous conditioning in both plates on LCDs true false.
The VAN configuration provides grayscale by acting as a linear retarder with variable orientation true false.
The IPS configuration proviedes grayscale by acting as a linear retarder with variale orientation true false.
The SOP located at the north pole of Poincaré sphere corresponds to circular dextro light true false.
The order parameter of nematic LCs increases with temperature true false.
Inducing homogeneous alignment in both plates on an LCD always gives homogeneous configurations true false.
For a given thermotripic LC, the order parameter is higher in smetic phases than in nematic phases true false.
The IPS configuration can only provide grayscale by temporal dithering true false.
Lyotropic liquid crystals are not soluble in water true false.
The color gamut (palette) of nematic display is usually determined by achievable number gray levels true false.
Stretch, twist and bend are orthogonal deformations employed in continuum elastic theory true false.
Lipid bilayers of cell membranes are actually discotic LCs true false.
An LC cell with parallel outer plates may work as a lens or a prism using voltage gradients true false.
Jones algebra cannt be used with polarized light true false.
Slot time is independent of the number of the columns true false.
For a given display, the slot time increases with frametime true false.
Viewing angle in direct-view TV LC displays must be limited to 60º on each side to avoid flickering true false.
surface-stabilized ferroelectric LC displays are bistable and lack intrinsic grayscale true false.
Phase delay of LC cell increases with light wavelength true false.
Projection color LC displays usually employ one mocrodisplays for each primary color true false.
The so-called LED TVs for home theaters are actually LCDs with LED backlight true false.
LC phase gratings may generate diffraction patterns like amplitude gratings true false.
The order parameter of smetic LCs is customarily higher than that of nematic LCS true false.
LC lenses cam be made with paralle, flat outer plates true false.
Any polarized light can be represented with two opposite circular polarizations true false.
The two linear components of any inear polarization are in phase true false.
Calamitic LCs have got optical and magnetic anisotropiy, but lack elctric anisotropy true false.
Chiral LCs arrange spontaneosly in structures having helical orientation true false.
Lyotropic LCS are formed within a range of concentrations in a solovent true false.
Discotic LCs do not show nematic phase true false.
A linear retarder with (2pi) retardation does not modify the SOP of any polarization true false.
The odd-even effect is only observed in chiral phase true false.
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