Abstract: The invention relates to compensation films for liquid-crystal displays with additions of rod-shaped liquid crystals mentioned below, to polarizer plates which have at least one compensation film of this type, to liquid-crystal displays which have compensation films of the said type, and to processes for the production of the said compensation films, polarizer plates and liquid-crystal displays, to the use of the compounds described in greater detail below as additions to compensation films for liquid-crystal displays, and to further subject-matters of the invention which can be seen below.

Abstract: An optical film assembly includes a first polarization plate disposed below a liquid crystal layer and having a first absorption axis, a second polarization plate disposed above the liquid crystal layer and having a second absorption axis, an A-plate disposed between the first polarization plate and the second polarization plate, and a negative C-plate disposed between the first polarization plate and the second polarization plate. A thickness-direction phase retardation value of the negative C-plate is equal to or less than a value acquired by subtracting about 75 nanometers from a thickness-direction phase retardation value of the liquid crystal layer and the thickness-direction phase retardation value of the negative C-plate is equal to or greater than a value acquired by subtracting about 275 nanometers from the thickness-direction phase retardation value of the liquid crystal layer.

Abstract: Disclosed herein is a method for manufacturing a very thin achromatic quarter wave film laminate for transflective LCD including steps of (1) preparing a polymeric substrate oriented in a specific direction; (2) coating a liquid crystal solution on the polymeric substrate; (3) subjecting the coating to drying and UV curing to form a lower liquid crystal layer; (4) coating a solution for an orientation film on the lower liquid crystal layer; (5) drying the coating to form an orientation film; (6) imparting orientation to the orientation film via polarization UV radiation or rubbing; (7) coating a liquid crystal solution on the orientation film; and (8) subjecting the coating to drying and UV curing to form a upper liquid crystal layer. The very thin achromatic quarter wave film laminate for transflective LCD manufactured by this method has a considerably reduced thickness, as compared to conventional quarter wave films in which anisotropic polymeric films are laminated.

Abstract: Provided are an optical compensation film and a method for producing the same. The optical compensation film includes a nematic liquid crystal compound including a compound having at least two mesogens linked to each other with a constant angle, and has hybrid alignment in which the alignment of the liquid crystal compound varies gradually along the thickness direction.

Abstract: A patterned retarder film with a plurality of first retardation regions and a plurality of second retardation regions and a method for manufacturing the same are provided. The method includes providing a base film; forming an alignment layer on a first surface of the base film; coating a liquid crystal material on the alignment layer as a liquid crystal layer; aligning the liquid crystal layer with the alignment layer; embossing the liquid crystal layer with a predetermined pattern to form a patterned layer with a plurality of first and second retardation regions. The structure of the first and second retardation regions are grating-like stripe structure and parallel to each other and the structure of the second retardation regions are grooving-like stripe structure and interleaved with each other. The patterned liquid crystal layer is cured. The phase retardation of the first and second retardation regions is different by 180°.

Abstract: The present invention provides a 3D display panel and a method for manufacturing the same. The method comprises the following steps: forming a liquid crystal layer between a first substrate and a second substrate; arranging a first polarizer at an outer side of the first substrate; arranging a second polarizer at an outer side of the second substrate; forming an alignment layer on a transparent substrate; forming a half wave layer on the alignment layer; arranging the half wave layer, the alignment layer and the transparent substrate at an outer side of the first polarizer in sequence; and forming a quarter wave layer at an outer side of the transparent substrate. The present invention can enhance the yield and display quality of the 3D display.

Abstract: A simple matrix type dot-matrix liquid crystal display element includes a first and a second transparent substrate disposed opposite to each other, first and second transparent electrodes disposed on the opposed face of the first and the second transparent substrate, respectively, a first and a second vertical alignment film disposed on the opposed side of the first and the second transparent substrate to cover the first and the second electrodes, respectively, a liquid crystal layer disposed between the opposed side of the first and the second transparent substrate and having ??<0 and ?nd>450 nm, and a first and a second viewing angle compensation plate disposed on the unopposed side of the first and the second transparent substrate, respectively, wherein in the first transparent electrode, openings extending in a predefined direction are aligned.

Abstract: There is provided a liquid crystal display panel having a high contrast ratio in a front direction. A liquid crystal panel of the present invention includes: a liquid crystal cell; a first polarizing plate placed on one side of the liquid crystal cell; and a second polarizing plate placed on another side of the liquid crystal cell. A transmittance (T1) of the first polarizing plate is higher than a transmittance (T2) of the second polarizing plate. Preferably, a difference (?T=T1?T2) between the transmittance (T1) of the first polarizing plate and the transmittance (T2) of the second polarizing plate is 0.1% to 6.0%.

Abstract: A compensation film for a liquid crystal display having a characteristic that R0 is about 40 nm-60 nm, Rth is about 140 nm-170 nm, ? is about 15°-19°, and the supporting film of the compensation film has a positive dispersion characteristic with respect to the wavelength.

Abstract: Optical film laminates of birefringent polyester films and adhesive are disclosed. The laminates have a thickness of at least 10 mils (0.25 mm). The laminates of the invention are useful in displays having a diagonal of 37 in (94 cm) or greater.

Abstract: A patterned retarder film comprises a first substrate, a pattern configuration, an alignment layer formed on the pattern configuration, and a liquid crystal layer disposed on the alignment layer. The pattern configuration comprises a plurality of first regions and a plurality of second regions, wherein the first regions are grating relief structure and interleaved with the second regions. A liquid crystal layer is coated on the alignment layer to cover the first regions and the second regions of the pattern configuration to a plane with a determined thickness on the surface of the first regions. The first phase retardation of the liquid crystal layer on the first regions and the second phase retardation of the liquid crystal layer on the second regions are different by 180°. The method for manufacturing the same is disclosed.

Abstract: A patterned retarder film and a method for manufacturing the same are provided. A patterned retarder film with a micro-structure comprises a first substrate, a phase retardation layer on the first substrate comprising a plurality of first retardation regions of liquid crystal materials and a plurality of second retardation regions of curable resin, wherein the structures of the first retardation regions and the second retardation regions are grating-like stripe structures and parallelly interleaved with each other and the first retardation regions provide a first phase retardation and the second retardation regions provide a second phase retardation; and a second substrate laminated on the phase retardation layer; wherein the first phase retardation and the second phase retardation are different by 180°.

Abstract: A product comprising a patterned optically anisotropic layer having two or more regions of different birefringence in the form of a pattern, comprising at least an intensity gradation-type pixel of approximately uniform birefringence and an area gradation-type pixel comprising two or more of drawing units of different birefringence, and each region of a single birefringence in the patterned optically anisotropic layer comprising a plurality of the drawing units is provided. The product permits the formation of full-color images (latent images) and includes delicate color representation, such as the densities of particular colors.

Abstract: The various embodiments include variable optical transmission devices with uniform or patterned polarizers or wave retarders configured to provide continuous or nearly continuous variations in light transmission based on linear translation. For example, embodiments include a variable transmission window including a first uniform polarizer with a first polarization axis, a second uniform polarizer with a second polarization axis, a first patterned wave retarder positioned between the first and second polarizers and including a first plurality of domains configured to vary in at least one of optic axis, thickness, or birefringence, and a second patterned wave retarder positioned between the first and second polarizers and including a second plurality of domains configured to vary in at least one of optic axis, thickness, or birefringence. The first or second wave retarder is configured to be linearly translatable relative to the other wave retarder.

Abstract: A display apparatus comprises a display panel, a first polarizing plate and a second polarizing plate. The display panel comprises a first substrate including a pixel electrode, a second substrate opposite to the first substrate, and a liquid crystal layer disposed between a first surface of the first substrate and a first surface of the second substrate. The first polarizing plate comprises a first polarizer having a first polarizing axis, and a first ?/4 phase difference plate having a refractive index between about 1.35 and about 2.05 in a thickness direction. The second polarizing plate comprises a second polarizer having a second polarizing axis crossing the first polarizing axis, and a second ?/4 phase difference plate having a refractive index between about 1.35 and about 2.05 in a thickness direction. Accordingly, light leakage in a side view may be reduced and viewing angle may be improved.

Abstract: A flat panel display device is provided with an increased viewing angle having good dark versus light imaging contrast. The display device includes a display panel, a first optical unit, and a second optical unit. The display panel includes a liquid crystal layer that is driven in a vertical alignment mode. The first optical unit includes a negative C-plate and a first polarizer having a first absorption axis. The second optical unit includes a biaxial compensation plate having a refractive indices coefficient, (nx?nz)/(nx?ny) of more than 0.45 and less than 0.55, and a second polarizer having a second absorption axis crossing the first absorption axis. The biaxial compensation plate has a refractive indices relationship of nx>nz>ny such that dispersion of polarization states of colored light rays passed through the C-plate and the liquid crystal layer may be minimized and gathered about an extinction point, thereby improving contrast at side viewing angles.

Abstract: A LCD device has a LC layer sandwiched between a TFT substrate and a counter substrate, first and second polarizing films, a first ?/2 film between the first polarizing film and the counter substrate, and a second ?/2 film between the second polarizing film and the TFT substrate. Angle ?1 between the direction of the optical axis of the LC layer and the polarized direction of the light entering the LC layer satisfies the relationship: 0 degree<?1<45 degrees. The resultant LCD device has lower leakage light and coloring.

Abstract: The present invention provides an LCD device that can be easily produced and has a high contrast ratio in a wide viewing angle range. The LCD device includes in the following order: a first polarizer; a first birefringent layer (II); a first quarter-wave plate; a liquid crystal cell; a second quarter-wave plate having an Nz coefficient substantially equal to that of the first quarter-wave plate; a second birefringent layer (II) having an Nz coefficient and an in-plane retardation that are substantially equal to an Nz coefficient and an in-plane retardation of the first birefringent layer (II), respectively; and a second polarizer, wherein the device includes at least one birefringent layer (III) disposed at least one of: between the first birefringent layer (I) and the liquid crystal cell; and between the liquid crystal cell and the second birefringent layer (I).

Abstract: An optical device includes multiple reflective spatial light modulation devices each of which applies an image signal to each of rays of incident light and rotates a polarization direction of each of the rays of incident light for a modulated output, multiple polarization elements each of which causes each polarization component of the rays of incident light in a specific direction to be transmitted and incident upon each of the spatial light modulation devices and reflects the polarization component in a direction rotated by each of the spatial light modulation devices, a light synthesis device which synthesizes multiple rays of reflected light to be output as one ray of image light, and a securing member which simultaneously secures each of the polarization elements in a position corresponding to each of the spatial light modulation devices. The securing member is secured to the light synthesis device.

Abstract: Disclosed is a liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in a black state, two polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, and retardation films having equivalent optical anisotropy that are disposed between each of the two polarizing elements and the liquid-crystal cell, wherein the retardation films comprise a cellulose acylate and a liquid-crystal compound, and satisfy 30 nm?Re(550)?80 nm, 70 nm?Rth(550)?140 nm, Re(450)/Re(550)<1 and Re(650)/Re(550)>1.

Abstract: A liquid crystal display device includes a liquid crystal panel (2) disposed between two linear polarization plates (1, 3) and a triacetyl cellulose film having biaxial optical anisotropy (4), the triacetyl cellulose film having biaxial optical anisotropy (4) (i) being disposed further from the screen front side than a front polarization plate, which is one of the two linear polarization plates (1, 3), and (ii) having a planar retardation comprised in a range from 40 nm to 100 nm. Accordingly, it is possible to provide a liquid crystal display device allowing an observer to perceive, through polarized sunglasses and with a high display quality, an image on a screen not only from a frontal viewpoint but also if an azimuth angle and a polar angle at which viewpoints are set are shifted from the frontal viewpoint.

Abstract: The combination optical film of the invention comprises a plurality of optical films in which at least one end face of the optical films are butted against one another, wherein the butted end faces substantially match one another in shape, the butted end faces each have a portion non-vertical to the front and back surfaces of the optical films, and the end faces are butted against one another so as not to form a continuous gap in the normal direction of the optical films from the front to back surfaces. The combination optical film can prevent light leakage without degrading appearance.

Abstract: Disclosed is a liquid crystal display device having a wide viewing angle in which compensation films are provided between a liquid crystal display panel and each polarizer so as to change polarized states of input and output light of the liquid crystal display panel via the polarizers, thereby preventing light leakage in a diagonal direction of the liquid crystal display device in a normally black mode.

Abstract: An in-plane switching type liquid crystal display comprising (a) first and second polarizing plates facing each other and spaced from each other; (b) a liquid crystal cell situated between said first and second polarizing plates; and (c) a compensation structure located between the liquid crystal cell and the first polarizing plate; wherein the director orientation of the liquid crystal layer being controlled by an electric field parallel to the polarizing plates; one said compensation structure is positioned between the liquid crystal cell and the first polarizing plate; the polarizing plates have transmission axes perpendicular to each other, and the compensation structure comprises at least one retardation layer of supramolecules involving at least one polycyclic organic compound with a conjugated ?-system and functional groups which are capable of forming non-covalent bonds between said supramolecules.

Abstract: The present invention provides a liquid crystal display device that has a higher contrast ratio in a wide viewing angle and that can be easily produced at low cost.

Abstract: An LCD device comprises a liquid crystal display panel. The liquid crystal display panel comprises a first substrate that has a plurality of pixels divided into a reflective portion and a transmissive portion therein, respectively. The liquid crystal display panel further comprises a second substrate that faces the first substrate, and a liquid crystal layer between the first substrate and the second substrate. Light introduced into the reflective portion of the first substrate through the second substrate is reflected to the second substrate from the reflective portion, and light introduced into the transmissive portion of the first substrate transmits the first substrate.

Abstract: A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizer placed on one side of the liquid crystal cell; a second polarizer placed on another side of the liquid crystal cell; a biaxial optical element placed between the liquid crystal cell and the first polarizer; and a negative C plate placed between the second polarizer and the biaxial optical element. A direction of an absorption axis of the first polarizer is substantially perpendicular to a direction of an absorption axis of the second polarizer. A refractive index ellipsoid of the biaxial optical element has a relationship of nx>nz>ny and a direction of a slow axis of the biaxial optical element is substantially parallel to the direction of the absorption axis of the first polarizer. A refractive index ellipsoid of the negative C plate has a relationship of nx=ny>nz.

Abstract: To provide a liquid crystal panel capable of realizing excellent display performance using a circular polarizing plate therein, and a liquid crystal display device and a terminal device using the same, with respect to a semi-transmission type liquid crystal display device in a horizontal electric field mode (In-Plane Switching: IPS). A viewer-side circular polarizing plate and a backside circular polarizing plate are disposed outside of a viewer-side substrate and a backside substrate respectively, and a viewer-side compensation plate and a backside compensation plate are disposed between the respective polarizing plates and substrates to reduce a refractive index anisotropy of a liquid crystal layer.

Abstract: A display device includes: a panel; a light source provided on a surface disposed with facing at an interval of a predetermined distance from the back of the panel of said panel; and at least one optical sheet placed in front of said light source; wherein said optical sheet is placed with predetermined inclination angle to the above back of the panel so that it becomes closer from the top end to the bottom end of the back of the panel of said panel.

Abstract: A projection display apparatus is provided with a liquid crystal panel, and first to third polarizing layers are arranged on an optical path of light. The transmission axis of the first polarizing layer and the transmission axis of the second polarizing layer orthogonally intersect with each other. The transmission axis of the second polarizing layer and the transmission axis of the third polarizing layer are parallel to each other. The first compensation layer compensates a phase difference generated due to pre-tilt angle on the entering side of the liquid crystal panel. The second compensation layer compensates a phase difference generated due to a pre-tilt angle on the outgoing side of the liquid crystal panel. The third compensation layer compensates a phase difference generated due to deviation between the polarization axis of the light entering the third polarizing layer and the transmission axis of the third polarizing layer.

Abstract: A flat panel display including a first substrate, a second substrate, a light emitting region between the first and second substrates, and a sealant applied outside of the light emitting region, wherein the sealant has a rectangular shape and includes a first sealing part and a third sealing part opposite each other, and a second sealing part and a fourth sealing part opposite each other, the first, second, third, and fourth sealing parts being interconnected, and wherein the flat panel display includes a compensating part corresponding to at least one of the first, second, third, and fourth sealing parts on or in the first or second substrate.

Abstract: The present invention is a lengthy-shaped polarizing plate comprising a linearly-polarized light separation element, a linear light polarizing film and a protection film in this order, wherein said linearly-polarized light separation element includes a layer composed of a resin A whose inherent birefringence value is negative and has a linearly-polarized light transmission axis in a crosswise direction.

Abstract: A liquid crystal display including a twisted nematic liquid crystal panel and first and second substrates with the twisted nematic liquid crystal panel arranged therebetween. A first biaxial retardation compensation film faces the first substrate and a second biaxial retardation compensation film faces the first biaxial retardation compensation film with the twisted nematic liquid crystal panel arranged therebetween.

Abstract: There is provided a liquid crystal panel exhibiting a high contrast ratio and a liquid crystal display apparatus including the liquid crystal panel. The liquid crystal panel of the present invention includes a first polarizer, a first optical compensation layer, a liquid crystal cell, a second optical compensation layer, and a second polarizer in the stated order from a viewer side. The first optical compensation layer and the second optical compensation layer have a refractive index profile of nx>ny>nz, and a light transmittance (T2) of the second polarizer is larger than a light transmittance (T1) of the first polarizer.

Abstract: The present invention provides a liquid crystal display (LCD) apparatus. The LCD apparatus comprises a TFT-LCD module and a corresponding phase retarder, and a light adjustment plate is disposed between the TFT-LCD module and the phase retarder and configured to reduce an optical path difference of a light emitted from the phase retarder. Alternatively, the TFT-LCD module comprises a light adjustment plate configured to reduce the optical path difference of the light emitted from the phase retarder. The present invention can mitigate crosstalk when viewing 3D images.

Abstract: First and second polarizers are disposed in cross-Nichol configuration. A liquid crystal cell is disposed between the two polarizers and establishes vertical alignment in a state of no voltage application. An even number of optical films having optical anisotropy and disposed between the liquid crystal cell and first polarizer. A retardation of the liquid crystal cell is in a range between 300 nm and 1500 nm; and each optical film satisfies nx>n?z, an in-plane retardation is smaller than 300 nm, a thickness direction retardation is in a range between 50 nm and 300 nm, an angle between an in-plane slow axis of the optical film disposed nearest to the first polarizer and an absorption axis of the first polarizer is smaller than 45°, and the slow axes of mutually adjacent optical films are perpendicular to each other.

Abstract: An optical component capable of changing polarization light state and a liquid crystal display (LCD) device using the same are provided. The optical component including a transparent substrate and a wavelength compensator is disposed at any position from the outer side of the LCD device to the outside in an output direction of an output light. The wavelength compensator is directly attached to the surface of the substrate to convert an output light of the LCD device from a linearly polarized light into a circularly polarized light or an elliptically polarized light, thereby effectively reducing eye fatigue. The LCD device is provided with such an optical component such that a linearly polarized light emerging from the LCD device is converted into a circularly polarized light or an elliptically polarized light to lessen the eye fatigue.

Abstract: A vertical alignment type liquid crystal display, which has a liquid crystal layer whose retardation value is about 600 nm or more, can solve the viewing angle problems associated with the wider viewing angle. The liquid crystal display can include a vertical alignment liquid crystal cell, and first and second polarizing plates cross-Nicol disposed on respective sides of the liquid crystal cell. The liquid crystal cell has a liquid crystal layer with a retardation of about 600 nm or more. A C-plate and an A-plate are provided between the liquid crystal cell and the first polarizing plate, and two C-plates are provided between the liquid crystal cell and the second polarizing plate.

Abstract: A liquid crystal display device includes a liquid crystal layer which is arranged between first and second aligning films formed on inner sides of first and second substrates, has liquid crystal molecules twist-aligned in a direction from the first aligning film toward the second aligning film when an electric field is not applied between first and second electrodes, and generates retardation of substantially ?/2 with respect to transmitted light. First and second polarizing plates are arranged on outer sides of the first and second substrates. A transmission axis or an absorption axis of the first polarizing plate is substantially matched with a direction along which the liquid crystal molecules in the vicinity of the first aligning film are aligned when a sufficiently intensive electric field is applied.

Abstract: A circular polarizer comprising a single linear polarizer producing a linear state of polarization and at least one phase retardation film layered with the single linear polarizer. In a first embodiment, the at least one phase retardation film includes at least one uniaxial A-plate phase retardation film and at least one uniaxial C-plate phase retardation film. In a second embodiment of the invention, the circular polarizer includes a linear polarizer and at least one biaxial phase retardation film layered with the linear polarizer. In another example of the circular polarize of the second embodiment, at least one uniaxial A-plate phase retardation film and/or at least one uniaxial C-plate phase retardation film is also layer with the linear polarize and the biaxial phase retardation film.

Abstract: A liquid crystal display device includes a liquid crystal layer which is arranged between first and second aligning films formed on inner sides of first and second substrates, has liquid crystal molecules twist-aligned in a direction from the first aligning film toward the second aligning film when an electric field is not applied between first and second electrodes, and generates retardation of substantially ?/2 with respect to transmitted light. First and second polarizing plates are arranged on outer sides of the first and second substrates. A transmission axis or an absorption axis of the first polarizing plate is substantially matched with a direction along which the liquid crystal molecules in the vicinity of the first aligning film are aligned when a sufficiently intensive electric field is applied.

Abstract: A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy ?? represented as following Expression (1) is 2.5×10?24 cm3 or higher: Expression (1): ??=?x?(?y+?z)/2, wherein ?x, ?y and ?z is as defined in the specification; and (b) when a substitution degree by a substituent of which ?? is 2.5×10?24 cm3 or higher is PA, and a substitution degree by a substituent of which ?? is lower than 2.5×10?24 cm3 is PB, the PA and PB satisfy following Expressions (3) and (4): Expression (3): 2PA+PB>3.0; and Expression (4): PA>0.2.

Abstract: A liquid crystal display device that has a higher contrast ratio in a wide viewing angle and that can be easily produced at low cost. The liquid crystal display device may include polarizers and multiple birefringent layers. A first birefringent layer (I) can have an in-plane slow axis forming an angle of about 45° with an absorption axis of the first polarizer; the second birefringent layer (I) can have an in-plane slow axis substantially orthogonal to the in-plane slow axis of the first birefringent layer (I).

Abstract: An optical film 10 of the present invention includes a plurality of optically anisotropic layers 13 which are laminated, wherein the optically anisotropic layer including: a photoalignment layer (A) 11, in which a liquid crystal aligning capability has been generated by means of photoirradiation; and a polymer layer (B) 12, which contains a liquid crystal compound that has a polymerizable group, and which is obtained by polymerization in a state where it has been aligned by the photoalignment layer (A) 11, wherein the photoalignment layer (A) 11 and the polymer layer (B) 12 are bonded by covalent bonding. The plurality of optically anisotropic layers 13 may be an optically anisotropic layer 13 having a function of a one-half wavelength plate, and an optically anisotropic layer 13 having a function of a one-quarter wavelength plate.

Abstract: An adhesion promoter for enhancing the bond between adjacent layers of a multilayer structure to prevent delamination thereof is disclosed. The adhesion promoter comprises an aromatic polyimide-based UV-cured acrylate. Also disclosed are laminated structures including liquid crystal displays and bonded missile domes that utilize an adhesion promoter of the invention, and methods for fabricating such structures.

Abstract: A phase difference element and a display device having the phase difference element are provided. A base film 31 of the phase difference element 30 includes, for example, a thin resin film having optical anisotropy. A slow axis AX3 of the base film 31 points in a vertical or horizontal direction, and points in a direction intersecting with a slow axis AX1 of a right-eye region 32A of the phase difference element 30 and with a slow axis AX2 of a left-eye region 32B thereof. Thus, influence due to optical anisotropy of the base film 31 is exerted on each light being transmitted by the base film 31, so that the influence is not extremely greatly exerted on only one of light corresponding to a right eye and light corresponding to a left eye, the respective light being transmitted by the base film 31.

Abstract: A liquid crystal display panel includes a liquid crystal panel having a plurality of pixels; a microlens array provided on a light-incident side of the liquid crystal panel; a first polarizing plate and a first optical compensation element provided on a light-outgoing side of the liquid crystal panel; and a second polarizing plate and a second optical compensation element provided on a light-incident side of the microlens array. The retardation of the first optical compensation element along the thickness direction is greater than the retardation of the second optical compensation element along the thickness direction.

Abstract: A transflective liquid crystal display device includes a liquid crystal film and a polarizing plate on a backlight source side. A transflective liquid crystal display device includes an uniaxially anisotropic film (a quarter wave plate) and a polarizing plate on a visual confirmation side. The liquid crystal film has the nematic hybrid orientation, in which a polymeric liquid crystal substance formed in a liquid state is fixed. The optical axis of the anisotropic film is disposed to be orthogonal or substantially orthogonal to that of the liquid crystal film.

Abstract: To provide a retardation film in which the retardation condition is adjusted to achieve a liquid crystal display without coloration over a wide viewing angle range and having a high contrast ratio, and a method of designing the same, as well as a polarizing film and a liquid crystal display using the same. A liquid crystal display comprising a liquid crystal cell and polarizing films in a Cross-Nicol relationship with each other on both sides of the liquid crystal cell; wherein at least one polarizing film includes a retardation film having reverse wavelength dispersion property; and the liquid crystal display further includes a retardation film having a wavelength dispersion property substantially the same as a liquid crystal layer configuring the liquid crystal cell.

Abstract: Optical filter which is adapted to prevent the reflection of external light and improve a signal level of a signal sent from a display device by preventing attenuation thereof, and which is further adapted to prevent a change in hue of an image and to improve the hue, contrast and brightness of an image, thereby enhancing visibility. First, a liquid crystal display device (1) outputs light which is linearly polarized light. First linearly polarizing plate (2) is mounted in the filter in such a manner as to be adjusted to an axis of polarization of the linearly polarized light. Namely, the light outputted from the liquid crystal display device (1) passes through the first linearly polarizing plate (2) without being changed. The light passing through the first linearly polarizing plate (2) is then changed by a first quarter-wave phase difference plate (11) into circularly polarized light so that the phase difference between extraordinary light and ordinary light is (1/4) of the wavelength.