| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 349099000 | With particular non-zero angle between polarization axis and orientation direction | 27 |
| 20090115946 | Liquid crystal display device - An absorption axis of a polarizer on a viewer's side is set to an arbitrary direction to cope with problems attributed to polarization sunglasses or the like. Video lines extend in a reference direction as a whole while being bent locally. Assuming a narrow-side angle out of intersection angles between the reference direction and the extension direction of a portion of the video line as θ | 05-07-2009 |
| 20090141217 | Liquid Crystal Display Device - A liquid crystal display device includes a liquid crystal panel including a first substrate having a thin film transistor and forming a transmissive region and a reflective region thereon, a second substrate facing the first substrate and a liquid crystal layer interposed between the first and second substrates and being in an electrically controlled birefringence (ECB) mode, a first optical unit attached to an external surface of the first substrate and having a first polarizing layer, and a second optical unit attached to an external surface of the second substrate and having a second polarizing layer and a compensation film interposed between the second substrate and the second polarizing layer, the compensation film having a single λ/2 film. | 06-04-2009 |
| 20090147187 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - Pixels of an LCD are divided into two sub-pixels, one for a reflective mode and one for a transmittive mode. The cell gaps of both sub-pixels are the same, improving fabrication ease. A novel photoalignment technique is used together with a shadow mask in an embodiment of the invention. Double exposure of the alignment layer with different orientations produces different alignment directions, thereby achieving the different LCD modes for the sub-pixels. | 06-11-2009 |
| 20090284694 | FLAT DISPLAY DEVICE - A flat display device includes a flat display panel, an upper polarizing plate disposed on a light exit plane of the flat display panel, and a lower polarizing plate disposed on a light entrance plane of the flat display panel. The upper polarizing plate includes a wide view film, and its absorption axis and a horizontal view direction of the flat display panel have an included angle of about 15 degrees. The absorption axis of the lower polarizing plate and the horizontal view direction of the flat display panel have an included angle of about 105 degrees. | 11-19-2009 |
| 20100066949 | LIQUID CRYSTAL DISPLAY APPARATUS - Provided is a liquid crystal display apparatus including: a liquid crystal panel including a pair of substrates; a liquid crystal layer sandwiched by the pair of substrates; plural electrodes formed on at least one of the pair of substrates; and a pair of polarizers provided in respective outsides of the pair of substrates; and a back light unit provided in a rear of the liquid crystal panel, in which one of the pair of polarizers, which is provided at a side of the back light unit, includes at least two types of layers which cause polarization, and in which the two types of layers include a first layer provided on a side of the liquid crystal layer and a second layer provided on a side of the back light unit, the first layer being a negative uniaxial polarizer layer, the second layer being a positive uniaxial polarizer layer. | 03-18-2010 |
| 20100289989 | OPTICAL ELEMENT AND DISPLAY DEVICE USING THE SAME - An optical element is arranged in such a manner that a screen thereof can be hardly observed from a predetermined direction, and a deterioration of an image quality caused by moire does not occur. The optical element is constituted by a first polarizing layer, a second polarizing layer, and a liquid crystal layer arranged between these two polarizing layers. In the optical element, absorption axes of the first polarizing layer and the second polarizing layer are located parallel to each other; the liquid crystal layer is made of hybrid-aligned discotic liquid crystal; and an alignment axis of the liquid crystal layer is located parallel to, or perpendicular to both absorption axes of the first polarizing layer and of the second polarizing layer. | 11-18-2010 |
| 20100321615 | LCD BASED POLARIZATION, PHASE AND AMPLITUDE SPATIAL LIGHT MODULATOR - An optical pulse shaper includes an optical delay line; a spatial light modulator placed at the Fourier plane of the optical delay line having a spectral amplitude spatial light modulator; a spectral phase and polarization ellipticity spatial light modulator; and a spectral polarization rotator; and a controller configured to independently control an amplitude, a phase and polarization ellipticity, and a linear polarization of an optical pulse. A method for shaping an optical pulse is also provided. | 12-23-2010 |
| 20110102713 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a multi-domain type liquid crystal display device with a vertical alignment liquid crystal layer that can get a display operation done without making the viewer sense any unnaturalness and with the decrease in optical transmittance minimized. In the liquid crystal display device of this invention, the liquid crystal layer of each pixel has liquid crystal regions in which liquid crystal molecules tilt in multiple different directions when a voltage is applied between first and second electrodes. Each pixel has an opaque portion arranged on a boundary between the liquid crystal regions. The opaque portion is provided for at least one of the substrates so that when a voltage is applied between the first and second electrodes, the liquid crystal molecules neighboring the boundary will tilt while turning one of their end portions, which is closer to the substrate with the opaque portion, away from the boundary. The opaque portion includes a first shielding layer and a second shielding layer, which overlaps with the first shielding layer with a predetermined gap left between them. | 05-05-2011 |
| 20110242462 | POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - A polarizing plate for a liquid crystal display is provided and includes a first protective film, a polarizer, a second protective film and a light diffusion layer in order. The light diffusion layer is a layer including a translucent resin and translucent particles having a refractive index different from a refractive index of the translucent resin. The internal haze of the light diffusion layer is 45% to 80%. | 10-06-2011 |
| 20120038860 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes first and second substrate facing each other, a pixel electrode and a common electrode on an inner surface of the first substrate and generating an electric field substantially parallel to the first substrate, a first alignment layer on the inner surface of the first substrate and homeotropically aligned, a first polarizer on an outer surface of the first substrate and having a first polarization axis, a second alignment layer on an inner surface of the second substrate and homogeneously aligned, a second polarizer on an outer surface of the second substrate and having a second polarization axis perpendicular to the first polarization axis, and a liquid crystal layer between the first and second alignment layers. | 02-16-2012 |
| 20120086893 | PHOTO ALIGNMENT PROCESS AND LIQUID CRYSTAL DISPLAY USING THE SAME - A photo alignment process and a liquid crystal display using the same are provided. The photo alignment process includes the following steps. A photo alignment material layer is formed on a substrate. The photo alignment material layer is irradiated by a linearly polarized light. A surface of the photo alignment material layer is a first plane. A wave vector of the linearly polarized light is a K vector. A second plane is constructed from a normal vector of the first plane and the K vector. A polarization direction of the linearly polarized light is neither perpendicular nor parallel to the second plane. | 04-12-2012 |
| 20120229739 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR - A liquid crystal display device ( | 09-13-2012 |
| 20130027643 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a main pixel electrode having a first width in a first direction and a first edge extending in a second direction, and a sub-pixel electrode. The sub-pixel electrode has a second width, which is greater than the first width in the first direction, has a third width, which is a maximum width in the first direction at a central portion of the sub-pixel electrode, has a fourth width in the second direction at a position with a first distance from the first edge in the first direction, and has a fifth width, which is less than the fourth width at a position with a second distance, which is greater than the first distance, from the first edge in the first direction. | 01-31-2013 |
| 20130038823 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a main pixel electrode which extends in a second direction, a sub-pixel electrode which extends in a first direction and crosses the main pixel electrode, a color filter which includes a first aperture portion defined by a first edge surrounding a position opposed to cross points between the main pixel electrode and the sub-pixel electrode, main common electrodes which extend in the second direction on both sides of the main pixel electrode. | 02-14-2013 |
| 20130077028 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, pixels a first polarizer having a first absorption axis, a second polarizer having a second absorption axis, a first retardation film having a first slow axis, and a second retardation film having a second slow axis. Each of the pixels includes a primary pixel electrode and a pair of primary common electrodes. Re1| 03-28-2013 | |
| 20140055725 | OPTICAL COMPENSATION STRUCTURE AND DISPLAY DEVICE - An optical compensation structure and a display device are disclosed. The former comprises a front side polarizer and a rear side polarizer arranged at both sides of a VA liquid crystal unit; the front side polarizer includes a front side polarization unit and a first front side TAC film; the absorption axis of the front side polarization unit is perpendicular to the horizontal normal of the VA liquid crystal unit; the rear side polarizer includes a rear side polarization unit and a biaxial film; and the absorption axis of the rear side polarization unit is parallel to the horizontal normal. The region having serious dark-state light leakage can be transferred from a horizontal viewing angle to a vertical viewing angle, which improves the display effect. Meanwhile, there is no addition of the number of layers of the biaxial film, which reduces the cost. | 02-27-2014 |
| 20140092348 | RETARDATION FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHODS OF PRODUCING RETARDATION FILM AND POLARIZING PLATE - Provided is a retardation film that can be incorporated into a liquid crystal display device having low power consumption. The retardation film includes a support (A) and a rodlike liquid crystalline compound layer (B), which satisfies a particular brightness when the retardation film is incorporated into a liquid crystal device. | 04-03-2014 |
| 20140176881 | LIQUID CRYSTAL DISPLAY DEVICE - This liquid crystal display device ( | 06-26-2014 |
| 20140211132 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device provided with light fastness, stabilized alignment of liquid crystal, and excellent display quality. The liquid crystal display device of the present invention is a liquid crystal display device in which at least one of a pair of substrates includes a photo-alignment film, and an electrode in the stated order from the liquid crystal layer side; the photo-alignment film aligns liquid crystal molecules horizontally to the photo-alignment film surface; a polarization transmission axis direction of a polarizing element in the observation surface side of the liquid crystal cell crosses an alignment direction of liquid crystal molecules at a voltage lower than the threshold voltage in the liquid crystal layer; and a material constituting the photo-alignment film contains a material for aligning liquid crystal molecules in a direction crossing a polarization direction of polarized light by polarized light irradiated to the photo-alignment film. | 07-31-2014 |
| 20140218667 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device provided with light fastness, stabilized alignment of liquid crystal, and excellent display quality by a polymer layer disposed on a photo-alignment film. The liquid crystal display device of the present invention is a liquid crystal display device in which at least one of a pair of substrates includes a polymer layer, a photo-alignment film, and an electrode in the stated order from a liquid crystal layer side; the photo-alignment film aligns liquid crystal molecules horizontally; a polarization transmission axis direction of a polarizing element in observation surface side of a liquid crystal cell is along an alignment direction of liquid crystal molecules at a voltage lower than the threshold voltage; and a material constituting the photo-alignment film contains a material for aligning liquid crystal molecules in a direction crossing a polarization direction of polarized light by polarized light irradiated to the photo-alignment film. | 08-07-2014 |
| 20140347609 | DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE - A display apparatus is provided. The display apparatus comprises a liquid crystal display device, a first polarizer and a diffractive optical element. The first polarizer is disposed on a light emitting side of the liquid crystal display device. An azimuth angle of a polarizing direction of the first polarizer is 90 degrees. The diffractive optical element is disposed on the light emitting side of the liquid crystal display device and comprises at least a first diffraction grating. An azimuth angle of a grating direction of the first diffraction grating is 10±30 degrees or 85±25 degrees. | 11-27-2014 |
| 20150036085 | DISPLAY DEVICE SWITCHABLE BETWEEN MIRROR MODE AND DISPLAY MODE - Disclosed herein is a display device switchable between a mirror mode and a display mode. The display device includes a display panel, a polarizing element and a reflective polarizer. The display panel has a light-emitting surface for emitting a polarized light. The polarizing element has an absorption axis, and is disposed on a side adjacent to the light-emitting surface. The polarizing element is switchable between a polarizing mode and a non-polarizing mode. When the polarizing element is operated in the polarizing mode, the polarizing element absorbs a polarized light in the polarization direction parallel with the absorption axis. When the polarizing element is operated in the non-polarizing mode, the polarizing element allows the polarized light emitted from the display panel to pass there through. The reflective polarizer is disposed between the display panel and the polarizing element. | 02-05-2015 |
| 20150036086 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a first polarizer; a liquid crystal cell including a liquid crystal layer containing liquid crystal molecules aligned in parallel with a substrate of the liquid crystal cell; a first compensation film; and a second polarizer, wherein, as viewed perpendicularly to the substrate, an absorption axis of the first polarizer is parallel with an optical axis of the first compensation film, and an angle φ between the absorption axis of the first polarizer and an optical axis of the liquid crystal layer satisfies 0°<φ, in a cross section of the liquid crystal cell as viewed along a transmission axis of the first polarizer, an optical axis of the liquid crystal layer and the optical axis of the first compensation film have a tilt angle in the same direction to a face of the substrate, and the first compensation film has a positive birefringence. | 02-05-2015 |
| 20150055063 | DISPLAY APPARATUS - A display apparatus includes a first substrate, a second substrate and a liquid crystal layer. The first substrate has a curved first side. The Range of curvature radius of the first side is between 500 mm and 10000 mm. On the first substrate is defined at least a datum line. The included angle of the datum line and the first side is between 80 degrees and 100 degrees. The second substrate is disposed opposite to the first substrate. The liquid crystal layer has a plurality of liquid crystal molecules. Wherein, the liquid crystal molecules at the datum line corresponding in a pixel area have a first tilt direction and a second tilt direction respectively, and the first tilt direction and the second tilt direction are different. | 02-26-2015 |
| 20160187722 | LIQUID CRYSTAL DISPLAY DEVICE - In an FFS liquid crystal display device, viewing angle characteristics are further improved. In an FFS liquid crystal display device, the alignment axis of a first alignment film of a first substrate and the alignment axis of a second alignment film of a second substrate are directed in the same direction. At least two of an upper polarizer, a lower polarizer, or a retardation plate | 06-30-2016 |
| 349100000 | For ferroelectric liquid crystal | 1 |
| 20140327862 | FERROELECTRIC LIQUID CRYSTAL COMPOSITION AND FERROELECTRIC LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a ferroelectric liquid crystal composition and a ferroelectric liquid crystal display element. | 11-06-2014 |
| 349101000 | For supertwisted nematic liquid crystal | 1 |
| 20090096964 | Liquid crystal display device and method for designing the same - A trans-reflective type In-Plane Switching (IPS)-LCD device capable of implementing a single gap and a wide viewing angle, and minimizing an occurrence area of disclination at an interface between a transmission region and a reflection region, and a method for designing the same. First and second alignment layers have characteristics to allow LC in a transmission region can be aligned in the same direction as a transmission axis of a lower polarizer. A third alignment layer is aligned so that the LC in the reflection region can be twisted from a lower side to an upper side with a predetermined twisted angle (Θ). Here, the twisted angle (Θ) of the LC in the reflection region, and an angle (α) between an alignment direction of an uppermost LC in the reflection region and the transmission axis of the upper polarizer are set so that optical reflectivity in the reflection region is ‘0’ when the LC is not driven. | 04-16-2009 |
