Abstract: A polarizing lamp includes a polarization beam splitter, a metallic grating reflector having metallic gratings with a trapezoidal profile, and an unpolarized light source positioned between the polarization beam splitter and the metallic grating reflector.

Abstract: A transflective display includes pixels each including a reflective (R) sub-pixel, a transmissive (T) sub-pixel, and electrodes having features to cause multiple domains to form in a liquid crystal layer of the R sub-pixel and the T sub-pixel. The electrodes in the R sub-pixels have features that are different from features of the electrodes in the T sub-pixel to cause the liquid crystal layer in the R sub-pixel to have an optical phase retardation that is between 20% to 80% of an optical phase retardation of the liquid crystal layer in the T sub-pixel. The R sub-pixel and the T sub-pixel have substantially the same cell gap and are driven by the same pixel voltage.

Abstract: 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.

Abstract: 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.

Abstract: Methods and apparatus for a liquid crystal display with embedded photovoltaic cells for high energy efficiency. The LCD with photovoltaic cell comprises a first linear polarizer, a second linear polarizer, a first and second substrate, a liquid crystal cell formed between two substrates, and a backlight unit at the backplane of the display. Further, the display device has many repetitive pixels in the LC cell, each pixel region comprises a transmissive region that can pass the light from the backlight, and another region that is backlight blocking. A photovoltaic cell is formed on the bottom substrate to substantially cover the backlight blocking region. In one embodiment, the LCD is a transflective display, and in another embodiment, the LCD is a pure transmissive display that relies on backlight for displaying images.

Abstract: A display includes a plurality of pixel circuits, each pixel circuit including a first electrode, a second electrode, a reflective region, and a transmissive region. The reflective region reflects ambient light and includes a first portion of a liquid crystal layer and a polarization dependent reflector. The transmissive region transmits backlight and includes a second portion of the liquid crystal layer. A dielectric layer is between the first and second electrodes in one of the reflective region and the transmissive region, the dielectric layer configured such that when a pixel voltage is applied to the first and second electrodes, the percentage of the pixel voltage applied across the first portion of the liquid crystal layer is different from the percentage of the pixel voltage applied across the second portion of the liquid crystal layer. The display includes a backlight module to generate the backlight.

Abstract: A display method used for a display which has a backlight module suitable to provide more than M types of primary color lights, where M=3. The display panel of the display has an array of pixel regions. The display method provides these pixels regions to display multiple image data to be display in multiple frame times. Each of the image data includes (L1N, L2N, . . . , LMN) each representing the brightness of the M primary color light in each pixel region, where N is a positive integer. The backlight module sequentially provides M-1 primary color lights within any two successive frame times, so allow the image data to drive the pixel regions. The first and the Mth primary color lights provide the frame times for these two successive frame times.

Abstract: A wide viewing angle transflective liquid crystal display includes a retardation film and pixels positioned between first and second substrates, each pixel including a transmissive region and a reflective region. The retardation film has a phase retardation that compensates the phase retardation of a liquid crystal layer in the transmissive region for normal incident light to achieve a dark state when no data voltage is applied to the pixel. The retardation film and a liquid crystal layer in the reflective region has a phase retardation in a range between 0.22? and 0.28? with respect to normal incident light to achieve a dark state when no data voltage is applied to the pixel, ? being the wavelength of the incident light.

Abstract: A displaying method and device. The display device includes a back light module and a display panel. The back light module emits at least M color lights. The display panel includes a plurality of pixel areas arranged in array structure, wherein each pixel area comprises N color filters, and at least one of the color filters is for passing through a plurality of primary color lights. In the displaying method, the back light module provides at least M color lights in a frame time, and a frame is displayed by arranging the M color lights and the N color filters in each pixel area, wherein M?2 and N?2. Moreover, the display panel may include an active component array substrate, a liquid crystal layer and a color filter substrate. In addition, any two adjacent pixel areas can share at least one color filter.

Abstract: A transflective display includes pixels each including a first electrode, a second electrode, a liquid crystal layer associated with the first and second electrodes, and a conductive reflective layer between the liquid crystal layer and the second electrode to reflect ambient light. The conductive reflective layer is insulated from the second electrode and covers less than all of the second electrode to allow backlight to be transmitted through a portion of the pixel not covered by the conductive reflective layer.

Abstract: A liquid crystal display includes pixels, each pixel including a transmissive region and a reflective region. The transmissive region has a liquid crystal layer having a homogeneous alignment, and the reflective region has a liquid crystal layer having a hybrid alignment. In the transmissive region, an alignment layer, a common electrode, and a pixel electrode are on a same side of the liquid crystal layer. In the reflective region, an alignment layer, a common electrode, and a reflective pixel electrode are on a same side of the liquid crystal layer. The alignment layer of the reflective region has an alignment direction that is different from that of the alignment layer of the transmissive region.

Abstract: A polarizing lamp includes a polarization beam splitter, a metallic grating reflector having metallic gratings with a trapezoidal profile, and an unpolarized light source positioned between the polarization beam splitter and the metallic grating reflector.

Abstract: A transflective liquid crystal display (LCD) panel includes an active device array substrate, an opposite substrate, and a liquid crystal layer in between. The active device array substrate includes scan lines, data lines, and pixel units. Each pixel unit includes an active device, a reflective pixel electrode, and a transparent pixel electrode. The active device is electrically connected to the corresponding scan line and data line. The reflective pixel electrode and the transparent pixel electrode are respectively disposed in a reflective region and a transmissive region and both electrically connected to the active device. The liquid crystal molecules in the reflective region are pre-tilted at a pretilt angle.

Abstract: Methods, systems and apparatus for a liquid crystal display panel having a first substrate with a color filter, an over-coating and a common electrode. The second substrate includes an insulating layer surface facing the first substrate, a pixel electrode, a plurality of common and pixel domain guides formed on the common and the pixel electrodes, a plurality of electric shields on one of the common or pixel electrodes and a liquid crystal layer vertically aligned between the first and second substrates. The panel also includes a drive circuit for applying a voltage to generate an electric field to control liquid crystal molecule orientation corresponding to the plurality of domain guides and electric shields to form a multi-domain liquid crystal display panel device. The plural domain guides are either protrusions or slits formed in the common electrode and the pixel electrode to form the multi-domain vertical alignment liquid crystal device.

Abstract: Apparatus, methods and systems for a transmissive liquid crystal display including a plurality of pixel circuits, each pixel circuit including a reflective region and a transmissive region. The reflective region includes a polarization dependent reflector for reflecting ambient light. The reflective and transmissive regions include an initially homogeneously aligned liquid crystal layer sandwiched between a first and a second substrate. Each pixel further includes at least one first transparent electrode as the common electrode and at least one second transparent electrode as the pixel electrode both formed on one of the same first and second substrates, wherein substantial fringe fields with rich horizontal electric fields are generated in the liquid crystal layer when voltage is applied to the pixel electrode, making the liquid crystal molecules rotate mainly in the horizontal direction to achieve wide viewing angle.

Abstract: Apparatus and methods for a polarization converter comprising a polarization beam splitter for receiving an input light beam and allows a transverse magnetic to pass through the polarization beam splitter and reflects a transverse electric wave and a diffraction grating having a reflectivity and polarization convertible grating for receiving the transverse electric wave reflects back a reflected transverse electric wave having a polarization rotation. The broadband wide-angle polarization beam splitter can be alternative optical elements such as a prism or an optical device having multi-layered films.

Abstract: A three-dimensional liquid crystal display (LCD) system may adjust the luminance of a backlight source to prevent a user from seeing a residual image. A backlight source may provide a darker first luminance when the system is updating frames and a brighter second luminance when the three-dimensional LCD system is in a blanking period. Residual images problems are thus avoided and electricity may be conserved.

Abstract: A liquid crystal display includes a first substrate having a first electrode and a first alignment film, a second substrate having a second electrode and a second alignment film, and a liquid crystal layer having liquid crystal molecules between the first and second substrates. The liquid crystal layer is doped with a chiral material that tends to induce a twist in directors of the liquid crystal molecules when an electric field is applied to the liquid crystal layer using the first and second electrodes. The first alignment film has a first alignment direction, the second alignment film has a second alignment direction, and the first and second alignment films have orientations that tend to induce a twist in the directors when an electric field is applied to the liquid crystal layer, in which the direction of twist induced by the first and second alignment films is different from the direction of twist induced by the chiral material.

Abstract: A method of driving a liquid crystal display apparatus is provided. Each pixel of the liquid crystal display apparatus has a first sub-pixel and a second sub-pixel. The method of driving the liquid crystal display apparatus includes receiving a selecting signal and then deciding the display mode of the liquid crystal display apparatus. When the liquid crystal display apparatus is in a normal display mode, the second sub-pixels are deactivated. When the liquid crystal display apparatus is on a restricted view-angle display mode, some of the second sub-pixels are chosen and activated.

Abstract: Apparatus and methods for a polarization converter comprising a polarization beam splitter for receiving an input light beam and allows a transverse magnetic to pass through the polarization beam splitter and reflects a transverse electric wave and a diffraction grating having a reflectivity and polarization convertible grating for receiving the transverse electric wave reflects back a reflected transverse electric wave having a polarization rotation. The broadband wide-angle polarization beam splitter can be alternative optical elements such as a prism or an optical device having multi-layered films.