Patent application number | Description | Published |
20090218426 | HIGH SPEED ORBITING BALL MEDIA PROCESSORS - According to one embodiment, a ball mill for working generally spherically shaped target particles into a flake-shaped end product is provided. The ball mill includes a milling tube, one or more milling balls disposed within the milling tube, and a vibration source that is positioned and adapted to move the milling tube such that its central axis follows along a substantially circular path. The continuously changing direction of the acceleration of the milling tube results in each of the milling balls following a respective, substantially orbital path about the milling tube's central axis. As the milling balls follow the respective, orbital paths, the milling balls come into contact with and transform the target particles into flakes. In a further embodiment, the ball mill may further include a virtual particle separator configured to route intermediate particles back to an inlet portion of the milling tube for additional processing time. | 09-03-2009 |
20100139226 | CERAMIC NANOFIBERS FOR LIQUID OR GAS FILTRATION AND OTHER HIGH TEMPERATURE (> 1000 .degree.C) APPLICATIONS - In accordance with the invention there are devices and processes for making ceramic nanofiber mats and ceramic filters for use in high temperature and in corrosive environments. The process for forming a ceramic filter can include electrospinning a preceramic polymer solution into a preceramic polymer fiber having a diameter from about 10 nm to about 1 micron and forming a preceramic polymer fiber web from the preceramic polymer fiber onto a collector. The process can also include pyrolyzing the preceramic polymer fiber web to form a ceramic nanofiber mat having a diameter less than the diameter of the preceramic polymer fiber, the ceramic nanofiber mat comprising one or more of an oxide ceramic and a non-oxide ceramic such that the ceramic fiber mat can withstand temperature greater than about 1000° C. | 06-10-2010 |
20110111387 | HIGH-EFFICIENCY VIABLE SAMPLER FOR ULTRAFINE BIOAEROSOLS - Exemplary embodiments provide bioaerosol detection systems and methods for detecting bioaerosols. In one embodiment, the bioaerosol detection system can include a humidifier to increase the humidity of a continuously flowing sample volume of a bioaerosol sample using a biologically compatible liquid medium, and an amplifier to deposit vapor on the bioaerosol sample for a particle size amplification process. Bioaerosol(s) can thus be detected and sampled while simultaneously maintaining their viability. The disclosed bioaerosol detection systems and the methods can provide high efficiency for sampling and detecting ultrafine bioaerosol(s) such as viruses and proteins, which can be smaller than 0.3 μm in diameter and can be as small as 20 nm. | 05-12-2011 |
20130001439 | INFRARED RADIATION FILTER SYSTEMS. METHODS OF USE, AND METHODS OF DISINFECTION AND DECONTAMINATION - In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, embodiments of the present disclosure, in one aspect, relate to infrared (IR) filter systems, methods of using the IR filter systems, and methods of degrading a contaminant, and the like. | 01-03-2013 |
20130074698 | MICROWAVE FILTER AIR PURIFICATION SYSTEMS, METHODS OF USE, AND METHODS OF DISINFECTION AND DECONTAMINATION - Embodiments of the present disclosure relate to microwave filter air purification systems, methods of using the microwave filter air purification systems, microwave absorbing filter packs, methods of degrading a contaminant, and the like. | 03-28-2013 |
20130192463 | COLLECTING DEVICE FOR GASES AND AEROSOL, METHODS OF MAKING, AND METHODS OF USE - Embodiments of the present disclosure provide for collection devices, methods of making collection devices, methods of collecting gases and aerosol particles, and the like. | 08-01-2013 |
20130239808 | COLLECTING DEVICE FOR GASES AND AEROSOL, METHODS OF MAKING, AND METHODS OF USE - Embodiments of the present disclosure provide for collection devices, methods of making collection devices, methods of collecting gases and aerosol particles, and the like. | 09-19-2013 |
20150157757 | Infrared Radiation Filter Systems, Methods of Use and Methods of Disinfection and Decontamination - In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, embodiments of the present disclosure, in one aspect, relate to infrared (IR) filter systems, methods of using the IR filter systems, and methods of degrading a contaminant, and the like. | 06-11-2015 |
Patent application number | Description | Published |
20120209277 | Depth of Impaction - A method for determining a depth of impaction of a prosthetic cup into an acetabulum using an end effector and a movable impactor shaft is provided, wherein the prosthetic cup may be positioned at a distal end of the impactor shaft. The method may position the distal end of the impactor shaft at a known pose relative to the end effector, track a spatial pose of the end effector relative to a spatial pose of the acetabulum, determine a spatial pose of the prosthetic cup based on the spatial pose of the end effector and the known pose between the distal end of the impactor shaft and the end effector, and determine the depth of impaction based on the spatial pose of the prosthetic cup and the spatial pose of the acetabulum. | 08-16-2012 |
20120209419 | System and Method for Surgical Planning - A system and method for determining inclination and version of a prosthetic acetabular cup relative to a coronal radiographic plane is provided. The system and method include the identification of a coronal radiographic plane in a three dimensional medical image. The system and method further include the identification of two symmetric landmarks on the pelvis to determine a mediolateral axis. The version and inclination can then be calculated based on the relationship between the axis of the acetabular cup, the coronal radiographic plan, and the mediolateral axis. | 08-16-2012 |
20130006267 | Surgical Robotic Systems with Manual and Haptic and/or Active Control Modes - A surgical robotic system is disclosed that provides a combination of a programmed control, such as active control or passive control, when a high degree of accuracy is required and manual control when a high degree of accuracy is not required, such as during the removal of osteophytes, irregular bone growth and/or soft tissue. Manual resection may be completed by switching from the programmed control mode to the manual control mode and allowing the surgeon free control of the cutting tool. The manual resection may be carried out using some navigational features of the robotic system such as allowing the surgeon to visualize the position of the cutting tool thereby allowing accurate resection of osteophytes, irregular bone and tissue while having the unrestricted freedom to move the cutting tool. The programmed control mode may be reserved for procedures that require a high degree of accuracy, for example, the reaming of a bone and placement of an implant onto the bone. | 01-03-2013 |
Patent application number | Description | Published |
20100080473 | System and Method for Compressing and Decompressing Images and Video - A system and method for image and video compression and decompression using compressive sensing is provided. A method for decompressing a compressed image, where the compressed image having a plurality of compressed image blocks, and the method is performed on a processor, includes selecting a compressed image block, entropy decoding the selected compressed image block, and recovering an image block corresponding to the decoded selected compressed image block using compressive sensing recovery. | 04-01-2010 |
20100098162 | System and Method for Bit-Allocation in Video Coding - A system and method for region-of-interest-based bit-allocation scheme for video coding is provided. A method for encoding an image sequence of inter-frames and intra-frames includes grouping the inter-frames and the intra-frames in at least one group of pictures (GOP), and performing a frame-level bit-allocation to inter-frames and the intra-frames in the GOP. For each frame of the inter-frames and the intra-frames in the GOP, the method also includes partitioning the frame into a plurality of macroblocks, identifying macroblocks in the plurality of macroblocks as having regions of interest (ROI), and performing a macroblock level bit-allocation for the frame based on macroblocks identified as having ROI. The method further includes encoding the image sequence based on the bit-allocations, thereby producing an encoded image sequence, and outputting the encoded image sequence. | 04-22-2010 |
20110188703 | System and Method for Securing Media Content - A system and method for securing media content are provided. A method for distributing security media content includes embedding a marking payload into media content, thereby producing embedded media content, applying a transform to the embedded media content, thereby producing secured media content, and distributing the secured media content. The marking payload is embedded based on perceptual information regarding the media content. | 08-04-2011 |
20120033949 | Video Skimming Methods and Systems - In an embodiment, a method of creating a skimming preview of a video includes electronically receiving a plurality of video shots, analyzing each frame in a video shot from the plurality of video shots, where analyzing includes determining a saliency of each frame of the video shot. The method also includes determining a key frame of the video shot based on the saliency of each frame the video shot, extracting visual features from the key frame, performing shot clustering of the plurality of video shots to determine concept patterns based on the visual features, and generating a reconstruction reference tree based on the shot clustering. The reconstruction reference tree includes video shots categorized according to each concept pattern. | 02-09-2012 |
20120076422 | System and Method for Image Authentication - In accordance with an embodiment, a method of authenticating images includes electronically receiving an anchor image and a query image, performing a feature point extraction of an anchor image, and performing a feature point extraction of a query image. The method also includes clustering feature points of the anchor image and feature points of the query image, where clustering includes determining matching feature points, determining outlier feature points, and excluding outlier feature points. Whether the anchor image is similar to the query image is determined based on a distance between the feature points of the anchor image and the feature points of the query image. If the anchor image is similar to the query image, possible tampered areas of the query image based on the outlier feature points are identified. | 03-29-2012 |
20120087583 | Video Signature Based on Image Hashing and Shot Detection - In accordance with an embodiment, A method of comparing a first group of frames to a second group of frames includes electronically receiving the first group of frames, selecting a group of frames from the first group of frames as a first key frame set, calculating a hash distance between an image hash for each frame in the first key frame set to an image hash of each frame of a second key frame set taken from second group of frames, and choosing frames in the first group of frames with a minimum hash distances to respective reference frames to form a series of minimum hash distances. | 04-12-2012 |
20130050574 | System and Method for Retargeting Video Sequences - A system and method for retargeting video sequences are provided. A method for retargeting a video includes a plurality of frames includes determining saliency information for the plurality of frames, determining a cost metric for the video, and retargeting the video based on the cost metric to produce a retargeted video. The cost metric considers loss due to cropping, scaling, temporal factors, and spatial factors. The retargeting makes use of a crop window for each frame in the plurality of frames. | 02-28-2013 |
20140348439 | System and Method for Compressing Images and Video - A system and method for image and video compression using compressive sensing is provided. An embodiment method for compressing an image having a plurality of image blocks includes selecting an image block from the plurality of image blocks to compress, computing a sum of sinusoidal signals at different frequencies and amplitudes representation for the selected image block, quantizing the amplitudes of the sinusoidal signals at different frequencies, and saving the quantized amplitudes as a first compressed image block. The method also includes truncating the quantized amplitudes, thereby producing truncated quantized amplitudes, saving the truncated quantized amplitudes as a second compressed image block, and selecting either the first compressed image block or the second compressed image block as a final compressed image block. The selecting is based on a measure of the quality of the first compressed image block and the second compressed image block. | 11-27-2014 |
20160111130 | Video Skimming Methods and Systems - In an embodiment, a method of creating a skimming preview of a video includes electronically receiving a plurality of video shots, analyzing each frame in a video shot from the plurality of video shots, where analyzing includes determining a saliency of each frame of the video shot. The method also includes determining a key frame of the video shot based on the saliency of each frame the video shot, extracting visual features from the key frame, performing shot clustering of the plurality of video shots to determine concept patterns based on the visual features, and generating a reconstruction reference tree based on the shot clustering. The reconstruction reference tree includes video shots categorized according to each concept pattern. | 04-21-2016 |
Patent application number | Description | Published |
20100311080 | WATER-SOLUBLE NANOCRYSTALS THROUGH DUAL-INTERACTION LIGANDS - A dual-interaction ligand for rendering otherwise hydrophobic nanoparticles water soluble or suspendable has a hydrophilic base with a plurality of hydrophilic segments extending from a core of the base, where at least one segment or the core contains a hydrophobic groups capable of forming van der Waal interaction between hydrophobic groups of the dual-interaction ligand and other hydrophobic ligands, and at least one complexing functionality to complex a metal atom or ion of a nanoparticle. The dual-interaction ligands can be combined with hydrophobic nanoparticles, where the dual-interaction ligands can displace some or all of the hydrophobic ligands of the hydrophobic nanoparticles, to form a nanoparticle-dual interaction ligand complex that can be dissolved or dispersed readily in an aqueous solution. The dual interaction ligand can be functionalized to attach an antibody or other biomolecules such that the nanoparticle dual-interaction ligands complexes can contain biomolecules. Such biomolecules modified nanoparticle dual-interaction ligands can be used for sensing, labeling, optical imaging, magnetic resonance imaging, cell separation, and treatment of diseases. | 12-09-2010 |
20110150938 | Supercrystalline Colloidal Particles and Method of Production - The present invention concerns size- and shape-controlled, colloidal superparticles (SPs) and methods for synthesizing the same. Ligand-functionalized nanoparticles such as nonpolar-solvent-dispersible nanoparticles, are used, and the solvophobic interactions can be controlled. Advantageously, supercrystalline SPs having a superlattice structure, such as a face-centered cubic structure, can be produced. Further, the methods of the invention can provide SPs that self-assemble and are monodisperse. The SPs can be doped with organic dyes and further assembled into more complex structures. | 06-23-2011 |
Patent application number | Description | Published |
20080300176 | METHODS OF TREATING NEURODEGENERATIVE DISEASES - The invention relates to the discovery that in an animal model of Parkinson's disease (PD), administration of granulocyte colony-stimulating factor (G-CSF) to rodents having 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD restored the function of dopamine neurons. In these animals, G-CSF treatment increased the number of dopamine neurons in the substantia nigra (SN), G-CSF treatment partially restored the nigrostriatal pathway, and G-CSF restored the function of dopamine to the level before MPTP treatment. The invention also relates to the discovery that treatment of a human patient with corticobasilar ganglionic degeneration, a rare progressive neurological disorder characterized by Parkinsonism and coritcal dysfunction, with G-CSF resulted in a significant improvement in the patient's Unified Parkinson's Disease Rating Scale evaluations as well as measures of activity of daily living. The invention further relates to the discovery that G-CSF treatment of a patient who had suffered an acute stroke resulted in a significant improvement in neurological function, the patient having minimal observable disability seven years later. The methods described herein can be used to treat PD in a mammalian subject (e.g., rodent, human) as well as other neurodegenerative diseases such as Alzheimer's disease, spinal cord injury, and stroke. | 12-04-2008 |
20130259824 | Treatment for Ischemic Stroke - Granulocyte colony-stimulating factor (G-CSF; a stem cell enhancer and facilitator), DETC-MeSO (a glutamate receptor partial antagonist and anti-excitotoxicity agent), and sulindac (a potent anti-oxidant and anti-inflammatory agent) each can protect brain tissue exposed to a cerebral ischemia/reperfusion injury, and minimize the size of infarcts that develop as a result of the injury. When administered in combination, these agents are effective at protecting brain tissue and minimizing the size of an infarct resulting from the injury at much lower concentrations compared to using a single agent. | 10-03-2013 |
20150265569 | Treatment for Ischemic Stroke - Granulocyte colony-stimulating factor (G-CSF; a stem cell enhancer and facilitator), DETC-MeSO (a glutamate receptor partial antagonist and anti-excitotoxicity agent), and sulindac (a potent anti-oxidant and anti-inflammatory agent) each can protect brain tissue exposed to a cerebral ischemia/reperfusion injury, and minimize the size of infarcts that develop as a result of the injury. When administered in combination, these agents are effective at protecting brain tissue and minimizing the size of an infarct resulting from the injury at much lower concentrations compared to using a single agent. | 09-24-2015 |
Patent application number | Description | Published |
20110091824 | METHOD OF OPERATING A MULTI-FUEL COMBUSTION SYSTEM - The present invention explains a method of operating a multi-fuel combustion system. It consist of a first phase and a second phase, wherein the first phase comprises of providing ignition to a combustor basket to ignite a first type of fuel, where the first type of fuel is supplied to the combustor basket through a first conduit. Also in first phase steam is also supplied to the first conduit in addition to the first type of fuel and steam is supplied to the second conduit after the ignition. In the second phase a second type of fuel is supplied to the combustor basket after ignition of the first fuel through the second conduit, while stopping the supply of the first fuel. | 04-21-2011 |
20110091829 | MULTI-FUEL COMBUSTION SYSTEM - The present invention explains a multi-fuel combustion system. It consist of a combustor basket adapted to combust at least two type of fuels. The combustor basket has got a circumferential wall comprising a plurality of openings. The combustion system further has a first conduit adapted to provide a first type of fuel directly to the combustor basket, a second conduit adapted to provide a second type of fuel directly to the combustor basket and a third conduit adapted to inject at least one of the first type of fuel and the second type of fuel through the openings into the combustor basket. | 04-21-2011 |
20120227412 | METHOD OF OPERATING A MULTI-FUEL COMBUSTION SYSTEM - A method of operating a multi-fuel combustion system is provided. The method includes a first phase and a second phase, wherein the first phase includes providing ignition to a combustor basket to ignite a first type of fuel, where the first type of fuel is supplied to the combustor basket through a first conduit. Also in first phase steam is also supplied to the first conduit in addition to the first type of fuel and steam is supplied to the second conduit after the ignition. In the second phase a second type of fuel is supplied to the combustor basket after ignition of the first fuel through the second conduit, while stopping the supply of the first fuel. | 09-13-2012 |
20120260666 | MULTI-FUEL COMBUSTION SYSTEM - A multi-fuel combustion system is provided. The system includes a combustor basket adapted to combust at least two type of fuels. The combustor basket includes a circumferential wall with a plurality of openings. The combustion system further includes a first conduit adapted to provide a first type of fuel directly to the combustor basket and a second conduit adapted to provide a second type of fuel directly to the combustor basket. The combustion system also may include a third conduit adapted to inject at least one of the first type of fuel and the second type of fuel through the openings into the combustor basket. | 10-18-2012 |
20130031907 | FUEL INJECTING ASSEMBLY FOR GAS TURBINE ENGINE - A fuel injecting assembly for a combustor of a gas turbine engine has a gas supply structure, steam supply structure and oil fuel nozzle that are substantially separated to allow relative movement between a respective end section, end portion and end part due to thermal expansion and contraction. | 02-07-2013 |
20130036740 | MULTI-FUEL INJECTION NOZZLE - A multi-fuel nozzle ( | 02-14-2013 |
Patent application number | Description | Published |
20150238487 | NOVEL ERGOLINE DERIVATIVES AND USES THEREOF - Provided herein are 8′-Hydroxy-2-CF3-dihydroergotamine (8′OH-2-CF3-DHE) compounds, compositions, and dosage forms containing such compositions. Also provided herein are methods of treatment, prevention, or amelioration of a variety of medical disorders such as, for example, migraine using the compounds and compositions disclosed herein. In still other embodiments, provided herein are methods of agonizing receptors such as, for example, the 5-HT | 08-27-2015 |
20150306096 | 8'-HYDROXY-DIHYDROERGOTAMINE COMPOUNDS AND COMPOSITIONS - 8′-Hydroxy-Dihydroergotamine (8′-OH DHE) medicinal compounds, compositions, and dosage forms containing such compositions are provided. Also provided herein are methods of treatment, prevention, or amelioration of diseases, conditions or disorders selected from amyotrophic lateral sclerosis (ALS), Parkinson's disease, stress/anxiety, nausea, emesis, aggression, pain, neuropathic pain, sleeplessness, insomnia, restless leg syndrome and depression using the compounds, compositions, dosage forms and administration techniques disclosed herein. | 10-29-2015 |
Patent application number | Description | Published |
20080231781 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - 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. | 09-25-2008 |
20090040432 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - 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. | 02-12-2009 |
20090161044 | Wide viewing angle circular polarizers - Apparatus, devices, systems, and methods for wide viewing angle circular polarizers in transmissive and transflective displays. A liquid crystal display configuration can include two stacked circular polarizers, a liquid crystal layer, and a compensator between one of the circular polarizer and the liquid crystal layer to partially or fully compensate the liquid crystal layer. One of the circular polarizer is formed of a linear polarizer and a uniaxial quarter-wave plate, and the other circular polarizer is formed of a linear polarizer, a uniaxial quarter-wave plate, and a biaxial film interposed therebetween. | 06-25-2009 |
20110019137 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - 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. | 01-27-2011 |
20110221986 | Liquid 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 |
20120327350 | DISPLAY DEVICE - A display device includes a first substrate, at least a first protrusion, a first electrode, a second substrate, at least a second protrusion, a second electrode and a display medium. The first protrusion is disposed on the first substrate. The first electrode is disposed on the first protrusion. The second substrate is disposed opposite to the first substrate. The second protrusion is disposed on the second substrate. The second electrode is disposed on the second protrusion, wherein the first electrode and the second electrode are displaced in a horizontal direction so as to form a lateral electric field therebetween. The display medium is sandwiched between the first and the second substrates. | 12-27-2012 |
20140176837 | DISPLAY PANEL - A display panel includes a first substrate, a second substrate, a liquid crystal layer interposed between the first substrate and the second substrate, a color filter layer, a first pixel unit, a second pixel unit, and a third pixel unit. The liquid crystal layer includes optically isotropic liquid crystals. The first pixel unit, the second pixel unit and the third pixel unit form a first electric field, a second electric field and a third electric filed in the liquid crystal layer. A first display light, a second display light and a third display light displayed by the first pixel unit, the second pixel unit and the third pixel unit have different wavelengths. The first electric field, the second electric field and the third electric field are different when the first pixel unit, the second pixel unit and the third pixel unit are applied by a same driving voltage set. | 06-26-2014 |
20140184991 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes an upper substrate, a lower substrate, a liquid crystal layer disposed between the upper and lower substrates and including liquid crystal molecules with optical isotropicity, a first polarizer disposed on a surface of the upper substrate, having a first polarization direction, a second polarizer disposed on a surface of the lower substrate, having a second polarization direction, and at least one pixel region defined on the lower substrate. The pixel region includes at least one pixel electrode disposed on the lower substrate, the pixel electrode extending along a first direction in the pixel region and a majority portion of an edge of the pixel electrode substantially being parallel to at least one of the first polarization direction and the second polarization direction. | 07-03-2014 |
20140300847 | DISPLAY APPARATUS - A display apparatus including a display panel, a first polarizer and a second polarizer is provided. The display panel includes a pixel array substrate, an opposite substrate and a display medium. The pixel array substrate includes a plurality of pixel units. Each pixel unit includes a first electrode and a second electrode. The first electrode and the second electrode are alternately arranged and a lateral electric field is existed between the first electrode and the second electrode. The opposite substrate is disposed opposite to the pixel array substrate. The display medium is disposed between the pixel array substrate and the opposite substrate. The first polarizer is disposed on the pixel array substrate. The second polarizer is disposed on the opposite substrate. An included angle between an optical axis of the first polarizer and an optical axis of the second polarizer is 90°±θ, and θ is 1° to 9°. | 10-09-2014 |
Patent application number | Description | Published |
20080204636 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - 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. | 08-28-2008 |
20080309853 | Wide Viewing Angle Transflective Liquid Crystal Displays - 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 lease 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. | 12-18-2008 |
20080309854 | Wide Viewing Angle and Broadband Circular Polarizers for Transflective Liquid Crystal Displays - Apparatus, devices, systems, and methods for wide viewing angle and broadband circular polarizers in transflective displays. A liquid crystal display configuration can include two stacked circular polarizers, each having a linear polarizer, a half-wave plate and a quarter-wave plate wherein two linear polarizers are crossed to each other, two half-wave plates are made of uniaxial A plates with opposite optical birefringence (one positive and one negative type), and two quarter-wave plates are made of uniaxial A plates with opposite optical birefringence (one positive and one negative type). The configurations can generate wide viewing angles and broadband properties and are suitable for display applications that require circular polarizers. | 12-18-2008 |
Patent application number | Description | Published |
20080231781 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - 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. | 09-25-2008 |
20090161044 | Wide viewing angle circular polarizers - Apparatus, devices, systems, and methods for wide viewing angle circular polarizers in transmissive and transflective displays. A liquid crystal display configuration can include two stacked circular polarizers, a liquid crystal layer, and a compensator between one of the circular polarizer and the liquid crystal layer to partially or fully compensate the liquid crystal layer. One of the circular polarizer is formed of a linear polarizer and a uniaxial quarter-wave plate, and the other circular polarizer is formed of a linear polarizer, a uniaxial quarter-wave plate, and a biaxial film interposed therebetween. | 06-25-2009 |
20110019137 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY - 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. | 01-27-2011 |