Patent application number | Description | Published |
20080218463 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A display device and a method for driving the same are disclosed. The display device driving method includes applying a first gray scale display voltage according to a first gamma curve to a liquid crystal layer during a first sub-frame period and applying a second gray scale display voltage according to a second gamma curve to the liquid crystal layer during a second sub-frame period. The first and second gamma curves are discontinuous at one or more gray scale values among all gray scale regions. | 09-11-2008 |
20080224975 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A method for driving a display device includes: dividing an entire gray-scale region corresponding to a data gray scale into a first gray-scale region and a second gray-scale region and setting a first gamma value of the first gray-scale region and a second gamma value of the second gray-scale region, the first gamma value being smaller than the second gamma value; providing a first gray-scale display voltage corresponding to the data gray scale to a display panel during a first section of one horizontal period by using the first gamma value or the second gamma value selected by an inputted data gray scale; and providing a second gray-scale display voltage corresponding to a black gray scale to the display panel during a second section of the one horizontal period. | 09-18-2008 |
20080246713 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus includes a display panel that includes a plurality of pixels and a panel driver. The panel driver receives original image signals corresponding to successive frames which are displayed in a predetermined number within a predetermined period of time, forms an interpolation image signal on the basis of original image signals corresponding to two successive frames, and forms a non-image signal, and applies the original image signal, the interpolation image signal, and the non-image signal to the respective pixels during a display period. | 10-09-2008 |
20080278651 | LIQUID CRYSTAL DISPLAY AND METHOD OF FABRICATING THE SAME - Provided are a liquid crystal display (LCD) and a method of fabricating the LCD. The LCD includes an insulating substrate a gate line disposed on the insulating substrate, a data line insulated from the gate line and crossing the gate line, a thin film transistor connected to the gate line and the data line, a passivation layer disposed on the thin film transistor, a pixel electrode connected to the thin film transistor and partitioned into a plurality of domains by a plurality of first slits, a control electrode disposed on the passivation layer and at least partially overlapping each first slit, and a plurality of domain forming members arranged parallel to the first slits in an alternating fashion and partitioning the pixel electrode into a plurality of domains. | 11-13-2008 |
20080284960 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display is provided that includes first and second panels facing each other, an alignment layer disposed on at least one of the first and second panels, a fixing member disposed on the surface of the alignment layer to fix the alignment structure of the alignment layer, and liquid crystal materials disposed between the first and second panels. The liquid crystal materials include liquid crystal molecules that have a pre-tilt angle and are disposed on the alignment layer. | 11-20-2008 |
20080309600 | DISPLAY APPARATUS AND METHOD FOR DRIVING THE SAME - A display apparatus includes pixels, a signal controller, a gray-scale voltage generator, and a data driver. The signal controller converts input image signals having a first frame frequency to first and second output image signals having a second frame frequency. The second output image signal is an interpolation between the input image signal for the present frame and an input image signal for a next frame after the present frame. The gray-scale voltage generator outputs a first gray-scale voltage group and a second gray-scale voltage group. The data driver converts the first output image signal to a first data voltage based on the first gray-scale voltage group and converts the second output image signal to a second data voltage based on the second gray-scale voltage group, and outputs the first and second data voltages to the pixels in a present frame. | 12-18-2008 |
20080309864 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A liquid crystal composition includes a biaxial liquid crystal molecule and has improved response speed. | 12-18-2008 |
20090002588 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device includes: a first panel having a pixel region including a pixel electrode therein; a second panel having a common electrode facing the first panel; a liquid crystal layer having vertically aligned liquid crystal molecules interposed between the first and second panels; a first alignment layer disposed on the pixel electrode; and a second alignment layer disposed on the common electrode. At least one of the pixel electrode and the common electrode has a micro slit pattern. At least one of the first and second alignment layers divides the pixel region into domains, is formed to have pretilt directions corresponding to a given domain, and pretilts the vertically aligned liquid crystal molecules in the given domain. A direction of summed horizontal components of a fringe field at an edge of the pixel region is substantially equal to a direction of summed horizontal components of a pretilt direction of the at least one of the first and second alignment layer. | 01-01-2009 |
20090002618 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes a first panel having a pixel electrode, a second panel having a common electrode facing the first panel, a liquid crystal layer interposed between the first panel and the second panel and having vertically-aligned liquid crystal molecules, a first alignment layer disposed on the pixel electrode, and a second alignment layer disposed on the common electrode. At least one of the first alignment layer and the second alignment layer divides the pixel electrode into a plurality of domains and is formed to have a plurality of pretilt directions which pretilt the vertically-aligned liquid crystal molecules in a domain of the plurality of domains. A sum of horizontal component directions of a pretilt direction of the plurality of pretilt directions is substantially equivalent to a sum of horizontal component directions of a fringe field at a peripheral boundary of the pixel electrode in the domain. | 01-01-2009 |
20090021669 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus displays an image in a normal driving mode at a low temperature where a response speed of a liquid crystal becomes lower than a critical value, and displays the image in an impulsive driving mode at a higher temperature where the response speed of the liquid crystal becomes higher than the critical value. | 01-22-2009 |
20090040412 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display includes first and second thin film transistors, a pixel electrode including a first cutout and an inclination direction determining member and connected to the first thin film transistor, a direction controlling electrode connected to the second thin film transistor, a first storage electrode overlapping with the pixel electrode and the direction controlling electrode and applied with a first storage electrode signal having a first voltage, and second storage electrode overlapping with the direction controlling electrode to receive a second storage electrode signal having a second voltage that periodically changes. | 02-12-2009 |
20090191782 | METHOD OF MANUFACTURING A DISPLAY PANEL - In a method of manufacturing a display panel, a first alignment member is formed on a first substrate. Liquid crystal is sealed between the first substrate and a second substrate opposite to the first substrate. Then, an electric field is applied to the liquid crystal to align the liquid crystal. Ultraviolet light is irradiated onto the first alignment member to form a second alignment member while applying the electric field to the liquid crystal. | 07-30-2009 |
20090237603 | PHOTOALIGNMENT MATERIAL, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER FORMED USING THE SAME, AND METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE - A photoalignment material includes a photoalignment polymer having a photosensitive portion represented by the following Chemical Formula 1, | 09-24-2009 |
20090258158 | PHOTO ALIGNMENT MATERIAL AND METHOD OF MANUFACTURING DISPLAY SUBSTRATE USING THE SAME - A photo alignment material includes a photo alignment polymer and an organic solvent. The photo alignment polymer is prepared by polymerizing a diamine monomer including at least two photo reactive parts represented by the following Chemical Formula 1. | 10-15-2009 |
20090284702 | LIQUID CRYSTAL DISPLAY - The present invention provides a liquid crystal display including a first substrate including a first alignment layer, gate lines, and data lines, a second substrate facing the first substrate and including a second alignment layer, and a liquid crystal layer disposed between the first substrate and the second substrate. A plurality of pixels are arranged in a matrix defined by the gate lines and the data lines, and alignment directions of the first alignment layer and the second alignment layer in a first pixel are different than alignment directions in a neighboring pixel. | 11-19-2009 |
20090290109 | PHOTOALIGNMENT MATERIAL, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER FORMED USING THE SAME, AND TO A METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE - A photoalignment material includes an alignment polymer, a photoalignment additive including a compound represented by the following Chemical Formula 1 and an organic solvent. | 11-26-2009 |
20100039576 | LIQUID CRYSTAL DISPLAY - A liquid crystal display with better visibility and transmittance. The liquid crystal display includes a first plate having a first field-generating electrode, disposed in a pixel area on an insulating substrate, comprising a plurality of sub-electrodes which are separated from each other by a predetermined distance and arranged parallel to each other, and a connecting electrode electrically connecting the sub-electrodes. An alignment film that is rubbed in a first direction covers a first field-generating electrode and an alignment film that is rubbed in a second direction covers a second field-generating electrode to achieve a predetermined orientation of the liquid crystals when no field is applied and more uniform rotation of the liquid crystal molecules when a field is applied. | 02-18-2010 |
20100047482 | PHOTO-REACTIVE COMPOUNDS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - The present invention provides photo-reactive compound. The photo-reactive compound, in which chains are combined to a polymer backbone that is used for a photo-alignment layer compound, is represented by the following Formula 1 or Formula 2. | 02-25-2010 |
20100128214 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display includes; a first substrate, a second substrate disposed facing the first substrate, an alignment layer disposed on at least one of the first substrate and the second substrate, wherein the alignment layer comprises a major alignment material and a vertical photo-alignment material, and the vertical photo-alignment material comprises a first vertical functional group, and a liquid crystal layer interposed between the first substrate and the second substrate. | 05-27-2010 |
20110051026 | PHOTO-ALIGNMENT AGENT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A photo-alignment agent and a liquid crystal display using the same are provided. A photo-reactive group according to an exemplary embodiment of the present invention includes a first alignment material without a photo-reactive group, a second alignment material including a photo-reactive group, and a photosensitizer mixed with the second alignment material. | 03-03-2011 |
20110085097 | MASK FOR PHOTOALIGNING AN ALIGNEMENT LAYER, PHOTOALIGNMENT METHOD USING THE SAME, AND LIQUID CRYSTAL DISPLAY HAVING THE PHOTOALIGNED ALIGNEMENT LAYER - A wide variety of different alignment polar angles can be created in the alignment layers of a liquid crystal display with just a small number of UV exposure steps by using one or a combination of overlappable UV masks, where the one or more combinations of overlappable UV masks simultaneously define a maximal transmission region, an intermediate transmission region and a nontransmitting (blocking) region. UV rays are irradiated through masks in different irradiation directions while the mask or masks are disposed in different orientations. | 04-14-2011 |
20110285689 | DISPLAY APPARATUS - In a display apparatus, a first display substrate includes a common electrode to which a common voltage is applied. A second display substrate facing the first display substrate includes a first pixel electrode and a second pixel electrode. The first and second pixel electrodes formed in one pixel region are spaced apart from and insulated from each other. A first data voltage having a first polarity with reference to the common voltage is applied to the first pixel electrode, and a second data voltage having a second polarity different from the first polarity with reference to the common voltage is applied to the second pixel electrode. Thus, a fringe field is formed between the first and second display substrates and a lateral field is formed in the second display substrate, thereby improving a transmittance and a response speed of the display apparatus. | 11-24-2011 |
20120113371 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display is provided that includes first and second panels facing each other, an alignment layer disposed on at least one of the first and second panels, a fixing member disposed on the surface of the alignment layer to fix the alignment structure of the alignment layer, and liquid crystal materials disposed between the first and second panels. The liquid crystal materials include liquid crystal molecules that have a pre-tilt angle and are disposed on the alignment layer. | 05-10-2012 |
20120196054 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display including: a first substrate and a second substrate facing each other; an alignment layer disposed on one of the first substrate and the second substrate and including a vertical photo-alignment material which includes a first vertical functional group and a photo-reactive group, and a major alignment material which does not include the photo-reactive group; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein a ratio of a molar concentration of the vertical photo-alignment material to the molar concentration of the major alignment material increases in a direction towards a surface of the alignment layer adjacent to the liquid crystal layer. | 08-02-2012 |
20130029443 | PHOTOALIGNMENT MATERIAL, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER FORMED USING THE SAME, AND TO A METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE - A photoalignment material includes an alignment polymer, a photoalignment additive including a compound represented by the following Chemical Formula 1 and an organic solvent. | 01-31-2013 |