Patent application number | Description | Published |
20090246684 | PHOTOSENSITIVE COMPOUND AND PHOTORESIST COMPOSITION INCLUDING THE SAME - A photosensitive compound as a molecular resist whose size is smaller than conventional polymer for photoresist, and which can form a nano assembly, and a photoresist composition including the same are disclosed. The photosensitive compound represented by the following formula. Also, the present invention provides a photoresist composition comprising 1 to 85 wt % (weight %) of the photosensitive compound; 0.05 to 15 weight parts of a photo-acid generator with respect to 100 weight parts of the photosensitive compound; and 50 to 5000 weight parts of an organic solvent with respect to 100 weight parts of the photosensitive compound. | 10-01-2009 |
20110069039 | Multi-touch sensing display apparatus - A multi-touch sensing display apparatus is provided. The multi-touch sensing display apparatus may include a back light unit, a display panel, a sensor unit on a display surface of the display panel, and a touch light source unit providing light to be diffused by a touch of a user so that the sensor unit senses the touch of the user. The touch light source unit may include a touch light source and a transparent light guide plate. The transparent light guide plate may include a light guiding unit and a plurality of light emitting units integrally formed with each other as a single body, wherein the light guiding unit guides light from the touch light source to an inside thereof, and the plurality of light emitting units protrudes from the light guiding unit and emits light from the light guiding unit. | 03-24-2011 |
20110134373 | Reflective display devices and methods of manufacturing the same - A reflective display device may include pixels. Each pixel may include sub-pixels. Each sub-pixel may include first and second substrates spaced apart from each other; a driving unit formed on a top surface of the first substrate; a reflective layer, acting as a first electrode to which a voltage is applied by the driving unit, disposed above the driving unit; a second electrode formed on a bottom surface of the second substrate; a color filter layer disposed between the reflective layer and the second electrode; and a polymer dispersed liquid crystal (PDLC) layer. If the color filter layer is formed on the reflective layer; then the PDLC layer may be disposed between the second electrode and color filter layer. If the color filter layer is formed on a bottom surface of the second electrode, then the PDLC layer may be disposed between the reflective layer and color filter layer. | 06-09-2011 |
20110234563 | Pixel circuits, display apparatuses including the pixel circuits, and methods of driving the display apparatuses - Example embodiments are directed to a pixel circuit, a display apparatus including the pixel circuit, and a method of driving the display apparatus. The pixel circuit of the display apparatus uses a first transistor as a switching transistor to which a plurality of scan signals and a plurality of data signals are applied. The first transistor controls a second transistor to turn ON or OFF by storing the scan signals in a capacitor electrically connected to a second electrode of the first transistor. A first and second common power is applied to an opposite electrode of a display element and a second electrode of the second transistor, respectively, thereby separating an addressing operation and a displaying operation performed with respect to all of pixels. | 09-29-2011 |
20110310079 | Pixel Circuit And Display Apparatus Including The Same - A pixel circuit includes a first transistor that supplies a data signal to a first node in response to a scan signal. The pixel circuit may also include a capacitor that is connected between the first node and a ground voltage and a detecting unit that is connected in parallel with the capacitor. More so, the detecting unit may change a voltage of the first node by being activated in response to a mode signal. Also, the detecting unit may have resistance that varies according to an external stimulus. The pixel circuit may also include a second transistor that is complementarily activated with respect to the detecting unit in response to the mode signal, and that provides a voltage of the first node. | 12-22-2011 |
20110317236 | Reflective Display Device - A reflective display device including: a substrate; a reflective layer on the substrate and configured to reflect light incident on the reflective layer; a color filter layer on the reflective layer; and an optical shutter layer on the color filter layer. Each pixel of a plurality of pixels of the reflective display device includes a plurality of sub-pixels and each sub-pixel includes the substrate, the reflective layer, the color filter layer, and the optical shutter layer, and for each pixel, the color filter layer includes a plurality of color filter elements corresponding to colors respectively obtained by the plurality of sub-pixels. At least one of the plurality of color filter elements includes a composite color area including a plurality of white areas configured to let white light pass through them such that the white light is directly reflected by the reflective layer and the plurality of white areas are discontinuously distributed in at least a portion of the composite color area through which light of the obtained colors passes. | 12-29-2011 |
20120249509 | PIXEL CIRCUIT AND METHOD OF OPERATING THE SAME - According to an example embodiment, a pixel circuit for driving a display unit includes a plurality of capacitive devices, a first switching device and a second switching device. The plurality of capacitive devices are configured to apply a driving voltage to the display unit. The first switching device is configured to selectively supply a data signal to a first capacitive device of the plurality of capacitive devices based on a first scan signal. The second switching device is configured to selectively supply the data signal to a second capacitive device of the plurality of capacitive devices based on a second scan signal. | 10-04-2012 |
20130033735 | ELECTROCHROMIC DEVICE - According to example embodiments, an electrochromic device includes pixel containing a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first electrolyte contacting a first electrochromic layer. The first electrochromic layer includes a first electrochromic material configured to display each one of transparency and at least two colors, based on a voltage applied to the first electrochromic material. The second sub-pixel includes a second electrolyte contacting a second electrochromic layer. The second electrochromic layer includes a second electrochromic material configured to display each one of transparency, black, and at least one color other than black, based on a voltage applied to the second electrochromic material. | 02-07-2013 |
20130087707 | INFRARED THERMAL DETECTOR AND METHOD OF MANUFACTURING THE SAME - According to example embodiments, an infrared thermal detector includes a substrate, a detector spaced apart from the substrate, and a thermal legal configured to transmit a signal from the detector to the substrate. The detector is configured to absorb incident infrared light via localized surface Plasmon resonance, and the detector is configured to change a resistance value according to a temperature change caused by the absorbed infrared light. | 04-11-2013 |
20130181917 | TOUCH SCREEN APPARATUS - A touch screen apparatus including: a touch sensing unit; a memory configured to store sensing information transmitted from the touch sensing unit; and a display unit associated with the memory, the display unit configured to receive and display the sensing information stored in the memory. | 07-18-2013 |
20130278485 | GLASSES-TYPE DISPLAY - A glasses-type display includes: a lens unit configured to selectively reflect light of different wavelength bands, the lens unit including a plurality of photonic crystal pattern units, each of the plurality of photonic crystal pattern units including pixels; a leg unit coupled to the lens unit; and an image supply unit configured to supply an image to the lens unit. | 10-24-2013 |
20140070183 | ORGANIC PHOTOELECTRIC DEVICE AND IMAGE SENSOR - An organic photoelectric device includes a first electrode, a metal nanolayer contacting one side of the first electrode, an active layer on one side of the metal nanolayer, and a second electrode on one side of the active layer. An image sensor includes the organic photoelectric device. | 03-13-2014 |
20140070189 | LIGHT TRANSMISSIVE ELECTRODE, ORGANIC PHOTOELECTRIC DEVICE, AND IMAGE SENSOR - According to example embodiments, a transmissive electrode may include a light transmission layer. The light transmission layer may include a metal and a metal oxide that is included in a smaller amount than the metal. According to example embodiments, an organic photoelectric device, as well as an image sensor, may include the transmissive electrode. | 03-13-2014 |
20140133010 | LIGHT-EMITTING APPARATUS CAPABLE OF ADJUSTING A COLOR OF A PROJECTED LIGHT THEREOF - A light-emitting apparatus includes a light source to emit light, a photonic crystal to pass light of different wavelengths based on the light from the light source, and a projector to project the light passing through the photonic crystal. The photonic crystal may be electrically or mechanically controlled to pass the different wavelengths of light. | 05-15-2014 |
20140139507 | ELECTROWETTING DISPLAY DEVICE HAVING IMPROVED APERTURE RATIO AND METHOD OF DRIVING THE SAME - An electrowetting display device includes an electrowetting pixel cell and a driving circuit. The electrowetting pixel cell including a polar liquid and a non-polar liquid disposed between a common electrode and a pixel electrode, the pixel electrode configured to receive a fixed voltage and the common electrode configured to receive a variable voltage that varies according to an image signal. The driving circuit configured to control an operation of the electrowetting pixel cell by, providing an image signal to the electrowetting pixel cell at a display interval where the electrowetting pixel cell displays an image, and providing a reset voltage to the electrowetting pixel cell at a reset interval. An absolute value of a difference between the voltage applied to the pixel electrode and the reset voltage is greater than that of a difference between the voltage applied to the pixel electrode and the voltage applied to the common electrode. | 05-22-2014 |
20140152641 | ELECTROWETTING DISPLAY APPARATUS HAVING LOW POWER CONSUMPTION AND METHOD OF DRIVING THE SAME - An electrowetting display apparatus includes an electrowetting pixel configured to display an image. The electrowetting pixel includes a polar liquid and a nonpolar liquid arranged between a common electrode and a pixel electrode; and a driving circuit configured to control operations of the electrowetting pixel. The driving circuit includes a memory circuit configured to store an image to be displayed by the electrowetting pixel. The driving circuit is further configured to periodically provide a reset signal to the electrowetting pixel while the electrowetting pixel is displaying the image and provide an image stored in the memory circuit to the electrowetting pixel after the electrowetting pixel cell resets. | 06-05-2014 |
20140192036 | PIXEL CIRCUITS, DISPLAY APPARATUSES INCLUDING THE PIXEL CIRCUITS, AND METHODS OF DRIVING THE DISPLAY APPARATUSES - Example embodiments are directed to a pixel circuit, a display apparatus including the pixel circuit, and a method of driving the display apparatus. The pixel circuit of the display apparatus uses a first transistor as a switching transistor to which a plurality of scan signals and a plurality of data signals are applied. The first transistor controls a second transistor to turn ON or OFF by storing the scan signals in a capacitor electrically connected to a second electrode of the first transistor. A first and second common power is applied to an opposite electrode of a display element and a second electrode of the second transistor, respectively, thereby separating an addressing operation and a displaying operation performed with respect to all of pixels. | 07-10-2014 |
20140232325 | DISPLAY DEVICES, WIRELESS CHARGING SYSTEM INCLUDING DISPLAY DEVICES, AND METHODS OF OPERATING THE DISPLAY DEVICES - A display device includes a display panel including at least one electrode, and a panel driving unit configured to drive the display panel. The display device further includes a power storage unit configured to store received power, and a switching unit configured to electrically connect the at least one electrode to one of the panel driving unit and the power storage unit. | 08-21-2014 |
20140253481 | APPARATUS AND METHOD FOR SENSING TOUCH AND TOUCH SCREEN APPARATUS EMPLOYING THE SAME - The touch sensing apparatus includes a driving unit and a touch sensing unit, a scan region selecting unit, and a control unit. The driving unit and the touch sensing unit arranged at a touch panel are electrically connected to driving electrodes and sensing electrodes, respectively. The scan region selecting unit controls the driving unit and determines a narrowed scan region including a touched location by dividing a touch region of the touch panel into a plurality of scan regions, scanning each of the scan regions, and selecting a scan region including the touched location at least for once. The control unit controls the scan region selecting unit and the driving unit and determines the narrowed scan region including the touched location and sense the touched location by inputting signals in a time-division manner to a plurality of scan lines included in the narrowed scan region. | 09-11-2014 |