Patent application number | Description | Published |
20100086381 | VACUUM PROCESSING APPARATUS - Disclosed herein is a vacuum processing apparatus for performing a desired process for a substrate after establishing a vacuum atmosphere therein. More particularly, the vacuum processing apparatus includes a vacuum chamber, which is divided into a chamber body and an upper cover. The upper cover is configured to be easily opened away from and closed to the chamber body. | 04-08-2010 |
20100086382 | VACUUM PROCESSING APPARATUS - Disclosed herein is a vacuum processing apparatus for performing a desired process for a substrate after establishing a vacuum atmosphere therein. More particularly, the vacuum processing apparatus includes a vacuum chamber, which is divided into a chamber body and an upper cover. The upper cover is configured to be easily opened away from and closed to the chamber body. | 04-08-2010 |
20100086383 | VACUUM PROCESSING APPARATUS - Disclosed herein is a vacuum processing apparatus for performing a desired process for a substrate after establishing a vacuum atmosphere therein. More particularly, the vacuum processing apparatus includes a vacuum chamber, which is divided into a chamber body and an upper cover. The upper cover is configured to be easily opened away from and closed to the chamber body. | 04-08-2010 |
20100089531 | VACUUM PROCESSING APPARATUS - Disclosed herein is a vacuum processing apparatus for performing a desired process for a substrate after establishing a vacuum atmosphere therein. More particularly, the vacuum processing apparatus includes a vacuum chamber, which is divided into a chamber body and an upper cover. The upper cover is configured to be easily opened away from and closed to the chamber body. | 04-15-2010 |
20140360737 | CLAMPING STRUCTURE FOR MOUNTING REDUCER - Disclosed herein is a clamping structure for mounting a reducer. The clamping structure include a clamp body | 12-11-2014 |
Patent application number | Description | Published |
20080285105 | LASER SCANNING UNIT AND IMAGE FORMING APPARATUS - A laser scanning unit and an image forming apparatus that include a deflector to deflect incident light; and a plurality of sub-scanning optical systems using the same reflective surface of the deflector. Each of the sub-scanning optical systems includes a light source, an entrance optical unit disposed between the light source and the deflector to direct light to the deflector, and an exit optical unit to direct the deflected light to imaging surfaces. Optical paths of the sub-scanning optical systems are asymmetric with reference to the deflector. | 11-20-2008 |
20090027315 | Organic light emitting display and driving method thereof - An organic light emitting display is disclosed. The display comprises: a scan driver for sequentially supplying a scan signal to scan lines during scan periods of a plurality of sub-frames included in a frame; a data driver for supplying a data signal to data lines when the scan signal is supplied; pixels disposed at a display region of a panel to be coupled to the scan lines and the data lines, and receiving a first power source voltage and a second power source voltage; at least one dummy organic light emitting diode disposed at a non-display region of the panel; and a power source block for supplying an electric current to the dummy organic light emitting diode and for generating the first power source voltage based on a voltage of the dummy organic light emitting diode corresponding to the electric current. | 01-29-2009 |
20090027369 | Organic light emitting display and driving method thereof - An organic light emitting display configured to be driven using a frame divided into a plurality of sub-frames includes a data driver configured to supply a plurality of data signals to output lines during a first period of one horizontal period of the sub-frame, a scan driver configured to sequentially supply a scan signal to scan lines during a second period of the one horizontal period of the sub-frame, a demultiplexer coupled to each output line, the demultiplexer being configured to supply the data signals to a plurality of data lines, buffers configured to supply buffers supplying signals from the demulitplexers to the data lines, the buffers including PMOS transistors, and pixels disposed at intersections of the scan lines and the data lines, the pixels being configured to display images corresponding to the data signals. | 01-29-2009 |
20090121973 | Display device and method of fabricating the same - A display device includes a pixel unit, the pixel unit including at least one pixel having a control line coupled thereto, the control line being configured to supply a control signal to the pixel, a data line configured to supply a data signal to the pixel, and at least one buffer circuit disposed in the pixel unit and coupled to the control line. | 05-14-2009 |
20090135107 | Organic light emitting display - A pixel circuit for an organic light emitting display is disclosed. The pixel uses both current and voltage driving methods. A voltage based on an input current and on an input voltage is stored, and current for an organic light emitting diode is generated based on the stored current. | 05-28-2009 |
20090175656 | IMAGE FORMING APPARATUS - An image forming apparatus having improved arrangement of photosensitive members and configuration of a light scanning device to enable size reduction is described. The image forming apparatus includes a plurality of photosensitive members, a light scanning device to irradiate light beams to the plurality of photosensitive members, so as to form electrostatic latent images on the photosensitive members, a plurality of developers to supply a developing agent to the photosensitive members, so as to form visible images on the photosensitive members, and a transfer drum disposed in contact with the photosensitive members and used to transfer the visible images such that the visible images overlap one another. Scanning lines, which are formed on the plurality of photosensitive members, respectively, by the light scanning device, are arranged in at least two different planes. | 07-09-2009 |
20090310203 | LIGHT SCANNING UNIT AND IMAGE FORMING APPARATUS COMPRISING THE SAME - A light scanning unit includes: a light source unit; a polygon mirror for deflecting and scanning light emitted from the light source unit, in a main scanning direction, and having a plurality of deflection surfaces and a plurality of edges at which adjacent deflection surfaces meet one another; an image forming optical system for condensing the deflected light; and a synchronization detection optical system for detecting a portion of light that is divided and reflected at an edge of the polygon mirror. The light scanning unit may be incorporated into an image forming apparatus. | 12-17-2009 |
20120127256 | LIGHT SCANNING UNIT AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING THE SAME - A light scanning unit and an electrophotographic image forming apparatus employing the same. The light scanning unit includes an imaging optical system including, when a path of one of the light beams directed to one of the surfaces disposed relatively far from the deflector is referred to as a first light path and when a path of one of the light beams directed to one of the surfaces disposed relatively close to the deflector is referred to as a second light path, light paths in which both of a section of the second light path before a first change of the second light path and a section of the second light path after the first change of the second light path intersect a section of the first light path after a second change of the first light path. | 05-24-2012 |
Patent application number | Description | Published |
20110128268 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display includes an image display unit having a plurality of pixels, and first and second pixel power lines that receive pixel-driving voltages from first and second power supplies, respectively. The second pixel power lines are interleaved with the first pixel power lines. Adjacent pixels of the same color from among the plurality of pixels provided in the image display unit are coupled to pixel power lines corresponding to different power supplies. This is to solve or mitigate the problem of non-uniform brightness of the entire image display unit due to voltage drops in the pixel power lines. | 06-02-2011 |
20110175881 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a method of driving the display device are disclosed. The display device includes first and second data drivers. The first data driver is configured to generate data voltages for the pixels based on first image data. The second data driver is configured to generate current voltages for the pixels based on second image data. One of the first and second data drivers may be disposed outside of a display panel. | 07-21-2011 |
20110291115 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display having first pixel power source lines receiving a pixel driving voltage from first power supply sources and second pixel power source lines arranged between the first pixel power source lines and receiving a pixel driving voltage from second power supply sources, the light emitting diode of each of a plurality of pixels included in an image display unit is divided into two, and the divided light emitting diodes are coupled to the different pixel power source lines so that brightness non-uniformity of the image display unit caused by the IR drops of the pixel power source lines is reduced or prevented. | 12-01-2011 |
20120075363 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel of an organic light emitting display in which the pixel includes: a first transistor including a first electrode coupled to a first power source, a second electrode, and a gate electrode coupled to a first node; a second transistor including a first electrode coupled to a third power source, a second electrode coupled to the first node, and a gate electrode coupled to a reset control line; a third transistor including a first electrode coupled to the first node, a second electrode coupled to a fourth power source, and a gate electrode; a fourth transistor including a first electrode coupled to the gate electrode of the third transistor, a second electrode coupled to a scan line, and a gate electrode coupled to a data line; and an organic light emitting diode (OLED) including an anode electrode coupled to the second electrode of the first transistor, and a cathode electrode coupled to a second power source. | 03-29-2012 |
20120139959 | DISPLAY DEVICE - A display device includes: a pixel area comprising pixels in rows and columns; main power lines at a first side of the pixel area and a second side of the pixel area facing the first side; first sub-power lines coupled to a first main power line of the main power lines formed at the first side and extending into the pixel area in a column direction; and second sub-power lines coupled to a second main power line of the main power lines formed at the second side and extending into the pixel area in the column direction, wherein the first sub-power lines and the second sub-power lines extend in different columns of pixels, and wherein a column of pixels of the pixels are alternatingly coupled to a neighboring sub-power line of the first sub-power lines and a neighboring sub-power line of the second sub-power lines. | 06-07-2012 |
20120146990 | PIXEL FOR DISPLAY DEVICE, DISPLAY DEVICE, AND DRIVING METHOD THEREOF - A pixel for a display device is disclosed. In one aspect the pixel includes six transistors. For example, the pixel may includes an organic light emitting diode, a first transistor transmitting a first power source voltage to an anode of the organic light emitting diode, a second transistor transmitting a gate-on voltage to the gate electrode of the first transistor, a third transistor transmitting a gate-off voltage to the gate electrode of the first transistor according to a first control signal, a fourth transistor transmitting the gate-off voltage to the gate electrode of the second transistor according to the first control signal, a fifth transistor transmitting the second control signal to the gate electrode of the second transistor, and a sixth transistor transmitting the gate-on voltage to the gate electrode of the fifth transistor according to a third control signal. The pixels in the display are turned off for initialization and the pixels are selectively turned on to display an image. | 06-14-2012 |
20130214277 | DISPLAY DEVICE HAVING ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT AND MANUFACTURING METHOD THEREOF - A method of manufacturing a display device including an electrostatic discharge protection circuit, the method including: forming an amorphous silicon layer on a substrate; crystallizing a partial region of the amorphous silicon layer into a polycrystalline silicon layer; and forming at least one transistor on the amorphous silicon layer that was not crystallized into the polycrystalline layer, wherein the electrostatic discharge protection circuit comprises the at least one transistor. | 08-22-2013 |
20140002436 | PIXEL CIRCUIT, ORGANIC LIGHT EMITTING DISPLAY DEVICE, AND METHOD OF DRIVING THE PIXEL CIRCUIT | 01-02-2014 |
20140210696 | ORGANIC LIGHT EMITTING DIODE (OLED) DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a scan driver for supplying first scan signals to first scan lines and supplying second scan signals to second scan lines and a data driver for supplying voltage data signals to first data lines in synchronization with the second scan signals. The OLED display also includes a current sink unit for supplying current data signals to second data lines in synchronization with the first scan signals, and pixels coupled to the first scan lines, the second scan lines, the first data lines, and the second data lines, having amounts of currents controlled to correspond to the current data signals, and having emission times controlled to correspond to the voltage data signals. | 07-31-2014 |
20140264338 | LINE STRUCTURE FOR REPAIR AND FLAT PANEL DISPLAY DEVICE HAVING THE SAME - A line structure for repair may include a first line in a first direction, a second line parallel with the first line, the second line having side portions extending along a second direction from respective end portions and coupled to the first line, and a third line intersecting the first and second lines, wherein at least one portion of the second line is made of undoped poly-silicon. | 09-18-2014 |
20140333677 | PIXEL, ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE PIXEL AND DRIVING METHOD THEREOF - An organic light emitting display includes a scan driver, a data driver, a current sink unit, and pixels. The scan driver is configured to provide a first scan signal to first scan lines and a second scan signal to second scan lines. The data driver is configured to provide a data signal to first data lines and a voltage data signal to second data lines. The current sink unit is configured to provide a current data signal to third data lines. The pixels are configured to store a voltage corresponding to the voltage data signal and the current data signal. A light emission time of the pixels is controlled by the data signal. | 11-13-2014 |