Abstract: The present invention relates to an inkjet apparatus and an inkjet method that allows a more precise control over ink deposition. The inkjet apparatus includes: a stage having a seating zone for supporting a substrate, a jetting zone, and an exclusion zone; a nozzle head having at least one nozzle directed at the stage; an ink feeder supplying ink to the nozzle head; a driver driving at least one of the nozzle head and the stage to move the nozzle head and the stage relative to each other; and a controller controlling the ink feeder to supply ink to nozzle head when the nozzle head is placed in the jetting zone and to stop the ink supply to the nozzle head when the nozzle head is placed in the exclusion zone. Accordingly, according to the present invention, there is provided an inkjet apparatus which can reduce an ink blur and an inkjet method which can reduce an ink blur.

Abstract: A method of manufacturing a display device includes forming a thin film transistor on an insulating substrate, forming an electrode which is electrically connected with the thin film transistor, forming a wall which surrounds the electrode, supplying a first solvent to the electrode that is surrounded by the wall, and supplying ink which comprises an organic material and a second solvent to the electrode which has previously received the first solvent. Thus, the manufacturing method produces a display device which has a uniform organic layer.

Abstract: There are provided an organic El device and a method of fabricating the same. Each of anode electrodes includes an organic luminescence layer disposed thereon, and a cathode electrode separately disposed on each of the organic luminescence layers. Each cathode electrode receives a power source suitable for operation properties of each of the organic luminescence layers. Accordingly, an improved image may be displayed in a full-color display.

Abstract: There are provided an organic EL device and a method of fabricating the same. An effective display area on which an anode electrode, an organic luminescence layer and a cathode electrode are formed is sealed by means of a metal can, a glass cap or an organic/inorganic material. A power source is applied to the anode and the cathode electrodes through a power transferring part extended from the effective display area to a non-effective display area. Accordingly, it is possible to reduce the oxidation of the cathode electrode of the organic EL device, thereby preventing the electrical contact characteristics of the cathode electrode from being deteriorated.

Abstract: The invention provides a display apparatus comprising: a plurality of thin film transistors; a protective film formed on the thin film transistor; a plurality of pixel electrodes formed on the protective film and electrically connected with the thin film transistors; a partition wall layer partitioning the pixel electrodes adjacent to each other, the partition wall layer including a main exposure portion exposing the pixel electrode and a sub-exposure portion protruded and extended from the main exposure portion whereby the problem of non-uniform coating of ink in the corners of pixel electrodes is overcome.

Abstract: A TFT substrate with reduced pixel defect rate is presented. The TFT substrate includes a pixel electrode, a negative line to apply a reverse voltage to the pixel electrode, and a recovery transistor including a drain electrode overlapping a part of the negative line with a insulating layer disposed between the negative line and the drain electrode. A contact hole is formed on the negative line and the drain electrode, and a bridge electrode connects the negative line and the drain electrode through the contact hole. The thin film transistor substrate and a display apparatus presented herein protect a data line assembly metal layer and decrease pixel defect. An improved reverse voltage efficiency is applied to a pixel electrode to protect a drain electrode.

Abstract: An organic light emitting diode (OLED) display device with improved hole injection efficiency is presented, along with a method of making the display device. A thin film transistor (TFT) is formed on an insulating substrate. A pixel electrode is electrically connected to the TFT, and a hydrophilic wall is formed between the pixel electrode and an adjacent pixel electrode. A hole injecting layer and a first organic light emitting layer covering the pixel electrode and the hydrophilic wall and formed. Then, a second organic light emitting layer and a third organic light emitting layer are formed to partly cover the first organic light emitting layer.

Abstract: An organic light-emitting panel includes a data line, a scan line, a voltage applying line, a switching device, an organic light emitting device and a driving device. The voltage applying line satisfies a condition expressed as V ? ( max ) n < A ? ? ? ? ? VData ? ? GS n ? [ Volt ] , wherein ?Vmax is a maximum voltage drop, ‘n’ is a number of pixels that are electrically connected to the voltage applying line, ‘A’ is a correction coefficient that is in a range from about 1 to about 4, ?Vdata is a voltage difference between the gray scales, and GS is a number of gray scale. According to the organic light-emitting panel, the voltage drop of the voltage applying line is reduced.

Abstract: A display device including a substrate, a first electrode formed over the substrate, and a partition member having a first aperture is provided. The display device further includes an emitting control layer covering a portion of the first aperture, thereby providing a second aperture to expose a portion of the first electrode, wherein the second aperture has a quadrangular shape with chamfered corners which help disperse organic material uniformly. Advantageously, the emitting control layer is formed of a material having an affinity to an organic material forming an organic light emitting layer within the second aperture, thereby helping to disperse the organic material uniformly and improve brightness uniformity.

Abstract: An organic light emitting display according to an embodiment of the invention includes: a substrate; a first electrode disposed on the substrate; a first partition disposed on the first electrode and having an opening exposing the first electrode; a second partition that is disposed on the first partition, wider than the first partition, defines an emission area, and includes photosensitive organic material; an emission layer disposed in the emission area; and a second electrode disposed on the emission layer.

Abstract: There are provided an organic EL device and a method of fabricating the same. An effective display area on which an anode electrode, an organic luminescence layer and a cathode electrode are formed is sealed by means of a metal can, a glass cap or an organic/inorganic material. A power source is applied to the anode and the cathode electrodes through a power transferring part extended from the effective display area to a non-effective display area. Accordingly, it is possible to reduce the oxidation of the cathode electrode of the organic EL device, thereby preventing the electrical contact characteristics of the cathode electrode from being deteriorated.

Abstract: An organic light-emitting panel includes a data line, a scan line, a voltage applying line, a switching device, an organic light emitting device and a driving device. The voltage applying line satisfies a condition expressed as ? ? ? V ? ( max ) n < A ? ? ? ? Vdata GS n ? [ Volt ] , wherein ?Vmax is a maximum voltage drop, ‘n’ is a number of pixels that are electrically connected to the voltage applying line, ‘A’ is a correction coefficient that is in range from about 1 to about 4, ?Vdata is a voltage difference between the gray scales, and GS is a number of gray scale. According to the organic light-emitting panel, the voltage drop of the voltage applying line is reduced.

Abstract: A droplet ejecting apparatus, method of forming a thin film, and a substrate for a display device, wherein a droplet ejecting apparatus includes a first ejecting unit ejecting a first droplet on a substrate, a second ejecting unit ejecting a second droplet on the substrate along a path defined by a movement of the first ejecting unit, and a transporting unit connected with the first ejecting unit and the second ejecting unit to transport the first ejecting unit and the second ejecting unit.

Abstract: An organic light-emitting panel includes a data line, a scan line, a voltage applying line, a switching device, an organic light emitting device and a driving device. The voltage applying line satisfies a condition expressed as ¡ ? a ^ ? V ? ( max ) n < A ? ¡ ? a ^ ? Vdata GS n ? [ Volt ] , wherein ?Vmax is a maximum voltage drop, ‘n’ is a number of pixels those are electrically connected to the voltage applying line, ‘A’ is a correction coefficient that is in a range from about 1 to about 2, ?Vdata is a voltage difference between the gray scales, and GS is a number of gray scale. According to the organic light-emitting panel, the voltage drop of the voltage applying line is reduced.

Abstract: A polysilicon layer is formed on an insulating substrate and a gate insulating layer is formed on the polysilicon layer. A gate line is formed on the gate insulating layer and an interlayer insulating film is formed on the gate line. A data line and a pixel electrode are formed on the interlayer insulating film. A partition is formed on the data line and the pixel electrode and an organic EL layer is formed on the pixel electrode in a predetermined area defined by the partition. A common electrode is formed on the organic EL layer.

Abstract: A display panel for an organic light emitting display including a plurality of anode electrodes and a cathode electrode that is supplied with a predetermined voltage and includes a first portion facing the anode electrodes and a second portion receiving the predetermined voltage and having a different cross section than the first portion. A plurality of light emitting members is arranged between the anode electrodes and the cathode electrode, and a conductive line transmits the predetermined voltage and contacts the second portion of the cathode electrode.

Abstract: In a display device and a method of manufacturing the display device, the display device has a substrate having a first region and a second region disposed at a peripheral portion of the first region. The substrate includes a plurality of first electrodes disposed on the first region and an insulation member selectively disposed in the first region. The insulating member has a plurality of openings that expose a portion corresponding to the first electrodes. The substrate includes light emitting patterns are disposed on the first electrodes through the openings and the substrate has a second electrode disposed on the light emitting patterns. Accordingly, the thickness of the light emitting patterns is uniformity so that the quality of an image generated from the light emitting patterns is improved.

Abstract: Disclosed is an organic electroluminescent (EL) device for enhancing the luminous efficiency. A first electrode is formed on a substrate. A CVD insulating film of low dielectric constant having an opening exposing the first electrode is formed on the first electrode and the substrate. An organic EL layer and a second electrode are sequentially stacked on the opening. A wall surrounding a region of the organic EL layer is formed of the CVD insulating film of low dielectric constant, the surface treatment of the pixel electrode can be performed using O2 plasma to thereby enhance luminance properties.

Abstract: A display device for increasing a lifetime includes a base substrate having a plurality of pixel regions, a plurality of first electrodes formed on the pixel regions, a light emitting layer including first, second and third light emitting portions to generate first, second and third lights, a second electrode that is electrically coupled to the light emitting layer. At least two of the first, second and third light emitting portions have different areas from each other. The areas of the light emitting portions are determined by reference lifetimes. Therefore, the lifetime for the display device is increased.

Abstract: A display device includes a substrate, first and second electrodes, and first, second, third and fourth organic patterns. The substrate includes a first region having first pixel regions, a second region having second pixel regions, and a third region having third pixel regions. The first electrodes are disposed at the first, second and third pixel regions. The first organic patterns are formed at the first pixel regions. The second organic patterns are formed at selected ones of the second pixel regions. The second organic patterns have substantially a same profile as that of the first organic patterns. The third organic patterns are formed at remaining ones of the second pixel regions. The fourth organic patterns are formed at the third pixel regions. The fourth organic patterns have substantially a same profile as that of the third organic patterns. The second electrode covers the first, second, third and fourth organic patterns. Therefore, an image display quality is enhanced.