Abstract: An organic EL device includes a substrate, a first electrode layer arranged on the substrate, an organic EL layer arranged on the first electrode layer, an optical property adjusting layer arranged on the organic EL layer, and a second electrode layer arranged on the optical property adjusting layer.

Abstract: To provide a light-emitting element or a light-emitting device in which power is not consumed wastefully even if a short-circuit failure occurs. The present invention focuses on heat generated due to a short-circuit failure which occurs in a light-emitting element. A fusible alloy which is melted at temperature T2 by heat generated due to the short-circuit failure when the short-circuit failure occurs is used for at least one of a pair of electrodes in a light-emitting element, and a layer containing an organic composition which is melted at temperature T1 is formed on a surface of the electrode opposite to a surface facing the other electrode. The present inventors have reached a structure in which the temperature T2 is lower than temperature T3 at which the light-emitting element is damaged and the temperature T1 is lower than the temperature T2, and this structure can achieve the objects.

Abstract: The present invention provides an organic EL element configured to stably emit light while suppressing total reflection that occurs at an electrode. This organic EL element includes a pair of electrodes and one or more organic layers provided between the electrodes, and includes a light-emitting layer as the one or more organic layers. Surfaces of the pair of electrodes facing each other are flat. At least one organic layer of the one or more organic layers has a periodic structure that makes the traveling direction of light, traveling in the direction generally perpendicular to the thickness direction of the light-emitting layer, inclined to the thickness direction. The periodic structure has a periodic configuration that is arranged with a two-dimensional period in a plane that is perpendicular to the thickness direction of the light-emitting layer.

Abstract: The invention relates to an organic electroluminescent device (1) comprising a substrate (2), at least one electroluminescent layer stack on top of the substrate (2) with at least a substrate electrode (3), a counter electrode (5) and at least one organic electroluminescent layer (4) arranged between substrate electrode (2) and counter electrode (5), and a short prevention layer (6) covering the counter electrode (5) establishing a double layer (DL) with a tensile stress (TS) induced by the short prevention layer (5), and an electrically isolating layer (8) at least partly covering the short prevention layer (6), wherein the electrically isolating layer (8) is suitable to partially dissolve the organic layer (4) in the vicinity of a defect (7) within the electroluminescent layer stack and the tensile stress (TS) induced by the short prevention layer (6) is suitable to roll up (10) the double layer (DL) adjacent to the defect (7) after deposition of the electrically isolating layer (8).

Abstract: A front side emitting type organic light-emitting display device includes a substrate; an anode electrode formed over the substrate; an organic layer formed over the anode electrode; a cathode electrode formed over the organic layer; a pair of transparent conductive oxide layers disposed over the cathode electrode; and a metal layer interposed between the pair of transparent conductive oxide layers.

Abstract: A display device fabricated with a substrate; a display unit disposed on the substrate and including an electrode; a conductive protruding portion disposed along an outer side of the display unit and electrically connected to the electrode; a sealing substrate fixed to the substrate by an adhering layer surrounding substrate at the display unit and the conductive protruding portion, the adhering layer including a resin and a plurality of carbon fibers impregnated with the resin, and the sealing substrate including a through hole; a metal layer disposed at one side of the sealing substrate, facing the substrate, and contacting the conductive protruding portion electrically connected with the electrode; and a conductive connection portion filling the through hole and contacting the metal layer.

Abstract: An organic light emitting device according to one or more embodiments includes a gate line, a data line intersecting the gate line, a switching thin film transistor connected to the gate line and the data line, a driving thin film transistor connected to the switching thin film transistor, and a light emitting diode (LED) connected to the driving thin film transistor. The switching thin film transistor includes a control electrode connected to the gate line, a crystalline semiconductor overlapping the control electrode, and an input electrode and an output electrode are spaced apart from each other on the crystalline semiconductor, wherein the control electrode and the gate line are respectively disposed under and on the crystalline semiconductor and include different materials.

Abstract: Provided are novel organic electroluminescent compounds and organic electroluminescent devices using the same. Since the organic electroluminescent compound exhibits good luminous efficiency and excellent life property compared to the existing material, it may be used to manufacture OLED devices having superior operation life and consuming less power due to improved power efficiency.

Abstract: The upper surface portion of a planarization layer is planarized. In an anode formed on the planarization layer, upper surface portions at edge regions by a bank are located above an upper surface portion at a central region. A hole injection transporting layer is layered along the upper surface portions of the anode, and in the hole injection transporting layer, upper surface portions at the edge regions near the bank are located above an upper surface portion at the central region. In an organic light-emitting layer, upper surface portions at the edge regions (regions D1 and D2) near the bank are located above an upper surface portion at the central region (region D3). As a result, thicknesses T11 and T12 of the light-emitting layer are equivalent to a thickness T13 of the organic light-emitting layer.

Abstract: Provided is a bottom emission type organic EL panel capable of preventing or delaying loss of light emission from an end portion of the light emission area and reduction of the light emission area in an organic EL element. This organic electro luminescence panel includes an organic electro luminescence element having at least one organic layer between an anode and a cathode arranged on a substrate. This panel has a main light emission area emitting light with a high luminance and a non-light emission area or a low light emission area emitting light with a lower luminance than the main light emission area, arranged outside the end portion of the main light emission area. By limiting the main light emission area to a smaller size than the cathode forming area, the end portion of the cathode forming area is arranged outside the end portion of the main light emission area.

Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring.

Abstract: An organic electroluminescent element includes a first electrode, an organic compound film including a plurality of layers that include an emissive layer, a second electrode, a protective layer, and a buffer layer formed by an evaporation method between the second electrode and the protective layer, light emitted from the emissive layer emerging from the second electrode side, in which the second electrode is formed of a metal film having a thickness of 5 nm to 20 nm, a distance between a surface of the emissive layer adjacent to the first electrode and a surface of the second electrode adjacent to the organic compound film is in the range of 55 nm to 90 nm, and the protective layer is formed by a sputtering method or a plasma-enhanced chemical vapor deposition method.

Abstract: An organic light emitting diode display includes a substrate member, a plurality of pixel electrodes formed on the substrate member, an organic emission layer formed on the pixel electrodes, and a first common electrode formed on the organic emission. A transmitting layer may be formed on the first common electrode and is configured to be substantially antireflective. A second common electrode may be formed on the transmitting layer and the first common electrode is electrically connected with the second common electrode.

Abstract: It is known that a light-emitting element utilizing organic EL deteriorates due to moisture. Therefore, a sealing technique to prevent moisture permeation is important. A light-emitting device including a light-emitting element utilizing organic EL is manufactured over a support substrate having flexibility and a high heat dissipation property (e.g., stainless steel or duralumin), and the light-emitting device is sealed with a stack body having moisture impermeability and a high light-transmitting property or with glass having moisture impermeability and a high light-transmitting property and having a thickness greater than or equal to 20 ?m and less than or equal to 100 ?m.

Abstract: A high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device is provided by using an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency. The organic electroluminescent device includes a pair of electrodes, and a plurality of organic layers sandwiched between the pair of electrodes and including a phosphorescent light-emitting material-containing light emitting layer and a hole transport layer, wherein a compound of the following general formula (1) having a carbazole ring structure is used as a constituent material of the hole transport layer.

Abstract: In a light-emitting device, an insulating separation layer whose upper portion protrudes more than a bottom portion in a direction parallel to a substrate is provided on and in contact with a common wiring provided over the substrate. An EL layer provided over the separation layer on the common wiring is physically divided by the separation layer. An upper electrode layer formed in the same position is also physically divided by the separation layer and is in contact with the common wiring in a region overlapped with the most protruding portion of the separation layer. Such a common wiring may be used as an auxiliary wiring. Further, such a light-emitting device may be applied to a lighting device and a display device.

Abstract: An organic light emitting device is disclosed. In one embodiment, the device includes a plurality of pixels formed on a substrate, wherein each of the pixels includes: a first electrode layer formed on the substrate; an organic emission layer formed on the first electrode layer and a second electrode layer formed on the organic emission layer. Further, at least one of the first electrode layers of the pixels is externally patterned.

Abstract: An organic light emitting display device prevents damage to an interlayer including an emitting layer and reduces IR drop in face electrodes, and a method of manufacturing the same. The organic light emitting display device includes: a substrate; a pixel electrode disposed on the substrate; an interlayer comprising an emitting layer disposed on the pixel electrode; a face electrode on the interlayer; and a sealing member disposed on the face electrodes, wherein the sealing member and the face electrode are bent along a curve of an upper portion of a layer below the face electrode so as to prevent a gap between the sealing member and the face electrode, and between the face electrode and the layer below the face electrode.

Abstract: The present invention provides a transparent conductive oxide (TCO) having a modified, more specifically, a nanostructured upper surface, and such a TCO when further comprising a layer of a metal or an alloy thereof deposited on said nanostructured upper surface. The latter can be applied in optoelectronic devices such as organic light-emitting diode (OLED) devices; photovoltaic cells such as organic thin film (OPV) solar cells, compound semiconductor thin film solar cells, dye sensitized solar cells (DSSCs); and photochemical water splitting devices.

Abstract: The invention relates to a substantially transparent electronic device comprising a first contact surface provided with a first pattern of electrically conductive lines and a second contact surface provided with a second pattern of electrically conductive lines, the first contact surface extending parallel to the second contact surface, wherein the first pattern is rotationally displaced with respect to the second pattern by an angle between 15 and 165 degrees. The electrically conductive lines of the said first pattern and the said second pattern are substantially not transparent for visible light and are preferably used as shunting lines. The invention further relates to a method of manufacturing such device.

Abstract: An electronic device can include an organic active layer and an electrode. In one aspect, the electrode can further include a first layer that is conductive, and a second layer that is conductive. The second layer can include a defect extending at least partly through a thickness of the second conductive layer. The electrode can also include a third layer lying within and substantially filling the defect, wherein each of the second and third layers includes a same metallic element. In another aspect, a process for forming an electronic device can include forming an organic active layer and forming a first layer that is conductive and is part of an electrode. The process can also include forming a second layer and exposing the second layer to a first plasma to form a first compound from the second layer.

Abstract: To improve the light emission characteristics of a device when a transition metal oxide is used for the hole injection layer, in particular, to enhance the electron blocking characteristics of a transition metal oxide. An organic electroluminescence element comprising an anode, a cathode and a plurality of functional layers formed between the anode and the cathode, the functional layer containing a layer with a light-emitting function composed of at least one kind of an organic semiconductor and, between the anode and the layer with a light-emitting function, a charge injection layer composed of at least one kind of a transition metal oxide, wherein the ratio of the metal to oxygen at the anode side of the transition metal oxide layer is smaller than the stoichiometric ratio and at the same time, the ratio of the metal to oxygen at the layer with a light-emitting function side is greater than that at the anode side.

Abstract: An organic light emitting diode (OLED) display includes a substrate, a pixel electrode on the substrate, an organic light emitting member on the pixel electrode, a common electrode on the organic light emitting member, a thin film encapsulation member covering the common electrode, a black matrix on the thin film encapsulation member, and an upper protection film on the black matrix. The black matrix has a color filter at a location corresponding to the organic light emitting member. A sum of a thickness of the color filter and a distance between the color filter and the organic light emitting member is smaller than a width of the organic light emitting member.

Abstract: The present invention relates to an OLED display, and an OLED display according to an exemplary embodiment of the present invention includes a substrate member, an OLED including a first electrode formed on the substrate member, an organic emission layer formed on the first electrode, and a second electrode formed on the organic emission layer, and a cover layer formed on the second electrode and covering the OLED. The cover layer includes a cover main body and a corner-cube pattern formed on an opposite side of a side that faces the second electrode among both sides of the cover main body.

Abstract: An organic light-emitting diode (OLED) on a transparent substrate includes a microcavity formed between a reflecting cathode and semi-reflecting anode. The microcavity includes multiple organic layers with at least one light-emitting layer. The OLED is characterized by a transparent planarization layer between the substrate and an upper metallic layer forming the OLED semitransparent anode. A process for making such an OLED is also described.

Abstract: A non-light-emitting cell 100c is provided between pixels 100a and 100b. Ink for forming an organic light-emitting layer is dripped substantially simultaneously into sub-pixels 100a1, 100a2, and 100a3 in the pixel 100a and a sub-pixel 100b1 in the pixel 100b. On the other hand, such ink is not dripped into the non-light-emitting cell 100c since the organic light-emitting layer is not formed in the non-light-emitting cell 100c. Regarding two banks 105c and 105d defining the sub-pixel 100a3, an inclination angle ?d3 of a wall 105d3 of the bank 105d is larger than an inclination angle ?c3 of a wall 105c3 of the bank 105c. Similarly, regarding banks 105e and 105f defining the sub-pixel 100b1, an inclination angle ?e1 of a wall 105e1 of the bank 105e is larger than an inclination angle ?f1 of a wall 105f1 of the bank 105f.

Abstract: A device including a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer contains a reaction product of a transition metal complex or complexes, and wherein at least one or more kinds of transition metals selected from the group consisting of vanadium, rhenium and platinum, or a mixture of molybdenum and one or more kinds of transition metals selected from the group consisting of vanadium, rhenium and platinum is contained in a central metal or metals of the transition metal complex or complexes.

Abstract: An organic electroluminescent device includes at least two light-emissive units provided between a cathode electrode and an anode electrode opposed to the cathode electrode, each of the light-emissive units including at least one light-emissive layer. The light-emissive units are partitioned from each other by at least one charge generation layer, the charge generation layer being an electrically insulating layer having a resistivity of not less than 1.0×102 ?cm.

Abstract: An organic light-emitting element includes a first electrode, a second electrode, and at least one organic compound layer disposed between the first electrode and the second electrode. The organic compound layer includes a light-emitting layer containing a light-emitting material and being configured to emit light toward the first electrode and the second electrode. The light emitted toward the first electrode is reflected from a reflection plane located at the first electrode to cause interference with the light emitted toward the second electrode. The interference provides an interference intensity distribution having a maximum peak at a wavelength ?1. The light-emitting material of the light-emitting layer exhibits a photoluminescence spectrum having a maximum peak at a wavelength ?2. The organic light-emitting element produces an electroluminescence spectrum having a maximum peak at a wavelength ?3. These wavelengths satisfy the relationships: ?2??3 and |?2??3|<|?2??1|.

Abstract: An optoelectronic component having a substrate (1), an anode (2) and a cathode (10) and at least one active layer (6) disposed between the anode and the cathode. An amorphous dielectric layer (3) which contains or consists of a metal oxide, a metal nitride or a metal oxynitride is disposed directly on the cathode-side surface of the anode. The metal contained in the metal oxide, metal nitride or metal oxynitride is selected from one or several of the metals of the group consisting of aluminium, gallium, titanium, zirconium, hafnium, tantalum, lanthanum and zinc.

Abstract: A display panel apparatus includes a planarizing film formed on a substrate, at least one pixel including a lower electrode; an organic EL layer; and an upper electrode which are formed above the planarizing film; an auxiliary electrode electrically connected to the upper electrode which is the opposite to the lower electrode; a display section including a plurality of the pixels; an electrode plate electrically connected to the auxiliary electrode and arranged to cover the planarizing film outside the display section, and the electrode plate has a hole exposing a part of a surface of the planarizing film. Furthermore, the display panel apparatus also includes a hole injection layer which is an inorganic material layer made of an inorganic material and covering the hole.

Abstract: An organic electroluminescence element includes an anode and a transparent electrode cathode. An organic luminescent layer is located between the anode and the cathode. An electron injection layer is located between the cathode and the organic luminescent layer, and includes at least one of an alkali metal and an alkali earth metal to inject electrons into the organic luminescent layer. A cathode buffer layer is located between the electron injection layer and the cathode, and includes a hole-transporting organic material.

Abstract: Disclosed herein is an organic electroluminescence display device including: a substrate; a plurality of lower electrodes formed thereon for each of a plurality of organic electroluminescence elements; a plurality of hole injecting/transporting layers capable of either hole injection or hole transportation which are formed on the lower electrodes for each of the organic electroluminescence elements; a plurality of organic light emitting layers containing a low-molecular weight material which are formed on the hole injecting/transporting layers for each of the organic electroluminescence elements; an electron injecting/transporting layer capable of either electron injection or electron transportation which is formed over the entire surface of the organic light emitting layers; and an upper electrode formed on the electron injecting/transporting layer.

Abstract: An organic light emitting diode lighting apparatus is disclosed. The apparatus includes a plurality of electrode lines that feed current to or from a plurality of light emitting diodes, and a flexible printed circuit board (FPCB) that has a plurality of connection lines electrically connected to the plurality of electrode lines through the plurality of contact holes. In some embodiments, the FPCB has a fuse for each of the electrode lines.

Abstract: A light emitting device includes a substrate and a plurality of pixel rows. The pixel rows are arranged on the substrate. Each of the pixel rows includes a first sub-pixel row having a plurality of first sub-pixels, a second sub-pixel row having a plurality of second sub-pixels, and a third sub-pixel row having a plurality of third sub-pixels. In the mth pixel row, each first sub-pixel includes a first structure layer, the first structure layers are separated from each other and each corresponds to one first sub-pixel. In the (m+n)th pixel row, the first sub-pixels include a first common structure layer, the first common structure layer corresponds to a plurality of first sub-pixels in a same row. The first structure layer and the first common structure layer commonly act as an organic functional layer or an electrode layer, and m, n are each a positive integer.

Abstract: An organic light emitting device having a light emitting unit that includes an anode layer, a second wire, an insulating layer, first and second organic light emitting layers and a cathode layer is provided. The anode layer includes first and second sub-electrodes and a first wire connecting the first and second sub-electrodes that are arranged in a first direction. The second wire is disposed between the first and second sub-electrodes. The insulating layer is disposed on the first and second sub-electrodes and the second wire, and has a plurality of openings to expose the first sub-electrode, the second sub-electrode and the second wire. The first and second organic light emitting layers are disposed in two openings. The cathode layer is disposed on the first and second organic light emitting layers, and the cathode layer fills another opening to electrically connect to the second wire through the another opening.

Abstract: A carbazole compound in which the 2-position of a dibenzofuran skeleton or a dibenzothiophene skeleton is bonded to the 3-position of a carbazole skeleton and nitrogen of the carbazolyl group is bonded to the 9- or 10-position of an anthracene skeleton directly or via a phenylene group was able to be synthesized. It was found out that the carbazole compound has an excellent carrier-transport property, favorable film quality, and a wide band gap, and can be suitably used as a light-emitting element material and an organic semiconductor material.

Abstract: The present invention discloses a packaging structure and method for organic light emitting devices, in which the packaging structure comprises a substrate; an OLED device, which disposing on the substrate; a first transparent protection layer, which forming on the OLED device; and a second transparent protection layer, which forming on the first transparent protection layer.

Abstract: An organic light emitting diode includes a first electrode on a substrate; a hole transporting layer on the first electrode; a light emitting material layer on the hole transporting layer; an electron transporting layer on the light emitting material layer and doped with a metal; a second electrode on the electron transporting layer; and a buffer layer between the electron transporting layer and the second electrode and using an organic material of a triphenylene skeleton including substituted or nonsubstituted heteroatom, or a substituted or nonsubstituted Pyrazino quinoxaline derivative compound.

Abstract: A compound for an organic optoelectronic device, an organic light emitting diode, and a display device, the compound including substituents represented by the following Chemical Formulae 1 and 2:

Abstract: An organic light emitting diode display comprises: a substrate; an active layer formed with a semiconductor material on the substrate; a first insulation layer formed on the semiconductor layer; a pixel electrode formed on the first insulation layer and generated by alternately stacking a plurality of pixel metal layers and a plurality of pixel transparent conductive layers; a gate electrode formed on the first insulation layer and formed in a configuration different from that of the pixel electrode; a second insulation layer formed on the first insulation layer so as to cover the gate electrode with an insulation layer opening for revealing the pixel electrode; a source electrode and a drain electrode respectively formed on the second insulation layer and electrically connected to the active layer; an organic emission layer formed on the pixel electrode; and a common electrode formed on the organic emission layer.

Abstract: A composite material including an organic compound and an inorganic compound and having a high carrier-transport property is provided. A composite material having a high carrier-injection property to an organic compound is provided. A composite material in which light absorption due to charge transfer interaction is unlikely to occur is provided. A light-emitting element having high emission efficiency is provided by including the composite material. A light-emitting element having a low drive voltage is provided. A light-emitting element having a long lifetime is provided. A composite material including a heterocyclic compound having a dibenzothiophene skeleton or a dibenzofuran skeleton and an inorganic compound exhibiting an electron-accepting property with respect to the heterocyclic compound is provided.

Abstract: An organic EL illuminant (20) includes a first electrode (22), an organic EL layer (23), and a second electrode (24) which are sequentially stacked on a supporting base (21), wherein when a side in which the supporting base (21) is provided is one side, and a side in which the second electrode (24) is provided is the other side, a surface of the one side of at least one of the supporting base (21), the first electrode (22), or the second electrode (24) is larger than a surface of the other side of the at least one of the supporting base (21), the first electrode (22), or the second electrode (24).

Abstract: A semiconductor device having semiconductor elements disposed with higher density and a method for manufacturing the same are provided. An image display device employing the semiconductor device is also provided. A semiconductor device comprises a resin film having a through hole; and a semiconductor element comprising a gate electrode disposed on the inner wall of the through hole, an insulating layer that covers the gate electrode within the through hole, an organic semiconductor disposed on the insulating layer within the through hole, and a source electrode and a drain electrode which are electrically connected to the organic semiconductor.

Abstract: [Problem] To provide a method for increasing a work function of an electrode by a simple operation and an organic EL element which has an anode of a high work function, exhibits excellent light emission properties (luminous efficiency, lifetime), has a good luminescent surface with small unevenness of luminance and few defects and has low leakage current. [Solution to Problem] A surface treatment method for electrodes, including a contact step of bringing an electrode made from a metal oxide into contact with a solution including a silane compound represented by the following formula (1) and/or a partially hydrolyzed condensate thereof and water, and an organic EL element having a luminescent layer and a cathode laminated in this order on a surface-treated surface of an anode made from a metal oxide, said anode having been surface-treated by the method.

Abstract: When a light-emitting element having an intermediate conductive layer between a plurality of light-emitting layers is formed, the intermediate conductive layer can have transparency; and thus, materials are largely limited and the manufacturing process of an element becomes complicated by a conventional method. A light-emitting element according to the present invention is formed by sequentially stacking a pixel electrode, a first light-emitting layer, an intermediate conductive layer (including an electron injecting layer and a hole-injecting layer, one of which is island-like), a second light-emitting layer and an opposite electrode.

Abstract: Compounds comprising a metal complex having novel ligands are provided. In particular, the compound is an iridium complex comprising novel aza DBX ligands. The compounds may be used in organic light emitting devices, particularly as emitting dopants, providing improved efficiency, low operating voltage, and long lifetime.

Abstract: A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes.

Abstract: In an organic light emitting device and method of fabricating the same, a hole is formed in a reflecting layer formed below a first electrode or the reflecting layer itself is patterned to form a reflecting layer pattern, and an opening is formed in the reflecting layer positioned below the first electrode, so that light generated in an organic layer is transmitted toward the bottom as well as the top, and an aperture ratio of the opening may be adjusted to control the amount of the transmitted light and the reflected light. The organic light emitting device includes: a substrate; a first electrode; an organic layer having at least an organic emission layer; and a second electrode formed on the substrate. A reflecting layer is positioned below the first electrode, and has at least one hole or at least one island pattern formed therein.

Abstract: An organic light emitting display (OLED) and a method of manufacturing the OLED is disclosed. The OLED, which has a transparent metal layer substantially preventing an oxide layer from forming on a pad metal, and a method of manufacturing the OLED are disclosed. The OLED includes a substrate, a display unit formed on the substrate including gate and source/drain electrodes, and a pad unit formed on the substrate configured to transmit electrical signals to the display unit. The pad unit includes a wiring line terminal in which a transparent metal layer is formed in a predetermined shape and a predetermined region.