Abstract:
An organic electroluminescent display (ELD) device having a first substrate having an array element layer and a second substrate having an organic electroluminescent diode includes a gate line formed on the first substrate in a first direction, a data line formed on the first substrate in a second direction perpendicular to the first direction, a power supply line spaced apart from the data line and formed on the first substrate in the second direction, the power supply line being formed with same material as the gate line in a same process as the gate line, the power supply line having an additional power supply link line near a crossing portion of the gate line and the power supply line, a switching thin film transistor formed near a crossing portion of the gate and data lines, the switching thin film transistor having a semiconductor layer formed of amorphous silicon, a driving thin film transistor formed near a crossing portion of the switching thin film transistor and the power supply line, the driving thin film transistor having a semiconductor layer formed of same material as the semiconductor layer of the switching thin film transistor, a connecting electrode connected to the driving thin film transistor, and an electrical connecting pattern formed between the first substrate and the second substrate for electrically connecting the connecting electrode to the organic electroluminescent diode.
Abstract:
An active matrix type organic light emitting diode device and a thin film transistor thereof are disclosed in the present invention. The driving thin film transistor for an active matrix type organic light emitting diode (AMOLED) device having first and second electrodes spaced apart from each other and an organic light emitting layer disposed between the first and second electrodes includes a gate electrode on a substrate, a semiconductor layer over the gate electrode, and source and drain electrodes on the semiconductor layer, wherein the source and drain electrodes are spaced apart from each other and respectively overlap portions of the gate electrode, and an overlapping area between the gate electrode and the source electrode is larger than an overlapping area between the gate electrode and the drain electrode.
Abstract:
An organic light emitting diode device includes an array layer having a plurality of thin film transistors, an organic light emitting diode formed on a second substrate, a plurality of connection patterns disposed between the first and second substrates, the connection pattern connecting a respective thin film transistor to the corresponding organic light emitting diode and a sealant between the first and second substrates, wherein each thin film transistor includes: a gate electrode on the first substrate, the gate electrode having an opening in the middle thereof; a gate insulating layer over the gate electrode; a semiconductor layer on the gate insulating layer above the gate electrode; a drain electrode on the semiconductor layer corresponding to the opening of the gate electrode; and first and second source electrodes formed respectively on both sides of the semiconductor layer and spaced apart from the drain electrode.
Abstract:
An organic electroluminescent device includes first and second substrates having pixel regions and a peripheral region, a first common electrode at the peripheral region on the first substrate, a driving thin film transistor (TFT) at each of the pixel regions on the first substrate, a first connection electrode connected to a drain electrode of the TFT, a second connection electrode connected to the first common electrode, a first electrode on the second substrate, isolating patterns on the first electrode corresponding to each border between the pixel regions, a first insulating pattern on the first electrode corresponding to the second connection electrode, partition walls on the isolating patterns, an organic luminescent layer on the first electrode, a second electrode on the organic luminescent layer connected to the first connection electrode at each of the pixel regions, and a first contacting electrode on the first insulating pattern contacting the first electrode.
Abstract:
An organic electroluminescence display device and a method of fabricating the same are disclosed in the present invention. The organic electroluminescence display device includes a substrate, a sealing element spaced apart from the substrate, a first sealant disposed between the substrate and the sealing element, the first sealant defining an array region and an airtight space between the substrate and the sealing element, a second sealant disposed between the substrate and the sealing element, the second sealant surrounding the first sealant, a first electrode in the array region on an inner surface of the substrate, an emissive layer on the first electrode, and a second electrode on the emissive layer.
Abstract:
A dual panel-type organic electroluminescent display device includes a first substrate and a second substrate bonded together to include a plurality of sub-pixel regions, a first electrode on an inner surface of the second substrate, an insulating pattern on the first electrode along a border portion between adjacent sub-pixel regions, a plurality of partition walls on the insulating pattern, a plurality of organic electroluminescent layers, each within one of the sub-pixel regions between adjacent partition walls, a second electrode on the organic electroluminescent layer, a plurality of thin film transistors on an inner surface of the first substrate each within one of the sub-pixel regions, and including a semiconductor layer, a gate electrode, a source electrode, and a drain electrode, a passivation layer covering the thin film transistors and including a contact hole exposing the drain electrode, and a plurality of connection patterns on the passivation layer, each including a first pattern and a second pattern, wherein the first pattern corresponds to the second electrode and has a height larger than a height of the partition walls and the second pattern covers the first pattern and is connected to the drain electrode and the second electrode.
Abstract:
An organic electroluminescent device of the present invention includes: a gate line and a data line formed over a substrate, the gate and data lines perpendicularly crossing each other and defining a pixel therebetween; a first driving unit formed in the pixel and comprised of a first switching TFT and a first driving TFT; a power line delivering a current signal to the first driving TFT; an organic electroluminescent diode contacting the first driving TFT and receiving the current signal from the first driving TFT; and a second driving unit formed in the pixel and comprised of a second switching TFT and a second driving TFT, the second driving unit being a backup circuit that can deliver the current signal from the power line to the organic electroluminescent diode when the first driving unit malfunctions.
Abstract:
An organic electroluminescent display device includes first and second substrates facing and spaced apart from each other, the first and second substrates having a plurality of sub-pixel regions, a thin film transistor provided at each of the plurality of sub-pixel regions on an inner surface of the first substrate, a first electrode on an inner surface of the second substrate, an organic electroluminescent layer on the first electrode, a second electrode on the organic electroluminescent layer at each of the plurality of sub-pixel regions, and a connection pattern contacting the thin film transistor and the second electrode, wherein a melting temperature of the connection pattern is lower than a melting temperature of the second electrode.
Abstract:
An organic electroluminescent device includes a substrate, a plurality of gate lines on the substrate, a plurality of data lines on the substrate, each of the plurality of data lines crossing the gate lines, a plurality of switching elements and driving elements interconnected on the substrate, and a power line disposed in parallel to the data lines on the substrate, wherein the power line is electrically connected to at least two of the plurality of driving elements.
Abstract:
An active matrix organic electroluminescent device includes a substrate, a buffer layer on the substrate, a thin film transistor on the buffer layer, a passivation layer on an entire surface of the substrate covering the thin film transistor, a first electrode disposed on the passivation layer to contact the thin film transistor through a contact hole formed in the passivation layer, a first bank layer disposed on the first electrode and on the passivation layer, the first bank layer having a first bank opening exposing a portion of the first electrode, a second bank layer disposed on the first bank layer to have a second bank opening aligned with the first bank opening, an organic electroluminescent layer formed within the first bank opening to electrically contact the first electrode and the first bank layer, and a second electrode formed on the organic electroluminescent layer and on the second bank layer within the first and second bank openings.