摘要:
A thin film transistor and method of manufacturing the same is disclosed. In the thin film transistor and method of manufacturing the same, an organic planarization layer and an inorganic layer may be sequentially formed, over an entire surface of the substrate, on the source/drain electrode of a thin film transistor having a semiconductor layer, a gate, source/drain areas and the source/drain electrodes. After forming a photoresist pattern on the inorganic layer, an etching process may be performed to cover the organic planarization layer to form a contact hole or a via hole that connects a pixel electrode to one of the source/drain electrodes. According to the manufacturing method of the present invention, the contact hole or via hole, formed using two or more masks conventionally, can be formed using one mask, thereby simplifying a process, and improving an adhesion with the pixel electrode through the inorganic layer, and also improving a sealing adhesion in the encapsulation process to increase the lifetime of the resultant thin film transistor. This thin film transistor can be appropriately applied to the active matrix organic electroluminescent display.
摘要:
An organic light emitting display and method of fabricating the same are provided. The organic light emitting display includes: a TFT disposed on a substrate and having a gate electrode and source and drain electrodes; a pixel electrode formed on a planarization layer having a via contact hole over the substrate, connected to one of the source and drain electrodes through the via contact hole, and having an etching surface extending to the planarization layer; a pixel defining layer pattern for defining an emission region formed on the entire surface; an organic layer formed on an emission region of the pixel electrode, and having at least an emission layer; and an opposite electrode formed on the entire surface, thereby preventing the organic layer from being separated from an edge of the pixel electrode and a short circuit from occurring between the pixel electrode and the opposite electrode to improve device characteristics and reliability.
摘要:
An organic light emitting display and method of fabricating the same are provided. The organic light emitting display includes: a TFT disposed on a substrate and having a gate electrode and source and drain electrodes; a pixel electrode formed on a planarization layer having a via contact hole on the substrate, connected to one of the source and drain electrodes through the via contact hole, and having an etching surface extending to the planarization layer; a pixel defining layer pattern for defining an emission region formed on the entire surface; an organic layer formed on an emission region of the pixel electrode, and having at least an emission layer; and an opposite electrode formed on the entire surface, thereby preventing the organic layer from being separated from an edge of the pixel electrode and a short circuit from occurring between the pixel electrode and the opposite electrode to improve device characteristics and reliability.
摘要:
An organic electroluminescent display includes a substrate having an array portion with pixels, and a pad portion coupled to an external power supply. A semiconductor structure is formed on the substrate with a source electrode, a drain electrode and a pad. A passivation layer is formed on the semiconductor structure with via holes exposing regions of the source and the drain electrodes at the array portion and the pad at the pad portion. Portions of the passivation layer contacting the via holes between the array portion and the pad portion have the same thickness. A conductive layer fills the via holes. A pixel defining layer is formed over the entire surface of a flattening layer and the conductive layer with pixel regions exposing regions of the conductive layer at the array portion. An organic electroluminescent film is formed at each pixel region.
摘要:
A TFT having a dual buffer structure, a method of fabricating the same, and a flat panel display having the TFT, and a method of fabricating the same are provided. The TFT includes a first buffer layer formed of an amorphous silicon layer on a substrate, a second buffer layer formed on the first buffer layer. The TFT also includes a semiconductor layer formed on the second buffer layer and a gate electrode formed on the semiconductor layer. The dual buffer structure provides better barrier to impurities diffusing from the substrate, and also acts as a black matrix to reduce unwanted reflections and is a source of hydrogen to passivate other layers.
摘要:
A TFT having a dual buffer structure, a method of fabricating the same, and a flat panel display having the TFT, and a method of fabricating the same are provided. The TFT includes a first buffer layer formed of an amorphous silicon layer on a substrate, a second buffer layer formed on the first buffer layer. The TFT also includes a semiconductor layer formed on the second buffer layer and a gate electrode formed on the semiconductor layer. The dual buffer structure provides better barrier to impurities diffusing from the substrate, and also acts as a black matrix to reduce unwanted reflections and is a source of hydrogen to passivate other layers.
摘要:
An organic electroluminescent display includes a substrate having an array portion with pixels, and a pad portion coupled to an external power supply. A semiconductor structure is formed on the substrate with a source electrode, a drain electrode and a pad. A passivation layer is formed on the semiconductor structure with via holes exposing regions of the source and the drain electrodes at the array portion and the pad at the pad portion. Portions of the passivation layer contacting the via holes between the array portion and the pad portion have the same thickness. A conductive layer fills the via holes. A pixel defining layer is formed over the entire surface of a flattening layer and the conductive layer with pixel regions exposing regions of the conductive layer at the array portion. An organic electroluminescent film is formed at each pixel region.
摘要:
A thin-film deposition mask includes a mask body, the mask body having a first surface and a second surface that is an opposite surface of the first surface, the mask body having a plurality of deposition holes therein, and a spacer near the deposition holes, the spacer protruding from the first surface of the mask body in a vertical direction.
摘要:
A laser beam irradiation apparatus and method of manufacturing an organic light emitting display device using the same are disclosed. The laser beam irradiation apparatus is configured to irradiate a laser beam to an object extending in a first direction while moving the laser beam relative to the object in the first direction, where the laser beam has a cross-section taken in a plane perpendicular to a second direction in which the laser beam is irradiated from the apparatus, the cross-section comprising two substantially symmetrical portions that are substantially symmetrical about a centerline of the cross-section extending in the first direction, where the cross-section has a centerline length taken in the centerline, where at least part of the substantially symmetrical portions has a length in the first direction that is longer than the centerline length.
摘要:
In an organic light-emitting display device and a method of manufacturing the same, the organic light-emitting display device includes: a substrate; an organic light-emitting unit that includes a plurality of organic light-emitting devices formed on the substrate; and an encapsulation unit that seals the organic light-emitting unit. The encapsulation unit includes: a barrier layer and a planarization layer that are stacked on the organic light-emitting unit; and a cover layer that is disposed between the barrier layer and the planarization layer to cover a crack occurring in each of the organic light-emitting devices.