Abstract:
An organic light emitting diode (OLED) display device and a method of fabricating the same are disclosed. The OLED display device includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels disposed in a region in which the scan lines cross the data lines, where each pixel of the plurality of pixels includes: a switching transistor including a first gate electrode, a first semiconductor layer disposed over the first gate electrode, a first gate insulating layer interposed between the first gate electrode and the first semiconductor layer, a first source electrode and a first drain electrode, a driving transistor including a second semiconductor layer, a second gate electrode disposed over the second semiconductor layer, a second gate insulating layer interposed between the second gate electrode and the second semiconductor layer, a second source electrode and a second drain electrode, and an organic light emitting diode electrically connected with the second source and second drain electrodes of the driving transistor, where the first and second semiconductor layers are formed of the same material, and from the same processing.
Abstract:
본 발명은 다결정 실리콘층의 제조방법, 박막트랜지스터, 그를 포함하는 유기전계발광표시장치 및 그들의 제조방법에 관한 것으로써, 더 상세하게는 기판을 제공하고, 상기 기판 상에 버퍼층을 형성하고, 상기 버퍼층 상에 금속촉매층을 형성하고, 상기 금속촉매층의 금속촉매를 버퍼층으로 확산시키고, 상기 금속촉매층을 제거하고, 상기 버퍼층 상에 비정질 실리콘층을 형성하고, 상기 기판을 열처리하여 상기 비정질 실리콘층을 다결정 실리콘층으로 결정화시키는 것을 특징으로 하는 다결정 실리콘층의 제조방법에 관한 것이다. 그리고 기판; 상기 기판 상에 위치하는 버퍼층; 상기 버퍼층 상에 위치하는 반도체층; 상기 반도체층을 포함하는 기판상에 위치하는 게이트 절연막; 상기 게이트 절연막 상에 위치하는 게이트 전극; 및 상기 반도체층과 전기적으로 연결되는 소스/드레인 전극을 포함하며, 상기 버퍼층과 상기 반도체층이 접촉하는 계면에 금속실리사이드를 포함하는 것을 특징으로 하는 박막트랜지스터 및 그의 제조방법에 관한 것이며, 상기 박막트랜지스터를 구비하는 유기전계발광표시장치 및 그의 제조방법에 관한 것이다. 다결정 실리콘, 금속촉매
Abstract:
PURPOSE: A device for processing a substrate by heat is provided to separate and control each heater, thereby minimizing temperature spreading in a process chamber. CONSTITUTION: A plurality of substrates(10) is loaded in a boat(20). The boat is inputted into a process chamber(30). A heater chamber(50) applies heat to the process chamber. A base plate(60) supports the boat. A gas injecting hole(70) is connected to a gas supply source. A gas discharging hole(80) is connected to a vacuum pump to discharge by-products and residual gases to the outside.
Abstract:
PURPOSE: A thin film transistor and an organic light emitting display device with the same are provided to form a protective layer on an active layer to prevent an electrical property change due to damage or contamination of the active layer, thereby obtaining a stable threshold voltage property. CONSTITUTION: A gate electrode(12) is formed on a substrate. A gate insulating layer with the gate electrode is formed on the substrate. An active layer is formed on the gate insulating layer. A source electrode(20a) is formed on the active layer. A drain electrode(20b) surrounds at least three sides of the source electrode on the active layer.
Abstract:
PURPOSE: A substrate processing apparatus is provided to uniformly heat the inside of a processing chamber by installing the upper heating unit, an external heating unit and a middle part heating unit. CONSTITUTION: A substrate processing apparatus includes a processing chamber(120), a boat(110), an external heating unit(130), and a transporting unit(140). A plurality of substrates is loaded on the boat. The external heating unit is placed on the external side of the processing chamber. The transporting unit transports the boat with respect to the processing chamber and includes a lower heating unit. A middle part heating unit is placed on the center part of the boat.
Abstract:
PURPOSE: A polycrystalline silicon manufacturing is provided to improve the charge mobility of crystallized polycrystalline silicon layer by using hydrogen gas as the carrier gas during forming the amorphous silicon layer. CONSTITUTION: A buffer layer(110) is formed on a substrate(100). An amorphous silicon layer(120) is formed on the buffer layer. A capping layer(130) is formed on the amorphous silicon layer. A crystallization guiding metal layer(140) is formed by depositing the crystallization guiding metal on the capping layer.
Abstract:
PURPOSE: An organic light emitting diode display device and a manufacturing method thereof are provided to precisely control the growth of a first crystallization area by an inclination thickness part of an insulating layer pattern, thereby effectively crystallizing a part of a crystallization semiconductor layer used in one thin film transistor. CONSTITUTION: An insulating layer pattern(120) is formed on a substrate body(111). The insulating layer pattern includes a first thickness part(121) and a second thickness part(122) thinner than the first thickness part. A polycrystalline semiconductor layer(130) is formed on the insulating layer pattern. The polycrystalline semiconductor layer is classified into a first crystallization area(131) and the second crystallization area(132). The second crystallization area is crystallized into a solid phase.
Abstract:
PURPOSE: A polysilicon layer, a manufacturing method thereof, a thin film transistor using the same, and an organic light emitting display device are provided to increase the amount of on-current and to reduce leakage current by using a polysilicon layer as an active layer. CONSTITUTION: An amorphous silicon layer is formed on a buffer layer above a substrate. A catalyst metal layer is formed on the amorphous silicon layer so as to obtain the density of 1011-1015 atom/cm2. The catalytic metal of the catalyst metal layer is diffused into the amorphous silicon layer and a crystallization seed having a shape of a pyramid is formed on an interface between the amorphous silicon layer and the buffer layer. A silicon crystal is grown by the crystallization seed so as to form the polysilicon layer.
Abstract translation:目的:提供多晶硅层及其制造方法,使用其的薄膜晶体管和有机发光显示装置,以通过使用多晶硅层作为有源层来增加导通电流量并减少漏电流 。 构成:在衬底上方的缓冲层上形成非晶硅层。 在非晶硅层上形成催化剂金属层,得到1011〜1015原子/ cm 2的密度。 催化剂金属层的催化金属扩散到非晶硅层中,并且在非晶硅层和缓冲层之间的界面上形成具有金字塔形状的结晶晶种。 通过结晶晶种生长硅晶体,以形成多晶硅层。