PIXEL STRUCTURE OF ACTIVE MATRIX ORGANIC LIGHT EMITTING DISPLAY AND FABRICATION METHOD THEREOF
First Claim
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1. A fabrication method for a pixel structure of active matrix organic light emitting display (AMOLED), comprising:
- (a) forming an organic light emitting diode (OLED) on a substrate, comprising a transparent electrode, an organic emitting layer and a reflective electrode, wherein the organic emitting layer is disposed between the transparent electrode and the reflective electrode; and
(b) forming at least one switching thin film transistor (switching TFT), at least one driving thin film transistor (driving TFT), a scan line, a data line and a storage capacitor over the substrate, wherein the switching TFT comprises a first gate, a first source and a first drain, and the first gate is coupled to the scan line, and the first source is coupled to the data line, wherein the driving TFT comprising a second gate, a second source and a second drain, and the second gate is coupled to the first drain, and wherein the storage capacitor is electrically connected to the first drain and the second gate, and the second drain is coupled to the reflective electrode.
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Abstract
A pixel structure of active matrix organic light emitting display and method for fabricating the same are provided. In the method, a transparent electrode, an organic light emitting diode, and a reflective electrode are formed on a substrate. Subsequently, at least one switching thin film transistor, at least one driving thin film transistor, a scan line, a data line, and a storage capacitor are formed over the substrate.
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21 Claims
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1. A fabrication method for a pixel structure of active matrix organic light emitting display (AMOLED), comprising:
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(a) forming an organic light emitting diode (OLED) on a substrate, comprising a transparent electrode, an organic emitting layer and a reflective electrode, wherein the organic emitting layer is disposed between the transparent electrode and the reflective electrode; and (b) forming at least one switching thin film transistor (switching TFT), at least one driving thin film transistor (driving TFT), a scan line, a data line and a storage capacitor over the substrate, wherein the switching TFT comprises a first gate, a first source and a first drain, and the first gate is coupled to the scan line, and the first source is coupled to the data line, wherein the driving TFT comprising a second gate, a second source and a second drain, and the second gate is coupled to the first drain, and wherein the storage capacitor is electrically connected to the first drain and the second gate, and the second drain is coupled to the reflective electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A pixel structure of an active matrix organic light emitting display, comprising:
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a substrate; an organic light emitting diode disposed on the substrate, comprising; a transparent electrode; an organic emitting layer; and a reflective electrode, wherein the transparent electrode is disposed between the substrate and the organic emitting layer and the organic emitting layer is disposed between the transparent electrode and the reflective electrode; a scan line disposed above the organic light emitting diode; a data line disposed above the organic light emitting diode; at least a switching TFT disposed above the organic light emitting diode, comprising a first gate, a first source and a first drain, wherein the first gate is coupled to the scan line and the first source is coupled to the data line; at least one driving TFT disposed above the organic light emitting diode and comprising a second gate, a second source, a second drain, wherein the second gate is coupled to the first drain and the second drain is coupled to the reflective electrode; and a storage capacitor disposed above the organic light emitting diode and electrically connected to the first drain and the second gate. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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Specification