Organic thin film transistor, flat display device including the same, and method of manufacturing the organic thin film transistor
An organic thin film and transistor technology, applied in the field of organic thin film transistors, can solve the problems of low mobility and on/off ratio
Active Publication Date: 2009-12-23
SAMSUNG DISPLAY CO LTD
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- Abstract
- Description
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- Application Information
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Problems solved by technology
[0009] Also, the organic thin film transistor has disadvantages in that its mobility and on / off ratio are low due to the very high resistance of the organic semiconductor material, and if the gate electrode does not provide the organic semiconductor material with a sufficient channel, current does not flow between the source and drain electrodes
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Embodiment Construction
[0073] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings.
[0074] figure 1 is a cross-sectional view of an organic thin film transistor according to an exemplary embodiment of the present invention. refer to figure 1 , the organic thin film transistor is formed on the substrate 10 . The substrate 10 may be formed of glass material, plastic material, or metal. An insulating film (not shown) may also be interposed between the organic thin film transistor and the metal substrate.
[0075] The organic thin film transistor includes a gate electrode 11 formed on a substrate 10 and a gate insulating film 12 formed on the gate electrode 11 . Such as figure 1 As shown, in one embodiment, a gate insulating film 12 is formed on the entire surface of the substrate 10 to cover the gate electrode 11 . In another embodiment, various changes may be made in the gate insulating film 12 , for example, it may be patterned ...
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The invention discloses an organic thin film transistor, a flat panel display including the organic thin film transistor and a manufacturing method of the organic thin film transistor. In one embodiment, an organic thin film transistor includes: i) a substrate, ii) a gate electrode disposed on the substrate, iii) a gate insulating film disposed on the gate electrode, iv) separated from each other and disposed on the gate insulating film The source electrode and the drain electrode on the top, v) connecting the source electrode and the drain electrode and having an organic semiconductor layer for distinguishing from the edge of the adjacent organic thin film transistor, and vi) covering the organic semiconductor layer, the connection is arranged on the organic A portion of the layer in or below the semiconductor layer and exposed to the outer cantilever layer of the edge of the organic semiconductor layer. According to an embodiment, it is possible to easily obtain a patterning effect of an organic semiconductor layer and improve performance such as an on / off ratio.
Description
[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Applications No. 10-2005-0022945 and No. 10-2005-0023841 filed with the Korean Intellectual Property Office on March 19 and 22, 2005, respectively, the entire disclosures of which are hereby incorporated by reference . technical field [0003] The invention relates to an organic thin film transistor, a flat panel display including the organic thin film transistor and a manufacturing method of the organic thin film transistor. More particularly, the present invention relates to an organic thin film transistor that can easily obtain a patterning effect of an organic semiconductor layer and improve performance such as an on / off ratio, a flat panel display including the organic thin film transistor, and a method of manufacturing the organic thin film transistor. Background technique [0004] Flat panel displays such as liquid crystal displays (LCD) or electroluminescent...
Claims
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IPC IPC(8): H01L51/05H01L51/40H01L27/28H01L27/32
CPCH10K71/12H10K10/462H10K10/88H10K10/466
Inventor 金成珍具在本徐旼彻
Owner SAMSUNG DISPLAY CO LTD