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Thin Film Transistor Array Panel

A technology of thin film transistors and array panels, which is applied in the field of thin film transistor array panels and its manufacturing, can solve problems such as thin film transistor degradation, and achieve the effect of preventing degradation

Active Publication Date: 2019-03-12
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, thin film transistors degrade

Method used

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  • Thin Film Transistor Array Panel
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  • Thin Film Transistor Array Panel

Examples

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Embodiment Construction

[0024] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of various exemplary embodiments. It is evident, however, that the various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. In other instances, well-known structures and devices are shown in block diagram form in order to avoid unnecessarily obscuring the various exemplary embodiments.

[0025] In the drawings, the size and relative sizes of layers, films, panels, regions, etc., may be exaggerated for clarity and descriptive purposes. Furthermore, the same reference numerals denote the same elements.

[0026] When an element or layer is referred to as being "on," "connected to," or "coupled to" another element or layer, it can be directly on, directly on, or directly on the other element or layer. connected or coupled to another element or layer, or intervening ...

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Abstract

A thin film transistor array panel includes: a gate electrode disposed on a substrate, an insulating layer disposed on the gate electrode, an oxide semiconductor disposed on the gate insulating layer, source electrode overlapping a portion of the oxide semiconductor, a drain electrode overlapping another portion of the oxide semiconductor; and a buffer layer disposed between the oxide semiconductor and the source electrode and between the oxide semiconductor and the drain electrode. The buffer layer comprises tin as a doping material. A weight percent of the doping material is greater than approximately 0% and less than or equal to approximately 20%.

Description

technical field [0001] Exemplary embodiments relate to display technologies, and more particularly, to a thin film transistor array panel and a method of manufacturing the same. Background technique [0002] A conventional liquid crystal display generally includes two display panels having electrodes and a liquid crystal layer disposed between the two display panels. In this way, a voltage can be applied to the electrodes to rearrange the liquid crystal molecules of the liquid crystal layer to control the amount of light transmitted through the liquid crystal layer, thereby facilitating the display of images. [0003] A thin film transistor (TFT) array panel is generally used as one of two display panels employed in a liquid crystal display. To this end, a TFT array panel can be used as a circuit board to independently drive each pixel in a liquid crystal display. It should be understood that the TFT array panel can be combined with various flat panel displays such as liqu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/12H01L29/786H01L21/77G02F1/136
CPCH01L27/1225H01L27/1288H01L29/7869H01L29/45H01L29/78606
Inventor 金建熙朴辰玹李京垣安秉斗林志勋林俊亨
Owner SAMSUNG DISPLAY CO LTD
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