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Semiconductor device and display device

A display device, semiconductor technology, applied in the direction of semiconductor devices, semiconductor/solid-state device manufacturing, identification devices, etc.

Inactive Publication Date: 2009-12-02
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even in such a case, the organic semiconductor thin film transistor receives potential modulation caused by the potential applied to the common electrode, and a similar problem arises

Method used

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  • Semiconductor device and display device
  • Semiconductor device and display device
  • Semiconductor device and display device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0044] According to the first embodiment, an embodiment in which the present invention is applied to an active matrix system liquid crystal device will be described.

[0045] figure 1is a schematic circuit configuration diagram for describing a configuration example of a liquid crystal display device to which the present invention is applied. As shown in this figure, a display region 1 a and a peripheral region 1 b are provided on a substrate 1 on a liquid crystal display device 40 . On the display area 1a, a plurality of scanning lines 41 and a plurality of signal lines are arranged longitudinally and laterally, and a pixel array section is constructed in which one pixel is disposed corresponding to a corresponding intersection. Further, on the peripheral area 1b, a scanning line driving circuit 45 for scanning and driving the scanning lines 41 and a signal line driving circuit 47 for supplying video signals to the signal lines 43 according to luminance information (ie, inp...

no. 2 example

[0077] Figure 4 There is shown a cross-sectional view of a pixel describing a characteristic portion of a liquid crystal display device 40b according to a second embodiment of the present invention. also, Figure 5 A plan view of four pixels on the driving substrate side of a characteristic portion of a liquid crystal display device 40b according to a second embodiment of the present invention is shown. It should be noted that a part of the plan view is cut out for the sake of description, and furthermore, illustration of a film composed of an insulating material covering the whole is omitted from the figure. In addition, a schematic circuit configuration example describing a configuration example of a liquid crystal display device can be similar to that according to the first embodiment by using figure 1 The composition described.

[0078] The liquid crystal display device 40b according to the second embodiment shown in these figures and according to the first embodiment...

no. 3 example

[0083] Image 6 There is shown a cross-sectional view of a pixel describing a characteristic portion of a liquid crystal display device 40c according to a third embodiment of the present invention. also, Figure 7 There are shown four pixel plan views on the driving substrate side describing characteristic portions of a liquid crystal display device according to a third embodiment of the present invention. It should be noted that a part of the plan view is cut away for the sake of description, and furthermore, illustration of a film made of an insulating material covering the whole is omitted from the figure. In addition, a schematic circuit configuration for describing a configuration example of a liquid crystal display device can be similar to that according to the first embodiment by using figure 1 The composition described.

[0084] According to the liquid crystal display device 40c of the third embodiment shown in these drawings and by using Figures 2 to 5 The diffe...

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PUM

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Abstract

It is possible to provide a display device using, as a drive element, a bottom gate type organic thin film transistor having a stable operation characteristic not affected by an electrode arranged on the upper layer of the film, thereby enabling a reliable display. The display device includes: a bottom gate type thin film transistor (Tr) arranged on a substrate (1); and a pixel electrode (a) arranged on the thin film transistor (Tr) via a protection film (11) and an inter-layer insulating film (15). A conductive shield layer (13a) is arranged between the thin film transistor (Tr) and the pixel electrode (a) while assuring insulation between them.

Description

technical field [0001] The present invention relates to a semiconductor device and a display device, and more particularly, to a semiconductor device using an organic semiconductor thin film, and a display device using the semiconductor device. Background technique [0002] Thin film transistors (thin film transistors: TFTs) are widely used as switching elements of pixel electrodes in active matrix driven flat panel display devices. Among such thin film transistors, an organic semiconductor thin film transistor using an organic semiconductor thin film for a channel layer enables coating film formation (organic semiconductor thin film) of the channel layer without using a vacuum processing device. For this reason, compared with inorganic thin film transistors using silicon thin films for channel layers, the advantage is low-cost implementation. [0003] In the above display device, the drive substrate on which the organic semiconductor thin film transistor is provided is con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L29/786G02F1/1368G09F9/30H01L51/05
CPCH01L51/0545H01L27/3274H01L27/3272G02F2202/02G02F2001/136218H01L27/283G02F1/1368G02F1/136218H10K19/10H10K59/125H10K59/126H10K10/466G02F1/136209
Inventor 八木巖汤本昭
Owner SONY CORP