KR20090131903A - Transistor and flexible organic light emitting display therewith - Google Patents

Abstract

PURPOSE: A transistor and a flexible organic light emitting display with the same are provided to form a hole on a metal line and an insulating film, thereby facilitating bending of the flexible organic light emitting display. CONSTITUTION: A plurality of holes are formed in a data line. A plurality of holes are formed in a scanning line. A pixel is electrically connected to the data line and scanning line. A scanning signal is applied in the scanning line. The pixel is selected by the scanning signal. A data signal is applied in the data line. The pixel emits light according to brightness according to the data signal.

Description

A transistor and a flexible organic electroluminescent display including the same {TRANSISTOR AND FLEXIBLE ORGANIC LIGHT EMITTING DISPLAY THEREWITH}

The present invention relates to a flexible organic light emitting display device, and more particularly, to form a hole in a metal wiring and an insulating film to facilitate bending of the flexible organic light emitting display device, and to break or break an insulating film or a wiring pattern when it is bent or folded. The present invention relates to a flexible organic light emitting display device which can prevent breakage.

In general, a thin film transistor is a semiconductor device which forms a channel region through which holes or electrons can flow by doping p-type or n-type impurities in a source region and a drain region and applying a predetermined voltage to a gate electrode. to be.

 Such thin film transistors are widely used as switching elements or driving elements of various flat panel display devices such as an active matrix liquid crystal display device and an organic light emitting display device.

Recently, as various types of flat panel display devices have increased in demand, flexible diplays that are not damaged even when the display device is folded or rolled up have been actively developed.

In order to implement such a flexible display device, not only a substrate but also a wiring pattern and a thin film transistor formed on the substrate must have a flexible property, and have a high mechanical strength to be mechanically stable even when the display device is bent or folded. .

However, in the present flexible display device, the wiring pattern and the thin film transistor are composed of a metal wiring or an insulating film component. Since the metal wiring or insulating film is inferior in flexibility, the flexibility required for the flexible display device even though it is manufactured to be ultra thin There is a limit.

SUMMARY OF THE INVENTION The present invention is to overcome the above-described problems, and an object of the present invention is to form a hole in a metal wiring and an insulating layer so that the flexible organic electroluminescent display can be easily bent, and the wiring pattern is broken when bent or folded. It is an object of the present invention to provide a flexible organic light emitting display that can prevent an insulating film from being broken.

In order to achieve the above object, the flexible organic light emitting display device according to the present invention includes a data line having a plurality of holes, a scanning line having a plurality of holes, and an electrical connection between the data line and the scanning line and applied from the scanning line. The display device may include a pixel selected by a scan signal and emitting light at a brightness according to a data signal applied from the data line.

The display device may further include a first power supply voltage line supplying a first power supply voltage to the pixel and having a plurality of holes.

The second power supply voltage may be supplied to the pixel, and the second power supply voltage line may further include a plurality of holes.

The pixel includes a switching transistor having a first electrode electrically connected to the data line, a control electrode electrically connected to the scan line, a capacitive element electrically connected between the switching transistor and the first power supply voltage line, and the capacitance. A control electrode is electrically connected between the element and the second electrode of the switching transistor, and the driving transistor is electrically connected to the first power voltage line and between the second electrode of the driving transistor and the second power voltage line. It may include an electrically connected organic electroluminescent device.

The driving transistor corresponds to the control electrode, and includes a gate electrode for determining whether to operate the transistor according to a signal formed on a substrate, a gate insulating film covering the upper portion of the gate electrode, and the first electrode; A corresponding data electrode formed on the gate insulating film and electrically connected to the first power supply voltage line, and a source electrode corresponding to the second electrode and formed on the gate insulating film and electrically connected to the organic electroluminescent device. It may include an electrode.

Nano data may be connected between the data electrode and the source electrode.

A plurality of holes may be formed in the data electrode, the source electrode, and the gate electrode.

A plurality of holes may be formed in the gate insulating layer.

A gate electrode formed on the substrate, the gate electrode having a plurality of holes formed thereon, a gate insulating film formed to cover the substrate having an outer circumference formed thereon, and the gate electrode formed on the substrate; And a data electrode having a plurality of holes formed therein, and a source electrode formed to cover the other side of the upper portion of the gate insulating layer and connected to the data electrode with nanowires and having a plurality of holes formed therein.

As described above, the flexible organic light emitting display device according to the present invention forms holes in the metal wiring and the insulating film to facilitate the bending of the flexible organic light emitting display device, and when the bending or folding occurs, the wiring pattern is broken or the insulating film is It can be prevented from breaking.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

Here, the same reference numerals are attached to parts having similar configurations and operations throughout the specification. In addition, when a part is electrically coupled to another part, this includes not only a case in which the part is directly connected, but also a case in which another part is connected in between.

Referring to FIG. 1, a configuration of a flexible organic light emitting display device according to the present invention is shown as a block diagram.

As illustrated in FIG. 1, the flexible organic electroluminescent display 10 may include a scan driver 100, a data driver 200, and an organic electroluminescent display panel (hereinafter, the panel 300).

The scan driver 100 may sequentially supply a scan signal to the panel 300 through a plurality of scan lines Scan [1], Scan [2],..., Scan [n].

The data driver 200 may supply a data signal to the panel 300 through a plurality of data lines Data [1], Data [2], ..., Data [m].

In addition, the panel 300 includes a plurality of scan lines Scan [1], Scan [2],..., Scan [n] arranged in a row direction, and a plurality of data lines Data [1] arranged in a column direction. , Data [2], ..., Data [m] and the plurality of scan lines Scan [1], Scan [2], ..., Scan [n] and the plurality of data lines Data [1], Data [ 2], ..., Data [m]) may include a pixel circuit 310 (Pixel).

The plurality of scan lines Scan [1], Scan [2],..., Scan [n] are arranged at a predetermined distance apart in the row direction, and the pixel circuits 310 arranged in the row direction have the same scan line Scan [1]. ], Scan [2], ..., Scan [n]). The data lines Data [1], Data [2], ..., Data [m] are arranged at a predetermined distance apart in the column direction, and the pixel circuits 310 arranged in the column direction have the same data line. (Data [1], Data [2], ..., Data [m]).

The pixel circuit 310 may be formed in a pixel area defined by two neighboring scan lines and two neighboring data lines. Of course, as described above, a scan signal may be supplied from the scan driver 100 to the scan lines Scan [1], Scan [2], ..., Scan [n], and the data lines Data [1]. ], Data [2], ..., Data [m]) may be supplied with a data signal from the data driver 200.

Referring to FIG. 2, a circuit diagram of a pixel circuit of the flexible organic light emitting display device of FIG. 1 is illustrated.

As illustrated in FIG. 2, the pixel circuit 310 of the flexible organic light emitting display device 10 according to the present invention includes a scan line, a data line, a first power voltage line VDD, and a second power source. The voltage line VSS includes a switching transistor T1, a capacitive element Cst, a driving transistor T2, and an organic light emitting element OLED.

The scan line Scan serves to supply a scan signal for selecting the organic light emitting diode OLED to emit light to the control electrode of the switching transistor T1. Of course, the scan line Scan may be electrically connected to the scan driver 100 (see FIG. 1) that generates the scan signal.

The data line Data supplies a data signal proportional to light emission luminance to the first electrode of the capacitive element Cst and the control electrode of the driving transistor T2. Of course, the data line Data may be electrically connected to the data driver 200 (see FIG. 1) that generates the data signal.

The first power voltage line VDD causes a first power voltage to be supplied to the organic light emitting diode OLED through the driving transistor T2.

The second power supply voltage line VSS allows a second power supply voltage to be supplied to the organic light emitting diode OLED.

In the switching transistor T1, a first electrode (a drain electrode or a source electrode) is electrically connected to the data line Data, and a second electrode (a source electrode or a drain electrode) is a control electrode of the driving transistor T2 ( Gate electrode), and a control electrode may be electrically connected to the scan line Scan. When the switching transistor S1 is turned on, the switching transistor S1 supplies a data signal to the first electrode of the capacitive element Cst and the control electrode of the driving transistor T2.

In the capacitive element Cst, a first electrode is electrically connected between the second electrode of the switching transistor T1 and the control electrode of the driving transistor T2, and the second electrode is formed of the first electrode of the driving transistor T2. The first electrode may be electrically connected between the first power voltage line VDD. The capacitive element Cst stores a voltage corresponding to a difference between voltages applied to the first electrode and the second electrode.

In the driving transistor T2, a first electrode is electrically connected between the first power voltage line VDD and a second electrode of the capacitive element Cst, and the second electrode of the driving transistor T2 is connected to the OLED. It may be electrically connected to the anode, and a control electrode may be electrically connected to the second electrode of the switching transistor T1. When the data transistor is applied to the control electrode through the switching transistor T1 when the switching transistor T1 is turned on, the driving transistor T2 emits a predetermined amount of current from the first power supply voltage line VDD. Supply to the device (OLED) side. Of course, the data signal is supplied to the first electrode of the capacitive element Cst, and the capacitive element Cst is charged at a difference value between the data signal and the first power voltage. Even when the first switching device S1 is turned off, the capacitive element Cst continues to receive a data signal to the control electrode of the driving transistor T2 by the charging voltage of the capacitive element Cst for a predetermined time. Can be applied.

In the organic light emitting diode OLED, an anode is electrically connected to the second electrode of the driving transistor T2, and a cathode is electrically connected to the second power voltage line VSS. The organic light emitting diode OLED emits light with a predetermined brightness by a current controlled through the driving transistor T2. The organic light emitting diode OLED may include an emission layer EML, and the emission layer EML may be any one selected from a fluorescent material, a phosphorescent material, a mixture thereof, and an equivalent thereof. However, the material or type of the emission layer EML is not limited thereto. In addition, the light emitting layer EML may be any one selected from a red light emitting material, a green light emitting material, a blue light emitting material, a mixture thereof, and an equivalent thereof, but is not limited thereto.

Referring to FIG. 3A, a plan view according to an exemplary embodiment of the configuration of the pixel circuit of FIG. 1 is illustrated. Referring to FIG. 3B, a cross-sectional view of FIGS. 3B and 3B of FIG. 3A is illustrated. The top view after the light emitting layer and the cathode of the organic electroluminescent device is formed is shown.

As shown in FIGS. 3A to 3C, the pixel circuit 310 includes a scan line, a data line, a first power voltage line VDD, a second power voltage line VSS, and a switching transistor T1. , A capacitive element Cst, a driving transistor T2, and an organic electroluminescent element OLED. The connection relationship between the components of the pixel circuit 310 is the same as the circuit diagram of the pixel circuit 310 of FIG. 2. In the present invention, the pixel circuit 310 may further include a switching transistor, a capacitive element, a driving transistor, and the like for improving the characteristics of the pixel circuit 310.

The scan line Scan sequentially applies a scan signal to the pixel circuit 310 arranged in a plurality of rows. The scan line Scan is electrically connected to the control electrode of the switching transistor T1 of the pixel circuit 310 to apply a scan signal to the switching transistor T1. The scan lines Scan are spaced apart in the arranged longitudinal direction so that a plurality of holes are arranged. A plurality of holes may be formed in the scan line to be spaced apart from each other so that the flexible organic electroluminescent display 10 may be more easily warped. In addition, the scan line is made of a metal wiring material to have electrical characteristics, thereby forming a hole to prevent a cracking phenomenon generated when the substrate is bent. The diameter of the plurality of holes should be smaller than the wiring width of the scan line Scan. If the diameter of the hole is larger than that of the scan line, the scan line may be disconnected. Although the plurality of holes formed in the scan line Scan are illustrated as circular in FIGS. 3A and 3C, they may be formed in various shapes such as polygons, ellipses, and the like.

The data line Data is sequentially lowered to the pixel circuit 310 arranged in a plurality of columns. The data line Data is applied to the first electrode of the switching transistor T1 of the pixel circuit 310. It is electrically connected to apply a data signal to the driving transistor T2 and the capacitive element Cst through the switching transistor T1. The data lines Data are spaced apart in the arranged longitudinal direction so that a plurality of holes are arranged. A plurality of holes may be formed in the data line Data to be spaced apart from each other so that the flexible organic electroluminescent display 10 may be more easily warped. In addition, the data line Data is made of a metal wiring material to have electrical characteristics, thereby forming a hole to prevent a cracking phenomenon generated when the substrate is bent. The diameter of the plurality of holes should be smaller than the wiring width of the data line Data. If the diameter of the hole is larger than the data line Data, the data line Data may be disconnected. A hole is not formed in an area where the data line Data arranged in the column direction and the scan line Scan arranged in the row direction cross each other. When holes are formed in the intersection area between the scan line Scan and the data line Data, the wirings may be shorted, and therefore, not formed. Although the plurality of holes formed in the data line Data are illustrated as circular in FIGS. 3A and 3C, they may be formed in various shapes such as polygons, ellipses, and the like.

The first power supply voltage line VDD applies a first power source to the first electrode of the driving transistor T2 of the pixel circuit 310. The first power voltage line VDD may be arranged in a row direction to be connected to n × m pixel circuits arranged in the organic light emitting display panel 300 (refer to FIG. 1). The first power voltage line VDD is spaced apart in the arranged longitudinal direction, and a plurality of holes are formed. A plurality of holes may be formed in the first power voltage line VDD to be spaced apart from each other, so that the flexible organic electroluminescent display 10 may bend the device more easily. The first power voltage line VDD is formed of a metal wiring material to have electrical characteristics, thereby forming a hole to prevent a cracking phenomenon generated when the substrate is bent. The first power supply voltage line VDD does not form a hole in an intersection area between the scan line Scan and the data line Data. However, when the hole is formed, the hole may not be formed because the wiring may be shorted. desirable. Although the plurality of holes formed in the first power voltage line VDD are circular in FIGS. 3A and 3C, they may be formed in various shapes such as polygons and ellipses, and the present invention is not limited to circular shapes.

The second power supply voltage line VSS applies a second voltage to the cathode of the organic light emitting diode of the pixel circuit 310. The second power voltage line VSS may be arranged in a row direction and a column direction so as to be connected to n ㅧ m pixel circuits arranged in the organic light emitting display panel 300 (see FIG. 1). The second power supply voltage lines VSS are spaced apart in the arranged longitudinal direction, and a plurality of holes are formed. A plurality of holes may be formed in the second power voltage line VSS to be spaced apart from each other, so that the flexible organic electroluminescent display 10 may bend the device more easily. The second power supply voltage line VSS is formed of a metal wiring material to have electrical characteristics, thereby forming a hole to prevent a cracking phenomenon generated when the substrate is bent. The second power voltage line VSS does not form a hole in an intersection area between the scan line Scan, the data line Data, and the first power voltage line VDD. When the hole is formed, each wire may be shorted. It is preferable not to form a hole because there is. Although the plurality of holes formed in the second power voltage line VSS are illustrated as circular in FIG. 3C, they may be formed in various shapes such as polygons, ellipses, and the like.

The switching transistor T1 may include a gate electrode, a gate insulating film, a drain electrode, and a source electrode formed on a substrate. The configuration of the switching transistor T1 is the same as that of the driving transistor T2, and will be described in detail in the configuration of the driving transistor T2 shown in the sectional view in FIG. 3B.

In the capacitive element Cst, a first electrode and a second electrode may be sequentially formed on a substrate 311, and an insulating layer may be formed between the first electrode and the second electrode.

The driving transistor T2 includes a substrate 311, a gate electrode 312 as a control electrode, a gate insulating layer 313, a source electrode 314 as a first electrode, and a drain electrode 315 as a second electrode. For example, the driving transistor T2 may be formed in the shape of a transistor in which a gate is positioned above.

The gate electrode 312 may be formed by depositing a gate electrode forming material on the substrate 311 and then patterning the gate electrode forming material.

The gate insulating layer 313 is formed to cover all of the gate electrodes 312. The gate insulating layer 313 may be formed to cover a portion of the substrate 311 at the outer circumference of the gate electrode 312 and the gate electrode 312. The gate insulating layer 313 may form an insulating film such as an oxide film or a nitride film in a single layer or a plurality of layers.

The source electrode 314 is formed to cover one side of the upper portion of the gate insulating layer 313. The source electrode 314 is formed to be electrically connected to the first power voltage line VDD.

The drain electrode 315 is formed on the other side of the upper portion of the gate insulating layer 313 to correspond to the source electrode 314 formed on one side of the gate insulating layer 313. The drain electrode 315 is formed to be electrically connected to an anode of the organic light emitting diode OLED. The drain electrode 315 is electrically connected to the source electrode 314 and the nanowire 316. The nanowire 316 operates as a channel region between the drain electrode 315 and the source electrode 314.

The organic light emitting diode OLED has a structure of an anode, an organic thin film, and a cathode, which are transparent electrodes. The organic thin film has a multilayer structure including an emission layer (EML), an electron transport layer (ETL), and a hole transport layer (HTL) to improve the light emission efficiency by improving the balance between electrons and holes. It may also comprise a separate electron injecting layer (EIL) and a hole injecting layer (HIL) layer.

The pixel circuit 310 is flexible because the plurality of holes are arranged at regular intervals in the longitudinal direction of the scan line Scan, the data line Data, the first power voltage line VDD, and the second power voltage line VSS. The warpage of the electroluminescent display 10 may be easier. In addition, the pixel circuit 310 may form a hole in the metal wiring material to have electrical characteristics, thereby preventing a cracking phenomenon generated when the substrate is bent.

Referring to FIG. 4A, a plan view according to another exemplary embodiment of the configuration of the pixel circuit of FIG. 1 is illustrated, and referring to FIG. 4B, a cross-sectional view of 4b-4b of FIG. 4A is illustrated.

As shown in FIGS. 4A to 4B, the pixel circuit 410 includes a scan line, a data line, a first power voltage line VDD, a second power voltage line VSS, and a switching transistor T1. , A capacitive element Cst, a driving transistor T2, and an organic electroluminescent element OLED. The connection relationship between each component of the pixel circuit 410 is the same as that of FIG. 2. The pixel circuit 410 is the same as the pixel circuit 310 illustrated in FIGS. 3A to 3C except for the switching transistor T1 and the driving transistor T2. Hereinafter, a description will be given of parts different from the pixel circuit 310 illustrated in FIGS. 3A to 3C.

The switching transistor T1 includes a substrate 311, a gate electrode 412, a gate insulating layer 413, a source electrode 414, and a drain electrode 415. The configuration of the switching transistor T1 may be, for example, formed in the shape of a transistor in which a gate is located above, and the shape of the switching transistor T1 is not limited thereto.

The gate electrode 412 may be formed by depositing and patterning a gate electrode forming material on the substrate 311. In this case, a plurality of holes are formed in the gate electrode 312. A plurality of holes may be formed in the gate electrode 412 to be spaced apart from each other, so that the bending of the switching transistor T1 may be easier. Although the plurality of holes formed in the gate electrode 412 are illustrated in a circular shape in FIG. 4A, the holes may be formed in various shapes such as polygons, ellipses, and the like.

The gate insulating layer 413 is formed to cover all of the gate electrodes 412. The gate insulating layer 413 may be formed to cover part of the gate electrode 412 and the substrate 411 on the outer circumference of the gate electrode 412. The gate insulating film 413 may be formed of an insulating film such as an oxide film or a nitride film in a single layer or a plurality of layers. A plurality of holes are formed in the gate insulating film 413. A plurality of holes may be formed in the gate insulating layer 413 so as to be spaced apart from each other, and thus the bending of the switching transistor T1 may be easier. In this case, a hole is not formed in the gate insulating layer 413 formed on the gate electrode 412. When the hole is formed, the source electrode 414 and the drain electrode 415 formed on the gate insulating layer 412 are formed. It is preferable not to form a hole in order to prevent short circuit. Although the plurality of holes formed in the gate insulating layer 413 are illustrated as circular in FIG. 4A, the holes may be formed in various shapes such as polygons, ellipses, and the like.

The source electrode 414 is formed to cover one side of the upper portion of the gate insulating layer 313. A plurality of holes are formed in the source electrode 414. A plurality of holes may be formed in the source electrode 44 to be spaced apart from each other, so that the bending of the switching transistor T1 may be easier. Although the plurality of holes formed in the source electrode 414 are shown in a circular shape in FIG. 4A, they may be formed in various shapes such as polygons, ellipses, and the like.

The drain electrode 415 is formed on the other side of the gate insulating layer 413 so as to correspond to the source electrode 414 formed on one side of the gate insulating layer 413. The drain electrode 415 is electrically connected to the source electrode 414 and the nanowire 416. The nanowire 416 operates as a channel region between the drain electrode 415 and the source electrode 314. A plurality of holes are formed in the drain electrode 415. A plurality of holes may be formed in the drain electrode 415 so as to be spaced apart from each other, and thus the bending of the switching transistor T1 may be easier. Although the plurality of holes formed in the drain electrode 415 are illustrated as circular in FIG. 4A, the holes may be formed in various shapes such as polygons, ellipses, and the like.

The switching transistor T1 may further include a buffer layer (not shown), an interlayer insulating film (not shown), and a passivation layer (not shown), and the buffer layer (not shown), an interlayer insulating film (not shown), and a passivation layer. A plurality of holes may be formed in the switching transistor T1 to facilitate bending of the switching transistor T1.

Since the driving transistor T2 may include the same components as the switching transistor T1, the description of the configuration of the driving transistor T2 will be omitted.

The pixel circuit 410 includes a scan line, a data line, a first power supply voltage line VDD, a second power supply voltage line VSS, and a gate that is a component of the switching transistor T1 and the driving transistor T2. Since a plurality of holes are arranged at regular intervals in the longitudinal direction on the electrode, the gate insulating layer, the source electrode, and the drain electrode, the flexible organic electroluminescence display 10 may be more easily bent. In addition, the pixel circuit 310 may easily prevent a cracking phenomenon generated when the substrate is bent by forming holes in the insulating film or the protective film, which is a metal wiring material and an inorganic material, to have electrical characteristics.

What has been described above is just one embodiment for implementing the flexible organic electroluminescent display device according to the present invention, and the present invention is not limited to the above-described embodiment, as claimed in the following claims. Without departing from the gist of the invention, anyone of ordinary skill in the art to which the present invention will have the technical spirit of the present invention to the extent that various modifications can be made.

1 is a block diagram of an organic light emitting display device according to an exemplary embodiment of the present invention.

FIG. 2 is a circuit diagram of a pixel circuit of the organic light emitting display device of FIG. 1.

3A to 3C are plan views and cross-sectional views according to an exemplary embodiment of the configuration of the pixel circuit of FIG. 1.

4A to 4B are plan views and cross-sectional views according to another exemplary embodiment of the configuration of the pixel circuit of FIG. 1.

<Description of Symbols for Main Parts of Drawings>

10; Organic electroluminescent display

100; Scan driver 200; Data driver

300; An organic electroluminescent display panel 310; Pixel circuit

Data; Data line Scan; scanning line

VDD; A first power supply voltage line VSS; Second power supply voltage line

T1; Switching transistor T2; Driving transistor

Claims (11)

A data line in which a plurality of holes are formed; A scan line in which a plurality of holes are formed; And Flexible organic electroluminescence comprising a pixel electrically connected to the data line and the scan line and selected by a scan signal applied from the scan line and emitting light at a brightness according to the data signal applied from the data line. Display device. The method of claim 1, And a first power supply voltage line for supplying a first power supply voltage to the pixel and having a plurality of holes. The method of claim 2, And a second power supply voltage line supplying a second power supply voltage to the pixel and having a plurality of holes. The method of claim 3, wherein The pixel is A switching transistor having a first electrode electrically connected to the data line, and a control electrode electrically connected to the scan line; A capacitive element electrically connected between the switching transistor and the first power voltage line; A driving transistor electrically connected between the capacitive element and the second electrode of the switching transistor and a first electrode electrically connected to the first power voltage line; And And an organic electroluminescent element electrically connected between the second electrode of the driving transistor and the second power supply voltage line. The method of claim 4, wherein The driving transistor A gate electrode corresponding to the control electrode and determining whether to operate the transistor according to a signal applied and formed on a substrate; A gate insulating film formed to cover all of the upper portions of the gate electrodes; A data electrode corresponding to the first electrode and formed on the gate insulating layer and electrically connected to the first power voltage line; And And a source electrode corresponding to the second electrode and formed on the gate insulating layer and electrically connected to the organic electroluminescent element. The method of claim 5, wherein The organic light emitting display device of claim 1, wherein the data electrode and the source electrode are connected by nanowires. The method of claim 5, wherein And a plurality of holes formed in the data electrode, the source electrode and the gate electrode. The method of claim 5, wherein And a plurality of holes are formed in the gate insulating layer. A gate electrode formed on the substrate and having a plurality of holes formed therein; A gate insulating layer formed to cover an upper portion of the gate electrode and an outer circumferential substrate on which the gate electrode is formed; A data electrode formed to cover one side of an upper portion of the gate insulating layer, and having a plurality of holes; And And a source electrode formed to cover the other side of the upper portion of the gate insulating layer, and including a source electrode connected to the data electrode and nanowires and having a plurality of holes. The method of claim 9, And a plurality of holes are formed in the gate insulating film. A flexible organic electroluminescent display comprising the flexible transistor of any one of claims 9 to 10.

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