KR20070063374A - Drive package for organic light emitting diode display and organic light emitting diode display including the same - Google Patents

Abstract

A driving package for an organic light emitting diode display and an organic light emitting diode display having the same are provided to supply a common voltage, a driving voltage, a data voltage and a gate voltage smoothly through the driving package. A driving package for an organic light emitting diode display includes a base film(31), a driving circuit chip(33), a first signal line(34), a second signal line(35), and a protection film. The driving circuit chip(33) is installed on a central region of the base film(31). The first signal line(34) is connected to the driving circuit chip(33) on the central region of the base film(31). The second signal line(35) is formed on first and second circumference regions of the base film(31). The protection film covers the first and second signal lines(34,35). The first and second circumference regions have a larger width than 3mm. A resistor of the second signal line(35) is smaller than a resistor of the first signal line(34).

Description

DRIVE PACKAGE FOR ORGANIC LIGHT EMITTING DIODE DISPLAY AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME}

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

2 is an equivalent circuit diagram of one pixel of an organic light emitting diode display according to an exemplary embodiment of the present invention.

3 is a cross-sectional view showing an example of a cross section of a driving transistor and an organic light emitting diode of one pixel of the organic light emitting diode display shown in FIG. 2;

4 is a schematic diagram of an organic light emitting diode of an organic light emitting diode display according to an exemplary embodiment of the present invention.

5 is a plan view illustrating an organic light emitting diode display according to an exemplary embodiment of the present invention.

6 is a plan view illustrating a drive package according to an embodiment of the present invention.

7 and 8 are cross-sectional views of the driving package of FIG. 6 taken along the lines VIII-VIII and VIII-VIII, respectively.

9 is a plan view showing a drive package according to another embodiment of the present invention.

FIG. 10 is a cross-sectional view of the driving package of FIG. 9 taken along the line VIII-VIII. FIG.

The present invention relates to a driving package for an organic light emitting display device and an organic light emitting display device including the same.

In recent years, with the reduction in weight and thickness of personal computers and televisions, display devices are also required to be lighter and thinner, and cathode ray tubes (CRTs) are being replaced by flat panel displays.

Such flat panel displays include liquid crystal displays (LCDs), field emission displays (FEDs), organic light emitting diode displays, and plasma display panels (PDPs). Etc.

Generally, in an active flat panel display, a plurality of pixels are arranged in a matrix form, and an image is displayed by controlling the light intensity of each pixel according to given luminance information. Among these, an organic light emitting display is a display device that displays an image by electrically exciting an fluorescent organic material. The organic light emitting diode display is a self-emission type, has a low power consumption, a wide viewing angle, and a fast response time of pixels. It is easy.

The organic light emitting diode display includes an organic light emitting diode (OLED) and a thin film transistor (TFT) driving the organic light emitting diode (OLED). The driving transistor is classified into a polysilicon thin film transistor and an amorphous silicon thin film transistor according to the type of the active layer.

As the size of the organic light emitting diode display increases, the current consumed to express the same brightness increases, and thus the amount of current that can be supplied becomes an important factor in determining the uniformity of the display. However, in the large display panel, it is not easy to supply a large current by using the edge portion having a limited width.

Accordingly, an object of the present invention is to provide an organic light emitting display device that can apply more current effectively using a limited space and can proceed with a simple process at low cost.

The driving package for the organic light emitting display device of the present invention for solving the technical problem is a drive package for an organic light emitting display device including a center region and the first and second peripheral regions facing each other with a base. A film, a driving circuit chip mounted on the center region of the base film, a first signal line connected to the driving circuit chip on the center region of the base film, and formed in the first and second peripheral regions of the base film, respectively; And a protective film covering the second signal line and the first and second signal lines, wherein each of the first and second peripheral regions has a width of 3 mm or more.

The resistance of the second signal line may be smaller than the resistance of the first signal line.

The protective film may be patterned in parallel with the second signal line in the first and second peripheral regions.

The base film may include polyimide.

The driving circuit chip may be a scan driving integrated circuit.

The driving circuit chip may be a data driving integrated circuit.

The first signal line may transmit a signal whose value changes.

The first signal line may transmit a scan voltage or a data voltage.

The second signal line may transmit a signal having a fixed value.

The second signal line may transfer a common voltage or a driving voltage.

A driving package for an organic light emitting diode display according to another exemplary embodiment of the present invention is a driving package for an organic light emitting diode display including a center region and first and second peripheral regions facing each other with a base film, including a base film, A driving circuit chip mounted on the center region of the base film, a first signal line connected to the driving circuit chip on the center region of the base film, and formed in the first and second peripheral regions of the base film, respectively. And a protective film covering the two signal lines and the first and second signal lines, wherein the resistance of the second signal line is smaller than the resistance of the first signal line.

According to another aspect of the present invention, an organic light emitting diode display includes a substrate, a display area formed on the substrate, and a plurality of first driving packages continuously attached to upper or lower peripheral areas of the substrate other than the display area. The first driving package may include a first driving circuit and a first peripheral circuit facing each other with the central area interposed therebetween, the first driving circuit chip being mounted on the base film and the center area of the base film. And a first signal line connected to the driving circuit chip on the center region of the base film, a second signal line formed at each of the first and second peripheral regions of the base film, and protecting the first and second signal lines. The film comprises a film and the width of each of the first and second peripheral regions is at least 3 mm.

And a plurality of second driving packages which are continuously attached to the left or right peripheral area of the display area of the substrate, wherein the second driving package comprises: a second facing package with a central area interposed therebetween; A base film, a second driving circuit chip mounted on a center area of the base film, a first signal line connected to the driving circuit chip on a center area of the base film, and the base; A second signal line and a protective film covering the first and second signal lines respectively formed in the first and second peripheral regions of the film may be included, and the width of each of the first and second peripheral regions may be 3 mm or more.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Like parts are designated by like reference numerals throughout the specification. When a part of a layer, film, area, plate, etc. is said to be "on" another part, this includes not only the other part being "right over" but also another part in the middle. On the contrary, when a part is "just above" another part, there is no other part in the middle.

A display device and a driving method thereof according to an embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

1 is a block diagram of an organic light emitting diode display according to an exemplary embodiment of the present invention, and FIG. 2 is an equivalent circuit diagram of one pixel of the organic light emitting diode display according to an exemplary embodiment of the present invention.

As shown in FIG. 1, an organic light emitting diode display according to an exemplary embodiment includes a display panel 300, a scan driver 400 and a data driver 500 connected thereto, and a signal controller for controlling the display panel 300. And 600.

The display panel 300 is connected to a plurality of display signal lines G ₁ -G _n , D ₁ -D _m and a plurality of driving voltage lines (not shown) and arranged in an approximately matrix form in an equivalent circuit. A plurality of pixels PX is included.

The display signal lines G ₁ -G _n and D ₁ -D _m may include a plurality of scan signal lines G ₁ -G _n transmitting the scan signals and a plurality of data lines D ₁ -D _m transferring the data voltages. Include. The scan signal lines G ₁ -G _n extend substantially in the row direction and are separated from each other and are substantially parallel. The data lines D ₁ -D _m extend approximately in the column direction and are separated from each other and are substantially parallel.

The driving voltage line transfers the driving voltage Vdd to each pixel PX.

2, the pixels (PX), for example, scanning signal lines (G _i) and the data lines (D _j) in the pixel includes an organic light emitting diode (LD), a driving transistor (Qd), a capacitor which is connected (Cst), and the switching transistor (Qs).

The driving transistor Qd is a three-terminal element whose control terminal is connected to the switching transistor Qs and the capacitor Cst, the input terminal is connected to the driving voltage Vdd, and the output terminal is the organic light emitting diode LD. )

A switching transistor and also a three-terminal device (Qs) The control terminal and the input terminal of each of the scanning signal lines (G _i) and the data lines (D _j) is connected to the output terminal is a capacitor (Cst) and the driving transistor (Qd) It is connected.

The capacitor Cst is connected between the switching transistor Qs and the driving voltage Vdd, and charges and maintains the data voltage from the switching transistor Qs for a predetermined time.

An anode and a cathode of the organic light emitting diode LD are connected to the driving transistor Qd and the common voltage Vss, respectively. The organic light emitting diode LD displays an image by emitting light at different intensities according to the magnitude of the current I _LD supplied from the driving transistor Qd. The magnitude of the current I _LD depends on the magnitude of the voltage Vgs between the control terminal and the output terminal of the driving transistor Qd.

The switching and driving transistors Qs and Qd are composed of n-channel field effect transistors (FETs) comprising amorphous silicon or polycrystalline silicon. However, these transistors Qs and Qd may also be p-channel field effect transistors (FETs), in which case the p-channel field effect transistors (FETs) and n-channel field effect transistors (FETs) are complementary to each other. ), The operation and voltage and current of the p-channel field effect transistor (FET) are opposite to that of the n-channel field effect transistor (FET).

Next, the structure of the driving transistor Qd and the organic light emitting diode LD of the organic light emitting diode display illustrated in FIG. 2 will be described in detail with reference to FIGS. 3 and 4.

3 is a cross-sectional view illustrating an example of a cross section of a driving transistor and an organic light emitting diode of one pixel of the organic light emitting diode display illustrated in FIG. 2, and FIG. 4 is an organic light emitting diode display according to an exemplary embodiment of the present invention. A schematic diagram of a light emitting diode.

The control electrode 124 is formed on the insulating substrate 110. The control terminal electrode 124 is an aluminum-based metal such as aluminum (Al) or an aluminum alloy, a silver-based metal such as silver (Ag) or a silver alloy, a copper-based metal such as copper (Cu) or a copper alloy, and molybdenum (Mo) And a molybdenum-based metal such as molybdenum alloy, chromium (Cr), titanium (Ti), and tantalum (Ta) are preferably made. However, the control terminal electrode 124 may have a multilayer structure including two conductive films (not shown) having different physical properties. One of these conductive films is made of low resistivity metals such as aluminum-based metals, silver-based metals, and copper-based metals to reduce signal delays and voltage drops. On the other hand, other conductive films are made of other materials, particularly materials having excellent physical, chemical and electrical contact properties with indium tin oxide (ITO) and indium zinc oxide (IZO), such as molybdenum-based metals, chromium, titanium, tantalum, and the like. Good examples of such a combination include a chromium bottom film, an aluminum (alloy) top film, and an aluminum (alloy) bottom film and a molybdenum (alloy) top film. However, the control terminal electrode 124 may be made of various various metals and conductors. The control terminal electrode 124 is inclined with respect to the substrate 110 surface and its inclination angle is 30-80 °.

An insulating layer 140 made of silicon nitride (SiNx) is formed on the control terminal electrode 124.

On the insulating layer 140, a semiconductor 154 made of hydrogenated amorphous silicon (amorphous silicon is abbreviated a-Si), polycrystalline silicon, or the like is formed.

On the semiconductor 154, a pair of ohmic contacts 163 and 165 made of a material such as n + hydrogenated amorphous silicon doped with a high concentration of silicide or n-type impurities are formed.

Side surfaces of the semiconductor 154 and the ohmic contacts 163 and 165 are inclined with respect to the substrate 110 surface, and the inclination angle is 30-80 °.

An input electrode 173 and an output electrode 175 are formed on the ohmic contacts 163 and 165 and the insulating layer 140. The input terminal electrode 173 and the output terminal electrode 175 are preferably made of refractory metals such as chromium, molybdenum-based metals, tantalum and titanium, and an underlayer (not shown) And a low-resistance material upper layer (not shown) disposed thereon. Examples of the multilayer structure include a double layer of chromium or molybdenum (alloy) lower layer and an aluminum upper layer, and a triple layer of molybdenum (alloy) lower layer-aluminum (alloy) interlayer-molybdenum (alloy) upper layer. Like the control terminal electrode 124, the input terminal electrode 173 and the output terminal electrode 175 are also inclined at an angle of about 30-80 degrees.

The input terminal electrode 173 and the output terminal electrode 175 are separated from each other and positioned on both sides of the control terminal electrode 124. The control terminal electrode 124, the input terminal electrode 173, and the output terminal electrode 175 together with the semiconductor 154 form a driving transistor Qd, and its channel is the input terminal electrode 173 and the output terminal. It is formed in the semiconductor 154 between the electrodes 175.

The ohmic contacts 163 and 165 exist only between the semiconductor 154 below and the input terminal electrode 173 and the output terminal electrode 175 thereon, and serve to lower the contact resistance. The semiconductor 154 has an exposed portion without being covered by the input terminal electrode 173 and the output terminal electrode 175.

A passivation layer 180 is formed on the input terminal electrode 173, the output terminal electrode 175, the exposed portion of the semiconductor 154, and the insulating layer 140. The passivation layer 180 is made of an inorganic insulator such as silicon nitride (SiNx) or silicon oxide (SiO ₂ ), an organic insulator, or a low dielectric insulator. Preferably, the dielectric constant of the low dielectric constant insulator is 4.0 or less, for example, a-Si: C: O, a-Si: O: F, etc., which are formed by plasma enhanced chemical vapor deposition (PECVD). Among the organic insulators, the protective layer 180 may be formed by having photosensitivity, and the surface of the protective layer 180 may be flat. In addition, the passivation layer 180 may be formed as a double layer structure of the lower inorganic layer and the upper organic layer so as to protect the exposed portion of the semiconductor 154 while utilizing the advantages of the organic layer. In the passivation layer 180, a contact hole 185 exposing the output terminal electrode 175 is formed.

The pixel electrode 190 is formed on the passivation layer 180. The pixel electrode 190 is physically and electrically connected to the output terminal electrode 175 through the contact hole 185, and may be formed of a transparent conductive material such as ITO or IZO, or a metal having excellent reflectivity of aluminum or silver alloy. have.

The partition 361 is further formed on the passivation layer 180. The partition 361 defines an opening by surrounding a region around the pixel electrode 190 like a bank and is made of an organic insulating material or an inorganic insulating material.

An organic light emitting member 370 is formed on the pixel electrode 190, and the organic light emitting member 370 is trapped in an opening surrounded by the partition wall 360.

As illustrated in FIG. 4, the organic light emitting member 370 has a multilayer structure including auxiliary layers for improving the light emission efficiency of the light emitting layer EML in addition to the light emitting layer EML. The secondary layer contains an electron transport layer (ETL) and hole transport layer (HTL) to balance electrons and holes, and an electron injecting layer to enhance injection of electrons and holes. (EIL) and hole injecting layer (HIL). Subsidiary layers may be omitted.

The common electrode 270 to which the common voltage Vss is applied is formed on the partition 361 and the organic light emitting member 370. The common electrode 270 is made of a reflective metal including calcium (Ca), barium (Ba), aluminum (Al), silver (Ag), or the like, or a transparent conductive material such as ITO or IZO.

The opaque pixel electrode 190 and the transparent common electrode 270 are applied to a top emission organic light emitting display device that displays an image in an upper direction of the display panel 300. The opaque common electrode 270 is applied to a bottom emission organic light emitting display device that displays an image in a downward direction of the display panel 300.

The pixel electrode 190, the organic light emitting member 370, and the common electrode 270 form the organic light emitting diode LD shown in FIG. 2, and the pixel electrode 190 is an anode and the common electrode 270 is a cathode. In contrast, the pixel electrode 190 becomes a cathode and the common electrode 190 becomes an anode. The organic light emitting diode LD emits light of one of the primary colors according to the material of the organic light emitting member 370. Examples of the primary colors include three primary colors of red, green, and blue, and display a desired color as the spatial sum of the three primary colors.

Referring back to FIG. 1, the scan driver 400 is connected to the scan signal lines G ₁ -G _n to form a high voltage Von for turning on the switching transistor Qs and a low voltage Voff for turning off the switching transistor Qs. A scan signal consisting of a combination of the signals is applied to the scan signal lines G ₁ -G _n .

The data driver 500 is connected to the data lines (D ₁ -D _m) and applies the data voltages to the data lines (D ₁ -D _m).

The signal controller 600 controls operations of the scan driver 400 and the data driver 500, and corrects the input image data R, G, and B.

The scan driver 400 or the data driver 500 may be mounted directly on the display panel 300 in the form of at least one driver integrated circuit chip, or mounted on a flexible printed circuit film (not shown). The display panel 300 may be attached to the display panel 300 in the form of a tape carrier package (TCP). Alternatively, the scan driver 400 or the data driver 500 may be integrated in the display panel 300. Alternatively, the data driver 500 and the signal controller 600 may be integrated in one IC (one chip).

The signal controller 600 is configured to control input image data R, G, and B and its display from an external graphic controller (not shown), for example, a vertical synchronization signal Vsync and a horizontal synchronization signal ( Hsync, main clock MCLK, and data enable signal DE are provided. The signal controller 600 generates the output image data DAT by correcting the input image data R, G, and B based on the input image data R, G, and B and the input control signal, and generates the scan control signal CONT1. ) And the data control signal CONT2, and the like, the scan control signal CONT1 is sent to the scan driver 400, and the data control signal CONT2 and the output image data DAT are transferred to the data driver 500. send.

The scan control signal CONT1 includes a scan synchronization start signal STV for instructing the scan start of the high voltage Von and at least one clock signal for controlling the output of the high voltage Von.

The data control signal CONT2 is a load signal LOAD and a data clock signal HCLK for applying a corresponding data voltage to the horizontal synchronization start signal STH and the data lines D ₁ -D _m indicating data transfer of one pixel row. ), And the like.

The data driver 500 sequentially receives the image data DAT for one row of pixels according to the data control signal CONT2 from the signal controller 600, converts each image data DAT into a data voltage, and then converts the image data DAT into a data voltage. Is applied to the data lines D ₁ -D _m .

The scan driver 400 applies a scan signal to the scan signal lines G ₁ -G _n in response to the scan control signal CONT1 from the signal controller 600, and is connected to the scan signal lines G ₁ -G _n . Qs is turned on, and accordingly, a data voltage applied to the data lines D ₁ -D _m is applied to the control terminal of the corresponding driving transistor Qd through the turned-on switching transistor Qs.

The data voltage applied to the driving transistor Qd is charged in the capacitor Cst and the charged voltage is maintained even when the switching transistor Qs is turned off. The driving transistor Qd to which the data voltage is applied is turned on and outputs a current I _LD depending on the voltage. As the current I _LD flows through the organic light emitting diode LD, the pixel PX displays an image.

After one horizontal period (or "1H") (one period of the horizontal synchronization signal Hsync and the data enable signal DE) has passed, the data driver 500 and the scan driver 400 are connected to the pixels PX of the next row. Repeat the same operation. In this manner, the scan signals are sequentially applied to all the scan signal lines G ₁ -G _n during one frame to apply the data voltage to all the pixels PX. When one frame ends, the next frame starts and the same operation is repeated for the next frame.

Next, an organic light emitting diode display according to an exemplary embodiment of the present invention will be described in detail.

5 is a plan view illustrating an organic light emitting diode display according to an exemplary embodiment of the present invention.

Referring to FIG. 5, the organic light emitting diode display according to the present exemplary embodiment includes an organic light emitting panel 300. The organic light emitting panel 300 includes a display area 310 in which a plurality of pixels is provided to substantially display an image. The peripheral area space (edge) of the organic light emitting panel 300 other than the display area 310 is a portion to which various members for driving the display panel 300 are attached.

Referring to FIG. 5, a plurality of first driving packages 30 are continuously attached to an upper portion of the organic light emitting panel 300, and a plurality of second driving packages 40 are disposed on left and right sides of the organic light emitting panel 300. ) Are continuously attached. The driving packages 30 and 40 are members that apply a data voltage or a scan voltage while transferring a common voltage and / or a driving voltage to the display panel 300. The first driving package 30 attached to the upper peripheral area of the display panel 300 mainly includes a data driving voltage circuit 33, and the second driving package 40 attached to the side peripheral area mainly includes a scan driving voltage circuit. (43).

The drive packages 30 and 40 are attached to a printed circuit board (not shown), and the drive packages 30 and 40 receive image data and various control signals from the printed circuit board, and then display data voltages and the like on the display panel 300. To apply.

A driving package for an organic light emitting diode display according to an exemplary embodiment of the present invention will now be described in detail with reference to FIGS. 6 to 8.

6 is a plan view illustrating a driving package for an organic light emitting diode display according to an exemplary embodiment of the present invention, and FIGS. 7 and 8 are cutaway views of the driving package of FIG. 6 along the lines VII- and VII-VII, respectively. It is a cross section.

6 to 8, the drive package 30A according to the present exemplary embodiment includes the signal lines 34 and 35 formed on the base films 31, 32a and 32b, the base films 31, 32a and 32b, The driver integrated circuit chip 33 mounted on the base films 31, 32a, and 32b, and the protective film 36 covering the signal lines 34 and 35 are included.

The base films 31, 32a, and 32b serve as a support for the driving package 30A, and protect the signal lines 34 and 35 connected to the driving integrated circuit chip 33 and the driving integrated circuit chip 33. The base films 31, 32a, 32b have insulation and flexibility, and can be made of polyimide or the like, for example.

The base films 31, 32a, 32b include a central region 31, first and second peripheral regions 32a, 32b. The first and second peripheral regions 32a and 32b face each other with the central region 31 interposed therebetween. The width D of each of the first and second peripheral regions 32a and 32b is approximately 3 mm or more.

The drive circuit chip 33 is mounted in the center region 31 of the base film. The resin 37 is filled between the drive circuit chip 33 and the base film 31. The driving circuit chip 33 is a data driving integrated circuit chip applying a data voltage to the organic light emitting panel 300. In addition, the driving circuit chip may be a scan driving integrated circuit chip 43 that applies a scanning voltage to the organic light emitting panel 300.

The signal lines 34 and 35 include a first signal line 34 formed in the center region 31 of the base film and a second signal line formed in the first and second peripheral regions 32a and 32b of the base film. do.

The first signal line 34 is connected to the driving circuit chip 33 through a connecting member 38 such as a bump, and the input terminal 30a and the output terminal 30b from the driving circuit chip 33 on the base film 31. It is formed toward. The first signal line 34 transmits a data driving voltage. Also, if the driving circuit chip is a scan driving integrated circuit, the first signal line 34 transfers the scan driving voltage.

The second signal line 35 is not connected to the driving circuit chip 33 and is formed on the base films 32a and 32b from the driving circuit chip 33 toward the input terminal 30a and the output terminal 30b. The second signal line 35 transfers the driving voltage Vdd or the common voltage Vss from the printed circuit board (not shown) separately provided to the display panel 300.

The signal lines 34 and 35 are made of metal, and the resistance of the second signal line 35 is preferably smaller than the resistance of the first signal line 34.

In FIGS. 7 and 8, the signal lines 34 and 35 are formed on the base films 31, 32a and 32b, but are not limited thereto and may be formed below the base films 31, 32a and 32b. have.

When the widths of the first and second peripheral areas 32a and 32b are set to 3 mm or more in this manner, the driving voltage (i.e., using the second signal lines 35 formed on the first and second peripheral areas 32a and 32b) is used. Vdd) or common voltage Vss. In addition, when the resistance of the second signal line 35 is made of a relatively low material, the driving voltage Vdd or the common voltage Vss may be more smoothly transmitted to the display panel 300. Therefore, in addition to the driving package for data driving or gate driving, there is no need to separately attach a flexible printed circuit (FPC) for transferring the driving voltage Vdd or the common voltage Vss.

On the other hand, the protective film 36 covers the first and second signal lines 34 and 35 that transmit current. The first and second signal lines 34 and 35 are exposed to the outside to prevent damage.

A driving package for an organic light emitting diode display according to another exemplary embodiment of the present invention will now be described in detail with reference to FIGS. 9 and 10.

9 is a plan view illustrating a driving package for an organic light emitting diode display according to another exemplary embodiment. FIG. 10 is a cross-sectional view of the driving package of FIG. 9 taken along a line VII-VII.

Referring to FIG. 9, the driving package according to the present exemplary embodiment also has a base film and a base film 31 including a central region 31, first and second peripheral regions 32a and 32b, similarly to the driving package of FIG. 6. , Protective film 36 covering signal lines 34 and 35 formed on the 32a and 32b, driving integrated circuit chips 33 and signal lines 34 and 35 mounted on the base films 31, 32a and 32b. It includes.

However, unlike the driving package of FIG. 9, the protective film 36 is patterned in parallel with the second signal line 35 in the first and second peripheral regions 32a and 32b. That is, the opening 39 is formed in the protective film 36 to expose the base films 32a and 32b. This can increase the flexibility of the drive package.

As described above, the common voltage and the driving voltage as well as the data voltage and the gate voltage may be smoothly supplied using one driving package, and the manufacturing process of the organic light emitting display device may be simplified.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

Claims (13)

A driving package for an organic light emitting display device comprising a center region and first and second peripheral regions facing each other with the center region interposed therebetween. Base Film, A driving circuit chip mounted on the center region of the base film, A first signal line connected to the driving circuit chip on a center region of the base film, Second signal lines respectively formed in the first and second peripheral regions of the base film; A protective film covering the first and second signal lines Including, Each of the first and second peripheral regions has a width of 3 mm or more. A drive package for an organic light emitting display device. In claim 1, And a resistance of the second signal line is smaller than that of the first signal line. In claim 1, The protective film is patterned in the first and second peripheral areas in parallel with the second signal line. In claim 1, The base film includes a polyimide drive package for an organic light emitting display device. In claim 1, The driving circuit chip is a driving package for an organic light emitting display device. In claim 1, The driving circuit chip is a driving package for an organic light emitting display device. In claim 1, The first signal line transmits a signal whose value is changed. In claim 7, The first signal line transfers a scan voltage or a data voltage. In claim 1, The second signal line transfers a signal having a fixed value. In claim 9, The second signal line transfers a common voltage or a driving voltage. A driving package for an organic light emitting display device comprising a center region and first and second peripheral regions facing each other with the center region interposed therebetween. Base Film, A driving circuit chip mounted on the center region of the base film, A first signal line connected to the driving circuit chip on a center region of the base film, Second signal lines respectively formed in the first and second peripheral regions of the base film; A protective film covering the first and second signal lines Including, The resistance of the second signal line is less than the resistance of the first signal line. A drive package for an organic light emitting display device. Board, A display area formed on the substrate, A plurality of first driving packages continuously attached to upper or lower peripheral regions of the substrate other than the display region; The first drive package, A first region and a second peripheral region facing each other with a central region interposed therebetween, Base Film, A first driving circuit chip mounted on the center region of the base film, A first signal line connected to the driving circuit chip on a center region of the base film, Second signal lines respectively formed in the first and second peripheral regions of the base film; A protective film covering the first and second signal lines A width of each of the first and second peripheral regions is greater than or equal to 3 mm. OLED display. In claim 12, A plurality of second driving packages continuously attached to a region around a left side or a right side of the display area of the substrate; The second drive package, A first region and a second peripheral region facing each other with a central region interposed therebetween, Base Film, A second driving circuit chip mounted on the center region of the base film, A first signal line connected to the driving circuit chip on a center region of the base film, Second signal lines respectively formed in the first and second peripheral regions of the base film; A protective film covering the first and second signal lines A width of each of the first and second peripheral regions is greater than or equal to 3 mm. OLED display.

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