KR102009690B1 - Organic light emitting display device - Google Patents

Abstract

The present invention relates to an organic light emitting display device capable of minimizing a voltage drop of a pixel driving power supplied to each pixel. The organic light emitting display device according to the present invention includes a plurality of data lines and a plurality of gate lines crossing each other; And a plurality of pixels formed for each pixel area defined by a plurality of driving power lines parallel to the plurality of data lines. A plurality of data drivers for converting display data into data voltages and supplying the data voltages to the plurality of data lines according to data control signals; A plurality of gate drivers configured to generate gate pulses according to gate control signals and supply the gate pulses to the plurality of gate lines; A plurality of upper driving power supply members for supplying driving power to each of the plurality of driving power lines; A plurality of lower drive power supply members for supplying drive power to each lower side of each of the plurality of drive power lines; A data printed circuit board connected to each of the plurality of data drivers; And a timing controller configured to generate the data control signal and the gate control signal and to supply the display data to the plurality of data drivers, and to generate the driving power to generate the plurality of upper and lower driving powers through the data printed circuit board. It may be configured to include a control board including a power supply for supplying each supply.

Description

Organic light emitting display device {ORGANIC LIGHT EMITTING DISPLAY DEVICE}

The present invention relates to an organic light emitting display device.

Recently, the importance of flat panel displays has increased with the development of multimedia. In response to this, flat panel displays such as liquid crystal displays, plasma displays, and organic light emitting displays have been commercialized. Among such flat panel displays, the organic light emitting diode display has a high response speed, low power consumption, and self-emission, and thus has no problem in viewing angle.

A general organic light emitting display device includes a display panel including a plurality of pixels formed in a pixel area defined by an intersection of a plurality of data lines and a plurality of gate lines, and a panel driver for emitting each pixel.

As illustrated in FIG. 1, each pixel of the display panel includes a switching transistor ST, a driving transistor DT, a capacitor Cst, and a light emitting element OLED.

The switching transistor ST is switched according to the gate pulse supplied to the gate line GL to supply the data voltage Vdata supplied to the data line DL to the driving transistor DT.

The driving transistor DT is switched according to the data voltage Vdata supplied from the switching transistor ST to control the data current Ioled flowing from the driving power line PL to the light emitting device OLED.

The capacitor Cst is connected between the gate terminal and the source terminal of the driving transistor DT to store a voltage corresponding to the data voltage Vdata supplied to the gate terminal of the driving transistor DT, and stores the voltage as the stored transistor. Turn on DT).

The light emitting device OLED includes an organic layer including an anode electrode layer connected to a source terminal of the driving transistor DT, a cathode electrode layer CE supplied with ground power, and a light emitting layer formed between the anode electrode layer and the cathode electrode layer. The light emitting device OLED emits light in proportion to the data current Ioled supplied from the driving transistor DT.

Each pixel of the conventional organic light emitting diode display emits light by controlling the size of the data current Ioled flowing from the driving power line PL to the light emitting device OLED by using the driving transistor DT according to the data voltage Vdata. By emitting the device OLED, a predetermined image is displayed.

In the organic light emitting diode display, the emission luminance of each pixel is affected by the voltage of the pixel driving power supply VDD together with the data voltage Vdata. Therefore, for uniform luminance of each pixel, the voltage of the pixel driving power supply VDD supplied to each pixel must be constant.

However, the pixel driving power supply VDD is a DC power supply having a set voltage level, and a voltage drop IR Drop is caused by a line resistance of the driving power supply line PL while being supplied to each pixel through the driving power supply line PL. The voltage drop of the pixel driving power source VDD increases as the organic light emitting diode display becomes larger.

Accordingly, there is a demand for a method of minimizing a voltage drop of the pixel driving power supplied to each pixel.

SUMMARY The present invention has been made in view of the above-described problem, and an object of the present invention is to provide an organic light emitting display device capable of minimizing a voltage drop of a pixel driving power supplied to each pixel.

In accordance with an aspect of the present invention, an organic light emitting display device includes a plurality of data lines and a plurality of gate lines crossing each other, and a plurality of driving power lines parallel to the plurality of data lines. A display panel including a plurality of formed pixels; A plurality of data drivers for converting display data into data voltages and supplying the data voltages to the plurality of data lines according to data control signals; A plurality of gate drivers configured to generate gate pulses according to gate control signals and supply the gate pulses to the plurality of gate lines; A plurality of upper driving power supply members for supplying driving power to each of the plurality of driving power lines; A plurality of lower drive power supply members for supplying drive power to each lower side of each of the plurality of drive power lines; A data printed circuit board connected to each of the plurality of data drivers; And a timing controller for generating the data control signal and the gate control signal and supplying the display data to the plurality of data drivers, and generating and supplying the driving power to each of the plurality of lower driving power supply members. It may be configured to include a control board including a power supply for supplying each of the plurality of upper drive power supply through a printed circuit board.

In accordance with an aspect of the present invention, an organic light emitting display device includes a plurality of data lines and a plurality of gate lines crossing each other, and a plurality of driving power lines parallel to the plurality of data lines. A display panel including a plurality of formed pixels; A plurality of data drivers for converting display data into data voltages according to a data control signal and supplying them to the plurality of data lines, and supplying driving power to each of the plurality of driving power lines; A plurality of gate drivers configured to generate gate pulses according to gate control signals and supply the gate pulses to the plurality of gate lines; A plurality of lower drive power supply members for supplying drive power to each lower side of each of the plurality of drive power lines; A data printed circuit board connected to each of the plurality of data drivers; And a timing controller for generating the data control signal and the gate control signal and supplying the display data to the plurality of data drivers, and generating and supplying the driving power to each of the plurality of lower driving power supply members. It may be configured to include a control board including a power supply for supplying the plurality of data driver through a printed circuit board.

According to the means for solving the above problems, the organic light emitting diode display according to the present invention has the following advantages.

First, by simultaneously supplying the pixel driving power to both sides of each of the plurality of driving power lines, problems such as image quality derived from the length of the driving power line and the line resistance variation may be improved.

Second, since a plurality of driving power lines are connected to the first and second common driving power lines in a zigzag form by a plurality of divided common division lines, it is possible to prevent diffusion of combustion phenomena generated in the common driving power lines.

1 illustrates a pixel structure of a general organic light emitting display device.
2 is a plan view illustrating an organic light emitting diode display according to a first exemplary embodiment of the present invention.
3 is a rear view illustrating an organic light emitting display device according to a first embodiment of the present invention.
4 is a diagram for describing an arrangement structure of pixels and driving power lines formed in the display area illustrated in FIG. 2.
FIG. 5 is an enlarged view illustrating a portion A shown in FIG. 2.
6 is a plan view illustrating an organic light emitting diode display according to a second exemplary embodiment of the present invention.
FIG. 7 is an enlarged view illustrating a portion B shown in FIG. 6.
8 is a plan view illustrating an organic light emitting diode display according to a third exemplary embodiment of the present invention.
9 is a rear view illustrating an organic light emitting display device according to a third embodiment of the present invention.
FIG. 10 is a diagram for describing a modified example of a common line of the first and second driving power sources in the organic light emitting diode display according to the first to third embodiments.

In the present specification, in adding reference numerals to the components of each drawing, it should be noted that the same components have the same number as much as possible even though they are displayed on different drawings.

On the other hand, the meaning of the terms described herein will be understood as follows.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and the terms “first”, “second”, and the like are intended to distinguish one component from another. The scope of the rights shall not be limited by these terms.

It is to be understood that the term "comprises" or "having" does not preclude the existence or addition of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

The term "at least one" should be understood to include all combinations which can be presented from one or more related items. For example, the meaning of "at least one of the first item, the second item, and the third item" means two items of the first item, the second item, or the third item, as well as two of the first item, the second item, and the third item, respectively. A combination of all items that can be presented from more than one.

Hereinafter, exemplary embodiments of the organic light emitting diode display according to the present invention will be described in detail with reference to the accompanying drawings.

2 and 3 are plan and rear views illustrating an organic light emitting diode display according to a first exemplary embodiment of the present invention, and FIG. 4 illustrates an arrangement structure of pixels and driving power lines formed in the display area illustrated in FIG. 2. FIG. 5 is an enlarged view illustrating a portion A shown in FIG. 2.

2 to 5, the organic light emitting diode display according to the first exemplary embodiment of the present invention may include a display panel 110, a plurality of data drivers 120, and a plurality of first and second gate drivers 130a and 130b. ), A plurality of upper and lower drive power supply members 140 and 150, data printed circuit board 160, first and second gate printed circuit boards 170a and 170b, drive power transfer board 180, and control It is configured to include a substrate 190.

The display panel 110 includes a first substrate 112 having a display area AA and a non-display area IA around the display area AA, and a non-display area IA of the first substrate 112. And a second substrate 114 covering a portion of the substrate except for a portion thereof.

The first substrate 112 includes a plurality of data lines DL, a plurality of gate lines GL, a plurality of driving power lines PL, a plurality of pixels P, a cathode electrode layer CE, first and first It includes two driving power supply common lines CPL1 and CPL2, a plurality of data and gate pad parts PP1 and PP2, and a plurality of upper and lower driving power supply pad parts DSP1 and DSP2.

Each of the plurality of data lines DL is formed side by side to have a predetermined interval along the first direction of the display area AA. In this case, the first direction may be a direction parallel to a short side of the first substrate 112.

Each of the plurality of gate lines GL is formed side by side to have a predetermined interval along the second direction crossing the first direction.

Each of the plurality of driving power lines PL is formed to have a predetermined interval along the first direction so as to be parallel to the plurality of data lines DL. That is, the plurality of driving power lines PL may be formed between each of the plurality of data lines DL, or may be formed to be shared by the left and right adjacent pixels P as shown in FIG. 3.

Each of the plurality of pixels P is formed in a pixel area defined by the intersection of the plurality of data lines DL and the plurality of gate lines GL, and thus the adjacent data lines DL, the gate lines GL, and the driving power source. It is connected to the line PL. Each of the plurality of pixels P flows from the driving power line PL to the cathode electrode layer CE so as to correspond to a data voltage supplied to the data line DL in response to a gate pulse supplied to the gate line GL. It emits light by electric current and displays a predetermined image. To this end, each of the plurality of pixels P is the same as the pixel illustrated in FIG. 1, and thus description thereof will be omitted.

On the other hand, the pixel circuit of the pixel P according to the present invention further includes a compensation circuit (not shown) for compensating the threshold voltage of the driving thin film transistor, in order to prevent deterioration of image quality due to the deviation of the threshold voltage of the driving thin film transistor. Can be configured.

The compensation circuit includes at least one compensation transistor (not shown) and at least one compensation capacitor (not shown) formed in the pixel circuit. The compensation circuit compensates the threshold voltage of each driving thin film transistor by storing the data voltage and the threshold voltage of the driving thin film transistor together in the capacitor during the detection period for detecting the threshold voltage of the driving thin film transistor.

The cathode electrode layer CE is formed to cover the entirety of the first substrate 112 except for a portion of the non-display area IA, like the dot hatching area of FIGS. 2 and 5. The cathode electrode layer CE is connected to an organic layer of the light emitting device OLED formed in each pixel P to supply cathode power to the organic layer. Here, when the organic light emitting diode display according to the present invention is a bottom emission method of emitting image light emitted from the display area AA to the outside through the first substrate 112, the cathode electrode layer CE has a high reflectance. Made of opaque metal material. On the contrary, when the organic light emitting diode display according to the present invention emits light emitted from the display area AA to the outside through the second substrate 114, the cathode electrode layer CE has a light transmittance. Made of high transparent metal material.

The first driving power source common line CPL1 is formed in the upper non-display area IA of the first substrate 112 and commonly connected to the upper side of each of the plurality of driving power lines PL. The second driving power common line CPL2 is formed in the lower non-display area IA of the first substrate 112 and commonly connected to the lower side of each of the plurality of driving power lines PL.

Each of the plurality of data pad parts PP1 is formed at a predetermined interval in each of the upper non-display areas IA of the first substrate 112. Each of the plurality of data pad units PP1 includes a plurality of data pads connected to both sides of the corresponding data line DL through a data link line (not shown).

Each of the plurality of gate pad parts PP2 is formed at regular intervals in the left and right non-display areas IA of the first substrate 112. Each of the plurality of gate pad portions PP2 includes a plurality of gate pads connected to both sides of the corresponding gate line GL through a gate link line (not shown).

Each of the plurality of upper driving power pad portions DSP1 is formed in the upper non-display area IA between the plurality of data pad portions PP1 formed on the first substrate 112. Each of the plurality of upper driving power pad units DSP1 includes a plurality of upper driving power pads, and each of the plurality of upper driving power pads is connected to the first driving power common line CPL1 through a driving power link line. Commonly connected.

Each of the plurality of lower driving power pad parts DSP2 is formed in the lower non-display area IA of the first substrate 112 at regular intervals. Each of the plurality of lower driving power pad units DSP2 includes a plurality of lower driving power pads, and each of the plurality of lower driving power pads is connected to the second driving power common line CPL2 through a driving power link line. Commonly connected.

The second substrate 114 is formed in the form of a flat plate made of glass, plastic, or metal, and is bonded to the first substrate 112 so that the light emitting cells of each pixel P formed on the first substrate 112 are moistened, Protect from oxygen. In this case, the second substrate 114 is bonded to the non-display area except for the pad parts PP1 and PP2 of the non-display area IA of the first substrate 112 by a sealing member (not shown). The display area AA of 112 is wrapped.

Each of the plurality of data drivers 120 is connected to a data pad part PP1 formed in the upper non-display area IA of the first substrate 112 so that the corresponding data is connected through the data pad part PP1 and the data link line. The data voltage is supplied to the line DL. Each of the plurality of data drivers 120 includes a data flexible circuit film 121 and a data driver integrated circuit 123.

The data flexible circuit film 121 is attached to the data pad part PP1 so as to be electrically connected to the data pad by a tape automated bonding (TAB) process. The data flexible circuit film 121 is made of a tape carrier package (TCP) or a chip on flexible board or chip on film (COF).

The data driving integrated circuit 123 is mounted on the data flexible circuit film 121 and connected to the corresponding data line DL through the data flexible circuit film 121, the data pad, and the data link line. The data driving integrated circuit 123 converts the display data into a data voltage using display data, a data control signal, and a plurality of reference gamma voltages input through the data flexible circuit film 121, and converts the converted data into data voltages. The voltage is supplied to the corresponding data line DL.

Each of the plurality of first gate drivers 130a is connected to the gate pad part PP2 formed in the left non-display area IA of the first substrate 112 to pass through the gate pad part PP2 and the gate link line. The gate pulse is supplied to the left side of the gate line GL. Each of the plurality of second gate drivers 130b is connected to the gate pad part PP2 formed in the right non-display area IA of the first substrate 112 to pass through the gate pad part PP2 and the gate link line. The gate pulse is supplied to the right side of the gate line GL. Each of the plurality of first and second gate drivers 130a and 130b includes a gate flexible circuit film 131 and a gate driver integrated circuit 133.

The gate flexible circuit film 131 is attached to the gate pad part PP2 to be electrically connected to the gate pad by a tape automated bonding (TAB) process. The gate flexible circuit film 131 may be formed of a tape carrier package (TCP) or a chip on flexible board or chip on film (COF).

The gate driving integrated circuit 133 is mounted on the gate flexible circuit film 121 and connected to the corresponding gate line GL through the gate flexible circuit film 131, the gate pad, and the gate link line. The gate driving integrated circuit 133 generates a gate pulse according to a gate control signal input through the gate flexible circuit film 131 and supplies the gate pulse to the corresponding gate line GL. Accordingly, the gate driver integrated circuit 133 of each of the first and second gate drivers 130a and 130b simultaneously supplies the same gate pulse to the left and right sides of one gate line GL, thereby providing a gate line GL. Minimize the voltage drop of the gate pulse.

Each of the plurality of upper driving power supply members 140 may be formed on the upper driving power pad part DSP1 formed in the upper non-display area IA of the first substrate 112 by a tape automated bonding (TAB) process. Attached. Each of the plurality of upper driving power supply members 140 includes a flexible circuit film including a plurality of driving power input lines connected to each of the upper driving power pads of each of the plurality of upper driving power pad units DSP1.

Each of the plurality of lower driving power supply members 150 may be formed on the lower driving power pad part DSP2 formed in the lower non-display area IA of the first substrate 112 by a tape automated bonding (TAB) process. Attached. Each of the plurality of lower driving power supply members 150 includes a flexible circuit film including a plurality of driving power input lines connected to each of the lower driving power pads of each of the plurality of lower driving power pad units DSP2.

Meanwhile, each of the plurality of data flexible circuit films 121, the plurality of gate flexible circuit films 131, and the plurality of upper and lower driving power supply members 140 and 150 is an organic light emitting display device according to an exemplary embodiment of the present invention. In the case of the bottom emission method, as illustrated in FIG. 3, the organic light emitting diode according to the present invention is disposed on the rear surface of the second substrate 114 with respect to the front surface of the first substrate 112. When the display device is the bottom emission method, although not shown, the display device may be bent to surround the side surface of the first substrate 112 and disposed on the rear surface of the first substrate 112.

The data printed circuit board 160 is commonly connected to each of the plurality of data driving units 120 and the plurality of upper driving power supply members 140 by a tape automated bonding (TAB) process.

The data printed circuit board 160 supplies the pixel driving power supplied from the control board 190 to the plurality of upper driving power supply members 140. To this end, the data printed circuit board 160 has a first driving power supply line 162 commonly connected to a plurality of driving power input lines formed on each of the plurality of upper driving power supply members 140. . Accordingly, the pixel driving power is driven first through the first driving power supply line 162, the plurality of upper driving power supply members 140, the upper driving power pad part DSP1, and the driving power link line. After being supplied to the power source common line CPL1, the power source common line CPL1 is supplied to the upper side of each of the plurality of driving power source lines PL.

The data printed circuit board 160 supplies display data, a data control signal, and a plurality of reference gamma voltages, respectively, supplied from the control board 190 to each of the data drivers 120.

The first gate printed circuit board 170a is commonly connected to the gate flexible circuit film 131 of each of the plurality of first gate drivers 130a by a tape automated bonding (TAB) process. The first gate printed circuit board 170a supplies a gate control signal supplied from the control substrate 190 to the gate driving integrated circuit 133 of each of the plurality of first gate drivers 130a.

The second gate printed circuit board 170b is commonly connected to the gate flexible circuit film 131 of the plurality of second gate drivers 130b by a tape automated bonding (TAB) process. The second gate printed circuit board 170b supplies a gate control signal supplied from the control substrate 190 to the gate driving integrated circuit 133 of each of the plurality of second gate drivers 130b.

The driving power transmission substrate 180 is connected to each of the plurality of lower driving power supply members 150 by a tape automated bonding (TAB) process to supply pixel driving power supplied from the control substrate 190. The lower driving power supply members 150 are supplied to the plurality of lower driving power supply members 150. To this end, a second driving power supply line 182 is commonly formed on the driving power transmission substrate 180 to be connected to a plurality of driving power input lines formed on each of the plurality of lower driving power supply members 150. . Accordingly, the pixel driving power is provided through the second driving power supply line 182, the plurality of lower driving power supply members 150, the lower driving power pad part DSP2, and the driving power link line. After being supplied to the common line CPL2, it is supplied to the lower side of each of the plurality of driving power lines PL through the second driving power common line CPL2.

The control board 190 may pass the data printed circuit board 160 and the plurality of third and fourth signal transmission films 191c and 191d through the plurality of first and second signal transmission films 191a and 191b, respectively. The first and second gate printed circuit boards 170a and 170b are respectively connected to each other, and are connected to the driving power transmission board 180 through a pair of fifth signal transmission films 191e.

The control board 190 includes a plurality of first and second connectors 193a and 193b to which the plurality of first and second signal transmission films 191a and 191b are connected, and the plurality of third and fourth signals. Each of the third and fourth connectors 193c and 193d to which the transmission films 191c and 191d are connected, and the pair of fifth connectors 193e to which the pair of fifth signal transmission films 191e are connected, respectively. It is mounted.

In addition, a timing controller 195, a reference gamma voltage generator 197, and a power supply unit 199 are mounted on the control board 190.

The timing controller 195 displays image data supplied from an external system main body (not shown) or a graphics card (not shown) through a user connector (not shown) mounted on the control board 190. The display data is generated by aligning to suit the driving of the data, and the data control signal and the gate control signal are generated based on a timing synchronization signal supplied through a user connector (not shown).

The reference gamma voltage generator 197 uses a plurality of reference gamma voltages having different voltage levels by using input power supplied through the user connector or a power connector (not shown) mounted on the control board 190. Create

The power supply unit 199 generates the pixel driving power by using input power supplied through the power connector (not shown), and generates various circuit driving voltages for driving the organic light emitting diode display.

Each of the display data, the data control signal, the plurality of reference gamma voltages, and various circuit driving voltages may include a sixth connector mounted on the control board 190, the first connector 193a, and the data printed circuit board 160. 164, the data printed circuit board 160, and the data flexible circuit film 121 are supplied to each of the data driving integrated circuits 123.

Each of the gate control signal and various circuit driving voltages may include the control board 190, the third connector 193c, the seventh connector 172 mounted on the first gate printed circuit board 170a, and the first gate. Supplied to the gate driving integrated circuits 133 of the plurality of first gate drivers 130a through the gate printed circuit board 170a, and at the same time, the control board 190, the fourth connector 193d, Gate driving integrated circuits 133 of the plurality of second gate drivers 130b through an eighth connector 174 mounted on the second gate printed circuit board 170b and the second gate printed circuit board 170b. ) Is supplied to each.

The pixel driving power may include the ninth connector 166 and the first driving power supply line 162 mounted on the control board 190, the second connector 193b, and the data printed circuit board 160. The upper driving power supply member 140, the upper driving power pad part DSP1, and the first driving power supply common line CPL1 to be supplied to the upper side of the plurality of driving power lines PL, and at the same time the The tenth connector 184 mounted on the control board 190, the fifth connector 193e and the driving power transmission board 180, the second driving power supply line 182, and the lower driving power supply member ( 150 is supplied to the lower side of the plurality of driving power lines PL through the lower driving power pad part DSP2 and the second driving power common line CPL2. Accordingly, the pixel driving power is supplied to each of the upper side and the lower side of each of the plurality of driving power lines PL formed on the display panel 110.

On the other hand, each of the data printed circuit board 160, the first and second gate printed circuit boards 170a and 170b, the driving power transfer board 180, and the control board 190 is in accordance with the present invention described above. In some embodiments, the organic light emitting diode display may be disposed on the rear surface of the second substrate 114 or the rear surface of the first substrate 112.

As described above, the organic light emitting diode display according to the first exemplary embodiment of the present invention simultaneously supplies the pixel driving power to the upper side and the lower side of the driving power line PL, thereby reducing the variation in the length and the line resistance of the driving power line PL. Problems such as deriving image quality can be improved.

6 is a plan view illustrating an organic light emitting diode display according to a second exemplary embodiment of the present invention, and FIG. 7 is an enlarged view illustrating a portion B shown in FIG. 6.

6 and 7, the organic light emitting diode display according to the second exemplary embodiment may include a display panel 110, a plurality of data drivers 120, first and second gate drivers 130a and 130b, A plurality of lower driving power supply members 150, a data printed circuit board 160, first and second gate printed circuit boards 170a and 170b, a driving power transmission board 180, and a control board 190. It is configured by.

In the display panel illustrated in FIG. 2, the display panel 110 includes a plurality of upper driving power pad parts DSP1 formed in the upper non-display area of the first substrate 112. PP1) and the same, except that the structures of the plurality of data pads PP1 and the plurality of data drivers 120 are changed. Therefore, the plurality of data pads PP1 and the plurality of data pads are described below. Each of the data driver 120 will be described.

Each of the plurality of data pad parts PP1 is formed in the upper non-display area IA of the first substrate 112 at regular intervals. Each of the plurality of data pad units PP1 includes a plurality of data pads DP connected to the plurality of data lines DL, and a plurality of upper driving power pads PSP.

Each of the plurality of data pads DP is connected to a corresponding data line DL through a data link line DLL.

The plurality of upper driving power pads PSP are formed at both sides of the data pad part PP1 with the plurality of data pads DP interposed therebetween to be connected to the first driving power common line CPL1. Accordingly, the first driving power supply common line CPL1 is commonly connected to the plurality of upper driving power pads PSP formed in the upper non-display area IA of the first substrate 112.

Each of the plurality of data drivers 120 includes a data flexible circuit film 121 attached to the data pad part PP1, and a data driver integrated circuit 123 mounted on the data flexible circuit film 121. This is the same as the data driver of FIGS. 2 and 4 except that a plurality of driving power input lines 125 are added to the data flexible circuit film 121.

Each of the plurality of driving power input lines 125 formed on the data flexible circuit film 121 receives the pixel driving power from the first driving power supply line 162 of the data printed circuit board 160 as described above. The upper driving power pad PSP of the pad part PP1 is supplied. Accordingly, the pixel driving power is connected to each of the plurality of driving power lines PL through the plurality of driving power input lines 125, the upper driving power pads PSP, and the first driving power common line CPL1. It is supplied to the upper side.

As described above, the organic light emitting diode display according to the second exemplary embodiment of the present invention includes a data flexible circuit film 121 of each of the plurality of data drivers 120, a driving power transfer board 180, and a lower driving power supply member 150. By supplying the pixel driving power to each of the first and second driving power supply common lines CPL1 and CPL2, the pixel driving power is simultaneously supplied to each of the upper side and the lower side of each of the plurality of driving power lines PL.

Therefore, the organic light emitting diode display according to the second exemplary embodiment of the present invention can provide the same effects as the first exemplary embodiment of the present invention, and each of the plurality of data pad units PP1 includes an upper driving power pad unit ( DSP1), the upper driving power supply member 140 of the first embodiment of the present invention can be deleted. Accordingly, when the display panel 110 described above has an ultra high resolution of 3840 × 2160 or higher Ultra High Definition (UHD) or more, the space between the plurality of data pad parts PP1 is narrowed, so that the plurality of upper driving power sources described above are narrowed. Although it is difficult to attach the supply member 140, in the organic light emitting diode display according to the second embodiment of the present invention, since the plurality of upper driving power supply members 140 are omitted, the display panel 110 having the ultra-high resolution may be used. Can also stably supply the pixel driving power.

8 and 9 are plan and rear views illustrating an organic light emitting display device according to a third embodiment of the present invention.

8 and 9, an organic light emitting diode display according to a third exemplary embodiment of the present invention may include a display panel 110, a plurality of data drivers 120, and a plurality of first and second gate drivers 130a and 130b. ), A plurality of upper and lower driving power supply members 140 and 150, a data printed circuit board 160, first and second gate printed circuit boards 170a and 170b, and a control board 190. do. In the organic light emitting diode display according to the third exemplary embodiment of the present invention having the above configuration, in the first exemplary embodiment of the present invention illustrated in FIG. 2, the driving power transfer substrate 180 is deleted, and thus the lower driving power is supplied. Since the structure of the member 150 is the same except that the structure is changed, only the lower driving power supply member 150 will be described below.

The lower driving power supply member 150 may supply the pixel driving power supplied from the control substrate 190 to each of the plurality of lower driving power pad parts DSP2 formed in the lower non-display area of the display panel 110. The circuit film includes a plurality of first and second connection protrusions 152 and 154 and the second driving power supply line 156.

Each of the plurality of first connection protrusions 152 is attached to each of the plurality of lower drive power pad portions DSP2 by a tape automated bonding (TAB) process.

Each of the plurality of second connection protrusions 154 is connected to the fifth connector 193e mounted on the control board 190.

As described above, the lower driving power supply member 150 may be disposed on the rear surface of the second substrate 114 or the rear surface of the first substrate 112 according to the light emission method of the organic light emitting diode display according to the present invention. Can be deployed.

The second driving power supply line 156 may include pixel driving power supplied from the plurality of second connection protrusions 154 through the plurality of lower driving power pad units through each of the plurality of first connection protrusions 152. DSP2) to be supplied to each. Accordingly, the pixel driving power source is the control board 190, the fifth connector 193e, the second connection protrusion 154, the second driving power supply line 156, and the first connection protrusion 152. The lower driving power pad part DSP2 and the second driving power supply common line CPL2 are supplied to the lower side of each of the plurality of driving power supply lines PL.

As described above, the organic light emitting diode display according to the third exemplary embodiment of the present invention is provided on the upper side and the lower side of each of the plurality of driving power lines PL through the upper and lower driving power supply members 140 and 150, respectively. By simultaneously supplying the pixel driving power, the driving power transmission substrate 180 in the first embodiment may be deleted while providing the same effect as the first embodiment of the present invention.

Meanwhile, the upper driving power supply member 140 of the organic light emitting diode display according to the third exemplary embodiment may be omitted as in the organic light emitting diode display according to the second exemplary embodiment of the present invention.

FIG. 10 is a diagram for describing a modified example of a common line of the first and second driving power sources in the organic light emitting diode display according to the first to third embodiments.

As can be seen in FIG. 10, the plurality of driving power lines PL described above are divided into a plurality of groups PLG divided into tens to hundreds of driving power lines PL, and the first and second driving examples of the modification. Each of the power source common lines CPL1 and CPL2 is divided into a plurality of divided common lines. Accordingly, one of the upper side and the lower side of the plurality of driving power lines included in two adjacent groups PLG is connected to one divided common line, and the other side is connected to two divided common lines.

In detail, the first driving power supply common line CPL1 according to the modification includes a plurality of first divided common lines CDL1 having a first length and a second divided common line CDL2 having a second length. The second driving power source common line CPL2 according to the modification includes a plurality of third divided common lines CDL3 having the first length, and a fourth divided common line CDL4 having the second length.

Each of the plurality of first divided common lines CDL1 is commonly connected to an upper side of each of the plurality of driving power lines PL included in two adjacent groups PLG. The second divided common line CDL2 is commonly connected to an upper side of each of the plurality of driving power lines PL included in one group PLG.

Each of the plurality of third divided common lines CDL3 is commonly connected to a lower side of each of the plurality of driving power lines PL connected to each of the plurality of first divided common lines CDL1. The fourth divided common line CDL4 is included in the remaining group not connected to the third divided common line CDL3 among the two adjacent groups PLG connected to the first divided common line CDL1. Commonly connected below each of the plurality of driving power lines PL. Accordingly, each of the plurality of groups PLG is connected in a zigzag form to the first and second driving power supply common lines CPL1 CPL2.

The organic light emitting diode display of the present invention including the first and second driving power supply common lines CPL1 and CPL2 according to the modification described above includes a divided common line CDL1 having a plurality of driving power lines PL. Combustion generated in the drive power source common lines CPL1 and CPL2 by zigzag connection by the CDL2, CDL3, and CDL4 connected to the first and second drive power supply common lines CPL1 and CPL2 in a zigzag form. (Burning) can prevent the spread of phenomenon.

Meanwhile, in the above-described organic light emitting diode display devices, each of the plurality of first and second gate drivers 130a and 130b may include a gate flexible circuit film 131 and a gate driver integrated circuit 133. As described above, the present invention is not limited thereto, and each of the plurality of first and second gate drivers 130a and 130b includes only the gate driving integrated circuit 133 to have a chip on glass (COG) structure. Non-display of left and right sides of the first substrate 112 to be mounted on the first substrate 112 to be connected to one gate pad portion PP2 or to have a gate in panel (GIP) structure together with the thin film transistor manufacturing process of each pixel. It can be formed in the area. In this case, each of the above-described first and second gate printed circuit boards 170a and 170b is omitted, and the gate control signal is formed on the data flexible circuit film or a separate gate signal transmission film and the first substrate 112. The gate driving integrated circuit 133 may be supplied to the gate driving integrated circuit 133 through a gate control signal transmission line.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical matters of the present invention. It will be evident to those who have knowledge of.

110: display panel 120: data driver
130a and 130b: gate driver 140: upper driving power supply member
150: lower drive power supply member 160: data printed circuit board
180: driving power transmission substrate 190: control board

Claims (10)

A display panel including a plurality of pixels intersecting each other, a plurality of gate lines, and a plurality of pixels formed for each pixel area defined by a plurality of driving power lines parallel to the plurality of data lines;
A plurality of data drivers for converting display data into data voltages and supplying the data voltages to the plurality of data lines according to data control signals;
A plurality of gate drivers configured to generate gate pulses according to gate control signals and supply the gate pulses to the plurality of gate lines;
A plurality of upper driving power supply members for supplying driving power to each of the plurality of driving power lines;
A plurality of lower drive power supply members for supplying drive power to each lower side of each of the plurality of drive power lines;
A data printed circuit board connected to each of the plurality of data drivers; And
A timing controller which generates the data control signal and the gate control signal and supplies the display data to the plurality of data drivers, and generates and supplies the driving power to each of the plurality of lower driving power supply members, and simultaneously prints the data. And a control board including a power supply unit supplying each of the plurality of upper driving power supply units through a circuit board.
The display panel,
A first substrate including a display area having the plurality of pixels, an upper non-display area defined above the display area, and a lower non-display area defined below the display area; And
A second substrate opposed to the first substrate,
The first substrate,
A first driving power common line formed in the upper non-display area and commonly connected to an upper side of each of the plurality of driving power lines and commonly connected to each of the plurality of upper driving power supply members; And
An organic light emitting display device formed in the lower non-display area and including a second driving power supply common line commonly connected to a lower side of each of the plurality of driving power supply lines and commonly connected to each of the plurality of lower driving power supply members; . The method of claim 1,
The first substrate,
A plurality of data pads formed in the upper non-display area and connected to the plurality of data lines;
A plurality of upper driving power pad units formed in the upper non-display area and having a plurality of upper driving power pads connected to each of the plurality of upper driving power supply members and commonly connected to the first driving power common line; And
And a plurality of lower driving power pad portions formed in the lower non-display area and having a plurality of lower driving power pads connected to each of the plurality of lower driving power supply members and commonly connected to the second driving power common line. OLED display. A display panel including a plurality of pixels intersecting each other, a plurality of gate lines, and a plurality of pixels formed for each pixel area defined by a plurality of driving power lines parallel to the plurality of data lines;
A plurality of data drivers for converting display data into data voltages according to a data control signal and supplying them to the plurality of data lines, and supplying driving power to each of the plurality of driving power lines;
A plurality of gate drivers configured to generate gate pulses according to gate control signals and supply the gate pulses to the plurality of gate lines;
A plurality of lower drive power supply members for supplying drive power to each lower side of each of the plurality of drive power lines;
A data printed circuit board connected to each of the plurality of data drivers; And
A timing controller which generates the data control signal and the gate control signal and supplies the display data to the plurality of data drivers, and generates and supplies the driving power to each of the plurality of lower driving power supply members, and simultaneously prints the data. It includes a control board including a power supply unit for supplying the plurality of data driver through a circuit board,
The display panel,
A first substrate including a display area having the plurality of pixels, an upper non-display area defined above the display area, and a lower non-display area defined below the display area; And
A second substrate opposed to the first substrate,
The first substrate,
A first driving power common line formed in the upper non-display area and commonly connected to each of the plurality of driving power lines and commonly connected to each of the plurality of data driving units; And
An organic light emitting display device formed in the lower non-display area and including a second driving power supply common line commonly connected to a lower side of each of the plurality of driving power supply lines and commonly connected to each of the plurality of lower driving power supply members; . The method of claim 3, wherein
The first substrate,
A plurality of data pads formed in the upper non-display area and including a plurality of data pads connected to the plurality of data lines and a plurality of upper driving power pads commonly connected to the first driving power common line; And
And a plurality of lower driving power pad portions formed in the lower non-display area and having a plurality of lower driving power pads connected to each of the plurality of lower driving power supply members and commonly connected to the second driving power common line. OLED display. The method of claim 4, wherein
Each of the plurality of data drivers,
A data flexible circuit film attached to the data pad part and the data printed circuit board;
A data driver integrated circuit mounted on the data flexible circuit film; And
And a plurality of driving power input lines formed on the data flexible circuit film and supplying the driving power supplied through the data printed circuit board to the plurality of upper driving power pads. The method according to any one of claims 1 to 5,
And a driving power transfer substrate connected to each of the plurality of lower driving power supply members and the control substrate and supplying the driving power from the power supply to each of the plurality of lower driving power supply members. . The method of claim 6,
And a plurality of signal transmission films connected between the driving power transmission substrate and the control substrate to transfer the driving power from the power supply to the driving power transmission substrate. The method according to any one of claims 2, 4, and 5,
Each of the plurality of lower drive power supply members,
A plurality of first connection protrusions attached to each of the plurality of lower driving power pad units; And
An organic light emitting display device comprising a plurality of second connection protrusions connected to the control substrate. The method according to any one of claims 1 to 5,
The first driving power supply common line includes a plurality of first divided common lines having a first length, and a second divided common line having a second length,
And the second driving power source common line includes a plurality of third divided common lines having the first length, and a fourth divided common line having the second length. The method according to any one of claims 2, 4, and 5,
Each of the first and second driving power source common lines has a plurality of divided common lines,
The plurality of driving power lines are divided into a plurality of groups, and one side of the plurality of driving power lines included in two adjacent groups is connected to one divided common line, and the other side of the plurality of driving power lines is divided into two common groups. An organic light emitting display device connected to the line.

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