CN1734542A - Organic light-emitting display device - Google Patents

Organic light-emitting display device Download PDF

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Publication number
CN1734542A
CN1734542A CNA2005100846961A CN200510084696A CN1734542A CN 1734542 A CN1734542 A CN 1734542A CN A2005100846961 A CNA2005100846961 A CN A2005100846961A CN 200510084696 A CN200510084696 A CN 200510084696A CN 1734542 A CN1734542 A CN 1734542A
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CN
China
Prior art keywords
display panel
voltage
printed circuit
circuit board
pcb
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Granted
Application number
CNA2005100846961A
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Chinese (zh)
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CN100463037C (en
Inventor
高春锡
金南德
高昺植
朱仁秀
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Samsung Display Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1734542A publication Critical patent/CN1734542A/en
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Publication of CN100463037C publication Critical patent/CN100463037C/en
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H10K59/1216—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being capacitors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10—Details of semiconductor or other solid state devices to be connected
    • H01L2924/11—Device type
    • H01L2924/12—Passive devices, e.g. 2 terminal devices
    • H01L2924/1204—Optical Diode
    • H01L2924/12044—OLED

Abstract

A kind of OLED comprises display panel, printed circuit board (PCB), signal transmission component and voltage transmission member.Display panel has viewing area and outer peripheral areas.Display panel is by organic illuminating element display image in the viewing area.Printed circuit board (PCB) is applied to drive signal and voltage on the display panel.Signal transmission component is electrically connected to display panel with printed circuit board (PCB), so that drive signal and voltage transmission are arrived display panel.Voltage transmission member arrives display panel with voltage transmission.Therefore, be applied to the magnitude of current increase of display panel.

Description

Organic light-emitting display device
Technical field
The present invention relates to organic light-emitting display device.The invention particularly relates to the organic light-emitting display device that drive current is increased.
Background technology
In general, organic light-emitting display device (" OLED ") utilizes fluorescence organic compound, response to produce light from the drive current of OLED outside, and come display image by driving N * M organic light-emitting units.Organic light-emitting units includes OLED and switchgear.Organic Light Emitting Diode has anode layer, organic light emission thin layer and cathode layer.Switchgear is applied to Organic Light Emitting Diode with drive current.
OLED comprises: the display panel with organic light-emitting units; Signal and common electric voltage Vcom are applied to the gate driving part of display panel; And the data-driven part that data-signal and source voltage Vdd is applied to display panel.
Gate driving partly comprises grid drive chip and gate pcb (" PCB ").Data-driven partly has data driving chip and data PCB.Grid PCB is electrically connected to display panel by grid carrier band encapsulation (" TCP ").Data PCB is electrically connected to display panel by data TCP.
And common electric voltage Vcom is applied to display panel by the voltage supply line that is formed on the grid TCP.Source voltage Vdd is applied to display panel by the voltage supply line that is formed on the data TCP.
When the size of display panel increased, OLED needed the common electric voltage Vcom and the source voltage Vdd of big level.
Therefore, by the common electric voltage Vcom and the source formed magnitude of current of voltage Vdd that are applied on the display panel by the voltage supply line that is formed on grid TCP and the data TCP is limited, and the insufficient common electric voltage Vcom of level and source voltage Vdd are applied to display panel.
Summary of the invention
The invention provides organic light-emitting display device (" OLED "), so that drive current more effectively is applied to organic illuminating element.
In one exemplary embodiment, OLED comprises display panel, first printed circuit board (PCB), a plurality of first signal transmission component and first voltage transmission member.Display panel has viewing area and a plurality of outer peripheral areas.Display panel by organic illuminating element at the viewing area display image.First printed circuit board (PCB) is close in the outer peripheral areas.First printed circuit board (PCB) is applied to display panel with first drive signal and voltage.First signal transmission component is electrically connected to display panel with first printed circuit board (PCB), so that first drive signal and voltage transmission are arrived display panel.First voltage transmission member arrives display panel with voltage transmission.
In another exemplary embodiment, OLED comprises display panel, first printed circuit board (PCB) and first voltage transmission member.Display panel has viewing area, first outer peripheral areas, second outer peripheral areas, the 3rd outer peripheral areas and region all round.The contiguous viewing area of first to fourth outer peripheral areas.Display panel is by organic illuminating element display image in the viewing area.First printed circuit board (PCB) contiguous first, second, third and the is in the region all round.First printed circuit board (PCB) is applied to display panel with first drive signal.First voltage transmission member is first, second, third and all round on another outer peripheral areas in the region.First voltage transmission member is applied to display panel with voltage.
In another exemplary embodiment, OLED comprises display panel, first printed circuit board (PCB) and first voltage transmission member.Display panel has viewing area, first outer peripheral areas, second outer peripheral areas, the 3rd outer peripheral areas and region all round.The contiguous viewing area of first to fourth outer peripheral areas.Display panel is by the organic illuminating element display image.Contiguous first outer peripheral areas of first printed circuit board (PCB).First printed circuit board (PCB) is applied to display panel with first drive signal and first voltage.Contiguous second outer peripheral areas of second printed circuit board (PCB).Second printed circuit board (PCB) is applied to display panel with second drive signal and second voltage.First signal transmission component, first distance separated from one another.First signal transmission component is electrically connected to display panel with first printed circuit board (PCB).Secondary signal transmission part second distance separated from one another.The secondary signal transmission part is electrically connected to display panel with second printed circuit board (PCB).First voltage transmission member is arranged between first signal transmission component.First voltage transmission member is applied to display panel with first voltage.Second voltage transmission member is arranged between the secondary signal transmission part.Second voltage transmission member is applied to display panel with second voltage.
In another exemplary embodiment, organic light-emitting display device comprises display panel, drive signal is transferred to the signal transmission component of display panel and separate with signal transmission component and only with the voltage transmission member of voltage transmission to display panel.
Therefore, OLED is included between the signal transmission component or the voltage transmission member between third and fourth outer peripheral areas, and making is increased by the formed magnitude of current of voltage that is applied on the display panel.In addition, the level that is applied on the display panel increases.And, improved the reliability of display panel.
Description of drawings
By being described in detail with reference to the attached drawings exemplary embodiment, above-mentioned and other feature and advantage of the present invention will become obviously, wherein:
Fig. 1 is the organic light-emitting display device (" plan view of the exemplary embodiment of OLED ");
Fig. 2 is the cut-open view of OLED shown in Figure 1;
Fig. 3 is the cut-open view of getting along Fig. 1 center line I-I ';
Fig. 4 is the plan view that exemplary second outer peripheral areas of display panel among Fig. 1 is shown;
Fig. 5 is the cut-open view of getting along Fig. 4 center line II-II ';
Fig. 6 is the plan view that another exemplary embodiment of OLED is shown;
Fig. 7 is exemplary the 3rd outer peripheral areas and exemplary plan view of region all round that display panel among Fig. 6 is shown; And
Fig. 8 illustrates the plan view of another exemplary embodiment of OLED.
Embodiment
Here, with preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.In the accompanying drawings, for the sake of clarity, thickness, film and the zone of layer are exaggerated.Identical in the drawings Reference numeral is represented components identical.Be appreciated that can perhaps also can there be intermediary element in it directly on another element when being called as on " at (ON) " another element such as elements such as layer, film, zone or substrates.
Fig. 1 is the plan view of the exemplary embodiment of organic light-emitting display device (" OLED ").
With reference to figure 1, OLED comprises: the display panel 100 of display image; Data-signal and source voltage Vdd are applied to data-driven part 200 on the display panel 100 that is used for display image; Signal and common electric voltage Vcom are applied to gate driving part 300 on the display panel 100 that is used for display image; Source voltage Vdd is applied to first flexible printed circuit board 400 on the data-driven part 200; And common electric voltage Vcom is applied to second flexible printed circuit board 500 on the gate driving part 300.Should be appreciated that a plurality of relevant with data-driven part 200 and gate driving part 300 respectively flexible printed circuit boards 400 and 500 can be arranged.
Display panel 100 comprises the region PA4 all round of the 3rd outer peripheral areas PA3 of the second outer peripheral areas PA2 of the first outer peripheral areas PA1 of viewing area DA, contiguous viewing area DA first side, contiguous viewing area DA second side and the contiguous first outer peripheral areas PA1, one side, contiguous viewing area DA the 3rd side and the contiguous first outer peripheral areas PA1 opposite side and contiguous viewing area DA the 4th side.The first and the 4th side of viewing area DA can be parallel to each other, and the second and the 3rd side of viewing area DA can be parallel to each other.All round region PA4 between the second and the 3rd outer peripheral areas PA2 and PA3.The 3rd outer peripheral areas PA3 is roughly parallel to the second outer peripheral areas PA2.Similarly, all round region PA4 be roughly parallel to the first outer peripheral areas PA1.
A plurality of data line DL and a plurality of grid G are L shaped to be become in the DA of viewing area, wherein for the sake of clarity, has only an example data line DL and gate lines G L to be illustrated.Data line DL extends along first direction, and gate lines G L extends along the second direction that is approximately perpendicular to first direction.Data line DL can be parallel to the first and the 4th side of viewing area DA, and gate lines G L can be parallel to the second and the 3rd side of viewing area DA.Pixel region is restricted to the matrix shape on the zone that data line DL located adjacent one another and gate lines G L are limited.Although have only a pixel region to be described in the text, yet, should be appreciated that viewing area DA comprises a plurality of pixel regions.
Organic illuminating element is in each pixel region.Organic illuminating element comprises: the first film transistor (" TFT ") 110, described the first film transient response are from the signal of gate lines G L and be activated or close; Be arranged on the energy-storage capacitor Cst between a TFT110 and the source pressure-wire; Organic light emission (" organic EL ") diode 120, described Organic Light Emitting Diode 120 response drive current emission light; And be arranged on the 2nd TFT130 between source pressure-wire and the energy-storage capacitor Cst, so that control is applied to the drive current of organic EL diode 120.In the exemplary embodiment, organic EL diode 120 receives common electric voltage Vcom by its negative electrode 124 (Fig. 2).
When a TFT110 was unlocked, the 2nd TFT130 response was unlocked from the data-signal of data line DL, and like this, the 2nd TFT130 provides drive current to organic EL diode 120.And, organic EL diode 120 emissions and the corresponding light of drive current that is applied to by the 2nd TFT130 on organic EL diode 120.
That is, when forward current is applied on organic EL diode 120, as shown in Figure 2, be arranged on luminescent layer 123 between anode 122 and the negative electrode 124 and receive, and positive charge combines with electronics from the positive charge of anode 122 with from the electronics of negative electrode 124.When positive charge combined with electronics, organic EL diode 120 was luminous.First and second TFT110 and 130 are used separately as switchgear and current control device.The one TFT110 and the 2nd TFT130 can be N type metal oxide semiconductor (" MOS ") transistor or P type MOS transistor, wherein the concentration of electronics is higher than the concentration in hole in the N type MOS transistor, and the concentration in hole is higher than the concentration of electronics in the P type MOS transistor.
Fig. 2 is the cut-open view of OLED shown in Figure 1.
Comprise that with reference to figure 2, the one TFT110 first grid electrode 111, the first semiconductor pattern C1, first etching stop pattern 112, the first source electrode 113 and first drain electrode 114.
As the first semiconductor pattern C1 of a TFT110 part on first grid electrode 111, and insulation course 140 and first grid electrode 111 electrical isolations by having insulating material.The same as will be described further, insulation course 140 covers first grid electrode 111, second gate electrode 131 of the 2nd TFT130 and first electrode 150 of energy-storage capacitor Cst of a TFT110.And the first semiconductor pattern C1 comprises first amorphous silicon pattern 115, a n +Amorphous silicon pattern 116 and the 2nd n +Amorphous silicon pattern 117.
In the exemplary embodiment, form first amorphous silicon pattern 115 by on amorphous silicon layer, forming pattern.And, by forming pattern and form a n being doped with on the amorphous silicon layer of alloy +Amorphous silicon pattern 116 and the 2nd n +Amorphous silicon pattern 117.Be that amorphous silicon layer can be mixed with impurity and be formed pattern to form first amorphous silicon pattern 115, a n alternatively +Amorphous silicon pattern 116 and the 2nd n +Amorphous silicon pattern 117.
First etching stops pattern 112 to be formed on first amorphous silicon pattern 115, and first etching stops the end relatively of pattern 112 partly by a n +Amorphous silicon pattern 116 and the 2nd n +Amorphous silicon pattern 117 covers.Like this, first etching stops the end of pattern 112 between first and second n +Between the amorphous silicon pattern 116 and 117 and first amorphous silicon pattern 115.The one n +Amorphous silicon pattern 116 and the 2nd n +Amorphous silicon pattern 117 is formed on first amorphous silicon pattern 115, except a part that covers the end portion that first etching stops pattern 112.First etching prevention pattern 112 protections, first amorphous silicon pattern 115 is not subjected to the effect of etchant, wherein a n +Amorphous silicon pattern 116 and the 2nd n +Amorphous silicon pattern 117 forms pattern by etchant.
The 2nd TFT130 comprises that second gate electrode 131, the second semiconductor pattern C2, second etching stop pattern 132, the second source electrode 133 and second drain electrode 134.Second gate electrode 131 is electrically connected to first drain electrode 114 of a TFT110 by connection electrode 121, below will further describe.
The second semiconductor pattern C2 of the 2nd TFT130 is on second gate electrode 131, and by insulation course 140 and second gate electrode, 131 electrical isolations.And the second semiconductor pattern C2 comprises second amorphous silicon pattern 135, the 3rd n +Amorphous silicon pattern 136 and the 4th n +Amorphous silicon pattern 137.
In the exemplary embodiment, form second amorphous silicon pattern 135 by form pattern on amorphous silicon layer, described amorphous silicon layer can be identical with the amorphous silicon layer that is used to form first amorphous silicon pattern 115.By forming pattern and form the 3rd n being doped with on the amorphous silicon layer of conductive dopant +Amorphous silicon pattern 136 and the 4th n +Amorphous silicon pattern 137, described amorphous silicon layer can be used to form first and second n +The amorphous silicon layer of amorphous silicon pattern 116,117 is identical.The second semiconductor pattern C2 is formed by the layer identical with the first semiconductor pattern C1.Second etching stops pattern 132 to be formed on second amorphous silicon pattern 135, and second etching stops the terminal relatively by the 3rd n of pattern 132 +Amorphous silicon pattern 136 and the 4th n +Amorphous silicon pattern 137 covers.That is, second etching stops the end portion of pattern 132 between third and fourth n +Between the amorphous silicon pattern 136,137 and second amorphous silicon pattern.The 3rd n +Amorphous silicon pattern 136 and the 4th n +Amorphous silicon pattern 137 is formed on second amorphous silicon pattern 135.And second etching prevention pattern 132 protections, second amorphous silicon pattern 135 is not subjected to the effect of etchant, wherein the 3rd n +Amorphous silicon pattern 136 and the 4th n +Amorphous silicon pattern 137 forms pattern by described etchant.
Energy-storage capacitor Cst comprises first electrode 150 that is electrically connected to second gate electrode 131, and second electrode 151 that is electrically connected to the source pressure-wire.Insulation course 140 is between first electrode 150 and second electrode 151.
And organic EL diode 120 comprises connection electrode 121, anode 122, organic luminous layer 123 and negative electrode 124.Display panel 100 also comprises first insulating intermediate layer 160 and second insulating intermediate layer 170.First insulating intermediate layer 160 overlays on the exposed surface of a TFT110, the 2nd TFT130 and energy-storage capacitor Cst.Second insulating intermediate layer 170 covers on the exposed surface of connection electrode 121, anode 122 and first insulating intermediate layer 160.
By being formed on the connecting hole that is used for first drain electrode 114 and the connecting hole that is used for second gate electrode 131 that is formed on first insulating intermediate layer 160 and insulation course 140 in first insulating intermediate layer 160, connection electrode 121 is connected to first drain electrode 114 of a TFT110 second gate electrode 131 of the 2nd TFT130.Connection electrode 121 comprises the material roughly the same with the material of anode 122.
Anode 122 is electrically connected to second drain electrode 134 of the 2nd TFT130, to receive the drive current from the source pressure-wire.Anode 122 is electrically connected to second drain electrode 134 by the connecting hole that connects first insulating intermediate layer, 160 to second drain electrodes 134 and form.Anode 122 also comprises the conductive material of printing opacity, such as, but not limited to indium tin oxide (" ITO "), indium-zinc oxide (" IZO ") or the like.
Organic luminous layer 123 comprises red luminous organic material, green luminous organic material or blue organic luminous material.Organic luminous layer 123 is arranged between anode 122 and the negative electrode 124.Organic luminous layer 123 is connected to anode 122 by the connecting hole that is formed in second insulating intermediate layer 170.
Negative electrode 124 covers second insulating intermediate layer 170 and organic luminous layer 123.Negative electrode 124 is faced anode 122, and comprises having low-resistance aluminium Al or aluminium alloy.
Although for the sake of clarity and not illustrate, negative charge jetted layers, negative charge transport layer, positive charge transport layer and positive carrier jetted layers are arranged between negative electrode 124 and the anode 122.Optionally, the color filter (not shown) can be formed on the negative electrode 124.
With reference to figure 1, data-driven part 200 comprises a plurality of data driving chip 210 and data pcb 220.Data pcb 220 encapsulates (" TCP ") 230 by a plurality of data carrier bands and is electrically connected to display panel 100.Each data driving chip 210 can be formed on the data TCP230.
Data TCP230 is spaced apart from each other along the first outer peripheral areas PA1 of display panel 100.The first end of each data TCP230 is connected to the first outer peripheral areas PA1.The second end of each data TCP230 is connected to data pcb 220.The first end of data TCP230 and the second end are connected to display panel 100 and data pcb 220 respectively by anisotropic conducting film (" ACF ").In the exemplary embodiment, data driving chip 210 is separately positioned on the data TCP230.Among the data TCP230 each comprises source voltage supply line 240, is used for source voltage Vdd is applied to display panel 100 from data pcb 220.Source voltage supply line 240 can be positioned in the surface in the face of the data TCP230 of ACF, is used for by ACF source voltage supply line 240 being electrically connected to display panel 100.
First flexible printed circuit board 400 is arranged between the adjacent data TCP230.That is, the first of first flexible printed circuit board 400 is connected to the first outer peripheral areas PA1 that is arranged between the adjacent data TCP230, and the second portion of first flexible printed circuit board 400 is connected to data pcb 220.The first end of first flexible printed circuit board 400 and the second end are connected to display panel 100 and data pcb 220 respectively by ACF.Although the alternating pattern of data TCP230, first flexible printed circuit board 400, data TCP230, first flexible printed circuit board 400 etc. is illustrated, yet, should be appreciated that, be used to place the alternating pattern of first flexible printed circuit board 400 relevant also in the scope of these embodiment with data TCP230.
ACF comprises the resin that is used for two adhesions between the element and is distributed in a plurality of conducting spheres of resin.When hardening of resin, conducting sphere is electrically connected to each other, thereby the electrical connection between two elements that adhere to each other is provided.
In the exemplary embodiment, first flexible printed circuit board 400 comprises plurality of source voltages therein supply line (not shown), is used for the source voltage Vdd from data pcb 200 is applied to display panel 100.Optionally, first flexible printed circuit board 400 can include only a source voltage supply line.When 400 of first flexible printed circuit boards had a source voltage supply line, the width of the signal source voltage supply line in first flexible printed circuit board 400 was wideer than each the width in other source voltage supply lines (such as source voltage supply line 240) that are arranged among the OLED.Optionally, the width of the source voltage supply line in first flexible printed circuit board 400 can be substantially equal to the summation of the width of each source voltage supply line.
By being applied to the formed magnitude of current of source voltage Vdd on the display panel 100 through first flexible printed circuit board 400 and data TCP230 greater than the magnitude of current that only is applied to the source voltage Vdd on the display panel 100 separately by data TCP230.In the exemplary embodiment, the source voltage Vdd from the data TCP230 and first flexible printed circuit board 400 is applied on the source electrode 133 of the 2nd TFT130 in the display panel 100, as shown in Figure 2.
Gate driving part 300 comprises a plurality of grid drive chip 310 and gate pcb 320.Gate pcb 320 is electrically connected to display panel 100 by a plurality of grid TCP330.Each grid drive chip 310 can be positioned on the grid TCP330.
Grid TCP330 is spaced apart from each other along the second outer peripheral areas PA2 of display panel 100.The first end of each grid TCP330 is connected to the second outer peripheral areas PA2.The second end of each grid TCP330 is connected to gate pcb 320.The first end of grid TCP330 and the second end are connected to display panel 100 and data pcb 320 respectively by ACF.In the exemplary embodiment, grid drive chip 310 is separately positioned on the grid TCP330.
Among the grid TCP330 each comprises common electric voltage supply line 340, is used for by ACF common electric voltage Vcom being applied to display panel 100 from gate pcb 320.
Second flexible printed circuit board 500 is arranged between the adjacent grid TCP330.That is, the first of second flexible printed circuit board 500 is connected to the second outer peripheral areas PA2 that is arranged between the neighboring gates TCP330, and the second portion of second flexible printed circuit board 500 is connected to gate pcb 320.The first end of second flexible printed circuit board 500 and the second end are connected to display panel 100 and gate pcb 320 respectively by ACF.Although the alternating pattern of grid TCP330, second flexible printed circuit board 500, grid TCP330, second flexible printed circuit board 500 etc. is illustrated, yet, should be appreciated that, be used to place the alternating pattern of second flexible printed circuit board 500 relevant also in the scope of these embodiment with grid TCP330.
In the exemplary embodiment, second flexible printed circuit board 500 comprises plurality of source voltages therein supply line (not shown), is used for the common electric voltage Vcom from gate pcb 320 is applied to display panel 100.Second flexible printed circuit board 500 can include only a common electric voltage supply line.When 500 of second flexible printed circuit boards had a common electric voltage supply line, the width of the common electric voltage supply line in second flexible printed circuit board 500 was wideer than each the width in the common electric voltage supply line (such as common electric voltage supply line 340) that is arranged among the OLED.Optionally, the width of the common electric voltage supply line in second flexible printed circuit board 500 can be substantially equal to the summation of the width of each common electric voltage supply line 340.
By being applied to the formed magnitude of current of common electric voltage Vcom on the display panel 100 through second flexible printed circuit board 500 and grid TCP330 greater than only being applied to the formed magnitude of current of common electric voltage Vcom on the display panel by grid TCP330 separately.Common electric voltage Vcom is applied to the negative electrode 124 of organic EL diode 120, as shown in Figure 2.
In first and second flexible printed circuit boards 400 and 500 each has various attributes, such as than TCP230 and 330 high electric conductivity, current path of broad or the like, thus will be than applying more electric current by TCP230,330 situation separately.That is, when first and second flexible printed circuit boards 400 and 500 were used in combination with TCP230 and 330, more electric current was applied on the display panel 100.
Fig. 3 is the cut-open view of getting along Fig. 1 center line I-I '.
With reference to figure 3, source voltage electrode pad 260 is on the first outer peripheral areas PA1 of display panel 100, and can be positioned in the zone corresponding, can also be positioned to be electrically connected to the source voltage supply line 240 that is arranged on the data TCP230 with the position of first flexible printed circuit board 400.Like this, although have only a source voltage electrode pad 260 to be illustrated, yet, in outer peripheral areas PA1, plurality of source voltages therein electrode pad 260 can be arranged.Pad passivation layer 250 is on source voltage electrode pad 260.Pad passivation layer 250 is electrically connected to source voltage electrode pad 260 by first contact hole 280, and wherein the part by removing first insulating intermediate layer 160 on the source voltage electrode pad 260 and the part of second insulating intermediate layer 170 form first contact hole 280.
Source voltage electrode pad 260 is electrically connected to the source pressure-wire in the display panel 100 of Fig. 1, and comprises the material roughly the same with the material of source pressure-wire.Source voltage electrode pad 260 can be formed by the layer identical with the source pressure-wire.And the source pressure-wire comprises the roughly the same material of material with the second source electrode 133 of the 2nd TFT130.The source pressure-wire can be formed by the layer identical with the second source electrode 133.Like this, source voltage electrode pad 260 comprises the material roughly the same with the second source electrode 133 of the 2nd TFT130, such as metal etc.Source voltage electrode pad 260 can be formed by the layer identical with the second source electrode 133.Optionally, source voltage electrode pad 260 can comprise and second drain electrode 134 of the 2nd TFT130 or the roughly the same material of second gate electrode 131, such as metal etc.Source voltage electrode pad 260 can be formed by the layer identical with second gate electrode 131 and/or second drain electrode 134.
Pad passivation layer 250 comprises ITO or IZO, and the anode 122 employed materials of itself and organic EL diode 120 are roughly the same.Pad passivation layer 250 can be formed by the layer identical with anode 122.
Insulation course 140 can be called as gate insulator, because it covers first and second gate electrodes 111,131 and makes their insulation.
First flexible printed circuit board 400 comprises first base film 410 and at least one source voltage supply line 420.In the exemplary embodiment, first flexible printed circuit board 400 is electrically connected to source voltage electrode pad 260 by ACF600.ACF600 has a plurality of conducting spheres 610, is used to provide being electrically connected between source voltage electrode pad 260 and at least one source voltage supply line 420.
That is, source voltage supply line 420 is electrically connected to source voltage electrode pad 260 by the conducting sphere 610 of pad passivation layer 250 and ACF600.
Like this, be applied to pad passivation layer 250 from the source voltage Vdd of the data pcb 220 source voltage supply line 420 by first flexible printed circuit board 400.The source voltage Vdd that is applied to pad passivation layer 250 is applied to electrode pad 260.The source voltage that is applied to electrode pad 260 is applied to the second source electrode 133 of the 2nd TFT130 by the source pressure-wire.Source voltage Vdd can be applied in by source voltage supply line 240 similarly.
Fig. 4 is the planimetric map of the exemplary second outer peripheral areas PA2 of display panel 100 among Fig. 1.Fig. 5 is the cut-open view of getting along Fig. 4 center line II-II '.
With reference to Figure 4 and 5, a plurality of public electrode pads 550 are arranged on the second outer peripheral areas PA2 of display panel 100.Public electrode pad 550 is electrically connected to negative electrode 124 by the second contact hole 560a, the 3rd contact hole 560b, the 4th contact hole 560c and the 5th contact hole 560d, wherein second, third, the 4th and the 5th contact hole 560a-560d is positioned near first side of public electrode pad 550.
Public electrode pad 550 comprises respectively and the gate electrode 111 of first and second TFT110 and 130 and 131 the roughly the same material of material.Public electrode pad 550 can be additionally formed by the layer identical with the gate electrode 111 of first and second TFT110 and 130 and 131 respectively.
By removing the corresponding part of the first end with public electrode pad 550 of first insulating intermediate layer 160 and second insulating intermediate layer 170, form the second contact hole 560a, the 3rd contact hole 560b, the 4th contact hole 560c and the 5th contact hole 560d.The first end of public electrode pad 550 is exposed by the second contact hole 560a, the 3rd contact hole 560b, the 4th contact hole 560c and the 5th contact hole 560d.Like this, negative electrode 124 is formed on the first end of public electrode pad 550 by contact hole 560a, 560b, 560c and 560d.
By removing the corresponding part of the second end with public electrode pad 550 of first insulating intermediate layer 160 and second insulating intermediate layer 170, the 6th contact hole 570 is formed in each public electrode pad 550.The second end of public electrode pad 550 can be arranged under second flexible printed circuit board 500 and the grid TCP330.That is, the side of second flexible printed circuit board 500 and grid TCP330 covers the second end of public electrode pad 550.The second end of public electrode pad 550 comes out by the 6th contact hole 570.In the exemplary embodiment, public electrode pad passivation layer 580 is formed on the second end of public electrode pad 550 by covering the 6th contact hole 570.Public electrode pad passivation layer 580 comprises ITO or IZO, and the material of the anode 122 of organic EL diode 120 of itself and Fig. 2 is roughly the same.In addition, public electrode pad passivation layer 580 can be formed by the layer identical with anode 122.
Second flexible printed circuit board 500 comprises second base film 510 and at least one common electric voltage supply line 520.Each second flexible printed circuit board 500 is electrically connected to the second end of one of public electrode pad 550 by ACF590.
That is, each second flexible printed circuit board 500 is electrically connected to the second end of one of public electrode pad 550 by common electric voltage supply line 520, public electrode pad passivation layer 580 and ACF590.
Like this, be applied to the second end of public electrode pad 550 by second flexible printed circuit board 500 from the common electric voltage Vcom of gate pcb 320.The common electric voltage Vcom that is applied to public electrode pad 550 is applied to by contact hole 560 and is electrically connected on the electrode 124 of first end of public electrode pad 550.In addition, the common electric voltage Vcom from gate pcb 320 can be passed to display panel 100 by the common electric voltage supply line 340 that is arranged on the grid TCP330 similarly.
In the exemplary embodiment, a plurality of the 6th contact holes 570 and a plurality of public electrode pad passivation layer 580 are formed between the common electric voltage supply line 340 and public electrode pad 550 of grid TCP330, make the common electric voltage supply line 340 of grid TCP330 be electrically connected to public electrode pad 550 in the similar mode of mode that is electrically connected to public electrode pad 550 with second flexible printed circuit board 550.
As mentioned above, OLED comprises at least one in first flexible printed circuit board 400, make with do not have first flexible printed circuit board 400 at least one OLED compare, the formed magnitude of current of source voltage Vdd that is applied on the display panel 100 increases.
And OLED comprises at least one in second flexible printed circuit board 500, make with do not have second flexible printed circuit board 500 at least one OLED compare, the formed magnitude of current of common electric voltage Vcom that is applied on the display panel 100 increases.
And public electrode pad 550 can comprise respectively and the drain electrode 114,134 of the first or the 2nd TFT110 or 130 or the roughly the same material of material of source electrode 113,133, such as metal etc.In addition, public electrode pad 550 can be formed by the layer identical with drain electrode 114,134 and/or source electrode 113,133.
Fig. 6 is the plan view of another exemplary embodiment of OLED.
With reference to figure 6, OLED comprises that display panel 100, data-driven part 200, gate driving part 300, first voltage are supplied with printed circuit board (PCB) 700 and second voltage is supplied with printed circuit board (PCB) 800.
Display panel 100 comprises the region PA4 all round of the 3rd outer peripheral areas PA3 of the second outer peripheral areas PA2 of the first outer peripheral areas PA1 of viewing area DA, contiguous viewing area DA first side, contiguous viewing area DA second side and the contiguous first outer peripheral areas PA1, one side, contiguous viewing area DA the 3rd side and the contiguous first outer peripheral areas PA1 opposite side and contiguous viewing area DA the 4th side.The first and the 4th side of viewing area DA is almost parallel each other, and the second and the 3rd side of viewing area DA almost parallel each other.All round region PA4 between the second and the 3rd outer peripheral areas PA2 and PA3.The 3rd outer peripheral areas PA3 is roughly parallel to the second outer peripheral areas PA2.Similarly, all round region PA4 be roughly parallel to the first outer peripheral areas PA1.
Display panel 100, data-driven part 200 and gate driving part 300 are identical with previous embodiment.Like this, identical Reference numeral be used to represent with previous embodiment in the identical or similar parts of those parts described, and will omit further and explain.
First voltage is supplied with the 3rd side of printed circuit board (PCB) 700 contiguous the 3rd outer peripheral areas PA3 and viewing area DA, and can be spaced apart with the 3rd outer peripheral areas PA3.First voltage supply with printed circuit board (PCB) 700 can along the 3rd side that is roughly parallel to viewing area DA and with the isolated direction longitudinal extension of the 3rd side.First voltage is supplied with printed circuit board (PCB) 700 and by the 3rd outer peripheral areas PA3 source voltage Vdd is conducted to display panel 100.First voltage is supplied with printed circuit board (PCB) 700 by being electrically connected to display panel 100 along the 3rd side that is roughly parallel to viewing area DA and with first flexible printed circuit board 710 of the isolated direction longitudinal extension of the 3rd side.
The first end of first flexible printed circuit board 710 is connected to the 3rd outer peripheral areas PA3, and the second end of first flexible printed circuit board 710 is connected to first voltage and supplies with printed circuit board (PCB) 700.Like this, first flexible printed circuit board 710 is supplied with printed circuit board (PCB) 700 with source voltage Vdd from first voltage and is applied to display panel 100.
And first flexible printed circuit board 710 contacts with the 3rd outer peripheral areas PA3.Contact length between first flexible printed circuit board 710 and the 3rd outer peripheral areas PA3 can with near the same length of the 3rd side of viewing area DA the 3rd outer peripheral areas PA3.
In the exemplary embodiment, first flexible printed circuit board 710 can comprise the plurality of source voltages therein supply line, perhaps as an alternative, can include only a source voltage supply line.When 710 of first flexible printed circuit boards had a source voltage supply line, the width of source voltage supply line was wideer than each the width in other source voltage supply lines (such as the source voltage supply line 240 that is arranged among the data TCP230) that are arranged among the OLED.Optionally, the width of the source voltage supply line in first flexible printed circuit board 710 can be substantially equal to the summation of the width of the source voltage supply line that is arranged among the data TCP230.Like this, by being applied to the formed magnitude of current of source voltage Vdd on the display panel 100 through first flexible printed circuit board 710 and data TCP230 greater than only being applied to the magnitude of current that the source voltage Vdd on the display panel 100 is produced by data TCP230 separately.
Second voltage supply with printed circuit board (PCB) 800 be arranged on all round region PA4 and viewing area DA the 4th side near, and can be with the region PA4 is spaced apart all round.Second voltage supply with printed circuit board (PCB) 800 can along the 4th side that is roughly parallel to viewing area DA and with the isolated direction longitudinal extension of the 4th side.Second voltage supply with printed circuit board (PCB) 800 by all round region PA4 common electric voltage Vcom is conducted to display panel 100.Second voltage is supplied with printed circuit board (PCB) 800 by being electrically connected to display panel 100 along the 4th side that is roughly parallel to viewing area DA and with second flexible printed circuit board 810 of the isolated direction longitudinal extension of the 4th side.
The first end of second flexible printed circuit board 810 is connected to the region PA4 all round, and the second end of second flexible printed circuit board 810 is connected to second voltage and supplies with printed circuit board (PCB) 800.Like this, second flexible printed circuit board 810 is supplied with printed circuit board (PCB) 800 with common electric voltage Vcom from second voltage and is applied to display panel 100.
And, second flexible printed circuit board 810 with all round region PA4 contact.Second flexible printed circuit board 810 and all round the contact length between the region PA4 can with near same length of the 4th side of the viewing area DA the region PA4 all round.
In the exemplary embodiment, second flexible printed circuit board 810 can comprise a plurality of common electric voltage supply lines, perhaps as an alternative, can include only a common electric voltage supply line.When 810 of second flexible printed circuit boards had a common electric voltage supply line, the width of the common electric voltage supply line in second flexible printed circuit board 810 was wideer than each the width in other common electric voltage supply lines (such as the common electric voltage supply line 340 that is arranged among the grid TCP330) that are arranged among the OLED.Optionally, the width of the common electric voltage supply line in second flexible printed circuit board 810 can be substantially equal to the summation of the width of the common electric voltage supply line that is arranged among the grid TCP330.Like this, by being applied to the formed magnitude of current of common electric voltage Vcom on the display panel 100 through second flexible printed circuit board 810 and grid TCP330 greater than only being applied to the magnitude of current that the common electric voltage Vcom on the display panel 100 is produced by grid TCP330 separately.
Fig. 7 is exemplary the 3rd outer peripheral areas PA3 and exemplary planimetric map of region PA4 all round of display panel among Fig. 6.
With reference to figure 7, plurality of source voltages therein electrode pad 720 makes source voltage Vdd from first flexible printed circuit board 710 be applied on the second source electrode 133 of the 2nd TFT130 of Fig. 2 on the 3rd outer peripheral areas PA3 of display panel 100.In the exemplary embodiment, source voltage electrode pad 720 is electrically connected to the source pressure-wire, makes source voltage Vdd be applied to the second source electrode 133 of the 2nd TFT130 by the source pressure-wire.
And a plurality of anodes 122 (Fig. 2) of organic EL diode 120 are electrically connected to each other by source pressure-wire and the line that the source pressure-wire is electrically connected to each other such as metal wire etc.Therefore, be applied to the source electrode 133 (Fig. 2) of the 2nd TFT130 from the source voltage Vdd of source voltage electrode pad 720.
First flexible printed circuit board 710 is electrically connected to source voltage electrode pad 720 by ACF.That is, the ACF with a plurality of conducting spheres is arranged under first flexible printed circuit board 710, makes the flexible printed circuit board 710 of winning be electrically connected to source voltage electrode pad 720 by conducting sphere, and wherein conducting sphere is arranged in the resin of ACF.
Like this, be applied to the second source electrode 133 of the 2nd TFT130 by source voltage electrode pad 720 from the source voltage Vdd of first voltage supply printed circuit board (PCB) 700.
Common electric voltage electrode pad 850 makes common electric voltage Vcom be applied on the negative electrode 124 of organic EL diode 120 at all round on the region PA4 of display panel 100.In the exemplary embodiment, common electric voltage electrode 850 is electrically connected to negative electrode 124 by contact hole 860.
The length of contact hole 860 and the is near the same length of the side of the negative electrode 124 the region PA4 all round.That is, the contact area between negative electrode 124 and common electric voltage electrode pad 850 can be increased because of the length increase of contact hole 860.Like this, when the contact area of negative electrode 124 and common electric voltage electrode pad 850 increased, the contact resistance between negative electrode 124 and the common electric voltage electrode pad 850 reduced, and made to increase by the formed magnitude of current of common electric voltage that is applied on the display panel 100.
In the exemplary embodiment, first flexible printed circuit board 710 is applied to display panel 100 with source voltage Vdd.Optionally, common electric voltage Vcom can be applied to display panel 100 by first flexible printed circuit board 710.
Second flexible printed circuit board 810 is applied to display panel 100 with common electric voltage Vcom.Optionally, voltage Vdd in source can be applied to display panel 100 by second flexible printed circuit board 810.
In the exemplary embodiment, the contact area between negative electrode 124 and the common electric voltage electrode pad 850 increases because of contact hole 860, and length that described contact hole 860 extends and negative electrode 124 are along the same length of viewing area DA the 4th side.Alternatively, perhaps additionally, the contact area between source voltage electrode pad 720 and first flexible printed circuit board 710 can be positioned by increase and be used for making the size of the contact hole that source voltage electrode pad 720 contacts with first flexible printed circuit board 710 to be increased.
OLED can also comprise one or more flexible printed circuit boards, such as first and second flexible printed circuit boards 400 and 500, they are arranged between the data TCP230 and/or between the grid TCP330, make can be increased by the source voltage Vdd that is applied to display panel 100 or the formed magnitude of current of common electric voltage Vcom.
In the exemplary embodiment, source voltage Vdd and common electric voltage Vcom are applied to display panel 100 by first and second flexible printed circuit boards 710 and 810 respectively.Be that source voltage Vdd and common electric voltage Vcom can only be applied to display panel 100 by first flexible printed circuit board 710 alternatively.Instead, perhaps additionally, source voltage Vdd and common electric voltage Vcom can be applied to display panel 100 by second flexible printed circuit board 810.
Fig. 8 is the planimetric map of another exemplary embodiment of OLED.
With reference to figure 8, OLED comprises that display panel 100, data-driven part 900, gate driving part 1000, first voltage are supplied with printed circuit board (PCB) 700 and second voltage is supplied with printed circuit board (PCB) 800.
As previously mentioned, first voltage is supplied with printed circuit board (PCB) 700 and is electrically connected to display panel 100 by first flexible printed circuit board 710.Second voltage is supplied with printed circuit board (PCB) 800 and is electrically connected to display panel 100 by second flexible printed circuit board 810.
First and second voltages among Fig. 8 supply with printed circuit board (PCB) 700 and 800 and first and second flexible printed circuit boards 710 with 810 with Fig. 6 and 7 in identical.Like this, identical Reference numeral will be used for the identical or like described in the presentation graphs 6 and 7, and will omit the further explanation about said elements.
Display panel 100 comprises viewing area DA, the first outer peripheral areas PA1, the second outer peripheral areas PA2, the 3rd outer peripheral areas PA3 and region PA4 all round.
A plurality of data line DL and a plurality of gate lines G are L shaped to be become in the DA of the viewing area of display panel 100, wherein for for simplicity, has only an example data line DL and an exemplary gate polar curve GL to be illustrated.Gate lines G L intersects with the data line DL that extends along roughly vertical with gate lines G L direction.Gate lines G L can be by being arranged on insulation course and data line DL insulation therebetween.Pixel region is limited on the zone that is limited by a pair of adjacent data line DL and a pair of adjacent gate polar curve GL with matrix shape.
Organic illuminating element is in pixel region.Organic illuminating element comprises a TFT110, energy-storage capacitor Cst, organic EL diode 120 and the 2nd TFT130.Organic illuminating element among Fig. 8 with the preceding embodiment in identical.Like this, identical Reference numeral will be used for representing aforesaid identical or like, and will omit the further explanation about said elements.
Data-driven part 900 comprises data driving chip 910 and data pcb 920.Data driving chip 910 is installed on the first outer peripheral areas PA1 that forms chip form.The end of data pcb 920 is connected near the end of the display panel 100 the first outer peripheral areas PA1 by ACF.Data driving chip 910 is electrically connected to the data line DL among the DA of viewing area.The picture signal that data driving chip 910 receives from data pcb 920 is to be applied to data line DL based on picture signal with first drive signal.
Gate driving part 1000 is formed by the layer identical with first and second TFT110 of display panel 100 and 130.Gate driving part 1000 and may be formed entirely among the second outer peripheral areas PA2 on the second outer peripheral areas PA2.Gate driving part 1000 is electrically connected to the gate lines G L among the DA of viewing area.In this exemplary embodiment, gate driving part 1000 is applied to gate lines G L with second drive signal.
In the exemplary embodiment, data driving chip 910 is chips.Alternatively, the data-driven part (not shown) that second drive signal is applied to gate lines G L can be formed by the layer identical with first and second TFT110 of display panel 100 and 130.This data-driven part can be on the first outer peripheral areas PA1, and to arrange with gate driving part 1000 similar modes.
According to exemplary embodiment, source voltage Vdd is applied to display panel 100 by first flexible printed circuit board 710, makes the amount that is applied to the source voltage Vdd on the display panel 100 increase.Common electric voltage Vcom is applied to display panel 100 by second flexible printed circuit board 810, makes the amount that is applied to the common electric voltage Vcom on the display panel 100 increase.
According to the present invention, flexible printed circuit board can be arranged between data TCP or the grid TCP.Be that flexible printed circuit board can be connected to the outer peripheral areas of display panel alternatively under the situation that does not have data TCP or grid TCP.Data and grid TCP are as signal transmission component, and described signal transmission component is used for circuit board is electrically connected to display panel, with drive signal and voltage transmission to display panel.Flexible printed circuit board is used for voltage transmission to display panel as voltage transmission member.
Like this, source voltage Vdd or common electric voltage Vcom are applied to display panel by TCP and flexible printed circuit board, make the magnitude of current that is applied on the organic illuminating element increase.
The size of the contact hole between the negative electrode of the electrode pad relevant with flexible printed circuit board and organic electrode light-emitting element can increase.That is, the size of the contact area between the negative electrode of the electrode pad relevant with flexible printed circuit board and organic electrode light-emitting element increases, and the feasible amount that is applied to the drive current of organic electrode light-emitting element can increase.
Although exemplary embodiment of the present invention is described, yet, be appreciated that, the present invention should not be limited to those illustrative embodiments, under the situation of the spirit and scope of the present invention that do not depart from following claim and limited, those of ordinary skills can carry out various changes and change.And any order or importance are not represented in the use of first, second grade of term, but be used for element is distinguished.

Claims (32)

1. organic light-emitting display device comprises:
Display panel, described display panel have viewing area and a plurality of outer peripheral areas, and described display panel is configured to by organic illuminating element display image in the viewing area;
First printed circuit board (PCB), described first printed circuit board (PCB) is close in the outer peripheral areas, and described first printed circuit board (PCB) is applied to display panel with first drive signal and voltage;
A plurality of first signal transmission components, described a plurality of first signal transmission components are electrically connected to display panel with first printed circuit board (PCB), so that first drive signal and voltage transmission are arrived display panel; And
First voltage transmission member, described first voltage transmission member arrives display panel with voltage transmission.
2. organic light-emitting display device according to claim 1, wherein, the voltage that is applied on the display panel comprises source voltage or common electric voltage.
3. organic light-emitting display device according to claim 1, wherein, first signal transmission component is the film of transmission signal, and the voltage that wherein is applied on the display panel is common electric voltage.
4. organic light-emitting display device according to claim 1, wherein, first signal transmission component is the film of transmission of data signals, and the voltage that is applied on the display panel is source voltage.
5. organic light-emitting display device according to claim 1 is included in the voltage supply line in each first signal transmission component, and described voltage supply line is applied to display panel with voltage.
6. organic light-emitting display device according to claim 1, wherein, a plurality of outer peripheral areas comprise: first outer peripheral areas, first printed circuit board (PCB) are arranged near described first outer peripheral areas; Second outer peripheral areas; The 3rd outer peripheral areas; And region all round, the first end of each first signal transmission component is on first printed circuit board (PCB), the second end of each first signal transmission component is on first outer peripheral areas, and first voltage transmission member is positioned between adjacent a pair of first signal transmission component.
7. organic light-emitting display device according to claim 6 also comprises:
Second printed circuit board (PCB), contiguous second outer peripheral areas of described second printed circuit board (PCB), described second printed circuit board (PCB) is applied to display panel with second drive signal;
A plurality of secondary signal transmission parts, described a plurality of secondary signal transmission parts first distance that is spaced apart from each other, described secondary signal transmission part is electrically connected to display panel with second printed circuit board (PCB); And
Voltage is applied to second voltage transmission member of display panel.
8. organic light-emitting display device according to claim 7 has such structure, and this structure comprises second voltage transmission member that is arranged between the adjacent a pair of secondary signal transmission part.
9. organic light-emitting display device according to claim 7, wherein, organic illuminating element comprises:
On-off element;
Current controling element;
Be connected the energy-storage capacitor between on-off element and the current controling element; And
Organic Light Emitting Diode, it has the anode that is electrically connected to current controling element, negative electrode and the organic luminous layer between anode and negative electrode that receives voltage,
Wherein, negative electrode contacts with second voltage transmission member, the contact length between negative electrode and second voltage transmission member roughly with contiguous the 3rd outer peripheral areas or all round the side edge length of the viewing area of region equate.
10. organic light-emitting display device according to claim 9, wherein, described first printed circuit board (PCB) comprises and the roughly the same material of material that is used for on-off element.
11. organic light-emitting display device according to claim 1, wherein, first voltage transmission member is a flexible printed circuit board.
12. organic light-emitting display device according to claim 1, wherein, described first voltage transmission member is not transferred to display panel with drive signal.
13. an organic light-emitting display device comprises:
Display panel, described display panel has viewing area, first outer peripheral areas, second outer peripheral areas, the 3rd outer peripheral areas and region all round, the contiguous viewing area of first to fourth outer peripheral areas, described display panel is by organic illuminating element display image in the viewing area;
First printed circuit board (PCB), described first printed circuit board (PCB) contiguous first, second, third and the be in the region all round, and first printed circuit board (PCB) is applied to display panel with first drive signal; And
First voltage transmission member, described first voltage transmission member is first, second, third and all round on another outer peripheral areas in the region, and first voltage transmission member is applied to display panel with voltage.
14. organic light-emitting display device according to claim 13, wherein, the voltage that is applied on the display panel is source voltage.
15. organic light-emitting display device according to claim 14 also comprises: second printed circuit board (PCB), contiguous first voltage transmission member of described second printed circuit board (PCB), described second printed circuit board (PCB) is applied to first voltage transmission member with source voltage.
16. organic light-emitting display device according to claim 13, wherein, the voltage that is applied on the display panel is common electric voltage.
17. organic light-emitting display device according to claim 16 also comprises: second printed circuit board (PCB), contiguous first voltage transmission member of described second printed circuit board (PCB), described second printed circuit board (PCB) is applied to first voltage transmission member with common electric voltage.
18. organic light-emitting display device according to claim 13, wherein, first voltage transmission member is a flexible printed circuit board.
19. organic light-emitting display device according to claim 13, wherein, contiguous first outer peripheral areas of described first printed circuit board (PCB), contiguous the 3rd outer peripheral areas of first voltage transmission member or the is region all round.
20. organic light-emitting display device according to claim 19, wherein, described organic illuminating element comprises:
On-off element;
Current controling element;
Be connected the energy-storage capacitor between on-off element and the current controling element; And
Organic Light Emitting Diode has the anode that is electrically connected to current controling element, receives negative electrode and the organic luminous layer between anode and negative electrode from the common electric voltage of first voltage transmission member,
Wherein, negative electrode contacts with first voltage transmission member, the contact length between the negative electrode and first voltage transmission member roughly with contiguous the 3rd outer peripheral areas or the equal in length of the side of the viewing area of region all round.
21. organic light-emitting display device according to claim 20, wherein, described first printed circuit board (PCB) comprises and the roughly the same material of material that is used for current controling element.
22. organic light-emitting display device according to claim 19 also comprises:
Second printed circuit board (PCB), contiguous second outer peripheral areas of described second printed circuit board (PCB), second printed circuit board (PCB) is applied to display panel with second drive signal;
A plurality of first signal transmission components, described a plurality of first signal transmission components first distance that is spaced apart from each other, described first signal transmission component is electrically connected to display panel with first printed circuit board (PCB);
A plurality of secondary signal transmission parts, the described a plurality of secondary signal transmission parts second distance that is spaced apart from each other, described secondary signal transmission part is electrically connected to display panel with second printed circuit board (PCB); And
Second voltage transmission member, described second voltage transmission member are arranged between two first adjacent signal transmission components, perhaps are arranged between two adjacent second signal transmission parts, and second voltage transmission member is applied to display panel with voltage.
23. organic light-emitting display device according to claim 22, wherein, at least one in first signal transmission component and the secondary signal transmission part comprises the voltage supply line that voltage is applied to display panel.
24. organic light-emitting display device according to claim 13, wherein, first voltage transmission member is not transferred to display panel with drive signal.
25. an organic light-emitting display device comprises:
Display panel, described display panel have viewing area, first outer peripheral areas, second outer peripheral areas, the 3rd outer peripheral areas and the region all round, the contiguous viewing area of first to fourth outer peripheral areas, and display panel is by the organic illuminating element display image;
First printed circuit board (PCB), contiguous first outer peripheral areas of described first printed circuit board (PCB), described first printed circuit board (PCB) is applied to display panel with first drive signal and first voltage;
Second printed circuit board (PCB), contiguous second outer peripheral areas of described second printed circuit board (PCB), second printed circuit board (PCB) is applied to display panel with second drive signal and second voltage;
A plurality of first signal transmission components, described a plurality of first signal transmission components first distance that is spaced apart from each other, described first signal transmission component is electrically connected to display panel with first printed circuit board (PCB);
A plurality of secondary signal transmission parts, the described a plurality of secondary signal transmission parts second distance that is spaced apart from each other, described secondary signal transmission part is electrically connected to display panel with second printed circuit board (PCB);
Be arranged on first voltage transmission member between first signal transmission component, described first voltage transmission member is applied to display panel with first voltage; And
Be arranged on second voltage transmission member between the secondary signal transmission part, described second voltage transmission member is applied to display panel with second voltage.
26. organic light-emitting display device according to claim 25 also comprises:
Be arranged on the tertiary voltage transmission part on the 3rd outer peripheral areas, described tertiary voltage transmission part is applied to display panel with first voltage; And
Be arranged on the 4th voltage transmission member on the region all round, described the 4th voltage transmission member is applied to display panel with second voltage.
27. organic light-emitting display device according to claim 25, wherein, described first and second voltage transmission member are not transferred to display panel with first and second drive signals.
28. an organic light-emitting display device comprises:
Display panel;
Drive signal is transferred to the signal transmission component of display panel; And
Separate with signal transmission component and only with the voltage transmission member of voltage transmission to display panel.
29. organic light-emitting display device according to claim 28, wherein, drive signal is in signal and the data-signal, and voltage is in common electric voltage and the source voltage.
30. organic light-emitting display device according to claim 28, also be included in the display panel the viewing area and around first outer peripheral areas of the display panel of viewing area, second outer peripheral areas, the 3rd outer peripheral areas and the region all round, described signal transmission component is electrically connected to one of outer peripheral areas, and voltage transmission member is electrically connected to another in the outer peripheral areas.
31. organic light-emitting display device according to claim 30, wherein, the length of described voltage transmission member and the same length of viewing area.
32. organic light-emitting display device according to claim 28, also comprise in the display panel the viewing area and around first outer peripheral areas of the display panel of viewing area, second outer peripheral areas, the 3rd outer peripheral areas and the region all round, described signal transmission component is electrically connected to first outer peripheral areas, and described voltage transmission member is electrically connected to first outer peripheral areas.
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CN110554542B (en) * 2018-05-30 2022-06-03 乐金显示有限公司 Light control apparatus and transparent display device including the same
CN112470285A (en) * 2018-07-19 2021-03-09 深圳市柔宇科技股份有限公司 Flexible display panel, manufacturing method thereof, display device and mask
US20220352275A1 (en) * 2020-10-10 2022-11-03 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Oled display panel and method of manufacturing same

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