CN101777295A - Detection line wiring method and manufacturing method of OLED (Organic Light Emitting Diode) display - Google Patents
Detection line wiring method and manufacturing method of OLED (Organic Light Emitting Diode) display Download PDFInfo
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- CN101777295A CN101777295A CN201010108181A CN201010108181A CN101777295A CN 101777295 A CN101777295 A CN 101777295A CN 201010108181 A CN201010108181 A CN 201010108181A CN 201010108181 A CN201010108181 A CN 201010108181A CN 101777295 A CN101777295 A CN 101777295A
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Abstract
The invention provides a detection line wiring method of an OLED (Organic Light Emitting Diode) display and a manufacturing method of the OLED display. The detection line wiring method comprises the following steps that at least two OLED displays and a power contact block are arranged on substrate glass, wherein the power contact block is electrically connected with the respective OLED display by a main electrode wire, and each OLED display is provided with a conductive anode lapping block and a cathode lapping block; the anode electrode wire connected with the anode is electrically connected with the anode lapping block, while the cathode electrode wire connected with the cathode is electrically connected with the cathode lapping block; and an anode leading-out wire and a cathode leading-out wire are respectively drawn out by the anode lapping block and the cathode lapping block to be electrically connected with the corresponding main electrode wire. The embodiment of the invention reduces the occupied area of a single display device on big substrate glass, increases the quantity of the displays produced in a single batch, decreases the end terminals of the leading-out wires which are cut at a cut line place, reduces the probability of short circuit among end terminals and ensures the yield of the device.
Description
Technical field
The present invention relates to display screen manufacturing technology field, relate in particular to a kind of manufacture method of detection line wiring method and OLED display of OLED display.
Background technology
Organic Light Emitting Diode (Organic Light-Emitting Diode; OLED) display, being called display of organic electroluminescence again is a kind of emerging flat-panel monitor.OLED compares with LCD and has many good qualities: ultralight, ultra-thin, high brightness, with great visual angle, luminous, the low-power consumption of pixel self, fast-response etc., therefore, OLED is generally believed it is the display technique of new generation that has development prospect most by industry.
Be illustrated in figure 1 as the structural representation of OLED display, the OLED display comprises base plate glass 11, anode 12 on base plate glass 11 is cascading, organic function layer 13 and negative electrode 14, and be encapsulated in glass back cover 15 on the base plate glass 11, wherein, organic function layer 13 between anode 12 and the negative electrode 14 comprises the electric charge injection layer that order is inserted, charge transport layer and luminescent layer, at the moon, apply appropriate voltage between the anode, just can make device luminous, anode 12 and negative electrode 14 are electrically connected (not shown) by positive electrical polar curve and negative electricity polar curve with corresponding pin on the integrated circuit (IC) respectively, are used to provide the moon, voltage between anode is also realized function control.Generating in the process of OLED display in batches, usually at large substrates a plurality of stacked anodes, organic function layer and a negative electrode of being provided with on glass, in order to encapsulate conveniently, also all integrated circuit that are electrically connected with cathode and anode also directly are assemblied on this base plate glass, and then use the glass back cover identical to carry out the integral body covering with the base plate glass size.After treating that all detection operations are finished, base plate glass is cut off grain and finishes subsequent handling, can obtain a plurality of OLED displays.
Above-mentioned cut off grain before, very important detection operation is together arranged, promptly applying voltage between the cathode and anode of each display makes device light a period of time to check, so that defective products is rejected, simultaneously the device that does not have defective is worn out, the stability of its performance and homogeneity aspect are greatly improved.In this testing process, need all negative electricity polar curves and positive electrical polar curve in each display are connected up, the wiring method of detection line as shown in Figure 2 in the prior art, device with one of them display on the base plate glass is an example, all positive electrical polar curves 21 that are connected with anode are electrically connected with the corresponding pin on the integrated circuit 2, all negative electricity polar curves 22 that are connected with negative electrode are electrically connected with the corresponding pin on the integrated circuit 2, then, with all just, beyond the negative electricity polar curve extended to the line of cut 24 of this display devices by lead-in wire extended line 23 from the both sides of integrated circuit 2, described line of cut promptly set in advance the along the line of when on glass being used to of large substrates cuts off foundation.Be provided with negative electrode contact block 25 and positive electrode contact block 26 in a side edge near large substrates glass, and the trunk electrode wires 27 that is electrically connected with two contact blocks respectively.Lead-in wire extended line 23 connects with corresponding trunk electrode wires 27 respectively beyond line of cut 24, with when the two contact block energized, lights device by trunk electrode wires 27, lead-in wire extended line 23, positive and negative electrode line for the positive and negative utmost point provides voltage, realizes detecting.When after detection is finished, cutting off, can disconnect, to avoid when forming the display finished product between each positive electrical polar curve or the short circuit between each negative electricity polar curve along the lead-in wire extended line 23 of line of cut 24 with all interconnection.
Yet, beyond above-mentioned detection line wiring method need extend to line of cut by the lead-in wire extended line from the both sides of integrated circuit with all positive and negative electrode electrode wires, thereby strengthened the individual monitor device at large substrates shared area on glass, reduced the display quantity that single generates in batches.
Summary of the invention
The embodiment of the invention provides a kind of manufacture method of detection line wiring method and OLED display of OLED display, can reduce the individual monitor device at large substrates shared area on glass.
In order to solve the problems of the technologies described above, the technical scheme of the embodiment of the invention is as follows:
A kind of detection line wiring method of OLED display comprises:
Base plate glass is provided with at least two organic electroluminescent OLED displays and power supply contact block, described power supply contact block is electrically connected with each OLED display by the trunk electrode wires, be provided with the positive pole overlap joint piece and the negative pole overlap joint piece of conduction in each OLED display, the positive electrical polar curve that is electrically connected with anode is electrically connected with described anodal overlap joint piece, the negative electricity polar curve that is connected with cathodic electricity is electrically connected with described negative pole overlap joint piece, and described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively.
Further, described positive and negative electrode overlap joint piece is integrated in the inside of the integrated circuit of each described OLED display,
The described positive electrical polar curve that is electrically connected with anode is electrically connected with described anodal overlap joint piece, and the negative electricity polar curve that is connected with cathodic electricity is electrically connected with described negative pole overlap joint piece, is specially:
The inside that the positive electrical polar curve that is electrically connected with anode is introduced the corresponding interface of described integrated circuit and extended to described integrated circuit is electrically connected with described anodal overlap joint piece; The inside that the negative electricity polar curve that is connected with cathodic electricity is introduced the corresponding interface of described integrated circuit and extended to described integrated circuit is electrically connected with described negative pole overlap joint piece.
Further, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The positive and negative electrode extension line that described positive and negative electrode overlap joint piece is drawn is respectively drawn and is electrically connected with corresponding trunk electrode wires from the pin gap location of described integrated circuit.
Further, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The pin that has identical function in the positive electrode extension line that described anodal overlap joint piece is drawn and the described integrated circuit is electrically connected, is drawn afterwards and the electrical connection of corresponding trunk electrode wires by described pin;
The pin that has identical function in the negative electrode extension line that described negative pole overlap joint piece is drawn and the described integrated circuit is electrically connected, is drawn afterwards and the electrical connection of corresponding trunk electrode wires by described pin.
Further, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The positive and negative electrode overlap joint piece of described each OLED display is drawn the positive and negative electrode extension line respectively, and by the mode of in parallel or series connection and corresponding trunk electrode wires electrical connection.
Further, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The positive electrode extension line that the positive pole overlap joint piece of described each OLED display is drawn is electrically connected back and corresponding trunk electrode wires electrical connection;
The negative electrode extension line that the negative pole overlap joint piece of described each OLED display is drawn is electrically connected back and corresponding trunk electrode wires electrical connection.
Further, the described anodal overlap joint piece in described each OLED display is one, and described negative pole overlap joint piece is two.
Further, the material of described anodal overlap joint piece and described negative pole overlap joint piece is metal or metallic compound.
Further, the material of described anodal overlap joint piece and described negative pole overlap joint piece is aluminium.
A kind of manufacture method of OLED display comprises:
On base plate glass, form the detection line cabling of at least two OLED displays, and just adopt the described OLED display of mask plate evaporation on described base plate glass, negative pole overlap joint piece, wherein, base plate glass is provided with at least two OLED displays and power supply contact block, described power supply contact block is electrically connected with each OLED display by the trunk electrode wires, the positive electrical polar curve that is electrically connected with anode in each OLED display is electrically connected with described anodal overlap joint piece, the negative electricity polar curve that is connected with cathodic electricity is electrically connected with described negative pole overlap joint piece, and is just described, negative pole overlap joint piece is just being drawn respectively, negative electrode extension line and corresponding trunk electrode wires electrical connection;
OLED display on the described base plate glass is lighted detection;
OLED display on the described base plate glass is cut off grain;
Remove the positive and negative electrode overlap joint piece on each described OLED display;
Enter back segment module flow process, form the OLED display.
Further, the positive and negative electrode that adopts acid solution or aqueous slkali or soda acid combination solution to remove on each described OLED display overlaps piece.
The embodiment of the invention is connected to anodal overlap joint piece by all positive electrical polar curves are concentrated, with the concentrated negative pole overlap joint piece that is connected to of all negative electricity polar curves, and then by each the overlap joint piece be connected to the trunk electrode wires behind the extraction electrode extension line respectively, realized detection line by being connected between power supply contact block and each display cathode and anode, thereby can realize lighting of each display detected and aging.The wiring method of this detection line has reduced the extension line quantity that is connected in each display on the trunk electrode wires in a large number, not only reduced the individual monitor device at large substrates shared area on glass, increased the display quantity that single generates in batches, and in follow-up cutting off in the grain, reduced the extension line that will cut, also promptly reduce the extension line line end that the line of cut place cuts off, reduced the short circuit probability between the line end, guaranteed the yield of device.
Description of drawings
Shown in accompanying drawing, above-mentioned and other purpose, feature and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present invention by physical size equal proportion convergent-divergent.
Fig. 1 is the structural representation of OLED display;
Fig. 2 is the wiring method synoptic diagram of detection line in the prior art;
Fig. 3 is the detection line wiring method synoptic diagram of a kind of OLED display of the embodiment of the invention;
Fig. 4 is the manufacture method process flow diagram of a kind of OLED display of the embodiment of the invention;
Fig. 5 is the display interior structural representation of Fig. 4 correspondence;
Fig. 6 is the display interior structural representation of Fig. 4 correspondence.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Set forth a lot of details in the following description so that fully understand the present invention, implement but the present invention can also adopt other to be different from alternate manner described here, so the present invention has not been subjected to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with synoptic diagram, when the embodiment of the invention is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local the amplification, and described synoptic diagram is example, and it should not limit the scope of protection of the invention at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
Beyond the detection line wiring method of OLED display extends to line of cut by the lead-in wire extended line from the both sides of integrated circuit with all positive and negative electrode electrode wires in the prior art, this wiring method has not only strengthened the individual monitor device at large substrates shared area on glass, reduced the display quantity that single generates in batches, and cause the respectively short circuit between the lead-in wire of line of cut place easily after cutting off grain, thereby cause the yield of device to descend.Based on this, the embodiment of the invention provides a kind of detection line wiring method, base plate glass is provided with at least two OLED displays and power supply contact block, the power supply contact block is electrically connected with each OLED display by the trunk electrode wires, be provided with the positive pole overlap joint piece and the negative pole overlap joint piece of conduction in each OLED display, the positive electrical polar curve that is electrically connected with anode is electrically connected with anodal overlap joint piece, the negative electricity polar curve that is connected with cathodic electricity is electrically connected with negative pole overlap joint piece, just, negative pole overlap joint piece is just being drawn respectively, negative electrode extension line and corresponding trunk electrode wires electrical connection, this wiring method by will many or all positive electrical polar curves overlap piece with positive pole and be connected, many or all negative electricity polar curves are connected with negative pole overlap joint piece, and then by just, the negative electrode extension line is from just, draw on the negative overlap joint piece and be connected to the trunk electrode wires, reduced the quantity of extension line, thereby reduced single OLED display at large substrates shared area on glass, increased the display quantity that single generates in batches, and, reduced the extension line line end that the line of cut place cuts off when cutting off, reduce the short circuit probability between the line of cut place line end, guaranteed the yield of device.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described.
With reference to Fig. 3, be the detection line wiring method synoptic diagram of a kind of OLED display of the embodiment of the invention.
At first on base plate glass, form a plurality of OLED displays and power supply contact block, wherein the power supply contact block is used for being connected with power supply, to provide voltage to each OLED display, as shown in Figure 3, two OLED displays 31,32 are arranged on the base plate glass in the present embodiment, the power supply contact block comprises a positive electrode contact block 33 and two negative electrode contact blocks 34, and the power supply contact block is electrically connected with each OLED display 31,32 by trunk electrode wires 35.In other embodiments, on a bulk of base plate glass, can be provided with the multi-group power contact block as required, every group of power supply contact block all can be electrically connected with a plurality of displays, and the quantity of positive electrode contact block and negative electrode contact block can be set as required in every group of power supply contact block.
Two OLED display interior are provided with identical, with OLED display 31 is example, wherein be provided with the positive pole overlap joint piece and the negative pole overlap joint piece of conduction, each quantity that overlaps piece can be provided with as required, an anodal overlap joint piece and a negative pole overlap joint piece for example can be set, perhaps a plurality of anodal overlap joint pieces and a plurality of negative pole overlap joint piece are set, obviously can connect many strip electrodes line on each overlap joint piece according to needs such as device sizes.Positive and negative electrode overlap joint piece can be integrated in the IC interior of display, also can be arranged on the outside of integrated circuit.In the present embodiment, in integrated circuit, be integrated with an anodal overlap joint piece 311 and two negative pole overlap joint pieces 312.All positive electrical polar curves 313 that are electrically connected with the anode (not shown) of OLED display are electrically connected with anodal overlap joint piece 311, all negative electricity polar curves 314 that are electrically connected with the negative electrode (not shown) are distributed in the both sides of positive electrical polar curve 313, be electrically connected with two negative pole overlap joint pieces 312 respectively, concrete connected mode as shown in FIG., the inside that positive electrical polar curve 313 is introduced the corresponding interface of integrated circuit 315 and extended to integrated circuit 315 is electrically connected with the anodal piece 311 that overlaps; Negative electricity polar curve 314 is divided into two parts to be introduced the corresponding interface of integrated circuit 315 in the both sides of positive electrical polar curve 313 and extends to the inside of integrated circuit 315 and corresponding two negative poles overlap joint piece, 312 electrical connections.
Anodal overlap joint piece 311 and two negative pole overlap joint pieces 312 are drawn positive electrode extension line 316 respectively, negative electrode extension line 317, concrete, just, negative pole overlap joint piece is just being drawn respectively, the negative electrode extension line is drawn from the pin gap location of integrated circuit 315, extend to beyond the line of cut 318 of this display, and be electrically connected with line of cut 318 corresponding trunk electrode wires in addition respectively, thereby make the power supply contact block by the trunk electrode wires, just, the negative electrode extension line, just, negative pole overlap joint piece and just, cloudy in the realization of negative electricity polar curve and each OLED display, electrical connection between the anode, thereby when power supply contact block energized, the moon for display, voltage is provided between the anode, carries out that lighting of each display detected and aging.In another embodiment, the positive electrode extension line that anodal overlap joint piece is drawn can with integrated circuit in have an identical function pin is electrically connected, extend to beyond the line of cut after drawing by this pin, again with corresponding trunk electrode wires electrical connection; The negative electrode extension line that negative pole overlap joint piece is drawn also can with integrated circuit in have an identical function pin is electrically connected, after drawing by this pin again with corresponding trunk electrode wires electrical connection.Wherein, the negative electrode extension line that two negative poles overlap joints piece is drawn can connect earlier merge into an extension line after, extend to again beyond the line of cut with corresponding trunk electrode wires and be electrically connected.
It can also be can be connected with the power supply contact block by serial or parallel connection between each OLED display by the mode of in parallel or series connection and corresponding trunk electrode wires electrical connection that the positive and negative electrode overlap joint piece of each OLED display is drawn the positive and negative electrode extension line.For example, the positive pole of each the OLED display overlap joint piece positive electrode extension line of drawing is electrically connected to merge into behind the extension line with corresponding trunk electrode wires again and is electrically connected; The negative electrode extension line that the negative pole of each OLED display overlap joint piece is drawn is electrically connected to merge into behind the extension line with corresponding trunk electrode wires again and is electrically connected.
In the foregoing description, the material of anodal overlap joint piece and negative pole overlap joint piece can be metal or metallic compound, for example aluminium etc.
The embodiment of the invention is connected to anodal overlap joint piece by all positive electrical polar curves are concentrated, with the concentrated negative pole overlap joint piece that is connected to of all negative electricity polar curves, and then by each the overlap joint piece be connected to the trunk electrode wires behind the extraction electrode extension line respectively, realized detection line by being connected between power supply contact block and each display cathode and anode, thereby can realize lighting of each display detected and aging.The wiring method of this detection line has reduced the extension line quantity that is connected in each display on the trunk electrode wires in a large number, not only reduced the individual monitor device at large substrates shared area on glass, increased the display quantity that single generates in batches, and in follow-up cutting off in the grain, reduced the extension line that will cut, also promptly reduce the extension line line end that the line of cut place cuts off, reduced the short circuit probability between the line end, guaranteed the yield of device.
According to the wiring method of above-mentioned detection line, the embodiment of the invention has also been improved the process flow of making the OLED display, and a kind of method of the OLED of manufacturing display is provided, and describes below by instantiation.
Referring to Fig. 4, be the manufacture method process flow diagram of a kind of OLED display of the embodiment of the invention.Fig. 3,5,6 is a display interior structural representation corresponding in this method.
The manufacture method of this display can comprise:
Step 401, the detection line cabling of at least two OLED displays of formation on base plate glass.
In the present embodiment, can select thickness for use is the special-purpose electro-conductive glass of OLED of 0.55mm, use pre-designed exposure mask plate then, adopt wet method of carving to make required auxiliary electrode Cr, transparency electrode ITO, insulation course PI and the insulated column layer RIB etc. of OLED display.Also design the wiring diagram that has in the previous embodiment on this exposure mask plate, can form the detection line cabling on base plate glass, methods such as above-mentioned exposure etching are same as the prior art, repeat no more herein.
In the present embodiment, on base plate glass, form as shown in Figure 5 detection line according to exposure mask plate, side at base plate glass forms power supply contact block 51 and trunk electrode wires 52, and most of parts of at least two OLED displays that formation is arranged on base plate glass, do not comprise negative electrode, and the positive electrical polar curve 53 that is electrically connected with anode of formation, the corresponding interface that all positive electrical polar curves 53 are introduced integrated circuit 54 also extends to the inside of integrated circuit 54 to the positive pole overlap joint piece zone of reserving; The negative electricity polar curve 55 that is connected with the display cathode region is distributed in the both sides of positive electrical polar curve 53, also introduce the corresponding interface of integrated circuit 54 and extend to integrated circuit 54 inner to the negative pole overlap joint piece zone of reserving, from just reserving, just is drawing respectively in negative pole overlap joint piece zone, negative electrode extension line 56,57 extend to beyond the line of cut 58 of display, be electrically connected with corresponding trunk electrode wires, wherein, just, the negative electrode extension line can be drawn from the pin gap location of integrated circuit 54, also can be positive electrode extension line 53 with integrated circuit 54 in have an identical function pin be electrically connected, draw by this pin, the pin that has identical function in negative electrode extension line 55 and the integrated circuit 54 is electrically connected, and is drawn by this pin.
According to the design of mask plate, can realize being electrically connected of the serial or parallel connection mode of passing through and power supply contact block between each display by changing the positive and negative electrode extension line and the connected mode of corresponding trunk electrode wires.In another embodiment, the positive and negative electrode of reservation overlap joint piece can be arranged on the outside of integrated circuit, as long as realize being connected between overlap joint piece and counter electrode line and the electrode outlet line.
Step 402 adopts the positive and negative electrode of mask plate described OLED display of evaporation on described base plate glass to overlap piece.
This step can adopt the mode of prefabricated shadow-mask by vacuum evaporation to form other parts in the display on each reserved area of base plate glass, for example can comprise the various organic function layers of evaporation, make each the OLED display on the base plate glass have electric charge injection layer, charge transport layer and luminescent layer etc., can also adopt this mode reserving the positive and negative electrode overlap joint piece zone evaporation of cathode zone and reservation, as shown in Figure 6, form negative electrode 61 and positive and negative electrode overlap joint piece 62,63.Wherein, the material of negative electrode and overlap joint piece can adopt metal or metallic compound, for example aluminium etc.
After finishing, promptly realized evaporation the formation of the complete detection line in the previous embodiment, as shown in Figure 3.Further can encapsulate applying to base plate glass, for example the glass back cover that employing and base plate glass etc. are big is encapsulated in the top of base plate glass, makes each display devices and detection line etc. between glass substrate and glass back cover.
The formation of detection line need not to increase new step in above-mentioned two steps in former technological process, only needs the layout design of change mask plate and shadow-mask to get final product, and can not increase production cost.
Step 403 is lighted detection to the OLED display on the described base plate glass.
Detect and when aging lighting,, detect and wear out for the power supply contact block provides lighting of simple grain that power supply can realize each OLED display on the base plate glass or full wafer as long as the position corresponding with the power supply contact block of base plate glass on glass at bonnet cut open.
Step 404 cuts off grain to the OLED display on the described base plate glass.
After detection is finished, carry out break bar along the line of cut of each OLED display on the base plate glass and cut off grain, thereby form a plurality of independent O light-emitting diode displays, in cutting process, the positive and negative electrode extension line of each display can be disconnected simultaneously.
Step 405 is removed the positive and negative electrode overlap joint piece on each described OLED display.
Since in the abovementioned steps in order to light detection, all positive electrical polar curves have been connected to anodal overlap joint piece, all negative electricity polar curves have been connected to negative pole overlap joint piece, cutting off of the normal use of grain back for follow-up display, need to cut off short circuit between the display interior positive electrical polar curve and the short circuit between the negative electricity polar curve in this step, so can will overlap the piece removal according to the material selection acid solution of overlap joint piece or aqueous slkali or soda acid combination.
Step 406 enters back segment module flow process, forms the OLED display.
After removing the overlap joint piece, display dried enter back segment module flow process, finally form the OLED display, this process is a prior art, repeats no more herein.
The embodiment of the invention has not only reduced the individual monitor device at large substrates shared area on glass by above-mentioned steps in testing process, increased the display quantity that single generates in batches, and in follow-up cutting off in the grain, reduced the extension line that will cut, also promptly reduced the extension line line end that the line of cut place cuts off, reduce the short circuit probability between the line end, guaranteed the yield of device.
The wiring method embodiment of above detection line and the manufacture method embodiment of OLED display are applicable to that the nation of all integrated circuit decides mode, are particularly useful for integrated circuit nation and fix on product on (COG) on glass.This method can be used on the passive type display of organic electroluminescence (PMOLED), also can be used in the middle of the active system organic electroluminescent display (AMOLED).
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (11)
1. the detection line wiring method of an OLED display is characterized in that, comprising:
Base plate glass is provided with at least two organic electroluminescent OLED displays and power supply contact block, described power supply contact block is electrically connected with each OLED display by the trunk electrode wires, be provided with the positive pole overlap joint piece and the negative pole overlap joint piece of conduction in each OLED display, the positive electrical polar curve that is electrically connected with anode is electrically connected with described anodal overlap joint piece, the negative electricity polar curve that is connected with cathodic electricity is electrically connected with described negative pole overlap joint piece, and described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively.
2. method according to claim 1 is characterized in that, described positive and negative electrode overlap joint piece is integrated in the inside of the integrated circuit of each described OLED display,
The described positive electrical polar curve that is electrically connected with anode is electrically connected with described anodal overlap joint piece, and the negative electricity polar curve that is connected with cathodic electricity is electrically connected with described negative pole overlap joint piece, is specially:
The inside that the positive electrical polar curve that is electrically connected with anode is introduced the corresponding interface of described integrated circuit and extended to described integrated circuit is electrically connected with described anodal overlap joint piece; The inside that the negative electricity polar curve that is connected with cathodic electricity is introduced the corresponding interface of described integrated circuit and extended to described integrated circuit is electrically connected with described negative pole overlap joint piece.
3. method according to claim 2 is characterized in that, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The positive and negative electrode extension line that described positive and negative electrode overlap joint piece is drawn is respectively drawn and is electrically connected with corresponding trunk electrode wires from the pin gap location of described integrated circuit.
4. method according to claim 2 is characterized in that, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The pin that has identical function in the positive electrode extension line that described anodal overlap joint piece is drawn and the described integrated circuit is electrically connected, is drawn afterwards and the electrical connection of corresponding trunk electrode wires by described pin;
The pin that has identical function in the negative electrode extension line that described negative pole overlap joint piece is drawn and the described integrated circuit is electrically connected, is drawn afterwards and the electrical connection of corresponding trunk electrode wires by described pin.
5. method according to claim 1 is characterized in that, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The positive and negative electrode overlap joint piece of described each OLED display is drawn the positive and negative electrode extension line respectively, and by the mode of in parallel or series connection and corresponding trunk electrode wires electrical connection.
6. method according to claim 1 is characterized in that, described positive and negative electrode overlap joint piece is drawn positive and negative electrode extension line and corresponding trunk electrode wires electrical connection respectively, is specially:
The positive electrode extension line that the positive pole overlap joint piece of described each OLED display is drawn is electrically connected back and corresponding trunk electrode wires electrical connection;
The negative electrode extension line that the negative pole overlap joint piece of described each OLED display is drawn is electrically connected back and corresponding trunk electrode wires electrical connection.
7. method according to claim 1 is characterized in that, the described anodal overlap joint piece in described each OLED display is one, and described negative pole overlap joint piece is two.
8. method according to claim 1 is characterized in that, the material of described anodal overlap joint piece and described negative pole overlap joint piece is metal or metallic compound.
9. method according to claim 8 is characterized in that, the material of described anodal overlap joint piece and described negative pole overlap joint piece is aluminium.
10. the manufacture method of an OLED display is characterized in that, comprising:
On base plate glass, form the detection line cabling of at least two OLED displays, and just adopt the described OLED display of mask plate evaporation on described base plate glass, negative pole overlap joint piece, wherein, base plate glass is provided with at least two OLED displays and power supply contact block, described power supply contact block is electrically connected with each OLED display by the trunk electrode wires, the positive electrical polar curve that is electrically connected with anode in each OLED display is electrically connected with described anodal overlap joint piece, the negative electricity polar curve that is connected with cathodic electricity is electrically connected with described negative pole overlap joint piece, and is just described, negative pole overlap joint piece is just being drawn respectively, negative electrode extension line and corresponding trunk electrode wires electrical connection;
OLED display on the described base plate glass is lighted detection;
OLED display on the described base plate glass is cut off grain;
Remove the positive and negative electrode overlap joint piece on each described OLED display;
Enter back segment module flow process, form the OLED display.
11. method according to claim 10 is characterized in that, the positive and negative electrode that adopts acid solution or aqueous slkali or soda acid combination solution to remove on each described OLED display overlaps piece.
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| CN102592516A (en) * | 2012-02-29 | 2012-07-18 | 信利半导体有限公司 | Large size display screen |
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