TW510061B - Layout structure of the electrode pin of organic light emitting diode - Google Patents

Abstract

The present invention provides a layout structure of the electrode pin of organic light emitting diode, wherein the display has plural cathodes and anodes, and has plural cathode pins and anode pins connecting with the plural cathodes and anodes. The plural cathode pins and anode pins are formed of multi-layered metal material with high electrical conductivity, low resistance, and the plural cathode pins and anode pins have proper layout and bends. They are disposed on the same side of the transparent substrate of the display.

Description

V. Description of the invention (1) Field of the invention The present invention relates to the arrangement of the pin structure of the electrode bow of an organic light-emitting diode display (0rganic Light EmitHnj D ^ de, 0LED), wherein the anode pen and The cathode electrode is connected to an external driving circuit through the electrode lead. Background of the invention

Organic light-emitting diodes (〇LED) are light, thin, self-luminous, wide viewing angles, good resolution, high brightness, low power consumption and high response speed, so they are considered as the next generation of flat display The emerging technologies applied have been developed by many manufacturers and research units around the world. However, the design of organic light-emitting diodes is not simple, except for the life and power consumption of light-emitting components (ie, OLEDs). And other issues, there is also a lot of room for improvement in panel design. At present, the industry has greatly improved the life and power consumption of light-emitting components. As for panel design, those skilled in the art To solve the problem of driving voltage and power loss of the electrode when the anode electrode is driven, the electrodes are designed on both sides of the panel, even on multiple sides. The disadvantage of this design is that the display module is designed in a variety of ways. Restrictions and increase the complexity of the display module's assembly process. Figure 1A is a schematic structural diagram of a conventional organic light emitting diode display. Figure 1B is a figure 1A X-axis direction is a cross-sectional view showing the structure of Figure a line c in FIG.

Page 4 510061 V. Description of the invention (2) Y-axis cross-sectional structure of the display of A. Referring to FIGS. 1a to 1C, there are an anode electrode 104 (Anode) and a cathode electrode 105 (Cathode) above the transparent substrate. 'Using a cathode rib formation technology, a plurality of anode electrodes 104 are formed on the surface of the anode electrode 104. A structure composed of a cathode electrode 105, an organic light emitting diode element layer 106, a cathode partition wall 108, and an insulating layer 107, and a plurality of cathode electrodes 丨 05, an organic light emitting diode element layer 丨〇6structure. The cathode electrode 105 is connected to the external driving package by connecting the cathode lead 103, and finally, a layer of inorganic or metal protective layer 102 is covered over the cathode electrode 105. … 1 Modules designed according to the structure of Figure A may be shown in Figure 2 or Figure 3. In the figure = the electrode wiring board 206 and the cathode lead 202 of the display group are used: "man" brush the wire 202 and the anode lead 202 (shown at the cathode guide) and the anode electrode (Tuff j 1 \ '， \ 不 £ 205 within the cathode electrode (figure of non-luminous diode display die connection: ^ cathode lead 302, anode lead green cloth 6 and 纟 0 structure are not intended. Figure 3 shows External drive circuit connection., ', With two flexible printed circuit boards 306 Λ For the point g of Figure 2 and Figure 3, roughly as follows: · Multiple connections are required; Pull,' The lack of paper and metal clips in its structural design technology Needles, conductive rubber σ flexible printed circuit boards, hot pressing virtually increase costs, and at the same time ^ 1: = and 'Due to the large number of material parts, the structure is complicated and the manufacturing process is complicated. 5. Description of the invention (3) Summary of the invention The purpose is to install materials and simplify the driving power required for the structure of the f ^ organic light-emitting diode display ... At the same time reduce the waste of excess power, and reduce the display: electrode lead: two: two :: Ming provided -A kind of organic light emitting diode is displayed in a stretched direction and is vertical as a donkey edge The extension leads of a plurality of cathode electrodes are respectively connected to: the receiving end of the Ϊ: number; the side of the transparent substrate, which is a plurality of cathodes: ': Fang Gu; ::: t are arranged at a distance from each other at 44 ^ #. 琼 上' The plurality of first 1% electrode leads are respectively connected to a 4 'of the anode electrode and are arranged at a distance from each other on the transparent base of the anode = I; the plurality of second anode leads are connected to their corresponding true ones. " One end of the electrode is arranged above the side of the transparent substrate at a distance from each other. According to the design concept of the present invention, the arrangement structure of the electrode lead of the organic light emitting diode display is not limited to the above structure, i. / 、 In order for those skilled in the art to understand the purpose, features and effects of the present invention ', the following specific embodiments, in conjunction with the accompanying drawings, will be explained in detail as follows: Page 6 :)丄 IMJUl V. Description of the invention (4) Detailed description of the invention 00 Λ k According to this volume, the cathode lead and the anode lead are arranged on the same side of the transparent substrate of the display. The required driving voltage of the polar display is based on the original:; ::] The energy consumption is increased, and the total of the considered poles or cathodes has to be caused by the display line because of the pole electrode, and the lead wire of the anode electrode is made longer. The resulting display has this cathode electrode current at the instant of the full lead, and at the same time, the line width of the line width indicator is required to lay the wires required for the electrodes to the increased impedance. The pixels need to bear or the cathode is narrowly laid out, and the main driver ’s display is consumed. The cathode leads of this series of lighted multiple leads cause the negative voltage to be used to identify the line received by the substrate from the anode due to the cathode, and the electrode leads cost the cathode high. The other leads or 5 electrodes each The outflow current will be far from the space of the resistance increasing electrode and the outer side, plus the factor that the anode lead cathode current on the negative side is greater than that of the anode. The length of the cathode lead will make the length to solve the aforementioned problem. Use high-conductivity, low-resistance materials to reduce damage. So the cathode lead and the anode =, the electrode and the electrode lead g ·· Cr / Al / Cr, Ti / A1 / Ti) or high-electricity 'wood evening layer metal structure (such as ..., and the cathode electrode makes the material (such as: Abu Ag Function) is close to the organic light emitting diode = and the work function (Work-, Ag); the anode electrode uses a material with high light transmission and -low resistance ^ (such as: a 1, μ-several, and the work function is close to the

V. Description of the invention (5) Steel oxide IT 0, steel zinc oxide machine light-emitting polar element layer material (such as IZO). Secondly, one side of the cathode lead and the anode 2 丨, this design is based on the display of cry == arranged near the cathode electrode and the cathode electrode? The consumption 5 is wasted on the electricity and soil contained in the cathode or cathode lead. It is explained that the consumption of electricity can be minimized because the current N 阴极 of the cathode and Π are larger than those of the anode. / 、 Figures 4A to 4C show the layout structure of the present invention. The two sides of the transparent substrate shown in * are the receiving ends of the signals output by the external drive circuit, and the side 40 is perpendicular to the complex number. The extension direction of each cathode electrode 403. The plurality of cathodes and the cathode lead 404 are respectively connected to a plurality of cathode electrodes 403, and are arranged at intervals above the sides 402 of the transparent substrate 401. β Figure 4 The layout structure of the anode electrode lead of the B series. The figure shows that the plurality of first / first anode leads 406 are respectively connected to one end of the corresponding anode electrode 405, and are arranged on the side 4 of the transparent substrate 4 〇2; In addition, the plurality of anode leads 407 are respectively connected to one end of the corresponding anode electrode 405 and spaced from each other and arranged above the side 402 of the transparent substrate 4 〇1. The figure shows the combination of Figure 4C, Figure 4A, and Figure 4B. Figure 5. Description of the invention (6) Set anode electrodes 405 and cathode electrode leads 4 that cross each other. 4 are placed in the same _: = G On the 6th, the anode reading and the cathode cause: ii ϊ ϋ Example 'If the resistance value of the electrode and the electrode lead does not show a crying thunder: On the premise of excessive consumption, the organic light emitting diode can be restored: 夂The layout structure of :: is not limited to the embodiment in FIG. As shown in FIG. SA to FIG. 5C, they are the embodiment of the present invention. -In general, the maximum resistance of the electrodes and electrode leads is less than 500 ohms, which is an allowable range. FIG. 5A shows the arrangement structure of the anode electrode lead. The figure shows that the side 502 of the transparent substrate 501 is used as the receiving end of the signal output by the external driving circuit, and the side 502 is perpendicular to the anode electrodes 503. Direction of extension. In addition, the plurality of anode leads 504 are respectively connected to the plurality of anode electrodes 503, and are disposed at a distance from each other above the side 502 of the transparent substrate 501. FIG. 5B shows the arrangement structure of the cathode electrode leads. The figure shows that a plurality of first cathode leads 506 are connected to one end of the corresponding cathode electrode 505, and are arranged at intervals above the side 502 of the transparent substrate 501; In addition, a plurality of second cathode leads 507 are respectively connected to one end of the corresponding cathode electrode 505 and are disposed at intervals from each other above the side 502 of the transparent substrate 501. Figure 5C is a combination of Figure 5A and Figure 5B.

Page 9 、 Explanation of the invention (7) = 508 is provided with a plurality of anode electrodes 503 and cathode electrodes 5 intersecting each other. Moreover, the first cathode lead 506, the second cathode lead 507, and the anode lead 504 are all placed above the same side 502. The features of the present invention are introduced below. The present invention can be summarized as follows: The present invention can only connect all the electrodes and the electric circuit by using a single-connection device, so the cost of the material of the present invention is lower than that of the traditional technology, and The process is simpler. • This, = pull out all the electrode leads (piN) on one side of the current transparent substrate ′ the same% to overcome the problem of large amount of power consumption. Ben Shemingchang: For a new design theory +, to erode the e-finance to fight, i 4 4 blades also take care of the mind, so that the display panel. Moreover, there is even more freedom in the design of the display module. • The margin of the overall display module is 卩 $ + 1 person group is the smallest. U amount (or size) is compared to the traditional display module. Although the present invention has been disclosed in a specific embodiment to limit the present invention, any widow is not used, but it is not within the scope of God and each builder. Without deviating from the essence of the present invention, various modifications and retouching scopes can be made. The scope of the patent, as defined in the appended claims, is warranted by ^ this document.

Page 10 510061 Brief description of the drawings Brief description of the drawings Figure 1A is a schematic structural diagram of a conventional organic light emitting diode display. FIG. 1B is a cross-sectional structural view of the display of FIG. 1A in the X-axis direction. FIG. 1C is a cross-sectional structural view in the Y-axis direction of the display of FIG. 1A. Fig. 2 is a schematic diagram of an electrode layout structure of a conventional organic light emitting diode display module. FIG. 3 is not intended for the electrode layout structure of another conventional organic light emitting diode display module. 4A to 4C show a specific embodiment of the present invention. 5A to 5C show another specific embodiment of the present invention. Drawing number description 101 Transparent substrate 102 Protective layer made of inorganic or metallic material 103 Cathode lead 104 Anode electrode

510061 on page 11 Brief description of the diagram 105 Cathode electrode 106 Organic light-emitting diode element layer 107 Insulation layer 108 Cathode partition wall 201 Transparent substrate 202 Cathode lead 203 Anode lead 204 Inorganic or metallic protective layer 205 Display area 206 Flexible printed circuit board 207 drive chip 208 drive signal Wm input terminal 301 transparent substrate 302 cathode lead 303 anode lead 304 protective layer of inorganic or metal material 305 display area 306 flexible printed circuit board 307 printed circuit board 308 drive signal rhyme! Input terminal 401 transparent substrate 402 side Edge 403 cathode electrode 404 cathode lead

510061 on page 12 Brief description of the diagram 4 0 5 anode electrode 406 first anode lead 407 second anode lead 408 display area 501 transparent substrate 502 side 5 0 3 anode electrode 504 anode lead 5 0 5 cathode electrode 506 first cathode lead 507 second cathode lead 508 display area

Page 13

Claims (1)

510061 The scope of the patent application, the layout of the electrode lead of an organic light emitting diode display, the display device includes a plurality of cathode electrodes, a plurality of anode electrodes, and a driving circuit for driving the plurality of cathode electrodes and the ^ 数 # Anode electrode, the layout structure includes: ^ $ a transparent substrate with a side edge, wherein the side edge is perpendicular to the extension direction of the plurality of cathode electrodes, and as the receiving end of the driving circuit input =; A plurality of cathode leads are connected to each other, and the cathode electrodes are respectively connected to each other, and are arranged at intervals above the side of the transparent substrate; one = a plurality of first anode leads, which are respectively connected to the ends of the corresponding anode electrodes, and A plurality of second anode leads are connected to the ends of the corresponding anode electrode, and are arranged at a distance from each other above the side of the transparent substrate. The layout structure according to item 1 of the patent scope, wherein the transparent substrate is a glass or a transparent plastic plate. Such as the scope of patent application! The layout structure described in item 5, wherein the cathode is 510061 6. The scope of the patent application The composition of the electrode is any metal element of aluminum (A1), magnesium (Mg), silver (Ag) or a compound thereof. 4. The layout structure according to item 1 of the scope of the patent application, wherein the anode electrode is composed of indium tin oxide (ITO) or indium oxide (IZ0). 5. The layout structure described in item 1 of the scope of the patent application, wherein the cathode lead, the anode lead, and the second anode lead are all composed of a first chromium (Cr) metal layer and an aluminum (Al) metal layer. And a second chromium (&) metal layer. 6. The layout structure described in item 1 of the scope of the patent application, wherein the cathode lead, the first anode lead, and the second anode lead are all made of a first titanium (Ti) metal layer and an aluminum (A1) metal Layer and a structure of a second 户 (τ family). The layout structure described in item 1 of the scope of "7 :: Shen?", In which the cathode leads \ f an anode lead, and the components of the second anode lead are It is aluminum (A1 j, silver (Ag), gold (Au), palladium (Pd), platinum (pt), or a compound thereof. The arrangement of electrode leads for a metal complex organic light-emitting diode display 7: Display ί Containing a plurality of cathode electrodes, a plurality of anode port electrodes and a driving circuit for driving the plurality of cathode electrodes and the plurality of cathode electrodes On page 15, the patent application covers several anode electrodes, and the layout structure includes: a transparent substrate having one side, wherein the side is perpendicular to the extension direction of the anode electrodes, and serves as the driving power ^: signal The receiving end of the output terminal is connected to a plurality of anode leads respectively connected to the plurality of anode electrodes and arranged at intervals above the side of the transparent substrate. ; :: = lead wire, respectively connected to its corresponding cathode electrode; 鳊, and is arranged at a plurality of second cathode leads above the side of the transparent substrate at this interval, the-ends of the male t, and are spaced from each other: 3 = Corresponding cathode electrode 0 ° ° Above the side of the transparent substrate 9, such as the scope of patent application No. 8-Board or glass-a transparent plastic plate layout structure, where the transparent base 10, as applied for a patent The composition of the 8th electrode ranges from a vaporized structure such as, where the anode is emulsified or indium zinc oxide (UZO). 11. The layout structure as described in the scope of the patent application, wherein the cathode A, the composition of the patent application scope is composed of any metal such as aluminum (Al), magnesium (Mg), silver (Ag) or Compound. 2 = The layout structure described in item 8 of the patent application, wherein the = polar line, 50th-cathode% line, and the second cathode lead are all π a first chromium (Cr) metal layer, A structure composed of an aluminum (A1) metal layer and a second chromium (Cir) metal layer. 13 14 The layout structure according to item 8 in the scope of Sit Lee, wherein the aluminum (A1) metal layer and a second titanium 坌 ^ -the cathode bow line 1 and the second cathode lead are made of a titanium (Ti) ) Metal layer,-(T i) The structure of the metal layer, such as the anode lead of item 8 of the scope of the patent application, and the-female design / structure, where all are I Lu (A ", silver (Ag)丨! And the cup of the component of the second cathode lead s _ soil two Ug), gold (Au), palladium (Pd), platinum (Pt) any metal element or its compound.