TWI811451B - Conductive substrate for a display device - Google Patents
Conductive substrate for a display device Download PDFInfo
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- TWI811451B TWI811451B TW108133141A TW108133141A TWI811451B TW I811451 B TWI811451 B TW I811451B TW 108133141 A TW108133141 A TW 108133141A TW 108133141 A TW108133141 A TW 108133141A TW I811451 B TWI811451 B TW I811451B
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- 239000000758 substrate Substances 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 description 8
- 238000010292 electrical insulation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
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- 239000011810 insulating material Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
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- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
本申請關於一種顯示裝置，尤其是關於顯示裝置用的導電板。 The present application relates to a display device, and in particular to a conductive plate used in the display device.
發光二極體(Light emitting diode；LED)是一種以半導體材料作為發光材料的電子元件，相較于白熾燈和冷陰極螢光燈管(Cold cathode fluorescent lamp；CCFL)的優點為省電、環保、壽命長、體積小和響應快。由於以LED作為自發光源的顯示技術日趨成熟，因此，在顯示市場上為主流產品的LCD顯示器也逐漸被平面化、薄型化及輕量化的LED顯示器所取代。另一方面，LED顯示器也朝大尺寸演進，企圖成為多媒體資訊展示媒介的新寵。 Light emitting diode (LED) is an electronic component that uses semiconductor materials as luminescent materials. Compared with incandescent lamps and cold cathode fluorescent lamps (CCFL), its advantages are power saving and environmental protection. , long life, small size and fast response. As display technology using LED as a self-illuminating source becomes increasingly mature, LCD displays, which are the mainstream products in the display market, are gradually being replaced by flat, thin and lightweight LED displays. On the other hand, LED displays are also evolving towards large sizes, trying to become the new favorite of multimedia information display media.
為了讓LED顯示器的LED晶片陣列中的每個LED晶片能夠被點亮，承載LED晶片陣列的基板與LED晶片陣列之間的導電性必須良好。另一方面，為了讓LED顯示器能夠呈現豐富的顯示畫面以因應各種場合的需要，LED晶片陣列中的LED晶片顆數必須夠多，導致承載LED晶片陣列的基板上的導電線路的數量增加，而減損了顯示器所需的透明度。因此，如何讓承載LED晶片的基板能夠符合各種場合所需的顯示畫面需求，且同時能符合高透明度是本發明所要解決的技術問題。 In order for each LED chip in the LED chip array of the LED display to be lit, the conductivity between the substrate carrying the LED chip array and the LED chip array must be good. On the other hand, in order for the LED display to present rich display images to meet the needs of various occasions, the number of LED chips in the LED chip array must be large enough, resulting in an increase in the number of conductive lines on the substrate carrying the LED chip array, and Detracts from the required transparency of the display. Therefore, how to make the substrate carrying the LED chip meet the display screen requirements required in various occasions and at the same time meet the high transparency is a technical problem to be solved by the present invention.
有鑑於上述問題，本申請發明人提出一種顯示裝置用的導電板。 In view of the above problems, the inventor of the present application proposes a conductive plate for a display device.
本申請一實施例中，所提出的一種顯示裝置用的導電板包含一電絕緣基板、複數電極連接區列、複數第一導電線路、複數第二導電線路和複數第一透明絕緣層。這些電極連接區列彼此分離地位於電絕緣基板上，這些電極連接區列各自具有複數彼此電性隔離且間隔配置成列的電極連接區，這些電極連接區各自具有複數彼此電性隔離的電極接點，這些電極接點包含供一發光源的一共電極電連接用的第一電極接點及供發光源的複數單電極電連接用的複數第二電極接點。各個電極連接區列分隔為複數區段，這些區段至少包含一第一區段及一第二區段。這些第一導電線路彼此分離地位於電絕緣基板上，各個第一導電線路沿鄰近的電極連接區列延伸且電連接至鄰近的電極連接區列的這些電極連接區中的這些第一電極接點。這些第二導電線路彼此分離地位於電絕緣基板上，位於相鄰的兩電極連接區列之間的這些第二導電線路各自的一端電連接至鄰近的電極連接區列的這些電極連接區其中之一的這些第二電極接點其中之一。這些第一透明電絕緣層彼此分離地位於電絕緣基板上，且各自位於電連接至同一電極連接區列的第一區段內的這些電極連接區的這些第二導電線路和電連接至同一電極連接區列的第二區段內的這些電極連接區的這些第二導電線路之間。此外，電連接至同一電極連接區列的第二區段內的這些電極連接區的這些第二導電線路和電連接至同一電極連接區列的第一區段內的這些電極連接區的這些第二導電線路被這些第一透明電絕緣層其中之一電性隔離且至少有部份在顯示裝置的顯示方向上對應重疊。 In one embodiment of the present application, a conductive plate for a display device is proposed, which includes an electrically insulating substrate, a plurality of electrode connection area rows, a plurality of first conductive lines, a plurality of second conductive lines, and a plurality of first transparent insulating layers. The rows of electrode connection areas are separately located on the electrically insulating substrate. Each of the rows of electrode connection areas has a plurality of electrode connection areas that are electrically isolated from each other and arranged in rows. Each of the rows of electrode connection areas has a plurality of electrode connections that are electrically isolated from each other. These electrode contacts include first electrode contacts for electrically connecting a common electrode of a light-emitting source and a plurality of second electrode contacts for electrically connecting a plurality of single electrodes of the light-emitting source. Each electrode connection section is divided into a plurality of sections, and these sections at least include a first section and a second section. These first conductive lines are located separately from each other on the electrically insulating substrate. Each first conductive line extends along adjacent rows of electrode connection areas and is electrically connected to the first electrode contacts in the electrode connection areas of adjacent rows of electrode connection areas. . These second conductive lines are located on the electrically insulating substrate separately from each other. One end of each of the second conductive lines located between two adjacent rows of electrode connection areas is electrically connected to one of the electrode connection areas of the adjacent row of electrode connection areas. One of these second electrode contacts. The first transparent electrically insulating layers are located on the electrically insulating substrate separately from each other, and are each located on the second conductive lines of the electrode connection areas in the first section of the same electrode connection area row and are electrically connected to the same electrode. The electrodes in the second section of the connection zone row are between the second conductive lines of the connection zone. In addition, the second conductive lines are electrically connected to the electrode connection areas in the second section of the same electrode connection area array and the third conductive lines are electrically connected to the electrode connection areas in the first section of the same electrode connection area array. The two conductive lines are electrically isolated by one of the first transparent electrical insulating layers and at least partially overlap in the display direction of the display device.
一實施例中，所提出的一種顯示裝置用的導電板更包含複數聯外電連接區，位於電絕緣基板的一側邊的鄰近表面上且各自和一這些電極連接 區列對應，這些聯外電連接區各自具有複數彼此分離且配置成複數行的電連接墊，這些第二導電線路的另一端分別電連接至這些電連接墊。 In one embodiment, the proposed conductive plate for a display device further includes a plurality of external electrical connection areas located on an adjacent surface of one side of the electrically insulating substrate and each of which is connected to one of the electrodes. Corresponding to the area columns, each of the external electrical connection areas has a plurality of electrical connection pads that are separated from each other and arranged in a plurality of rows. The other ends of the second conductive lines are electrically connected to the electrical connection pads respectively.
一實施例中，所提出的一種顯示裝置用的導電板的各個聯外電連接區內的這些電連接墊的配置行數相等於對應的電極連接區列的這些區段個數。 In one embodiment, the number of rows of electrical connection pads in each external electrical connection area of a conductive plate for a display device is equal to the number of sections in the corresponding electrode connection area columns.
一實施例中，所提出的一種顯示裝置用的導電板的同一電極連接區列的第一區段內的這些電極連接區和對應的聯外電連接區之間的距離大於同一電極連接區列的第二區段內的這些電極連接區和對應的聯外電連接區之間的距離，且電連接至同一電極連接區列的第一區段內的這些電極連接區的這些第二導電線路的每單位距離阻抗小於電連接至同一電極連接區列的第二區段內的這些電極連接區的這些第二導電線路的每單位距離阻抗。 In one embodiment, the distance between the electrode connection areas and the corresponding external electrical connection areas in the first section of the same electrode connection area row of the conductive plate for the proposed display device is greater than the distance between the same electrode connection area row. The distance between the electrode connection areas in the second section and the corresponding external electrical connection area, and each of the second conductive lines electrically connected to the electrode connection areas in the first section of the same electrode connection area row The impedance per unit distance is less than the impedance per unit distance of the second conductive lines electrically connected to the electrode connection areas in the second section of the same electrode connection area row.
一實施例中，所提出的一種顯示裝置用的導電板的電連接至同一電極連接區列的第一區段內的這些電極連接區的這些第二導電線路的外表面具有一銅層。 In one embodiment, the outer surface of the conductive plate for the proposed display device that is electrically connected to the second conductive lines in the electrode connection areas in the first section of the same electrode connection area row has a copper layer.
一實施例中，所提出的一種顯示裝置用的導電板更包含複數第二透明電絕緣層，彼此分離地位於電絕緣基板上，其中，這些電極連接區列各自分隔的這些區段更包含一第三區段，這些第二透明電絕緣層各自位於電連接至同一電極連接區列的第三區段內的這些電極連接區的這些第二導電線路和電連接至同一電極連接區列的第二區段內的這些電極連接區的這些第二導電線路之間，且電連接至同一電極連接區列的第三區段內的這些電極連接區的這些第二導電線路和電連接至同一電極連接區列該第二區段內的這些電極連接區的這 些第二導電線路被這些第二透明電絕緣層其中之一電性隔離且至少有部份於顯示裝置的顯示方向上對應重疊。 In one embodiment, the proposed conductive plate for a display device further includes a plurality of second transparent electrically insulating layers, which are separately located on the electrically insulating substrate, wherein the sections separated by the electrode connection sections further include a In the third section, the second transparent electrically insulating layers are respectively located on the second conductive lines electrically connected to the electrode connection areas in the third section of the same electrode connection area row and the second conductive lines electrically connected to the same electrode connection area row. The second conductive lines of the electrode connection areas in the two sections are electrically connected to the second conductive lines of the electrode connection areas in the third section of the same electrode connection area row and are electrically connected to the same electrode. The connection area of the electrode connection areas in the second section is The second conductive lines are electrically isolated by one of the second transparent electrical insulating layers and at least partially overlap in the display direction of the display device.
一實施例中，所提出的一種顯示裝置用的導電板的同一電極連接區列的第二區段內的這些電極連接區和對應的聯外電連接區之間的距離大於同一電極連接區列的第三區段內的這些電極連接區和對應的聯外電連接區之間的距離，且電連接至同一電極連接區列的第二區段內的這些電極連接區的這些第二導電線路的每單位距離阻抗大於電連接至同一電極連接區列的第一區段內的這些電極連接區的這些第二導電線路的每單位距離阻抗但小於電連接至同一電極連接區列的第三區段內的這些電極連接區的這些第二導電線路的每單位距離阻抗。 In one embodiment, the distance between the electrode connection areas and the corresponding external electrical connection areas in the second section of the same electrode connection area row of the conductive plate for the proposed display device is greater than the distance between the same electrode connection area row. The distance between the electrode connection areas in the third section and the corresponding external electrical connection area, and each of the second conductive lines electrically connected to the electrode connection areas in the second section of the same electrode connection area row The impedance per unit distance is greater than the impedance per unit distance of the second conductive lines electrically connected to the electrode connection areas in the first section of the same electrode connection area array but smaller than the impedance per unit distance of the second conductive lines electrically connected to the third section of the same electrode connection area array The impedance per unit distance of the second conductive lines in the electrode connection areas.
一實施例中，所提出的一種顯示裝置用的導電板的電連接至同一電極連接區列的第二區段內的這些電極連接區的這些第二導電線路的外表面具有形成一電隔離層的一第一部份及形成一銅層的一第二部份，電隔離層及銅層位於同一面上。 In one embodiment, the outer surface of the conductive plate for the proposed display device that is electrically connected to the second conductive lines of the electrode connection areas in the second section of the same electrode connection area row has an electrical isolation layer formed thereon. A first part and a second part forming a copper layer, the electrical isolation layer and the copper layer are on the same surface.
一實施例中，所提出的一種顯示裝置用的導電板的第一導電線路及第二導電線路的材質為金屬，且電連接至同一電極連接區列的第一區段內的這些電極連接區的這些第二導電線路和電連接至同一電極連接區列的第一導電線路位於同一面上。 In one embodiment, the first conductive line and the second conductive line of the conductive plate of the proposed display device are made of metal and are electrically connected to the electrode connection areas in the first section of the same electrode connection area row. These second conductive lines and the first conductive lines electrically connected to the same electrode connection area row are located on the same surface.
一實施例中，所提出的一種顯示裝置用的導電板更具有一透明導電圖案層，其位於電絕緣基板上且和電絕緣基板的表面接觸，其中，這些電極接點位於透明導電圖案層上且接觸透明導電圖案層的表面。 In one embodiment, the proposed conductive plate for a display device further has a transparent conductive pattern layer located on the electrically insulating substrate and in contact with the surface of the electrically insulating substrate, wherein the electrode contacts are located on the transparent conductive pattern layer. and contact the surface of the transparent conductive pattern layer.
本發明各實施例所提出的顯示裝置用的導電板的電極連接區列、第一導電線路及第二導電線路具有高導電性。一方面，同一列的這些電極連接區的這些第一電極接點均與鄰近的第一導電線路電連接，因而簡化了發光源的共電極的導電線路的走線。另一方面，電連接至同一列的這些電極連接區的這些第二電極接點的這些第二導電線路以分區段位於不同層的方式實現了重疊走線，因而解決了大尺寸顯示裝置的發光源的單電極的導電線路增多的情況下所導致的透明度降低問題。總的來說，本申請提出的技術方案降低了所有自電極連接區列的電極接點連接至導電板外圍的導電線路在導電板上所佔據的區域比例，進一步提高了顯示裝置用的導電板的透明度，且透過圖案化製程簡化了顯示裝置的導電板的製作複雜度。 The electrode connection areas, the first conductive lines, and the second conductive lines of the conductive plate used in the display device proposed by various embodiments of the present invention have high conductivity. On the one hand, the first electrode contacts of the electrode connection areas in the same column are all electrically connected to adjacent first conductive lines, thus simplifying the wiring of the conductive lines of the common electrode of the light source. On the other hand, the second conductive lines electrically connected to the second electrode contacts of the electrode connection areas of the same column are located in different layers in sections to realize overlapping wiring, thus solving the problem of luminescence of large-size display devices. The problem of reduced transparency caused by the increase in the number of conductive lines on a single electrode of the source. In general, the technical solution proposed by this application reduces the proportion of the area occupied by all the conductive lines connected from the electrode contacts of the electrode connection area to the periphery of the conductive plate on the conductive plate, further improving the conductive plate for display devices. transparency, and the patterning process simplifies the manufacturing complexity of the conductive plate of the display device.
1:顯示裝置用的導電板 1: Conductive plate for display device
10:電絕緣基板 10: Electrically insulating substrate
10a:側邊 10a: Side
101:透明導電圖案層 101:Transparent conductive pattern layer
11:電極連接區列 11:Electrode connection area column
111:電極連接區 111:Electrode connection area
112a:電極接點 112a:Electrode contact
112b:電極接點 112b:Electrode contact
112c:電極接點 112c:Electrode contact
112d:電極接點 112d:Electrode contact
12:第一導電線路 12: First conductive line
13:第二導電線路 13: Second conductive line
13a:電連接至第一區段的電極連接區的第二導電線路 13a: Second conductive trace electrically connected to the electrode connection area of the first section
13b:電連接至第二區段的電極連接區的第二導電線路 13b: Second conductive line electrically connected to the electrode connection area of the second section
13c:電連接至第三區段的電極連接區的第二導電線路 13c: Second conductive trace electrically connected to the electrode connection area of the third section
131:第一導電層 131: First conductive layer
132:第二導電層 132: Second conductive layer
133:第三導電層 133:Third conductive layer
141:第一透明電絕緣層 141: First transparent electrical insulation layer
142:第二透明電絕緣層 142: Second transparent electrical insulation layer
15:聯外電連接區 15: External electrical connection area
151:電連接墊 151: Electrical connection pad
1511:右行的電連接墊 1511: Electrical connection pads on the right row
1512:中行的電連接墊 1512: BOC’s electrical connection pad
1513:左行的電連接墊 1513: Electrical connection pads on the left row
40:第一部份 40:Part One
50:電隔離層 50: Electrical isolation layer
60:第二部份 60:Part 2
70:金屬層 70:Metal layer
A:第一區段 A:First section
B:第二區段 B:Second section
C:第三區段 C: The third section
圖1是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的電極連接區列。 FIG. 1 is a schematic plan view showing an array of electrode connection areas of a conductive plate used in a display device according to an embodiment of the present invention.
圖2是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的各個電極連接區列的第一導電線路和第二導電線路。 FIG. 2 is a schematic plan view showing first conductive lines and second conductive lines of each electrode connection area array of a conductive plate for a display device according to an embodiment of the present invention.
圖3是一剖視圖，顯示圖2中的A-A剖面。 FIG. 3 is a sectional view showing the A-A section in FIG. 2 .
圖4是一剖視圖，顯示圖2中的B-B剖面。 FIG. 4 is a cross-sectional view showing the B-B section in FIG. 2 .
圖5是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的第二導電線路的具有電隔離層的部份和具有金屬層的部分。 FIG. 5 is a schematic plan view showing a portion of a second conductive trace of a conductive plate for a display device according to an embodiment of the present invention, with an electrical isolation layer and a metal layer.
圖6是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的聯外電連接區。 FIG. 6 is a schematic plan view showing an external electrical connection area of a conductive plate used in a display device according to an embodiment of the present invention.
本發明揭示一種顯示裝置用的導電板。以下文中說明所對照的圖示，意在表達與本發明有關的特徵及便於理解的含義，並未依據實際尺寸完整繪製，亦不對本發明構成限定，在先聲明。此外，以下文中所敘及的技術用語的意思如有與所屬技術領域的通常用語的意思不同時，以文中所敘及的技術用語的意思為準。 The invention discloses a conductive plate for a display device. The illustrations compared with the following description are intended to express the features related to the present invention and to facilitate understanding. They are not completely drawn according to the actual size, and do not limit the present invention, as stated in advance. In addition, if the meaning of the technical terms described below is different from the meaning of common terms in the relevant technical field, the meaning of the technical terms described in the article shall prevail.
圖1是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的電極連接區列。圖2是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的各個電極連接區列的第一導電線路和第二導電線路。請參照圖1及圖2，一實施例中，顯示裝置用的導電板1具有一電絕緣基板10、多個電極連接區列11、多個第一導電線路12、多個第二導電線路13及多個第一透明電絕緣層141。本實施例中，這些電極連接區列11彼此分離地位於電絕緣基板10上，這些電極連接區列11各自具有多個彼此電性隔離且間隔配置成列的電極連接區111，這些電極連接區111各自具有多個彼此電性隔離的電極接點112a、112b、112c及112d，其中電極接點112a供一發光源的一共電極電連接用，電極接點112b、112c和112d分別供發光源的多個單電極電連接用。後文中，電極接點112a簡稱為第一電極接點，電極接點112b、112c和112d簡稱為第二電極接點。另一實施例中，顯示裝置用的導電板1的電絕緣基板10上還具有一透明導電圖案層101，透明導電圖案層101與電絕緣基板10的表面接觸，而電極接點112a、112b、112c及112d位於透明導電圖案層101上且接觸透明導電圖案層101的表面。透明導電圖案層101可用來提升這些電極接點的散熱效果，例如是一層以濺鍍或蒸鍍的方式所形成的氧化銦錫(ITO)膜、氟摻雜 氧化錫(FTO)膜、氧化鋅(ZnO)膜或氧化鋁鋅(AZO)膜。所述的電絕緣基板10可以為透明的電絕緣基板，以構成透明的顯示裝置，電絕緣基板10的材質例如是玻璃、陶瓷、氮化鋁陶瓷、聚碳酸酯、聚對苯甲酸乙二酯、聚醯亞胺或環狀烯烴共聚物。所述的發光源例如是可發出紅光、藍光和綠光的LED燈珠，而所述的發光源的共電極例如是LED燈珠的電壓輸入電極，所述的發光源的單電極例如是LED燈珠的紅光、藍光及綠光的接地電極。 FIG. 1 is a schematic plan view showing an array of electrode connection areas of a conductive plate used in a display device according to an embodiment of the present invention. FIG. 2 is a schematic plan view showing first conductive lines and second conductive lines of each electrode connection area array of a conductive plate for a display device according to an embodiment of the present invention. Please refer to FIGS. 1 and 2 . In one embodiment, the conductive plate 1 for a display device has an electrically insulating substrate 10 , a plurality of electrode connection areas 11 , a plurality of first conductive lines 12 , and a plurality of second conductive lines 13 and a plurality of first transparent electrically insulating layers 141. In this embodiment, these electrode connection area rows 11 are located on the electrically insulating substrate 10 separately from each other. Each of these electrode connection area rows 11 has a plurality of electrode connection areas 111 that are electrically isolated from each other and arranged in columns at intervals. These electrode connection areas 111 each has a plurality of electrode contacts 112a, 112b, 112c and 112d that are electrically isolated from each other. The electrode contact 112a is used for electrical connection to a common electrode of a light-emitting source, and the electrode contacts 112b, 112c and 112d are used for electrical connection of a light-emitting source. For electrical connection of multiple single electrodes. Hereinafter, the electrode contact 112a is simply called the first electrode contact, and the electrode contacts 112b, 112c, and 112d are simply called the second electrode contact. In another embodiment, the electrically insulating substrate 10 of the conductive plate 1 for a display device also has a transparent conductive pattern layer 101. The transparent conductive pattern layer 101 is in contact with the surface of the electrically insulating substrate 10, and the electrode contacts 112a, 112b, 112c and 112d are located on the transparent conductive pattern layer 101 and contact the surface of the transparent conductive pattern layer 101. The transparent conductive pattern layer 101 can be used to improve the heat dissipation effect of these electrode contacts, such as a layer of indium tin oxide (ITO) film formed by sputtering or evaporation, fluorine doping Tin oxide (FTO) film, zinc oxide (ZnO) film or aluminum zinc oxide (AZO) film. The electrically insulating substrate 10 may be a transparent electrically insulating substrate to form a transparent display device. The electrically insulating substrate 10 may be made of, for example, glass, ceramics, aluminum nitride ceramics, polycarbonate, or polyethylene terephthalate. , polyimide or cyclic olefin copolymer. The light-emitting source is, for example, an LED lamp bead that can emit red light, blue light, and green light. The common electrode of the light-emitting source is, for example, the voltage input electrode of the LED lamp bead. The single electrode of the light-emitting source is, for example, The ground electrode of the red light, blue light and green light of the LED lamp bead.
請繼續參照圖1及圖2，這些第一導電線路12彼此分離地位於電絕緣基板10上，這些第一導電線路12各自沿鄰近的電極連接區列11延伸且電連接至鄰近的電極連接區列11的這些電極連接區111中的這些第一電極接點112a。這些第二導電線路13彼此分離地設置於電絕緣基板10上，較佳地以各自平行於電極連接區列11的方式延伸。這些位於相鄰的兩電極連接區列11之間的第二導電線路13各自的一端電連接至鄰近的電極連接區列11的這些電極連接區111其中之一的第二電極接點112b、112c和112d其中之一。這些第一導電線路12及這些第二導電線路13可以是以網版印刷或噴印方式經圖案化處理後形成於同一導電層上或不同的導電層上。這些第一導電線路12及這些第二導電線路13的材質較佳為金屬。 Please continue to refer to FIGS. 1 and 2 . These first conductive lines 12 are located separately on the electrically insulating substrate 10 . Each of these first conductive lines 12 extends along the adjacent electrode connection area rows 11 and is electrically connected to the adjacent electrode connection area. The electrodes of column 11 are connected to the first electrode contacts 112a in region 111 . These second conductive lines 13 are arranged separately from each other on the electrically insulating substrate 10 , preferably extending parallel to the electrode connection area rows 11 . One end of each of the second conductive lines 13 located between two adjacent electrode connection area rows 11 is electrically connected to the second electrode contact 112b, 112c of one of the electrode connection areas 111 of the adjacent electrode connection area row 11 and 112d one of them. The first conductive lines 12 and the second conductive lines 13 may be formed on the same conductive layer or on different conductive layers after patterning by screen printing or jet printing. The material of these first conductive lines 12 and these second conductive lines 13 is preferably metal.
圖3是一剖視圖，顯示圖2中的A-A剖面。圖4是一剖視圖，顯示圖2中的B-B剖面。請參照圖2、圖3及圖4，一實施例中，這些電極連接區列11各自分隔成多個區段，各個電極連接區列11的這些區段至少包含一第一區段A和一第二區段B，第一區段A和第二區段B屬於同一列上的不同區段。換言之，這些電極連接區列11各自至少包含第一區段A的電極連接區111和第二區段B的電極連接區111，且這些第二導電線路13至少包含電連接至同一電極連接區列 11的第一區段A內的這些電極連接區111的這些第二導電線路13a和電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b。此外，分別電連接至同一電極連接區列11的第一區段A內和第二區段B內的這些電極連接區111中的這些第二電極接點112b、112c和112d的所有第二導電線路13a和13b的另一端均被導引至位於電絕緣基板10的一側邊10a的鄰近表面上的和同一電極連接區列11對應的一聯外電連接區15中且分別和對應的聯外電連接區15中的多個配置成多個行的電連接墊151(示於圖6)構成電連接。這些聯外電連接區15各自具有的電連接墊151的配置行數相等於對應的電極連接區列11的分隔區段的個數。 FIG. 3 is a sectional view showing the A-A section in FIG. 2 . FIG. 4 is a cross-sectional view showing the B-B section in FIG. 2 . Please refer to FIGS. 2 , 3 and 4 . In one embodiment, the electrode connection area rows 11 are each divided into multiple sections. Each of the sections of the electrode connection area rows 11 at least includes a first section A and a first section A. The second section B, the first section A and the second section B belong to different sections on the same column. In other words, each of these electrode connection area rows 11 includes at least the electrode connection area 111 of the first section A and the electrode connection area 111 of the second section B, and these second conductive lines 13 at least include electrically connected to the same electrode connection area row. The second conductive lines 13a of the electrode connection areas 111 in the first section A of 11 and the second conductive lines electrically connected to the electrode connection areas 111 in the second section B of the same electrode connection area column 11 13b. In addition, all the second conductive points 112b, 112c and 112d in the electrode connection areas 111 in the first section A and the second section B of the same electrode connection area row 11 are respectively electrically connected to each other. The other ends of the lines 13a and 13b are both led to an external electrical connection area 15 corresponding to the same electrode connection area row 11 on the adjacent surface of one side 10a of the electrically insulating substrate 10 and are respectively connected to the corresponding external electrical connection area. A plurality of electrical connection pads 151 (shown in FIG. 6 ) arranged in rows in the connection area 15 constitute electrical connections. The number of rows of electrical connection pads 151 each of these external electrical connection areas 15 has is equal to the number of separation sections of the corresponding electrode connection area column 11 .
請繼續參照圖2、圖3及圖4，一實施例中，顯示裝置用的導電板1所具有的多個第一透明電絕緣層141，彼此分離地位於電絕緣基板10上，這些第一透明電絕緣層141各自位於電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a和電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b之間，且電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b和電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a至少有部份於顯示裝置的顯示方向(如圖所示的紙面法線方向)上對應重疊。詳細地說，電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a形成於第一導電層131中，而電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b形成於第二導電層132中。第二導電層132和第一導電層131不在同一面。第二導電層132及第一導電層131被第一透明電絕緣層141電性隔離。 Please continue to refer to FIG. 2, FIG. 3 and FIG. 4. In one embodiment, the conductive plate 1 for the display device has a plurality of first transparent electrical insulating layers 141, which are separately located on the electrical insulating substrate 10. These first The transparent electrical insulating layer 141 is respectively located at the second conductive lines 13 a that are electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area row 11 and the second area that is electrically connected to the same electrode connection area row 11 The second conductive lines 13b of the electrode connection areas 111 in the section B are electrically connected to the second conductive lines 13b of the electrode connection areas 111 in the second section B of the same electrode connection area row 11. The second conductive lines 13a electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area row 11 are at least partially in the display direction of the display device (the normal direction of the paper as shown in the figure) corresponding overlap. In detail, the second conductive lines 13a electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area row 11 are formed in the first conductive layer 131 and are electrically connected to the same electrode connection area. The second conductive lines 13 b of the electrode connection areas 111 in the second section B of the column 11 are formed in the second conductive layer 132 . The second conductive layer 132 and the first conductive layer 131 are not on the same surface. The second conductive layer 132 and the first conductive layer 131 are electrically isolated by the first transparent electrical insulation layer 141 .
請繼續參照圖2、圖3及圖4，另一實施例中，這些電極連接區列11各自的分隔區段除了前述的第一區段A、第二區段B外，還可以包含一第三區段C，第三區段C、第一區段A和第二區段B屬於同一列的不同區段。換言之，這些電極連接區列11各自至少包含第一區段A的電極連接區111、第二區段B的電極連接區111和第三區段C的電極連接區111，且這些第二導電線路13至少包含電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a、電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b和電連接至同一電極連接區列11的第三區段C內的這些電極連接區111的這些第二導電線路13c。此外，分別電連接至同一電極連接區列11的第一區段A內、第二區段B內和第三區段C內的這些電極連接區111中的這些第二電極接點112b、112c和112d的所有第二導電線路13a、13b和13c的另一端均被導引至位於電絕緣基板10的一側邊10a的鄰近表面上的和同一電極連接區列11對應的一聯外電連接區15中且分別和對應的聯外電連接區15中的多個配置成多個行的電連接墊151(示於圖6)構成電連接。這些聯外電連接區15各自具有的電連接墊151的配置行數相等於對應的電極連接區列11的分隔區段的個數。 Please continue to refer to FIG. 2, FIG. 3 and FIG. 4. In another embodiment, in addition to the aforementioned first section A and second section B, the respective separated sections of the electrode connection section rows 11 may also include a third section. Three sections C, the third section C, the first section A and the second section B belong to different sections of the same column. In other words, each of these electrode connection area rows 11 includes at least the electrode connection area 111 of the first section A, the electrode connection area 111 of the second section B, and the electrode connection area 111 of the third section C, and these second conductive lines 13 at least includes the second conductive lines 13a that are electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area array 11, and are electrically connected to the second conductive lines 13a in the second section B of the same electrode connection area array 11. The second conductive lines 13b of the electrode connection areas 111 are electrically connected to the second conductive lines 13c of the electrode connection areas 111 in the third section C of the same electrode connection area column 11. In addition, they are electrically connected to the second electrode contacts 112b and 112c in the electrode connection areas 111 in the first section A, the second section B and the third section C of the same electrode connection area row 11 respectively. The other ends of all second conductive lines 13a, 13b and 13c of 112d are led to a pair of external electrical connection areas located on the adjacent surface of one side 10a of the electrically insulating substrate 10 and corresponding to the same electrode connection area row 11 15 and are electrically connected to a plurality of electrical connection pads 151 (shown in FIG. 6 ) arranged in multiple rows in the corresponding external electrical connection area 15 . The number of rows of electrical connection pads 151 each of these external electrical connection areas 15 has is equal to the number of separation sections of the corresponding electrode connection area column 11 .
請繼續參照圖2、圖3及圖4，另一實施例中，顯示裝置用的導電板1還具有多個第二透明電絕緣層142，彼此分離地位於電絕緣基板10上，這些第二透明電絕緣層142各自位於電連接至同一電極連接區列11的第三區段C內的這些電極連接區111的這些第二導電線路13c和電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b之間，且電連接至同一電極連接區列11的第三區段C內的這些電極連接區111的這些第二導電線路 13c和電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b至少有部份於顯示裝置的顯示方向(如圖所示的紙面法線方向)上對應重疊。詳細地說，電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a形成於第一導電層131中，電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b形成於第二導電層132中，而電連接至同一電極連接區列11的第三區段C內的這些電極連接區111的這些第三導電線路13c形成於第三導電層133中。第三導電層133、第二導電層132和第一導電層131分別在不同面。第二導電層132及第一導電層131被第一透明電絕緣層141電性隔離。第三導電層133及第二導電層132被第二透明電絕緣層142電性隔離。 Please continue to refer to Figures 2, 3 and 4. In another embodiment, the conductive plate 1 for the display device also has a plurality of second transparent electrical insulating layers 142, which are separately located on the electrical insulating substrate 10. These second transparent electrical insulating layers 142 are separated from each other. The transparent electrical insulating layer 142 is respectively located on the second conductive lines 13c electrically connected to the electrode connection areas 111 in the third section C of the same electrode connection area row 11 and the second area electrically connected to the same electrode connection area row 11 The electrode connection areas 111 in section B are between the second conductive lines 13b and are electrically connected to the second conductive lines in the electrode connection area 111 in the third section C of the same electrode connection area row 11 13c and the second conductive lines 13b electrically connected to the electrode connection areas 111 in the second section B of the same electrode connection area row 11 are at least partially in the display direction of the display device (the normal line on the paper as shown in the figure direction) corresponding overlap. In detail, the second conductive lines 13a electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area row 11 are formed in the first conductive layer 131 and are electrically connected to the same electrode connection area row. The second conductive lines 13b of the electrode connection areas 111 in the second section B of 11 are formed in the second conductive layer 132 and are electrically connected to the electrodes in the third section C of the same electrode connection area row 11 These third conductive lines 13c of the connection area 111 are formed in the third conductive layer 133. The third conductive layer 133, the second conductive layer 132 and the first conductive layer 131 are respectively on different surfaces. The second conductive layer 132 and the first conductive layer 131 are electrically isolated by the first transparent electrical insulation layer 141 . The third conductive layer 133 and the second conductive layer 132 are electrically isolated by the second transparent electrical insulation layer 142 .
請繼續參照圖3，一實施例中，電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a和電連接至同一電極連接區列11的這些電極連接區111的第一導電線路12可形成於同一導電層中而位於同一面上。 Please continue to refer to FIG. 3 . In one embodiment, the second conductive lines 13 a electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area row 11 are electrically connected to the same electrode connection area row 11 The first conductive lines 12 of these electrode connection areas 111 may be formed in the same conductive layer and located on the same surface.
請繼續參照圖2，一實施例中，同一電極連接區列11的第一區段A內的這些電極連接區111和對應的聯外電連接區15之間的距離大於同一電極連接區列11的第二區段B內的這些電極連接區111和對應的聯外電連接區15之間的距離，且電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a的每單位距離阻抗小於電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b的每單位距離阻抗。另一實施例中，同一電極連接區列11的第二區段B內的這些電極連接區111和對應的聯外電連接區15之間的距離大於同一電極連接區列11的第三區段C內 的這些電極連接區111和對應的聯外電連接區15之間的距離，且電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b的每單位距離阻抗大於電連接至同一電極連接區列11的第一區段A內的這些電極連接區111的這些第二導電線路13a的每單位距離阻抗和小於電連接至同一電極連接區列11的第三區段C內的這些電極連接區111的這些第二導電線路13c的每單位距離阻抗，以使顯示裝置的整體亮度均勻。 Please continue to refer to FIG. 2 . In one embodiment, the distance between these electrode connection areas 111 in the first section A of the same electrode connection area row 11 and the corresponding external electrical connection area 15 is greater than the distance between the same electrode connection area row 11 The distance between the electrode connection areas 111 in the second section B and the corresponding external electrical connection area 15 and is electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area row 11 The impedance per unit distance of the second conductive lines 13 a is smaller than the impedance per unit distance of the second conductive lines 13 b electrically connected to the electrode connection areas 111 in the second section B of the same electrode connection area row 11 . In another embodiment, the distance between these electrode connection areas 111 in the second section B of the same electrode connection area row 11 and the corresponding external electrical connection area 15 is greater than the third section C of the same electrode connection area row 11 within The distance between these electrode connection areas 111 and the corresponding external electrical connection areas 15, and the second conductive lines 13b electrically connected to the electrode connection areas 111 in the second section B of the same electrode connection area row 11 The impedance per unit distance is greater than the impedance per unit distance of the second conductive lines 13 a that are electrically connected to the electrode connection areas 111 in the first section A of the same electrode connection area array 11 and is smaller than the impedance per unit distance that is electrically connected to the same electrode connection area array 11 The impedance per unit distance of the second conductive lines 13c of the electrode connection areas 111 in the third section C is such that the overall brightness of the display device is uniform.
請繼續參照圖2，一實施例中，同一電極連接區列11中，電連接至第一區段A內的這些電極連接區111的這些第二導電線路13a的外表面具有一不同於其內部材質的高導電性金屬層，例如銅層，以提升導電性；電連接至第二區段B內的這些電極連接區111的這些第二導電線路13b的外表面僅一部份具有一不同於其內部材質的高導電金屬層，例如銅層，且在其他部份不具有此高導電金屬層；電連接至第三區段C內的這些電極連接區111的這些第二導電線路13c的外表面完全不具有不同於其內部材質的高導電性金屬層，藉此來實現電連接至第二區段B內的這些電極連接區111的這些第二導電線路13b的每單位距離阻抗大於電連接至第一區段A內的這些電極連接區111的這些第二導電線路13a的每單位距離阻抗和小於電連接至第三區段C內的這些電極連接區111的這些第二導電線路13c的每單位距離阻抗。 Please continue to refer to FIG. 2. In one embodiment, in the same electrode connection area row 11, the outer surfaces of the second conductive lines 13a that are electrically connected to the electrode connection areas 111 in the first section A have a structure different from the inner surface thereof. A highly conductive metal layer of material, such as a copper layer, is used to improve conductivity; only a portion of the outer surface of the second conductive lines 13b electrically connected to the electrode connection areas 111 in the second section B has a structure different from Its internal material is a highly conductive metal layer, such as a copper layer, and there is no such highly conductive metal layer in other parts; the outside of the second conductive lines 13c that are electrically connected to the electrode connection areas 111 in the third section C The surface does not have a highly conductive metal layer that is different from its internal material at all, thereby realizing that the impedance per unit distance of the second conductive lines 13b electrically connected to the electrode connection areas 111 in the second section B is greater than that of the electrical connection. The sum of impedances per unit distance of the second conductive lines 13a to the electrode connection areas 111 in the first section A is smaller than that of the second conductive lines 13c electrically connected to the electrode connection areas 111 in the third section C. Impedance per unit distance.
圖5是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的第二導電線路的具有電隔離層的部份和具有金屬層的部分。如圖5所示，為了實現圖2中的電連接至同一電極連接區列11的第二區段B內的這些電極連接區111的這些第二導電線路13b的外表面僅一部份具有一不同於其內部材質的高導電金屬層且在其他部份不具有此高導電金屬層，可先將電性絕緣材料塗 佈在第二導電線路13b的外表面的一第一部份40，以形成一電隔離層50，再將金屬材料，例如銅材料，鍍在第二導電線路13b的外表面的一第二部份60，以形成金屬層70，例如是銅層，電隔離層50及金屬層70位於同一面上。依此方式，可依實際需求調整第二導電線路13b的電阻值。所述電性絕緣材料的塗佈方式例如是網印，而所述金屬材料的鍍層方式例如是化學鍍或電鍍。 FIG. 5 is a schematic plan view showing a portion of a second conductive trace of a conductive plate for a display device according to an embodiment of the present invention, with an electrical isolation layer and a metal layer. As shown in FIG. 5 , in order to realize the electrical connection to the electrode connection areas 111 in the second section B of the same electrode connection area row 11 in FIG. 2 , only a portion of the outer surface of the second conductive lines 13 b has a It is different from the highly conductive metal layer of its internal material and does not have this highly conductive metal layer in other parts. The electrical insulating material can be coated first. Distribute a first portion 40 on the outer surface of the second conductive line 13b to form an electrical isolation layer 50, and then plate a metal material, such as copper material, on a second portion of the outer surface of the second conductive line 13b. Part 60 is used to form a metal layer 70, such as a copper layer, and the electrical isolation layer 50 and the metal layer 70 are located on the same surface. In this way, the resistance value of the second conductive line 13b can be adjusted according to actual needs. The coating method of the electrical insulating material is, for example, screen printing, and the plating method of the metal material is, for example, chemical plating or electroplating.
圖6是一平面示意圖，顯示依據本發明一實施例的顯示裝置用的導電板的聯外電連接區。請參照圖1、圖2及圖6，一實施例中，電連接至同一電極連接區列11的各個電極連接區111中的第二電極接點112b、112c和112d的所有第二導電線路13的另一端均被導引至位於電絕緣基板10的一側邊10a的鄰近表面上的和同一電極連接區列11對應的一聯外電連接區15中且分別和對應的聯外電連接區15中的多個配置成多個行的電連接墊151構成電連接。這些聯外電連接區15各自具有的電連接墊151的配置行數相等於對應的電極連接區列11的分隔區段的個數。如圖2及圖6所示，電連接墊151的配置行數為三，包含了右行的電連接墊1511、中行的電連接墊1512和左行的電連接墊1513，而對應的電極連接區列11的分隔區段的個數也為三，分別是第一區段A、第二區段B和第三區段C，但本發明不以此為限。同一行的電連接墊1511、1512或1513彼此對齊。 FIG. 6 is a schematic plan view showing an external electrical connection area of a conductive plate used in a display device according to an embodiment of the present invention. Please refer to FIGS. 1, 2 and 6. In one embodiment, all the second conductive lines 13 electrically connected to the second electrode contacts 112b, 112c and 112d in each electrode connection area 111 of the same electrode connection area row 11 The other ends are guided to an external electrical connection area 15 corresponding to the same electrode connection area row 11 on the adjacent surface of one side 10a of the electrically insulating substrate 10 and are respectively connected to the corresponding external electrical connection area 15 A plurality of electrical connection pads 151 arranged in a plurality of rows constitute electrical connections. The number of rows of electrical connection pads 151 each of these external electrical connection areas 15 has is equal to the number of separation sections of the corresponding electrode connection area column 11 . As shown in Figure 2 and Figure 6, the number of rows of electrical connection pads 151 is three, including the right row of electrical connection pads 1511, the middle row of electrical connection pads 1512, and the left row of electrical connection pads 1513, and the corresponding electrode connections The number of separated sections in the section row 11 is also three, which are the first section A, the second section B and the third section C respectively, but the invention is not limited thereto. Electrical connection pads 1511, 1512 or 1513 of the same row are aligned with each other.
詳言之，電連接至同一電極連接區列11的第一區段A內的各個電極連接區111中的第二電極接點112b、112c和112d的所有第二導電線路13a的另一端均被導引至和同一電極連接區列11對應的一聯外電連接區15中且分別和聯外電連接區15中的右行對齊的多個電連接墊1511構成電連接，右行的這些電連接墊1511的個數和第二導電線路13a的個數相同；電連接至同一電極連接區列11的第二區段B內的各個電極連接區111中的第二電極接點112b、112c和112d的所有第二導電線路13b的另一端均被導引至和同一電極連接區列11對應的聯外 電連接區15中的中行對齊的多個電連接墊1512構成電連接，中行的這些電連接墊1512的個數和第二導電線路13b的個數相同；電連接至同一電極連接區列11的第三區段C內的各個電極連接區111中的第二電極接點112b、112c和112d的所有第二導電線路13c的另一端均被導引至和同一電極連接區列11對應的聯外電連接區15中的左行對齊的多個電連接墊1513構成電連接，左行的這些電連接墊1513的個數和第二導電線路13c的個數相同。如圖6所示，同一行的電連接墊1511、1512或1513的個數均為九，但不以此為限。 In detail, the other ends of all the second conductive lines 13a that are electrically connected to the second electrode contacts 112b, 112c and 112d in each electrode connection area 111 in the first section A of the same electrode connection area row 11 are A plurality of electrical connection pads 1511 that are guided to an external electrical connection area 15 corresponding to the same electrode connection area column 11 and are respectively aligned with the right row in the external electrical connection area 15 constitute electrical connections. These electrical connection pads in the right row The number of 1511 is the same as the number of second conductive lines 13a; they are electrically connected to the second electrode contacts 112b, 112c and 112d in each electrode connection area 111 in the second section B of the same electrode connection area row 11 The other ends of all the second conductive lines 13b are led to the external connections corresponding to the same electrode connection area row 11. A plurality of aligned electrical connection pads 1512 in the middle row of the electrical connection area 15 constitute an electrical connection. The number of these electrical connection pads 1512 in the middle row is the same as the number of the second conductive lines 13b; electrically connected to the same electrode connection area column 11 The other ends of all the second conductive lines 13c of the second electrode contacts 112b, 112c and 112d in each electrode connection area 111 in the third section C are led to the external circuit corresponding to the same electrode connection area column 11. A plurality of electrical connection pads 1513 aligned in the left row in the connection area 15 form an electrical connection, and the number of these electrical connection pads 1513 in the left row is the same as the number of the second conductive lines 13c. As shown in FIG. 6 , the number of electrical connection pads 1511 , 1512 or 1513 in the same row is nine, but is not limited to this.
請參照圖4及圖6，一實施例中，所述的第一透明電絕緣層141露出電連接墊1511且將第二導電線路13a和第二導電線路13b及電連接墊1512電性隔離，所述的第二透明電絕緣層142露出電連接墊1512且將第二導電線路13b和第三導電線路13c及電連接墊1513電性隔離。此配置方式允許第二導電線路13a、第二導電線路13b和第二導電線路13c的走線區域及位置彼此重疊，且重疊的區域上不會發生電性接觸。因此，提高了顯示裝置用的導電板1的透明度。 Please refer to FIG. 4 and FIG. 6. In one embodiment, the first transparent electrical insulating layer 141 exposes the electrical connection pad 1511 and electrically isolates the second conductive circuit 13a, the second conductive circuit 13b and the electrical connection pad 1512. The second transparent electrical insulating layer 142 exposes the electrical connection pad 1512 and electrically isolates the second conductive circuit 13b, the third conductive circuit 13c and the electrical connection pad 1513. This configuration allows the wiring areas and positions of the second conductive lines 13a, 13b and 13c to overlap with each other, and no electrical contact will occur in the overlapping areas. Therefore, the transparency of the conductive plate 1 for the display device is improved.
依本發明各實施例所提出的顯示裝置用的導電板，相較於傳統的LED顯示裝置用的導電板，其上配置的電極連接區列、第一導電線路及第二導電線路具有高導電性。一方面，同一列的這些電極連接區的這些第一電極接點均與鄰近的第一導電線路電連接，因而簡化了發光源的共電極的導電線路的走線。另一方面，電連接至同一列的這些電極連接區的這些第二電極接點的這些第二導電線路以分區段位於不同層的方式實現了重疊走線，因而解決了大尺寸顯示裝置的發光源的單電極的導電線路增多的情況下所導致的透明度降低問題。總的來說，本申請提出的技術方案降低了所有自電極連接區列的電極接點連接至導電板外圍的導電線路在導電板上所佔據的區域比例，進一步提高了顯 示裝置用的導電板的透明度，且透過圖案化製程簡化了顯示裝置用的導電板的製作複雜度。 Compared with the conductive plate used in traditional LED display devices, the conductive plate for a display device proposed in various embodiments of the present invention has high conductivity on the electrode connection area array, the first conductive line and the second conductive line. sex. On the one hand, the first electrode contacts of the electrode connection areas in the same column are all electrically connected to adjacent first conductive lines, thus simplifying the wiring of the conductive lines of the common electrode of the light source. On the other hand, the second conductive lines electrically connected to the second electrode contacts of the electrode connection areas of the same column are located in different layers in sections to realize overlapping wiring, thus solving the problem of luminescence of large-size display devices. The problem of reduced transparency caused by the increase in the number of conductive lines on a single electrode of the source. In general, the technical solution proposed in this application reduces the proportion of the area occupied by all conductive lines connected from the electrode contacts of the electrode connection area to the periphery of the conductive plate on the conductive plate, further improving the display efficiency. The transparency of the conductive plate for the display device is improved, and the manufacturing complexity of the conductive plate for the display device is simplified through the patterning process.
以上所述僅為本發明的較佳實施例，並非用以限定本發明。所述的電極連接區列、電極連接區、第一導電線路、第二導電線路和電極接點的個數僅為例示，這些元件的實際個數可依顯示裝置用的導電板的尺寸而定，本發明不在此限制。文中所敘及的透明導電圖案層或導電層可以是在一基板上所形成的具有特定導電圖案的層狀結構，形成導電圖案的方式包括但不限於網版印刷、噴印、貼膜、噴塗、濺鍍成膜或蒸鍍成膜後雷射蝕刻。同時，以上的描述對於本發明所屬技術領域中具有通常知識者，應可明瞭而據以實施。只要不脫離本發明的精神和後附申請專利範圍，任何依據上述實施例所作的等效變更與調整，均視為包含於本發明的申請專利範圍中。 The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. The numbers of the electrode connection area rows, electrode connection areas, first conductive lines, second conductive lines and electrode contacts are only examples. The actual number of these elements may depend on the size of the conductive plate used in the display device. , the present invention is not limited thereto. The transparent conductive pattern layer or conductive layer mentioned in this article can be a layered structure with a specific conductive pattern formed on a substrate. The methods of forming the conductive pattern include but are not limited to screen printing, spray printing, film lamination, spray coating, Laser etching after sputtering or evaporation film formation. At the same time, the above description should be understandable to those with ordinary knowledge in the technical field to which the present invention belongs and can be implemented accordingly. As long as they do not deviate from the spirit of the present invention and the appended patent scope, any equivalent changes and adjustments made based on the above embodiments will be deemed to be included in the patent scope of the present invention.
11:電極連接區列 11:Electrode connection area column
111:電極連接區 111:Electrode connection area
112a:電極接點 112a:Electrode contact
112b:電極接點 112b:Electrode contact
112c:電極接點 112c:Electrode contact
112d:電極接點 112d:Electrode contact
12:第一導電線路 12: First conductive line
13a:電連接至第一區段的電極連接區的第二導電線路 13a: Second conductive trace electrically connected to the electrode connection area of the first section
13b:電連接至第二區段的電極連接區的第二導電線路 13b: Second conductive line electrically connected to the electrode connection area of the second section
13c:電連接至第三區段的電極連接區的第二導電線路 13c: Second conductive trace electrically connected to the electrode connection area of the third section
141:第一透明電絕緣層 141: First transparent electrical insulation layer
142:第二透明電絕緣層 142: Second transparent electrical insulation layer
15:聯外電連接區 15: External electrical connection area
A:第一區段 A:First section
B:第二區段 B:Second section
C:第三區段 C: The third section
Claims (10)
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