TW200420963A - Display panel conductive metal wire layout method and device with point discharge function - Google Patents

Display panel conductive metal wire layout method and device with point discharge function Download PDF

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Publication number
TW200420963A
TW200420963A TW92107836A TW92107836A TW200420963A TW 200420963 A TW200420963 A TW 200420963A TW 92107836 A TW92107836 A TW 92107836A TW 92107836 A TW92107836 A TW 92107836A TW 200420963 A TW200420963 A TW 200420963A
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metal wire
discharge
conductive metal
tip
lcd
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TW92107836A
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Chinese (zh)
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TWI309318B (en
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Zhi-Ming Chen
shi-ping Ye
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Wintek Corp
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Abstract

The present invention provides a display panel conductive metal wire layout method and device with point discharge. The present invention continues the ITO layout (an arc shape at transition, and a conductive metal wire frame surrounding the outer periphery of the vertical and horizontal conductive metal wire), without influencing LCD display screen and the resistance of the wire, to add metal pattern of sharp tip angle so as to guide instant high electrostatic discharge (ESD) to the wiring pattern of a dissipation area, thereby achieving the purpose of discharging static electricity, preventing the metal conductive circuit from burning and damage, and preventing the module function from being influenced by static electricity.

Description

200420963 五、發明說明(l) 一" 1— - 【發明所屬之技術領域】 本發明係有關一種具尖端放電之顯示面板傳 佈局方法及裝置,尤指一種能將尖端放電原理,=/ LCD金屬線路(ΙΤ0)佈局上,使LCD模組能在極短時 靜電電荷消散,進而提高抗靜電能力,是極具創I μ 構想。 的5又δ卞 【先前技術】 有鑑於LCD模組當遇到瞬間突波靜電電荷時,易造成 LCD導電金屬線路(ιΤ0)的燒毁,進而影響其模組功能,因 此在整體模組設計上需整合靜電防護裝置,而一般設計需 加入靜電防護電路或元件,造成LCD模組或1C的體穑辦 加,而使成本提高。 曰 例如,美國第 20 020088629A1 號之「Grounding device fora por tab 1 e radio terminal」專利案,主 要是一種結合上、下板可提供接地之裝置,使RF端連結到 主體,而LCD與FPC的結合也連結到RF端,如此可使lcd上 之靜電可經由FPC傳導到主體上,達到靜電電荷消除。 該美國第 200 20 1 0 55 1 2A1 號之「Liquid crystal device driver Circuit for electrostatic discharge protection」專利案,主要是一種具靜電防護之LCD驅動 電路’此電路包含第N個最先輸入的Pad,並分別對應最先 輸入的第N個伏特電壓(N> 1 ),靜電保護裝置個別連結到 Pad上,所有保護裝置可包含薄膜電晶體(Thin gate-oxide transistor) °200420963 V. Description of the invention (l)-"Technical field to which the invention belongs" The present invention relates to a display panel transmission method and device with cutting-edge discharge, especially a principle capable of discharging cutting-edge, = / LCD The layout of the metal circuit (ITO) enables the LCD module to dissipate the electrostatic charge in a very short time, thereby improving the antistatic ability, which is a very innovative I μ concept. 5 and δ 卞 [Previous technology] In view of the fact that when the LCD module encounters transient surge electrostatic charges, it will easily cause the LCD conductive metal circuit (ιΤ0) to burn out, which will affect its module function. Therefore, the overall module design It is necessary to integrate an electrostatic protection device, and the general design needs to add an electrostatic protection circuit or component, which causes the LCD module or the body of the 1C to increase, which increases the cost. For example, the "Grounding device for a por tab 1 e radio terminal" patent of the United States No. 20 020088629A1 is mainly a device that combines the upper and lower plates to provide grounding, so that the RF end is connected to the main body, and the combination of LCD and FPC It is also connected to the RF terminal, so that the static electricity on the LCD can be conducted to the body through the FPC to achieve electrostatic charge elimination. The US Patent No. 200 20 1 0 55 1 2A1 "Liquid crystal device driver Circuit for electrostatic discharge protection" patent case is mainly an LCD drive circuit with electrostatic protection. This circuit contains the Nth first input Pad, and Corresponds to the first Nth volt voltage (N > 1) input first, and the electrostatic protection devices are individually connected to the Pad. All protection devices can include thin gate-oxide transistors. °

第5頁 200420963 五、發明說明(2) 該美國第6337722B1 號之「Liquid crystal display panel having electrostatic discharge prevent ion circuitry」專利案,主要是一種液晶顯示平面,包含有 靜電防護電路,此驅動電路在data線上連結多條的閘線 (g a t e 1 i n e s ),藉由靜電觸動閘線將靜電消散。 該美國第5901022 號之「Charged Device Mode ESD Protection Circuit」專利案,主要是一種元件充電模式 靜電放電模之防護電路。 該美國第 58523 1 5 號之「N-Sided Polygonal Cell Layout for Multiple Cell Transistor」專利案,主要 是一種新型佈局方式來實現互補式金氧半導體積體電路的 電晶體件。 該日本第 08-288404 號之「Latchup - Free Fully -protected CMOS On-Chip ESD Protecttion Circuit」專 利案,主要是一靜電放電防護電路,能提供四種不同的靜 電效電路徑來全方位防護互補式金氧半積體電路的輸入級 〇 口亥日本第〇9-162303 5虎之「ESD Protection Circuit with Gate-Couple SCR Structure」專利案,主要是本發 明之靜電放電防護電路是由閘極耦合PTLSCR與NTLSCR元件 所構成。 该本國專利第334628號之「一種VDD與VSS之靜電放電 防遵電路」專利案,主要是一靜電放電防護電路,連接於 積體電路之VDD與VSS電源線間,當靜電放電發生時,該防Page 5 200420963 V. Description of the invention (2) The US Patent No. 6377922B1 "Liquid crystal display panel having electrostatic discharge prevent ion circuitry" patent case is mainly a liquid crystal display plane, which includes an electrostatic protection circuit. A plurality of gate wires (gate 1 ines) are connected to the wire, and the static electricity is dissipated by electrostatically triggering the gate wires. The US Patent No. 5901022 "Charged Device Mode ESD Protection Circuit" patent case is mainly a protection circuit for a component charging mode and an electrostatic discharge mode. The U.S. Patent No. 58523 15 "N-Sided Polygonal Cell Layout for Multiple Cell Transistor" patent is mainly a new layout method to realize the transistor components of complementary metal-oxide-semiconductor integrated circuits. The Japanese Patent No. 08-288404 "Latchup-Free Fully -protected CMOS On-Chip ESD Protecttion Circuit" patent case is mainly an electrostatic discharge protection circuit, which can provide four different electrostatic effect electric paths to fully protect the complementary type The input stage of the metal-oxygen semi-integral circuit. Japanese patent No. 09-162303 5 "ESD Protection Circuit with Gate-Couple SCR Structure" patent case, mainly because the electrostatic discharge protection circuit of the present invention is coupled by a gate electrode PTLSCR And NTLSCR elements. The national patent No. 334628 "A kind of VDD and VSS electrostatic discharge prevention circuit" patent case is mainly an electrostatic discharge protection circuit connected between the VDD and VSS power lines of the integrated circuit. When an electrostatic discharge occurs, the Prevent

第6頁 200420963 五、發明說明(3) 護電路能提供一個短路通道來旁通靜電放電之電流。 又,該本國專利公告第343386號之「元件充電模式靜 電放電防護電路」專利案,主要是提出一種元件充電模式 靜電放電模之防護電路。就前述之各專利案所具有之缺失 如下: 1、 在玻璃上加電容或抗靜電元件:缺點是製程上不 易達成,因在機台上Bonding元件時易造成玻璃脆裂,且 走線空間變小,設計空間相對變小。Page 6 200420963 V. Description of the invention (3) The protection circuit can provide a short-circuit channel to bypass the electrostatic discharge current. In addition, the patent case "Electrostatic Discharge Protection Circuit for Component Charging Mode" of this National Patent Publication No. 343386 mainly proposes a protection circuit for electrostatic discharge mode of component charging mode. The shortcomings of the aforementioned patent cases are as follows: 1. Adding capacitors or antistatic components to the glass: the disadvantage is that it is not easy to achieve in the process, because the glass is brittle when the bonding component is on the machine, and the wiring space is changed. Small design space is relatively small.

2、 在FPC上設計ESD防護裝置:缺點是不能完全防制 靜電的危害,因為靜電並非完全由FPC進入,也有可能從 玻璃上的ΙΤ0進入。 3、 單純提高走線阻抗值:缺點是使功率轉換成熱能 時’易因走線粗細的改變,產生熱量集中不易散熱而燒毀 短路。 4、 阻抗值過低:無法達到靜電防護功能。 5、 阻抗值過高:會因阻抗過高造成數位、類比訊號 衰減,影響IC工作效能。 【發明内容】2. Design the ESD protection device on the FPC: the disadvantage is that it cannot completely prevent the harm of static electricity, because static electricity is not completely entered by the FPC, and it may also enter from the ITO on the glass. 3. Simply increase the impedance of the trace: the disadvantage is that when the power is converted into thermal energy, it ’s easy to change the thickness of the trace, which causes heat concentration and is not easy to dissipate heat and burn out the short circuit. 4. The impedance value is too low: the electrostatic protection function cannot be achieved. 5. The impedance value is too high: Digital and analog signals will be attenuated due to the high impedance, which will affect the IC's working efficiency. [Summary of the Invention]

本發明之主要目的,在於解決上述傳統之缺失,避免 缺失存在,本發明採疏導方式,將靜電電荷疏導到可消散 地區,避免瞬間高能量的靜電電荷,將導電線路(I T 〇)燒 毀’而達到靜電防制功效,同時此項發明除了簡化模組設 計(不需增加靜電防護元件)、簡化製程(避免增加製程 程序),並同時能提升LCD模組抗靜電危害能力,對此技術The main purpose of the present invention is to solve the above-mentioned traditional defects and avoid the existence of the defects. The present invention adopts a grooming method to conduct electrostatic charges to a dissipable area, avoids instantaneous high-energy electrostatic charges, and burns out conductive lines (IT). It achieves the effect of static electricity prevention. At the same time, in addition to simplifying the module design (no need to add electrostatic protection components), simplifying the process (avoiding additional process procedures), and simultaneously improving the ability of the LCD module to resist static electricity, this technology

第7頁 200420963 —_—·.— 五、發明說明(4) 在模組產業利用價值上有很大的助益。 士為達上述之目的,本發明採用新的ΙΤ〇 延績ΙΤ0走線方式(轉折處圓弧形、直橫導。’以 有導電金屬線框),在不影響LCD顯示晝面下及圍 谋加上具尖角的金屬圖案,以引導靜電電 、 下 釋放電荷,在LCD模組承受靜電電荷時,能迅H集而 此尖端處疏導,避免模組功能受到靜電影響。、* 土由 【實施方式】 ’曰 明如^有關本發w内容及技術說明,現配合圖式說 請參閱「第1 A圖所示」,係本發明之L 示意圖。如圖所示:本發明之具尖端放電之咖^ =, 之傳導金屬線佈局方法,採用新的IT()佈局形γ板 組在靜電所產生之電荷突波,利用尖端放電广能 散’以避免影響模組功能’進而達到靜電防護功=速消 上述所提之尖端放電是在當金屬表面積縮小 徑縮小時’易聚集電離子’冑其成為高電荷,+ -旦鄰近金屬或電離子靠近時,Μ易與能量高的電= 生電位盖而釋放電離子(即所謂放電),而 ^ 產 將此原理運用在LCD之金屬(ΙΤ〇)走線佈 衡, 散LCD上之靜電⑽m突波電荷所帶來的金屬(lTm消 毁,進而強化LCD模組抗靜電破壞能力。 、、乂 為上述之目的’本發明所採之裝置是於LCD顯示面把 i上增加尖端ΙΤ0佈局方式以加強疏導消散靜電,該咖顯 200420963 五、發明說明(5) 示面板1上至少包括有〔一連接端2 ,— 連接之晶片(IC)連接區3 ,一與前述晶% ^ ^、妾端2 接之顯示器4,以及一環設於前述連接广)連接區3連 接區3及顯示器4外圍之放電結構5所‘成:^二(,丨㈠連 上述之連接端2,係由複數接腳2 ·|所^ 、 示)連接後’可將外部控制信號輸=薄 驅動單元(圖中未示); )連接£3所安裝之 該晶片(IC)連接區3 ,此區可安梦一 驅動單元(圖中未示),此晶片(IC): 透::二: 線6與顯示區2連接,以輸出-驅動信走 該顯不器4,透過行列走線6與前述之晶片(κ接^ ^後’iUUMKO連接區3上所安裝之驅動單元= 出之驅動h號驅動後,可於顯示器輸 影像畫面; 4之顯不幕4 1上顯示 該放電結構5,係在行 7圍上一圈,並與連接端2 金屬線7在不影響其IC訊號 尖端區塊的放電金屬圖案5 放電的凸點區塊。 請同時參閱「第1 B、 左右兩邊之局部放大示意圖 荷時,該金屬圖案5 1 ,能 避免模組功能受到靜電影響 列走線6外圍以金屬線(IT〇) 之接地端2 1 1連接,此外圍 走線下,增加具有直角方塊或 1 ’或者在周圍線路上,增加 1 C圖所示」,係為第丄Α圖 。如此當LCD模組承受靜電電 迅速有效地由此尖端處疏導, 。也就是說利用金屬圖案5 1Page 7 200420963 —_— · .— V. Description of the invention (4) It is of great help in the utilization value of the module industry. In order to achieve the above-mentioned purpose, the present invention adopts a new ITO extended ITO 0 routing method (circular arc-shaped, straight and horizontal guide at the turning point. With conductive metal wire frame), without affecting the LCD display under the day and the surrounding area. A metal pattern with sharp corners is used to guide the electrostatic charge and release the charge. When the LCD module is subjected to the electrostatic charge, it can quickly gather and clear the tip to prevent the module function from being affected by static electricity. [Embodiment] [Embodiment] ‘Yue Mingru ^ For the content and technical description of the present document, please refer to the figure to refer to“ shown in Figure 1A ”, which is a schematic diagram of L of the present invention. As shown in the figure: the conductive metal wire layout method of the present invention with a tip discharge ^ =, adopts a new IT () layout-shaped γ plate group to generate a charge surge generated by static electricity, and uses the tip discharge to widely disperse the charge ' To avoid affecting the module's function, and then to achieve the electrostatic protection function = quick elimination of the tip discharge mentioned above is when the surface area of the metal is reduced, the diameter is 'easy to accumulate electric ions', which becomes a high charge, +-once adjacent metals or electric ions When approaching, M is easy to release electric ions (electric discharge) with high-energy electricity = potential generating cover, and this principle is applied to the LCD metal (ITO) wiring balance to dissipate static electricity on the LCD ⑽m The metal (lTm) caused by the surge charge is destroyed, thereby strengthening the antistatic destruction ability of the LCD module. For the above purpose, the device adopted in the present invention is to add a tip ITO to the LCD display surface. In order to strengthen the dissipating and dissipating static electricity, the coffee display 200420963 V. Description of the invention (5) The display panel 1 at least includes [a connection terminal 2—- a connected chip (IC) connection area 3, and one with the aforementioned crystal% ^ ^, 妾End 2 is connected to display 4, And a ring is provided in the connection area 3, the connection area 3, and the discharge structure 5 on the periphery of the display 4: ^ 2 (, 丨 connected to the above-mentioned connection terminal 2, is composed of a plurality of pins 2 · | ^, (Shown) after connection, 'external control signal can be input = thin drive unit (not shown in the figure);) Connect the chip (IC) connection area 3 installed in £ 3, this area can be a dream drive unit (not shown in the figure) (IC): This chip (IC): Transparent :: 2: Line 6 is connected to the display area 2 to output-drive the signal to go through the display 4 and to the aforementioned chip (κκ ^^^ ' The drive unit installed on the iUUMKO connection area 3 = the output driver h can drive the image on the monitor; the display of 4 is not displayed 4 1 The discharge structure 5 is displayed on the line 7, and it is circled around line 7, and The metal wire 7 connected to the terminal 2 does not affect the discharge metal pattern 5 of the tip block of the IC signal. The convex bump block of the discharge. Please also refer to "Part 1 B, the enlarged schematic diagram of the left and right sides of the metal pattern 5 1 , Can prevent the module function from being affected by static electricity. The outer end of line 6 is connected to the ground terminal 2 1 1 of the metal wire (IT〇). Then, under this peripheral wiring, add a square block with a right angle or 1 ′ or add 1 C on the surrounding lines, as shown in Figure 丄 A. This is the point when the LCD module withstands static electricity quickly and effectively. Channeling, that is, using metal patterns 5 1

200420963 五、發明說明(6) )能λ集電荷而釋放原s,、能有效引導瞬間高電 避;金屬導雷♦釋放區之走線圖形’ $而達到靜電消散, 避免金屬導電線路燒毀破壞及模組功能受到靜電影響。 再由上述可知,本發明在改進行傕 p 1 ^ 優點如下: 不知#㊉仃傳缺失後,所增進之 1 、需外加元件,減少增加元件造成的其他效應。 2、簡化製作流程及複雜性。 心 古Γ疏導消散靜電電荷方式’達到靜電防護功效, 有別於一般阻隔方式。 4八而藉由IT〇在LCD的走線方式來增加靜電防護能 力,比一般靜電防護裝置’減少設計及製作成本。 4進一步,在於增加尖端IT0佈局方式以加強疏導消散 f電’除了運用上述之方法外,還可在LCD上片玻璃之ΙΤ0 ^線中,將ΙΤ0線路區隔成空乏ΙΤ0線路與導電ιτ〇線路, f間有間隔(space),相對之端點具錐形狀以 荷聚集 放電。 上述僅為本發明之較佳實施例而已,並非用來限定本 發明實施之範圍。#凡依本發明申專利範圍戶斤做的均等 變化與修飾,皆為本發明專利範圍所涵蓋。200420963 V. Description of the invention (6)) Can collect the lambda to release the original s, which can effectively guide the instantaneous high-voltage avoidance; metal lightning guide ♦ The trace pattern in the release area to achieve static electricity dissipation, to avoid the destruction of metal conductive lines And the module function is affected by static electricity. From the above, it can be known that the advantages of the present invention when it is changed to 1 p 1 ^ are as follows: I do not know that # ㊉ 仃 传 is missing, which is improved 1, additional components are required, and other effects caused by adding components are reduced. 2. Simplify the production process and complexity. Xingu Γ can dissipate and dissipate electrostatic charges ’to achieve electrostatic protection, which is different from ordinary barrier methods. 48. It is possible to increase the ESD protection capability by using IT ’s wiring on the LCD, which reduces the design and production costs compared to ordinary ESD protection devices. 4 Further, it is to add a cutting-edge IT0 layout method to strengthen the dissipating and dissipating the electricity. In addition to using the above method, the ITO line can be separated into empty ITO lines and conductive lines in the ITO lines of the LCD glass. , There is a space between f, and the opposite ends have a cone shape to charge and discharge. The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. #Every change and modification made by the household according to the scope of the patent application for the present invention is covered by the scope of the invention patent.

第10頁 200420963 圖式簡單說明 第1 A圖,係本發明之LCD顯示面板示意圖。 第1 B圖,係為第1A圖右邊之局部放大示意圖。 第1 C圖’係為第1 A圖左邊之局部放大示意圖。 【圖號說明】 LCD顯示面板................1 連接端...................2 接腳...................2 1 接地端.................211 晶片(IC)連接區...............3 顯示器...................4 放電結構..................5 金屬圖案.................51 行列走線..................6 金屬線...................7Page 10 200420963 Brief Description of Drawings Figure 1A is a schematic diagram of an LCD display panel of the present invention. Figure 1B is a partially enlarged schematic diagram on the right side of Figure 1A. Figure 1C 'is a partially enlarged schematic diagram on the left of Figure 1A. [Illustration of figure number] LCD display panel ... 1 connection terminal ... 2 pin. ........ 2 1 Ground terminal ....... 211 IC (IC) connection area .... ..... 3 Display ......... 4 Discharge Structure ............... ... 5 Metal Patterns ... 51 Lines and Columns ... 6 Metal Lines ... ....... 7

Claims (1)

200420963 六、申請專利範圍 1、一種具尖端敌 置,此LCD顯示面板至,丨/、之顯示面板傳導金屬線佈局裝 連接區、一顯示區所羞"匕括有:一連接端、一晶片(1C) 晶片(1C)連接區上所 ,在外部控制信號輸入後驅動一 行列=驅=示器顯心動=徵驅動單元透過 連接端;::=;外=屬;(广圍上-圈,並與 靜電所產生之雷益*祕 成一放電結構,使LCD模組在 避免影響模組功能T進而::放電,能迅速消散’以 運而達到靜電防護功效。 9 面板僂壤i:ί利範圍第1項所述之具尖端放電之顯示 a m * /線佈局裝置中,該外圍金屬線在不影響 八s孔唬走線下,增加具有直角方塊的放電金屬圖案。 面柘捕憎:申°月專利^圍第1項所述之具尖端放電之顯示 1 τ r ▲ f金屬線佈局裝置,其中,該外圍金屬線在不影響 八成號走線下’增加具有尖端區塊的放電金屬圖案。 4、 如申請專利範圍第1項所述之具尖端放電之顯示 =板傳導金屬線佈局裴置,其中,該外圍金屬線在不影響 其1 C訊號走線下,可在周圍線路上,增加放電的凸點區 塊。 5、 如申請專利範圍第1項所述之具尖端放電之顯示 面板傳導金屬線佈局裝置,其中,該增加尖端〗τ〇佈局方 式以加強疏導消散靜電,還可以在LCD上片玻璃之ΙΤ0走線 中’將ΙΤ0線路區隔成空乏ιΤ〇線路與導電ΙΤ0線路,其間 有間隔(space),相對之端點具錐形狀以利電荷聚集放電200420963 VI. Scope of patent application 1. A kind of cutting-edge hostile, this LCD display panel to, / /, the display panel conductive metal wire layout to install the connection area, a display area shame " Dagger includes: a connection end, a Chip (1C) On the chip (1C) connection area, drive a row after the external control signal is input = drive = indicator to show the heart motion = sign drive unit through the connection terminal; :: =; 外 = 属; (广 上 上- Circle, and form a discharge structure with the static electricity generated by Lei Yi *, so that the LCD module avoids affecting the module function T and then :: discharge, can quickly dissipate to achieve the effect of electrostatic protection. 9 Panel soil i: In the am * / line layout device with tip discharge as described in item 1 of the Scope, the peripheral metal wire can increase the discharge metal pattern with a right-angled square without affecting the eight-s-hole routing. : Application for the display of tip discharge 1 τ r ▲ f metal wire layout device described in the first month of the patent ^ Circumference, wherein the peripheral metal wire does not affect the 80% routing, and increases the discharge with the tip block Metal pattern 4. Such as patent application The display with tip discharge described in item 1 is the layout of the plate conductive metal wire. The peripheral metal wire can increase the discharge bump area on the surrounding circuit without affecting the 1 C signal routing. 5. The conductive metal wire layout device for a display panel with a tip discharge as described in item 1 of the scope of the patent application, wherein the increased tip mode is used to strengthen the dissipation of static electricity, and it can also be placed on the LCD glass. In the trace, the ITO line is separated into an empty ITO line and a conductive ITO line, with a space in between, and the opposite ends have a cone shape to facilitate charge accumulation and discharge. 第12頁 200420963 六、申請專利範圍 〇 6、一種具尖端放電之顯示面板傳導金屬線佈局方 法,係採用新的I T0佈局形式,以延續I T0走線方式(轉折 處圓弧形、直橫導電金屬線外圍圍有導電金屬線框),在 不影響LCD顯示晝面下及走線阻值下,加上具尖角的金屬 圖案,以引導靜電電荷至該區聚集而釋放電荷,在LCD模 組承受靜電電荷時,能迅速有效地由此尖端處疏導,避免 模組功能受到靜電影響。Page 12 200420963 VI. Scope of patent application 06. A method of conducting metal wire layout for display panels with cutting-edge discharge, adopting the new I T0 layout form to continue the I T0 routing method (the arc at the turning point, straight and horizontal) The conductive metal wire is surrounded by a conductive metal wire frame), without affecting the LCD display under the day and the wiring resistance value, plus a metal pattern with a sharp corner to guide the electrostatic charge to the area to gather and release the charge, in the LCD When the module is subjected to electrostatic charges, it can quickly and effectively unblock from the tip to prevent the module function from being affected by static electricity. 第13頁Page 13
TW92107836A 2003-04-07 2003-04-07 Display panel conductive metal wire layout method and device with point discharge function TW200420963A (en)

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