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TW202001519A - Touch panel - Google Patents

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Publication number
TW202001519A
TW202001519A TW107122404A TW107122404A TW202001519A TW 202001519 A TW202001519 A TW 202001519A TW 107122404 A TW107122404 A TW 107122404A TW 107122404 A TW107122404 A TW 107122404A TW 202001519 A TW202001519 A TW 202001519A
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TW
Taiwan
Prior art keywords
fitting slot
circuit board
flexible circuit
detection substrate
touch detection
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Application number
TW107122404A
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Chinese (zh)
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TWI665591B (en
Inventor
葉佳錡
彭育傑
陳柏林
黃彥衡
Original Assignee
大陸商業成科技（成都）有限公司
大陸商業成光電（深圳）有限公司
英特盛科技股份有限公司
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Publication of TWI665591B publication Critical patent/TWI665591B/en
Publication of TW202001519A publication Critical patent/TW202001519A/en

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

A touch panel includes: a touch detection substrate having a first mounting edge, wherein at least one first peripheral region adjacent to the first mounting edge is disposed on the touch detection substrate, and at least one first embedding slot is formed on the first mounting edge; and a flexible circuit board disposed on the touch detection substrate and having a second mounting edge, wherein at least one second peripheral region adjacent to the second mounting edge is disposed on the flexible circuit board, and the second mounting edge of the flexible circuit board is embedded in the first embedding slot of the touch detection substrate. The touch detection substrate can obtain a better configuration of the second peripheral region by omitting the embedding slot.

Description

觸控面板Touch panel

本發明關於一種觸控面板。The invention relates to a touch panel.

觸控面板爲目前智慧手機或平板電腦等行動裝置上不可或缺的基本組件，供使用者進行單點或多點觸控。觸控偵測基板及軟性電路板(Flexible Printed Circuit)則爲觸控面板上的常見零組件，觸控偵測基板嵌設于觸控螢幕面板上，供使用者以進行單點或多點的觸控操作，軟性電路板則可連接到外部的電路板上。The touch panel is an indispensable basic component on a mobile device such as a smart phone or tablet computer at present, and is used for a user to perform single or multi-point touch. The touch detection substrate and the flexible printed circuit (Flexible Printed Circuit) are common components on the touch panel. The touch detection substrate is embedded on the touch screen panel for users to perform single-point or multi-point For touch operation, the flexible circuit board can be connected to an external circuit board.

但現有觸控面板上的觸控偵測基板以及軟性電路板的組裝結構存在有因為軟性電路板上的開槽而使其上的綫路布局需遷就開槽而繞過開槽、或是斷成多段、或是增大軟性電路板尺寸的問題。However, the assembly structure of the touch detection substrate and the flexible circuit board on the existing touch panel exists because of the slot on the flexible circuit board, the circuit layout on it needs to be accommodated to slot to bypass the slot, or break into Multi-stage, or increase the size of the flexible circuit board.

本發明主要目的在於提供一種觸控面板，其改善軟性電路板上的線路走線(Wire Bonding)的布局，避免爲了遷就軟性電路板上的開槽而必須使走綫斷開或是截短而造成走綫布局的靈活度下降。The main object of the present invention is to provide a touch panel that improves the layout of wire bonding on a flexible circuit board and avoids the need to disconnect or shorten the wiring in order to accommodate the slot on the flexible circuit board. As a result, the flexibility of the wiring layout is reduced.

為達上述目的，觸控面板包括：To achieve the above purpose, the touch panel includes:

一觸控偵測基板，具有一第一固定邊緣，在該觸控偵測基板上設置有至少一鄰近該第一固定邊緣的第一周邊區，在該第一固定邊緣上形成有至少一第一嵌合開槽；以及一軟性電路板，與該觸控偵測基板相互固定，且具有一第二固定邊緣，在該軟性電路板上設置有至少一鄰近該第二固定邊緣的第二周邊區，其中，該軟性電路板的第二固定邊緣嵌入於該觸控偵測基板的該第一嵌合開槽中。A touch detection substrate has a first fixed edge, at least one first peripheral area adjacent to the first fixed edge is provided on the touch detection substrate, and at least a first edge is formed on the first fixed edge A fitting slot; and a flexible circuit board, fixed to the touch detection substrate, and having a second fixing edge, at least a second periphery adjacent to the second fixing edge is provided on the flexible circuit board Area, wherein the second fixed edge of the flexible circuit board is embedded in the first fitting slot of the touch detection substrate.

於一實施例中，觸控偵測基板為軟性，且該觸控偵測基板彎曲而使其上的該第一嵌合開槽扭曲爲立體狀，以供軟性電路板嵌入該第一嵌合開槽。In an embodiment, the touch detection substrate is flexible, and the touch detection substrate is bent so that the first fitting slot on it is twisted into a three-dimensional shape for the flexible circuit board to embed in the first fitting Slotted.

於一實施例中，該軟性電路板彎曲成立體狀以嵌入該觸控偵測基板的呈平面狀的第一嵌合開槽。In an embodiment, the flexible circuit board is bent into a body shape to be embedded in the planar first fitting slot of the touch detection substrate.

於一實施例中，軟性電路板的第二固定邊緣上形成有至少一第二嵌合開槽，該第二嵌合開槽與該第一嵌合開槽相互對應嵌合。In an embodiment, at least one second fitting slot is formed on the second fixing edge of the flexible circuit board, and the second fitting slot and the first fitting slot are correspondingly fitted to each other.

於一實施例中，第一嵌合開槽為U形。In one embodiment, the first fitting slot is U-shaped.

於一實施例中，第二嵌合開槽為U形。In an embodiment, the second fitting slot is U-shaped.

於一實施例中，第一嵌合開槽的寬度在0.8mm以上。In an embodiment, the width of the first fitting slot is 0.8 mm or more.

於一實施例中，第一嵌合開槽的縱深度在1.0mm以上。In one embodiment, the longitudinal depth of the first fitting slot is 1.0 mm or more.

於一實施例中，第二嵌合開槽的寬度在0.8mm以上。In an embodiment, the width of the second fitting slot is above 0.8 mm.

於一實施例中，第二嵌合開槽的縱深度在1.0mm以上。In one embodiment, the longitudinal depth of the second fitting slot is 1.0 mm or more.

於一實施例中，第一嵌合開槽與對應的第二嵌合開槽相互嵌合後的總縱深度在2mm以上。In an embodiment, the total longitudinal depth after the first fitting slot and the corresponding second fitting slot are fitted with each other is more than 2 mm.

請參照圖1至3a，本發明的觸控面板的第1實施例包括：一觸控偵測基板10以及一軟性電路板20。1 to 3a, the first embodiment of the touch panel of the present invention includes: a touch detection substrate 10 and a flexible circuit board 20.

該觸控偵測基板10可為軟性，且具有一第一固定邊緣11。在該第一固定邊緣11上形成有至少一第一嵌合開槽100。在該觸控偵測基板10上設置有至少一鄰近該第一固定邊緣11的第一周邊區（或稱走線區）13。此外，該第一嵌合開槽100的寬度W在0.8mm以上，且該第一嵌合開槽100的縱深度L1在1.0mm以上。再者，該第一嵌合開槽100為U形。此外，該觸控偵測基板10的一面上分別設置有位于第一嵌合開槽100右側的第一周邊區13內的複數第一接收金屬墊(Receiver Pad, Rx Pad)以及位于第一嵌合開槽100左側的第一周邊區13內的複數第一發射金屬墊(Transmitter Pad, Tx Pad)。其中，在相鄰的複數第一接收金屬墊以及第一發射金屬墊之間的中點上取一中心線C，該第一嵌合開槽100的中心線位於該中心線C上。The touch detection substrate 10 may be flexible and have a first fixed edge 11. At least one first fitting slot 100 is formed on the first fixing edge 11. At least one first peripheral area (or wiring area) 13 adjacent to the first fixed edge 11 is disposed on the touch detection substrate 10. In addition, the width W of the first fitting groove 100 is 0.8 mm or more, and the longitudinal depth L1 of the first fitting groove 100 is 1.0 mm or more. Furthermore, the first fitting slot 100 is U-shaped. In addition, a plurality of first receiver metal pads (Receiver Pad, Rx Pad) located in the first peripheral area 13 on the right side of the first fitting slot 100 and a first embedded A plurality of first transmitting metal pads (Transmitter Pad, Tx Pad) in the first peripheral area 13 on the left side of the slot 100 are closed. Wherein, a center line C is taken at the midpoint between the adjacent plural first receiving metal pads and the first transmitting metal pad, and the center line of the first fitting slot 100 is located on the center line C.

該軟性電路板20可為軟性，與該觸控偵測基板10相互固定，且具有一第二固定邊緣21，在該軟性電路板20上設置有至少一鄰近該第二固定邊緣21的第二周邊區（或稱走線區）23，其中，該軟性電路板20的第二固定邊緣21嵌入於該觸控偵測基板10的該第一嵌合開槽100中。該軟性電路板20上分別有複數第二接收金屬墊(Receiver Pad, Rx Pad)以及複數第二發射金屬墊(Transmitter Pad, Tx Pad)。The flexible circuit board 20 may be flexible, fixed to the touch detection substrate 10, and has a second fixed edge 21, and at least one second adjacent to the second fixed edge 21 is provided on the flexible circuit board 20 A peripheral area (or wiring area) 23 in which the second fixed edge 21 of the flexible circuit board 20 is embedded in the first fitting slot 100 of the touch detection substrate 10. The flexible circuit board 20 has a plurality of second receiving metal pads (Receiver Pad, Rx Pad) and a plurality of second transmitting metal pads (Transmitter Pad, Tx Pad), respectively.

其中，該觸控偵測基板10彎曲而使其上的該第一嵌合開槽100扭曲爲立體狀，以供軟性電路板20嵌入該第一嵌合開槽100。當該軟性電路板20嵌入該第一嵌合開槽100時，透過將該觸控偵測基板10在該第一嵌合開槽100處進行彎曲（沿著圖3的Z軸方向（深度方向）），使得該軟性電路板20的第二接收金屬墊面貼合觸控偵測基板10的第一接收金屬墊面，且軟性電路板20的第二發射金屬墊面貼合觸控偵測基板10的第一發射金屬墊面。其中，該觸控偵測基板10的彎折處相較第一固定邊緣11的距離為2mm以上。Wherein, the touch detection substrate 10 is bent so that the first fitting slot 100 thereon is twisted into a three-dimensional shape for the flexible circuit board 20 to be embedded in the first fitting slot 100. When the flexible circuit board 20 is embedded in the first fitting slot 100, the touch detection substrate 10 is bent at the first fitting slot 100 (along the Z-axis direction (depth direction in FIG. 3 )), so that the second receiving metal pad surface of the flexible circuit board 20 fits the first receiving metal pad surface of the touch detection substrate 10, and the second emitting metal pad surface of the flexible circuit board 20 fits the touch detection The first emitting metal pad surface of the substrate 10. Wherein, the distance between the bending position of the touch detection substrate 10 and the first fixed edge 11 is more than 2 mm.

請參照圖4至圖5a，本發明的觸控面板的第2實施例同樣包括一觸控偵測基板10以及一軟性電路板20，與第1實施例不同處，在於該軟性電路板20的第二固定邊緣21上形成有至少一第二嵌合開槽200，該第二嵌合開槽200與該第一嵌合開槽100相互對應嵌合。其中，該軟性電路板20彎曲成立體狀以嵌入該觸控偵測基板10的呈平面狀的第一嵌合開槽100。4 to 5a, the second embodiment of the touch panel of the present invention also includes a touch detection substrate 10 and a flexible circuit board 20. The difference from the first embodiment is that the flexible circuit board 20 At least one second fitting slot 200 is formed on the second fixing edge 21. The second fitting slot 200 and the first fitting slot 100 are correspondingly fitted to each other. Wherein, the flexible circuit board 20 is bent into a body shape to be embedded into the planar first fitting slot 100 of the touch detection substrate 10.

此外，該第二嵌合開槽200的寬度W在0.8mm以上，且該第二嵌合開槽200的縱深度L1在1.0mm以上。此外，該第二嵌合開槽200為U形。In addition, the width W of the second fitting groove 200 is 0.8 mm or more, and the longitudinal depth L1 of the second fitting groove 200 is 1.0 mm or more. In addition, the second fitting slot 200 is U-shaped.

再者，第一嵌合開槽100與對應的第二嵌合開槽200相互嵌合後的總縱深度L2在2mm以上。Furthermore, the total longitudinal depth L2 after the first fitting slot 100 and the corresponding second fitting slot 200 are fitted to each other is 2 mm or more.

藉由上述技術手段可使軟性電路板20上的第二周邊區23的配置不受到第一嵌合開槽100的干擾，無須爲了繞過第一嵌合開槽100而進行繞道，亦無須配合第一嵌合開槽100而斷為數段，藉此，可使得第二周邊區23的配置自由度提升，並且能够避免軟性電路板爲了同時兼顧第一嵌合開槽100和第二周邊區23的配置而加大尺寸的問題。此外，即便本發明已於該觸控偵測基板10上設置第一嵌合開槽100，亦可選擇性地在對應的軟性電路板20上設置第二嵌合開槽200，藉此增進觸控偵測基板10與軟性電路板20的組裝強度。By the above technical means, the arrangement of the second peripheral area 23 on the flexible circuit board 20 is not disturbed by the first fitting slot 100, and there is no need to bypass to bypass the first fitting slot 100, and there is no need to cooperate The first fitting slot 100 is broken into several segments, by which the degree of freedom of the arrangement of the second peripheral area 23 can be improved, and the flexible circuit board can be avoided in order to simultaneously consider the first fitting slot 100 and the second peripheral area 23 The problem of increasing the size of the configuration. In addition, even if the present invention has provided the first fitting slot 100 on the touch detection substrate 10, the second fitting slot 200 can be selectively provided on the corresponding flexible circuit board 20, thereby improving touch The assembly strength of the substrate 10 and the flexible circuit board 20 is controlled and detected.

10‧‧‧觸控偵測基板 100‧‧‧第一嵌合開槽 11‧‧‧第一固定邊緣 13‧‧‧第一周邊區 20‧‧‧軟性電路板 200‧‧‧第二嵌合開槽 21‧‧‧第二固定邊緣 23‧‧‧第二周邊區 W‧‧‧寬度 L1‧‧‧縱深度 L2‧‧‧總縱深度 80‧‧‧觸控偵測基板 83‧‧‧第一周邊區 90‧‧‧軟性電路板 900‧‧‧開槽 93‧‧‧第二周邊區 10‧‧‧Touch detection substrate 100‧‧‧The first fitting slot 11‧‧‧First fixed edge 13‧‧‧ First surrounding area 20‧‧‧flexible circuit board 200‧‧‧Second fitting slot 21‧‧‧Second fixed edge 23‧‧‧Second peripheral area W‧‧‧Width L1‧‧‧Vertical depth L2‧‧‧Total depth 80‧‧‧Touch detection substrate 83‧‧‧The first surrounding area 90‧‧‧flexible circuit board 900‧‧‧Slotted 93‧‧‧Second peripheral area

圖1為第1實施例的本發明分解示意圖。FIG. 1 is an exploded schematic view of the first embodiment of the present invention.

圖2為根據圖1的局部放大示意圖。FIG. 2 is a partially enlarged schematic diagram according to FIG. 1.

圖3為第1實施例的結合示意圖。FIG. 3 is a combined schematic diagram of the first embodiment.

圖3a為對應圖3的側面視圖。Fig. 3a is a side view corresponding to Fig. 3.

圖4為第2實施例的局部放大示意圖。4 is a partially enlarged schematic view of the second embodiment.

圖5為第2實施例的結合示意圖。FIG. 5 is a combined schematic diagram of the second embodiment.

圖5a為對應圖5的側面視圖。FIG. 5a is a side view corresponding to FIG. 5. FIG.

10‧‧‧觸控偵測基板 10‧‧‧Touch detection substrate

100‧‧‧第一嵌合開槽 100‧‧‧The first fitting slot

11‧‧‧第一固定邊緣 11‧‧‧First fixed edge

13‧‧‧第一周邊區 13‧‧‧ First surrounding area

20‧‧‧軟性電路板 20‧‧‧flexible circuit board

23‧‧‧第二周邊區 23‧‧‧Second peripheral area

21‧‧‧第二固定邊緣 21‧‧‧Second fixed edge

Claims (10)

一種觸控面板，包括： 一觸控偵測基板，具有一第一固定邊緣，在該觸控偵測基板上設置有至少一鄰近該第一固定邊緣的第一周邊區，在該第一固定邊緣上形成有至少一第一嵌合開槽；以及 一軟性電路板，與該觸控偵測基板相互固定，且具有一第二固定邊緣，在該軟性電路板上設置有至少一鄰近該第二固定邊緣的第二周邊區，其中，該軟性電路板的第二固定邊緣嵌入於該觸控偵測基板的該第一嵌合開槽中。A touch panel includes: a touch detection substrate with a first fixed edge, at least a first peripheral area adjacent to the first fixed edge is provided on the touch detection substrate, and the first fixed area At least one first fitting slot is formed on the edge; and a flexible circuit board, which is fixed to the touch detection substrate, and has a second fixed edge, at least one adjacent to the first is provided on the flexible circuit board The second peripheral area of the two fixed edges, wherein the second fixed edge of the flexible circuit board is embedded in the first fitting slot of the touch detection substrate. 如請求項1所述的觸控面板，其中該軟性電路板可彎曲成立體狀，嵌入該觸控偵測基板的呈平面狀的第一嵌合開槽。The touch panel according to claim 1, wherein the flexible circuit board can be bent into a body shape, and a first fitting slot in a planar shape embedded in the touch detection substrate is embedded. 如請求項2所述的觸控面板，其中該軟性電路板的該第二固定邊緣上形成有至少一第二嵌合開槽，該第二嵌合開槽與該第一嵌合開槽相互對應嵌合。The touch panel according to claim 2, wherein at least one second fitting slot is formed on the second fixing edge of the flexible circuit board, the second fitting slot and the first fitting slot are mutually Corresponding to fitting. 如請求項3所述的觸控面板，其中該第一嵌合開槽為U形。The touch panel according to claim 3, wherein the first fitting slot is U-shaped. 如請求項3所述的觸控面板，其中該第二嵌合開槽為U形。The touch panel according to claim 3, wherein the second fitting slot is U-shaped. 如請求項1至3中任一項所述的觸控面板，其中該第一嵌合開槽的寬度在0.8mm以上。The touch panel according to any one of claims 1 to 3, wherein the width of the first fitting slot is 0.8 mm or more. 如請求項1至3中任一項所述的觸控面板，其中該第一嵌合開槽的縱深度在1.0mm以上。The touch panel according to any one of claims 1 to 3, wherein the longitudinal depth of the first fitting slot is 1.0 mm or more. 如請求項3所述的觸控面板，其中該第二嵌合開槽的寬度在0.8mm以上。The touch panel according to claim 3, wherein the width of the second fitting slot is 0.8 mm or more. 如請求項3所述的觸控面板，其中該第二嵌合開槽的縱深度在1.0mm以上。The touch panel according to claim 3, wherein the longitudinal depth of the second fitting slot is 1.0 mm or more. 如請求項3所述的觸控面板，其中該第一嵌合開槽與對應的第二嵌合開槽相互嵌合後的總縱深度在2mm以上。The touch panel according to claim 3, wherein the total vertical depth of the first fitting slot and the corresponding second fitting slot after being fitted with each other is 2 mm or more.
TW107122404A 2018-06-11 2018-06-28 Touch panel TWI665591B (en)

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CN201810595069.1A CN108874219B (en) 2018-06-11 2018-06-11 touch panel
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