TWI773207B - Touch display device - Google Patents

Touch display device Download PDF

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TWI773207B
TWI773207B TW110110257A TW110110257A TWI773207B TW I773207 B TWI773207 B TW I773207B TW 110110257 A TW110110257 A TW 110110257A TW 110110257 A TW110110257 A TW 110110257A TW I773207 B TWI773207 B TW I773207B
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touch
display device
control circuit
signal lines
backplane
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TW110110257A
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Chinese (zh)
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TW202219715A (en
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林彬成
黃朝琨
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友達光電股份有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

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  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

A touch display device includes a display panel, a touch module and a back plate. The touch module is disposed at one side of the display panel and includes a plurality of signal lines. The back plate is disposed at another side of the display panel, and has a first surface near the display panel. The first surface of the back plate has a plurality of grooves, and the signal lines are disposed in the grooves respectively.

Description

觸控顯示裝置touch display device

本發明是有關於一種觸控顯示裝置，且特別是有關於一種可避免訊號線發生訊號干擾的觸控顯示裝置。 The present invention relates to a touch display device, and more particularly, to a touch display device that can avoid signal interference on signal lines.

近年來，觸控顯示裝置已成為生活中非常普及的電子裝置之一。觸控顯示裝置通常包括許多的觸控訊號線，用以傳輸觸控訊號。然而，這些觸控訊號線常呈現混雜散佈的狀態，而且，為了連接至觸控控制電路，這些觸控訊號線常被彎折交錯，因而不易固定。另外，觸控控制電路通常設置於電子裝置的背板，而電子裝置的背板上還會設置其他的控制電路，例如電源控制電路、驅動電路、時序控制電路等。由於空間有限，觸控訊號線常會跟這些控制電路交錯配置，造成觸控訊號受到干擾，進而導致觸控感測的準確率降低。 In recent years, touch display devices have become one of the most popular electronic devices in daily life. A touch display device usually includes many touch signal lines for transmitting touch signals. However, these touch signal lines are often scattered in a mixed state, and in order to be connected to the touch control circuit, these touch signal lines are often bent and staggered, so it is not easy to fix. In addition, the touch control circuit is usually disposed on the backplane of the electronic device, and other control circuits, such as a power control circuit, a driving circuit, a timing control circuit, etc., are also disposed on the backplane of the electronic device. Due to the limited space, the touch signal lines are often arranged in a staggered manner with these control circuits, causing the touch signals to be disturbed, thereby reducing the accuracy of touch sensing.

本發明提供一種觸控顯示裝置，可避免訊號線發生訊號干擾。 The present invention provides a touch display device, which can avoid signal interference on a signal line.

本發明的一個實施例提出一種觸控顯示裝置，包括：顯示面板；觸控模組，位於顯示面板之一側，且包括多條訊號線；以及背板，位於顯示面板之另一側，且具有靠近顯示面板的第一表面，其中，背板的第一表面上具有多個凹槽，且訊號線分別位於凹槽中。 One embodiment of the present invention provides a touch display device, including: a display panel; a touch module located on one side of the display panel and including a plurality of signal lines; and a backplane located on the other side of the display panel, and It has a first surface close to the display panel, wherein the first surface of the back plate has a plurality of grooves, and the signal lines are respectively located in the grooves.

在本發明的一實施例中，上述的觸控模組包括多個驅動電極及多個感測電極，上述的訊號線包括多條驅動訊號線以及多條感測訊號線，且驅動訊號線分別連接驅動電極，感測訊號線分別連接感測電極。 In an embodiment of the present invention, the above-mentioned touch module includes a plurality of driving electrodes and a plurality of sensing electrodes, the above-mentioned signal lines include a plurality of driving signal lines and a plurality of sensing signal lines, and the driving signal lines are respectively The driving electrodes are connected, and the sensing signal lines are respectively connected with the sensing electrodes.

在本發明的一實施例中，上述的觸控顯示裝置還包括屏蔽件，其中屏蔽件覆蓋訊號線，且訊號線位於屏蔽件與背板之間。 In an embodiment of the present invention, the above-mentioned touch display device further includes a shielding element, wherein the shielding element covers the signal line, and the signal line is located between the shielding element and the backplane.

在本發明的一實施例中，上述的屏蔽件包括導電橡膠、導電布、導電泡棉、導電塗料、吸波材料、金屬片、導電布膠帶、金屬箔膠帶或上述材料之組合。 In an embodiment of the present invention, the above-mentioned shielding member includes conductive rubber, conductive cloth, conductive foam, conductive paint, wave absorbing material, metal sheet, conductive cloth tape, metal foil tape or a combination of the above materials.

在本發明的一實施例中，上述的觸控顯示裝置還包括光源，且光源位於顯示面板與屏蔽件之間。 In an embodiment of the present invention, the above-mentioned touch display device further includes a light source, and the light source is located between the display panel and the shielding member.

在本發明的一實施例中，上述的觸控顯示裝置還包括光學膜，且光學膜位於光源與顯示面板之間。 In an embodiment of the present invention, the above-mentioned touch display device further includes an optical film, and the optical film is located between the light source and the display panel.

在本發明的一實施例中，上述的光學膜包括偏光片、擴散片或導光板。 In an embodiment of the present invention, the above-mentioned optical film includes a polarizer, a diffuser or a light guide plate.

在本發明的一實施例中，上述的觸控顯示裝置還包括觸控控制電路，位於背板的第二表面上，第二表面與第一表面相對， 且觸控控制電路與訊號線電性連接。 In an embodiment of the present invention, the above-mentioned touch display device further includes a touch control circuit located on the second surface of the backplane, the second surface is opposite to the first surface, And the touch control circuit is electrically connected with the signal line.

在本發明的一實施例中，上述的背板還具有至少一板孔，且訊號線穿過板孔而電性連接至觸控控制電路。 In an embodiment of the present invention, the above-mentioned backplane further has at least one board hole, and the signal line passes through the board hole and is electrically connected to the touch control circuit.

在本發明的一實施例中，上述的板孔環繞觸控控制電路。 In an embodiment of the present invention, the above-mentioned plate hole surrounds the touch control circuit.

在本發明的一實施例中，上述的背板還具有至少一側孔，且訊號線依序穿過側孔及板孔而電性連接至觸控控制電路。 In an embodiment of the present invention, the above-mentioned backplane further has at least one side hole, and the signal lines pass through the side hole and the board hole in sequence to be electrically connected to the touch control circuit.

在本發明的一實施例中，上述的觸控顯示裝置還包括電源控制電路、驅動電路、時序控制電路、顯示控制電路及智能顯示模組，位於第二表面上，且第二表面被觸控控制電路、電源控制電路、驅動電路、時序控制電路、顯示控制電路以及智能顯示模組覆蓋的面積比小於50%。 In an embodiment of the present invention, the above-mentioned touch display device further includes a power control circuit, a driving circuit, a timing control circuit, a display control circuit, and an intelligent display module, which are located on the second surface, and the second surface is touched. The area ratio of the control circuit, the power control circuit, the drive circuit, the timing control circuit, the display control circuit and the intelligent display module is less than 50%.

在本發明的一實施例中，上述的觸控顯示裝置還包括多個連接器，位於背板的第一表面上，其中各訊號線可包括多個區段，且各連接器用以連接各訊號線的各區段。 In an embodiment of the present invention, the above-mentioned touch display device further includes a plurality of connectors located on the first surface of the backplane, wherein each signal line may include a plurality of segments, and each connector is used to connect each signal segments of the line.

為讓本發明的上述特徵和優點能更明顯易懂，下文特舉實施例，並配合所附圖式作詳細說明如下。 In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.

10、20、30:觸控顯示裝置 10, 20, 30: touch display device

110:顯示面板 110: Display panel

111:第一側 111: First side

112:第二側 112: Second side

120:觸控模組 120: Touch Module

121、221、321:訊號線 121, 221, 321: Signal line

121a:驅動訊號線 121a: drive signal line

121b:感測訊號線 121b: Sensing signal line

130、230、330:背板 130, 230, 330: Backplane

131、231、331:第一表面 131, 231, 331: first surface

132、232:第二表面 132, 232: Second surface

133、233、333a、333b:凹槽 133, 233, 333a, 333b: grooves

134、334:板孔 134, 334: plate hole

135:側孔 135: side hole

140:屏蔽件 140: Shield

150:光源 150: light source

160:光學膜 160: Optical film

171、271:觸控控制電路 171, 271: touch control circuit

172、272:電源控制電路 172, 272: Power control circuit

173、273:驅動電路 173, 273: Drive circuit

174、274:時序控制電路 174, 274: Sequence control circuit

175、275:顯示控制電路 175, 275: Display control circuit

176、276:智能顯示模組 176, 276: intelligent display module

280:外殼 280: Shell

321a:第一區段 321a: first segment

321b:第二區段 321b: Second Section

390:連接器 390: Connector

390a:第一側 390a: First side

390b:第二側 390b: Second side

D1、D2:方向 D1, D2: direction

I、II、III、IV:區域 I, II, III, IV: Regions

Rx:感測電極 Rx: sensing electrode

Tx:驅動電極 Tx: drive electrode

圖1A是本發明的一實施例的觸控顯示裝置的分解示意圖。 FIG. 1A is an exploded schematic diagram of a touch display device according to an embodiment of the present invention.

圖1B是圖1A的觸控顯示裝置的背板及訊號線的組裝示意圖。 FIG. 1B is an assembly schematic diagram of a backplane and signal lines of the touch display device of FIG. 1A .

圖1C是圖1A的觸控顯示裝置的背板、訊號線、屏蔽件以及光源的組裝示意圖。 FIG. 1C is an assembly schematic diagram of the backplane, signal lines, shielding members and light sources of the touch display device of FIG. 1A .

圖1D是圖1A的觸控顯示裝置的背板的第二表面的正視示意圖。 FIG. 1D is a schematic front view of the second surface of the backplane of the touch display device of FIG. 1A .

圖2A是依照本發明另一實施例的觸控顯示裝置的背板及訊號線的組裝示意圖。 FIG. 2A is an assembly schematic diagram of a backplane and a signal line of a touch display device according to another embodiment of the present invention.

圖2B是圖2A的觸控顯示裝置的背板的第二表面的正視示意圖。 FIG. 2B is a schematic front view of the second surface of the backplane of the touch display device of FIG. 2A .

圖3是依照本發明另一實施例的觸控顯示裝置的背板及訊號線的組裝示意圖。 FIG. 3 is an assembly schematic diagram of a backplane and a signal line of a touch display device according to another embodiment of the present invention.

圖1A是本發明的一實施例的觸控顯示裝置10的分解示意圖。圖1B是圖1A的觸控顯示裝置10的背板130及訊號線121的組裝示意圖。圖1C是圖1A的觸控顯示裝置10的背板130、訊號線121、屏蔽件140以及光源150的組裝示意圖。圖1D是圖1A的觸控顯示裝置10的背板130的第二表面132的正視示意圖。 FIG. 1A is an exploded schematic diagram of a touch display device 10 according to an embodiment of the present invention. FIG. 1B is an assembly schematic diagram of the backplane 130 and the signal lines 121 of the touch display device 10 of FIG. 1A . FIG. 1C is an assembly schematic diagram of the backplane 130 , the signal line 121 , the shielding member 140 and the light source 150 of the touch display device 10 of FIG. 1A . FIG. 1D is a schematic front view of the second surface 132 of the backplane 130 of the touch display device 10 of FIG. 1A .

請參照圖1A，觸控顯示裝置10包括顯示面板110、觸控模組120以及背板130。顯示面板110具有第一側111及與第一側111相對的第二側112。觸控模組120位於顯示面板110的第一側111，且包括多條訊號線121。背板130位於顯示面板110的第二側112，且背板130具有靠近顯示面板110的第一表面131及與第 一表面131相對的第二表面132。第一表面131上具有多個凹槽133，且訊號線121分別位於凹槽133中。 Referring to FIG. 1A , the touch display device 10 includes a display panel 110 , a touch module 120 and a backplane 130 . The display panel 110 has a first side 111 and a second side 112 opposite to the first side 111 . The touch module 120 is located on the first side 111 of the display panel 110 and includes a plurality of signal lines 121 . The backplane 130 is located on the second side 112 of the display panel 110 , and the backplane 130 has a first surface 131 close to the display panel 110 and a first surface 131 close to the display panel 110 . A surface 131 is opposite to the second surface 132 . The first surface 131 has a plurality of grooves 133 , and the signal lines 121 are respectively located in the grooves 133 .

承上述，在本發明的一實施例的觸控顯示裝置10中，藉由將訊號線121定位於背板130的第一表面131上的多個凹槽133中，可有效地避免訊號線121與其他的控制電路交錯而發生的訊號干擾的問題。 Based on the above, in the touch display device 10 according to an embodiment of the present invention, the signal lines 121 can be effectively avoided by positioning the signal lines 121 in the plurality of grooves 133 on the first surface 131 of the backplane 130 . The problem of signal interference caused by interleaving with other control circuits.

以下，配合圖式，繼續說明觸控顯示裝置10的各個元件的實施方式。首先，請參照圖1A，在觸控顯示裝置10中，顯示面板110位於觸控模組120與背板130之間。在本實施例中，觸控模組120可與顯示面板110共用基板，而構成外嵌式(on-cell)觸控顯示裝置10，但本發明不限於此。在一些實施例中，觸控模組120也可包括另一基板並貼合至顯示面板110的第一側111，而與顯示面板110構成外貼式(out-cell)觸控顯示裝置。 Hereinafter, the embodiments of each element of the touch display device 10 will be continuously described with reference to the drawings. First, referring to FIG. 1A , in the touch display device 10 , the display panel 110 is located between the touch module 120 and the backplane 130 . In this embodiment, the touch module 120 and the display panel 110 can share a substrate to form an on-cell touch display device 10 , but the invention is not limited thereto. In some embodiments, the touch module 120 may also include another substrate and be attached to the first side 111 of the display panel 110 to form an out-cell touch display device with the display panel 110 .

顯示面板110的類型並無特別限制。在本實施例中，顯示面板110可以是液晶顯示面板(LCD)，但不以此為限。在一些實施例中，顯示面板110也可以是有機發光二極體(OLED)或微發光二極體(Micro LED)顯示面板。 The type of the display panel 110 is not particularly limited. In this embodiment, the display panel 110 may be a liquid crystal display panel (LCD), but not limited thereto. In some embodiments, the display panel 110 may also be an organic light emitting diode (OLED) or a micro light emitting diode (Micro LED) display panel.

觸控模組120的類型並無特別限制。在本實施例中，觸控模組120可以是電容式觸控模組，但不以此為限。在一些實施例中，觸控模組120也可以是電阻式、光學式或音波式觸控模組等。 The type of the touch module 120 is not particularly limited. In this embodiment, the touch module 120 may be a capacitive touch module, but not limited thereto. In some embodiments, the touch module 120 may also be a resistive, optical, or sonic touch module, or the like.

舉例而言，在本實施例中，觸控模組120可以包括沿著 方向D1延伸的多個驅動電極Tx及沿著方向D2延伸的多個感測電極Rx，其中方向D1與方向D2不同。當物體(例如：觸控筆)觸碰觸控模組120時，會改變驅動電極Tx與感測電極Rx之間的電容；將此改變訊號回傳至控制器，即可計算接觸發生點的座標。 For example, in this embodiment, the touch module 120 may include A plurality of drive electrodes Tx extending in a direction D1 and a plurality of sensing electrodes Rx extending along a direction D2, where the direction D1 is different from the direction D2. When an object (eg, a stylus) touches the touch module 120, the capacitance between the driving electrode Tx and the sensing electrode Rx will be changed; this change signal is sent back to the controller, and the contact point can be calculated. coordinate.

在一些實施例中，上述的驅動電極Tx或感測電極Rx可與位在周邊的導電接墊電性連接，導電接墊再接合至訊號線121。在一些實施例中，每一訊號線121可以包括相互電性隔離地設置於軟板上的多條導線，也就是說，訊號線121可以具有軟性印刷電路板(FPC)的形式，但本發明不以此為限。在一些實施例中，上述多條導線可以分別電性連接驅動電極Tx以及感測電極Rx，以傳送訊號至驅動電極Tx以及感測電極Rx，或接收來自驅動電極Tx以及感測電極Rx的訊號。 In some embodiments, the above-mentioned driving electrodes Tx or sensing electrodes Rx may be electrically connected to conductive pads located at the periphery, and the conductive pads are then connected to the signal lines 121 . In some embodiments, each signal line 121 may include a plurality of conductors that are electrically isolated from each other and provided on a flexible board, that is, the signal line 121 may have the form of a flexible printed circuit board (FPC), but the present invention Not limited to this. In some embodiments, the plurality of wires can be electrically connected to the driving electrodes Tx and the sensing electrodes Rx, respectively, so as to transmit signals to the driving electrodes Tx and the sensing electrodes Rx, or receive signals from the driving electrodes Tx and the sensing electrodes Rx .

請參照圖1B，在本實施例中，訊號線121可以包括多條驅動訊號線121a以及多條感測訊號線121b，且驅動電極Tx可分別連接驅動訊號線121a，感測電極Rx可分別連接感測訊號線121b，但不以此為限。 Referring to FIG. 1B , in this embodiment, the signal lines 121 may include a plurality of driving signal lines 121 a and a plurality of sensing signal lines 121 b, and the driving electrodes Tx may be respectively connected to the driving signal lines 121 a, and the sensing electrodes Rx may be respectively connected to The sensing signal line 121b is not limited thereto.

形成於背板130的第一表面131上的多個凹槽133並無特別限制，只要可容置訊號線121且可確保訊號線121不會相互交錯或重疊即可。在本實施例中，凹槽133的寬度可稍大於訊號線121的線寬，使得訊號線121可順應凹槽133的輪廓而被定位於凹槽133中，且使訊號線121不凸出於第一表面131。在一些實施例中，凹槽133的數量可與訊號線121的數量相同，但不以此 為限。 The plurality of grooves 133 formed on the first surface 131 of the backplane 130 are not particularly limited, as long as they can accommodate the signal lines 121 and ensure that the signal lines 121 do not cross or overlap each other. In this embodiment, the width of the groove 133 can be slightly larger than the line width of the signal line 121 , so that the signal line 121 can be positioned in the groove 133 according to the contour of the groove 133 , and the signal line 121 does not protrude out of the groove 133 . first surface 131 . In some embodiments, the number of the grooves 133 may be the same as the number of the signal lines 121, but not limited.

請同時參照圖1A與圖1C，在本實施例中，觸控顯示裝置10還可包括屏蔽件140。屏蔽件140覆蓋訊號線121，使得訊號線121位於屏蔽件140與背板130的第一表面131之間。屏蔽件140可屏蔽電磁訊號，以避免訊號線121受電磁訊號干擾。在一些實施例中，屏蔽件140可以包括金屬材料或電磁屏蔽材料。在一些實施例中，屏蔽件140可以是導電橡膠、導電布、導電泡棉、導電塗料、吸波材料、金屬片、導電布膠帶、金屬箔膠帶或上述材料之組合，但不以此為限。 Please refer to FIG. 1A and FIG. 1C simultaneously. In this embodiment, the touch display device 10 may further include a shielding member 140 . The shielding element 140 covers the signal line 121 such that the signal line 121 is located between the shielding element 140 and the first surface 131 of the backplane 130 . The shielding member 140 can shield the electromagnetic signal to prevent the signal line 121 from being interfered by the electromagnetic signal. In some embodiments, the shield 140 may comprise a metallic material or an electromagnetic shielding material. In some embodiments, the shielding member 140 may be conductive rubber, conductive cloth, conductive foam, conductive paint, wave absorbing material, metal sheet, conductive cloth tape, metal foil tape, or a combination of the above materials, but not limited thereto .

在一些實施例中，當顯示面板110為非自發光顯示面板時，例如當顯示面板110為液晶顯示面板時，觸控顯示裝置10還可包括光源150，且光源150可位於顯示面板110與背板130之間，或者，光源150可位於顯示面板110與屏蔽件140之間。光源150例如是發光二極體(LED)陣列，但不以此為限。 In some embodiments, when the display panel 110 is a non-self-luminous display panel, for example, when the display panel 110 is a liquid crystal display panel, the touch display device 10 may further include a light source 150 , and the light source 150 may be located between the display panel 110 and the back Between the boards 130 , alternatively, the light source 150 may be located between the display panel 110 and the shield 140 . The light source 150 is, for example, a light emitting diode (LED) array, but not limited thereto.

在一些實施例中，觸控顯示裝置10還可包括光學膜160，光學膜160可位於光源150與顯示面板110之間。在此架構下，背板130、光源150以及光學膜160可構成光源模組BL。舉例而言，光學膜160可以包括偏光片(polarizer)、擴散片(diffuser)或導光板(light guide plate)，用以調整光源模組BL的射出光的均勻度，但不以此為限。 In some embodiments, the touch display device 10 may further include an optical film 160 , and the optical film 160 may be located between the light source 150 and the display panel 110 . Under this structure, the backplane 130 , the light source 150 and the optical film 160 can constitute the light source module BL. For example, the optical film 160 may include a polarizer, a diffuser or a light guide plate to adjust the uniformity of the light emitted from the light source module BL, but not limited thereto.

請同時參照圖1B與圖1D，觸控顯示裝置10還包括觸控控制電路171，觸控控制電路171位於背板130的第二表面132 上，且訊號線121電性連接至觸控控制電路171。舉例而言，在本實施例中，背板130可具有板孔134，且訊號線121穿過板孔134而電性連接至觸控控制電路171。 1B and FIG. 1D at the same time, the touch display device 10 further includes a touch control circuit 171 , and the touch control circuit 171 is located on the second surface 132 of the backplane 130 . and the signal line 121 is electrically connected to the touch control circuit 171 . For example, in this embodiment, the backplane 130 may have a board hole 134 , and the signal line 121 passes through the board hole 134 and is electrically connected to the touch control circuit 171 .

板孔134的數量並無限制，可取決於訊號線121的數量，且板孔134可環繞觸控控制電路171設置。舉例而言，在本實施例中，背板130可具有三個分別位於觸控控制電路171的上側及左、右兩側的板孔134，因此，訊號線121穿過板孔134後可直接連接觸控控制電路171，也就是說，訊號線121不需延伸於背板130的第二表面132上。如此一來，可避免訊號線121與設置於第二表面132上的其他控制電路交錯或重疊，從而可避免訊號線121所傳送的訊號受到干擾。 The number of the board holes 134 is not limited and may depend on the number of the signal lines 121 , and the board holes 134 can be disposed around the touch control circuit 171 . For example, in this embodiment, the backplane 130 may have three board holes 134 located on the upper side and the left and right sides of the touch control circuit 171 respectively. Therefore, after the signal line 121 passes through the board holes 134, it can directly The touch control circuit 171 is connected, that is, the signal line 121 does not need to extend on the second surface 132 of the backplane 130 . In this way, the signal line 121 and other control circuits disposed on the second surface 132 can be prevented from interlacing or overlapping, thereby preventing the signal transmitted by the signal line 121 from being disturbed.

請參照圖1A或圖1C，在一些實施例中，背板130還可以具有側孔135，側孔135設置於背板130的側邊，從觸控模組120延伸出的訊號線121可以先穿過側孔135進入凹槽133中，接著沿著凹槽133延伸至板孔134，然後再穿過板孔134連接觸控控制電路171。側孔135的數量並無限制，可取決於訊號線121的數量。舉例而言，側孔135的數量可與訊號線121的數量相同，如此一來，每一訊號線121可穿過對應的側孔135而進入對應的凹槽133中，但本發明不以此為限。 Referring to FIG. 1A or FIG. 1C , in some embodiments, the backplane 130 may further have side holes 135 . The side holes 135 are disposed on the sides of the backplane 130 , and the signal lines 121 extending from the touch module 120 may be first Enter the groove 133 through the side hole 135 , then extend along the groove 133 to the board hole 134 , and then pass through the board hole 134 to connect to the touch control circuit 171 . The number of the side holes 135 is not limited and may depend on the number of the signal lines 121 . For example, the number of the side holes 135 can be the same as the number of the signal lines 121, so that each signal line 121 can pass through the corresponding side hole 135 and enter the corresponding groove 133, but the present invention does not use this limited.

請參照圖1D，除了前述的觸控控制電路171之外，觸控顯示裝置10還可以包括各種控制電路、驅動電路或智能模組，且上述的控制電路、驅動電路或智能模組可設置於背板130的第二 表面132上。舉例而言，在本實施例中，上述的控制電路、驅動電路或智能模組例如可包括電源控制電路(Power Board)172、驅動電路(Driver Board)173、時序控制電路(TCON)174、顯示控制電路(AD Board)175及智能顯示模組(SDM)176。電源控制電路172例如可以控制及管理觸控顯示裝置10的電源供應；驅動電路173例如可驅動顯示面板110的顯示元件的操作；時序控制電路174例如可控制顯示面板110的顯示元件以及觸控模組120的觸控電極的操作時序；顯示控制電路175例如可偵測及補償提供到顯示面板110的顯示元件的電流；智能顯示模組176例如可以擴充觸控顯示裝置10的整合介面。 Referring to FIG. 1D , in addition to the aforementioned touch control circuit 171 , the touch display device 10 may further include various control circuits, driving circuits or smart modules, and the aforementioned control circuits, driving circuits or smart modules may be disposed in The second of the backplane 130 on surface 132. For example, in this embodiment, the above-mentioned control circuit, driving circuit or smart module may include, for example, a power control circuit (Power Board) 172, a driving circuit (Driver Board) 173, a timing control circuit (TCON) 174, a display A control circuit (AD Board) 175 and a smart display module (SDM) 176 . The power control circuit 172 can, for example, control and manage the power supply of the touch display device 10 ; the driving circuit 173 can drive the operation of the display elements of the display panel 110 , for example; the timing control circuit 174 can control the display elements and the touch mode of the display panel 110 , for example. The operation timing of the touch electrodes of the group 120 ; the display control circuit 175 , for example, can detect and compensate the current supplied to the display elements of the display panel 110 ; the smart display module 176 can expand the integrated interface of the touch display device 10 , for example.

以下，使用圖2A至圖2B繼續說明本發明的其他實施例；並且，沿用圖1A至圖1D的實施例的元件標號與相關內容，其中，採用相同或近似的標號來表示相同或近似的元件，並且省略了相同技術內容的說明。關於省略部分的說明，可參考圖1A至圖1D的實施例，在以下的說明中不再重述。 2A to FIG. 2B continue to describe other embodiments of the present invention; and, continue to use the element numbers and related content of the embodiment of FIG. 1A to FIG. 1D , wherein, the same or similar numbers are used to represent the same or similar elements. , and the description of the same technical content is omitted. For the description of the omitted part, reference may be made to the embodiments of FIGS. 1A to 1D , which will not be repeated in the following description.

圖2A是依照本發明一實施例的觸控顯示裝置20的背板230及訊號線221的組裝示意圖。圖2B是圖2A的觸控顯示裝置20的背板230的第二表面232的正視示意圖。 FIG. 2A is an assembly diagram of the backplane 230 and the signal lines 221 of the touch display device 20 according to an embodiment of the present invention. FIG. 2B is a schematic front view of the second surface 232 of the backplane 230 of the touch display device 20 of FIG. 2A .

與圖1A至圖1D所示的觸控顯示裝置10相比，如圖2A至圖2B所示的觸控顯示裝置20的不同之處在於：觸控控制電路271、電源控制電路272、驅動電路273、時序控制電路274、顯示控制電路275及智能顯示模組276集中設置於背板230的第二表 面232的下半側。 Compared with the touch display device 10 shown in FIGS. 1A to 1D , the touch display device 20 shown in FIGS. 2A to 2B is different in that: a touch control circuit 271 , a power control circuit 272 , and a driving circuit 273, the timing control circuit 274, the display control circuit 275 and the intelligent display module 276 are centrally arranged on the second table of the backplane 230 lower half of face 232.

舉例而言，在本實施例中，若將背板230由上而下區分為四個面積大致相等的區域I、II、III、IV，則凹槽233的配置範圍可設計在背板230的第一表面231的區域I、II、III，而觸控控制電路271可設置於背板230的第二表面232的區域III，以便於與凹槽233中的訊號線221連接。同時，可將電源控制電路272、驅動電路273、時序控制電路274、顯示控制電路275及智能顯示模組276設置於背板230的第二表面232的區域III及IV。如此一來，第二表面232被觸控控制電路271、電源控制電路272、驅動電路273、時序控制電路274、顯示控制電路275及智能顯示模組276覆蓋的面積比可小於50%。因此，背板230的第二表面232僅需於下半側設置外殼280，而其上半側則可呈現薄型美背的設計，或是提供設置其他部件的空間。 For example, in this embodiment, if the back plate 230 is divided into four regions I, II, III and IV with approximately equal areas from top to bottom, the arrangement range of the grooves 233 can be designed in the back plate 230 The regions I, II, and III of the first surface 231 and the touch control circuit 271 can be disposed in the region III of the second surface 232 of the backplane 230 to facilitate connection with the signal lines 221 in the grooves 233 . Meanwhile, the power control circuit 272 , the driving circuit 273 , the timing control circuit 274 , the display control circuit 275 and the smart display module 276 can be disposed in the regions III and IV of the second surface 232 of the backplane 230 . In this way, the area ratio of the second surface 232 covered by the touch control circuit 271 , the power control circuit 272 , the driving circuit 273 , the timing control circuit 274 , the display control circuit 275 and the smart display module 276 can be less than 50%. Therefore, the second surface 232 of the back plate 230 only needs to be provided with the casing 280 on the lower half, while the upper half of the second surface 232 can have a thin and beautiful back design, or provide space for other components.

圖3是依照本發明一實施例的觸控顯示裝置30的背板330及訊號線321的組裝示意圖。與圖2A至圖2B所示的觸控顯示裝置20相比，如圖3所示的觸控顯示裝置30的不同之處在於：觸控顯示裝置30還包括多個連接器390，連接器390位於背板330的第一表面331上，用於連接訊號線321的各個區段，使得訊號線321可不需轉折。 FIG. 3 is an assembly diagram of the backplane 330 and the signal lines 321 of the touch display device 30 according to an embodiment of the present invention. Compared with the touch display device 20 shown in FIGS. 2A to 2B , the difference between the touch display device 30 shown in FIG. 3 is that the touch display device 30 further includes a plurality of connectors 390 , and the connectors 390 It is located on the first surface 331 of the backplane 330 and is used for connecting each section of the signal line 321 so that the signal line 321 does not need to be turned.

舉例而言，在本實施例中，訊號線321可包括第一區段321a及第二區段321b。訊號線321的第一區段321a從背板330外部伸入凹槽333a中，接著沿著凹槽333a延伸而連接連接器390 的第一側390a。接著，訊號線321的第二區段321b連接連接器390的第二側390b，且沿著凹槽333b延伸而穿過板孔334，以連接例如位於背板330的另一表面的觸控控制電路。如此一來，可確保訊號線321平整地位於凹槽333a、333b中。 For example, in this embodiment, the signal line 321 may include a first section 321a and a second section 321b. The first section 321a of the signal line 321 extends from the outside of the backplane 330 into the groove 333a, and then extends along the groove 333a to connect to the connector 390 the first side 390a. Next, the second section 321b of the signal line 321 is connected to the second side 390b of the connector 390 and extends along the groove 333b and passes through the board hole 334 to connect, for example, a touch control on the other surface of the backplane 330 . circuit. In this way, it can be ensured that the signal lines 321 are evenly located in the grooves 333a and 333b.

綜上所述，本發明的觸控顯示裝置藉由將訊號線定位於背板的內側表面上的凹槽中，可確保訊號線平整而不凸出於背板的內側表面，同時可有效避免訊號線與其他的控制電路交錯所產生的訊號干擾，從而能夠提高觸控感測的準確率。 To sum up, by positioning the signal lines in the grooves on the inner surface of the backplane, the touch display device of the present invention can ensure that the signal lines are flat and do not protrude from the inner surface of the backplane, and can effectively avoid The signal interference generated by the interlacing of the signal lines and other control circuits can improve the accuracy of touch sensing.

雖然本發明已以實施例揭露如上，然其並非用以限定本發明，任何所屬技術領域中具有通常知識者，在不脫離本發明的精神和範圍內，當可作些許的更動與潤飾，故本發明的保護範圍當視後附的申請專利範圍所界定者為準。 Although the present invention has been disclosed above by the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, The protection scope of the present invention shall be determined by the scope of the appended patent application.

10:觸控顯示裝置 10: Touch display device

110:顯示面板 110: Display panel

111:第一側 111: First side

112:第二側 112: Second side

120:觸控模組 120: Touch Module

121:訊號線 121: Signal line

130:背板 130: Backplane

131:第一表面 131: First Surface

132:第二表面 132: Second Surface

133:凹槽 133: Groove

134:板孔 134: plate hole

135:側孔 135: side hole

140:屏蔽件 140: Shield

150:光源 150: light source

160:光學膜 160: Optical film

D1、D2:方向 D1, D2: direction

Rx:感測電極 Rx: sensing electrode

Tx:驅動電極 Tx: drive electrode

Claims (13)

一種觸控顯示裝置，包括：一顯示面板；一觸控模組，位於該顯示面板之一側，且包括多條訊號線；以及一背板，位於該顯示面板之另一側，且具有靠近該顯示面板的一第一表面，其中，該背板的該第一表面上具有多個凹槽，且該些訊號線分別位於該些凹槽中。 A touch display device includes: a display panel; a touch module located on one side of the display panel and including a plurality of signal lines; and a backplane located on the other side of the display panel and having a A first surface of the display panel, wherein the first surface of the back plate has a plurality of grooves, and the signal lines are respectively located in the grooves. 如請求項1所述的觸控顯示裝置，其中該觸控模組包括多個驅動電極及多個感測電極，該些訊號線包括多條驅動訊號線以及多條感測訊號線，且該些驅動訊號線分別連接該些驅動電極，該些感測訊號線分別連接該些感測電極。 The touch display device of claim 1, wherein the touch module includes a plurality of driving electrodes and a plurality of sensing electrodes, the signal lines include a plurality of driving signal lines and a plurality of sensing signal lines, and the The driving signal lines are respectively connected to the driving electrodes, and the sensing signal lines are respectively connected to the sensing electrodes. 如請求項1所述的觸控顯示裝置，還包括一屏蔽件，其中該屏蔽件覆蓋該些訊號線，且該些訊號線位於該屏蔽件與該背板之間。 The touch display device according to claim 1, further comprising a shielding member, wherein the shielding member covers the signal lines, and the signal lines are located between the shielding member and the backplane. 如請求項3所述的觸控顯示裝置，其中該屏蔽件包括導電橡膠、導電布、導電泡棉、導電塗料、吸波材料、金屬片、導電布膠帶、金屬箔膠帶或上述材料之組合。 The touch display device according to claim 3, wherein the shielding member comprises conductive rubber, conductive cloth, conductive foam, conductive paint, wave absorbing material, metal sheet, conductive cloth tape, metal foil tape, or a combination of the above materials. 如請求項3所述的觸控顯示裝置，還包括一光源，且該光源位於該顯示面板與該屏蔽件之間。 The touch display device according to claim 3, further comprising a light source, and the light source is located between the display panel and the shielding member. 如請求項5所述的觸控顯示裝置，還包括一光學膜，且該光學膜位於該光源與該顯示面板之間。 The touch display device according to claim 5, further comprising an optical film, and the optical film is located between the light source and the display panel. 如請求項6所述的觸控顯示裝置，其中該光學膜包括偏光片、擴散片或導光板。 The touch display device according to claim 6, wherein the optical film comprises a polarizer, a diffuser or a light guide plate. 如請求項1所述的觸控顯示裝置，還包括一觸控控制電路，位於該背板的一第二表面上，該第二表面與該第一表面相對，且該觸控控制電路與該些訊號線電性連接。 The touch display device according to claim 1, further comprising a touch control circuit located on a second surface of the backplane, the second surface is opposite to the first surface, and the touch control circuit is connected to the touch control circuit. These signal lines are electrically connected. 如請求項8所述的觸控顯示裝置，其中該背板還具有至少一板孔，且該些訊號線穿過該板孔而電性連接至該觸控控制電路。 The touch display device of claim 8, wherein the backplane further has at least one board hole, and the signal lines pass through the board hole and are electrically connected to the touch control circuit. 如請求項9所述的觸控顯示裝置，其中該至少一板孔環繞該觸控控制電路。 The touch display device of claim 9, wherein the at least one board hole surrounds the touch control circuit. 如請求項9所述的觸控顯示裝置，其中該背板還具有至少一側孔，且該些訊號線依序穿過該側孔、該些凹槽及該板孔而電性連接至該觸控控制電路。 The touch display device as claimed in claim 9, wherein the backplane further has at least one side hole, and the signal lines pass through the side hole, the grooves and the board hole in sequence to be electrically connected to the board hole touch control circuit. 如請求項8所述的觸控顯示裝置，還包括一電源控制電路、一驅動電路、一時序控制電路、一顯示控制電路及一智能顯示模組，位於該第二表面上，且該第二表面被該觸控控制電路、該電源控制電路、該驅動電路、該時序控制電路、該顯示控制電路以及該智能顯示模組覆蓋的面積比小於50%。 The touch display device according to claim 8, further comprising a power control circuit, a driving circuit, a timing control circuit, a display control circuit and an intelligent display module, which are located on the second surface, and the second The area ratio of the surface covered by the touch control circuit, the power control circuit, the driving circuit, the timing control circuit, the display control circuit and the intelligent display module is less than 50%. 如請求項1所述的觸控顯示裝置，還包括多個連接器，位於該背板的該第一表面上，其中各該訊號線可包括多個區段，且各該連接器用以連接各該訊號線的各該區段。 The touch display device of claim 1, further comprising a plurality of connectors located on the first surface of the backplane, wherein each of the signal lines may include a plurality of segments, and each of the connectors is used to connect to each each of the segments of the signal line.
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