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TW201704964A - Touch display - Google Patents

Touch display Download PDF

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Publication number
TW201704964A
TW201704964A TW105106635A TW105106635A TW201704964A TW 201704964 A TW201704964 A TW 201704964A TW 105106635 A TW105106635 A TW 105106635A TW 105106635 A TW105106635 A TW 105106635A TW 201704964 A TW201704964 A TW 201704964A
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TW
Taiwan
Prior art keywords
touch
display
signal
data transmission
transmission line
Prior art date
Application number
TW105106635A
Other languages
Chinese (zh)
Inventor
蔡嘉豪
彭仁杰
張志豪
陳柏鋒
劉同凱
Original Assignee
群創光電股份有限公司
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Application filed by 群創光電股份有限公司 filed Critical 群創光電股份有限公司
Priority to US15/182,614 priority Critical patent/US20170017325A1/en
Publication of TW201704964A publication Critical patent/TW201704964A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136213—Storage capacitors associated with the pixel electrode
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • 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
    • 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 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
    • 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
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/441—Interconnections, e.g. scanning lines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • 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
    • 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
    • G06F2203/04111—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 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
    • G06F2203/04112—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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Human Computer Interaction (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Position Input By Displaying (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一觸控顯示器，包括一觸控顯示面板、複數第一解多工器以及一驅動積體電路。觸控顯示面板具有複數第一顯示資料傳輸線及一觸控信號傳輸線。第一解多工器具有複數第一輸出端即依第一輸入端。驅動積體電路具有一多工器，該多工器具有第二輸出端。其中該第一解多工器的該些輸出端分別電性連接該些第一顯示資料傳輸線及該觸控信號傳輸線，該多工器的該第二輸出端經由一第一通道電性連接該第一解多工器的第一輸入端。A touch display includes a touch display panel, a plurality of first demultiplexers, and a driving integrated circuit. The touch display panel has a plurality of first display data transmission lines and a touch signal transmission line. The first demultiplexer has a plurality of first outputs, that is, according to the first input. The drive integrated circuit has a multiplexer having a second output. The output ends of the first multiplexer are electrically connected to the first display data transmission line and the touch signal transmission line, and the second output end of the multiplexer is electrically connected to the first channel. The first input of the first demultiplexer.

Description

觸控顯示器Touch display

本發明是有關於一種觸控顯示器，且特別是有關於一種可減少驅動積體電路通道數及觸控顯示面板週邊區尺寸的觸控顯示器。The present invention relates to a touch display, and more particularly to a touch display capable of reducing the number of channels of a driving integrated circuit and the size of a peripheral area of the touch display panel.

隨著電子科技的快速演進，電子產品已成為人們生活中必備的工具。而為了提升電子產品在操作上的便利性，高效能的觸控顯示器成為電子產品中必要的一種裝置。With the rapid evolution of electronic technology, electronic products have become an indispensable tool in people's lives. In order to improve the convenience of operation of electronic products, high-performance touch displays have become a necessary device in electronic products.

在習知的技術領域中，在觸控顯示面板週邊區常會設置有多個解多工器來接收驅動積體電路中所輸出的顯示資料信號，藉以降低驅動積體電路的通道數（引腳數）。然而，在整合式的觸控顯示器中，驅動積體電路除需要提供顯示資料信號外，要需要提供一定數量的觸控信號。這些觸控信號在習知技術中，仍需要與觸控信號相同數量的通道來將觸控信號傳送至觸控顯示面板中。如此一來，在當觸控顯示器中的觸控信號的需求數量增加時，驅動積體電路通道數以及觸控顯示面板的週邊區的尺寸也會對應增加，造成產品成本的提高。In the prior art, a plurality of demultiplexers are often disposed in a peripheral area of the touch display panel to receive a display data signal outputted from the driving integrated circuit, thereby reducing the number of channels driving the integrated circuit (pins). number). However, in an integrated touch display, in addition to the need to provide a display data signal, the drive integrated circuit needs to provide a certain amount of touch signals. In the prior art, these touch signals still need the same number of channels as the touch signals to transmit the touch signals to the touch display panel. As a result, when the number of touch signals required in the touch display increases, the number of driving integrated circuit channels and the size of the peripheral area of the touch display panel are correspondingly increased, resulting in an increase in product cost.

本發明提供一種觸控顯示器，有效減低驅動積體電路的尺寸及觸控顯示面板的週邊區域的尺寸。The invention provides a touch display, which effectively reduces the size of the driving integrated circuit and the size of the peripheral area of the touch display panel.

本發明的觸控顯示器包括一觸控顯示面板、一第一解多工器以及一驅動積體電路。觸控顯示面板具有複數第一顯示資料傳輸線及一觸控信號傳輸線。第一解多工器具有複數第一輸出端及一第一輸入端。驅動積體電路具有一多工器，該多工器具有一第二輸出端。其中該第一解多工器的該些輸出端分別電性連接該些第一顯示資料傳輸線及該觸控信號傳輸線，該多工器的該第二輸出端經由一第一通道電性連接該第一解多工器的第一輸入端。The touch display of the present invention comprises a touch display panel, a first demultiplexer and a drive integrated circuit. The touch display panel has a plurality of first display data transmission lines and a touch signal transmission line. The first demultiplexer has a plurality of first outputs and a first input. The drive integrated circuit has a multiplexer having a second output. The output ends of the first multiplexer are electrically connected to the first display data transmission line and the touch signal transmission line, and the second output end of the multiplexer is electrically connected to the first channel. The first input of the first demultiplexer.

在本發明的一實施例中，其中該多工器可選擇一原始第一顯示資料信號或一原始觸控信號為一選中信號，當在一顯示時間區間時，該多工器選擇該原始第一顯示資料信號為該選中信號，該第一解多工器傳送與該原始第一顯示資料信號相關的一第一顯示資料信號至該些第一顯示資料傳輸線的其中之一，當在一觸控偵測時間區間時，該多工器選擇該原始觸控信號為該選中信號，該第一解多工器傳送與該原始觸控信號相關的一觸控信號至該觸控資料傳輸線。In an embodiment of the invention, the multiplexer may select an original first display data signal or an original touch signal as a selected signal, and when a display time interval, the multiplexer selects the original The first display data signal is the selected signal, and the first demultiplexer transmits a first display data signal associated with the original first display data signal to one of the first display data transmission lines, when During the touch detection time interval, the multiplexer selects the original touch signal as the selected signal, and the first multiplexer transmits a touch signal related to the original touch signal to the touch data. Transmission line.

基於上述，本發明的觸控顯示器透過在驅動積體電路供多個多工器，並使多功器整合顯示資料信號及觸控信號的傳輸動作，並配合觸控顯示面板上的解多工器進行對應的顯示資料信號及觸控信號的切換動作，驅動積體電路可以有效減少輸出通道與傳輸導線所需要的佈局面積，可有效減低驅動積體電路的成本。並且，透過驅動積體電路中的多工器，驅動積體電路與觸控顯示面板間的通道、連接導線及接合墊的數量也可以減少，降低觸控顯示面板邊緣區域所需要的面積，降低生產成本。Based on the above, the touch display of the present invention transmits a plurality of multiplexers in the driving integrated circuit, and integrates the display of the data signals and the touch signals by the multiplexer, and cooperates with the multiplexer on the touch display panel. The device performs the switching operation of the corresponding display data signal and the touch signal, and the driving integrated circuit can effectively reduce the layout area required for the output channel and the transmission line, and can effectively reduce the cost of driving the integrated circuit. Moreover, by driving the multiplexer in the integrated circuit, the number of channels, connecting wires and bonding pads between the integrated circuit and the touch display panel can be reduced, and the area required for the edge region of the touch display panel can be reduced, and the area can be reduced. Cost of production.

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。The above described features and advantages of the invention will be apparent from the following description.

請參照圖1，圖1繪示本發明一實施例的觸控顯示器的示意圖。觸控顯示器100包括觸控顯示面板110、解多工器DEMUX1~DEMUXN以及驅動積體電路120。驅動積體電路120則包括多工器MUX1~MUXN。在本實施例中，解多工器DEMUX1~DEMUXN配置在觸控顯示面板110的週邊區域112上，解多工器DEMUX1~DEMUXN的多個輸出端可分別電性連接至觸控顯示面板110上的多條顯示資料傳輸線D11~D13、D21~D23 … 、DN1~DN3及觸控資料傳輸線T11~TN1。以解多工器DEMUX1為範例，解多工器DEMUX1的多個輸出端電性連接至顯示資料傳輸線D11~D13以及觸控資料傳輸線T11。其中，顯示資料傳輸線D11~D13可分別用來傳送不同灰階電壓的顯示資料信號至觸控顯示區域111中的多個顯示畫素行（sub-pixel column），而觸控資料傳輸線T11則可用來傳輸觸控信號至觸控顯示區域111中的觸控偵測單元。於其他實施例中，觸控資料傳輸線的數量可大於1，且小於或等於顯示資料傳輸線的數量。於其他實施例中，解多工器DEMUX1~DEMUXN可配置於驅動積體電路120之內，而非位於觸控顯示面板110的週邊區域112上。Please refer to FIG. 1. FIG. 1 is a schematic diagram of a touch display according to an embodiment of the invention. The touch display 100 includes a touch display panel 110, demultiplexers DEMUX1 DEDEMUXN, and a driving integrated circuit 120. The driving integrated circuit 120 includes multiplexers MUX1 to MUXN. In this embodiment, the multiplexers DEMUX1~DEMUXN are disposed on the peripheral area 112 of the touch display panel 110, and the plurality of output ends of the multiplexers DEMUX1~DEMUXN are electrically connected to the touch display panel 110, respectively. The plurality of display data transmission lines D11~D13, D21~D23 ..., DN1~DN3 and touch data transmission lines T11~TN1. Taking the multiplexer DEMUX1 as an example, the plurality of outputs of the multiplexer DEMUX1 are electrically connected to the display data transmission lines D11 to D13 and the touch data transmission line T11. The display data transmission lines D11 to D13 are respectively configured to transmit display data signals of different gray scale voltages to a plurality of display sub-pixel columns in the touch display area 111, and the touch data transmission lines T11 can be used. The touch signal is transmitted to the touch detection unit in the touch display area 111. In other embodiments, the number of touch data transmission lines may be greater than one and less than or equal to the number of display data transmission lines. In other embodiments, the demultiplexers DEMUX1 DEDEMUXN may be disposed within the driving integrated circuit 120 instead of being located on the peripheral area 112 of the touch display panel 110.

當上述觸控信號包括觸控驅動信號（touch driving signal）及觸控感測信號（touch sensing signal），且該些觸控偵測單元為電容感應方式（capacitance），則該觸控顯示面板110為自感應電容式（self capacitance）觸控顯示面板。當上述觸控信號僅包括觸控驅動信號或觸控感測信號其中之一，且該些觸控偵測單元為電容感應方式，則該觸控顯示面板110為互感應電容式（mutual capacitance）觸控顯示面板。When the touch control signal includes a touch driving signal and a touch sensing signal, and the touch detecting unit is capacitive sensing, the touch display panel 110 It is a self-capacitance self-touch display panel. When the touch signal includes only one of a touch driving signal or a touch sensing signal, and the touch detecting unit is in a capacitive sensing manner, the touch display panel 110 is a mutual capacitance. Touch display panel.

在另一方面，解多工器DEMUX1~DEMUXN分別對應驅動積體電路120中的多工器MUX1~MUXN。解多工器DEMUX1~DEMUXN的輸入端分別藉由通道（LEAD）LD1~LDN電性連接至多工器MUX1~MUXN的輸出端。另外，多工器MUX1~MUXN的輸入端分別接收原始顯示資料信號DIN1~DINN以及原始觸控信號TS1~TSN，各多工器MUX1~MUXN並選擇其所接收的原始顯示資料信號DIN1~DINN以及原始觸控信號TS1~TSN的其中之一經由通道LD1~LDN來輸出至對應的解多工器DEMUX1~DEMUXN的輸入端。以多工器MUX1為範例，多工器MUX1選擇原始顯示資料信號DIN1或原始觸控信號TS1以作為選中信號，並由通道LD1輸出至對應的解多工器DEMUX1的輸入端。上述多工器輸入端的原始顯示資料信號、解多工器輸出端的顯示資料信號以及在通道上傳輸的中間顯示資料信號係有相互關連性，但因經過各元件的調變而有振幅、頻率等的大小差異。同樣地，多工器輸入端的原始觸控信號、解多工器輸出端的觸控信號以及在通道上傳輸的中間觸控信號係有相互關連性，但因經過各元件的調變而有振幅、頻率等的大小差異。On the other hand, the demultiplexers DEMUX1 to DEMUXN respectively correspond to the multiplexers MUX1 to MUXN in the drive integrated circuit 120. The input terminals of the demultiplexer DEMUX1~DEMUXN are electrically connected to the output terminals of the multiplexers MUX1~MUXN through the channels (LEAD) LD1~LDN, respectively. In addition, the input ends of the multiplexers MUX1~MUXN respectively receive the original display data signals DIN1~DINN and the original touch signals TS1~TSN, and the multiplexers MUX1~MUXN select the original display data signals DIN1~DINN and the received One of the original touch signals TS1~TSN is output to the input terminals of the corresponding demultiplexer DEMUX1~DEMUXN via the channels LD1~LDN. Taking the multiplexer MUX1 as an example, the multiplexer MUX1 selects the original display data signal DIN1 or the original touch signal TS1 as the selected signal, and outputs it to the input terminal of the corresponding demultiplexer DEMUX1 by the channel LD1. The original display data signal at the input end of the multiplexer, the display data signal at the output of the multiplexer, and the intermediate display data signal transmitted on the channel are related to each other, but have amplitude, frequency, etc. due to modulation of each component. The difference in size. Similarly, the original touch signal at the input end of the multiplexer, the touch signal at the output of the multiplexer, and the intermediate touch signal transmitted on the channel are related to each other, but have amplitude due to modulation of each component. The difference in size, etc.

進一步來說明，多工器MUX1~MUXN與解多工器DEMUX1~DEMUXN的動作是有一定的對應關係的，同樣以多工器MUX1以及解多工器DEMUX1為範例，當多工器MUX1選擇原始觸控信號TS1為選中信號時，對應的解多工器DEMUX1會傳送與選中信號的原始觸控信號TS1相關的觸控信號至觸控資料傳輸線TS1。相對的，當多工器MUX1選擇原始顯示資料信號DIN1為選中信號時，對應的解多工器DEMUX1會傳送與選中信號的原始顯示資料信號DIN1相關的顯示資料信號至顯示資料傳輸線D11~D13的其中之一。於其他實施例中，當多工器MUX1選擇原始觸控信號TS1為選中信號時，對應的解多工器DEMUX1會同時傳送與選中信號的原始觸控信號TS1相關的觸控信號至觸控資料傳輸線TS1以及資料傳輸線D11~D13，以降低負載。Further, the multiplexer MUX1~MUXN has a certain correspondence with the action of the demultiplexer DEMUX1~DEMUXN, and the multiplexer MUX1 and the demultiplexer DEMUX1 are taken as an example, when the multiplexer MUX1 selects the original When the touch signal TS1 is the selected signal, the corresponding demultiplexer DEMUX1 transmits the touch signal related to the original touch signal TS1 of the selected signal to the touch data transmission line TS1. In contrast, when the multiplexer MUX1 selects the original display data signal DIN1 as the selected signal, the corresponding demultiplexer DEMUX1 transmits the display data signal related to the original display data signal DIN1 of the selected signal to the display data transmission line D11~ One of the D13. In other embodiments, when the multiplexer MUX1 selects the original touch signal TS1 as the selected signal, the corresponding demultiplexer DEMUX1 simultaneously transmits the touch signal to the touch of the original touch signal TS1 of the selected signal. Control the data transmission line TS1 and the data transmission line D11~D13 to reduce the load.

在動作細解方面，當觸控顯示器100執行觸控及顯示動作時，觸控顯示器100可進入顯示時間區間，並在顯示時間區間中，多工器MUX1~MUXN分別選擇顯示原始資料信號DIN1~DINN作為選中信號，並分別將與選中信號相關的中間顯示資料信號由通道LD1~LDN傳送至分別對應的解多工器DEMUX1~DEMUXN的輸入端，之後解多工器DEMUX1~DEMUXN的輸出端將顯示資料信號傳送至顯示資料傳輸線D11~DN3。值得一提的，顯示時間區間還可以分成多個子時間區間，其中，在第一個子時間區間中，解多工器DEMUX1~DEMUXN可以將與選中信號相關的顯示資料信號分別傳送至第一群顯示資料傳輸線D11~DN1及其顯示畫素行，接著，在第二個子時間區間中，解多工器DEMUX1~DEMUXN可以將與選中信號相關的顯示資料信號分別傳送至第二群顯示資料傳輸線D12~DN2及其顯示畫素行，並且，在第三個子時間區間中，解多工器DEMUX1~DEMUXN可以將與選中信號相關的顯示資料信號分別傳送至第三群顯示資料傳輸線D13~DN3及其顯示畫素行。若該觸控顯示面板110之觸控顯示區域111具有m行顯示畫素（m為包括0及正整數之集合），則該第一群顯示資料傳輸線D11~DN1連接第(m/3)+1顯示畫素行，該第二群顯示資料傳輸線D12~DN2連接第(m/3)+2顯示畫素行，該第三群顯示資料傳輸線D13~DN3連接第m/3顯示畫素行。該(m/3)+1顯示畫素行、第(m/3)+2顯示畫素行以及第m/3顯示畫素行可分別對應紅色（R）、綠色（G）或藍色（B）彩色濾光片，或是該(m/3)+1顯示畫素行、第(m/3)+2顯示畫素行以及第m/3顯示畫素行分別為紅色（R）、綠色（G）或藍色（B）發光單元，例如是有機或無機發光二極體元件。In the aspect of the action, when the touch display 100 performs the touch and display actions, the touch display 100 can enter the display time interval, and in the display time interval, the multiplexers MUX1~MUXN respectively select and display the original data signal DIN1~ DINN is selected as the selected signal, and the intermediate display data signals related to the selected signals are respectively transmitted from the channels LD1~LDN to the input terminals of the corresponding demultiplexers DEMUX1~DEMUXN, and then the outputs of the multiplexers DEMUX1~DEMUXN are solved. The terminal transmits the display data signal to the display data transmission lines D11~DN3. It is worth mentioning that the display time interval can also be divided into a plurality of sub-time intervals, wherein in the first sub-time interval, the demultiplexer DEMUX1~DEMUXN can respectively transmit the display data signals related to the selected signal to the first time. The group displays the data transmission line D11~DN1 and its display pixel line. Then, in the second sub-time interval, the demultiplexer DEMUX1~DEMUXN can respectively transmit the display data signals related to the selected signal to the second group display data transmission line. D12~DN2 and its display pixel line, and in the third sub-time interval, the demultiplexer DEMUX1~DEMUXN can transmit the display data signals related to the selected signal to the third group display data transmission line D13~DN3 and It shows the pixel line. If the touch display area 111 of the touch display panel 110 has m rows of display pixels (m is a set including 0 and a positive integer), the first group display data transmission line D11~DN1 is connected to the (m/3)+ 1 Display a pixel row, the second group display data transmission line D12~DN2 is connected to the (m/3)+2 display pixel row, and the third group display data transmission line D13~DN3 is connected to the m/3 display pixel row. The (m/3)+1 display pixel row, the (m/3)+2 display pixel row, and the m/3 display pixel row may correspond to red (R), green (G), or blue (B) colors, respectively. The filter, or the (m/3)+1 display pixel row, the (m/3)+2 display pixel row, and the m/3 display pixel row are red (R), green (G), or blue, respectively. The color (B) light-emitting unit is, for example, an organic or inorganic light-emitting diode element.

在顯示時間區間結束後，觸控顯示器100可進入觸控偵測時間區間。在觸控偵測時間區間中，多工器MUX1~MUXN分別選擇原始觸控信號TS1~TSN為選中信號，並分別將與選中信號相關的中間觸控信號由通道LD1~LDN傳送至對應的解多工器DEMUX1~DEMUXN的輸入端，之後解多工器DEMUX1~DEMUXN的輸出端將觸控信號傳送至觸控傳輸線T11~TN3。其中，顯示時間區間與觸控偵測時間區間不相重疊。After the display time interval ends, the touch display 100 can enter the touch detection time interval. In the touch detection time interval, the multiplexers MUX1~MUXN respectively select the original touch signals TS1~TSN as the selected signals, and respectively transmit the intermediate touch signals related to the selected signals by the channels LD1~LDN to corresponding The input end of the DEMUX1~DEMUXN of the multiplexer is demultiplexed, and then the output of the multiplexer DEMUX1~DEMUXN is transmitted to the touch transmission line T11~TN3. The display time interval does not overlap with the touch detection time interval.

由上述的說明可以得知，本發明實施例的觸控顯示器100中，透過在驅動積體電路120中配置多工器MUX1~MUXN，使原始觸控信號TS1~TSN可以分別與原始顯示資料信號DIN1~DINN在驅動積體電路120內部進行整合，並在適當的時間區間傳輸觸控信號或顯示資料信號至觸控顯示面板110以執行畫面顯示或是觸控偵測的動作。如此一來，驅動積體電路120不需要提供多餘的通道（引腳）來傳送觸控信號TS1~TSN，且驅動積體電路120與觸控顯示面板110間的傳輸線、接觸墊（bonding pad）等的元件數量也不會增加，因此，驅動積體電路120的尺寸及觸控顯示面板110的週邊區112的尺寸可有效的得到控制。As can be seen from the above description, in the touch display device 100 of the embodiment of the present invention, the multiplexers MUX1 to MUXN are arranged in the driving integrated circuit 120, so that the original touch signals TS1~TSN can respectively display the original data signals. The DIN1~DINN is integrated in the driving integrated circuit 120, and transmits a touch signal or a display data signal to the touch display panel 110 in an appropriate time interval to perform a screen display or a touch detection action. Therefore, the driving integrated circuit 120 does not need to provide redundant channels (pins) to transmit the touch signals TS1~TSN, and drives the transmission line and the bonding pad between the integrated circuit 120 and the touch display panel 110. The number of components, etc., does not increase, and therefore, the size of the driving integrated circuit 120 and the size of the peripheral region 112 of the touch display panel 110 can be effectively controlled.

附帶一提的，在本實施例中，觸控顯示面板110可以為外嵌式（on-cell）觸控顯示面板或也可以是內嵌式（in-cell）觸控顯示面板。而解多工器DEMUX1~DEMUXN可以配置在觸控顯示面板110的背板上，且解多工器DEMUX1~DEMUXN可與薄膜電晶體（thin film transistor，TFT）共用相同製作程序，該些薄膜電晶體之主動層可以是低溫多晶矽（low temperature poly-silicon，LTPS）、金屬氧化物半導體（metal oxide semiconductor，如IGZO）或是非晶矽（amorphous silicon，a-Si）。In addition, in this embodiment, the touch display panel 110 can be an on-cell touch display panel or an in-cell touch display panel. The demultiplexer DEMUX1~DEMUXN can be disposed on the back panel of the touch display panel 110, and the demultiplexer DEMUX1~DEMUXN can share the same manufacturing procedure with the thin film transistor (TFT). The active layer of the crystal may be low temperature poly-silicon (LTPS), metal oxide semiconductor (such as IGZO) or amorphous silicon (a-Si).

以下請參照圖2，圖2繪示本發明另一實施例的觸控顯示器的示意圖。在觸控顯示器200中包括解多工器DEMUX1~DEMUXN，解多工器DEMUX1~DEMUXN可位於觸控顯示器200的觸控顯示面板的週邊區域上，亦可整合於驅動積體電路220內部。以解多工器DEMUX1為範例，解多工器DEMUX1的輸出端分別電性連接至顯示資料傳輸線D11、D12、D13以及觸控資料傳輸線T11。顯示資料傳輸線D11、D12、D13分別電性連接至觸控顯示區域211中的多個顯示畫素DP1~DP3，其中顯示畫素DP1~DPN可分別顯示相同或不同灰階，或是不同顏色的影像。而觸控資料傳輸線T11則電性連接至觸控顯示面板中的觸控偵測單元。於本實施例中，觸控偵測單元可與顯示畫素DP1~DP3之共用電極（common electrode）共用，而於其他實施例中，觸控偵測單元可為各自獨立的圖案化電極單元。在本實施例中，解多工器DEMUX1包括開關元件SW1~SW4，其中，開關元件SW1~SW4的一端共同經由通道LD1電性連接至驅動積體電路220，開關元件SW1~SW4的另一端分別電性連接至顯示資料傳輸線D11、D12、D13以及觸控資料傳輸線T11。Please refer to FIG. 2 . FIG. 2 is a schematic diagram of a touch display according to another embodiment of the present invention. The multiplexer DEMUX1~DEMUXN may be disposed on the peripheral area of the touch display panel of the touch display 200 or integrated in the driving integrated circuit 220. Taking the multiplexer DEMUX1 as an example, the output ends of the multiplexer DEMUX1 are electrically connected to the display data transmission lines D11, D12, D13 and the touch data transmission line T11, respectively. The display data transmission lines D11, D12, and D13 are electrically connected to the plurality of display pixels DP1 to DP3 in the touch display area 211, wherein the display pixels DP1 to DPN can respectively display the same or different gray levels or different colors. image. The touch data transmission line T11 is electrically connected to the touch detection unit in the touch display panel. In this embodiment, the touch detection unit can be shared with the common electrodes of the display pixels DP1 to DP3. In other embodiments, the touch detection units can be independent patterned electrode units. In this embodiment, the demultiplexer DEMUX1 includes switching elements SW1 to SW4, wherein one ends of the switching elements SW1 to SW4 are electrically connected to the driving integrated circuit 220 via the channel LD1, and the other ends of the switching elements SW1 to SW4 are respectively Electrically connected to the display data transmission lines D11, D12, D13 and the touch data transmission line T11.

驅動積體電路220具有多個通道LD1~LDN，通道LD1~LDN分別電性連接至解多工器DEMUX1~DEMUXN的輸入端。另外，驅動積體電路220中包括多工器MUX1~MUXN，多工器MUX1~MUXN的輸出端分別電性連接至通道LD1~LDN。各多工器MUX1~MUXN可以為多選一的選擇器，以多工器MUX1為範例，多工器MUX1選擇原始顯示資料信號DIN1或原始觸控信號TS1為選中信號，並將與選中信號相關的中間顯示資料信號或中間觸控信號透過通道LD1傳送至解多工器DEMUX1的輸入端。The driving integrated circuit 220 has a plurality of channels LD1 LDLDN, and the channels LD1 LD LDN are electrically connected to the input ends of the demultiplexers DEMUX1 DMEMUXN, respectively. In addition, the driver integrated circuit 220 includes multiplexers MUX1~MUXN, and the outputs of the multiplexers MUX1~MUXN are electrically connected to the channels LD1~LDN, respectively. Each multiplexer MUX1~MUXN can be a multi-selector selector. Taking the multiplexer MUX1 as an example, the multiplexer MUX1 selects the original display data signal DIN1 or the original touch signal TS1 as the selected signal, and will select The signal-related intermediate display data signal or intermediate touch signal is transmitted through the channel LD1 to the input of the demultiplexer DEMUX1.

關於解多工器DEMUX1~DEMUXN與多工器MUX1~MUXN的動作細節，請參照圖3A~圖3E繪示的本發明實施例的解多工器DEMUX1及多工器MUX1的動作方式的示意圖。其中，在圖3A~圖3E的實施範例中，解多工器DEMUX1由開關元件SW1~SW4所構成。多工器MUX1則由開關元件SWA1及SWA2所構成。開關元件SWA1及SWA2的第一端共同電性連接至對應的解多工器DEMUX1的輸入端並提供與選中信號相關的中間顯示資料信號或中間觸控信號，開關元件SWA1及SWA2的第二端分別接收原始顯示資料信號DIN1以及原始觸控信號TS1。For details of the operation of the multiplexer DEMUX1~DEMUXN and the multiplexer MUX1~MUXN, please refer to the schematic diagrams of the operation modes of the multiplexer DEMUX1 and the multiplexer MUX1 according to the embodiment of the present invention. Among them, in the embodiment of FIGS. 3A to 3E, the demultiplexer DEMUX1 is composed of the switching elements SW1 to SW4. The multiplexer MUX1 is composed of switching elements SWA1 and SWA2. The first ends of the switching elements SWA1 and SWA2 are electrically connected to the input end of the corresponding demultiplexer DEMUX1 and provide an intermediate display data signal or an intermediate touch signal related to the selected signal, and the second of the switching elements SWA1 and SWA2 The terminal receives the original display data signal DIN1 and the original touch signal TS1, respectively.

關於動作細節，在圖3A中，在顯示時間區間中，開關元件SWA1被導通（turn on）且開關SWA2被不導通（turn off），多工器MUX1選擇原始顯示資料信號DIN1為選中信號並由通道LD1將與原始顯示資料信號DIN1相關的中間顯示資料信號傳送至解多工器DEMUX1的輸入端。在顯示時間區間的第一子顯示時間區間中，開關元件SW1被導通而開關元件SW2~SW4均被不導通。因此，解多工器DEMUX1傳送與原始顯示資料信號DIN1及中間顯示資料信號相關的顯示資料信號至顯示資料傳輸線D11。透過顯示資料傳輸線D11，顯示資料信號可被傳送至顯示畫素DP1。Regarding the action details, in FIG. 3A, in the display time interval, the switching element SWA1 is turned on and the switch SWA2 is turned off, and the multiplexer MUX1 selects the original display data signal DIN1 as the selected signal and The intermediate display profile signal associated with the original display profile signal DIN1 is transmitted by the channel LD1 to the input of the demultiplexer DEMUX1. In the first sub-display time interval of the display time interval, the switching element SW1 is turned on and the switching elements SW2 to SW4 are turned off. Therefore, the demultiplexer DEMUX1 transmits a display material signal associated with the original display material signal DIN1 and the intermediate display material signal to the display material transmission line D11. By displaying the data transmission line D11, the display material signal can be transmitted to the display pixel DP1.

接著，在圖3B中，在顯示時間區間的第二子顯示時間區間中，開關元件SW1、SW3、SW4被不導通，而開關元件SW2被導通，此時，解多工器DEMUX1傳送與原始顯示資料信號DIN1相關的顯示資料信號至顯示資料傳輸線D12。透過顯示資料傳輸線D12，顯示資料信號可被傳送至顯示畫素DP2。Next, in FIG. 3B, in the second sub-display time interval of the display time interval, the switching elements SW1, SW3, and SW4 are turned off, and the switching element SW2 is turned on. At this time, the demultiplexer DEMUX1 transmits and the original display. The display data signal related to the data signal DIN1 is displayed to the display data transmission line D12. By displaying the data transmission line D12, the display material signal can be transmitted to the display pixel DP2.

再者，在圖3C中，在顯示時間區間的第三子顯示時間區間中，開關元件SW1、SW2、SW4被不導通，而開關元件SW3被導通，此時，解多工器DEMUX1傳送與原始顯示資料信號DIN1相關的顯示資料信號至顯示資料傳輸線D13。透過顯示資料傳輸線D13，顯示資料信號可被傳送至顯示畫素DP3。Furthermore, in FIG. 3C, in the third sub-display time interval of the display time interval, the switching elements SW1, SW2, and SW4 are turned off, and the switching element SW3 is turned on. At this time, the demultiplexer DEMUX1 is transmitted and original. The display data signal related to the data signal DIN1 is displayed to the display data transmission line D13. By displaying the data transmission line D13, the display material signal can be transmitted to the display pixel DP3.

在圖3D中，顯示時間區間結束並進入觸控偵測時間區間。在此時，開關元件SWA2被導通且開關SWA1被不導通，多工器MUX1選擇原始觸控信號TS1為選中信號並將與觸控信號TS1相關的中間觸控信號由通道LD1傳送至解多工器DEMUX1的輸入端。而在解多工器DEMUX1中，開關元件SW1~SW3被不導通，開關元件SW4則被導通。因此，與原始觸控信號TS1及中間觸控信號相關的觸控信號被傳送至觸控資料傳輸線T11。觸控信號並可透過觸控資料傳輸線T11被傳送至觸控偵測單元。In FIG. 3D, the display time interval ends and enters the touch detection time interval. At this time, the switching element SWA2 is turned on and the switch SWA1 is turned off, and the multiplexer MUX1 selects the original touch signal TS1 as the selected signal and transmits the intermediate touch signal related to the touch signal TS1 from the channel LD1 to the solution. The input of the tool DEMUX1. In the demultiplexer DEMUX1, the switching elements SW1 to SW3 are not turned on, and the switching element SW4 is turned on. Therefore, the touch signals related to the original touch signal TS1 and the intermediate touch signal are transmitted to the touch data transmission line T11. The touch signal can be transmitted to the touch detection unit through the touch data transmission line T11.

此外，為了減低訊號傳輸之負載（loading），亦可在觸控偵測時間區間使用另一驅動方式，圖3E中，多工器MUX1選擇原始觸控信號TS1為選中信號並將與原始觸控信號TS1相關的中間觸控信號傳送至解多工器DEMUX1的輸入端，解多工器DEMUX1之開關元件SW1~SW4皆被導通，觸控信號由觸控資料傳輸線T11傳送至觸控偵測單元以及顯示畫素DP1~DP3。In addition, in order to reduce the load of the signal transmission, another driving mode can be used in the touch detection time interval. In FIG. 3E, the multiplexer MUX1 selects the original touch signal TS1 as the selected signal and will be touched with the original. The intermediate touch signal related to the control signal TS1 is transmitted to the input end of the demultiplexer DEMUX1, and the switching elements SW1~SW4 of the demultiplexer DEMUX1 are all turned on, and the touch signal is transmitted from the touch data transmission line T11 to the touch detection. Unit and display pixels DP1~DP3.

值得一提的，在圖3A~圖3E中，觸控資料傳輸線T11可以與顯示資料傳輸線D11~D13被配置在不同層次中，如此一來，可降低觸控資料傳輸線T11和顯示資料傳輸線D11~D13中的任一相互短路的風險。此外，顯示畫素DP1~DPN可顯示多種不同的灰階及顏色的影像。It is worth mentioning that in FIG. 3A to FIG. 3E, the touch data transmission line T11 and the display data transmission lines D11 to D13 can be arranged in different levels, so that the touch data transmission line T11 and the display data transmission line D11 can be reduced. The risk of any short circuit in D13. In addition, the display pixels DP1~DPN can display images of different grayscales and colors.

此外，開關元件SW1~SW4可以應用薄膜電晶體來建構，而開關元件SWA1及SWA2則可以應用積體電路中的半導體元件來建構，例如電晶體開關。而解多工器DEMUX1中配置四個開關元件SW1~SW4的數量僅只是一個範例，解多工器DEMUX1中配置的開關元件的數量可以依據需求來設置，沒有固定的限制。Further, the switching elements SW1 to SW4 may be constructed using a thin film transistor, and the switching elements SWA1 and SWA2 may be constructed using a semiconductor element in an integrated circuit, such as a transistor switch. The number of four switching elements SW1~SW4 in the demultiplexer DEMUX1 is only an example. The number of switching elements configured in the demultiplexer DEMUX1 can be set according to requirements, and there is no fixed limit.

以下請參照圖4，圖4繪示本發明再一實施例的觸控顯示器的示意圖。觸控顯示器400包括觸控顯示面板410、解多工器DEMUX1~DEMUXM以及驅動積體電路420。驅動積體電路420 包括多工器MUX1~MUXN，並具有多個通道LD1~LDM。Please refer to FIG. 4 , which is a schematic diagram of a touch display according to still another embodiment of the present invention. The touch display 400 includes a touch display panel 410, demultiplexers DEMUX1 DEDEMUXM, and a driving integrated circuit 420. The driving integrated circuit 420 includes multiplexers MUX1 to MUXN and has a plurality of channels LD1 to LDM.

各通道LD1~LDM可電性連接至多工器MUX1~MUXN的其中之一的輸出端或也可直接接收原始顯示資料信號（例如顯示資料信號DIN2）的信號來源。Each channel LD1~LDM can be electrically connected to the output of one of the multiplexers MUX1~MUXN or can also directly receive the signal source of the original display data signal (for example, the display data signal DIN2).

在本實施例中，多工器MUX1~MUXN的數量可少於解多工器 DEMUX1~DEMUXM的數量，，即M的數目大於N的數目，且多工器MUX1~MUXN與解多工器DEMUX1~DEMUXM也並非一對一相對應的。另外，並非所有的解多工器DEMUX1~DEMUXM內部結構都是相同的。其中，與多工器MUX1~MUXN的其中之一相對應的解多工器（例如DEMUX1）具有四個開關元件，除了連接顯示資料傳輸線（例如D11~D13等）之外並可電性連接至觸控資料傳輸線T11或TN2。而未對應至多工器MUX1~MUXN的解多工器（例如DEMUX2）具有三個開關元件，並不電性連接至觸控資料傳輸線T11或TN1等，而是僅連接至顯示資料傳輸線（例如D11~D13等）。In this embodiment, the number of multiplexers MUX1~MUXN may be less than the number of demultiplexers DEMUX1~DEMUXM, that is, the number of M is greater than the number of N, and the multiplexer MUX1~MUXN and the demultiplexer DEMUX1 ~DEMUXM is not a one-to-one correspondence. In addition, not all demultiplexers DEMUX1~DEMUXM have the same internal structure. The demultiplexer (for example, DEMUX1) corresponding to one of the multiplexers MUX1 to MUXN has four switching elements, and is electrically connected to the display data transmission line (for example, D11 to D13, etc.). Touch data transmission line T11 or TN2. The demultiplexer (for example, DEMUX2) that does not correspond to the multiplexer MUX1~MUXN has three switching elements, and is not electrically connected to the touch data transmission line T11 or TN1, etc., but only to the display data transmission line (for example, D11). ~D13, etc.).

當觸控顯示面板中的顯示畫素DP1~DP3的數量遠大於觸控偵測單元的數量時，觸控顯示面板410中的觸控資料傳輸線T11或TN1等的數量也會遠低於顯示資料傳輸線的數量。因此，驅動積體電路420中的多工器MUX1~MUXN的數量可以依據實際所需的觸控資料傳輸線T11或TN1等的數量來進行配置，並不需要針對每一個輸出通道LD1~LDM都配置對應的多工器。當然，相對應的，解多工器DEMUX1~DEMUXM的內部結構也可以對應多工器MUX1~MUXN的設置狀況來進行調整。When the number of display pixels DP1~DP3 in the touch display panel is much larger than the number of touch detection units, the number of touch data transmission lines T11 or TN1 in the touch display panel 410 is also much lower than the display data. The number of transmission lines. Therefore, the number of the multiplexers MUX1 to MUXN in the driving integrated circuit 420 can be configured according to the actual number of touch data transmission lines T11 or TN1, etc., and does not need to be configured for each of the output channels LD1 to LDM. Corresponding multiplexer. Of course, correspondingly, the internal structure of the demultiplexer DEMUX1~DEMUXM can also be adjusted according to the setting status of the multiplexer MUX1~MUXN.

以下請參照圖5，圖5繪示本發明實施例的觸控偵測單元的配置示意圖。其中，觸控顯示面板中可配置多個觸控偵測單元TDU1~TDU6。觸控資料傳輸線T11~T16可分別電性連接至觸控偵測單元TDU1~TDU6。其中，觸控資料傳輸線T11~T16可以分別透過多個接觸貫孔（contact holes）CH1~CH6來分別電性連接至觸控偵測單元TDU1~TDU6。Please refer to FIG. 5 , which is a schematic diagram of a configuration of a touch detection unit according to an embodiment of the invention. The touch display panel can be configured with multiple touch detection units TDU1~TDU6. The touch data transmission lines T11~T16 can be electrically connected to the touch detection units TDU1~TDU6, respectively. The touch data transmission lines T11~T16 can be respectively electrically connected to the touch detection units TDU1~TDU6 through a plurality of contact holes CH1~CH6.

綜上所述，本發明透過在驅動積體電路中設置多個多工器，並配合觸控顯示面板中的解多工器的動作，可以有效整合顯示資料信號與觸控信號在驅動積體電路與觸控顯示面板間的信號傳輸動作，並藉以降低驅動積體電路所輸要的信號傳輸通道，以及減小觸控顯示面板上用來容置信號傳輸導線的週邊區域面積，有效降低尺產品的成本。In summary, the present invention can effectively integrate the display data signal and the touch signal in the driving integrated body by providing a plurality of multiplexers in the driving integrated circuit and the action of the demultiplexing multiplexer in the touch display panel. The signal transmission action between the circuit and the touch display panel, thereby reducing the signal transmission channel required to drive the integrated circuit, and reducing the area of the peripheral area of the touch display panel for accommodating the signal transmission wire, thereby effectively reducing the ruler The cost of the product.

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 in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

100、200、400‧‧‧觸控顯示器
110、410‧‧‧觸控顯示面板
DEMUX1~DEMUXN‧‧‧解多工器
120、220、420‧‧‧驅動積體電路
MUX1~MUXN‧‧‧多工器
D11~DN1、D12~DN2、D13~DN3‧‧‧顯示資料傳輸線
T11~T16、T21、TN1‧‧‧觸控資料傳輸線
111‧‧‧觸控顯示區域
112‧‧‧週邊區域
TS1~TSN‧‧‧原始觸控信號
DIN1~DINM‧‧‧原始顯示資料信號
DP1~DPN‧‧‧顯示畫素
SW1~SW4、SWA1、SWA2‧‧‧開關元件
LD1~LDN、LDM‧‧‧通道
TDU1~TDU6‧‧‧觸控偵測單元
CH1~CH6‧‧‧接觸貫孔100, 200, 400‧‧‧ touch display
110, 410‧‧‧ touch display panel
DEMUX1~DEMUXN‧‧‧Demultiplexer
120, 220, 420‧‧‧ drive integrated circuit
MUX1~MUXN‧‧‧Multiplexer
D11~DN1, D12~DN2, D13~DN3‧‧‧ Display data transmission line
T11~T16, T21, TN1‧‧‧ touch data transmission line
111‧‧‧Touch display area
112‧‧‧The surrounding area
TS1~TSN‧‧‧ original touch signal
DIN1~DINM‧‧‧ original display data signal
DP1~DPN‧‧‧ display pixels
SW1~SW4, SWA1, SWA2‧‧‧ Switching components
LD1~LDN, LDM‧‧‧ channel
TDU1~TDU6‧‧‧Touch detection unit
CH1~CH6‧‧‧Contact through hole

圖1繪示本發明一實施例的觸控顯示器的示意圖。 圖2繪示本發明另一實施例的觸控顯示器的示意圖。 圖3A~圖3E繪示本發明實施例的解多工器DEMUX1及多工器MUX1的動作方式的示意圖。 圖4繪示本發明再一實施例的觸控顯示器的示意圖。 圖5繪示本發明實施例的觸控偵測單元的配置示意圖。FIG. 1 is a schematic diagram of a touch display according to an embodiment of the invention. 2 is a schematic diagram of a touch display according to another embodiment of the present invention. 3A-3E are schematic diagrams showing the operation modes of the demultiplexer DEMUX1 and the multiplexer MUX1 according to the embodiment of the present invention. 4 is a schematic diagram of a touch display according to still another embodiment of the present invention. FIG. 5 is a schematic diagram of a configuration of a touch detection unit according to an embodiment of the invention.

100‧‧‧觸控顯示器 100‧‧‧ touch display

110‧‧‧觸控顯示面板 110‧‧‧Touch display panel

DEMUX1~DEMUXN‧‧‧解多工器 DEMUX1~DEMUXN‧‧‧Demultiplexer

120‧‧‧驅動積體電路 120‧‧‧Drive integrated circuit

MUX1~MUXN‧‧‧多工器 MUX1~MUXN‧‧‧Multiplexer

D11~DN1、D12~DN2、D13~DN3‧‧‧顯示資料傳輸線 D11~DN1, D12~DN2, D13~DN3‧‧‧ Display data transmission line

T11、T21、TN1‧‧‧觸控資料傳輸線 T11, T21, TN1‧‧‧ touch data transmission line

111‧‧‧觸控顯示區域 111‧‧‧Touch display area

112‧‧‧週邊區域 112‧‧‧The surrounding area

TS1~TSN‧‧‧原始觸控信號 TS1~TSN‧‧‧ original touch signal

DIN1~DINN‧‧‧原始顯示資料信號 DIN1~DINN‧‧‧ original display data signal

LD1~LDN‧‧‧通道 LD1~LDN‧‧‧ channel

Claims (10)

一觸控顯示器，包括： 一觸控顯示面板，具有複數第一顯示資料傳輸線及一觸控資料傳輸線； 一第一解多工器，該第一解多工器具有複數第一輸出端及一第一輸入端；以及 一驅動積體電路，具有一多工器，該多工器具有一第二輸出端， 其中，該第一解多工器的該些第一輸出端分別電性連接該些第一顯示資料傳輸線及該觸控資料傳輸線，該多工器的該第二輸出端經由一第一通道電性連接該第一解多工器的該第一輸入端。A touch display device includes: a touch display panel having a plurality of first display data transmission lines and a touch data transmission line; a first demultiplexer having a plurality of first output ends and a first demultiplexer a first input end; and a driving integrated circuit having a multiplexer having a second output end, wherein the first output ends of the first demultiplexer are electrically connected to the first output end The first display data transmission line and the touch data transmission line, the second output end of the multiplexer is electrically connected to the first input end of the first demultiplexer via a first channel. 如申請專利範圍第1項所述的觸控顯示器，其中該多工器可選擇一原始第一顯示資料信號或一原始觸控信號為一選中信號，當在一顯示時間區間時，該多工器選擇該原始第一顯示資料信號為該選中信號，該第一解多工器傳送與該原始第一顯示資料信號相關的一第一顯示資料信號至該些第一顯示資料傳輸線的其中之一，當在一觸控偵測時間區間時，該多工器選擇該原始觸控信號為該選中信號，該第一解多工器傳送與該原始觸控信號相關的一觸控信號至該觸控資料傳輸線。The touch display device of claim 1, wherein the multiplexer can select an original first display data signal or an original touch signal as a selected signal, when in a display time interval, the plurality Selecting, by the tool, the original first display data signal as the selected signal, the first demultiplexer transmitting a first display data signal associated with the original first display data signal to the first display data transmission line In one touch detection time interval, the multiplexer selects the original touch signal as the selected signal, and the first demultiplexer transmits a touch signal related to the original touch signal. To the touch data transmission line. 如申請專利範圍第2項所述的觸控顯示器，其中，當在該觸控偵測時間區間時，該多工器選擇該原始觸控信號為該選中信號，該第一解多工器傳送與該原始觸控信號相關的該觸控信號至該觸控資料傳輸線及該些第一顯示資料傳輸線。The touch display device of claim 2, wherein the multiplexer selects the original touch signal as the selected signal during the touch detection time interval, the first solution multiplexer Transmitting the touch signal associated with the original touch signal to the touch data transmission line and the first display data transmission lines. 如申請專利範圍第2項所述的觸控顯示器，其中該顯示時間區間與該觸控偵測時間區間不相重疊。The touch display device of claim 2, wherein the display time interval does not overlap with the touch detection time interval. 如申請專利範圍第1項所述的觸控顯示器，其中該第一解多工器包括：     複數第一開關元件，該些第一開關元件的一第一端電性連接至該第一解多工器的該第一輸入端，該些開關元件的一第二端由該些第一輸出端電性連接至該些第一顯示資料傳輸線及該觸控資料傳輸線。The touch display of claim 1, wherein the first demultiplexer comprises: a plurality of first switching elements, wherein a first end of the first switching elements is electrically connected to the first solution The first input end of the device is electrically connected to the first display data transmission line and the touch data transmission line by the first output terminals. 如申請專利範圍第5項所述的觸控顯示器，其中當在該顯示時間區間時，電性連接該些第一顯示資料傳輸線的該些第一開關元件分別導通，而電性連接該觸控資料傳輸線的該第一開關元件不導通，當在該觸控偵測時間區間時，連接該些第一顯示資料傳輸線的該些第一開關元件不導通，而連接該觸控資料傳輸線的該第一開關元件導通。The touch display of claim 5, wherein, in the display time interval, the first switching elements electrically connected to the first display data transmission lines are respectively turned on, and the touch is electrically connected The first switching element of the data transmission line is not turned on. When the touch detection time interval is reached, the first switching elements connected to the first display data transmission lines are not turned on, and the first connection of the touch data transmission line is connected. A switching element is turned on. 如申請專利範圍第5項所述的觸控顯示器，其中當在該顯示時間區間時，電性連接該些第一顯示資料傳輸線的該些第一開關元件分別導通，而電性連接該觸控資料傳輸線的該第一開關元件不導通，在當該觸控偵測時間區間時，該些第一開關元件皆導通。The touch display of claim 5, wherein, in the display time interval, the first switching elements electrically connected to the first display data transmission lines are respectively turned on, and the touch is electrically connected The first switching element of the data transmission line is not turned on, and the first switching elements are all turned on during the touch detection time interval. 如申請專利範圍第1項所述的觸控顯示器，其中該多工器包括：     一第二開關元件，可接收該原始第一顯示資料信號；以及     一第三開關元件，可接收該原始觸控信號。The touch display of claim 1, wherein the multiplexer comprises: a second switching element that can receive the original first display data signal; and a third switching element that can receive the original touch signal. 如申請專利範圍第1項所述的觸控顯示器，更包括一第二解多工器，該第二解多工器具有複數第三輸出端及一第三輸入端，     其中，該第二解多工器的該些第三輸出端分別電性連接至複數第二顯示資料傳輸線，該驅動積體電路經由一第二通道連接該第二解多工器的該第三輸入端。The touch display device of claim 1, further comprising a second demultiplexer having a plurality of third output ends and a third input end, wherein the second solution The third output ends of the multiplexer are respectively electrically connected to the plurality of second display data transmission lines, and the driving integrated circuit is connected to the third input end of the second demultiplexer via a second channel. 如申請專利範圍第9項所述的觸控顯示器，其中該些第一顯示資料線及該些第二顯示資料線分別電性連接該觸控顯示面板上的複數顯示畫素，該觸控資料傳輸線電性連接該觸控顯示面板中的一觸控偵測單元。The touch display device of claim 9, wherein the first display data lines and the second display data lines are electrically connected to the plurality of display pixels on the touch display panel, respectively. The transmission line is electrically connected to a touch detection unit in the touch display panel.
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