TW201638740A - In-cell touch display panel - Google Patents
In-cell touch display panel Download PDFInfo
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- TW201638740A TW201638740A TW104113511A TW104113511A TW201638740A TW 201638740 A TW201638740 A TW 201638740A TW 104113511 A TW104113511 A TW 104113511A TW 104113511 A TW104113511 A TW 104113511A TW 201638740 A TW201638740 A TW 201638740A
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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
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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
- G02F1/133345—Insulating layers
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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
- G02F1/1343—Electrodes
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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
- G02F1/136—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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
本發明是有關於一種顯示面板，且特別是有關於一種內嵌式觸控顯示面板。 The present invention relates to a display panel, and more particularly to an in-cell touch display panel.
現行的高畫質(Full High Definition，簡稱FHD)內嵌式觸控顯示面板是在畫素電極與共用電極之間***金屬導線，以作為觸控感測線(TP sensor line)的導線，其串接每一個子畫素(Sub-Pixel)內的共用電極以成為觸控感測器，並且由驅動晶片訊號來切換液晶螢幕與觸控螢幕之間的連續運作。 The current high-definition (FHD) in-cell touch display panel is a wire inserted between a pixel electrode and a common electrode as a wire of a TP sensor line. The common electrode in each sub-Pixel is connected to become a touch sensor, and the continuous operation between the liquid crystal screen and the touch screen is switched by driving the chip signal.
然而，目前一般的自容式觸控面板雖具有結構簡單的優點，但將此結構整合於高解析度的內嵌式觸控顯示面板時，會出現外接腳位(pin)數目過多的問題，而與液晶螢幕本身的扇出(fan-out)線路互搶外引腳(Outer Lead Bonding，簡稱OLB)的空間。此外，連接內嵌式觸控顯示面板的子畫素內共用電極的金屬導線與資料線(data line)走線方向平行，因而造成其之間重疊面積過大，從而增加電容負載。 However, although the conventional self-capacitive touch panel has the advantages of simple structure, when the structure is integrated into the high-resolution in-cell touch display panel, the number of external pins may be excessive. And the fan-out line of the LCD screen itself grabs the space of the Outer Lead Bonding (OLB). In addition, the metal wires connecting the common electrodes in the sub-pixels of the in-cell touch display panel are parallel to the data line direction, thereby causing an excessive overlap area, thereby increasing the capacitive load.
本發明提供一種內嵌式觸控顯示面板，其具有分別位於不同的相鄰兩行畫素區之間的資料線、信號線以及感測信號線，且各資料線、各信號線以及各第一感測信號線於垂直投影方向上未重疊。 The present invention provides an in-cell touch display panel having data lines, signal lines, and sensing signal lines respectively located between different adjacent two rows of pixel regions, and each data line, each signal line, and each A sense signal line does not overlap in the vertical projection direction.
本發明提出一種內嵌式觸控顯示面板，具有顯示區域及周圍區域，且顯示區域包括陣列排列的多個畫素區，內嵌式觸控顯示面板包括多個主動元件、多條資料線、多條閘極線、多條信號線、第一絕緣層、多個第一電極、第二絕緣層、多條第一感測信號線、第三絕緣層以及多個第二電極。主要元件分別位於相應的畫素區內。資料線自顯示區域延伸至週邊區域，且分別電性連接至相應的主動元件。閘極線位於顯示區域且垂直資料線，閘極線分別電性連接至相應的主動元件。信號線自顯示區域延伸至週邊區域，且各信號線延伸方向平行於各資料線的延伸方向。第一絕緣層配置於顯示區域與週邊區域，且第一絕緣層覆蓋主動元件、資料線、閘極線以及信號線。第一電極配置於第一絕緣層上。第二絕緣層配置於第一絕緣層上，並且覆蓋第一電極。第一感測信號線配置於第二絕緣層上，且第一感測信號線自顯示區域延伸至週邊區域。各第一感測信號線的延伸方向平行於各資料線的延伸方向。第三絕緣層配置於第二絕緣層上，並且覆蓋第一信號感測線。第二電極配置於第三絕緣層上，並且分別電性連接至相應 的第一感測信號線。各資料線、各信號線以及各第一感測信號線分別位於不同的相鄰兩行畫素區之間，且各資料線、各信號線以及各第一感測信號線於垂直投影方向上未重疊。 The present invention provides an in-cell touch display panel having a display area and a surrounding area, and the display area includes a plurality of pixel areas arranged in an array, and the in-cell touch display panel includes a plurality of active components, a plurality of data lines, a plurality of gate lines, a plurality of signal lines, a first insulating layer, a plurality of first electrodes, a second insulating layer, a plurality of first sensing signal lines, a third insulating layer, and a plurality of second electrodes. The main components are located in the corresponding pixel area. The data lines extend from the display area to the peripheral area and are electrically connected to the respective active components. The gate line is located in the display area and is perpendicular to the data line, and the gate lines are electrically connected to the corresponding active components. The signal line extends from the display area to the peripheral area, and each signal line extends in a direction parallel to the extending direction of each data line. The first insulating layer is disposed on the display area and the peripheral area, and the first insulating layer covers the active component, the data line, the gate line, and the signal line. The first electrode is disposed on the first insulating layer. The second insulating layer is disposed on the first insulating layer and covers the first electrode. The first sensing signal line is disposed on the second insulating layer, and the first sensing signal line extends from the display area to the peripheral area. The extending direction of each of the first sensing signal lines is parallel to the extending direction of each of the data lines. The third insulating layer is disposed on the second insulating layer and covers the first signal sensing line. The second electrode is disposed on the third insulating layer and electrically connected to the corresponding The first sensing signal line. Each of the data lines, each of the signal lines, and each of the first sensing signal lines are respectively located between different adjacent two rows of pixel regions, and each of the data lines, each of the signal lines, and each of the first sensing signal lines are in a vertical projection direction. Not overlapping.
在本發明的一實施例中，上述的第一電極包括多個畫素電極，電性連接至相應的主動元件，且第二電極包括多個共用電極。 In an embodiment of the invention, the first electrode includes a plurality of pixel electrodes electrically connected to the corresponding active elements, and the second electrode includes a plurality of common electrodes.
在本發明的一實施例中，上述的內嵌式觸控顯示面板更包括多條第二感測信號線，自顯示區域延伸至週邊區域。第一絕緣層覆蓋第二感測信號線，第一感測信號線於垂直投影方向上分別與第二感測信號線重疊，且各第一感測信號線電性連接至相應的第二感測信號線。 In an embodiment of the invention, the in-cell touch display panel further includes a plurality of second sensing signal lines extending from the display area to the peripheral area. The first insulating layer overlaps the second sensing signal line, and the first sensing signal line is respectively overlapped with the second sensing signal line, and each of the first sensing signal lines is electrically connected to the corresponding second sensing Signal line.
在本發明的一實施例中，上述的內嵌式觸控顯示面板更包括多條第一連接線，配置於第一絕緣層與第二絕緣層之間，並且分別電性連接至相應的第二感測信號線。多條第二連接線配置於第三絕緣層上，並且分別電性連接於相應的第一感測信號線與第一連接線之間。 In an embodiment of the present invention, the in-cell touch display panel further includes a plurality of first connecting lines disposed between the first insulating layer and the second insulating layer, and electrically connected to the corresponding first Two sensing signal lines. The plurality of second connecting lines are disposed on the third insulating layer, and are electrically connected between the corresponding first sensing signal lines and the first connecting lines, respectively.
在本發明的一實施例中，上述的第一電極包括多個共用電極，且第二電極包括多個畫素電極。 In an embodiment of the invention, the first electrode includes a plurality of common electrodes, and the second electrode includes a plurality of pixel electrodes.
在本發明的一實施例中，上述的內嵌式觸控顯示面板更包括多條連接線。連接線配置於第二絕緣層與第三絕緣層之間，並且分別電性連接於相應的第一感測信號線與第二感測信號線之間。 In an embodiment of the invention, the in-cell touch display panel further includes a plurality of connecting lines. The connecting line is disposed between the second insulating layer and the third insulating layer, and electrically connected between the corresponding first sensing signal line and the second sensing signal line, respectively.
在本發明的一實施例中，上述的信號線包括多個閘極信號線，分別電性連接至對應的閘極線。 In an embodiment of the invention, the signal line includes a plurality of gate signal lines electrically connected to the corresponding gate lines.
在本發明的一實施例中，上述的信號線包括多個浮接信號線。 In an embodiment of the invention, the signal line includes a plurality of floating signal lines.
基於上述，本發明的內嵌式觸控顯示面板的顯示區域包括陣列排列的多個畫素區，並且資料線、信號線以及感測信號線分別位於不同的相鄰兩行畫素區之間，且資料線、信號線以及第一感測信號線於垂直投影方向上未重疊。此外，信號線以及感測信號線的延伸方向平行於資料線的延伸方向。根據上述的內嵌式觸控顯示面板的電路佈局方式，信號線與感測信號線可容置於陣列排列的顯示區域中。因此，內嵌式觸控顯示面板的外接腳位數目可有效減少，從而縮減整體裝置的邊框寬度。 Based on the above, the display area of the in-cell touch display panel of the present invention includes a plurality of pixel areas arranged in an array, and the data lines, the signal lines, and the sensing signal lines are respectively located between different adjacent two rows of pixel areas. And the data line, the signal line, and the first sensing signal line do not overlap in the vertical projection direction. Further, the extending direction of the signal line and the sensing signal line is parallel to the extending direction of the data line. According to the circuit layout manner of the in-cell touch display panel, the signal line and the sensing signal line can be accommodated in the display area of the array arrangement. Therefore, the number of external pins of the in-cell touch display panel can be effectively reduced, thereby reducing the width of the frame of the overall device.
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.
100、200、300、400、500、600‧‧‧內嵌式觸控顯示面版 100, 200, 300, 400, 500, 600‧‧‧Inline touch display panel
170‧‧‧主動元件 170‧‧‧Active components
201-206‧‧‧步驟 201-206‧‧‧Steps
210、310‧‧‧基板 210, 310‧‧‧ substrate
220‧‧‧主動元件 220‧‧‧Active components
230‧‧‧畫素電極 230‧‧‧ pixel electrodes
221‧‧‧源極 221‧‧‧ source
222‧‧‧汲極 222‧‧‧汲polar
223‧‧‧閘極 223‧‧‧ gate
224‧‧‧通道層 224‧‧‧channel layer
240‧‧‧第一開孔 240‧‧‧First opening
241‧‧‧第二開孔 241‧‧‧Second opening
242‧‧‧第三開孔 242‧‧‧ third opening
250‧‧‧第一金屬層 250‧‧‧First metal layer
260‧‧‧第二金屬層 260‧‧‧Second metal layer
270‧‧‧共用電極 270‧‧‧Common electrode
320、420‧‧‧第一電極 320, 420‧‧‧ first electrode
322、442‧‧‧畫素電極 322, 442‧‧‧ pixel electrodes
340、440‧‧‧第二電極 340, 440‧‧‧ second electrode
342、422‧‧‧共用電極 342, 422‧‧ ‧ common electrode
350‧‧‧顯示區域 350‧‧‧Display area
360‧‧‧週邊區域 360‧‧‧ surrounding area
370‧‧‧源極驅動器 370‧‧‧Source Driver
521‧‧‧第一連接線 521‧‧‧First cable
541‧‧‧第二連接線 541‧‧‧second cable
621‧‧‧連接線 621‧‧‧Connecting line
BP1‧‧‧第一絕緣層 BP1‧‧‧first insulation
BP2‧‧‧第二絕緣層 BP2‧‧‧Second insulation
BP3‧‧‧第三絕緣層 BP3‧‧‧ third insulation layer
D1...Dn‧‧‧資料線 D1...Dn‧‧‧ data line
G1...Gn‧‧‧閘極線 G1...Gn‧‧‧ gate line
P1-P9‧‧‧畫素區 P1-P9‧‧‧ pixel area
PL‧‧‧平坦層 PL‧‧‧flat layer
S1-S3‧‧‧源極配線 S1-S3‧‧‧ source wiring
T1、T2‧‧‧走線 T1, T2‧‧‧ trace
TP1...TPn‧‧‧第一感測信號線 TP1...TPn‧‧‧first sensing signal line
TP21...T2n、TP31...T3n‧‧‧第二感測信號線 TP21...T2n, TP31...T3n‧‧‧Second sensing signal line
TGP1...TGPn‧‧‧信號線 TGP1...TGPn‧‧‧ signal line
圖1是本發明一實施例的內嵌式觸控顯示面板的示意圖。 FIG. 1 is a schematic diagram of an in-cell touch display panel according to an embodiment of the invention.
圖2A至圖2F是本發明一實施例的內嵌式觸控顯示面板的製作方法的示意圖。 2A-2F are schematic diagrams showing a method of fabricating an in-cell touch display panel according to an embodiment of the invention.
圖3A、圖3B是本發明另一實施例的內嵌式觸控顯示面板的示意圖。 3A and 3B are schematic views of an in-cell touch display panel according to another embodiment of the present invention.
圖4A、圖4B是本發明另一實施例的內嵌式觸控顯示面板的示意圖。 4A and 4B are schematic views of an in-cell touch display panel according to another embodiment of the present invention.
圖5A、圖5B及圖5C是本發明另一實施例的內嵌式觸控顯示面板的示意圖。 5A, 5B, and 5C are schematic diagrams of an in-cell touch display panel according to another embodiment of the present invention.
圖6A、圖6B及圖6C是本發明另一實施例的內嵌式觸控顯示面板的示意圖。 6A, 6B, and 6C are schematic diagrams of an in-cell touch display panel according to another embodiment of the present invention.
圖1是本發明一實施例的內嵌式觸控顯示面板的示意圖。在本實施例中，內嵌式觸控顯示面板100採用OTSD(one third source driving，簡稱OTSD)架構，在此架構底下，三個子畫素共用一條源極配線(source line)。例如圖1中陣列排列的子畫素P1-P9中的子畫素P1、P5、P9共用源極配線S1，並且依閘極線G1、G2、G3的驅動時序分別針對子畫素P1、P5、P9進行充電。在本實施例中，採用上述架構的內嵌式觸控顯示面板100，在源極配線的數目減少後，可利用原本部分的源極配線空間作走線設計，例如圖1中的走線T1或T2可為觸控感測信號線或是信號線。此外，以五吋的高畫質(Full High Definition,FHD)且具有1920*1080直立式(Portrait)解析度的內嵌式觸控顯示面板100為例，內嵌式觸控顯示面板100原本具有3240條源極配線，經採用OTSD架構後只剩下1080條源極配線，可省下2160條的源極配線空間。再者，在本實施例中，省下的2160條源極配線空間可優先置入390條的 觸控感測信號線或是信號線，然後再以剩下的空間(2160-390=1770)塞入1770條的閘極線(閘極線共1920條)。 剩下的150條閘極線，則另於架構的兩側形成左右扇出(L/R fan out)的線路。由於本實施例大部分的閘極線已容置於減少源極配線後所省下的空間中，因此，內嵌式觸控顯示面板100於其左右兩側扇出的導線數目可有效減少，進而使得整體面板具有較窄的邊框。就上述例子而言，內嵌式觸控顯示面板100在上述的情形之下可具有小於0.8毫米的邊框大小。 FIG. 1 is a schematic diagram of an in-cell touch display panel according to an embodiment of the invention. In this embodiment, the in-cell touch display panel 100 adopts an OTSD (one third source driving, OTSD) architecture. Under this architecture, three sub-pixels share one source line. For example, the sub-pixels P1, P5, and P9 in the sub-pixels P1 - P9 arranged in the array in FIG. 1 share the source wiring S1, and the driving timings of the gate lines G1, G2, and G3 are respectively directed to the sub-pixels P1 and P5. , P9 is charging. In the embodiment, the in-cell touch display panel 100 of the above structure can use the original part of the source wiring space as a trace design after the number of source wirings is reduced, for example, the trace T1 in FIG. Or T2 can be a touch sensing signal line or a signal line. In addition, an in-cell touch display panel 100 having a high-definition (FHD) and a 1920*1080 vertical resolution is taken as an example, and the in-cell touch display panel 100 originally has 3240 source wiring, after using the OTSD architecture, only 1080 source wiring is left, saving 2,160 source wiring space. Furthermore, in this embodiment, the 2160 source wiring spaces saved can be preferentially placed in 390 lines. Touch the sensing signal line or the signal line, and then plug the 1770 gate lines (the total of 1920 gate lines) with the remaining space (2160-390=1770). The remaining 150 gate lines form a line of L/R fan out on both sides of the structure. Since most of the gate lines of the present embodiment are accommodated in the space saved after the source wiring is reduced, the number of wires fanned out by the in-cell touch display panel 100 on the left and right sides thereof can be effectively reduced. This in turn allows the overall panel to have a narrower bezel. In the above example, the in-cell touch display panel 100 may have a bezel size of less than 0.8 mm under the above-described circumstances.
圖2A至圖2F是本發明一實施例的內嵌式觸控顯示面板的製作方法的示意圖，其中圖2A至圖2F分別包括內嵌式觸控顯示面板200的俯視示意圖，以及沿AA’線的剖面示意圖。請參考圖2A，本實施例的內嵌式觸控顯示面板200的形成方式是先於基板210上形成主動元件220，再於基板210上形成覆蓋主動元件220的第一絕緣層BP1，其中主動元件220包括源極221、汲極222、閘極223以及通道層224。此外，第一絕緣層BP1具有第一開孔240，第一開孔240由第一絕緣層BP1的表面延伸至第一金屬層250(圖2A，步驟201)。接著，於第一絕緣層BP1上形成平坦層PL，並且在平坦層PL上例如是以黃光微影的蝕刻方式形成第二開孔241，其中第二開孔241由平坦層PL的表面經由第一開孔240延伸至第一金屬層250的表面(圖2B，步驟202)。在形成平坦層PL層與第二開孔241之後，形成畫素電極230於部分的平坦層PL上且完全覆蓋第一及第二開孔240、241，以使畫素電極 230經第一開孔240橋接第一金屬層250(圖2C，步驟203)。然後，於平坦層PL及畫素電極230上沉積第二絕緣層BP2，並於部分的第二絕緣層BP2上沉積第二金屬層260(圖2D，步驟204)。 接著，在形成第二金屬層260之後，於第二絕緣層BP2上形成第三絕緣層BP3，其中第三絕緣層BP3具有第三開口242暴露出部分的第二金屬層260(圖2E，步驟205)。最後，在完成上述步驟後，於第三絕緣層BP3上形成共用電極270，並且共用電極270完全覆蓋第三開口242。共用電極270經由第三開口242橋接第二金屬層260(圖2F，步驟206)。至此，完成內嵌式觸控顯示面板200的製作過程。在本實施例中，平坦層PL可由氧化矽及氮化矽形成，如SiO2、SiOxNy及SixNy等，而第一、第二及第三絕緣層BP1、BP2、BP3可由碳、氧化物或其它介電材料形成。 2A to 2F are schematic diagrams showing a method of fabricating an in-cell touch display panel according to an embodiment of the present invention, wherein FIGS. 2A to 2F respectively include a top view of the in-cell touch display panel 200, and along the line AA'. Schematic diagram of the section. Referring to FIG. 2A, the in-cell touch display panel 200 of the present embodiment is formed by forming an active device 220 on the substrate 210, and then forming a first insulating layer BP1 covering the active device 220 on the substrate 210. Element 220 includes a source 221, a drain 222, a gate 223, and a channel layer 224. Further, the first insulating layer BP1 has a first opening 240, and the first opening 240 extends from the surface of the first insulating layer BP1 to the first metal layer 250 (FIG. 2A, step 201). Next, a planarization layer PL is formed on the first insulating layer BP1, and a second opening 241 is formed on the planarization layer PL, for example, by etching a yellow lithography, wherein the second opening 241 is formed by the surface of the planarization layer PL via the first The opening 240 extends to the surface of the first metal layer 250 (Fig. 2B, step 202). After forming the flat layer PL layer and the second opening 241, the pixel electrode 230 is formed on a portion of the flat layer PL and completely covers the first and second openings 240, 241 to make the pixel electrode 230 bridges first metal layer 250 via first opening 240 (FIG. 2C, step 203). Then, a second insulating layer BP2 is deposited on the flat layer PL and the pixel electrode 230, and a second metal layer 260 is deposited on a portion of the second insulating layer BP2 (FIG. 2D, step 204). Next, after the second metal layer 260 is formed, a third insulating layer BP3 is formed on the second insulating layer BP2, wherein the third insulating layer BP3 has a third opening 242 exposing a portion of the second metal layer 260 (FIG. 2E, steps) 205). Finally, after the above steps are completed, the common electrode 270 is formed on the third insulating layer BP3, and the common electrode 270 completely covers the third opening 242. The common electrode 270 bridges the second metal layer 260 via the third opening 242 (FIG. 2F, step 206). So far, the manufacturing process of the in-cell touch display panel 200 is completed. In this embodiment, the flat layer PL may be formed of tantalum oxide and tantalum nitride, such as SiO2, SiOxNy, and SixNy, and the first, second, and third insulating layers BP1, BP2, and BP3 may be composed of carbon, oxide, or the like. Electrical material is formed.
圖3A、圖3B是本發明另一實施例的內嵌式觸控顯示面板的示意圖，其中圖3B為圖3A的部份(圖3A中的方框處)剖面示意圖。請參考圖1、圖3A及圖3B，本實施例的內嵌式觸控顯示面板300包括繪示於圖1中不同畫素區P1-P9內的主動元件170以及繪示於圖3A、3B中的多條資料線D1、D2....Dn、多條閘極線G1....Gn、多條信號線TGP1....TGPn、多條第一感測信號線TP1....TPn、多個第一電極320以及多個第二電極340(圖3B僅繪示一條資料線D1、一條信號線TGP1以及一條第一感測信號線TP1為例作說明)。在本實施例中，各資料線D1、D2....Dn、各信號線TGP1....TGPn以及各第一感測信號線TP1....TPn分別位於不 同的相鄰畫素區P1-P9之間，並且各資料線D1、D2....Dn、各信號線TGP1....TGPn以及各第一感測信號線TP1....TPn於其垂直投影方向上並未重疊。 3A and FIG. 3B are schematic diagrams of an in-cell touch display panel according to another embodiment of the present invention, wherein FIG. 3B is a cross-sectional view of a portion (at the block in FIG. 3A) of FIG. 3A. Referring to FIG. 1 , FIG. 3A and FIG. 3B , the in-cell touch display panel 300 of the present embodiment includes active components 170 illustrated in different pixel regions P1 - P9 of FIG. 1 and is illustrated in FIGS. 3A , 3B . The plurality of data lines D1, D2, ..., Dn, the plurality of gate lines G1....Gn, the plurality of signal lines TGP1....TGPn, and the plurality of first sensing signal lines TP1... The TPn, the plurality of first electrodes 320, and the plurality of second electrodes 340 (only one data line D1, one signal line TGP1, and one first sensing signal line TP1 are illustrated as an example). In this embodiment, each of the data lines D1, D2, ..., Dn, the respective signal lines TGP1....TGPn, and the respective first sensing signal lines TP1....TPn are respectively located. Between the adjacent adjacent pixel regions P1-P9, and each of the data lines D1, D2, ..., Dn, the respective signal lines TGP1....TGPn, and the respective first sensing signal lines TP1....TPn are Their vertical projection directions do not overlap.
此外，本實施例的資料線D1自顯示區域350延伸至週邊區域360，並且分別電性連接圖1中的各畫素區P1-P9內的主動元件170。此外，信號線TGP1由顯示區域350延伸至週邊區域360，並且信號線TGP1延伸的方向平行於資料線D1的延伸方向。除此之外，請參考圖3A及圖3B，本實施例的內嵌式觸控顯示面板300包括第一絕緣層BP1以及配置其上的平坦層PL，其中第一絕緣層BP1配置於顯示區域350與週邊區域360。第一絕緣層BP1覆蓋圖1的主動元件170、資料線D1、閘極線G1~G3以及信號線TGP1。除此之外，本實施例的第一電極320配置於第一絕緣層BP1以及平坦層PL上。 In addition, the data line D1 of the present embodiment extends from the display area 350 to the peripheral area 360, and is electrically connected to the active elements 170 in the respective pixel areas P1-P9 in FIG. 1, respectively. Further, the signal line TGP1 extends from the display region 350 to the peripheral region 360, and the direction in which the signal line TGP1 extends is parallel to the extending direction of the data line D1. In addition, referring to FIG. 3A and FIG. 3B, the in-cell touch display panel 300 of the present embodiment includes a first insulating layer BP1 and a flat layer PL disposed thereon, wherein the first insulating layer BP1 is disposed in the display area. 350 and surrounding area 360. The first insulating layer BP1 covers the active device 170 of FIG. 1, the data line D1, the gate lines G1 to G3, and the signal line TGP1. In addition, the first electrode 320 of the present embodiment is disposed on the first insulating layer BP1 and the flat layer PL.
再者，請參考圖3B，內嵌式觸控顯示面板300還包括第二絕緣層BP2，第二絕緣層BP2配置於第一絕緣層BP1及平坦層PL上，並且覆蓋配置於第一絕緣層BP1上的第一電極320。第一感測信號線TP1配置於第二絕緣層BP2上，並且第一感測信號線TP1由顯示區域350延伸至週邊區域360。在本實施例中，第一感測信號線TP1的延伸方向與資料線D1的延伸方向平行。 In addition, referring to FIG. 3B , the in-cell touch display panel 300 further includes a second insulating layer BP2 disposed on the first insulating layer BP1 and the flat layer PL and covered on the first insulating layer. The first electrode 320 on BP1. The first sensing signal line TP1 is disposed on the second insulating layer BP2, and the first sensing signal line TP1 extends from the display region 350 to the peripheral region 360. In the embodiment, the extending direction of the first sensing signal line TP1 is parallel to the extending direction of the data line D1.
請再參考圖3B，內嵌式觸控顯示面板300還包括第三絕緣層BP3，第三絕緣層BP3配置於第二絕緣層BP2上並且覆蓋配置於第二絕緣層BP2上的第一感測信號線TP1。此外，第二電極 340配置於第三絕緣層BP3上，並且第二電極340分別電性連接至相應的第一感測信號線TP1。舉例而言，第一電極320包括多個畫素電極322，並且畫素電極322電性連接至圖1的畫素區P1-P9內相應的主動元件170。再者，本實施例的第二電極340包括多個共用電極342。因此，圖3B所繪示的共用電極342是配置於畫素電極322之上。除此之外，如圖3A所示，本實施例的內嵌式觸控面板300還包括源極驅動器370，其連接多條資料線D1....Dn、多條信號線TGP1....TGPn以及多條第一感測信號線TP1....TPn。 Referring to FIG. 3B , the in-cell touch display panel 300 further includes a third insulating layer BP3 disposed on the second insulating layer BP2 and covering the first sensing disposed on the second insulating layer BP2. Signal line TP1. In addition, the second electrode 340 is disposed on the third insulating layer BP3, and the second electrodes 340 are electrically connected to the corresponding first sensing signal lines TP1, respectively. For example, the first electrode 320 includes a plurality of pixel electrodes 322, and the pixel electrodes 322 are electrically connected to corresponding active elements 170 in the pixel regions P1-P9 of FIG. Furthermore, the second electrode 340 of the present embodiment includes a plurality of common electrodes 342. Therefore, the common electrode 342 illustrated in FIG. 3B is disposed on the pixel electrode 322. In addition, as shown in FIG. 3A , the in-cell touch panel 300 of the present embodiment further includes a source driver 370 that connects a plurality of data lines D1 . . . Dn, a plurality of signal lines TGP1... .TGPn and a plurality of first sensing signal lines TP1....TPn.
進一步而言，由於圖3A、3B所繪示的內嵌式觸控顯示面板300是採用上述的OTSD架構，因此，本實施例可於省下的源極配線空間中置入信號線TGP1或是第一信號感測線TP1，使得信號線TGP1及第一信號感測線TP1容置於內嵌式觸控顯示面板300的顯示區域中，進而減少內嵌式觸控顯示面板300所需的外接腳位(pin)數目。 Further, since the in-cell touch display panel 300 illustrated in FIGS. 3A and 3B adopts the above OTSD architecture, the present embodiment can insert the signal line TGP1 into the saved source wiring space or The first signal sensing line TP1 allows the signal line TGP1 and the first signal sensing line TP1 to be received in the display area of the in-cell touch display panel 300, thereby reducing the external pin position required by the in-cell touch display panel 300. Number of (pin).
另一方面，本實施例的信號線TGP1....TGPn例如是多條閘極信號線，其分別連接對應的閘極線G1....Gn。或者，信號線TGP1....TGPn可為多個浮接信號線。本發明對於信號線TGP1....TGPn的形式或功能並不加以限制。 On the other hand, the signal lines TGP1 . . . TGPn of the present embodiment are, for example, a plurality of gate signal lines which are respectively connected to the corresponding gate lines G1 . . . Gn. Alternatively, the signal lines TGP1 . . . TGPn may be a plurality of floating signal lines. The present invention does not limit the form or function of the signal lines TGP1....TGPn.
圖4A、圖4B是本發明另一實施例的內嵌式觸控顯示面板的示意圖，其中圖4B為圖4A的部份剖面示意圖(圖4A中的方框處)。在圖4A、圖4B所繪示的另一個實施例中，內嵌式觸控顯示面板400與圖3A、圖3B的內嵌式觸控顯示面板300具有類 似的結構，因此相同或相似的構件以相同或相似的符號表示，並且不再重複說明。在本實施例中，第一電極420配置於第一絕緣層BP1與平坦層PL上，並且第一電極420包括多個共用電極422。 此外，本實施例的第二電極440配置於第三絕緣層BP3上，並且包括多個畫素電極442。因此，本實施例與圖3A、圖3B實施例的差異在於本實施例的畫素電極442是配置於共用電極422之上。 根據上述圖3A、圖3B以及圖4A、圖4B實施例的內容，本發明的共用電極342、422以及畫素電極322、442的相對配置方式可依實際電路設計的需求做調整，本發明對此並不加以限制。 4A and FIG. 4B are schematic diagrams showing an in-cell touch display panel according to another embodiment of the present invention, wherein FIG. 4B is a partial cross-sectional view of FIG. 4A (at the block in FIG. 4A). In another embodiment illustrated in FIG. 4A and FIG. 4B , the in-cell touch display panel 400 and the in-cell touch display panel 300 of FIGS. 3A and 3B have a class. The same or similar components are denoted by the same or similar symbols, and the description will not be repeated. In the present embodiment, the first electrode 420 is disposed on the first insulating layer BP1 and the flat layer PL, and the first electrode 420 includes a plurality of common electrodes 422. In addition, the second electrode 440 of the present embodiment is disposed on the third insulating layer BP3 and includes a plurality of pixel electrodes 442. Therefore, the difference between this embodiment and the embodiment of FIGS. 3A and 3B is that the pixel electrode 442 of the present embodiment is disposed on the common electrode 422. According to the foregoing embodiments of FIG. 3A, FIG. 3B and FIG. 4A and FIG. 4B, the relative arrangement manners of the common electrodes 342 and 422 and the pixel electrodes 322 and 442 of the present invention can be adjusted according to the requirements of the actual circuit design, and the present invention is This is not limited.
圖5A、圖5B及圖5C是本發明另一實施例的內嵌式觸控顯示面板的示意圖，其中圖5B與圖5C分別為圖5A(圖5A中的方框處)不同側面的剖面示意圖。本實施例的內嵌式觸控顯示面板500與圖3A、圖3B的內嵌式觸控顯示面板300具有類似的結構，因此相同或相似的構件以相同或相似的符號表示，並且不再重複說明。請參考圖5B及圖5C，內嵌式觸控觸控顯示面板500與圖3A、圖3B的內嵌式觸控顯示面板300的差異在於，內嵌式觸控顯示面板500另外包括多條第二感測信號線TP21...TP2n配置於基板310上，並且第二感測信號線TP21...TP2n由顯示區域350延伸至週邊區域360(圖5B僅繪示一條第二感測信號線TP21為例作說明)。此外，如圖5B所示，第一絕緣層BP1及平坦層PL覆蓋第二感測信號線TP21，並且上述的多條第一感測信號線TP1在其垂直投影方向上分別與第二感測信號線TP21重疊。 5A, FIG. 5B and FIG. 5C are schematic diagrams of an in-cell touch display panel according to another embodiment of the present invention, wherein FIG. 5B and FIG. 5C are cross-sectional views of different sides of FIG. 5A (at the block of FIG. 5A), respectively. . The in-cell touch display panel 500 of the present embodiment has a similar structure to the in-cell touch display panel 300 of FIGS. 3A and 3B, and therefore the same or similar components are denoted by the same or similar symbols, and are not repeated. Description. 5B and FIG. 5C , the difference between the in-cell touch display panel 500 and the in-cell touch display panel 300 of FIG. 3A and FIG. 3B is that the in-cell touch display panel 500 additionally includes multiple strips. The second sensing signal lines TP21...TP2n are disposed on the substrate 310, and the second sensing signal lines TP21...TP2n are extended from the display area 350 to the peripheral area 360 (only one second sensing signal line is illustrated in FIG. 5B). TP21 is taken as an example). In addition, as shown in FIG. 5B, the first insulating layer BP1 and the flat layer PL cover the second sensing signal line TP21, and the plurality of first sensing signal lines TP1 are respectively in the vertical projection direction and the second sensing. The signal lines TP21 overlap.
請再參考圖5C，在本實施例中，多條第一連接線521(圖5C僅繪示一條第一連接線521為例作說明)配置於第一絕緣層BP1與第二絕緣層BP2之間，並且電性連接至相應的第二感測信號線TP21。此外，多條第二連接線541配置於第三絕緣層BP3上，並且第二連接線541分別電性連接於相應的第一感測信號線TP1與第一連接線521之間。因此，本實施例的第一感測信號線TP1經由第一連接線521與第二連接線541電性連接至相應的第二感測信號線TP21，形成相互並聯的第一感測信號線TP1與第二感測信號線TP21。 Referring to FIG. 5C again, in the embodiment, a plurality of first connecting lines 521 (only one first connecting line 521 is illustrated as an example) is disposed on the first insulating layer BP1 and the second insulating layer BP2. And electrically connected to the corresponding second sensing signal line TP21. In addition, the plurality of second connecting lines 541 are disposed on the third insulating layer BP3, and the second connecting lines 541 are electrically connected between the corresponding first sensing signal lines TP1 and the first connecting lines 521, respectively. Therefore, the first sensing signal line TP1 of the present embodiment is electrically connected to the corresponding second sensing signal line TP21 via the first connecting line 521 and the second connecting line 541 to form a first sensing signal line TP1 connected in parallel with each other. And a second sensing signal line TP21.
值得一提的是，本實施例的內嵌式觸控顯示面板500透過第一感測信號線TP1以及第二感測信號線TP21的相互並聯搭接，可有效解決感測信號線電阻過高的問題，從而降低電阻電容負載(RC loading)。 It is to be noted that the in-cell touch display panel 500 of the present embodiment can effectively solve the problem that the sensing signal line resistance is too high through the parallel connection of the first sensing signal line TP1 and the second sensing signal line TP21. The problem is thus reducing the RC loading.
圖6A、圖6B及圖6C是本發明另一實施例的內嵌式觸控顯示面板的示意圖，其中圖6B與圖6C分別為圖6A(圖6A中的方框處)不同側面的剖面示意圖。圖6A、圖6B及圖6C內嵌式觸控顯示面板600與圖4A、圖4B的內嵌式觸控顯示面板400具有類似的結構，因此相同或相似的元件以相同或相似的符號表示，且不再重複說明。本實施例的內嵌式觸控顯示面板600與圖4A、圖4B的內嵌式觸控顯示面板400差異在於，本實施例的內嵌式觸控顯示面板600另外包括多條第二感測信號線TP31配置於基板310上。此外，本實施例具有多條連接線621配置於第二絕緣層 BP2與第三絕緣層BP3之間，並且分別連接於相應的第一感測信號線TP1與第二感測信號線TP31之間。換言之，本實施例的第一感測信號線TP1經由連接線621電性連接第二感測信號線TP31，並且相互並聯搭接，以達成降低電阻，並且減少電阻電容負載(RC loading)的目的。 6A, FIG. 6B and FIG. 6C are schematic diagrams of an in-cell touch display panel according to another embodiment of the present invention, wherein FIG. 6B and FIG. 6C are respectively schematic cross-sectional views of different sides of FIG. 6A (at the block of FIG. 6A). . The in-cell touch display panel 600 of FIGS. 6A, 6B, and 6C has a similar structure to the in-cell touch display panel 400 of FIGS. 4A and 4B, and thus the same or similar elements are denoted by the same or similar symbols. The description will not be repeated. The difference between the in-cell touch display panel 600 of the present embodiment and the in-cell touch display panel 400 of FIG. 4A and FIG. 4B is that the in-cell touch display panel 600 of the present embodiment additionally includes a plurality of second sensing layers. The signal line TP31 is disposed on the substrate 310. In addition, the embodiment has a plurality of connecting lines 621 disposed on the second insulating layer. The BP2 and the third insulating layer BP3 are connected between the corresponding first sensing signal line TP1 and the second sensing signal line TP31, respectively. In other words, the first sensing signal line TP1 of the present embodiment is electrically connected to the second sensing signal line TP31 via the connecting line 621, and is overlapped with each other in parallel to achieve the purpose of reducing the resistance and reducing the RC loading. .
綜上所述，在本發明上述的多個實施例中，內嵌式觸控顯示面板的多條閘極線、信號線以及感測信號線可容置於原用於配置源極配線的空間中。因此，本發明可有效減少內嵌式觸控顯示面板的外接腳位數以及其左右扇出(L/R fan out)的走線數目，從而裝置邊框的寬度，以符合目前內嵌式觸控顯示面板窄邊框的發展趨勢。 In summary, in the foregoing various embodiments of the present invention, the plurality of gate lines, signal lines, and sensing signal lines of the in-cell touch display panel can be accommodated in the space originally used for configuring the source wiring. in. Therefore, the present invention can effectively reduce the number of external pins of the in-cell touch display panel and the number of the left and right fan out (L/R fan out), so that the width of the device frame is consistent with the current in-cell touch. The development trend of the narrow border of the display panel.
將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。 The present invention has been described above by way of example only, and is not intended to limit the scope of the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.
300‧‧‧內嵌式觸控顯示面板 300‧‧‧In-cell touch display panel
310‧‧‧基板 310‧‧‧Substrate
320‧‧‧第一電極 320‧‧‧First electrode
322‧‧‧畫素電極 322‧‧‧ pixel electrodes
340‧‧‧第二電極 340‧‧‧second electrode
342‧‧‧共用電極 342‧‧‧Common electrode
BP1‧‧‧第一絕緣層 BP1‧‧‧first insulation
BP2‧‧‧第二絕緣層 BP2‧‧‧Second insulation
BP3‧‧‧第三絕緣層 BP3‧‧‧ third insulation layer
D1‧‧‧資料線 D1‧‧‧ data line
PL‧‧‧平坦層 PL‧‧‧flat layer
TP1‧‧‧第一感測信號線 TP1‧‧‧first sensing signal line
TGP1‧‧‧信號線 TGP1‧‧‧ signal line
Claims (9)
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| TW104113511A TWI549036B (en) | 2015-04-28 | 2015-04-28 | In-cell touch display panel |
| CN201510446639.7A CN104991368B (en) | 2015-04-28 | 2015-07-27 | Embedded touch display panel |
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| TW104113511A TWI549036B (en) | 2015-04-28 | 2015-04-28 | In-cell touch display panel |
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| TWI549036B TWI549036B (en) | 2016-09-11 |
| TW201638740A true TW201638740A (en) | 2016-11-01 |
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| TWI824542B (en) * | 2021-08-25 | 2023-12-01 | 群創光電股份有限公司 | Electronic device |
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| CN109240539A (en) * | 2017-02-22 | 2019-01-18 | 敦泰电子有限公司 | Touch-control, which is shown, integrates driving circuit |
| TWI755028B (en) * | 2020-08-17 | 2022-02-11 | 友達光電股份有限公司 | In-cell touch display panel |
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| TWI412012B (en) * | 2009-07-20 | 2013-10-11 | Au Optronics Corp | Liquid crystal display |
| CN102081246A (en) * | 2009-12-01 | 2011-06-01 | 群康科技(深圳)有限公司 | Liquid crystal display panel and liquid crystal display device |
| TWI435141B (en) * | 2009-12-21 | 2014-04-21 | Integrated Digital Tech Inc | Liquid crystal device with embedded element and method for designing thereof |
| TWI464715B (en) * | 2010-06-17 | 2014-12-11 | Au Optronics Corp | Pixel array and display panel having the same |
| TW201200935A (en) * | 2010-06-18 | 2012-01-01 | Hannstar Display Corp | Touch panel and pixel array thereof |
| TWI410729B (en) * | 2010-12-30 | 2013-10-01 | Au Optronics Corp | Liquid crystal display and liquid crystal display panel thereof |
| TW201351246A (en) * | 2012-06-05 | 2013-12-16 | Wintek Corp | Touch panel and touch display device |
| CN102937852B (en) * | 2012-10-19 | 2015-08-05 | 北京京东方光电科技有限公司 | A kind of capacitance type in-cell touch panel, its driving method and display device |
| CN102999220B (en) * | 2012-11-30 | 2015-07-22 | 北京京东方光电科技有限公司 | Semi-transmissive semi-reflective embedded touch panel, driving method thereof and display device |
| CN103761014B (en) * | 2013-11-20 | 2018-05-01 | 京东方科技集团股份有限公司 | Touch-screen and its driving method and display device |
| TWM483484U (en) * | 2014-04-15 | 2014-08-01 | Superc Touch Corp | Embedded display touch structure for displaying data line as transparent touch induction |
| CN104133590A (en) * | 2014-07-30 | 2014-11-05 | 友达光电股份有限公司 | In-cell touch panel and manufacturing method thereof |
| CN104407757A (en) * | 2014-12-04 | 2015-03-11 | 深圳市华星光电技术有限公司 | Touch display device |
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| TWI824542B (en) * | 2021-08-25 | 2023-12-01 | 群創光電股份有限公司 | Electronic device |
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| CN104991368A (en) | 2015-10-21 |
| CN104991368B (en) | 2017-12-15 |
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