TW201828012A - Sensing display apparatus - Google Patents

Sensing display apparatus Download PDF

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TW201828012A
TW201828012A TW106103034A TW106103034A TW201828012A TW 201828012 A TW201828012 A TW 201828012A TW 106103034 A TW106103034 A TW 106103034A TW 106103034 A TW106103034 A TW 106103034A TW 201828012 A TW201828012 A TW 201828012A
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sensing
layer
display
electrode
display panel
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TW106103034A
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Chinese (zh)
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TWI613580B (en
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呂藝全
張志嘉
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財團法人工業技術研究院
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Priority to TW106103034A priority Critical patent/TWI613580B/en
Priority to CN201710165666.6A priority patent/CN108345402B/en
Priority to US15/473,623 priority patent/US10411078B2/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

A sensing display apparatus including a display panel, an encapsulation layer, a sensing circuit layer and a cover is provided. The display panel includes a display area. The encapsulation layer encapsulates the display panel and the minimum thickness of the encapsulation layer ranges from 1 micrometer to 10 micrometers. The sensing circuit layer is disposed on the encapsulation layer. The ratio of the layout area of the sensing circuit layer and the area of the display area ranges from 3% to 15%. The encapsulation layer and the sensing circuit layer are covered by the cover and the thickness of the cover ranges from 10 micrometers to 120 micrometers.

Description

感測顯示裝置Sensing display device

本發明的實施例是有關於一種感測裝置，且特別是有關於一種感測顯示裝置。Embodiments of the present invention relate to a sensing device, and more particularly, to a sensing display device.

近年來，光電技術與半導體製造技術的成熟帶動了顯示面板(Display Panel)技術的發展，而常見的顯示面板包括液晶顯示面板、有機電激發光顯示面板等已經相繼地被使用者所接受。現今的顯示裝置仍持續地朝向輕薄、窄邊框、高顯示品質、多功能等方向發展，除了上述的發展趨勢之外，具備強大感測功能的顯示面板更為使用者帶來了極佳的使用與操作便利性。現階段，感測技術依照其感測方式的不同而大致上區分為電阻式感測技術、電容式感測技術、光學式感測技術、聲波式感測技術以及電磁式感測技術等。以電容式感測技術為例，其具有反應時間快、可靠度佳以及耐用度高等優點，可廣泛地搭配在顯示面板上。In recent years, the maturity of optoelectronic technology and semiconductor manufacturing technology has led to the development of display panel technology. Common display panels, including liquid crystal display panels and organic electroluminescent display panels, have been successively accepted by users. Today's display devices continue to develop towards thin and light, narrow bezels, high display quality, and versatility. In addition to the development trends mentioned above, display panels with powerful sensing functions have brought excellent use to users. And ease of operation. At this stage, the sensing technology is roughly divided into resistive sensing technology, capacitive sensing technology, optical sensing technology, acoustic wave sensing technology, and electromagnetic sensing technology according to the different sensing methods. Taking capacitive sensing technology as an example, it has the advantages of fast response time, good reliability, and high durability, and can be widely used on display panels.

隨著感測顯示裝置的厚度不斷地被要求縮減，感測線路層與顯示畫素之間的距離亦隨之縮短，感測線路層與顯示畫素之間距離的縮短會影響感測線路層的操作靈敏度。As the thickness of the sensing display device is continuously required to be reduced, the distance between the sensing circuit layer and the display pixels is also shortened, and the shortening of the distance between the sensing circuit layer and the display pixels will affect the sensing circuit layer. Operating sensitivity.

本發明的實施例提供一種感測顯示裝置，其包括顯示面板、封裝層、感測線路層以及蓋體。顯示面板具有顯示區。封裝層包覆顯示面板，封裝層的最小厚度介於1微米至10微米之間。感測線路層配置於封裝層上，感測線路層的佈局面積與顯示區的面積比值介於3%至15%之間。蓋體覆蓋封裝層以及感測線路層，且蓋體的厚度介於10微米至120微米之間。An embodiment of the present invention provides a sensing display device, which includes a display panel, a packaging layer, a sensing circuit layer, and a cover. The display panel has a display area. The encapsulation layer covers the display panel, and the minimum thickness of the encapsulation layer is between 1 micrometer and 10 micrometers. The sensing circuit layer is disposed on the packaging layer, and the ratio of the layout area of the sensing circuit layer to the area of the display area is between 3% and 15%. The cover body covers the packaging layer and the sensing circuit layer, and the thickness of the cover body is between 10 microns and 120 microns.

本發明的另一實施例提供一種感測顯示裝置，其包括顯示面板、封裝層以及感測線路層。顯示面板具有顯示區，且顯示面板包括至少一導體層。封裝層包覆顯示面板。感測線路層配置於封裝層上，感測線路層的佈局面積與顯示區的面積比值介於3%至15%之間，且導體層與感測線路層之間的距離介於1微米至10微米之間。Another embodiment of the present invention provides a sensing display device, which includes a display panel, a packaging layer, and a sensing circuit layer. The display panel has a display area, and the display panel includes at least one conductive layer. The encapsulation layer covers the display panel. The sensing circuit layer is disposed on the packaging layer. The ratio of the layout area of the sensing circuit layer to the area of the display area is between 3% and 15%, and the distance between the conductor layer and the sensing circuit layer is between 1 micrometer and Between 10 microns.

本發明的又一實施例提供一種感測顯示裝置，其包括顯示面板、封裝層、感測線路層以及蓋體。顯示面板具有顯示區，且顯示面板包括第一電極層、第二電極層以及顯示介質，顯示介質位於第一電極層與第二電極層之間。封裝層包覆顯示面板，且第二電極層位於顯示介質與封裝層之間。感測線路層配置於封裝層上，感測線路層的佈局面積與顯示區的面積比值介於3%至15%之間，其中感測線路層包括彼此相互電性絕緣的多個第一感測電極以及多個第二感測電極，且感測線路層與第二電極之間的距離介於1微米至10微米之間。蓋體覆蓋封裝層以及感測線路層，蓋體具有感測表面，且感測線路層與蓋體的感測表面之間的距離介於10微米至120微米之間。Another embodiment of the present invention provides a sensing display device including a display panel, a packaging layer, a sensing circuit layer, and a cover. The display panel has a display area, and the display panel includes a first electrode layer, a second electrode layer, and a display medium. The display medium is located between the first electrode layer and the second electrode layer. The encapsulation layer covers the display panel, and the second electrode layer is located between the display medium and the encapsulation layer. The sensing circuit layer is disposed on the packaging layer, and the ratio of the layout area of the sensing circuit layer to the area of the display area is between 3% and 15%. The sensing circuit layer includes a plurality of first sensing layers that are electrically insulated from each other. The sensing electrode and the plurality of second sensing electrodes, and a distance between the sensing circuit layer and the second electrode is between 1 micrometer and 10 micrometers. The cover body covers the packaging layer and the sensing circuit layer. The cover body has a sensing surface, and the distance between the sensing circuit layer and the sensing surface of the cover body is between 10 microns and 120 microns.

為讓本發明更明顯易懂，下文特舉實施例，並配合所附圖式作詳細說明如下。In order to make the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

第一實施例First embodiment

圖1為依據本發明第一實施例的感測顯示裝置的剖面示意圖，而圖2為圖1中感測線路層的局部區域的上視示意圖。請參照圖1與圖2，本實施例的感測顯示裝置100可包括顯示面板110、封裝層120以及感測線路層130。顯示面板110具有顯示區110a，且顯示面板110包括至少一導體層C。封裝層120包覆顯示面板110。感測線路層130配置於封裝層120上，感測線路層130的佈局面積與顯示區110a的面積比值介於3%至15%之間，且顯示面板110中的導體層C與感測線路層130之間的距離D1介於1微米至10微米之間。此處，感測線路層130的佈局面積泛指感測線路層130中實際具有感測效果的區域的面積，在某些實施例中，若感測線路層130中包含擬圖案(dummy patterns)，則擬圖案所佔據的面積不列入感測線路層130的佈局面積之計算。FIG. 1 is a schematic cross-sectional view of a sensing display device according to a first embodiment of the present invention, and FIG. 2 is a schematic top view of a partial area of a sensing circuit layer in FIG. 1. Referring to FIG. 1 and FIG. 2, the sensing display device 100 in this embodiment may include a display panel 110, a packaging layer 120, and a sensing circuit layer 130. The display panel 110 has a display area 110a, and the display panel 110 includes at least one conductive layer C. The encapsulation layer 120 covers the display panel 110. The sensing circuit layer 130 is disposed on the packaging layer 120. The ratio of the layout area of the sensing circuit layer 130 to the area of the display area 110a is between 3% and 15%, and the conductive layer C and the sensing circuit in the display panel 110 The distance D1 between the layers 130 is between 1 micrometer and 10 micrometers. Here, the layout area of the sensing circuit layer 130 generally refers to the area of the sensing circuit layer 130 that actually has a sensing effect. In some embodiments, if the sensing circuit layer 130 includes dummy patterns , The area occupied by the pseudo-pattern is not included in the calculation of the layout area of the sensing circuit layer 130.

在一些實施例中，顯示面板110可包括基板SUB、第一電極層112、第二電極層114以及顯示介質116，其中第一電極層112、第二電極層114以及顯示介質116皆形成於基板SUB上，而顯示介質116位於第一電極層112與第二電極層114之間，且第二電極層114位於顯示介質116與封裝層120之間。舉例而言，前述的第一電極層112可為主動元件陣列，其中主動元件陣列包括多個陣列排列的陽極圖案112a，而前述的第二電極層114為共用陰極層，且顯示介質116可包括有機電激發光層。以上述的有機電激發光型態的顯示面板110為例，導電層C所指為顯示面板110中較為鄰近於封裝層120或感測線路層130的電極層，例如圖1中所繪示的第二電極層114。In some embodiments, the display panel 110 may include a substrate SUB, a first electrode layer 112, a second electrode layer 114, and a display medium 116. The first electrode layer 112, the second electrode layer 114, and the display medium 116 are all formed on the substrate. SUB, and the display medium 116 is located between the first electrode layer 112 and the second electrode layer 114, and the second electrode layer 114 is located between the display medium 116 and the packaging layer 120. For example, the aforementioned first electrode layer 112 may be an active device array, wherein the active device array includes a plurality of anode patterns 112a arranged in an array, and the aforementioned second electrode layer 114 is a common cathode layer, and the display medium 116 may include Organic electro-excitation light layer. Taking the above-mentioned display panel 110 of organic electro-excitation light type as an example, the conductive layer C refers to an electrode layer in the display panel 110 that is relatively adjacent to the encapsulation layer 120 or the sensing circuit layer 130, for example, as shown in FIG. 1 Second electrode layer 114.

在一些實施例中，主動元件陣列可為薄膜電晶體陣列，且此薄膜電晶體陣列可包括多條掃描線、多條資料線以及多個畫素，各個畫素分別與對應的掃描線以及資料線電性連接，且各個畫素分別包括與對應的掃描線以及資料線電性連接的驅動電路以及與驅動電路電性連接的畫素電極。舉例而言，驅動電路例如是由2個電晶體與1個電容器所構成的2T1C電路架構、由4個電晶體與2個電容器所構成的4T2C電路架構或由其它數量的電晶體與電容器所構成的電路架構。此外，畫素電極的材質可為透明導電氧化物（諸如，銦錫氧化物、銦鋅氧化物等）。In some embodiments, the active device array may be a thin film transistor array, and the thin film transistor array may include a plurality of scan lines, a plurality of data lines, and a plurality of pixels, and each pixel is corresponding to a corresponding scan line and data. The lines are electrically connected, and each pixel includes a driving circuit electrically connected to the corresponding scanning line and the data line, and a pixel electrode electrically connected to the driving circuit. For example, the driving circuit is, for example, a 2T1C circuit structure composed of 2 transistors and a capacitor, a 4T2C circuit structure composed of 4 transistors and 2 capacitors, or another number of transistors and capacitors Circuit architecture. In addition, the material of the pixel electrode may be a transparent conductive oxide (such as indium tin oxide, indium zinc oxide, etc.).

在圖1中所繪示的有機電激發光型態的顯示面板110中，導電層C（即，第二電極層114）的分佈範圍通常對應於顯示面板110的顯示區110a，且導電層C（即，第二電極層114）的佈局面積例如是略大於或實質上等於顯示面板110的顯示區110a的面積。顯示面板110中的導體層C（即，第二電極層114）鄰近感測線路層130（例如二者之間的距離D1介於1微米至10微米之間），且導電層C（即，第二電極層114）具有很大的佈局面積，導電層C（即，第二電極層114）有可能會影響到感測線路層130的操作靈敏度。為了降低感測線路層130的操作靈敏度被影響的程度，本實施例將感測線路層130的佈局面積與顯示區110a的面積比值控制在3%至15%之間，以使感測線路層130產生足夠大的電容值（例如，介於1pF至20pF之間）。換言之，當感測線路層130的佈局面積與顯示區110a的面積比值介於3%至15%之間時，導電層C（即，第二電極層114）對於感測線路層130的干擾可被忽略。承上述，當感測線路層130的佈局面積與顯示區110a的面積比值介於3%至15%之間時，感測線路層130的操作靈敏度將不會受到顯示面板110的大幅影響而出現明顯劣化。In the organic electroluminescent display panel 110 shown in FIG. 1, the distribution range of the conductive layer C (ie, the second electrode layer 114) generally corresponds to the display area 110 a of the display panel 110, and the conductive layer C That is, the layout area of the second electrode layer 114 is, for example, slightly larger than or substantially equal to the area of the display area 110 a of the display panel 110. The conductive layer C (ie, the second electrode layer 114) in the display panel 110 is adjacent to the sensing circuit layer 130 (for example, the distance D1 between the two is between 1 micrometer and 10 micrometers), and the conductive layer C (that is, The second electrode layer 114) has a large layout area, and the conductive layer C (ie, the second electrode layer 114) may affect the operation sensitivity of the sensing circuit layer 130. In order to reduce the degree to which the operating sensitivity of the sensing circuit layer 130 is affected, in this embodiment, the ratio of the layout area of the sensing circuit layer 130 to the area of the display area 110a is controlled between 3% and 15%, so that the sensing circuit layer 130 130 produces a sufficiently large capacitance value (for example, between 1 pF to 20 pF). In other words, when the ratio of the layout area of the sensing circuit layer 130 to the area of the display area 110a is between 3% and 15%, the interference of the conductive layer C (ie, the second electrode layer 114) on the sensing circuit layer 130 may be be ignored. According to the above, when the ratio of the layout area of the sensing circuit layer 130 to the area of the display area 110a is between 3% and 15%, the operating sensitivity of the sensing circuit layer 130 will not be greatly affected by the display panel 110. Significant degradation.

如圖1所示，顯示面板110與感測線路層130分別位於封裝層120的兩相對側。意即，封裝層120的最小厚度T1可決定了導體層C與感測線路層130之間的距離D1。在一些實施例中，封裝層120的最小厚度T1例如是介於1微米至10微米之間，此時，導體層C與感測線路層130之間的距離D1實質上等於封裝層120的最小厚度T1。舉例而言，封裝層120可為具有良好阻水氧能力的一層或多層的介電層，且封裝層120的水氣穿透率(Water Vapor Transmission Rate，WVTR)可小於10-1 g/m2 ・day，例如介於10-1 g/m2 ・day至10-6 g/m2 ・day之間。As shown in FIG. 1, the display panel 110 and the sensing circuit layer 130 are respectively located on two opposite sides of the packaging layer 120. That is, the minimum thickness T1 of the packaging layer 120 may determine the distance D1 between the conductor layer C and the sensing circuit layer 130. In some embodiments, the minimum thickness T1 of the packaging layer 120 is, for example, between 1 μm and 10 μm. At this time, the distance D1 between the conductor layer C and the sensing circuit layer 130 is substantially equal to the minimum thickness of the packaging layer 120. Thickness T1. For example, the encapsulation layer 120 may be one or more dielectric layers with good water and oxygen blocking capabilities, and the Water Vapor Transmission Rate (WVTR) of the encapsulation layer 120 may be less than 10 -1 g / m 2 · day, for example, between 10 -1 g / m 2 · day and 10 -6 g / m 2 · day.

在一些實施例中，感測線路層130包括彼此相互電性絕緣的多個第一感測電極132以及多個第二感測電極134，且第一感測電極132或第二感測電極134與導體層C（即，第二電極層114）之間的距離介於1微米至10微米之間。此處，感測線路層130的佈局面積為第一感測電極132以及第二感測電極134所佔據的面積。如圖1所示，感測線路層130中的第一感測電極132彼此電性絕緣，感測線路層130中的第二感測電極134彼此電性絕緣，而第一感測電極132會與第二感測電極134交錯，且第一感測電極132與第二感測電極134在交錯處可藉由絕緣圖案136彼此電性絕緣。In some embodiments, the sensing circuit layer 130 includes a plurality of first sensing electrodes 132 and a plurality of second sensing electrodes 134 which are electrically insulated from each other, and the first sensing electrode 132 or the second sensing electrode 134 The distance from the conductor layer C (ie, the second electrode layer 114) is between 1 micrometer and 10 micrometers. Here, the layout area of the sensing circuit layer 130 is the area occupied by the first sensing electrode 132 and the second sensing electrode 134. As shown in FIG. 1, the first sensing electrodes 132 in the sensing circuit layer 130 are electrically insulated from each other, the second sensing electrodes 134 in the sensing circuit layer 130 are electrically insulated from each other, and the first sensing electrodes 132 are It is staggered with the second sensing electrode 134, and the first sensing electrode 132 and the second sensing electrode 134 can be electrically insulated from each other by the insulating pattern 136 at the crossing.

在一些實施例中，第一感測電極132與第二感測電極134可藉由一層透明導電氧化物層（例如，銦錫氧化物層、銦鋅氧化物層等）以及多個橋接線（例如，金屬橋接線）所構成，且透明導電氧化物層與橋接線之間藉由絕緣圖案136彼此電性絕緣。在其他實施例中，第一感測電極132與第二感測電極134可藉由兩層透明導電氧化物層（例如，銦錫氧化物層、銦鋅氧化物層等），且兩層透明導電氧化物層之間藉由絕緣圖案136彼此電性絕緣所構成。除此之外，上述的透明導電氧化物層亦可以金屬層取代。值得注意的是，第一感測電極132以及第二感測電極134的製作可依據實際的設計需求而有所更動，本發明的實施例不限於上述之設計。In some embodiments, the first sensing electrode 132 and the second sensing electrode 134 may include a transparent conductive oxide layer (eg, an indium tin oxide layer, an indium zinc oxide layer, etc.) and a plurality of bridge lines ( For example, a metal bridge line), and the transparent conductive oxide layer and the bridge line are electrically insulated from each other by an insulation pattern 136. In other embodiments, the first sensing electrode 132 and the second sensing electrode 134 may have two transparent conductive oxide layers (for example, an indium tin oxide layer, an indium zinc oxide layer, etc.), and the two layers are transparent. The conductive oxide layers are electrically insulated from each other by an insulating pattern 136. Besides, the above-mentioned transparent conductive oxide layer may be replaced by a metal layer. It is worth noting that the fabrication of the first sensing electrode 132 and the second sensing electrode 134 can be changed according to the actual design requirements, and the embodiments of the present invention are not limited to the above designs.

圖3為第一感測電極與其相對應的第二感測電極的局部示意圖。請參照圖3，在一些實施例中，第一感測電極132及第二感測電極134可呈現導線(conductive traces)的型態而沿著預定路徑延伸，且第一感測電極132與其相對應的第二感測電極134之間維持實質上固定的間距S。舉例而言，第一感測電極132與第二感測電極可具有相同的線寬L，而線寬L可介於50微米至70微米之間，第一感測電極132與其相對應的第二感測電極134之間的間距S可介於50微米至80微米之間。在一些實施例中，封裝層120的最小厚度T1（或距離D1）與間距S的比可介於1:50至1:80之間。在其他實施例中，線寬L與間距S的比可介於1:0.5至1:0.9之間。FIG. 3 is a partial schematic diagram of a first sensing electrode and a corresponding second sensing electrode. Referring to FIG. 3, in some embodiments, the first sensing electrode 132 and the second sensing electrode 134 may be in the form of conductive traces and extend along a predetermined path, and the first sensing electrode 132 and its phase A substantially constant distance S is maintained between the corresponding second sensing electrodes 134. For example, the first sensing electrode 132 and the second sensing electrode may have the same line width L, and the line width L may be between 50 μm and 70 μm. The first sensing electrode 132 and its corresponding first The distance S between the two sensing electrodes 134 may be between 50 micrometers and 80 micrometers. In some embodiments, the ratio of the minimum thickness T1 (or the distance D1) of the packaging layer 120 to the pitch S may be between 1:50 and 1:80. In other embodiments, the ratio of the line width L to the pitch S may be between 1: 0.5 and 1: 0.9.

圖4為第一感測電極與第二感測電極的線寬、封裝層的厚度以及所產生的電容值的關係圖。請參照圖4，在第一感測電極132與其相對應的第二感測電極134之間的間距S（例如為40微米）以及封裝層120的最小厚度T1固定的情況下，第一感測電極132與第二感測電極134的線寬L越大，第一感測電極132與第二感測電極134之間所產生的電容值越大。此外，在間距S（例如為40微米）與線寬L固定的情況下，封裝層120的最小厚度T1越小，第一感測電極132與第二感測電極134之間所產生的電容值越小。FIG. 4 is a relationship diagram between the line width of the first sensing electrode and the second sensing electrode, the thickness of the packaging layer, and the generated capacitance value. Referring to FIG. 4, when the distance S (for example, 40 μm) between the first sensing electrode 132 and the corresponding second sensing electrode 134 is fixed and the minimum thickness T1 of the packaging layer 120 is fixed, the first sensing The larger the line width L of the electrode 132 and the second sensing electrode 134 is, the larger the capacitance value generated between the first sensing electrode 132 and the second sensing electrode 134 is. In addition, when the distance S (for example, 40 microns) and the line width L are fixed, the smaller the minimum thickness T1 of the packaging layer 120 is, the capacitance value generated between the first sensing electrode 132 and the second sensing electrode 134 is. The smaller.

從圖4可知，在設計上，當感測顯示裝置100的厚度被要求降低時，封裝層120的最小厚度T1也可能會被要求降低，第一感測電極132與第二感測電極134之間所產生的電容值會因為封裝層120的最小厚度T1降低而下降，此時，感測線路層130中的第一感測電極132與第二感測電極134的線寬L必須足夠大，才能夠產生足夠大的電容值。在前述的實施例中，當感測線路層130的佈局面積與顯示區110a的面積比值介於3%至15%之間時，第一感測電極132與第二感測電極134之間便可產生足夠的電容值，以維持感測線路層130的操作靈敏度。As can be seen from FIG. 4, in the design, when the thickness of the sensing display device 100 is required to be reduced, the minimum thickness T1 of the packaging layer 120 may also be required to be reduced. The capacitance value generated during this period will decrease due to the decrease in the minimum thickness T1 of the packaging layer 120. At this time, the line width L of the first sensing electrode 132 and the second sensing electrode 134 in the sensing circuit layer 130 must be sufficiently large. In order to be able to produce a sufficiently large capacitance value. In the foregoing embodiment, when the ratio of the layout area of the sensing circuit layer 130 to the area of the display area 110a is between 3% and 15%, the interval between the first sensing electrode 132 and the second sensing electrode 134 is reduced. A sufficient capacitance value may be generated to maintain the operation sensitivity of the sensing circuit layer 130.

第二實施例Second embodiment

圖5A為依據本發明第二實施例的第一感測電極、第二感測電極以及畫素的上視示意圖，而圖5B為圖5A中位置X的局部放大示意圖。請參照圖5A與圖5B，在本實施例中，為了降低感測線路層130對顯示面板110的視覺造成影響，可令感測線路層130中的第一感測電極132以及第二感測電極134的佈局位置不與顯示面板110中的畫素P重疊。舉例而言，導線型態的第一感測電極132以及第二感測電極134可對應於相鄰畫素P之間的區域分佈，且以不遮蔽住畫素P為原則，其中畫素P可例如以陣列式排列。FIG. 5A is a schematic top view of a first sensing electrode, a second sensing electrode, and a pixel according to a second embodiment of the present invention, and FIG. 5B is a partially enlarged schematic view of position X in FIG. 5A. Please refer to FIG. 5A and FIG. 5B. In this embodiment, in order to reduce the visual impact of the sensing circuit layer 130 on the display panel 110, the first sensing electrode 132 and the second sensing in the sensing circuit layer 130 may be caused. The layout position of the electrodes 134 does not overlap with the pixels P in the display panel 110. For example, the first sensing electrodes 132 and the second sensing electrodes 134 in a wire shape may correspond to the area distribution between adjacent pixels P, and the principle is not to cover the pixels P, where the pixels P It can be arranged in an array, for example.

如圖5A與圖5B所繪示，為了讓第一感測電極132與對應的第二感測電極134之間能夠產生足夠大的電容值，第一感測電極132與第二感測電極134必須具有足夠大的線寬L（如圖4所示），但若第一感測電極132與第二感測電極134的線寬L大於相鄰畫素P之間的區域寬度時，第一感測電極132與第二感測電極134無可避免地會與畫素P重疊而影響到顯示面板110的整體視覺，因此，本實施例可使用多條線寬L’較小且彼此相連接的第一導線132a來構成第一感測電極132，及/或可使用多條線寬L’較小且彼此相連接的第二導線134a來構成第二感測電極134。此處，第一導線132a與第二導線134a的線寬L’以不大於畫素P之間的區域寬度為原則，第一導線132a與第二導線134a的分佈不與畫素P重疊。As shown in FIG. 5A and FIG. 5B, in order to enable a sufficiently large capacitance value between the first sensing electrode 132 and the corresponding second sensing electrode 134, the first sensing electrode 132 and the second sensing electrode 134 Must have a sufficiently large line width L (as shown in FIG. 4), but if the line width L of the first sensing electrode 132 and the second sensing electrode 134 is greater than the area width between adjacent pixels P, the first The sensing electrodes 132 and the second sensing electrodes 134 inevitably overlap with the pixels P and affect the overall vision of the display panel 110. Therefore, in this embodiment, multiple line widths L 'may be smaller and connected to each other. To form the first sensing electrode 132, and / or a plurality of second leads 134a having a small line width L 'and connected to each other may be used to form the second sensing electrode 134. Here, the line width L 'of the first conductive line 132a and the second conductive line 134a is based on the principle that it is not larger than the area width between the pixels P, and the distribution of the first conductive line 132a and the second conductive line 134a does not overlap the pixels P.

如圖5A所示，顯示面板100的畫素P可沿著行方向DR1與列方向DR2呈陣列排列，而構成第一感測電極132的各個第一導線132a分別是由多個沿著行方向DR1延伸的圖案132a1以及多個沿著列方向DR2延伸的圖案132a2所構成。同樣地，構成第二感測電極134的各個第二導線134a分別是由多個沿著行方向DR1延伸的圖案134a1以及多個沿著列方向DR2延伸的圖案134a2所構成。As shown in FIG. 5A, the pixels P of the display panel 100 may be arranged in an array along the row direction DR1 and the column direction DR2, and each of the first conductive lines 132a constituting the first sensing electrode 132 is formed by a plurality of rows along the row direction. The pattern 132a1 extended by DR1 and a plurality of patterns 132a2 extended along the column direction DR2 are configured. Similarly, each of the second conductive lines 134a constituting the second sensing electrode 134 is composed of a plurality of patterns 134a1 extending along the row direction DR1 and a plurality of patterns 134a2 extending along the column direction DR2.

請參照圖5A與圖5B，在第一感測電極132與第二感測電極134交錯的鄰近區域(proximity area)中，第一導線132a與第二導線134a可具有階梯狀圖案，而此階梯狀圖案是由前述的圖案132a2、134a2、132a1、134a1所構成。承上述，階梯圖案可有助於讓第一感測電極132以及第二感測電極134不與畫素P重疊。Please refer to FIG. 5A and FIG. 5B. In a proximity area where the first sensing electrode 132 and the second sensing electrode 134 intersect, the first conductive line 132a and the second conductive line 134a may have a stepped pattern, and this step The shape pattern is composed of the aforementioned patterns 132a2, 134a2, 132a1, and 134a1. Following the above, the step pattern can help the first sensing electrode 132 and the second sensing electrode 134 not to overlap the pixel P.

第三實施例Third embodiment

圖6為依據本發明第三實施例的感測顯示裝置的剖面示意圖。請參照圖6，本實施例的感測顯示裝置200與第一實施例的感測顯示裝置100類似，感測顯示裝置200可進一步包括蓋體140，此蓋體140覆蓋封裝層120以及感測線路層130，蓋體140的厚度T2可介於10微米至120微米之間。在其它實施例中，蓋體140的厚度T2例如是介於12微米至60微米之間。FIG. 6 is a schematic cross-sectional view of a sensing display device according to a third embodiment of the present invention. Referring to FIG. 6, the sensing display device 200 in this embodiment is similar to the sensing display device 100 in the first embodiment. The sensing display device 200 may further include a cover 140 that covers the encapsulation layer 120 and the sensing line. The thickness T2 of the circuit layer 130 and the cover 140 may be between 10 μm and 120 μm. In other embodiments, the thickness T2 of the cover 140 is, for example, between 12 microns and 60 microns.

蓋體140的厚度T2決定了第一感測電極132與蓋體140的感測表面140a之間的距離D2或第二感測電極134與蓋體140的感測表面140a之間的距離D2。在一些實施例中，蓋體140與感測線路層130之間可不具有其它薄膜，故前述的距離D2可實質上等於蓋體140的厚度T2（例如介於10微米至120微米之間）。在其他實施例中，蓋體140與感測線路層130之間可進一步具有其它薄膜（例如黏著層、阻障層、保護層等），故前述的距離D2可大於蓋體140的厚度T2，而此距離D2仍然介於10微米至120微米之間。The thickness T2 of the cover 140 determines the distance D2 between the first sensing electrode 132 and the sensing surface 140a of the cover 140 or the distance D2 between the second sensing electrode 134 and the sensing surface 140a of the cover 140. In some embodiments, there may be no other film between the cover 140 and the sensing circuit layer 130, so the aforementioned distance D2 may be substantially equal to the thickness T2 of the cover 140 (for example, between 10 μm and 120 μm). In other embodiments, there may be other films (such as an adhesive layer, a barrier layer, a protective layer, etc.) between the cover 140 and the sensing circuit layer 130, so the aforementioned distance D2 may be greater than the thickness T2 of the cover 140, The distance D2 is still between 10 microns and 120 microns.

值得注意的是，第二實施例中所述的第一感測電極132與第二感測電極134的設計（即圖5A與圖5B）可應用於本實施例的感測顯示裝置100、200之中。It is worth noting that the design of the first sensing electrode 132 and the second sensing electrode 134 described in the second embodiment (ie, FIGS. 5A and 5B) can be applied to the sensing display devices 100 and 200 of this embodiment. In.

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及其均等範圍所界定者為準。Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the appended patent application scope and its equivalent scope.

100、200‧‧‧感測顯示裝置100, 200‧‧‧ sensing display device

110‧‧‧顯示面板110‧‧‧display panel

110a‧‧‧顯示區110a‧‧‧display area

112‧‧‧第一電極層112‧‧‧first electrode layer

112a‧‧‧陽極圖案112a‧‧‧Anode pattern

114‧‧‧第二電極層114‧‧‧Second electrode layer

116‧‧‧顯示介質116‧‧‧Display media

120‧‧‧封裝層120‧‧‧Encapsulation layer

130‧‧‧感測線路層130‧‧‧sensing circuit layer

132‧‧‧第一感測電極132‧‧‧first sensing electrode

132a‧‧‧第一導線132a‧‧‧first lead

132a1、132a2、134a2、134a2‧‧‧圖案132a1, 132a2, 134a2, 134a2 ‧‧‧ patterns

134‧‧‧第二感測電極134‧‧‧Second sensing electrode

134a‧‧‧第二導線134a‧‧‧Second Conductor

136‧‧‧絕緣圖案136‧‧‧ insulation pattern

140‧‧‧蓋體140‧‧‧ cover

140a‧‧‧感測表面140a‧‧‧Sensing surface

C‧‧‧導電層C‧‧‧ conductive layer

D1、D2‧‧‧距離D1, D2‧‧‧ distance

DR1‧‧‧行方向DR1‧‧‧ direction

DR2‧‧‧列方向DR2‧‧‧column direction

L、L’‧‧‧線寬L, L’ ‧‧‧ line width

P‧‧‧畫素P‧‧‧Pixels

S‧‧‧間距S‧‧‧Pitch

SUB‧‧‧基板SUB‧‧‧ substrate

T1、T2‧‧‧厚度T1, T2‧‧‧thickness

X‧‧‧位置X‧‧‧ position

圖1為依據本發明第一實施例的感測顯示裝置的剖面示意圖。 圖2為圖1中感測線路層的上視示意圖。 圖3為第一感測電極與其相對應的第二感測電極的局部示意圖。 圖4為第一感測電極與第二感測電極的線寬、封裝層的最小厚度以及所產生的電容值(capacitance)的關係圖。 圖5A為依據本發明第二實施例的第一感測電極、第二感測電極以及畫素的上視示意圖。 圖5B為圖5A中位置X的局部放大示意圖。 圖6為依據本發明第三實施例的感測顯示裝置的剖面示意圖。FIG. 1 is a schematic cross-sectional view of a sensing display device according to a first embodiment of the present invention. FIG. 2 is a schematic top view of the sensing circuit layer in FIG. 1. FIG. 3 is a partial schematic diagram of a first sensing electrode and a corresponding second sensing electrode. FIG. 4 is a relationship diagram between the line width of the first sensing electrode and the second sensing electrode, the minimum thickness of the packaging layer, and the generated capacitance. 5A is a schematic top view of a first sensing electrode, a second sensing electrode, and pixels according to a second embodiment of the present invention. FIG. 5B is a partially enlarged schematic view of position X in FIG. 5A. FIG. 6 is a schematic cross-sectional view of a sensing display device according to a third embodiment of the present invention.

Claims (17)

一種感測顯示裝置，包括： 顯示面板，具有顯示區； 封裝層，包覆所述顯示面板，所述封裝層的最小厚度介於1微米至10微米之間； 感測線路層，配置於所述封裝層上，所述感測線路層的佈局面積與所述顯示區的面積比值介於3%至15%之間；以及 蓋體，覆蓋所述封裝層以及所述感測線路層，所述蓋體的厚度介於10微米至120微米之間。A sensing display device includes: a display panel having a display area; a packaging layer covering the display panel, the minimum thickness of the packaging layer being between 1 micrometer and 10 micrometers; On the packaging layer, a ratio of a layout area of the sensing circuit layer to an area ratio of the display area is between 3% and 15%; and a cover body covering the packaging layer and the sensing circuit layer, The thickness of the cover is between 10 microns and 120 microns. 如申請專利範圍第1項所述的感測顯示裝置，其中所述顯示面板包括第一電極層、第二電極層以及顯示介質，所述顯示介質位於所述第一電極層與所述第二電極層之間，且所述第二電極層位於所述顯示介質與所述封裝層之間。The sensing display device according to item 1 of the scope of patent application, wherein the display panel includes a first electrode layer, a second electrode layer, and a display medium, and the display medium is located between the first electrode layer and the second electrode layer. Between the electrode layers, and the second electrode layer is located between the display medium and the encapsulation layer. 如申請專利範圍第2項所述的感測顯示裝置，其中所述顯示面板包括有機電激發光型態的顯示面板，所述第一電極層包括主動元件陣列，所述主動元件陣列包括多個陣列排列的陽極圖案，而所述第二電極層包括共用陰極層，且所述顯示介質包括有機電激發光層。The sensing display device according to item 2 of the scope of patent application, wherein the display panel includes a display panel of an organic electroluminescent type, the first electrode layer includes an active device array, and the active device array includes An anode pattern arranged in an array, the second electrode layer includes a common cathode layer, and the display medium includes an organic electro-excitation light layer. 如申請專利範圍第1項所述的感測顯示裝置，其中所述封裝層包括至少一介電層。The sensing display device according to item 1 of the patent application scope, wherein the packaging layer includes at least one dielectric layer. 如申請專利範圍第1項所述的感測顯示裝置，其中所述顯示面板包括分佈於所述顯示區內的多個畫素，所述感測線路層與所述畫素不重疊。The sensing display device according to item 1 of the scope of patent application, wherein the display panel includes a plurality of pixels distributed in the display area, and the sensing circuit layer does not overlap the pixels. 如申請專利範圍第1項所述的感測顯示裝置，其中所述蓋體具有感測表面，所述感測線路層與所述蓋體的所述感測表面之間的距離介於10微米至120微米之間。The sensing display device according to item 1 of the patent application scope, wherein the cover has a sensing surface, and a distance between the sensing circuit layer and the sensing surface of the cover is between 10 microns To 120 microns. 一種感測顯示裝置，包括： 顯示面板，具有顯示區， 且所述顯示面板包括至少一導體層； 封裝層，包覆所述顯示面板；以及 感測線路層，配置於所述封裝層上，所述感測線路層的佈局面積與所述顯示區的面積比值介於3%至15%之間，且所述導體層與所述感測線路層之間的距離介於1微米至10微米之間。A sensing display device includes: a display panel having a display area , and the display panel includes at least one conductive layer; an encapsulating layer covering the display panel; and a sensing circuit layer disposed on the encapsulating layer, The ratio of the layout area of the sensing circuit layer to the area of the display area is between 3% and 15%, and the distance between the conductor layer and the sensing circuit layer is between 1 micrometer and 10 micrometers. between. 如申請專利範圍第7項所述的感測顯示裝置，其中所述感測線路層包括彼此相互電性絕緣的多個第一感測電極以及多個第二感測電極，且所述第一感測電極或所述第二感測電極與所述導體層之間的距離介於1微米至10微米之間。The sensing display device according to item 7 of the patent application scope, wherein the sensing circuit layer includes a plurality of first sensing electrodes and a plurality of second sensing electrodes that are electrically insulated from each other, and the first The distance between the sensing electrode or the second sensing electrode and the conductor layer is between 1 micrometer and 10 micrometers. 如申請專利範圍第8項所述的感測顯示裝置，其中所述顯示面板包括分佈於所述顯示區內的多個畫素，且所述第一感測電極以及多個第二感測電極與所述畫素不重疊。The sensing display device according to item 8 of the scope of patent application, wherein the display panel includes a plurality of pixels distributed in the display area, and the first sensing electrode and the plurality of second sensing electrodes Does not overlap with the pixels. 如申請專利範圍第7項所述的感測顯示裝置，其中所述顯示面板包括有機電激發光型態的顯示面板，且所述導電層包括共用陰極層。The sensing display device according to item 7 of the scope of patent application, wherein the display panel includes a display panel of an organic electroluminescent type, and the conductive layer includes a common cathode layer. 如申請專利範圍第7項所述的感測顯示裝置，其中所述封裝層包括至少一介電層。The sensing display device according to item 7 of the patent application scope, wherein the packaging layer includes at least one dielectric layer. 如申請專利範圍第7項所述的感測顯示裝置，更包括蓋體，其中所述蓋體覆蓋所述封裝層以及所述感測線路層，且所述蓋體具有感測表面。The sensing display device according to item 7 of the scope of patent application, further comprising a cover, wherein the cover covers the packaging layer and the sensing circuit layer, and the cover has a sensing surface. 如申請專利範圍第12項所述的感測顯示裝置，其中所述感測線路層與所述感測表面之間的距離介於10微米至120微米之間。The sensing display device according to item 12 of the application, wherein a distance between the sensing circuit layer and the sensing surface is between 10 micrometers and 120 micrometers. 一種感測顯示裝置，包括： 顯示面板，具有顯示區，且所述顯示面板包括第一電極層、第二電極層以及顯示介質，所述顯示介質位於所述第一電極層與所述第二電極層之間； 封裝層，包覆所述顯示面板，且所述第二電極層位於所述顯示介質與所述封裝層之間； 感測線路層，配置於所述封裝層上，所述感測線路層的佈局面積與所述顯示區的面積比值介於3%至15%之間，其中所述感測線路層包括彼此相互電性絕緣的多個第一感測電極以及多個第二感測電極，且所述感測線路層與所述第二電極層之間的距離介於1微米至10微米之間；以及 蓋體，其中所述蓋體覆蓋所述封裝層以及所述感測線路層，所述蓋體具有感測表面，所述感測線路層與所述蓋體的所述感測表面之間的距離介於10微米至120微米之間。A sensing display device includes a display panel having a display area, and the display panel includes a first electrode layer, a second electrode layer, and a display medium, and the display medium is located on the first electrode layer and the second electrode layer. Between the electrode layers; an encapsulation layer covering the display panel, and the second electrode layer is located between the display medium and the encapsulation layer; a sensing circuit layer is disposed on the encapsulation layer, the The ratio of the layout area of the sensing circuit layer to the area of the display area is between 3% and 15%. The sensing circuit layer includes a plurality of first sensing electrodes and a plurality of first sensing electrodes that are electrically insulated from each other. Two sensing electrodes, and a distance between the sensing circuit layer and the second electrode layer is between 1 micrometer and 10 micrometers; and a cover body, wherein the cover body covers the encapsulation layer and the A sensing circuit layer, the cover has a sensing surface, and a distance between the sensing circuit layer and the sensing surface of the cover is between 10 micrometers and 120 micrometers. 如申請專利範圍第14項所述的感測顯示裝置，其中所述顯示面板包括有機電激發光型態的顯示面板，所述第一電極層包括主動元件陣列，所述主動元件陣列包括多個陣列排列的陽極圖案，而所述第二電極層包括共用陰極層，且所述顯示介質包括有機電激發光層。The sensing display device according to item 14 of the scope of patent application, wherein the display panel includes a display panel of an organic electro-excitation light type, the first electrode layer includes an active element array, and the active element array includes a plurality of An anode pattern arranged in an array, the second electrode layer includes a common cathode layer, and the display medium includes an organic electro-excitation light layer. 如申請專利範圍第14項所述的感測顯示裝置，其中所述顯示面板包括分佈於所述顯示區內的多個畫素，且所述第一感測電極以及多個第二感測電極與所述畫素不重疊。The sensing display device according to item 14 of the application, wherein the display panel includes a plurality of pixels distributed in the display area, and the first sensing electrode and the plurality of second sensing electrodes Does not overlap with the pixels. 如申請專利範圍第14項所述的感測顯示裝置，其中所述封裝層包括至少一介電層。The sensing display device according to item 14 of the patent application scope, wherein the packaging layer includes at least one dielectric layer.
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