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TW201337701A - 對力及位置敏感之顯示器 - Google Patents

對力及位置敏感之顯示器 Download PDF

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TW201337701A
TW201337701A TW102105214A TW102105214A TW201337701A TW 201337701 A TW201337701 A TW 201337701A TW 102105214 A TW102105214 A TW 102105214A TW 102105214 A TW102105214 A TW 102105214A TW 201337701 A TW201337701 A TW 201337701A
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force
touch sensor
touch
conductive trace
drive
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TW102105214A
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TWI554925B (zh
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Steve P Hotelling
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Apple Inc
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING 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
    • G06F3/0447—Position sensing using the local deformation of sensor cells
    • 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
    • G06F2203/04101—2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
    • 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
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • 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
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
    • 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)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

一種提供力及位置之偵測之設備包括一第一透明基板(具有在一第一方向上定向之第一及第二組導電跡線)、一第二透明基板(具有在一第二方向上定向之第三組導電跡線)，及配置於第一透明基板與第二透明基板之間的複數個可變形部件(例如，橡膠珠粒)。該第一組導電跡線與該第二透明元件之導電跡線結合提供一表示使用者觸摸顯示元件之位置的電容信號。該第二組導電跡線與該第二透明元件之導電跡線結合提供一表示施加至該顯示元件之力之量的電容信號。當連同一顯示元件(例如，LCD或CRT)而使用時，提供能夠進行位置感應及力感應操作之輸入輸出設備。

Description

對力及位置敏感之顯示器
本發明大體而言係關於電子系統輸入及輸出裝置，且更特定言之，其係關於偵測使用者之觸摸及觸摸之力(輸入)之顯示設備(輸出)。
現今存在許多式樣之用於在電腦系統中執行操作的輸入裝置。該等操作一般包括在顯示螢幕上移動游標及/或作出選擇。以實例方式，輸入裝置可包括按鈕或按鍵、滑鼠、軌跡球、觸控板、操縱桿及觸控螢幕。尤其，觸控螢幕正由於其操作之簡易性及多功能性以及其下降之價格而變得愈加風行。觸控螢幕允許使用者藉由僅經由手指或尖筆而觸摸顯示螢幕來作出選擇及移動游標。一般而言，觸控螢幕識別觸摸及觸摸在顯示螢幕上之位置且電腦系統解譯觸摸且此後基於觸摸事件而執行一動作。
觸控螢幕通常包括觸控面板、控制器及軟體驅動器。觸控面板為具有對觸摸敏感之表面的透明面板且位於顯示螢幕之前以使得對觸摸敏感之表面覆蓋顯示螢幕之可見區。觸控面板暫存觸摸事件且將此等信號發送至控制器。控制器處理此等信號且將資料發送至電腦系統。軟體驅動器將觸摸事件轉譯為電腦事件。
存在若干類型之觸控螢幕技術，包括電阻性、電容性、紅外線、表面聲波、電磁、近場成像等等。此等裝置中之每一者具有在設計或組態觸控螢幕時納入考慮之優勢及劣勢。在電阻性技術中，用較薄金 屬導電性及電阻性層塗佈觸控面板。當觸摸面板時，該等層接觸，藉此閉合暫存觸摸事件之位置的"開關"。將此資訊發送至控制器以進行進一步處理。在電容性技術中，用儲存電荷之材料塗佈觸控面板。當觸摸面板時，將少量電荷吸引至接觸點。與面板共同定位之電路量測電荷且將資訊發送至控制器以進行處理。
在表面聲波技術中，例如，由傳感器在觸控螢幕面板上水平地且垂直地發送超聲波。當觸摸面板時，吸收波之聲能。定位於傳感器對面之感應器偵測此改變且將資訊發送至控制器以進行處理。在紅外線的技術中，例如，由發光二極體在觸控面板上水平地且垂直地發送光束。當觸摸面板時，中斷了自發光二極體發射之光束中之一些。定位於發光二極體對面之光偵測器偵測此改變且將此資訊發送至控制器以進行處理。
此等技術之一缺點在於其一般不提供壓力資訊或力資訊。力資訊可用以獲得關於使用者如何操縱裝置之較穩固的指示。亦即，力資訊可用作另一輸入維數以用於將指令及控制信號提供至相關聯之電子裝置(例如，平板電腦系統、個人數位助理或行動電話)。此等技術之另一問題在於即使當多個物件置放於感應表面上，此等技術亦僅能夠報告單一點。亦即，其缺乏同時追蹤多個接觸點之能力。因此，提供能夠偵測觸摸之位置及施加觸摸之力的輸入顯示設備將為有益的。
提供力及位置之偵測之設備包括第一透明基板(具有在第一方向上定向之第一及第二組導電跡線)、第二透明基板(具有在第二方向上定向之第三組導電跡線)及並置於第一與第二透明基板之間的複數個可變形部件(例如，橡膠珠粒)。第一組導電跡線與第二透明元件之導電跡線結合經配置以提供表示使用者觸摸顯示元件之位置的電容信號。第二組導電跡線與第二透明元件之導電跡線結合經組態以提供表 示施加至顯示元件之力之量的電容信號。在一實施例中，第二透明基板包括第四複數個導電跡線(在第二方向上定向)，其中之每一對使第三複數個導電跡線之集合分離。在另一實施例中，兩個透明基板形成封閉容積，可用液體填充該封閉體積以減輕可變形部件之視覺假影。可將所描述之對力及位置敏感之設備鄰接於顯示元件(例如，LCD或CRT)，使得提供位置感應及力感應之顯示設備為可能的。
100‧‧‧力及位置顯示設備/顯示器
105‧‧‧力及觸摸單元
110‧‧‧顯示元件
115‧‧‧控制器
120‧‧‧使用者
200‧‧‧透明基板
205‧‧‧透明基板
210‧‧‧導電跡線
215‧‧‧導電跡線
220‧‧‧容積
225‧‧‧可壓縮介質元件
400‧‧‧像素板/電容板
405‧‧‧驅動框架
410‧‧‧反轉驅動線
415‧‧‧絕緣障壁
420‧‧‧感應線/力偵測跡線/導電路徑
425‧‧‧感應線/位置偵測跡線/位置感應路徑
430‧‧‧輸出襯墊/跡線
435‧‧‧輸出襯墊/跡線
440‧‧‧輸出襯墊
445‧‧‧輸出襯墊/感應襯墊
450‧‧‧輸出襯墊
600‧‧‧對力及位置敏感之顯示設備
605‧‧‧驅動電路
610‧‧‧感應電路
615‧‧‧反轉驅動線
620‧‧‧反轉驅動線
625‧‧‧反轉驅動線
630‧‧‧驅動框架
635‧‧‧驅動框架
圖1以方塊圖之形式展示根據本發明之一實施例的顯示設備。
圖2以方塊圖之形式展示根據本發明之一實施例的力及觸摸單元。
圖3A及圖3B展示根據本發明之一實施例之可壓縮介質元件的各種視圖。
圖4展示根據本發明之一實施例之導電跡線的布局。
圖5A及圖5B展示圖4中所闡述之架構的放大圖。
圖6以示意形式展示根據本發明之一實施例的對力及觸摸敏感之顯示器。
以下描述經呈現以使熟習此項技術者能夠製作並使用所主張之本發明且以下描述係在下文所討論之特定實例之情形下而提供，本發明之變化對於熟習此項技術者將為顯而易見的。因此，本文隨附之申請專利範圍並非旨在限制於所揭示之實施例，而是與本文所揭示之原理及特徵最廣泛地一致。
參看圖1，根據本發明之一實施例之力及位置顯示設備100包含新穎之力及觸摸單元105、顯示元件110及控制器115。如圖所示，將單元105並置於顯示元件110之前(自使用者120之觀點)。舉例而言，可將單元105層疊於顯示元件110之前。說明性顯示元件110包括(但不限於)各 種類型之液晶顯示器("LCD")、電漿顯示器及陰極射線管("CRT")。在功能上，控制器115與先前技術之控制器類似之處在於其提供信號以驅動單元105且將自單元105接收之信號中繼至主機電腦(未圖示)及/或處理該等信號。該等信號表示使用者120用以觸摸顯示器100之位置及力的大小。在另一實施例中，顯示設備100可包括(例如)單元105與顯示元件110之間的偏光器元件。或者，可將偏光器置放於單元105外側以增強顯示設備之感知對比率。
參看圖2，圖1之新穎之力及觸摸單元105包含第一及第二透明基板(200及205)，第一及第二透明基板中之每一者使導電跡線(210及215)之一圖案鄰接於一表面且第一及第二透明基板由容積220分離。容積220包括複數個可壓縮介質元件225，其允許基板200及205在使用者120按壓於顯示器100上時移動地彼此更為接近。結合來自控制器115(見圖1)之驅動信號與導電跡線210及215，在基板200與205之間的間隔變化時，跡線210與215之間的互電容亦變化。由控制器115偵測到之電容信號之變化表示使用者120觸摸顯示器100之位置及力的大小。
在一實施例中，透明基板200及205包含厚度在約0.3至0.5毫米("mm")之間的玻璃或光學透明塑膠且可為通常在液晶顯示器中使用之類型。導電跡線210及215包含圖案化之氧化銦錫或某一其他光學透明或半透明之導體。可壓縮介質元件225可(例如)包含彈性體圓點或珠粒之形式的聚胺基甲酸酯或聚矽氧橡膠。
已發現可使用具有上文所鑑定之厚度且分離約2與20微米("μm")之間的玻璃基板而易於偵測導電跡線210與215之間的電容變化。相應地，在一實施例中，可壓縮介質元件225包含跨越自基板200至基板205之間隙(減去導電跡線210及215之厚度)的彈性體圓點。以實例方式，若基板200以10 μm而與基板205分離，則可如圖3A及圖3B中所示而配置並隔開可壓縮介質元件。在一實施例中，可經由光微影或絲網製程 而將可壓縮介質元件施加至基板200或205。在另一實施例中，可將可壓縮介質元件施加至基板200及205兩者。在該後一實施例中，可將形成於第一基板(例如，基板200)上之圓點或珠粒並置於形成於第二基板(例如，基板205)上之圓點或珠粒之間，使得，共同地，將建構圖3中所說明之圖案。一般熟習此項技術者將認識到在不脫離本文中描述之概念的情況下，其他圖案為可能的。
雖然未作要求，但在一實施例中，以允許流體填充基板200(及導電跡線210)與基板205(及導電跡線215)之間的區域之方式來封閉容積220。此組態之一益處在於流體之折射率可與可壓縮介質元件之折射率匹配。在完成此情形時，司乃耳(Snell)定律確保可壓縮介質元件自使用者之視點將看起來似乎消失且因此不使使用者之視線自正呈現於顯示元件110上之內容轉移。一說明性光學流體為購自SantoLight之SL-5267。一般熟習此項技術者將認識到可將薄膜反射塗層施加至每一界面以減小光損失且減輕折射失真。說明性抗反射塗層可含有氟化鎂、氧化鋁等等且通常以約50至200奈米之厚度而施加。
參看圖4，根據本發明之一實施例而展示導電跡線210及215之布局。在所說明之實施例中，"頂部"跡線210(亦即，最接近使用者120之跡線)包含像素板400之列、驅動框架405及反轉驅動線410，其中每一者由不具有導電材料之區域415電隔離。"底部"跡線215(亦即，最遠離使用者120之跡線)包含與力偵測操作相關聯之感應線(420)及與位置偵測操作相關聯之感應線(425)。如所說明之實施例中所示，每一力偵測跡線420具有輸出襯墊(430、435及440)，而複數個位置偵測跡線425共用共同輸出襯墊(445及450)。
參看圖5A及圖5B，提供圖4之架構之更詳細之視圖。對於一實施例，在表1中列出圖5A及圖5B中所鑑定之尺寸"a"至"h"。
應認識到每一元件之精確大小為可由顯示區(例如，設備100)之大小及所要解析度判定之設計決策。亦應認識到重疊之導電跡線210(例如，跡線425)及215(例如，跡線430及435)形成以前述申請中之專利申請案中所描述的方式操作之電容性元件。
應注意，在圖4及圖5中所說明之架構中，跡線210大體上覆蓋透明基板200之一表面，而跡線215僅最低程度地覆蓋透明基板205之一表面。因此，使用者可看出由大體上用導電跡線塗佈之基板200之表面與僅最低程度地塗佈之基板205之表面之間的折射率之差異引起的視覺假影。為了減小此等視覺假影，已發現用具有與導電跡線材料之折射率類似之折射率的透明或半透明導電跡線材料連續地塗佈基板205之表面為有益的。舉例而言，可用相同導電材料塗佈基板205之包括跡線215(例如，跡線420及425)之同一表面，只要此塗層與跡線215電隔離。此可(例如)藉由在每一跡線215周圍提供絕緣障壁(例如，415)而完成。適於此目的之其他說明性材料包括(但不限於)氧化鋁、氧化鈧或購自Brewer Science之optiNDEX(聚合物塗層)。
參看圖6，以示意形式展示對力及位置敏感之顯示設備600之部分。根據本發明之一實施例，在操作期間，驅動電路605順序地激勵反轉驅動線與驅動框架之每一組合，同時經由感應電路610而同時地感應 所有力及位置相關聯之跡線。舉例而言，在第一時期(T1)期間，藉由具有第一極性之脈衝串來驅動反轉驅動線615及620，而藉由具有相反極性之脈衝串來驅動該驅動框架630。在此情形發生時，感應電路610"讀取"或感應其跨越顯示器之所有行之輸入中的每一者。在第二時期(T2)期間，藉由具有第一極性之脈衝串來驅動反轉驅動線620及625，而藉由具有相反極性之脈衝串來驅動該驅動框架635。在時期T2期間，感應電路610再次讀取其輸入中之每一者。重複此過程直至該顯示設備中的所有列均已被驅動，此後，該過程重複。如所述，每一像素產生與位置量測(例如，經由共同感應襯墊445)相關之一個信號及與力量測(例如，自襯墊430及435)相關之兩個信號。在一實施例中，將所量測之力信號之平均值用作力信號。在另一實施例中，使用兩個信號中之最大(或最小)者。
在一實施例中，每一脈衝串包含12個脈衝(0至18伏特)，其具有50%之工作週期及約100與300千赫("KHz")之間的頻率。在圖6之實施例中，將感應電路610展示為同時讀取所有行輸入。然而，應認識到，此情形並非係必要的。舉例而言，可對感應一列之電容信號變化的操作進行多工，使得對於每一列(例如，反轉驅動線615及620以及驅動框架640)而言，在第一時期期間感應行之第一部分，在第二時期期間感應行之第二部分等等，直至感應了所有行。在完成此過程後，可激勵下一組反轉驅動線及驅動框架。
根據本發明，圖4、圖5及圖6之說明性架構在每一掃描操作期間(見上文之討論)對於每一像素提供兩個值。第一值表示歸因於使用者觸摸顯示設備之位置的電容。此值應盡可能地獨立於力。第二值表示施加至顯示設備之力。此值應盡可能獨立於施加該力之位置。配置驅動框架405、反轉驅動線410以及感應線420及425之配置以提供此獨立性。舉例而言，應認識到，驅動框架(例如，405)與力輸出線(例如，導電路 徑420中之一者)之間的互電容與其重疊面積(例如，30 μm×4.5 mm)成正比且與板之間隔(例如，無力情況下10 μm及全力情況下7 μm)成反比。相同情況適用於每一反轉驅動線。然而，由於藉由相反極性之信號來驅動該驅動框架與反轉驅動線，因此其傾向於彼此起反作用(亦即，不同極性傾向於反作用於在感應路徑與驅動框架之間及感應路徑與反轉驅動線之間轉移之電荷)。因此，在所說明之實施例中，反轉驅動線用以消除歸因於與驅動框架405之"側邊"重疊之位置感應路徑425的電荷轉移中之一些。因此，反轉驅動線之使用確保位置及力輸出信號大體上係獨立的。
在不脫離以下申請專利範圍之範疇的情況下，材料、組件、電路元件及所說明之操作方法之細節的各種變化係可能的。
100‧‧‧力及位置顯示設備/顯示器
105‧‧‧力及觸摸單元
110‧‧‧顯示元件
115‧‧‧控制器
120‧‧‧使用者

Claims (19)

  1. 一種力及觸摸感測器，其包含：第一及第二導電跡線層；及插入於該第一與該第二導電跡線層之間的可變形部件；其中該等第一及第二導電跡線層中之一者係經組態以與一物件電容性耦接以偵測一觸摸位置；及其中該等第一及第二導電跡線層係經組態以彼此電容性耦接以偵測施加至該感測器的一力之量。
  2. 如請求項1之力及觸摸感測器，其進一步包含形成於該第一導電跡線層上之驅動線。
  3. 如請求項2之力及觸摸感測器，其進一步包含形成於該第一導電跡線層上之反轉驅動線，且該反轉驅動線經組態以使該觸摸位置與該力之量實質上彼此獨立。
  4. 如請求項3之力及觸摸感測器，其中該力及觸摸感測器係一包含一驅動電路之力及觸摸感測系統之部分，該驅動電路係經組態以驅動相反極性之信號至驅動框架及該等反轉驅動線上。
  5. 如請求項4之力及觸摸感測器，其中該驅動電路係進一步經組態以在連續時期中反轉經驅動至該等驅動框架及反轉驅動線上該等信號之一極性。
  6. 如請求項1之力及觸摸感測器，其進一步包含形成於該第二導電跡線層上之第一及第二組感應線。
  7. 如請求項6之力及觸摸感測器，其中該第一組感應線係經組態以產生一或多個指示該觸摸位置之信號，及該第二組感應線係經組態以產生一或多個指示該經施加的力之信號。
  8. 如請求項7之力及觸摸感測器，其中複數個該第一組感應線係在 一單一輸出襯墊處耦接在一起。
  9. 如請求項1之力及觸摸感測器，其進一步包含：形成於該第一導電跡線層上之驅動框架及反轉驅動線；及形成於該第二導電跡線層上之第一及第二組感應線；其中該反轉驅動線係在一第一方向上定向且該等第一及第二組感應線係在一第二方向上定向。
  10. 如請求項9之力及觸摸感測器，其中該第一方向與該第二方向實質上正交。
  11. 如請求項9之力及觸摸感測器，其中該等驅動框架之一第一部分係定向於該第一方向，且該等驅動框架之一第二部分係定向於該第二方向。
  12. 如請求項11之力及觸摸感測器，其中該第二組感應線係經組態以產生一或多個指示該經施加的力之信號，且該第二組感應線之至少一部分與該等驅動框架之該第二部分重疊。
  13. 如請求項11之力及觸摸感測器，其中該第一組感應線係經組態以產生一或多個指示一觸摸位置之信號，且該第一組感應線之至少一部分與該等驅動框架之該第一部分重疊。
  14. 如請求項1之力及觸摸感測器，其中該等第一及第二導電跡線層係形成於第一及第二透明基板上。
  15. 如請求項1之力及觸摸感測器，其中該等可變形部件係位於該等第一與第二導電跡線層之間之一密封容積中。
  16. 如請求項15之力及觸摸感測器，其中該密封容積係實質上用一具有一折射率之流體而填充。
  17. 如請求項16之力及觸摸感測器，其中該流體之該折射率實質上等於該等可變形部件之一折射率。
  18. 如請求項1之力及觸摸感測器，其進一步包含鄰接於該力及觸摸 感測器之至少一表面之一偏光器元件。
  19. 如請求項18之力及觸摸感測器，其中該偏光器元件包含一光學塗層。
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CN101436111A (zh) 2009-05-20
EP1840715A2 (en) 2007-10-03
TWI554925B (zh) 2016-10-21
JP2007272898A (ja) 2007-10-18
CN101436111B (zh) 2012-08-15
US20090231305A1 (en) 2009-09-17
TWI341980B (en) 2011-05-11
JP5611282B2 (ja) 2014-10-22
TW201115392A (en) 2011-05-01
US9069404B2 (en) 2015-06-30
US7538760B2 (en) 2009-05-26
US20070229464A1 (en) 2007-10-04
CN101046720A (zh) 2007-10-03
CN100485597C (zh) 2009-05-06
EP2853994A2 (en) 2015-04-01
US20150286332A1 (en) 2015-10-08

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