TWI456594B - 透明導電性膜及觸控面板 - Google Patents

透明導電性膜及觸控面板 Download PDF

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Publication number
TWI456594B
TWI456594B TW100137770A TW100137770A TWI456594B TW I456594 B TWI456594 B TW I456594B TW 100137770 A TW100137770 A TW 100137770A TW 100137770 A TW100137770 A TW 100137770A TW I456594 B TWI456594 B TW I456594B
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Taiwan
Prior art keywords
transparent conductive
dielectric layer
conductive film
layer
refractive index
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TW100137770A
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English (en)
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TW201220327A (en
Inventor
Kazuhiro Nakajima
Tomotake Nashiki
Hideo Sugawara
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Nitto Denko Corp
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0444—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single conductive element covering the whole sensing surface, e.g. by sensing the electrical current flowing at the corners
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—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; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]

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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)
  • Quality & Reliability (AREA)
  • Laminated Bodies (AREA)
  • Non-Insulated Conductors (AREA)
  • Position Input By Displaying (AREA)
  • Physical Vapour Deposition (AREA)

Claims (15)

  1. 一種透明導電性薄膜，其係於透明薄膜基材上依序具有第1介電體層、第2介電體層、及透明導電層，第1介電體層之厚度d21 大於第2介電體層之厚度d22 ，第1介電體層之厚度d21 為8~40 nm，第2介電體層之厚度d22 為3~25 nm，第1介電體層之厚度d21 與第2介電體層之厚度d22 的厚度差d21 -d22 為3~30 nm。
  2. 如請求項1之透明導電性薄膜，其中至少透明導電層經圖案化，包含不具有透明導電層之圖案開口部及具有透明導電層之圖案部。
  3. 如請求項2之透明導電性薄膜，其中第2介電體層與透明導電層同樣進行圖案化。
  4. 如請求項2或3之透明導電性薄膜，其中對圖案部照射白色光時之反射光與對圖案開口部之正下方照射白色光時之反射光的反射率差ΔR為1%以下，且色差ΔE為6.7以下。
  5. 如請求項1之透明導電性薄膜，其中第1介電體層之折射率大於第2介電體層之折射率。
  6. 如請求項1之透明導電性薄膜，其中第1介電體層係藉由濕式塗佈而形成。
  7. 如請求項1之透明導電性薄膜，其中第2介電體層係藉由濕式塗佈而形成。
  8. 如請求項1之透明導電性薄膜，其中透明薄膜基材之折射率n1 、第1介電體層之折射率n21 、第2介電體層之折射率n22 、及透明導電層之折射率n3 滿足n22 <n21 <n1 <n3 之關係。
  9. 如請求項1之透明導電性薄膜，其中透明導電層之折射率n3 與第2介電體層之折射率n22 之差n3 -n22 為0.1以上。
  10. 如請求項1之透明導電性薄膜，其中第1介電體層之折射率n21 為1.5~1.7，第2介電體層之折射率n22 為1.4~1.5。
  11. 如請求項2或3之透明導電性薄膜，其中圖案部之光學厚度之合計與圖案開口部之光學厚度之合計的差為35 nm~90 nm。
  12. 一種透明導電性薄膜，其以至少於單面配置有透明導電層之方式經由透明黏著劑層而積層有至少2片如請求項1之透明導電性薄膜。
  13. 一種透明導電性薄膜，其以於單面配置有透明導電層之方式於如請求項1之透明導電性薄膜之單面經由透明黏著劑層而貼合透明基體。
  14. 一種觸控面板，其具備如請求項1之透明導電性薄膜。
  15. 如請求項14之觸控面板，其為投影型靜電電容方式或矩陣型電阻膜方式。
TW100137770A 2010-11-04 2011-10-18 透明導電性膜及觸控面板 TWI456594B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010247550 2010-11-04
JP2011135443A JP5739742B2 (ja) 2010-11-04 2011-06-17 透明導電性フィルムおよびタッチパネル

Publications (2)

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TW201220327A TW201220327A (en) 2012-05-16
TWI456594B true TWI456594B (zh) 2014-10-11

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US (1) US9513747B2 (zh)
JP (1) JP5739742B2 (zh)
KR (2) KR20120047828A (zh)
CN (2) CN202502768U (zh)
TW (1) TWI456594B (zh)

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JP5739742B2 (ja) 2015-06-24
US9513747B2 (en) 2016-12-06
US20120114919A1 (en) 2012-05-10
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TW201220327A (en) 2012-05-16
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