JP2022037855A - タッチパネル、タッチパネルの製造方法及びそのデバイス - Google Patents
タッチパネル、タッチパネルの製造方法及びそのデバイス Download PDFInfo
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Classifications
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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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/044—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
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- 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
-
- 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
- G06F2203/04112—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)
- Laminated Bodies (AREA)
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Abstract
Description
110 基板
120 金属ナノワイヤ層
122 金属ナノワイヤ
130 膜層
140 被覆構造
150 周辺トレース
170 タッチ感知電極
172 第1のタッチ感知電極
174 第2のタッチ感知電極
180 非導電性領域
190 保護層
220 複合構造
B1、B2 境界
BR 曲げ領域
L 細線
L1 第1の部分
L2 第2の部分
NR 非曲げ領域
PA 周辺領域
VA 可視領域
W1、W2、W11、W12 線幅
Claims (15)
- 可視領域及び周辺領域を有し、並びに、曲げ領域及び非曲げ領域を有する基板と、
前記基板の前記周辺領域上に配置された周辺トレースと、
前記基板の前記可視領域上に配置され、前記曲げ領域上に第1の部分を有し、前記非曲げ領域上に第2の部分を有する第1のタッチ感知電極と、を備え、
前記第1のタッチ感知電極は、前記周辺トレースに電気的に接続され、複数の第1の細線が織り合わされたメッシュパターンを有し、
前記周辺トレース及び前記第1のタッチ感知電極の各々は、複数の導電性ナノ構造と、前記導電性ナノ構造の各々の上に付加された膜層とを備え、
前記周辺トレース内及び前記第1のタッチ感知電極の前記第2の部分内の前記導電性ナノ構造の各々と前記膜層との間の界面は、実質的に被覆構造を有する、
タッチパネル。 - 前記被覆構造はめっき層を備え、前記めっき層は、前記導電性ナノ構造の各々と前記膜層との間の前記界面を完全に被覆する、請求項1に記載のタッチパネル。
- 前記膜層は、隣り合う前記導電性ナノ構造の間に充填され、前記膜層は、単独で存在する前記被覆構造を有さない、請求項1又は2に記載のタッチパネル。
- 前記導電性ナノ構造の各々は、金属ナノワイヤを含み、前記被覆構造は、前記金属ナノワイヤと前記膜層との間の界面を完全に被覆し、被覆層は、前記金属ナノワイヤと前記膜層との間の前記界面上に均一に形成される、請求項1~3のいずれか一項に記載のタッチパネル。
- 前記被覆構造は、単一の金属材料若しくは合金材料からなる単層構造、又は2つ以上の金属材料若しくは合金材料からなる二層構造若しくは多層構造である、請求項1~4のいずれか一項に記載のタッチパネル。
- 前記被覆構造は、無電解銅めっき層、電気めっき銅層、無電解銅-ニッケルめっき層、無電解銅-銀めっき層、又はこれらの組み合わせである、請求項1~4のいずれか一項に記載のタッチパネル。
- 前記導電性ナノ構造の各々及び前記膜層は、前記第1の細線の各々に位置する、請求項1~6のいずれか一項に記載のタッチパネル。
- 前記導電性ナノ構造の各々、前記膜層、及び前記被覆構造は、前記第1のタッチ感知電極の前記第2の部分の前記第1の細線の各々に位置する、請求項1~7のいずれか一項に記載のタッチパネル。
- 前記曲げ領域と前記非曲げ領域との間に境界があり、前記境界を横切る前記第1の細線の各々の線幅が、前記境界から遠いものから前記境界に近いものへと徐々に増加する、請求項1~8のいずれか一項に記載のタッチパネル。
- 前記境界を横切る前記第1の細線の各々は、前記境界から遠い第1の部分と前記境界に近い第2の部分とを有し、前記第1の部分の線幅は1μm~5μmであり、前記第2の部分の線幅は5μm~30μmである、請求項9に記載のタッチパネル。
- 前記曲げ領域の前記可視領域と前記周辺領域との間に境界があり、前記境界に隣接する前記第1の細線の線幅の各々が、前記境界から遠いものから前記境界に近いものへと徐々に増加する、請求項1~10のいずれか一項に記載のタッチパネル。
- 前記境界に隣接する前記第1の細線の各々は、前記境界から遠い第1の部分と前記境界に近い第2の部分とを有し、前記第1の部分の線幅は1μm~5μmであり、前記第2の部分の線幅は5μm~30μmである、請求項11に記載のタッチパネル。
- 前記基板は、互いに反対側に向いた第1の表面と第2の表面とを有し、前記第1のタッチ感知電極は、前記基板の前記第1の表面上に配置され、前記タッチパネルはさらに、
前記基板の前記第2の表面上及び前記可視領域上に配置された第2のタッチ感知電極を備え、前記第2のタッチ感知電極は、複数の第2の細線が織り合わされたメッシュパターンを有する、請求項1~12のいずれか一項に記載のタッチパネル。 - 前記第2のタッチ感知電極は、前記曲げ領域上に第1の部分、前記非曲げ領域上に第2の部分を有し、前記第2のタッチ感知電極は、前記導電性ナノ構造と、前記導電性ナノ構造の各々の上に付加された前記膜層とを含み、前記第2のタッチ感知電極の前記第2の部分内にある前記導電性ナノ構造の各々と前記膜層との間の界面は、実質的に前記被覆構造を有する、請求項13に記載のタッチパネル。
- 前記第1の細線によって織り合わされた前記メッシュパターンは、前記第2の細線が織り合わされた前記メッシュパターンと完全には重なっていない、請求項13又は14に記載のタッチパネル。
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