JP7321792B2 - 異方性導電膜及び表示装置 - Google Patents
異方性導電膜及び表示装置 Download PDFInfo
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Description
図1を用いて、本発明の一実施形態に係る異方性導電膜について説明する。
図1は、本発明の一実施形態に係る異方性導電膜10Aの平面図である。図1に示すように、異方性導電膜10Aは、少なくとも、樹脂11及び樹脂11の中に分散される導電粒子12を含む。また、異方性導電膜10Aは、第1領域100A及び第2領域200を含む。
樹脂11は、熱硬化性樹脂又は光硬化性樹脂を含むことができる。熱硬化性樹脂又は光硬化性樹脂として、例えば、エポキシ樹脂又はアクリル樹脂を用いることができる。
図3を用いて、本実施形態に係る異方性導電膜10Aの変形例である異方性導電膜10Bについて説明する。なお、以下では、異方性導電膜10Aと同様の構成については説明を省略し、主に、異方性導電膜10Aと異なる構成について説明する。
図4を用いて、本実施形態に係る異方性導電膜10Aの別の変形例である異方性導電膜10Cについて説明する。なお、以下では、異方性導電膜10Aと同様の構成については省略し、主に、異方性導電膜10Aと異なる構成について説明する。
図5を用いて、本発明の一実施形態に係る異方性導電膜について説明する。
図6を用いて、本実施形態に係る異方性導電膜20Aの変形例である異方性導電膜20Bについて説明する。なお、以下では、異方性導電膜20Aと同様の構成については説明を省略し、主に、異方性導電膜20Aと異なる構成について説明する。
図7を用いて、本実施形態に係る異方性導電膜20Aの変形例である異方性導電膜20Cについて説明する。なお、以下では、異方性導電膜20Aと同様の構成については説明を省略し、主に、異方性導電膜20Aと異なる構成について説明する。
図8を用いて、本実施形態に係る異方性導電膜20Aの変形例である異方性導電膜20Dについて説明する。なお、以下では、異方性導電膜20Aと同様の構成については説明を省略し、主に、異方性導電膜20Aと異なる構成について説明する。
図9~図12を用いて、本発明の一実施形態に係る表示装置について説明する。
図9は、本発明の一実施形態に係る表示装置に用いる回路基板70のレイアウト構成を示すブロック図である。
図11は、本発明の一実施形態に係る表示装置30の概略平面図である。また、図12は、本発明の一実施形態に係る表示装置30の概略断面図である。具体的には、図12は、図11のA-A’線に沿って切断した概略断面図であり、回路基板70の画素領域710の一部を示している。
Claims (22)
- 樹脂に導電粒子が分散された異方性導電膜であって、
前記導電粒子が離散して第1パターンに配列された第1領域と、
前記導電粒子が凝集して第1形状を有する第2領域と、を含む異方性導電膜。 - 前記第1パターンは、マトリクスである請求項1に記載の異方性導電膜。
- 前記第1パターンは、第2パターンの繰り返しによって形成される請求項1又は請求項2に記載の異方性導電膜。
- 前記第2パターンは、前記導電粒子が直線状に配置される請求項3に記載の異方性導電膜。
- 前記第2パターンは、前記導電粒子が多角形の頂点の位置に配置される請求項3に記載の異方性導電膜。
- 前記第1形状は、円形、楕円形、多角形、又は十字形のいずれか1つである請求項1乃至請求項5のいずれか一に記載の異方性導電膜。
- 前記第2領域は、前記第1領域の外側に位置する請求項1乃至請求項6のいずれか一に記載の異方性導電膜。
- 前記第2領域は、アライメントマーカーである請求項1乃至請求項7のいずれか一に記載の異方性導電膜。
- さらに、前記導電粒子が凝集して第2形状を有する第3領域を含む請求項1乃至請求項8のいずれか一に記載の異方性導電膜。
- 前記第2形状は、前記第1形状と異なる請求項9に記載の異方性導電膜。
- 前記第2領域と前記第3領域との間に前記第1領域が配置される請求項9又は請求項10に記載の異方性導電膜。
- 第1パターンに配列された複数の電極が設けられた画素領域と、前記画素領域の外側に設けられ、前記複数の電極に信号を供給するドライバ回路領域と、を備える回路基板と、
樹脂に導電粒子が分散された異方性導電膜と、
複数の発光素子と、を含み、
前記樹脂は、前記画素領域及び前記ドライバ回路領域にわたって設けられ、
前記異方性導電膜は、
前記導電粒子が離散して前記第1パターンに配列された第1領域と、
前記導電粒子が凝集して第1形状を有する第2領域と、を含み、
前記複数の発光素子は、前記第1領域において、前記導電粒子を介して前記複数の電極と電気的に接続し、
前記第2領域は、前記画素領域及び前記ドライバ回路領域と重畳しない表示装置。 - 前記第1パターンは、マトリクスであり、
前記第1領域に含まれる前記導電粒子は、前記電極と重畳しない領域には配置されない請求項12に記載の表示装置。 - 前記第1パターンは、第2パターンの繰り返しによって形成される請求項12又は請求項13に記載の表示装置。
- 前記第2パターンは、前記導電粒子が直線状に配置される請求項14に記載の表示装置。
- 前記第2パターンは、前記導電粒子が多角形の頂点の位置に配置される請求項14に記載の表示装置。
- 前記第1形状は、円形、楕円形、多角形、又は十字形のいずれか1つである請求項12乃至請求項16のいずれか一に記載の表示装置。
- 前記第2領域は、前記第1領域の外側に位置し、前記回路基板に設けられたアライメントマーカーと重畳する請求項12乃至請求項17のいずれか一に記載の表示装置。
- 前記第2領域は、前記異方性導電膜のアライメントマーカーである請求項18に記載の表示装置。
- 前記異方性導電膜は、さらに、前記導電粒子が凝集して第2形状を有する第3領域を含む請求項12乃至請求項19のいずれか一に記載の表示装置。
- 前記第2形状は、前記第1形状と異なる請求項20に記載の表示装置。
- 前記第2領域と前記第3領域との間に前記第1領域が配置される請求項20又は請求項21に記載の表示装置。
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