JP2014067701A - 導電性酸化物膜、表示装置、及び導電性酸化物膜の作製方法 - Google Patents
導電性酸化物膜、表示装置、及び導電性酸化物膜の作製方法 Download PDFInfo
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Abstract
【解決手段】成膜時の基板温度を高くして導電性酸化物膜を成膜し、成膜後、該導電性酸化物膜に対して、窒素アニール処理を施す事で、高い導電率を有し且つ可視光に対する高い光透過率を有する導電性酸化物膜を得ることができる。また、C軸が膜表面に対して垂直方向に配向する結晶構造を有する導電性酸化物膜を得ることができる。
【選択図】図1
Description
本実施の形態では、成膜時のアルゴンガスの比率が100%という条件下で、導電性酸化物膜を作製した場合について、図1及び表1を用いて説明する。
本実施の形態では、成膜時のアルゴンガスの比率が70%以下、という条件下で、導電性酸化物膜を作製した場合について、図2乃至図5、図11、表2乃至表7を用いて説明する。
本実施の形態では、本発明の一態様に係る導電性酸化物膜を、タッチパネルを有する有機EL表示装置に適用する場合について、図6及び図7を用いて説明する。
本実施の形態では、マルチタッチ入力が可能なタッチパネルを有する電子機器について図8乃至図10を用いて説明する。電子機器としては、可搬型のテレビジョン装置(テレビ、またはテレビジョン受信機ともいう)、デジタルカメラ、デジタルビデオカメラ、デジタルフォトフレーム、携帯電話機、携帯型ゲーム機、携帯情報端末、音響再生装置、遊技機(パチンコ機、スロットマシン等)、ゲーム筐体等、が挙げられる。これらの電子機器に、実施の形態1及び実施の形態2で示したC軸が膜表面に対して垂直方向に配向する結晶構造を有する導電性酸化物膜を、適用することができる。
20 タッチパネル
40 タッチパネル
100 有機EL表示装置
101 下地層
102 トランジスタ
103 絶縁層
104 層間膜
105 配線
106 層間膜
107 発光素子
108 反射電極
109 マイクロキャビティ層
110 基板
111 マイクロキャビティ層
112 発光層
113 陰極
114 第1の隔壁
115 入力手段
155 第2の隔壁
160 基板
162 下地層
163 ブラックマトリクス
164 赤色カラーフィルター
165 緑色カラーフィルター
166 青色カラーフィルター
200 基板
201 導電性酸化物膜
202 導電性酸化物膜
203 ドットスペーサー
204 シール材
205 エアギャップ
210 基板
215 入力手段
300 接着層
400 基板
401 導電性酸化物膜
402 基板
403 接着層
440 有機EL表示装置
500 基板
501 導電性酸化物膜
502 導電性酸化物膜
503 絶縁層
510 基板
515 入力手段
600 基板
601 導電性酸化物膜
602 導電性酸化物膜
603 ドットスペーサー
604 シール材
605 エアギャップ
610 基板
615 入力手段
9033 留め具
9034 スイッチ
9035 電源スイッチ
9036 スイッチ
9600 電子機器
9630 筐体
9631 表示部
9631a 表示部
9631b 表示部
9632a タッチパネルの領域
9632b タッチパネルの領域
9633 太陽電池
9634 充放電制御回路
9635 バッテリー
9636 DCDCコンバータ
9637 操作キー
9638 操作スイッチ
9639 ボタン
9640 操作キー
9647 コンバータ
9800 タッチパネル
9800a タッチパネル
9800b タッチパネル
Claims (17)
- C軸が膜表面に対して垂直方向に配向する結晶構造を有することを特徴とする導電性酸化物膜。
- X線回折測定により得られる回折ピークが31°である結晶構造を有することを特徴とする導電性酸化物膜。
- 請求項1又は請求項2において、
シート抵抗が40Ω/□以下であることを特徴とする導電性酸化物膜。 - 請求項1乃至請求項3のいずれか一において、
バンドギャップが2.5eV以上であることを特徴とする導電性酸化物膜。 - 請求項1乃至請求項4のいずれか一において、
膜厚が1nm以上100nm以下であることを特徴とする導電性酸化物膜。 - 請求項1乃至請求項5のいずれか一において、
インジウム亜鉛酸化物膜であることを特徴とする導電性酸化物膜。 - 請求項1乃至請求項6のいずれか一に記載の導電性酸化物膜を含むタッチパネルを有することを特徴とする表示装置。
- 請求項7において、前記導電性酸化物膜に流れる電流の変化によりタッチ位置を検出することを特徴とする表示装置。
- 第1の基板上に形成された第1の導電性酸化物膜と、
第2の基板上に形成された第2の導電性酸化物膜と、を有し、
前記第1の導電性酸化物膜及び前記第2の導電性酸化物膜は、それぞれ請求項1乃至請求項6のいずれか一に記載の導電性酸化物膜であり、
前記第1の導電性酸化物膜と、前記第2の導電性酸化物膜との接触によりタッチ位置を検出することを特徴とする表示装置。 - 第1の基板上に形成された第1の導電性酸化物膜と、
第2の基板上に形成された第2の導電性酸化物膜と、を有し、
前記第1の導電性酸化物膜及び前記第2の導電性酸化物膜は、それぞれ請求項1乃至請求項6のいずれか一に記載の導電性酸化物膜であり、
前記第1の導電性酸化物膜と、前記第2の導電性酸化物膜との間に生じる容量変化によりタッチ位置を検出することを特徴とする表示装置。 - 請求項9又は請求項10において、
前記第1の導電性酸化物膜と前記第2の導電性酸化物膜との間には、液晶層が挟持されていることを特徴とする表示装置。 - 請求項9又は請求項10において、
前記第1の導電性酸化物膜と前記第2の導電性酸化物膜との間には、発光層が挟持されていることを特徴とする表示装置。 - 基板温度が200℃以上の条件下で、スパッタリング法を用いて前記基板上に導電性酸化物膜を成膜し、
成膜後、前記導電性酸化物膜に対して窒素アニール処理を行うことを特徴とする導電性酸化物膜の作製方法。 - 基板温度が200℃以上の条件下で、スパッタリング法を用いてアルゴンガスを含む雰囲気中で、前記基板上に導電性酸化物膜を成膜し、
成膜後、前記導電性酸化物膜に対して窒素アニール処理を行うことを特徴とする導電性酸化物膜の作製方法。 - 請求項13又は請求項14において、
前記アルゴンガスの比率は70%以上であることを特徴とする導電性酸化物膜の作製方法。 - 請求項13乃至請求項15のいずれか一において、
前記窒素アニール処理時の温度は、350℃以上であることを特徴とする導電性酸化物膜の作製方法。 - 請求項13乃至請求項15のいずれか一において、
前記窒素アニール処理時の温度は、450℃以上であることを特徴とする導電性酸化物膜の作製方法。
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