JP6486291B2 - 表示装置の製造方法、及び、表示装置 - Google Patents
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Description
図1は、本実施形態に係る表示装置100の構成を斜視図で示す。表示装置100は、第1の基板101に画素領域106が設けられている。画素領域106は、発光素子が設けられた複数の画素108が配列することによって構成されている。発光素子は、一対の電極間に発光材料を含む層(発光層)を有する素子であり、ここでは、一例として、発光材料として有機エレクトロルミネセンス材料を含む層を有する発光素子を有機EL素子が用いられる。画素領域106の上面には封止材としての第2の基板104が設けられている。
次いで、本実施形態に係る接続端子500の構成について、図11を参照して説明する。図11は、本実施形態に係る接続端子500の絶縁層のエッチングが完了した状態を示す断面図である。第2実施形態の接続端子500が第1実施形態の接続端子200と異なる点は、凹領域が、接続端子500の部位の下地絶縁層8の一部が除去されて形成される点である。基板101の上に下地絶縁層8と第1導電層2Xが形成されてから、凹部8Xと凹部2X1とが連通する凹領域を形成される。
次いで、本実施形態に係る接続端子600の構成について、図12を参照して説明する。図12は、本実施形態に係る接続端子600の絶縁層のエッチングが完了した状態を示す断面図である。第3実施形態の接続端子600が第1実施形態の接続端子200と異なる点は、凹領域が、接続端子600の部位の基板101の一部が除去されてから下地絶縁層8が形成される点である。基板101に凹部101Xが形成され、下地絶縁層8と第1導電層2Xが形成されて凹部8Xと凹部2X1が形成される。
2X 第1導電層
2X1 凹部
5X 第1無機絶縁層
6X 有機絶縁層
7X 第2無機絶縁層
106 画素領域
114 端子領域
Claims (14)
- 発光素子が設けられた画素が配列される画素領域と、前記画素領域の外側に設けられて配線基板と接続する接続端子が設けられた端子領域と、を備える表示装置の製造方法において、
前記接続端子の上面部の一部に凹領域を形成し、
前記画素領域から前記端子領域に亘って、第1無機絶縁層、有機絶縁層、第2無機絶縁層を順に形成し、
前記接続端子の部位にて、前記凹領域に前記有機絶縁層が集まることで前記凹領域以外の領域に前記第1無機絶縁層と前記第2無機絶縁層が積層される領域をエッチングすることを特徴とする表示装置の製造方法。 - 前記第1無機絶縁層と前記第2無機絶縁層とを同一の材質で形成し、前記端子領域の前記第1無機絶縁層と前記第2無機絶縁層とを同時にエッチングすることを特徴とする請求項1に記載の表示装置の製造方法。
- 前記凹領域は、前記接続端子の一部を除去して形成することを特徴とする請求項1又は請求項2に記載の表示装置の製造方法。
- 前記画素領域から前記端子領域に亘って導電層を形成し、
前記凹領域は、前記接続端子の部位の前記導電層の一部を除去して形成することを特徴とする請求項1乃至請求項3のいずれか1項に記載の表示装置の製造方法。 - 前記導電層は、一枚の層であり、
前記凹領域は、前記接続端子の部位の前記導電層の一部を除去して形成することを特徴とする請求項4に記載の表示装置の製造方法。 - 前記導電層は、第1導電層、及び、前記第1導電層の上に形成された第2導電層の積層であり、
前記凹領域は、前記接続端子の部位の前記第1導電層と前記第2導電層の前記積層の一部を除去して形成することを特徴とする請求項4に記載の表示装置の製造方法。 - 前記第2導電層の面積は、前記第1導電層の面積の50%以上であることを特徴とする請求項6に記載の表示装置の製造方法。
- 前記画素領域及び前記端子領域は、基板、及び、前記基板の上に形成される下地絶縁層の積層の上に設けられ、
前記凹領域は、前記接続端子の部位の前記下地絶縁層の一部を除去して形成することを特徴とする請求項1乃至請求項7のいずれか1項に記載の表示装置の製造方法。 - 前記画素領域及び前記端子領域は、基板、及び、前記基板の上に形成される下地絶縁層の積層の上に設けられ、
前記凹領域は、前記接続端子の部位の前記基板と前記下地絶縁層の前記積層の一部を除去して形成することを特徴とする請求項1乃至請求項7のいずれか1項に記載の表示装置の製造方法。 - 前記基板を、樹脂又はガラスで形成することを特徴とする請求項8又は請求項9に記載の表示装置の製造方法。
- 基板と、
発光素子が設けられた画素が配列される画素領域と、
前記画素領域の外側に位置し、且つ配線基板と接続する接続端子が設けられた端子領域と、
前記画素領域から前記端子領域に跨って設けられた多層の絶縁層を有する表示装置において、
前記接続端子は、上面部と、前記上面部の一部が前記基板の側へ窪む凹領域と、を有し、
前記画素領域にて、前記多層の絶縁層は、第1無機絶縁層と、前記第1無機絶縁層の上に設けられた有機絶縁層と、前記有機絶縁層の上に設けられた第2無機絶縁層と、を有し、
前記接続端子は、前記上面部が前記多層の絶縁層から露出し、
前記凹領域には、前記多層の絶縁層のうち、前記第1無機絶縁層及び前記有機絶縁層が設けられていることを特徴とする表示装置。 - 前記凹領域は、前記接続端子の一部が除去された領域であることを特徴とする請求項11に記載の表示装置。
- 前記凹領域は、前記接続端子の部位にて、前記基板の一部が除去された領域であることを特徴とする請求項11又は請求項12に記載の表示装置。
- 前記画素領域及び前記端子領域は、前記基板の上に設けられた下地絶縁層の積層の上に設けられ、
前記凹領域は、前記接続端子の部位にて、前記基板及び前記下地絶縁層の一部が除去された領域であることを特徴とする請求項11乃至請求項13のいずれか1項に記載の表示装置。
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CN109638057B (zh) * | 2018-12-19 | 2021-06-04 | 上海天马微电子有限公司 | 显示面板及其制作方法、显示装置 |
CN109742091B (zh) * | 2019-01-10 | 2021-08-31 | 京东方科技集团股份有限公司 | 显示基板及其制备方法、显示装置 |
CN110444681B (zh) | 2019-07-22 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | 发光面板及显示设备 |
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JP6220208B2 (ja) * | 2013-09-30 | 2017-10-25 | 株式会社ジャパンディスプレイ | 有機エレクトロルミネッセンス表示装置及びその製造方法 |
JP6324098B2 (ja) * | 2014-02-06 | 2018-05-16 | 株式会社ジャパンディスプレイ | 表示装置及びその製造方法 |
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