JP6612810B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP6612810B2 JP6612810B2 JP2017096240A JP2017096240A JP6612810B2 JP 6612810 B2 JP6612810 B2 JP 6612810B2 JP 2017096240 A JP2017096240 A JP 2017096240A JP 2017096240 A JP2017096240 A JP 2017096240A JP 6612810 B2 JP6612810 B2 JP 6612810B2
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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Description
本実施の形態では、本発明の一態様の剥離方法及び表示装置の作製方法について図1〜図18を用いて説明する。
まず、作製基板14上に、感光性を有する材料を用いて、第1の層24を形成する(図1(A))。
以降の作製方法例では、先に説明した作製方法例と同様の部分については、説明を省略することがある。
まず、作製方法例1Aと同様に、作製基板14上に、樹脂層23から絶縁層35までを順に形成する(図11(A))。なお、作製方法例3Aでは、酸化物導電層44b上に、導電層43cを設けない例を示す。
まず、作製基板14上に、感光性を有する材料を用いて、第1の層24を形成する(図12(A))。そして、作製方法例1Aと同様に、フォトリソグラフィ法を用いて、凹部を有する樹脂層23を形成する(図12(B))。
本発明の一態様を適用して、ボトムエミッション型の表示装置を作製することができる。
図18(B)に示す表示装置は、トランジスタ80が、導電層81及び絶縁層82を有さない点で、図17(B)に示す表示装置と異なる。図18(B)に示すトランジスタは、酸化物半導体層83a、絶縁層84、導電層85、導電層86a、及び導電層86bを有する。図18(B)に示す接続部383には、酸化物導電層83bと導電層86cが設けられている。
本実施の形態では、本発明の一態様の剥離方法及び表示装置の作製方法について図19〜図32を用いて説明する。なお、実施の形態1と重複する部分については説明を省略することがある。
まず、作製基板14上に、感光性を有する材料を用いて、第1の層24を形成し(図19(A))、フォトリソグラフィ法を用いて、所望の形状の樹脂層23を形成する(図19(B))。図19(B)では、樹脂層23に、第1の領域と、第1の領域よりも厚さの薄い第2の領域(凹部ともいう)を設ける例を示す。
まず、作製基板14上に、感光性を有する材料を用いて、第1の層24を形成する(図26(A))。そして、作製方法例1Bと同様に、フォトリソグラフィ法を用いて、凹部を有する樹脂層23を形成する(図26(B))。
本発明の一態様を適用して、ボトムエミッション型の表示装置を作製することができる。
図32(B)に示す表示装置は、トランジスタ80が、導電層81及び絶縁層82を有さない点で、図31(B)に示す表示装置と異なる。図32(B)に示すトランジスタは、酸化物半導体層83a、絶縁層84、導電層85、導電層86a、及び導電層86bを有する。図32(B)に示す接続部383には、導電層86cが設けられている。導電層86cは、絶縁層31及び絶縁層33を介して、樹脂層23の側面と重なる。
本実施の形態では、本発明の一態様の剥離方法について、図33〜図35を用いて説明する。
まず、図33(A)に示すように、作製基板14上に感光性の材料を用いて第1の層24を形成する。ここでは、ポジ型の材料を用いる例を示す。つまり、第1の層24は、光が照射された部分がエッチャントに溶解し、光が照射されていない部分が残存する層である。
まず、図34(A)に示すように、作製基板14上に感光性の材料を用いて第1の層24を形成する。ここでは、ポジ型の材料を用いる例を示す。
本実施の形態では、本発明の一態様を用いて作製することができる表示モジュール及び電子機器について、図36及び図37を用いて説明する。
13 接着層
14 作製基板
22 基板
23 樹脂層
23a 樹脂層
24 第1の層
25 導電層
26 接着層
27 フィルム
28 接着層
29 基板
31 絶縁層
32 絶縁層
33 絶縁層
34 絶縁層
35 絶縁層
40 トランジスタ
41 導電層
41a 導電層
41b 導電層
43a 導電層
43b 導電層
43c 導電層
44 酸化物半導体層
44a 酸化物半導体層
44b 酸化物導電層
45a 導電層
45b 導電層
50 トランジスタ
54 切り込み
60 表示素子
61 導電層
62 EL層
63 導電層
64 刃物
64a 刃物
64b 刃物
64c 光
65 レーザ光
66 光
67 グレートーンマスク
68a 遮光膜
68b 半透過膜
69 起点
71 保護層
74 絶縁層
75 保護層
75a 基板
75b 接着層
76 接続体
77 FPC
80 トランジスタ
81 導電層
82 絶縁層
83 酸化物半導体層
83a 酸化物半導体層
83b 酸化物導電層
84 絶縁層
85 導電層
86a 導電層
86b 導電層
86c 導電層
91 作製基板
93 樹脂層
95 絶縁層
97 着色層
98 遮光層
99 接着層
381 表示部
382 駆動回路部
383 接続部
385A 領域
385B 領域
385C 領域
7000 表示部
7001 表示部
7101 筐体
7103 操作ボタン
7104 外部接続ポート
7105 スピーカ
7106 マイク
7107 カメラ
7110 携帯電話機
7201 筐体
7202 操作ボタン
7203 情報
7210 携帯情報端末
7300 テレビジョン装置
7301 筐体
7303 スタンド
7311 リモコン操作機
7650 携帯情報端末
7651 非表示部
7800 携帯情報端末
7801 バンド
7802 入出力端子
7803 操作ボタン
7804 アイコン
7805 バッテリ
8000 表示モジュール
8001 上部カバー
8002 下部カバー
8003 FPC
8004 タッチパネル
8005 FPC
8006 表示パネル
8009 フレーム
8010 プリント基板
8011 バッテリ
Claims (6)
- 基板上に形成された樹脂層に、第1の領域と、前記第1の領域よりも膜厚の小さい第2の領域とを形成する第1の工程と、
前記第1の領域の上面に、トランジスタを形成する第2の工程と、
前記第2の領域の上面に、導電層を形成する第3の工程と、を有し、
前記第1の工程乃至前記第3の工程の後に、レーザを前記基板側から前記樹脂層へ照射し、
少なくとも前記トランジスタと前記基板とを分離して前記樹脂層の下面を露出させ、前記露出した面に接着層を用いて、第2の基板を貼り合わせる工程を有する、半導体装置の作製方法。 - 基板上に形成された樹脂層に、凹領域を形成する第1の工程と、
前記凹領域以外の上面に、トランジスタを形成する第2の工程と、
前記凹領域の上面に、導電層を形成する第3の工程と、を有し、
前記第1の工程乃至前記第3の工程の後に、レーザを前記基板側から前記樹脂層へ照射し、
少なくとも前記トランジスタと前記基板とを分離して前記樹脂層の下面を露出させ、前記露出した面に接着層を用いて、第2の基板を貼り合わせる工程を有する、半導体装置の作製方法。 - 基板上に形成された樹脂層に、凹領域を形成する第1の工程と、
前記樹脂層に接して、絶縁層を形成する第2の工程と、
前記凹領域以外の上面に、トランジスタを形成する第3の工程と、
前記凹領域の上面と重なるように、導電層を形成する第4の工程と、を有し、
前記第1の工程乃至前記第4の工程の後に、レーザを前記基板側から前記樹脂層へ照射し、
少なくとも前記トランジスタと前記基板とを分離して前記樹脂層の下面を露出させ、前記露出した面に接着層を用いて、第2の基板を貼り合わせる工程を有する、半導体装置の作製方法。 - 請求項1乃至請求項3のいずれか一において、
前記導電層は、FPCと電気的に接続される、半導体装置の作製方法。 - 請求項1乃至請求項4のいずれか一において、
前記導電層は、酸化物導電層を有する、半導体装置の作製方法。 - 請求項1乃至請求項5のいずれか一において、
前記導電層は、前記トランジスタが有するソース電極またはドレイン電極と同一の材料を有する、半導体装置の作製方法。
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JP2017212437A (ja) | 2017-11-30 |
US20190035820A1 (en) | 2019-01-31 |
CN107452899A (zh) | 2017-12-08 |
KR20170130286A (ko) | 2017-11-28 |
JP2020031230A (ja) | 2020-02-27 |
CN107452899B (zh) | 2021-03-02 |
KR102378976B1 (ko) | 2022-03-24 |
CN107452899A8 (zh) | 2018-03-06 |
US10096621B2 (en) | 2018-10-09 |
US20170338250A1 (en) | 2017-11-23 |
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US10475820B2 (en) | 2019-11-12 |
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