JP2018026563A - 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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Abstract
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1〜14を用いて説明する。
まず、作製基板14上に、水素を含む層20を形成する。そして、水素を含む層20上に、酸素を含む層21を形成する(図1(A))。
次に、本実施の形態の表示装置の作製方法例について説明する。先に説明した剥離方法と同様の部分について、説明を省略することがある。
図5(A)は、表示装置10Aの上面図である。図5(B)、(C)は、それぞれ、表示装置10Aの表示部381の断面図及びFPC372との接続部の断面図の一例である。
まず、上記剥離方法と同様に、作製基板14上に、水素を含む層20から絶縁層31までを形成する(図6(A))。
作製方法例2(図7(C))では、接着層99が、酸素を含む層21と絶縁層31とが接している部分、及び酸素を含む層94と絶縁層95とが接している部分の双方と重ねて設けられる場合を示した。
図14(A)は、表示装置10Bの上面図である。図14(B)は、表示装置10Bの表示部381の断面図及びFPC372との接続部の断面図の一例である。
本実施の形態では、本発明の一態様の表示装置とその作製方法について図面を用いて説明する。
図15は、表示装置300Aの斜視概略図である。表示装置300Aは、基板351と基板361とが貼り合わされた構成を有する。図15では、基板361を破線で明示している。
図17(A)に、表示装置300Bの表示部の断面図を示す。
図17(B)に、表示装置300Cの表示部の断面図を示す。
次に、図18〜図20を用いて、本実施の形態の表示装置の作製方法について、具体的に説明する。以下では、図16に示す表示装置300Aの作製方法の一例について説明する。図18〜図20では特に表示装置300Aの表示部362に着目して、作製方法を説明する。なお、図18〜図20ではトランジスタ203の図示を省略する。
次に、図21〜図23を用いて、本実施の形態の表示装置の作製方法について、具体的に説明する。以下では、図17(A)に示す表示装置300Bの作製方法の一例について説明する。なお、表示装置300Aの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。
本実施の形態では、実施の形態2で説明した表示装置の、より具体的な構成例について図24〜図26を用いて説明する。
本実施の形態では、本発明の一態様で開示されるトランジスタに用いることができる金属酸化物について説明する。以下では特に、金属酸化物とCAC(Cloud−Aligned Composite)−OSの詳細について説明する。
本実施の形態では、本発明の一態様の表示モジュール及び電子機器について説明する。
ガラス基板上に、プラズマCVD法を用いて、厚さ約600nmの酸化窒化シリコン膜を形成することで、試料Aを作製した。酸化窒化シリコン膜は、プラズマCVD法にて、SiH4ガスとN2Oガスの流量をそれぞれ75sccm、1200sccmとし、電源電力120W、圧力70Pa、基板温度330℃の条件で形成した。
試料A〜試料Cについて、TDS分析により水素分子に相当する質量電荷比(m/z)2で検出される強度の温度依存性を評価した結果を図30(A)に示す。
図1を用いて、本実施例の試料の作製方法について説明する。
10B 表示装置
13 接着層
14 作製基板
20 水素を含む層
21 酸素を含む層
22 基板
23 樹脂層
24 第1の層
25 被剥離層
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
43a 導電層
43b 導電層
43c 導電層
44 金属酸化物層
45 導電層
49 トランジスタ
60 発光素子
61 導電層
62 EL層
63 導電層
64 切れ目
65 器具
66 レーザ光
67 照射領域
74 絶縁層
75 保護層
75a 基板
75b 接着層
76 接続体
80 トランジスタ
81 導電層
82 絶縁層
83 金属酸化物層
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
92 水素を含む層
93 樹脂層
94 酸素を含む層
95 絶縁層
96 隔壁
97 着色層
98 遮光層
99 接着層
112 液晶層
113 電極
117 絶縁層
121 絶縁層
131 着色層
132 遮光層
133a 配向膜
133b 配向膜
134 着色層
135 偏光板
141 接着層
142 接着層
170 発光素子
180 液晶素子
191 電極
192 EL層
193 電極
194 絶縁層
201 トランジスタ
203 トランジスタ
204 接続部
205 トランジスタ
206 トランジスタ
207 接続部
211 絶縁層
212 絶縁層
213 絶縁層
214 絶縁層
216 絶縁層
220 絶縁層
221a 導電層
221b 導電層
222a 導電層
222b 導電層
223 導電層
231 半導体層
242 接続層
243 接続体
252 接続部
300A 表示装置
300B 表示装置
300C 表示装置
311 電極
311a 電極
311b 電極
340 液晶素子
351 基板
360 発光素子
360b 発光素子
360g 発光素子
360r 発光素子
360w 発光素子
361 基板
362 表示部
364 回路
365 配線
372 FPC
373 IC
381 表示部
382 駆動回路部
400 表示装置
410 画素
451 開口
800 携帯情報端末
801 筐体
802 筐体
803 表示部
804 表示部
805 ヒンジ部
810 携帯情報端末
811 筐体
812 表示部
813 操作ボタン
814 外部接続ポート
815 スピーカ
816 マイク
817 カメラ
820 カメラ
821 筐体
822 表示部
823 操作ボタン
824 シャッターボタン
826 レンズ
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
9000 筐体
9001 表示部
9003 スピーカ
9005 操作キー
9006 接続端子
9007 センサ
9008 マイクロフォン
9055 ヒンジ
9200 携帯情報端末
9201 携帯情報端末
9202 携帯情報端末
Claims (15)
- 基板上に、水素を含む層を形成し、
前記水素を含む層上に、酸素を含む層を形成し、
前記酸素を含む層上に、樹脂または樹脂前駆体を含む材料を用いて、第1の層を形成し、
前記第1の層に対して、酸素を含む雰囲気下で第1の加熱処理を行うことで、樹脂層を形成し、
前記樹脂層上に、被剥離層を形成し、
前記被剥離層と前記基板とを分離する、半導体装置の作製方法。 - 請求項1において、
前記被剥離層を形成する工程では、前記基板上及び前記樹脂層上に、前記樹脂層の端部を覆う絶縁層を形成し、前記樹脂層上に、前記絶縁層を介して、トランジスタを形成し、
前記樹脂層の少なくとも一部を前記基板から分離することで、分離の起点を形成した後に、前記被剥離層と前記基板とを分離する、半導体装置の作製方法。 - 請求項1または2において、
前記被剥離層の少なくとも一部を形成した後、さらに、酸素を含む雰囲気下で第2の加熱処理を行う、半導体装置の作製方法。 - 請求項3において、
前記第2の加熱処理は、前記第1の加熱処理の温度以下で行われる、半導体装置の作製方法。 - 請求項3または4において、
前記第2の加熱処理は、酸素を含むガスを流して行われる、半導体装置の作製方法。 - 請求項1乃至5のいずれか一において、
前記第1の加熱処理は、酸素を含むガスを流して行われる、半導体装置の作製方法。 - 請求項1乃至6のいずれか一において、
前記第1の加熱処理は、300℃以上450℃以下で行われる、半導体装置の作製方法。 - 請求項1乃至7のいずれか一において、
前記水素を含む層は、加熱されることで水素を放出する機能を有する、半導体装置の作製方法。 - 請求項1乃至8のいずれか一において、
前記水素を含む層は、酸化シリコン、酸化窒化シリコン、及びアモルファスシリコンのうち少なくとも一つを有する、半導体装置の作製方法。 - 請求項1乃至9のいずれか一において、
前記酸素を含む層は、金属酸化物を有する、半導体装置の作製方法。 - 請求項1乃至10のいずれか一において、
粘度が5cP以上100cP未満の溶液を用いて、前記第1の層を形成する、半導体装置の作製方法。 - 請求項1乃至11のいずれか一において、
スピンコータを用いて、前記第1の層を形成する、半導体装置の作製方法。 - 請求項1乃至12のいずれか一において、
前記樹脂層は、厚さが1μm以上3μm以下の領域を有するように形成される、半導体装置の作製方法。 - 請求項1乃至13のいずれか一において、
前記樹脂層は、ポリイミドを有する、半導体装置の作製方法。 - 請求項1乃至14のいずれか一において、
前記第1の加熱処理の温度以下で、前記被剥離層を形成する、半導体装置の作製方法。
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US10861733B2 (en) | 2020-12-08 |
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US20180047609A1 (en) | 2018-02-15 |
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