JP6076038B2 - 表示装置の作製方法 - Google Patents
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- JP6076038B2 JP6076038B2 JP2012238507A JP2012238507A JP6076038B2 JP 6076038 B2 JP6076038 B2 JP 6076038B2 JP 2012238507 A JP2012238507 A JP 2012238507A JP 2012238507 A JP2012238507 A JP 2012238507A JP 6076038 B2 JP6076038 B2 JP 6076038B2
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Description
本実施の形態では、フォトマスク数及びフォトリソグラフィ工程数を削減した液晶表示装置の画素構成および作製方法の一例について、図1乃至図10を用いて説明する。
本実施の形態では、フォトマスク数及びフォトリソグラフィ工程数を削減したEL表示装置の画素構成および作製方法の一例について、図13乃至図22を用いて説明する。
実施の形態1で例示したトランジスタを用いた表示装置の一形態を図11に示す。
実施の形態2で例示したトランジスタを用いた表示装置の一形態を図23に示す。
本実施の形態においては、上記実施の形態で説明した表示装置を具備する電子機器の例について説明する。
101 基板
102 画素領域
103 端子部
104 端子部
105 端子
105_i 端子
106 端子
106_j 端子
107 端子
110 画素
111 トランジスタ
112 液晶素子
113 容量素子
114 電極
120 画素
130 画素
200 基板
201 下地層
202 ゲート電極
203 配線
204 ゲート絶縁層
205 半導体層
206A 電極
206B 電極
207 絶縁層
208 開口部
210 画素電極
212 配線
212_i 配線
216 配線
216_j 配線
219 開口部
220 開口部
221 電極
222 電極
230 溝部
231 端部
232 端部
240 溝部
251 溝部
252 溝部
253 溝部
254 溝部
255 溝部
256 溝部
257 溝部
258 溝部
301 開口部
302 開口部
351 保護層
400 半導体装置
401 基板
402 画素領域
403 端子部
404 端子部
405 端子
405_i 端子
406 端子
406_j 端子
407 端子
408 端子
410 画素
411 トランジスタ
412 トランジスタ
413 容量素子
414 EL素子
420 画素
430 画素
500 基板
501 下地層
502 ゲート電極
503 配線
504 ゲート絶縁層
505 半導体層
506A 電極
506B 電極
507 絶縁層
508 開口部
510 電極
512 配線
512_i 配線
513 配線
514 隔壁層
516 配線
516_j 配線
519 開口部
520 開口部
521 電極
522 電極
530 溝部
540 溝部
542 ゲート電極
544 電極
546A 電極
546B 電極
551 溝部
552 溝部
553 溝部
554 溝部
555 溝部
562 EL層
563 配線
565 開口部
601 開口部
602 開口部
603 開口部
604 開口部
605 開口部
606 開口部
607 開口部
651 保護層
2702 筐体
2704 筐体
2705 表示部
2707 表示部
2712 軸部
2721 電源端子
2723 操作キー
2725 スピーカー
2800 筐体
2801 筐体
2802 表示パネル
2803 スピーカー
2804 マイクロフォン
2805 操作キー
2806 ポインティングデバイス
2807 カメラ用レンズ
2808 外部接続端子
2810 太陽電池セル
2811 外部メモリスロット
3001 本体
3002 筐体
3003 表示部
3004 キーボード
3021 本体
3022 スタイラス
3023 表示部
3024 操作ボタン
3025 外部インターフェイス
3051 本体
3053 接眼部
3054 操作スイッチ
3055 表示部(B)
3056 バッテリー
3057 表示部(A)
4001 基板
4002 画素部
4003 信号線駆動回路
4004 走査線駆動回路
4005 シール材
4006 基板
4008 液晶層
4010 トランジスタ
4013 液晶素子
4015 電極
4016 配線
4018a FPC
4018b FPC
4019 異方性導電層
4020 入力端子
4030 電極
4031 電極
4032 絶縁層
4033 絶縁層
4035 スペーサー
4040 溝部
5001 基板
5002 画素部
5003 信号線駆動回路
5004 走査線駆動回路
5005 シール材
5006 基板
5008 EL層
5009 隔壁層
5010 トランジスタ
5013 EL素子
5015 電極
5016 配線
5018a FPC
5018b FPC
5019 異方性導電層
5020 入力端子
5030 電極
5031 電極
5040 溝部
9601 筐体
9603 表示部
9605 スタンド
Claims (2)
- 第1のフォトリソグラフィ工程により、一部がゲート電極として機能するゲート配線を形成し、
前記ゲート配線上にゲート絶縁層を形成し、
前記ゲート絶縁層上に半導体層を形成し、
第2のフォトリソグラフィ工程により、前記半導体層上に開口部を有する第1の絶縁層を形成し、
第3のフォトリソグラフィ工程により、前記第1の絶縁層上に、前記半導体層と接する第1の電極を形成し、
前記第1の電極上に第2の絶縁層を形成し、
第4のフォトリソグラフィ工程により、前記第1の電極と重なる前記第2の絶縁層の一部を選択的に除去して行う開口部の形成と、前記第2の絶縁層、前記第1の絶縁層、前記半導体層、及び前記ゲート絶縁層の一部を除去して行う溝部の形成と、を行い、
第5のフォトリソグラフィ工程により、前記第2の絶縁層上に前記第1の電極と接し、画素電極として機能する第2の電極を形成し、
前記溝部は、前記ゲート配線上において、前記ゲート配線を横切るように設けられ、
前記溝部によって、隣接する画素のトランジスタの半導体層が分離されることを特徴とする表示装置の作製方法。 - 第1のフォトリソグラフィ工程により、一部がゲート電極として機能するゲート配線を形成し、
前記ゲート配線上にゲート絶縁層を形成し、
前記ゲート絶縁層上に半導体層を形成し、
第2のフォトリソグラフィ工程により、前記半導体層上に開口部を有する第1の絶縁層を形成し、
第3のフォトリソグラフィ工程により、前記第1の絶縁層上に、前記半導体層と接する第1の電極を形成し、
前記第1の電極上に第2の絶縁層を形成し、
第4のフォトリソグラフィ工程により、前記第1の電極と重なる前記第2の絶縁層の一部を選択的に除去して行う開口部の形成と、前記第2の絶縁層、前記第1の絶縁層、前記半導体層、及び前記ゲート絶縁層の一部を除去して行う溝部の形成と、を行い、
第5のフォトリソグラフィ工程により、前記第2の絶縁層上に前記第1の電極と接し、画素電極として機能する第2の電極を形成し、
前記溝部は、前記ゲート配線上において、前記ゲート配線を横切るように設けられ、
前記溝部によって、隣接する画素のトランジスタの半導体層が分離され、
前記半導体層は、酸化物半導体を含むことを特徴とする表示装置の作製方法。
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