JP2013137509A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP2013137509A JP2013137509A JP2012227571A JP2012227571A JP2013137509A JP 2013137509 A JP2013137509 A JP 2013137509A JP 2012227571 A JP2012227571 A JP 2012227571A JP 2012227571 A JP2012227571 A JP 2012227571A JP 2013137509 A JP2013137509 A JP 2013137509A
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- circuit
- wiring
- transistor
- switch
- capacitor
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Classifications
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- G—PHYSICS
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- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/423—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO
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Abstract
【解決手段】トランジスタと、第1の配線と、第2の配線と、第1のスイッチと、第2のスイッチと、第3のスイッチと、第1の容量素子と、第2の容量素子と、を有し、第1のスイッチは、第1の配線と第1の容量素子の第1電極との間の導通または非導通を選択し、第1の容量素子の第1電極は、第2の容量素子の第1電極と電気的に接続され、第1の容量素子の第2電極は、トランジスタのゲートと電気的に接続され、第2の容量素子の第2電極は、トランジスタのソース及びドレインの一方と接続され、第2のスイッチは、第2の配線と、トランジスタのゲートとの間の導通または非導通を選択し、第3のスイッチは、第1の容量素子の第1電極と、トランジスタのソース及びドレインの一方との間の導通または非導通を選択する半導体装置。
【選択図】図1
Description
上記本発明の一態様に係る半導体装置では、トランジスタ(駆動用トランジスタ)のソース及びドレインの一方は、発光素子のアノードと電気的に接続された構成とすることができる。この場合、当該トランジスタはnチャネル型トランジスタとする。そして、本発明の一態様に係る半導体装置は、第1の配線の電位を制御する機能を有する手段(例えば、駆動回路)を有し、当該手段(駆動回路)は、第1の配線の電位が発光素子のカソードの電位以下となるような期間を有するように、第1の配線の電位を制御する。
上記本発明の一態様に係る半導体装置では、トランジスタ(駆動用トランジスタ)のソース及びドレインの一方は、発光素子のカソードと電気的に接続された構成とすることができる。この場合、当該トランジスタはpチャネル型トランジスタとする。そして、本発明の一態様に係る半導体装置は、第1の配線の電位を制御する機能を有する手段(例えば、駆動回路)を有し、当該手段(駆動回路)は、第1の配線の電位が発光素子のアノードの電位以上となるような期間を有するように、第1の配線の電位を制御する。
本発明の一態様は、発光素子を有する画素だけでなく、様々な回路として用いることができる。例えば、アナログ回路として用いたり、電流源としての機能を有する回路として用いることが出来る。そこでまず、本実施の形態では、本発明で開示する回路の基本原理の一例について述べる。
本実施の形態では、本発明の一態様に係る半導体装置である、回路100の構成例について説明する。本実施の形態では、実施の形態1で示した回路に対して、スイッチを追加した構成や、駆動方法の一部を変更した場合などについて述べる。したがって、実施の形態1で述べた内容は、本実施の形態にも適用することが可能である。
本実施の形態では、本発明の一態様に係る半導体装置である、回路100の構成例について説明する。本実施の形態では、実施の形態1及び2で示した回路に対して、スイッチや配線などを追加する、接続の一部を変更する、ある配線を別の配線に接続して、配線をまとめる構成などや、駆動方法の一部を変更した場合などについて述べる。したがって、実施の形態1及び2で述べた内容は、本実施の形態にも適用することが可能である。
図74乃至図76に、本発明の一態様に係る半導体装置における、各種配線の配置例を示す。
図13(A)に示した回路100の上面図を、一例として図77に示す。
本実施の形態では、本発明の一態様に係る半導体装置において用いられる、トランジスタの具体的な構成の一例について説明する。
本実施の形態では、本発明の半導体装置の一態様の一つである発光装置を例に挙げ、その外観について図83を用いて説明する。図83(A)は、第1の基板上に形成されたトランジスタ及び発光素子を、第1の基板と第2の基板の間にシール材で封止したパネルの上面図であり、図83(B)は、図83(A)のA−A’における断面図に相当する。
本発明の一態様に係る回路100は、表示装置の画素部に用いることができる。或いは、本発明の一態様に係る回路100は、表示装置の駆動回路に用いることができる。
本発明の一態様に係る半導体装置は、表示機器、パーソナルコンピュータ、記録媒体を備えた画像再生装置(代表的にはDVD:Digital Versatile Disc等の記録媒体を再生し、その画像を表示しうるディスプレイを有する装置)に用いることができる。その他に、本発明の一態様に係る半導体装置を用いることができる電子機器として、携帯電話、携帯型を含むゲーム機、携帯情報端末、電子書籍、ビデオカメラ、デジタルスチルカメラなどのカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンター、プリンター複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図85、図91に示す。
図49(A)において、一例として、スイッチ11、スイッチ12、スイッチ13、スイッチ14、スイッチ914に、トランジスタを用いた場合の、回路100の構成を、図88(A)に示す。
11t トランジスタ
12 スイッチ
12t トランジスタ
13 スイッチ
13t トランジスタ
14 スイッチ
14a スイッチ
14b スイッチ
14t トランジスタ
15 スイッチ
21 配線
22 配線
23 配線
23a 配線
23b 配線
24 配線
25 配線
26 配線
27 配線
31 配線
32 配線
33 配線
34 配線
100 回路
101 トランジスタ
102 容量素子
103 容量素子
104 負荷
104a 発光素子
104b 発光素子
105 容量素子
105a 容量素子
105b 容量素子
201 回路
202 回路
203 回路
203a 回路
203b 回路
204 回路
205 回路
206 回路
207 回路
208 回路
220 回路
221 回路
222 回路
222a 回路
222b 回路
223 回路
224 回路
225 回路
226 回路
230 回路
231 回路
232 回路
233 回路
300 半導体膜
301 半導体膜
302 導電膜
303 導電膜
304 導電膜
305 導電膜
306 導電膜
307 導電膜
308 導電膜
309 導電膜
320 半導体膜
321 半導体膜
322 半導体膜
323 半導体膜
324 導電膜
325 導電膜
326 導電膜
327 導電膜
328 導電膜
329 導電膜
330 導電膜
331 導電膜
332 導電膜
333 半導体膜
501 半導体膜
502 絶縁膜
503 電極
504 導電膜
505 導電膜
506 第1の領域
507 第2の領域
508 第2の領域
509 第3の領域
510 第3の領域
520 絶縁膜
520a 第1の酸化絶縁膜
520b 第2の酸化絶縁膜
520c 第3の酸化絶縁膜
521 半導体膜
522 絶縁膜
523 電極
524 導電膜
525 導電膜
526 第1の領域
527 サイドウォール
528 絶縁膜
529 開口部
530 絶縁膜
530a 第1の酸化絶縁膜
530b 第2の酸化絶縁膜
531 半導体膜
532 絶縁膜
533 電極
534 導電膜
535 導電膜
536 第1の領域
537 第2の領域
538 第2の領域
539 サイドウォール
540 絶縁膜
550 第2の領域
551 第2の領域
602 ゲート電極
603 ゲート絶縁膜
604 半導体膜
605 導電膜
606 導電膜
607 絶縁膜
612 ゲート電極
613 ゲート絶縁膜
614 半導体膜
615 導電膜
616 導電膜
617 絶縁膜
618 チャネル保護膜
622 ゲート電極
623 ゲート絶縁膜
624 半導体膜
625 導電膜
626 導電膜
627 絶縁膜
642 ゲート電極
643 ゲート絶縁膜
644 半導体膜
645 導電膜
646 導電膜
647 絶縁膜
700 画素部
701 駆動回路
702 駆動回路
710 駆動回路
711 画素部
800 基板
801 絶縁膜
802 絶縁膜
803 絶縁膜
814 スイッチ
914 スイッチ
914t トランジスタ
932 配線
4001 基板
4002 画素部
4003 回路
4004 回路
4006 基板
4007 充填材
4008 トランジスタ
4009 トランジスタ
4010 トランジスタ
4011 発光素子
4012 対向電極
4013 発光層
4014 配線
4015 配線
4016 接続端子
4017 配線
4018 FPC
4019 異方性導電膜
4020 シール材
5001 筐体
5002 筐体
5003 表示部
5004 表示部
5005 マイクロフォン
5006 スピーカー
5007 操作キー
5008 スタイラス
5201 筐体
5202 表示部
5203 支持台
5401 筐体
5402 表示部
5403 キーボード
5404 ポインティングデバイス
5601 筐体
5602 表示部
5603 操作キー
5801 筐体
5802 表示部
5803 音声入力部
5804 音声出力部
5805 操作キー
5806 受光部
5901 筐体
5902 筐体
5903 表示部
5904 表示部
5905 接続部
5906 操作キー
9206 回路
900501 表示パネル
900513 FPC
900530 ハウジング
900531 プリント基板
900532 スピーカー
900533 マイクロフォン
900534 送受信回路
900535 信号処理回路
900536 入力手段
900537 バッテリー
900539 筐体
Claims (6)
- トランジスタと、第1の配線と、第2の配線と、第1のスイッチと、第2のスイッチと、第3のスイッチと、第1の容量素子と、第2の容量素子と、を有し、
前記第1のスイッチは、前記第1の配線と前記第1の容量素子の第1電極との間の導通または非導通を選択する機能を有し、
前記第1の容量素子の前記第1電極は、前記第2の容量素子の第1電極と電気的に接続され、
前記第1の容量素子の第2電極は、前記トランジスタのゲートと電気的に接続され、
前記第2の容量素子の第2電極は、前記トランジスタのソース及びドレインの一方と電気的に接続され、
前記第2のスイッチは、前記第2の配線と、前記トランジスタの前記ゲートとの間の導通または非導通を選択する機能を有し、
前記第3のスイッチは、前記第1の容量素子の前記第1電極と、前記トランジスタのソース及びドレインの一方との間の導通または非導通を選択する機能を有する半導体装置。 - トランジスタと、第1の配線と、第2の配線と、第1のスイッチと、第2のスイッチと、第3のスイッチと、第1の容量素子と、第2の容量素子と、負荷と、を有し、
前記第1のスイッチは、前記第1の配線と前記第1の容量素子の第1電極との間の導通または非導通を選択する機能を有し、
前記第1の容量素子の前記第1電極は、前記第2の容量素子の第1電極と電気的に接続され、
前記第1の容量素子の第2電極は、前記トランジスタのゲートと電気的に接続され、
前記第2の容量素子の第2電極は、前記負荷と、前記トランジスタのソース及びドレインの一方とに電気的に接続され、
前記第2のスイッチは、前記第2の配線と、前記トランジスタの前記ゲートとの間の導通または非導通を選択する機能を有し、
前記第3のスイッチは、前記第1の容量素子の前記第1電極と、前記トランジスタのソース及びドレインの一方との間の導通または非導通を選択する機能を有する半導体装置。 - 請求項1または請求項2において、前記トランジスタはnチャネル型である半導体装置。
- 請求項1乃至請求項3のいずれか1項において、前記トランジスタが有する半導体膜は、酸化物半導体を含む半導体装置。
- 請求項1乃至請求項3のいずれか1項において、前記第1のスイッチ乃至前記第3のスイッチは、トランジスタで構成されている半導体装置。
- 請求項5において、前記第1のスイッチ乃至前記第3のスイッチを構成する前記トランジスタは、nチャネル型である半導体装置。
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