WO2019171204A1 - 表示装置および電子機器 - Google Patents
表示装置および電子機器 Download PDFInfo
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- WO2019171204A1 WO2019171204A1 PCT/IB2019/051513 IB2019051513W WO2019171204A1 WO 2019171204 A1 WO2019171204 A1 WO 2019171204A1 IB 2019051513 W IB2019051513 W IB 2019051513W WO 2019171204 A1 WO2019171204 A1 WO 2019171204A1
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- transistor
- electrode
- electrically connected
- wiring
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Abstract
Description
本実施の形態では、本発明の一態様である表示装置について、図面を参照して説明する。
本実施の形態では、液晶素子を用いた表示装置の構成例と、EL素子を用いた表示装置の構成例について説明する。なお、本実施の形態においては、実施の形態1で説明した表示装置の要素、動作および機能の説明は省略する。
本実施の形態では、上記実施の形態に示した各トランジスタに置き換えて用いることのできるトランジスタの一例について、図面を用いて説明する。
図19(A1)は、ボトムゲート型のトランジスタの一種であるチャネル保護型のトランジスタ810のチャネル長方向の断面図である。図19(A1)において、トランジスタ810は基板771上に形成されている。また、トランジスタ810は、基板771上に絶縁層772を介して電極746を有する。また、電極746上に絶縁層726を介して半導体層742を有する。電極746はゲート電極として機能できる。絶縁層726はゲート絶縁層として機能できる。
図21(A1)に例示するトランジスタ842は、トップゲート型のトランジスタの1つである。電極744aおよび電極744bは、絶縁層728および絶縁層729に形成した開口部において半導体層742と電気的に接続する。
本発明の一態様に係る表示装置を用いることができる電子機器として、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記憶装置または画像再生装置、携帯電話、携帯型を含むゲーム機、携帯データ端末、電子書籍端末、ビデオカメラ、デジタルスチルカメラ等のカメラ、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、プリンタ複合機、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23に示す。
Claims (9)
- 第1のノードと、第2のノードと、第3のノードと、表示素子と、が設けられた画素を有し、
前記第1のノードおよび前記第2のノードに第1のデータを書き込む機能と、
前記第2のノードに保持されている前記第1のデータを前記第3のノードに読み出す機能と、
前記第1のノードに保持されている前記第1のデータと前記第3のノードに読み出された前記第1のデータとの容量結合によって前記第1のノードに第2のデータを生成する機能と、
前記第2のデータを前記表示素子に供給して表示を行う機能と、
を有する表示装置。 - 第1の画素と、第2の画素と、第1の配線と、第2の配線と、を有し、
前記第1の画素および前記第2の画素のそれぞれには、第1のノードと、第2のノードと、第3のノードと、表示素子と、が設けられ、
前記第1の配線は前記第1の画素と電気的に接続され、
前記第2の配線は前記第1の画素と電気的に接続され、
前記第2の配線は前記第2の画素と電気的に接続され、
前記第1のノードおよび前記第2のノードに第1のデータを書き込む第1の機能と、
前記第2のノードに保持されている前記第1のデータを前記第3のノードに読み出す第2の機能と、
前記第1のノードに保持されている前記第1のデータと前記第3のノードに読み出された前記第1のデータとの容量結合によって、前記第1のノードに第2のデータを生成する第3の機能と、
前記第2のデータを前記表示素子に供給して表示を行う第4の機能と、を有し、
前記第1の配線に第1の信号が供給されたとき、前記第1の画素では前記第1の機能が働き、
前記第2の配線に第2の信号が供給されたとき、前記第1の画素では前記第2乃至前記第4の機能が働き、前記第2の画素では前記第1の機能が働く表示装置。 - 第1の画素と、第2の画素と、第1の配線と、第2の配線と、第3の配線と、第4の配線と、を有し、
前記第1の画素および前記第2の画素は、第1のトランジスタと、第2のトランジスタと、第3のトランジスタと、第4のトランジスタと、第1の容量素子と、第2の容量素子と、回路ブロックと、を有し、
前記第1のトランジスタのソースまたはドレインの一方は、前記第1の容量素子の一方の電極と電気的に接続され、
前記第1の容量素子の一方の電極は、前記第2のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第2のトランジスタのソースまたはドレインの他方は、前記第3のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第3のトランジスタのソースまたはドレインの一方は、前記第2の容量素子の一方の電極と電気的に接続され、
前記第2の容量素子の他方の電極は、前記第4のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第4のトランジスタのソースまたはドレインの一方は、前記回路ブロックと電気的に接続され、
前記第1の画素において、
前記第1のトランジスタのソースまたはドレインの他方は、前記第1の配線に電気的に接続され、
前記第4のトランジスタのソースまたはドレインの他方は、前記第1の配線に電気的に接続され、
前記第1のトランジスタのゲートは、前記第2の配線と電気的に接続され、
前記第2のトランジスタのゲートは、前記第3の配線と電気的に接続され、
前記第3のトランジスタのゲートは、前記第2の配線と電気的に接続され、
前記第4のトランジスタのゲートは、前記第2の配線と電気的に接続され、
前記第2の画素において、
前記第1のトランジスタのソースまたはドレインの他方は、前記第1の配線に電気的に接続され、
前記第4のトランジスタのソースまたはドレインの他方は、前記第1の配線に電気的に接続され、
前記第1のトランジスタのゲートは、前記第3の配線と電気的に接続され、
前記第2のトランジスタのゲートは、前記第4の配線と電気的に接続され、
前記第3のトランジスタのゲートは、前記第3の配線と電気的に接続され、
前記第4のトランジスタのゲートは、前記第3の配線と電気的に接続され、
前記回路ブロックは、表示素子を有する表示装置。 - 請求項3において、
前記回路ブロックは、第5のトランジスタと、第6のトランジスタと、第3の容量素子と、前記表示素子として有機EL素子と、を有し、
前記有機EL素子の一方の電極は、前記第6のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第6のトランジスタのソースまたはドレインの他方は、前記第3の容量素子の一方の電極と電気的に接続され、
前記第3の容量素子の一方の電極は、前記第5のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第5のトランジスタのゲートは、前記第3の容量素子の他方の電極と電気的に接続され、
前記第3の容量素子の他方の電極は、前記第2の容量素子の他方の電極と電気的に接続されている表示装置。 - 請求項4において、
前記第5のトランジスタのソースまたはドレインの他方は、前記第3のトランジスタのソースまたはドレインの他方と電気的に接続されている表示装置。 - 請求項3において、
前記回路ブロックは、第7のトランジスタと、第4の容量素子と、前記表示素子として液晶素子と、を有し、
前記液晶素子の一方の電極は、前記第4の容量素子の一方の電極と電気的に接続され、
前記第4の容量素子の一方の電極は、前記第7のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第7のトランジスタのソースまたはドレインの他方は、前記第2の容量素子の他方の電極と電気的に接続されている表示装置。 - 請求項6において、
前記第4の容量素子の他方の電極は、前記第3のトランジスタのソースまたはドレインの他方と電気的に接続されている表示装置。 - 請求項3乃至7のいずれか一項において、
前記第4のトランジスタは、チャネル形成領域に金属酸化物を有し、前記金属酸化物は、Inと、Znと、M(MはAl、Ti、Ga、Ge、Sn、Y、Zr、La、Ce、NdまたはHf)と、を有する表示装置。 - 請求項1乃至8のいずれか一項に記載の表示装置と、カメラと、を有する電子機器。
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