JPWO2019224655A1 - 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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- JPWO2019224655A1 JPWO2019224655A1 JP2020520853A JP2020520853A JPWO2019224655A1 JP WO2019224655 A1 JPWO2019224655 A1 JP WO2019224655A1 JP 2020520853 A JP2020520853 A JP 2020520853A JP 2020520853 A JP2020520853 A JP 2020520853A JP WO2019224655 A1 JPWO2019224655 A1 JP WO2019224655A1
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- transistor
- electrode
- circuit
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- display device
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Images
Classifications
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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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、発光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21(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21(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23(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25に示す。
Claims (12)
- 画素と、第1の回路と、を有する表示装置であって、
前記画素と前記第1の回路とは電気的に接続され、
前記第1の回路は、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1の容量素子と、を有し、
前記第1のトランジスタ、前記第2のトランジスタ及び前記第3のトランジスタは表示領域外に設けられ、
前記第1の容量素子と前記画素は前記表示領域内に設けられ、
前記第1の回路は、第1のデータおよび第2のデータを加算して第3のデータを生成する機能を有し、
前記画素は、前記第3のデータを保持する機能、および前記第3のデータに応じて表示を行う機能を有し、
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、前記画素と前記第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の容量素子の他方の電極は、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2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、
前記第1の容量素子は、複数の第2の容量素子を有し、前記複数の第2の容量素子は並列接続されている表示装置。 - 画素と、第1の回路と、を有する表示装置であって、
前記画素と前記第1の回路とは電気的に接続され、
前記第1の回路は、トランジスタと、第1の容量素子と、を有し、
前記トランジスタは表示領域外に設けられ、
前記第1の容量素子は前記表示領域内に設けられ、
前記第1の回路は、第1のデータおよび第2のデータを加算して第3のデータを生成する機能を有し、
前記画素は、前記第3のデータを保持する機能、および前記第3のデータに応じて表示を行う機能を有する表示装置。 - 請求項2において、
前記第1の容量素子は複数の第2の容量素子を有し、前記複数の第2の容量素子は並列接続されている表示装置。 - 請求項2または3において、
前記第1の回路は、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1の容量素子と、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、前記画素と電気的に接続され、
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の容量素子の他方の電極は、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一方は、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2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2乃至4のいずれか一項において、
前記画素は、第4のトランジスタと、第2の回路と、を有し、
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、前記第1の回路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他方は、前記第2の回路と電気的に接続され、
前記第2の回路は、表示素子を有する表示装置。 - 請求項5において、
前記第2の回路は、第5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発光素子と、を有し、
前記第5のトランジスタのゲートは、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と電気的に接続され、
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は、前記発光素子の一方の電極と電気的に接続され、
前記発光素子の一方の電極は、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の容量素子の他方の電極は、前記第5のトランジスタのゲートと電気的に接続される表示装置。 - 請求項6において、
さらに前記第2の回路は、第6のトランジスタを有し、
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は、前記発光素子の一方の電極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ている表示装置。 - 請求項5において、
前記第2の回路は、前記表示素子として液晶素子を有し、
前記液晶素子の一方の電極は、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ている表示装置。 - 請求項8において、
さらに前記第2の回路は、第4の容量素子を有し、
前記第4の容量素子の一方の電極は、前記液晶素子の一方の電極と電気的に接続されている表示装置。 - 請求項2乃至9のいずれか一項において、
前記第1の回路および前記画素が有するトランジスタは、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、Sn、Y、Zr、La、Ce、NdまたはHf)と、を有する表示装置。 - 請求項2乃至10のいずれか一項において、
前記第1の回路が有するトランジスタのチャネル幅は、前記画素が有するトランジスタのチャネル幅よりも大きい表示装置。 - 請求項2乃至11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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KR20210029330A (ko) * | 2019-09-05 | 2021-03-16 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치의 화소, 및 유기 발광 표시 장치 |
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