JP6654701B2 - 発光ダイオードを備えたディスプレイ - Google Patents
発光ダイオードを備えたディスプレイ Download PDFInfo
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- 239000003990 capacitor Substances 0.000 claims description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 30
- 229910052710 silicon Inorganic materials 0.000 claims description 30
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
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- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- H01L27/1222—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
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- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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- Thin Film Transistor (AREA)
Description
Claims (16)
- ディスプレイであって、
ディスプレイドライバ回路と、
画素のアレイと、
前記ディスプレイドライバ回路と前記画素との間で信号を伝える信号線と、
を備え、各画素が、
正電源と、
接地電源と、
前記正電源と前記接地電源との間で、第1のトランジスタと、第2のトランジスタと、発光ダイオードの順序で直列に結合され、前記第1のトランジスタが前記正電源と接続され、前記発光ダイオードが前記接地電源と接続された、第1のトランジスタと、第2のトランジスタと、発光ダイオードと、
前記信号線のうちの基準電圧線と前記第2のトランジスタのゲートとの間に結合された第1のスイッチングトランジスタと、前記信号線のうちのデータ線と前記第2のトランジスタのソースとの間に結合された第2のスイッチングトランジスタと、前記第2のトランジスタの前記ゲートと前記ソースとの間に結合されたコンデンサと、
を含み、
前記第1のスイッチングトランジスタが半導体酸化物トランジスタであり、前記第2のスイッチングトランジスタがシリコントランジスタである、ディスプレイ。 - 前記第1のトランジスタ及び前記第2のトランジスタがシリコントランジスタである、請求項1に記載のディスプレイ。
- 前記第1のスイッチングトランジスタがnチャネルトランジスタであり、前記第2のスイッチングトランジスタ、前記第1のトランジスタ及び前記第2のトランジスタがpチャネルトランジスタである、請求項2に記載のディスプレイ。
- 前記データ線が、電流感知動作中に感知された電流を前記第2のトランジスタから前記ディスプレイドライバ回路に伝達し、データロード動作中にデータ信号を前記コンデンサに伝達する共用経路である、請求項3に記載のディスプレイ。
- 画素の前記アレイが、前記画素の列と前記画素の行とを含み、前記信号線が、前記列のそれぞれにおいて、前記列内の前記画素のそれぞれの前記データ線として機能する個別の信号線を含む、請求項4に記載のディスプレイ。
- 前記基準電圧線が、前記ディスプレイドライバ回路から画素の前記行及び列内の前記画素のそれぞれに共通電圧を供給するグローバル信号経路を含む、請求項5に記載のディスプレイ。
- 前記第1のスイッチングトランジスタがnチャネルトランジスタを含み、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2のスイッチングトランジスタがpチャネルトランジスタを含む、請求項1に記載のディスプレイ。
- ディスプレイであって、
ディスプレイドライバ回路と、
画素のアレイと、
前記ディスプレイドライバ回路と前記画素との間で信号を伝える信号線と、
を備え、各画素が、
正電源と接地電源との間で、前記正電源に結合されたソースを有する第1のトランジスタと、第2のトランジスタと、発光ダイオードとの順序で直列に結合され、前記発光ダイオードが前記接地電源に結合された、第1のトランジスタと、第2のトランジスタと、発光ダイオードと、
前記信号線のうちの基準電圧線と、前記第1のトランジスタのゲートとの間に結合された第1のスイッチングトランジスタと、前記基準電圧線と、前記第2のトランジスタと前記発光ダイオードとの間のノードとの間に結合された第2のスイッチングトランジスタと、前記第1のトランジスタの前記ゲートと前記ソースとの間に結合されたコンデンサと、前記信号線のうちのデータ線と前記第1のトランジスタの前記ソースとの間に接続された第3のスイッチングトランジスタと、
を含み、
前記第1のスイッチングトランジスタが半導体酸化物トランジスタであり、前記第2のスイッチングトランジスタと前記第3のスイッチングトランジスタとがシリコントランジスタである、ディスプレイ。 - 前記第2のスイッチングトランジスタ、前記第1のトランジスタ及び前記第2のトランジスタがpチャネルトランジスタを含む、請求項8に記載のディスプレイ。
- 前記第1のトランジスタ及び前記第2のトランジスタがシリコントランジスタを含み、前記画素が行及び列に配置され、前記画素の各列が、前記データ線を有し、かつ前記基準電圧線を有する、請求項9に記載のディスプレイ。
- ディスプレイであって、
ディスプレイドライバ回路と、
前記ディスプレイドライバ回路に結合されたデータ線と、
前記ディスプレイドライバ回路に結合された複数のゲート線と、
画素のアレイであって、前記画素が、前記ディスプレイドライバ回路から前記データ線を介してデータを受信し、前記ディスプレイドライバ回路から前記複数のゲート線を介して受信した制御信号によって制御され、
画素の前記アレイ内の各画素が、正電源端子と接地電源端子との間で、第1のトランジスタ、第2のトランジスタ、第3のトランジスタ、発光ダイオードの順序で直列に結合され、前記第1のトランジスタと前記正電源端子が結合され、前記発光ダイオードと前記接地電源端子とが結合された、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、発光ダイオードとを有し、各画素が、前記第2のトランジスタのソース端子と前記第2のトランジスタのゲート端子との間に結合されたコンデンサを有し、各画素が、基準電圧線と前記第2のトランジスタの前記ゲートとの間に結合された第1のスイッチングトランジスタを有し、かつ前記データ線のうちの1本と前記第2のトランジスタの前記ソース端子との間に結合された第2のスイッチングトランジスタを有し、前記複数のゲート線が、前記第1及び第3のトランジスタ並びに前記第1及び第2のスイッチングトランジスタに前記制御信号を供給し、前記第1のスイッチングトランジスタが半導体酸化物活性領域を有し、前記第2のスイッチングトランジスタ、前記第1、第2及び第3のトランジスタがシリコン活性領域を有する、画素のアレイと、
を備えるディスプレイ。 - 前記ディスプレイドライバ回路が、前記第2のトランジスタを事前調整するために前記第2のトランジスタにオンバイアスストレスを印加するオンバイアスストレス期間において、前記制御信号及びデータを供給して画素の前記アレイを動作させるように構成されている、請求項11に記載のディスプレイ。
- 前記ディスプレイドライバ回路が、感知期間中に前記データ線を流れる電流を測定することによって前記第2のトランジスタに対する閾値電圧測定を行うように構成されている、請求項11に記載のディスプレイ。
- 前記ディスプレイドライバ回路が、前記感知期間中に前記複数のゲート線を介して前記制御信号を供給して、前記第1のスイッチングトランジスタをオフにし、前記第2のスイッチングトランジスタをオンにし、前記第1のトランジスタをオフにし、かつ前記第3のトランジスタをオンにするように構成されている、請求項13に記載のディスプレイ。
- 前記ディスプレイドライバ回路が、前記感知期間中に前記複数のゲート線を介して前記制御信号を供給して、前記第1のスイッチングトランジスタをオンにし、前記第2のスイッチングトランジスタをオンにし、前記第1のトランジスタをオフにし、かつ前記第3のトランジスタをオンにするように構成されている、請求項13に記載のディスプレイ。
- ディスプレイであって、
ディスプレイドライバ回路と、
前記ディスプレイドライバ回路に結合されたデータ線と、
前記ディスプレイドライバ回路に結合された複数のゲート線と、
画素のアレイであって、前記画素が、前記ディスプレイドライバ回路から前記データ線を介してデータを受信し、前記ディスプレイドライバ回路から前記複数のゲート線を介して受信した制御信号によって制御され、
画素の前記アレイ内の各画素が、正電源端子と接地電源端子との間で、第1のトランジスタ、第2のトランジスタ、第3のトランジスタ、アノード及びカソードを有する発光ダイオードの順序で直列に結合され、前記第1のトランジスタが前記正電源端子と結合され、前記発光ダイオードの前記カソードが前記接地電源端子と結合された、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、発光ダイオードとを有し、各画素が、前記第2のトランジスタのソース端子と前記第2のトランジスタのゲート端子との間に結合されたコンデンサを有し、各画素が、基準電圧線と前記第2のトランジスタの前記ゲートとの間に結合された第1のスイッチングトランジスタを有し、かつ前記データ線のうちの1本と前記第2のトランジスタの前記ソース端子との間に結合された第2のスイッチングトランジスタを有し、各画素が、前記基準電圧線と前記発光ダイオードの前記アノードとの間に結合されたバイパストランジスタを有し、前記複数のゲート線が、前記第1及び第3のトランジスタ並びに前記第1及び第2のスイッチングトランジスタに前記制御信号を供給し、前記第1のスイッチングトランジスタが半導体酸化物活性領域を有し、前記第2のスイッチングトランジスタ、前記第1、前記第2及び前記第3のトランジスタ並びに前記バイパストランジスタがシリコン活性領域を有する、画素のアレイと、
を備えるディスプレイ。
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