JP2020523617A - 画素回路を駆動するための方法、画像回路及び表示パネル - Google Patents
画素回路を駆動するための方法、画像回路及び表示パネル Download PDFInfo
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- G09G3/20—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
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- 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]
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- G09G3/3258—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 voltage across the light-emitting element
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- 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]
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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]
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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]
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- G09G2320/00—Control of display operating conditions
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- G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
- G09G2320/0295—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel by monitoring each display pixel
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- G09G2320/04—Maintaining the quality of display appearance
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- G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
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Abstract
Description
本願は2017年6月15日に提出された、中国特許出願第201710451096.7号の優先権を主張し、ここでは上記中国特許出願で公開の内容を本願の一部として参照により援用する。
Claims (17)
- 第1の時間帯において、画素回路のデータ信号端にゼロ電圧信号を提供するステップと、
第2の時間帯において、前記画素回路の第1の走査信号端に第1のオン信号を提供し、前記画素回路の第2の走査信号端に第2のオン信号を提供し、前記データ信号端に第1のレベルデータ信号またはゼロ電圧信号を提供するステップと、
第3の時間帯において、前記第1の走査信号端に前記第1のオン信号を提供することを保持し、前記第2の走査信号端に前記第2のオン信号を提供することを保持し、前記データ信号端に前記第1のレベルデータ信号から下降する下降データ信号を提供するステップと、
第4の時間帯において、前記データ信号端に第2のレベルデータ信号を提供するステップと、
第5の時間帯において、前記データ信号端にゼロ電圧信号を提供するステップと、
を含む、画素回路を駆動するための方法。 - 前記第1の時間帯において、前記第1の走査信号端に第1のオン信号を提供し、前記第2の走査信号端に第2のオン信号を提供する、
請求項1に記載の方法。 - 前記第1の時間帯において、前記画素回路のデータ信号端にゼロ電圧信号を提供し始めると同時にまたは提供し始めた後、前記第1の走査信号端に第1のオン信号を提供し、前記第2の走査信号端に第2のオン信号を提供する、
請求項2に記載の方法。 - 前記第1の時間帯において、前記第1の走査信号端にオフ信号を提供し、前記第2の走査信号端にオフ信号を提供する、
請求項1に記載の方法。 - 前記第1のレベルデータ信号の数値は前記第2のレベルデータ信号の数値よりも小さい、
請求項1に記載の方法。 - 前記下降データ信号は段階的な下降データ信号である、
請求項1に記載の方法。 - 前記段階的な下降データ信号は4段階の段階的な下降データ信号である、
請求項6に記載の方法。 - 前記第4の時間帯において、前記第1の走査信号端に前記第1のオン信号を提供し且つオフ信号を提供することで、前記画素回路の誘導信号端に充電し、前記第2の走査信号端に前記第2のオン信号を提供し且つオフ信号を提供することで、前記誘導信号端の補償データを取得する、
請求項1〜7のいずれか一項に記載の方法。 - 前記第4の時間帯は第1のサブ時間帯、第2のサブ時間帯と第3のサブ時間帯を含み、
前記第1のサブ時間帯において、前記第1の走査信号端に前記第1のオン信号を提供し、前記第2の走査信号端に前記第2のオン信号を提供し、前記データ信号端に前記第2のレベルデータ信号を提供し、
前記第2のサブ時間帯において、前記第1の走査信号端に前記オフ信号を提供し、前記第2の走査信号端に前記第2のオン信号を提供し、前記データ信号端に前記第2のレベルデータ信号を提供することで、前記誘導信号端に充電し、
前記第3のサブ時間帯において、前記第1の走査信号端に前記オフ信号を提供することを保持し、前記第2の走査信号端に前記オフ信号を提供し、前記データ信号端に前記第2のレベルデータ信号を提供することで、前記誘導信号端の補償データを取得する、
請求項8に記載の方法。 - 前記第5の時間帯において、前記第1の走査信号端に前記第1のオン信号を提供し、前記第2の走査信号端に前記第2のオン信号を提供し、前記データ信号端にゼロ電圧信号を提供した後、ゲインデータ信号を提供する、
請求項8に記載の方法。 - 前記ゲインデータ信号は前記補償データに予め設定された係数を乗算して得られたものである、
請求項10に記載の方法。 - 発光時間帯において、前記第1の走査信号端に前記第1のオン信号を提供し、前記第2の走査信号端にオフ信号を提供し、前記データ信号端に補償を経たデータ信号を提供することをさらに含む、
請求項8に記載の方法。 - 前記第1の時間帯、前記第2の時間帯、前記第3の時間帯、前記第4の時間帯と前記第5の時間帯は空白時間帯を構成し、
前記第1の時間帯が空白時間帯を占める時間は3%、前記第2の時間帯が前記空白時間帯を占める時間は10%、前記第3の時間帯が前記空白時間帯を占める時間は5%、前記第4の時間帯が前記空白時間帯を占める時間は79%、第5の時間帯が前記空白時間帯を占める時間は3%である、
請求項1〜7、9〜12のいずれか一項に記載の方法。 - 駆動トランジスタ、第1のトランジスタ、第2のトランジスタ、容量と発光デバイスを含み、
前記第1のトランジスタのゲートは前記第1の走査信号端に結合され、その第1の極が前記データ信号端に結合され、その第2の極が前記駆動トランジスタのゲートに結合され、
前記第2のトランジスタのゲートは前記第2の走査信号端に結合され、その第1の極が前記誘導信号端に結合され、その第2の極が第1のノードに結合され、
前記駆動トランジスタの第1の極は高電位信号端に結合され、その第2の極が前記第1のノードに結合され、
前記発光デバイスの一端は前記第1のノードに結合され、他端は接地され、
前記容量は前記第1のノードと前記駆動トランジスタのゲートとの間に結合される、
請求項1〜13のいずれか一項に記載の方法を用いて駆動する画素回路。 - 前記第1のトランジスタはN型トランジスタであり、前記第1のオン信号は高電圧信号であるか、または
前記第1のトランジスタはP型トランジスタであり、前記第1のオン信号は低電圧信号である、
請求項14に記載の画素回路。 - 前記第2のトランジスタはN型トランジスタであり、前記第2のオン信号は高電圧信号であるか、または
前記第2のトランジスタはP型トランジスタであり、前記第2のオン信号は低電圧信号である、
請求項15に記載の画素回路。 - 請求項14〜16のいずれか一項に記載の画素回路を含む表示パネル。
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Application Number | Priority Date | Filing Date | Title |
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CN201710451096.7 | 2017-06-15 | ||
CN201710451096.7A CN109147669B (zh) | 2017-06-15 | 2017-06-15 | 一种像素电路、其驱动方法及显示面板 |
PCT/CN2017/116504 WO2018227911A1 (zh) | 2017-06-15 | 2017-12-15 | 用于驱动像素电路的方法、像素电路以及显示面板 |
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EP (1) | EP3640926A4 (ja) |
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KR102468022B1 (ko) | 2018-11-20 | 2022-11-17 | 엘지디스플레이 주식회사 | 디스플레이 장치 및 구동 방법 |
CN111462705B (zh) * | 2020-04-14 | 2021-09-24 | Tcl华星光电技术有限公司 | 一种显示面板的驱动方法、显示装置 |
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CN109147669B (zh) | 2020-04-10 |
US11107407B2 (en) | 2021-08-31 |
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JP7107954B2 (ja) | 2022-07-27 |
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WO2018227911A1 (zh) | 2018-12-20 |
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