JP2019527844A - 電子回路及び駆動方法、表示パネル、並びに表示装置 - Google Patents
電子回路及び駆動方法、表示パネル、並びに表示装置 Download PDFInfo
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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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- G09G3/32—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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- G09G3/3225—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
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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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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- 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
- 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]
- G09G3/3266—Details of drivers for scan electrodes
Abstract
Description
本出願は、2016年7月11日に提出した中国特許出願No.201610543844.Xの優先権を主張し、その内容が全て本出願に援用される。
図2Aに示すように、駆動トランジスタM0はP型トランジスタであり、すべてのスイッチトランジスタはP型トランジスタである。このため、各スイッチトランジスタは、高電位の印加時にOFFであり、低電位の印加時にONである。対応する入力時系列図を図3Aに示す。
図2Bに示すように、駆動トランジスタM0はP型トランジスタであり、すべてのスイッチトランジスタはN型スイッチトランジスタであってもよい。各スイッチトランジスタは、高電位の印加時にONであり、低電位の印加時にOFFである。対応する入力時系列図を図3Bに示す。
2 電源電圧制御サブ回路
3 通電制御サブ回路
4 ストレージサブ回路
5 発光制御サブ回路
31 通電制御副部
32 通電制御副部
Claims (23)
- 第1端子と、第2端子と、第3端子と、を備え、前記第1端子は、第2ノードに結合され、第1端子から第2端子へ流れる電流は、第3端子からの信号によって制御され、前記第2端子を介して前記電子部品を駆動するように構成される、駆動サブ回路と、
データ信号端子、スキャン信号端子及び第1ノードに結合され、前記スキャン信号端子の制御下で前記データ信号端子から前記第1ノードへ信号を供給するように構成される、第1サブ回路と、
第1電源端子、第1制御信号端子及び第2ノードに結合され、前記第1制御信号端子の制御下で前記第1電源端子から前記第2ノードへ信号を供給するように構成される、第2サブ回路と、
前記スキャン信号端子、第2電源端子、前記駆動サブ回路の前記第2端子及び前記第3端子に結合され、前記スキャン信号端子及び前記第2電源端子を介して前記駆動サブ回路をダイオード接続又はソースフォロー接続に制御するように構成される、第3サブ回路と、
前記第1ノード及び前記第2ノードに結合され、前記第1ノードからの信号及び前記第2ノードからの信号の制御下で充電又は放電し、前記第1ノードがフローティング状態にあるときに、前記第1ノードと前記第2ノードとの間で安定した電位差を維持するように構成される、第4サブ回路と、
第2制御信号端子、前記第1ノード、前記駆動サブ回路の前記第2端子及び前記第3端子、並びに前記電子部品の前記第1端子に結合され、前記第2制御信号端子の制御下で、前記第1ノードを前記駆動サブ回路の前記第3端子と電気的に結合し、前記駆動サブ回路の前記第2端子を前記電子部品と電気的に結合することで、前記駆動サブ回路を制御して前記電子部品を駆動する、第5サブ回路と、を備え、電子部品を流れる基本的に安定した動作電流を維持するように構成された電子回路。 - 前記駆動サブ回路は駆動トランジスタを備え、その前記第1端子、前記第2端子及び前記第3端子は、それぞれ前記駆動トランジスタのソース電極、ドレイン電極及びゲート電極である、請求項1に記載の電子回路。
- 前記第3サブ回路は、
第1端子が前記スキャン信号端子に結合され、
第2端子が信号端子に結合され、
第3端子が前記駆動トランジスタの前記ゲート電極に結合され、
前記スキャン信号端子の制御下で前記信号端子から前記駆動トランジスタの前記ゲート電極へ信号を供給するように構成され、前記信号の電圧は前記第2電源端子の電圧以下である、第1副部と、
第1端子が前記スキャン信号端子に結合され、
第2端子が前記第2電源端子に結合され、
第3端子が前記駆動トランジスタの前記ドレイン電極に結合され、
前記スキャン信号端子の制御下で前記第2電源端子から前記駆動トランジスタの前記ドレイン電極へ信号を供給するように構成される、第2副部と、を備える、請求項2に記載の電子回路。 - 前記第1副部は第1スイッチトランジスタを備え、
前記第1スイッチトランジスタのゲート電極は前記スキャン信号端子に結合され、
前記第1スイッチトランジスタのソース電極は前記信号端子に結合され、
前記第1スイッチトランジスタのドレイン電極は前記駆動トランジスタの前記ゲート電極に結合される、請求項3に記載の電子回路。 - 前記第2副部は第2スイッチトランジスタを備え、
前記第2スイッチトランジスタのゲート電極は前記スキャン信号端子に結合され、
前記第2スイッチトランジスタのソース電極は前記第2電源端子に結合され、
前記第2スイッチトランジスタのドレイン電極は前記駆動トランジスタの前記ドレイン電極に結合される、請求項4に記載の電子回路。 - 前記信号端子は前記第2電源端子である、請求項4に記載の電子回路。
- 前記信号端子は、前記第2電源端子の電圧よりも低い電圧を有する信号を供給するように構成されたイニシャル信号端子である、請求項4に記載の電子回路。
- 前記第1サブ回路、前記第2サブ回路又は前記第5サブ回路の少なくともひとつがスイッチトランジスタを備える、請求項1に記載の電子回路。
- 前記第1サブ回路は第3スイッチトランジスタを備え、
前記第3スイッチトランジスタのゲート電極は前記スキャン信号端子に結合され、
前記第3スイッチトランジスタのソース電極は前記データ信号端子に結合され、
前記第3スイッチトランジスタのドレイン電極は前記第1ノードに結合される、請求項8に記載の電子回路。 - 前記第2サブ回路は第4スイッチトランジスタを備え、
前記第4スイッチトランジスタのゲート電極は前記第1制御信号端子に結合され、
前記第4スイッチトランジスタのソース電極は前記第1電源端子に結合され、
前記第4スイッチトランジスタのドレイン電極は前記第2ノードに結合される、請求項8に記載の電子回路。 - 前記第5サブ回路は、
ゲート電極が前記第2制御信号端子に結合され、
ソース電極が前記第1ノードに結合され、
ドレイン電極が前記駆動トランジスタの前記ゲート電極に結合される、第5スイッチトランジスタと、
ゲート電極が前記第2制御信号端子に結合され、
ソース電極が前記駆動トランジスタの前記ドレイン電極に結合され、
ドレイン電極が前記電子部品の前記第1端子に結合される、第6スイッチトランジスタと、を備える、請求項8に記載の電子回路。 - 前記第4サブ回路はキャパシタを備え、
前記キャパシタの第1端子は前記第1ノードに結合され、
前記キャパシタの第2端子は前記第2ノードに結合される、請求項1に記載の電子回路。 - 前記駆動トランジスタはP型トランジスタである、請求項2に記載の電子回路。
- 前記電子部品は発光部品を備える、請求項1〜13のいずれか一項に記載の電子回路。
- 前記発光部品が有機発光ダイオード(OLED)を備え、前記駆動トランジスタのスレショルド電圧又は前記第1電源端子の電源電圧と無関係に、前記駆動トランジスタを流れる基本的に安定した動作電流を維持するように構成される、請求項14に記載の電子回路。
- 請求項1〜15のいずれか一項に記載の電子回路を備える、表示パネル。
- 請求項16に記載の表示パネルを備える、表示装置。
- 前記1サブ回路は、前記スキャン信号端子の制御下で前記データ信号端子から前記第1ノードへ信号を供給し、
前記2サブ回路は、前記第1制御端子の制御下で前記第1電源端子から前記第2ノードへ信号を供給し、
前記4サブ回路は、前記第1ノードからの信号及び前記第2ノードからの信号の制御下で充電し、
前記3サブ回路は、前記信号端子及び前記第2電源端子を介して前記駆動トランジスタをダイオード接続又はソースフォロー接続に制御する、第1ステージと、
前記第1サブ回路は、前記スキャン信号端子の制御下で前記データ信号端子から前記第1ノードへ信号を供給し、
前記3サブ回路は、前記信号端子及び前記第2電源端子を介して前記駆動トランジスタをダイオード接続又はソースフォロー接続に制御し、
前記4サブ回路は、前記第1ノードからの信号及び前記第2ノードからの信号の制御下で放電する、第2ステージと、
前記2サブ回路は、前記第1制御信号端子の制御下で前記第1電源端子から前記第2ノードへ信号を供給し、
前記4サブ回路は、前記第1ノードがフローティング状態にあるときに前記第1ノードと前記第2ノードとの間で安定した電位差を維持する第3ステージと、
前記2サブ回路は、前記第1制御信号端子の制御下で前記第1電源端子から前記第2ノードへ信号を供給し、
前記第5サブ回路は、第2制御信号端子の制御下で、前記第1ノードを前記駆動トランジスタの前記ゲート電極と通電させ、前記駆動トランジスタの前記ドレイン電極を前記発光部品と通電させることで、前記駆動トランジスタを制御して前記電子部品を駆動する、第4ステージと、を含む、請求項2に記載の電子回路を駆動する方法。 - 前記駆動トランジスタがサチュレーションモードのときに、前記駆動トランジスタを流れる動作電流は、前記駆動トランジスタのスレショルド電圧又は前記第1電源端子の電源電圧と無関係である、請求項18に記載の方法。
- 前記信号端子は前記第2電源端子の電圧よりも低い電圧を有する信号を供給するように構成されたイニシャル信号端子であり、前記第3サブ回路は前記信号端子及び前記第2電源端子を介して前記駆動トランジスタをソースフォロー接続に制御し、
前記駆動トランジスタを流れる動作電流は次の公式を満たし、
- 前記電子部品は発光部品を備える、請求項18に記載の方法。
- 前記発光部品は有機発光ダイオード(OLED)を備える、請求項22に記載の方法。
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