JP7405901B2 - 表示パネル、表示装置及び補償方法 - Google Patents
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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]
- G09G3/3225—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
- 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]
- 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]
- G09G3/3225—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
- G09G3/3233—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 current through the light-emitting element
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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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- G09G3/20—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
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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
- 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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- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
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- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0262—The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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- G09G2320/02—Improving the quality of display appearance
- 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
- G09G2320/043—Preventing or counteracting the effects of ageing
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- G—PHYSICS
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
Ioled=K(Vgs-Vth)2=K(Vdata-Vse-Vth)2
ここで、
ステップS20:発光電流又は発光電圧に従って補償電圧を生成する。
ステップS30:検知駆動ラインを介して画素回路に補償電圧を伝送する。
ステップS05:データラインを介して画素回路にデータ信号を伝送する。
11 データドライバ
12 検知ドライバ
13 走査ドライバ
14 検知駆動制御回路
100 画素回路
110 発光駆動回路
120 検知駆動制御回路
Claims (17)
- 表示パネルであって、
複数の行と複数の列とに配列される複数のサブ画素と、
前記複数のサブ画素と接続される複数のデータラインと、
前記複数のサブ画素と接続される複数の検知駆動ラインと、
前記複数の検知駆動ラインと接続される検知ドライバとを含み、
前記複数のサブ画素のそれぞれは、画素回路を含み、前記画素回路は、発光素子を含み、
前記検知ドライバは、前記複数の検知駆動ラインを介して前記複数のサブ画素における前記画素回路の前記発光素子の電気パラメータを検知するように配置され、
前記複数のサブ画素は、画素ユニットを構成し、前記画素ユニットは、四つのサブ画素を含み、
前記四つのサブ画素の画素回路は、前記複数のデータラインのうち同一のデータラインと接続され、
前記四つのサブ画素の前記画素回路の前記発光素子は、前記複数の検知駆動ラインのうち四つの検知駆動ラインと1対1の対応で接続され、
前記表示パネルは、前記複数のサブ画素の画素回路と接続される複数の検知制御ラインをさらに含み、
前記四つのサブ画素の前記画素回路は、前記複数の検知制御ラインのうち二つの検知制御ラインと接続され、
前記画素ユニットでは、前記四つのサブ画素が、第1行と第1列に配列された第1のサブ画素と、第1行と第2列に配列された第2のサブ画素と、第2行と第1列に配列された第3のサブ画素と、第2行と第2列に配列された第4のサブ画素とを含み、
前記第1のサブ画素と前記第2のサブ画素とは、前記二つの検知制御ラインのうち一方と接続され、
前記第3のサブ画素と前記第4のサブ画素とは、前記二つの検知制御ラインのうち他方と接続される
表示パネル。 - 前記画素ユニットでは、前記四つのサブ画素が2行と2列とに配列される
請求項1に記載の表示パネル。 - 前記複数のサブ画素の画素回路と接続される複数のゲートラインをさらに含み、
前記四つのサブ画素の画素回路は、前記複数のゲートラインのうち二つのゲートラインと接続され、
前記第1のサブ画素と前記第2のサブ画素とは、前記二つのゲートラインのうち一方と接続され、
前記第3のサブ画素と前記第4のサブ画素とは、前記二つのゲートラインのうち他方と接続される
請求項1または請求項2に記載の表示パネル。 - 前記検知ドライバは、電気パラメータに従って補償信号を生成し、前記複数の検知駆動ラインを介して前記複数のサブ画素の画素回路に対して前記補償信号を伝送するように配置される
請求項1または請求項2に記載の表示パネル。 - 前記複数のサブ画素の画素回路と接続される複数のゲートラインをさらに含み、
前記複数のサブ画素のうち同一の行のサブ画素の画素回路は、前記複数のゲートラインのうち同一のゲートラインと接続されている
請求項1または請求項2に記載の表示パネル。 - 前記複数のサブ画素の画素回路と接続される複数のゲートラインをさらに含み、
前記複数のサブ画素のうち第2m-1行のサブ画素の画素回路と前記複数のサブ画素のうち第2m行のサブ画素の画素回路は、前記複数のゲートラインのうち同一のゲートラインと接続されており、ここで、mが0より大きな整数である
請求項1または請求項2に記載の表示パネル。 - 前記複数のデータラインと前記複数の検知駆動ラインは、延伸方向が同じである
請求項1または請求項2に記載の表示パネル。 - 前記複数のサブ画素のうち各2列のサブ画素の画素回路の間には、前記複数のデータラインのうち一つだけ、又は、前記複数の検知駆動ラインのうち一つだけが設置されている
請求項1または請求項2に記載の表示パネル。 - 前記複数のデータラインと前記複数の検知駆動ラインは、同一の層において形成される
請求項1または請求項2に記載の表示パネル。 - 前記画素回路は、前記発光素子が動作の際に発光するように駆動する発光駆動回路と、前記複数の検知駆動ラインのうち一つの検知駆動ラインと前記画素回路における前記発光駆動回路との接続及び切断を制御するように配置される検知駆動制御回路とをさらに含む
請求項1または請求項2に記載の表示パネル。 - 前記発光駆動回路は、第1のトランジスタと、第2のトランジスタと、蓄積容量とを含み、
前記第1のトランジスタの第1の極は、第1の電源電圧を受信するように第1の電源ラインと接続され、前記第1のトランジスタのゲートは、第1のノードと接続され、前記第1のトランジスタの第2の極は、第2のノードと接続され、
前記第2のトランジスタの第1の極は、データ信号を受信するように複数の前記データラインのうち、前記画素回路に対応する前記データラインと接続され、前記第2のトランジスタのゲートは、ゲート駆動信号を受信するようにゲートラインと接続され、前記第2のトランジスタの第2の極は、前記第1のノードと接続され、
前記蓄積容量の第1の端は、前記第1のノードと接続され、前記蓄積容量の第2の端は、前記第2のノードと接続されている
請求項10に記載の表示パネル。 - 前記検知駆動制御回路は、第3のトランジスタを含み、
前記第3のトランジスタの第1の極は、第2のノードと接続され、前記第3のトランジスタのゲートは、検知駆動制御信号を受信するように、前記複数の検知制御ラインのうち、前記画素回路に対応する検知制御ラインと接続され、前記第3のトランジスタの第2の極は、前記複数の検知駆動ラインのうち、前記画素回路に対応する検知駆動ラインと接続されている
請求項10に記載の表示パネル。 - 前記複数のサブ画素の画素回路にデータ信号を提供するように配置されるデータドライバと、前記複数のサブ画素の前記画素回路にゲート駆動信号を提供するように配置される走査ドライバとをさらに含む
請求項1または請求項2に記載の表示パネル。 - 前記発光素子は、有機発光ダイオードであり、
前記電気パラメータは、前記有機発光ダイオードの発光電流又は発光電圧を含み、前記補償信号は、補償電圧又は補償電流を含む
請求項4に記載の表示パネル。 - 請求項1~請求項14のいずれか1項に記載の表示パネルを含む表示装置。
- 請求項1~請求項14のいずれか1項に記載の表示パネルにおける補償方法であって、
前記複数の検知駆動ラインを介して前記複数のサブ画素における前記画素回路の前記発光素子の電気パラメータを検知するステップと、
前記電気パラメータに従って補償信号を生成するステップと、
前記複数の検知駆動ラインを介して前記複数のサブ画素の前記画素回路に前記補償信号を伝送するステップとを含む
補償方法。 - 前記発光素子の電気パラメータを検知する前に、
前記複数のデータラインを介して前記画素回路にデータ信号を伝送するステップをさらに含む
請求項16に記載の補償方法。
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