JP2020148915A - 表示装置及び表示ドライバ - Google Patents
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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]
- G09G3/3275—Details of drivers for data electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/061—Details of flat display driving waveforms for resetting or blanking
- G09G2310/062—Waveforms for resetting a plurality of scan lines at a time
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of El Displays (AREA)
Abstract
Description
10 表示パネル
11 タイミングコントローラ
12 ソースドライバ
12A 第1ドライバIC
12B 第2ドライバIC
13 ゲートドライバ
20 表示パネル
21 アンロック状態検出回路
22 リセット信号生成回路
31 ゲート制御回路
32 リセット回路
Claims (9)
- 複数本のデータ線及び複数本の走査線と、前記複数本のデータ線及び複数本の走査線の交差部の各々に設けられた画素スイッチ及び画素部と、を有する表示パネルと、
前記画素スイッチをオンに制御するゲート信号を前記複数本の走査線に供給するゲートドライバと、
プリアンブルと前記表示パネルに表示される映像データとが交互に連続するシリアルデータ信号を出力する表示コントローラと、
前記表示コントローラとインタフェースを介して接続され、前記表示コントローラから前記インタフェースを介して伝送される前記シリアルデータ信号に基づいて、前記インタフェースの安定状態または非安定状態を検出し、前記映像データの供給時に前記インタフェースの非安定状態が検出された場合に、前記ゲートドライバからの前記ゲート信号の供給を停止させるためのゲートリセット信号を出力するソースドライバと、
を備えることを特徴とする表示装置。 - 前記ソースドライバは、前記シリアルデータ信号に基づいて前記インタフェースの安定状態または非安定状態を検出する検出部と、前記検出部に接続され、前記ゲートドライバに前記ゲートリセット信号を供給するゲートリセット信号出力部とを有することを特徴とする請求項1に記載の表示装置。
- 前記シリアルデータ信号のプリアンブルは、クロックトレーニング用のデータパターンを含み、
前記インタフェースは、前記クロックトレーニング用のデータパターンの伝送により非安定状態から安定状態へと切り替わり、
前記ソースドライバの前記検出部は、前記クロックトレーニング用のデータパターンの伝送後に前記インタフェースの安定状態で開始された前記映像データの伝送中に、前記インタフェースが非安定状態になったことを検出することを特徴とする請求項2に記載の表示装置。 - 前記シリアルデータ信号は、プリアンブルと前記表示パネルの1フレーム分の前記映像データとが交互に連続する信号であり、
前記表示パネルは、前記ゲートリセット信号に基づく前記ゲートドライバからの前記ゲート信号の供給の停止に応じて、前フレームにおける表示状態を保持することを特徴とする請求項2又は3に記載の表示装置。 - 前記ソースドライバは、前記複数本のデータ線に対する前記階調電圧信号の供給を分割して担う複数のドライバICから構成され、
前記複数のドライバICの各々は、前記検出部と、前記検出部によって前記表示コントローラとの間のインタフェースの非安定状態が検出されたことを示すロック信号を生成するロック信号生成部と、を有し、前記表示コントローラとの間のインタフェースにおいて互いに異なる部分を有するように前記表示コントローラと接続されるとともに、前記ロック信号を共有するための信号ラインを介して互いに接続され、
前記複数のドライバICのうちの少なくとも1のドライバICは、前記ゲートドライバと接続され、前記ロック信号に基づいて、前記複数のドライバICのうちのいずれかにおいて前記インタフェースの非安定状態が検出された場合に、前記ゲートリセット信号を前記ゲートドライバに供給することを特徴とする請求項2乃至4のいずれか1に記載の表示装置。 - 前記複数のドライバICの各々は、オープンドレイン出力の信号端子を有し、前記複数のドライバICのうちの他のドライバICと前記信号端子及び前記信号ラインを介して互いに接続されていることを特徴とする請求項5に記載の表示装置。
- 前記ゲートドライバは、記複数本の走査線に前記ゲート信号を供給するゲート制御回路と、
前記ゲートリセット信号に応じて、前記ゲート制御回路の動作を停止させるリセット回路と、を有することを特徴とする請求項1乃至6のいずれか1に記載の表示装置。 - 複数本のデータ線及び複数本の走査線と、前記複数本のデータ線及び前記複数本の走査線の交差部の各々に設けられた画素スイッチ及び画素部と、を有する表示パネルと、前記画素スイッチをオンに制御するゲート信号を前記複数本の走査線に供給するゲートドライバと、に接続され、映像データに対応する階調電圧信号を前記複数本のデータ線に供給する表示ドライバであって、
インタフェースを介して表示コントローラと接続され、前記表示コントローラから前記インタフェースを介して、プリアンブルと前記映像データとが交互に連続するシリアルデータ信号の供給を受け、
前記インタフェースを介して伝送された前記シリアルデータ信号に基づいて、前記インタフェースが安定状態および非安定状態であることを検出する検出部と、
前記映像データの供給時に前記インタフェースの非安定状態が前記検出部によって検出された場合に、前記ゲートドライバの動作を停止させるためのゲートリセット信号を出力するゲートリセット信号出力部と、
を有することを特徴とする表示ドライバ。 - 前記複数本のデータ線に対する前記階調電圧信号の供給を分割して担う複数のドライバICを含み、
前記複数のドライバICの各々は、前記検出部と、前記検出部によって前記表示コントローラとの間のインタフェースの非安定状態が検出されたことを示すロック信号を生成するロック信号生成部と、を有し、前記表示コントローラとの間のインタフェースにおいて互いに異なる部分を有するように前記表示コントローラと接続されるとともに、前記ロック信号を共有するための信号ラインを介して互いに接続され、
前記複数のドライバICのうちの少なくとも1のドライバICは、前記ゲートドライバと接続され、前記ロック信号に基づいて、前記複数のドライバICのうちのいずれかにおいて前記インタフェースの非安定状態が検出された場合に、前記ゲートリセット信号を前記ゲートドライバに供給することを特徴とする請求項8に記載の表示ドライバ。
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JP2019046651A JP7270422B2 (ja) | 2019-03-14 | 2019-03-14 | 表示装置及び表示ドライバ |
US16/816,300 US11393409B2 (en) | 2019-03-14 | 2020-03-12 | Display device and display driver |
CN202211379187.1A CN115631730A (zh) | 2019-03-14 | 2020-03-12 | 显示装置及显示驱动器 |
CN202010170319.4A CN111696492B (zh) | 2019-03-14 | 2020-03-12 | 显示装置及显示驱动器 |
US17/850,947 US11756490B2 (en) | 2019-03-14 | 2022-06-27 | Display device and display driver |
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US11749170B2 (en) | 2021-12-21 | 2023-09-05 | Sharp Display Technology Corporation | Display device with optimized protocol for source driver |
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KR20210086858A (ko) * | 2019-12-31 | 2021-07-09 | 삼성디스플레이 주식회사 | 표시 장치 |
CN116741109B (zh) * | 2023-05-29 | 2024-01-09 | 北京显芯科技有限公司 | 数据传输方法、显示装置及显示器 |
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US11756490B2 (en) | 2023-09-12 |
CN115631730A (zh) | 2023-01-20 |
US20200294453A1 (en) | 2020-09-17 |
CN111696492A (zh) | 2020-09-22 |
US20220328014A1 (en) | 2022-10-13 |
JP7270422B2 (ja) | 2023-05-10 |
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