JP7477711B2 - 駆動回路、駆動方法、及び表示装置 - Google Patents
駆動回路、駆動方法、及び表示装置 Download PDFInfo
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- JP7477711B2 JP7477711B2 JP2023504351A JP2023504351A JP7477711B2 JP 7477711 B2 JP7477711 B2 JP 7477711B2 JP 2023504351 A JP2023504351 A JP 2023504351A JP 2023504351 A JP2023504351 A JP 2023504351A JP 7477711 B2 JP7477711 B2 JP 7477711B2
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- 238000000034 method Methods 0.000 title claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- 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
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
-
- 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
- G09G3/3674—Details of drivers for scan electrodes
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0291—Details of output amplifiers or buffers arranged for use in a driving circuit
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- 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)
Description
本出願は、出願日が2020年7月21日で、出願番号が202010705189Xで、名称が「駆動回路、駆動方法、及び表示装置」の中国発明出願の優先権を主張するとともに、上記中国発明出願の全ての明細書、請求項、図面及び要約は、参照により、本出願に取り込まれる。
Claims (10)
- ディスプレイパネルを駆動するための駆動回路であって、
開始パルス信号と選択信号を提供するためのタイミングコントローラと、
複数のカスケード接続された駆動ユニットを含み、選択信号にしたがって複数の駆動ユニット内の一部の駆動ユニットが開始パルス信号を受信するように制御し、かつ前記開始パルス信号とデータ信号にしたがってグレースケール電圧を生成するための駆動モジュールとを含み、
前記複数の駆動ユニットはそれぞれ、デコーダ及びシフトレジスタを含み、
前記複数の駆動ユニットのうちの一つそれぞれの前記デコーダは、前記タイミングコントローラと、前記複数の駆動ユニットのうちの前記一つの中の前記レジスタとの間に接続されており、
前記選択信号にしたがって、前記複数の駆動ユニットの中の対応するデコーダが、前記対応するデコーダに接続されている前記シフトレジスタに前記開始パルス信号を伝達するように構成されている、ことを特徴とする駆動回路。 - 開始パルス信号を受信する一部の前記駆動ユニットは隣接する複数の駆動ユニットである、ことを特徴とする請求項1に記載の駆動回路。
- 前記複数の駆動ユニットはそれぞれ、
前記シフトレジスタ及びデータバスに接続され、前記開始パルス信号にしたがって前記データバスから前記データ信号を取得するためのラッチと、
前記ラッチ及び前記ディスプレイパネルに接続され、前記データ信号にしたがってグレースケール電圧を生成して前記ディスプレイパネルに印加するためのオペアンプとを含み、
前記デコーダは、前記選択信号及び前記開始パルス信号を受信するために前記タイミングコントローラに接続され、
前記シフトレジスタは、前記デコーダに接続され、前記開始パルス信号を受信して伝達する、ことを特徴とする請求項1に記載の駆動回路。 - 前記複数の駆動ユニット内のデコーダは順番に接続され、開始位置に位置する前記デコーダは選択信号を受信して伝達する、ことを特徴とする請求項3に記載の駆動回路。
- 前記複数の駆動ユニット内のいずれか一つの前記デコーダは前記選択信号にしたがって、前記開始パルス信号を、前記デコーダに接続されたシフトレジスタに印加する、ことを特徴とする請求項4に記載の駆動回路。
- 前記複数の駆動ユニット内のシフトレジスタは順番に接続され、前記開始パルス信号は前記シフトレジスタにおいて順番に一方向に伝達される、ことを特徴とする請求項5に記載の駆動回路。
- 前記複数の駆動ユニット内の前記デコーダは前記選択信号にしたがって、前記シフトレジスタ内の前記開始パルス信号の伝達を制御する、ことを特徴とする請求項6に記載の駆動回路。
- 表示装置の駆動方法であって、前記表示装置はディスプレイパネル、駆動モジュール、及びタイミングコントローラを含み、前記駆動モジュールは、複数のカスケード接続された駆動ユニットを含み、複数の駆動ユニットはそれぞれ、デコーダ及びシフトレジスタを含み、前記複数の駆動ユニットのうちの一つそれぞれの前記デコーダは、前記タイミングコントローラと、前記複数の駆動ユニットのうちの前記一つの中の前記レジスタとの間に接続されており、前記駆動方法は、
選択信号と開始パルス信号を前記タイミングコントローラを介して前記駆動モジュールに印加するステップと、
前記選択信号にしたがって、前記複数の駆動ユニットの中の対応するデコーダが、前記対応するデコーダに接続されている前記シフトレジスタに前記開始パルス信号を伝達することで前記複数の駆動ユニットのうちの一部の駆動ユニットが前記開始パルス信号を受信するように制御し、かつ前記開始パルス信号とデータ信号にしたがってグレースケール電圧を生成するステップとを含む、ことを特徴とする表示装置の駆動方法。 - 前記開始パルス信号は、前記複数のカスケード接続された駆動ユニットにおいて一方向に伝達される、ことを特徴とする請求項8に記載の駆動方法。
- 請求項1~7のいずれか一項に記載の駆動回路を含む、ことを特徴とする表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010705189.XA CN111833825B (zh) | 2020-07-21 | 2020-07-21 | 驱动电路,驱动方法及显示装置 |
CN202010705189.X | 2020-07-21 | ||
PCT/CN2021/094427 WO2022016970A1 (zh) | 2020-07-21 | 2021-05-18 | 驱动电路,驱动方法及显示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2023534730A JP2023534730A (ja) | 2023-08-10 |
JP7477711B2 true JP7477711B2 (ja) | 2024-05-01 |
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JP2023504351A Active JP7477711B2 (ja) | 2020-07-21 | 2021-05-18 | 駆動回路、駆動方法、及び表示装置 |
Country Status (5)
Country | Link |
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US (1) | US11978421B2 (ja) |
JP (1) | JP7477711B2 (ja) |
KR (1) | KR20220079965A (ja) |
CN (1) | CN111833825B (ja) |
WO (1) | WO2022016970A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111833825B (zh) * | 2020-07-21 | 2023-06-02 | 北京集创北方科技股份有限公司 | 驱动电路,驱动方法及显示装置 |
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-
2020
- 2020-07-21 CN CN202010705189.XA patent/CN111833825B/zh active Active
-
2021
- 2021-05-18 WO PCT/CN2021/094427 patent/WO2022016970A1/zh active Application Filing
- 2021-05-18 JP JP2023504351A patent/JP7477711B2/ja active Active
- 2021-05-18 US US18/017,401 patent/US11978421B2/en active Active
- 2021-05-18 KR KR1020227015910A patent/KR20220079965A/ko not_active Application Discontinuation
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JP2004348013A (ja) | 2003-05-26 | 2004-12-09 | Seiko Epson Corp | 半導体集積回路 |
JP2005173592A (ja) | 2003-12-11 | 2005-06-30 | Lg Phillips Lcd Co Ltd | データ駆動集積回路及びその駆動方法とそれを利用した表示装置 |
JP2006295607A (ja) | 2005-04-12 | 2006-10-26 | Sanyo Electric Co Ltd | 映像信号処理装置及びその映像信号処理装置を備えたディスプレイ装置 |
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Publication number | Publication date |
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KR20220079965A (ko) | 2022-06-14 |
JP2023534730A (ja) | 2023-08-10 |
WO2022016970A1 (zh) | 2022-01-27 |
CN111833825A (zh) | 2020-10-27 |
CN111833825B (zh) | 2023-06-02 |
US11978421B2 (en) | 2024-05-07 |
US20230260474A1 (en) | 2023-08-17 |
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