JP7556780B2 - 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置 - Google Patents

信号レベル変換回路、駆動回路、表示ドライバ及び表示装置 Download PDF

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Publication number
JP7556780B2
JP7556780B2 JP2020216101A JP2020216101A JP7556780B2 JP 7556780 B2 JP7556780 B2 JP 7556780B2 JP 2020216101 A JP2020216101 A JP 2020216101A JP 2020216101 A JP2020216101 A JP 2020216101A JP 7556780 B2 JP7556780 B2 JP 7556780B2
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Japan
Prior art keywords
voltage
signal
power supply
polarity
supply voltage
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JP2020216101A
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English (en)
Japanese (ja)
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JP2022101795A (ja
JP2022101795A5 (cg-RX-API-DMAC7.html
Inventor
弘 土
勇人 小泉
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Lapis Technology Co Ltd
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Lapis Technology Co Ltd
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Publication date
Application filed by Lapis Technology Co Ltd filed Critical Lapis Technology Co Ltd
Priority to JP2020216101A priority Critical patent/JP7556780B2/ja
Priority to CN202111542826.7A priority patent/CN114694607B/zh
Priority to US17/555,485 priority patent/US12073804B2/en
Publication of JP2022101795A publication Critical patent/JP2022101795A/ja
Publication of JP2022101795A5 publication Critical patent/JP2022101795A5/ja
Priority to JP2024158187A priority patent/JP7733965B2/ja
Application granted granted Critical
Publication of JP7556780B2 publication Critical patent/JP7556780B2/ja
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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
    • G09G3/3614—Control of polarity reversal in general
    • 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
    • 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
    • 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
    • G09G2310/0289—Details of voltage level shifters 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Logic Circuits (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
JP2020216101A 2020-12-25 2020-12-25 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置 Active JP7556780B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020216101A JP7556780B2 (ja) 2020-12-25 2020-12-25 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置
CN202111542826.7A CN114694607B (zh) 2020-12-25 2021-12-16 信号电平转换电路、驱动电路、显示驱动器以及显示装置
US17/555,485 US12073804B2 (en) 2020-12-25 2021-12-19 Signal level shift conversion circuit for display driver and display device converting input voltage signal at synchronized timing
JP2024158187A JP7733965B2 (ja) 2020-12-25 2024-09-12 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020216101A JP7556780B2 (ja) 2020-12-25 2020-12-25 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置

Related Child Applications (1)

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JP2024158187A Division JP7733965B2 (ja) 2020-12-25 2024-09-12 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置

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JP2022101795A JP2022101795A (ja) 2022-07-07
JP2022101795A5 JP2022101795A5 (cg-RX-API-DMAC7.html) 2022-08-10
JP7556780B2 true JP7556780B2 (ja) 2024-09-26

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JP2024158187A Active JP7733965B2 (ja) 2020-12-25 2024-09-12 信号レベル変換回路、駆動回路、表示ドライバ及び表示装置

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US (1) US12073804B2 (cg-RX-API-DMAC7.html)
JP (2) JP7556780B2 (cg-RX-API-DMAC7.html)
CN (1) CN114694607B (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11728789B2 (en) * 2021-08-19 2023-08-15 Taiwan Semiconductor Manufacturing Co., Ltd. Voltage supply selection circuit
JP2023103680A (ja) * 2022-01-14 2023-07-27 ラピステクノロジー株式会社 表示装置及びデータドライバ
KR20230148474A (ko) * 2022-04-15 2023-10-25 삼성디스플레이 주식회사 전자 장치
CN116978332B (zh) * 2023-08-15 2024-07-09 禹创半导体(深圳)有限公司 一种电压转换电路及驱动装置
WO2025039238A1 (zh) * 2023-08-23 2025-02-27 北京京东方技术开发有限公司 源极驱动电路及其驱动方法、显示面板、显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000174600A (ja) 1998-12-07 2000-06-23 Sharp Corp 負電圧レベルシフタ回路および不揮発性半導体記憶装置
JP2007181025A (ja) 2005-12-28 2007-07-12 Nec Corp レベルシフト回路及びそれを用いたドライバ回路
JP2014041367A (ja) 2013-09-26 2014-03-06 Lapis Semiconductor Co Ltd 駆動回路及び表示装置
US20160126956A1 (en) 2014-10-10 2016-05-05 Seong-Young Ryu Negative-level shifting circuit and a source driver and a display device using the circuit
JP2017098813A (ja) 2015-11-26 2017-06-01 ラピスセミコンダクタ株式会社 レベルシフト回路及び表示ドライバ
JP6795714B1 (ja) 2020-01-27 2020-12-02 ラピスセミコンダクタ株式会社 出力回路、表示ドライバ及び表示装置

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US5731796A (en) * 1992-10-15 1998-03-24 Hitachi, Ltd. Liquid crystal display driving method/driving circuit capable of being driven with equal voltages
JP3036481B2 (ja) * 1997-09-16 2000-04-24 日本電気株式会社 レベルシフト回路
JP4453475B2 (ja) * 2004-08-05 2010-04-21 ソニー株式会社 レベル変換回路、電源電圧発生回路および表示装置
JP4637077B2 (ja) * 2006-10-17 2011-02-23 パナソニック株式会社 駆動電圧出力回路、表示装置
TWI353575B (en) * 2006-12-29 2011-12-01 Novatek Microelectronics Corp Gate driver structure of tft-lcd display
JP2009282119A (ja) * 2008-05-20 2009-12-03 Toshiba Mobile Display Co Ltd 表示装置
TWI395187B (zh) * 2008-06-26 2013-05-01 Novatek Microelectronics Corp 資料驅動器
US20110193848A1 (en) * 2008-10-30 2011-08-11 Rohm Co., Ltd. Level shifter circuit, load drive device, and liquid crystal display device
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JP5416008B2 (ja) * 2010-03-24 2014-02-12 ルネサスエレクトロニクス株式会社 レベルシフト回路及びデータドライバ及び表示装置
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JP6952619B2 (ja) 2018-02-21 2021-10-20 ルネサスエレクトロニクス株式会社 半導体装置
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JP7544624B2 (ja) * 2021-02-19 2024-09-03 ラピステクノロジー株式会社 出力回路、表示ドライバ及び表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000174600A (ja) 1998-12-07 2000-06-23 Sharp Corp 負電圧レベルシフタ回路および不揮発性半導体記憶装置
JP2007181025A (ja) 2005-12-28 2007-07-12 Nec Corp レベルシフト回路及びそれを用いたドライバ回路
JP2014041367A (ja) 2013-09-26 2014-03-06 Lapis Semiconductor Co Ltd 駆動回路及び表示装置
US20160126956A1 (en) 2014-10-10 2016-05-05 Seong-Young Ryu Negative-level shifting circuit and a source driver and a display device using the circuit
JP2017098813A (ja) 2015-11-26 2017-06-01 ラピスセミコンダクタ株式会社 レベルシフト回路及び表示ドライバ
JP6795714B1 (ja) 2020-01-27 2020-12-02 ラピスセミコンダクタ株式会社 出力回路、表示ドライバ及び表示装置

Also Published As

Publication number Publication date
CN114694607B (zh) 2025-09-23
US20220208136A1 (en) 2022-06-30
US12073804B2 (en) 2024-08-27
CN114694607A (zh) 2022-07-01
JP2024175004A (ja) 2024-12-17
JP2022101795A (ja) 2022-07-07
JP7733965B2 (ja) 2025-09-04

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