JP6942237B2 - 放電信号トリガ回路を含む表示装置 - Google Patents
放電信号トリガ回路を含む表示装置 Download PDFInfo
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- JP6942237B2 JP6942237B2 JP2020500615A JP2020500615A JP6942237B2 JP 6942237 B2 JP6942237 B2 JP 6942237B2 JP 2020500615 A JP2020500615 A JP 2020500615A JP 2020500615 A JP2020500615 A JP 2020500615A JP 6942237 B2 JP6942237 B2 JP 6942237B2
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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
- G09G3/3696—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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
-
- 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]
-
- 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
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0248—Precharge or discharge of column electrodes before or after applying exact column voltages
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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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
-
- 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
-
- 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
-
- 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
- G09G2330/026—Arrangements or methods related to booting a display
-
- 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
- G09G2330/027—Arrangements or methods related to powering off a display
-
- 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
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
-
- 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]
- G09G3/3266—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
- 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
- G09G3/3406—Control of illumination source
-
- 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
Description
前記放電信号トリガ回路は、
駆動電圧源と、
一端が前記駆動電圧源に接続され、他端がそれぞれ放電信号トリガ端及び第2分圧モジュールに接続される第1分圧モジュールと、
放電信号を出力するための放電信号トリガ端と、
一端が前記放電信号トリガ端に接続され、他端が接地される第2分圧モジュールと、を含み、
表示装置オフ信号が受信された際に前記第1分圧モジュールの抵抗値が小さく調整され、
前記第1分圧モジュールは、前記表示装置オフ信号を受信するためのフォトレジスタを含み、
前記フォトレジスタの一端は、前記駆動電圧源に接続され、前記フォトレジスタの他端は、前記放電信号トリガ端に接続され、
前記表示装置駆動回路は、整流器モジュールを含み、
前記整流器モジュールは、
入力端に交流電圧が入力され、第1出力端及び第2出力端から直流電圧が出力される整流器ブリッジと、
前記表示装置オフ信号を生成するためのものであって、正極が前記整流器ブリッジの第1出力端に接続され、負極が接地される発光ダイオードと、
正極が前記整流器ブリッジの第1出力端に接続され、負極が記憶コンデンサの一端に接続される隔離ダイオードと、
他端が前記整流器ブリッジの第2出力端に接続される記憶コンデンサと、を含み、
前記第1分圧モジュールの抵抗値が設定値よりも大きい場合、前記放電信号トリガ端から前記放電信号が出力される表示装置が提供される。
Claims (2)
- 表示装置駆動回路と、表示装置の画素素子に対応する走査線の電位に対して放電リセット操作を行うための放電信号トリガ回路を含む表示装置であって、
前記放電信号トリガ回路は、
駆動電圧源と、
一端が前記駆動電圧源に接続され、他端がそれぞれ放電信号トリガ端及び第2分圧モジュールに接続される第1分圧モジュールと、
放電信号を出力するための放電信号トリガ端と、
一端が前記放電信号トリガ端に接続され、他端が接地される第2分圧モジュールと、を含み、
表示装置オフ信号が受信された際に前記第1分圧モジュールの抵抗値が小さく調整され、
前記第1分圧モジュールは、前記表示装置オフ信号を受信するためのフォトレジスタを含み、
前記フォトレジスタの一端は、前記駆動電圧源に接続され、前記フォトレジスタの他端は、前記放電信号トリガ端に接続され、
前記表示装置駆動回路は、整流器モジュールを含み、
前記整流器モジュールは、
入力端に交流電圧が入力され、第1出力端及び第2出力端から直流電圧が出力される整流器ブリッジと、
前記表示装置オフ信号を生成するためのものであって、正極が前記整流器ブリッジの第1出力端に接続され、負極が接地される発光ダイオードと、
正極が前記整流器ブリッジの第1出力端に接続され、負極が記憶コンデンサの一端に接続される隔離ダイオードと、
他端が前記整流器ブリッジの第2出力端に接続される記憶コンデンサと、を含み、
前記第1分圧モジュールの抵抗値が設定値よりも大きい場合、前記放電信号トリガ端から前記放電信号が出力される表示装置。 - 前記第2分圧モジュールは、固定抵抗器である、請求項1に記載の表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710582604.5A CN107195282B (zh) | 2017-07-17 | 2017-07-17 | 放电信号触发电路及显示装置 |
CN201710582604.5 | 2017-07-17 | ||
PCT/CN2017/101178 WO2019015058A1 (zh) | 2017-07-17 | 2017-09-11 | 放电信号触发电路及显示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2020525861A JP2020525861A (ja) | 2020-08-27 |
JP6942237B2 true JP6942237B2 (ja) | 2021-09-29 |
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JP2020500615A Active JP6942237B2 (ja) | 2017-07-17 | 2017-09-11 | 放電信号トリガ回路を含む表示装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3657490B1 (ja) |
JP (1) | JP6942237B2 (ja) |
KR (1) | KR102378730B1 (ja) |
CN (1) | CN107195282B (ja) |
WO (1) | WO2019015058A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110322846B (zh) | 2018-03-29 | 2021-01-15 | 京东方科技集团股份有限公司 | 一种显示装置的电荷释放电路及其驱动方法、显示装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002048375A (ja) * | 2000-07-31 | 2002-02-15 | Mitsubishi Heavy Ind Ltd | 電源装置及びそれを備えた空気調和機 |
CN1755783A (zh) * | 2004-09-27 | 2006-04-05 | 中华映管股份有限公司 | 液晶显示装置的电荷中和控制电路及其方法 |
KR100776501B1 (ko) * | 2006-04-17 | 2007-11-16 | 삼성에스디아이 주식회사 | 외광감지센서 및 이를 이용한 액정표시장치 |
CN100492111C (zh) * | 2006-07-05 | 2009-05-27 | 群康科技(深圳)有限公司 | 放电电路及采用该放电电路的液晶显示装置 |
CN101826309B (zh) * | 2009-03-06 | 2011-12-28 | 华映视讯(吴江)有限公司 | 具有消除关机残影功能的液晶显示器 |
JP2011191494A (ja) * | 2010-03-15 | 2011-09-29 | Sharp Corp | 液晶表示装置 |
US20110248973A1 (en) * | 2010-04-09 | 2011-10-13 | Delphi Technologies, Inc. | Brightness control drive circuit for a current-driven display device |
CN102237051B (zh) * | 2010-04-23 | 2012-12-26 | 北京京东方光电科技有限公司 | 驱动电路及其驱动方法和液晶显示器 |
CN102306485A (zh) * | 2011-09-06 | 2012-01-04 | 深圳市华星光电技术有限公司 | 一种led驱动电路、液晶显示装置及其驱动方法 |
JP5968071B2 (ja) * | 2012-05-17 | 2016-08-10 | ニチコン株式会社 | 電力変換装置 |
CN103852735B (zh) * | 2012-11-29 | 2017-02-08 | 深圳市海洋王照明工程有限公司 | 灯具放电计时电路 |
CN102982781B (zh) * | 2012-12-29 | 2015-02-18 | 深圳市华星光电技术有限公司 | 一种液晶显示装置的驱动电路、驱动方法和液晶显示装置 |
US9230493B2 (en) * | 2012-12-29 | 2016-01-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LCD device driver circuit, driving method, and LCD device |
US9165511B2 (en) * | 2013-03-14 | 2015-10-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight driving circuit, LCD device, and driving method |
CN104036716A (zh) * | 2014-06-24 | 2014-09-10 | 上海中航光电子有限公司 | 一种显示面板的驱动控制电路及显示装置 |
CN205490112U (zh) * | 2015-12-30 | 2016-08-17 | 珠海灵科自动化科技有限公司 | 自动放电装置 |
CN106786452A (zh) * | 2016-12-02 | 2017-05-31 | 中国船舶重工集团公司第七二四研究所 | 一种自动关断、低损耗放电电路及其实现方法 |
CN106875892B (zh) * | 2017-02-28 | 2019-03-22 | 京东方科技集团股份有限公司 | 一种像素电路及其驱动方法、显示装置 |
-
2017
- 2017-07-17 CN CN201710582604.5A patent/CN107195282B/zh active Active
- 2017-09-11 WO PCT/CN2017/101178 patent/WO2019015058A1/zh unknown
- 2017-09-11 EP EP17918371.0A patent/EP3657490B1/en active Active
- 2017-09-11 KR KR1020207004481A patent/KR102378730B1/ko active IP Right Grant
- 2017-09-11 JP JP2020500615A patent/JP6942237B2/ja active Active
Also Published As
Publication number | Publication date |
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EP3657490A4 (en) | 2021-01-20 |
EP3657490B1 (en) | 2022-01-26 |
KR20200027556A (ko) | 2020-03-12 |
WO2019015058A1 (zh) | 2019-01-24 |
JP2020525861A (ja) | 2020-08-27 |
KR102378730B1 (ko) | 2022-03-25 |
CN107195282B (zh) | 2018-02-16 |
CN107195282A (zh) | 2017-09-22 |
EP3657490A1 (en) | 2020-05-27 |
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