CN100405457C - 减少屏幕上显示图像的干扰图案的控制单元及方法 - Google Patents
减少屏幕上显示图像的干扰图案的控制单元及方法 Download PDFInfo
- Publication number
- CN100405457C CN100405457C CNB038211130A CN03821113A CN100405457C CN 100405457 C CN100405457 C CN 100405457C CN B038211130 A CNB038211130 A CN B038211130A CN 03821113 A CN03821113 A CN 03821113A CN 100405457 C CN100405457 C CN 100405457C
- Authority
- CN
- China
- Prior art keywords
- frequency
- clk
- control module
- ppll
- dot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/18—Timing circuits for raster scan displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (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)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
Description
频率(Hz) | 干扰线 |
25,000,004 | 顺时针约20度倾斜并具有约5mm的间距 |
25,000,010 | 顺时针约20度倾斜并具有约3mm的间距 |
25,000,012 | 顺时针约150度倾斜并具有约2mm的间距 |
25,000,018 | 顺时针约20度倾斜并具有约5mm的间距 |
25,000,025 | 如在25,000,012与25,000,010一起中一样 |
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10241343.6 | 2002-09-06 | ||
DE2002141343 DE10241343A1 (de) | 2002-09-06 | 2002-09-06 | Steuernheit und Verfahren zum Reduzieren von Interferenzmustern bei der Anzeige eines Bildes auf einem Bildschirm |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1679080A CN1679080A (zh) | 2005-10-05 |
CN100405457C true CN100405457C (zh) | 2008-07-23 |
Family
ID=31895693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038211130A Expired - Fee Related CN100405457C (zh) | 2002-09-06 | 2003-08-29 | 减少屏幕上显示图像的干扰图案的控制单元及方法 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1535274B1 (zh) |
JP (1) | JP4410677B2 (zh) |
CN (1) | CN100405457C (zh) |
AU (1) | AU2003264136A1 (zh) |
DE (2) | DE10241343A1 (zh) |
TW (1) | TWI250505B (zh) |
WO (1) | WO2004023452A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5534968B2 (ja) * | 2010-06-15 | 2014-07-02 | シャープ株式会社 | 液晶表示装置および電子情報機器 |
CN102222457B (zh) * | 2011-05-19 | 2013-11-13 | 硅谷数模半导体(北京)有限公司 | 定时控制器及具有其的液晶显示器 |
CN105185312B (zh) * | 2015-10-12 | 2018-06-12 | 利亚德光电股份有限公司 | Led驱动器、包括其的led显示屏及led驱动芯片的驱动方法 |
TWI678695B (zh) * | 2018-09-14 | 2019-12-01 | 瑞鼎科技股份有限公司 | 動態頻率補償方法與動態頻率補償系統 |
CN109639259B (zh) * | 2018-12-05 | 2022-07-22 | 惠科股份有限公司 | 扩展频谱的方法、芯片、显示面板及可读存储介质 |
CN111710313B (zh) * | 2020-07-14 | 2022-06-03 | 京东方科技集团股份有限公司 | 显示面板水波纹的消除方法及消除装置、显示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0704833A2 (en) * | 1994-09-30 | 1996-04-03 | Sun Microsystems, Inc. | Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems |
US5943382A (en) * | 1996-08-21 | 1999-08-24 | Neomagic Corp. | Dual-loop spread-spectrum clock generator with master PLL and slave voltage-modulation-locked loop |
US6046735A (en) * | 1996-08-21 | 2000-04-04 | Neomagic Corp. | EMI reduction for a flat-panel display controller using horizontal-line-based spread spectrum |
CN1275858A (zh) * | 1999-05-26 | 2000-12-06 | 汤姆森许可公司 | 用于扫描速度调节电路的视频信号处理装置 |
US6433766B1 (en) * | 2000-02-03 | 2002-08-13 | Chi Mei Optoelectronics Corporation | Data transmission method and device for reducing the electromagnetic interference intensity of liquid crystal display circuit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100326200B1 (ko) * | 1999-04-12 | 2002-02-27 | 구본준, 론 위라하디락사 | 데이터 중계장치와 이를 이용한 액정패널 구동장치, 모니터 장치 및 표시장치의 구동방법 |
JP3421988B2 (ja) * | 1999-10-27 | 2003-06-30 | Necビューテクノロジー株式会社 | 表示装置及びそれに用いるクロック間干渉による影響の防止方法 |
KR100471054B1 (ko) * | 2000-11-18 | 2005-03-07 | 삼성전자주식회사 | 컴퓨터 시스템 및 그의 화상처리방법 |
-
2002
- 2002-09-06 DE DE2002141343 patent/DE10241343A1/de not_active Withdrawn
-
2003
- 2003-08-29 AU AU2003264136A patent/AU2003264136A1/en not_active Abandoned
- 2003-08-29 EP EP03793774A patent/EP1535274B1/de not_active Expired - Fee Related
- 2003-08-29 CN CNB038211130A patent/CN100405457C/zh not_active Expired - Fee Related
- 2003-08-29 DE DE50306395T patent/DE50306395D1/de not_active Expired - Lifetime
- 2003-08-29 WO PCT/EP2003/009633 patent/WO2004023452A1/de active IP Right Grant
- 2003-08-29 JP JP2004533428A patent/JP4410677B2/ja not_active Expired - Fee Related
- 2003-09-05 TW TW92124635A patent/TWI250505B/zh not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0704833A2 (en) * | 1994-09-30 | 1996-04-03 | Sun Microsystems, Inc. | Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems |
US5943382A (en) * | 1996-08-21 | 1999-08-24 | Neomagic Corp. | Dual-loop spread-spectrum clock generator with master PLL and slave voltage-modulation-locked loop |
US6046735A (en) * | 1996-08-21 | 2000-04-04 | Neomagic Corp. | EMI reduction for a flat-panel display controller using horizontal-line-based spread spectrum |
CN1275858A (zh) * | 1999-05-26 | 2000-12-06 | 汤姆森许可公司 | 用于扫描速度调节电路的视频信号处理装置 |
US6433766B1 (en) * | 2000-02-03 | 2002-08-13 | Chi Mei Optoelectronics Corporation | Data transmission method and device for reducing the electromagnetic interference intensity of liquid crystal display circuit |
Also Published As
Publication number | Publication date |
---|---|
DE10241343A1 (de) | 2004-03-25 |
CN1679080A (zh) | 2005-10-05 |
JP4410677B2 (ja) | 2010-02-03 |
AU2003264136A1 (en) | 2004-03-29 |
EP1535274A1 (de) | 2005-06-01 |
WO2004023452A1 (de) | 2004-03-18 |
DE50306395D1 (de) | 2007-03-15 |
EP1535274B1 (de) | 2007-01-24 |
JP2005538397A (ja) | 2005-12-15 |
TW200415566A (en) | 2004-08-16 |
TWI250505B (en) | 2006-03-01 |
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