CN102122495B - 一种用于液晶显示屏的对比度调节电路 - Google Patents
一种用于液晶显示屏的对比度调节电路 Download PDFInfo
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- CN102122495B CN102122495B CN201010612136.XA CN201010612136A CN102122495B CN 102122495 B CN102122495 B CN 102122495B CN 201010612136 A CN201010612136 A CN 201010612136A CN 102122495 B CN102122495 B CN 102122495B
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- triode
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- liquid crystal
- display screen
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 6
- 230000001105 regulatory effect Effects 0.000 title abstract description 5
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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CN201010612136.XA CN102122495B (zh) | 2010-12-29 | 2010-12-29 | 一种用于液晶显示屏的对比度调节电路 |
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CN201010612136.XA CN102122495B (zh) | 2010-12-29 | 2010-12-29 | 一种用于液晶显示屏的对比度调节电路 |
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CN102122495A CN102122495A (zh) | 2011-07-13 |
CN102122495B true CN102122495B (zh) | 2014-09-03 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102955277B (zh) * | 2012-11-07 | 2014-11-19 | 北京三五九投资有限公司 | 一种增强pdlc显示器对比度的方法 |
CN112242128A (zh) * | 2020-10-16 | 2021-01-19 | 临沂安迪电气有限公司 | 一种通过按键调lcd对比度的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2054240U (zh) * | 1988-12-01 | 1990-03-07 | 三星电子株式会社 | 自动对比度调整器 |
CN2627612Y (zh) * | 2003-05-20 | 2004-07-21 | 深圳市珊星电脑有限公司 | 液晶显示器对比度的调节装置 |
CN201975050U (zh) * | 2010-12-29 | 2011-09-14 | 上海申瑞电力科技股份有限公司 | 脉宽调制式液晶显示屏对比度调节电路 |
Family Cites Families (1)
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KR100462600B1 (ko) * | 2002-04-02 | 2004-12-20 | 삼성전자주식회사 | 디스플레이 패널 구동 시스템의 전원 자동 조정 제어 장치및 방법 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2054240U (zh) * | 1988-12-01 | 1990-03-07 | 三星电子株式会社 | 自动对比度调整器 |
CN2627612Y (zh) * | 2003-05-20 | 2004-07-21 | 深圳市珊星电脑有限公司 | 液晶显示器对比度的调节装置 |
CN201975050U (zh) * | 2010-12-29 | 2011-09-14 | 上海申瑞电力科技股份有限公司 | 脉宽调制式液晶显示屏对比度调节电路 |
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CN102122495A (zh) | 2011-07-13 |
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Owner name: SHANGHAI SUNRISE PROTECTIVE RELAY ELECTRIC CO.,LTD Free format text: FORMER OWNER: SHANGHAI SUNRISE POWER AUTOMATION CO., LTD. Effective date: 20130624 |
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Denomination of invention: A Contrast Adjustment Circuit for LCD Display Effective date of registration: 20230926 Granted publication date: 20140903 Pledgee: Huaxia Bank Co.,Ltd. Chifeng Branch Pledgor: CHIFENG TUOJIA PHOTOELECTRIC Co.,Ltd. Registration number: Y2023150000144 |