TWI231465B - Driving circuit for liquid crystal display and liquid crystal display using the driving circuit - Google Patents
Driving circuit for liquid crystal display and liquid crystal display using the driving circuit Download PDFInfo
- Publication number
- TWI231465B TWI231465B TW092132191A TW92132191A TWI231465B TW I231465 B TWI231465 B TW I231465B TW 092132191 A TW092132191 A TW 092132191A TW 92132191 A TW92132191 A TW 92132191A TW I231465 B TWI231465 B TW I231465B
- Authority
- TW
- Taiwan
- Prior art keywords
- liquid crystal
- crystal display
- driving circuit
- signals
- voltage
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 16
- 230000001939 inductive effect Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 210000000941 bile Anatomy 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004508 polar body Anatomy 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
- G09G3/3406—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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
Description
1231465 _案號92132191_年月曰 修正_ 六、申請專利範圍 並根據一亮度調整信號而輸出對應之電壓控制信號; —資料驅動器,用以根據上述影像控制信號而輸出上 述視訊信號至上述資料電極;以及 一驅動電源產生裝置,用以根據上述電壓控制信號而 輸出對應之驅動電壓至上述發光元件。 1 0 .如申請專利範圍第9項所述之液晶顯示面板驅動電 路,其中上述電壓控制信號為方波信號。 11.如申請專利範圍第9項所述之液晶顯示面板驅動電 路,其中上述閘極驅動器係並根據上述亮度調整信號而調 整上述電壓控制信號之高位準週期與低位準週期之比例。 1 2.如申請寻利範圍弟1 1項所述之液晶顯不®板驅助 電路’其中上述驅劫電源座生裝置包括· 一切換開關,具有一控制閘,用以接收上述電壓控制 信號,上述切換開關係根據上述電壓控制信號之位準而導 通或關閉; 一電感裝置,耦接於一電源以及上述切換開關之間; 以及 一二極體,耦接於上述切換開關與電感裝置之間; 一電容,耦接於上述二極體,上述電容與二極體之連 接點係輸出上述驅動電壓。 1 3.如申請專利範圍第1 2項所述之液晶顯示面板驅動 電路,其中上述驅動電壓之值係根據上述電壓控制信號之 高位厚週期與低位準週期之比例而定。 1 4 .如申請專利範圍弟9項所述之液晶_頒不面板驅動電
0632-10322TWfl(4.5) ; AU0304073 ; Robert.ptc 第21頁 1231465 _案號92132191_年月曰 修正_ 六、申請專利範圍 路,其中上述發光元件係由複數串聯之發光二極體、複數 並聯之發光二極體、或複數串聯之發光二極體結合複數並 聯之發光二極體等方式所構成,具有耦接於上述驅動電源 產生裝置之第一端點以及耦接於上述資料驅動器之第二端 點。 1 5 .如申請專·利範圍第9項所述之液晶顯示面板驅動電 路,其中上述閘極驅動器係根據上述第二端點之電壓位準 而調整上述電壓控制信號之高位準週期與低位準週期之比 例。 1 6.如申請專利範圍第9項所述之液晶顯示面板驅動電 路,更包括一阻抗,設置於上述第二端點以及一接地點之 間。 1 7. —種液晶顯示器,適用於根據一主機所提供之影 像控制信號而顯示影像,包括: —液晶顯示面板,包括複數顯示單元,分別連接對應 之複數資料電極和複數閘極電極; 一面板驅動器,用以送出掃描信號至上述閘極電極, 根據上述影像控制信號而輸出上述視訊信號至上述資料’電 極,以及根據一亮度調整信號而輸出對應之電壓控制信 號; 一驅動電源產生裝置,用以根據上述電壓控制信號而 輸出對應之驅動電壓;以及 串接之複數發光元件,耦接於上述驅動電源產生裝 置,用以根據所接收之驅動電壓而產生對應之亮度。
0632-10322TWfl(4.5) ; AU0304073 ; Robert.ptc 第22頁 1231465
Mm 921321 六、申請專利範圍 a 上述請專利範圍第17項所述之液晶_千-上述電壓控制信號為方波貝尸 不盗,其中 19.如申請專利範圍第^ f ΐ之液曰1 上述閘極铲叙及,固弟1 7項所盖之液日日絲員示哭 係並根據上 調整信 其中 2 /由叫週期輿低位準週期之比例述電 上、…:請專利範圍第1 9項所述之液晶_矛-上述驅動電源產生装置包括.貝所 、不盗,其中 -切換開關,具有一控制間,用以接收上 心ί述切換開關係根據上述電塵控制信銳:位Ϊ^ 電感裝置’耦接於—電源以及上述切換開關之間; 一二極體 一電容,耦接於上述二 接點係輸出上述驅動電壓。^ 2 1 ·如申請寻利範圍第 之液晶 二,驅動電屢之值係根據上述;塵控制信號c 與低位準週期之比例而定。 乞内位準週期 上试2^.光如元V!專利範圍第17項所述之液晶顯*器、,且中 光二極體、或複數串聯之發处人為Ϊ數亚聯之發 二搞艘梦七念# ^ ^ 一 以及 耦接於上述切換開關與電感裝置之 於上:4二把祕,上述電容輿 —極體之連 二 之 掩坶莖古々〜一,,〜赏无二極胆結合複數並聯之笋弁 篦:、山t式所構成,具有耦接於上述驅動電源產生!: w 弟一知點以及耦接於上述資料驅動器之第二端點。、置 2 3.如申睛專利範圍第2 2項所述之液晶顯示器, 口 π /、tp 0632-10322TWfl(4.5) ; AU0304073 ; Robert.τ 第23頁 1231465 案號 92132191 曰 修正 六、申請專利範圍 上述閘極驅動器係根據上述第二端點之電壓位準而調整上 述電壓控制信號之高位準週期與低位準週期之比例。 2 4.如申請專利範圍第2 3項所述之液晶顯示器,更包 括一阻抗,設置於上述第二端點以及一接地點之間。
0632-10322TWfl(4.5) ; AU0304073 ; Robert.ptc 第24頁
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092132191A TWI231465B (en) | 2003-11-14 | 2003-11-14 | Driving circuit for liquid crystal display and liquid crystal display using the driving circuit |
US10/797,219 US7292211B2 (en) | 2003-11-14 | 2004-03-10 | Liquid crystal display and driving circuit thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092132191A TWI231465B (en) | 2003-11-14 | 2003-11-14 | Driving circuit for liquid crystal display and liquid crystal display using the driving circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI231465B true TWI231465B (en) | 2005-04-21 |
TW200516536A TW200516536A (en) | 2005-05-16 |
Family
ID=34568629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092132191A TWI231465B (en) | 2003-11-14 | 2003-11-14 | Driving circuit for liquid crystal display and liquid crystal display using the driving circuit |
Country Status (2)
Country | Link |
---|---|
US (1) | US7292211B2 (zh) |
TW (1) | TWI231465B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20080019397A (ko) * | 2006-08-28 | 2008-03-04 | 삼성전자주식회사 | 액정 표시 장치 |
US20100315325A1 (en) * | 2009-06-16 | 2010-12-16 | Samsung Electronics Co., Ltd. | Light source unit and display apparatus including the same |
CA2687631A1 (en) * | 2009-12-06 | 2011-06-06 | Ignis Innovation Inc | Low power driving scheme for display applications |
KR101323390B1 (ko) * | 2010-09-20 | 2013-10-29 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시소자와 그 저전력 구동방법 |
KR101476880B1 (ko) * | 2011-09-29 | 2014-12-29 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시장치 |
CN104966498B (zh) * | 2015-07-17 | 2017-08-04 | 深圳市华星光电技术有限公司 | 一种电压补偿电路及基于电压补偿电路的电压补偿方法 |
US11670900B2 (en) | 2019-02-05 | 2023-06-06 | Emergency Technology, Inc. | Universal smart adaptor |
WO2020177053A1 (en) * | 2019-03-04 | 2020-09-10 | Boe Technology Group Co., Ltd. | Display-driving circuit, display apparatus, and display method based on time-division data output |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0706733A1 (en) * | 1993-03-24 | 1996-04-17 | Universal Electronics, Inc. | Infrared remote control device for a personal digital assistant |
US5757139A (en) * | 1997-02-03 | 1998-05-26 | The Trustees Of Princeton University | Driving circuit for stacked organic light emitting devices |
US6333750B1 (en) * | 1997-03-12 | 2001-12-25 | Cybex Computer Products Corporation | Multi-sourced video distribution hub |
JP2000195695A (ja) * | 1998-12-28 | 2000-07-14 | Sony Corp | バックライト駆動方法、バックライト駆動回路及び電子機器 |
US6202980B1 (en) * | 1999-01-15 | 2001-03-20 | Masco Corporation Of Indiana | Electronic faucet |
CN100426050C (zh) * | 1999-07-26 | 2008-10-15 | 拉博斯费尔株式会社 | 体积型透镜、发光体、照明器具及光信息系统 |
US6469454B1 (en) * | 2000-06-27 | 2002-10-22 | Maxim Integrated Products, Inc. | Cold cathode fluorescent lamp controller |
JP3971892B2 (ja) * | 2000-09-08 | 2007-09-05 | 株式会社日立製作所 | 液晶表示装置 |
JP3850241B2 (ja) * | 2001-07-19 | 2006-11-29 | シャープ株式会社 | 照明装置およびそれを用いた液晶表示装置 |
US6970162B2 (en) * | 2001-08-03 | 2005-11-29 | Canon Kabushiki Kaisha | Image display apparatus |
EP1434193A4 (en) * | 2001-09-07 | 2009-03-25 | Panasonic Corp | EL DISPLAY, EL DISPLAY CONTROL UNIT AND PICTURE DISPLAY |
KR100806903B1 (ko) * | 2001-09-27 | 2008-02-22 | 삼성전자주식회사 | 액정 표시 장치 및 이의 구동 방법 |
KR100490396B1 (ko) * | 2001-12-15 | 2005-05-17 | 삼성전자주식회사 | 화상 표시 소자 구동 전압 제어 장치 및 방법 |
JP3685134B2 (ja) * | 2002-01-23 | 2005-08-17 | セイコーエプソン株式会社 | 液晶ディスプレイのバックライト制御装置および液晶ディスプレイ |
JP4218249B2 (ja) * | 2002-03-07 | 2009-02-04 | 株式会社日立製作所 | 表示装置 |
JP4030863B2 (ja) * | 2002-04-09 | 2008-01-09 | シャープ株式会社 | 電気光学装置、それを用いた表示装置、その駆動方法、並びに、その重みの設定方法 |
JP4143323B2 (ja) * | 2002-04-15 | 2008-09-03 | Nec液晶テクノロジー株式会社 | 液晶表示装置 |
GB2389951A (en) * | 2002-06-18 | 2003-12-24 | Cambridge Display Tech Ltd | Display driver circuits for active matrix OLED displays |
-
2003
- 2003-11-14 TW TW092132191A patent/TWI231465B/zh not_active IP Right Cessation
-
2004
- 2004-03-10 US US10/797,219 patent/US7292211B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050104825A1 (en) | 2005-05-19 |
US7292211B2 (en) | 2007-11-06 |
TW200516536A (en) | 2005-05-16 |
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