KR100659624B1 - 역극성 전압 발생 회로 - Google Patents
역극성 전압 발생 회로 Download PDFInfo
- Publication number
- KR100659624B1 KR100659624B1 KR1020050013604A KR20050013604A KR100659624B1 KR 100659624 B1 KR100659624 B1 KR 100659624B1 KR 1020050013604 A KR1020050013604 A KR 1020050013604A KR 20050013604 A KR20050013604 A KR 20050013604A KR 100659624 B1 KR100659624 B1 KR 100659624B1
- Authority
- KR
- South Korea
- Prior art keywords
- mos transistor
- charge transfer
- voltage
- diffusion region
- semiconductor substrate
- 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
Links
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 239000004065 semiconductor Substances 0.000 claims abstract description 40
- 238000009792 diffusion process Methods 0.000 claims abstract description 33
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
- Dc-Dc Converters (AREA)
- Logic Circuits (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (5)
- 제1 확산 영역이 접지된 제1 전하 전송용 MOS 트랜지스터와,상기 제1 전하 전송용 MOS 트랜지스터의 제2 확산 영역에 제1 확산 영역이 접속된 제2 전하 전송용 MOS 트랜지스터와,제1 확산 영역에 전원 전압 VH가 공급된 제1 구동용 MOS 트랜지스터와,제1 확산 영역이 상기 제1 구동용 MOS 트랜지스터의 제2 확산 영역에 접속되고 제2 확산 영역이 접지된 제2 구동용 MOS 트랜지스터와,상기 제1 및 제2 전하 전송용 MOS 트랜지스터의 접속점에 한쪽의 단자가 접속되고 상기 제1 및 제2 구동용 MOS 트랜지스터의 접속점에 다른쪽의 단자가 접속된 용량 소자와,상기 제1 및 제2 전하 전송용 MOS 트랜지스터 및 상기 제1 및 제2 구동용 MOS 트랜지스터의 온 오프를 제어하는 제어 회로를 구비하고, 상기 제2 전하 전송용 MOS 트랜지스터의 제2 확산 영역으로부터, 상기 전원 전압 VH의 극성을 반전한 반전 전원 전압 -VH를 출력하는 역극성 전압 발생 회로로서,상기 제1 전하 전송용 MOS 트랜지스터, 상기 제1 및 제2 구동용 MOS 트랜지스터가 P 채널형으로 형성되고, 상기 제2 전하 전송용 MOS 트랜지스터가 N 채널형으로 형성되고, 상기 제2 전하 전송용 MOS 트랜지스터가 P형 반도체 기판 표면에 형성되고,상기 제1 전하 전송용 MOS 트랜지스터가 상기 P형 반도체 기판 표면에 형성 된 제1 N웰 내에 형성됨과 함께, 그 제1 확산 영역이 해당 제1 N웰에 접속되고,상기 제1 구동용 MOS 트랜지스터가 상기 P형 반도체 기판 표면에 형성된 제2 N웰 내에 형성됨과 함께, 그 제1 확산 영역이 해당 제2 N웰에 접속되고,상기 제2 구동용 MOS 트랜지스터가 상기 P형 반도체 기판 표면에 형성된 제3 N웰 내에 형성됨과 함께, 그 제1 확산 영역이 해당 제3 N웰에 접속된 것을 특징으로 하는 역극성 전압 발생 회로.
- 제1항에 있어서,상기 제1, 제2 및 제3 N웰이 서로 분리되어 있는 것을 특징으로 하는 역극성 전압 발생 회로.
- 제1항에 있어서,상기 제2 전하 전송 MOS 트랜지스터의 제2 확산 영역이 상기 P형 반도체 기판에 접속되어 있는 것을 특징으로 하는 역극성 전압 발생 회로.
- 제1항에 있어서,상기 제어 회로에 의해, 상기 제2 전하 전송용 MOS 트랜지스터를 오프시킨 상태에서, 상기 제1 전하 전송용 MOS 트랜지스터를 온시키고, 상기 제1 구동용 MOS 트랜지스터를 온시키고, 상기 제2 구동용 MOS 트랜지스터를 오프시킴으로써, 상기 제1 및 제2 전하 전송용 MOS 트랜지스터의 접속점의 전압을 접지 전압으로 설정하고, 다음으로, 상기 제어 회로에 의해 상기 제1 전하 전송용 MOS 트랜지스터를 오프시킨 상태에서, 상기 제2 전하 전송용 MOS 트랜지스터를 온시키고, 상기 제1 구동용 MOS 트랜지스터를 오프시키고, 상기 제2 구동용 MOS 트랜지스터를 온시킴으로써, 상기 용량 소자의 용량 커플링에 의해 상기 제1 및 제2 전하 전송용 MOS 트랜지스터의 접속점의 전압을 접지 전압으로부터 저하시키는 것을 특징으로 하는 역극성 전압 발생 회로.
- 제4항에 있어서,상기 제어 회로는, 그것에 입력되는 클럭 신호를 상기 전원 전압 VH와 상기 제2 전하 전송용 MOS 트랜지스터의 제2 확산 영역으로부터 출력되는 상기 반전 전원 전압과의 사이에서 스윙시키도록 레벨 시프트시키는 레벨 시프트 회로와, 이 레벨 시프트 회로의 출력의 타이밍을 제어하는 타이밍 제어 회로를 구비하고, 상기 타이밍 제어 회로의 출력을 상기 제1 및 제2 전하 전송용 MOS 트랜지스터 및 상기 제1 및 제2 구동용 MOS 트랜지스터의 각 게이트에 인가하는 것을 특징으로 하는 역극성 전압 발생 회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00042462 | 2004-02-19 | ||
JP2004042462A JP4408716B2 (ja) | 2004-02-19 | 2004-02-19 | 逆極性電圧発生回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060042990A KR20060042990A (ko) | 2006-05-15 |
KR100659624B1 true KR100659624B1 (ko) | 2006-12-20 |
Family
ID=34857974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050013604A Expired - Fee Related KR100659624B1 (ko) | 2004-02-19 | 2005-02-18 | 역극성 전압 발생 회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6982910B2 (ko) |
JP (1) | JP4408716B2 (ko) |
KR (1) | KR100659624B1 (ko) |
CN (1) | CN100416798C (ko) |
TW (1) | TWI280727B (ko) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5399928A (en) * | 1993-05-28 | 1995-03-21 | Macronix International Co., Ltd. | Negative voltage generator for flash EPROM design |
JP3028942B2 (ja) * | 1997-12-01 | 2000-04-04 | 日本電気アイシーマイコンシステム株式会社 | 電圧発生回路 |
JP4701475B2 (ja) * | 1999-06-01 | 2011-06-15 | セイコーエプソン株式会社 | 電気光学装置の電源回路、電気光学装置の駆動回路、電気光学装置の駆動方法、電気光学装置および電子機器 |
JP3475143B2 (ja) * | 2000-03-15 | 2003-12-08 | 三洋電機株式会社 | 電圧反転回路 |
CN1246819C (zh) * | 2002-07-31 | 2006-03-22 | 友达光电股份有限公司 | 显示器的驱动电路 |
JP3687648B2 (ja) * | 2002-12-05 | 2005-08-24 | セイコーエプソン株式会社 | 電源供給方法及び電源回路 |
-
2004
- 2004-02-19 JP JP2004042462A patent/JP4408716B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-05 TW TW094103942A patent/TWI280727B/zh not_active IP Right Cessation
- 2005-02-07 CN CNB2005100070838A patent/CN100416798C/zh not_active Expired - Fee Related
- 2005-02-16 US US11/058,429 patent/US6982910B2/en not_active Expired - Lifetime
- 2005-02-18 KR KR1020050013604A patent/KR100659624B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1658484A (zh) | 2005-08-24 |
JP2005237103A (ja) | 2005-09-02 |
CN100416798C (zh) | 2008-09-03 |
TW200531414A (en) | 2005-09-16 |
US20050185469A1 (en) | 2005-08-25 |
KR20060042990A (ko) | 2006-05-15 |
TWI280727B (en) | 2007-05-01 |
US6982910B2 (en) | 2006-01-03 |
JP4408716B2 (ja) | 2010-02-03 |
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