KR100941843B1 - 인버터 및 이를 구비한 표시장치 - Google Patents
인버터 및 이를 구비한 표시장치 Download PDFInfo
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- KR100941843B1 KR100941843B1 KR1020080034140A KR20080034140A KR100941843B1 KR 100941843 B1 KR100941843 B1 KR 100941843B1 KR 1020080034140 A KR1020080034140 A KR 1020080034140A KR 20080034140 A KR20080034140 A KR 20080034140A KR 100941843 B1 KR100941843 B1 KR 100941843B1
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- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000000872 buffer Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Images
Classifications
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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
-
- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0408—Integration of the drivers onto the display substrate
-
- 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]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Logic Circuits (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (7)
- 게이트 전극이 제 1입력단(IN)과 연결되고, 제 1전극이 제 1노드(A)에 연결되며, 제 2전극이 제 2전원(VGL)과 연결되는 제 1PMOS 트랜지스터(P1)와;게이트 전극이 상기 제 1입력단(IN)과 연결되고, 제 1 및 제 2전극이 각각 제 1전원(VGH) 및 출력단(OUT)에 연결된 제 2PMOS 트랜지스터(P2)와;게이트 전극이 상기 제 1노드(A)에 연결되고, 제 1 및 제 2전극이 각각 출력단(OUT) 및 제 2입력단(INb)에 연결된 제 3PMOS 트랜지스터(P3)와;상기 제 1노드(A)와 출력단(OUT) 사이에 연결된 커패시터(C1)이 포함되며,상기 제 2전원(VGL)은 상기 제 1 입력단(IN) 또는 제 2입력단(INb)으로 입력되는 전압 중 로우레벨 전압과 동일함을 특징으로 하는 인버터.
- 제 1항에 있어서,상기 제 2입력단(INb)으로는 제 1입력단(IN)에 입력되는 신호의 위상이 반전된 신호가 입력됨을 특징으로 하는 인버터.
- 제 1항에 있어서,상기 제 1전원(VGH)은 상기 제 1 입력단(IN) 또는 제 2입력단(INb)으로 입력되는 전압 중 하이레벨 전압과 동일함을 특징으로 하는 인버터.
- 삭제
- 화소부, 주사구동부, 데이터구동부 및 제어부를 포함하여 구성되는 표시장치에 있어서,상기 주사구동부는,주사선들에 공급되는 신호를 순차적으로 제공하는 쉬프트 레지스터와;상기 쉬프트 레지스터로부터 전달받은 신호를 일정한 전압 레벨로 변경하여 제공하는 레벨 쉬프터와;상기 레벨 쉬프터로부터 전달받은 신호를 각각의 주사선으로 출력하는 버퍼가 포함되며,상기 버퍼는 3개의 PMOS 트랜지스터 및 1개의 커패시터를 포함한 다수의 인버터로 구성되며,상기 인버터는,게이트 전극이 제 1입력단(IN)과 연결되고, 제 1전극이 제 1노드(A)에 연결되며, 제 2전극이 제 2전원(VGL)과 연결되는 제 1PMOS 트랜지스터(P1)와;게이트 전극이 상기 제 1입력단(IN)과 연결되고, 제 1 및 제 2전극이 각각 제 1전원(VGH) 및 출력단(OUT)에 연결된 제 2PMOS 트랜지스터(P2)와;게이트 전극이 상기 제 1노드(A)에 연결되고, 제 1 및 제 2전극이 각각 출력단(OUT) 및 제 2입력단(INb)에 연결된 제 3PMOS 트랜지스터(P3)와;상기 제 1노드(A)와 출력단(OUT) 사이에 연결된 커패시터(C1)이 포함되며,상기 제 2전원(VGL)은 상기 제 1 입력단(IN) 또는 제 2입력단(INb)으로 입력되는 전압 중 로우레벨 전압과 동일함을 특징으로 하는 표시장치.
- 삭제
- 제 5항에 있어서,상기 제 2입력단(INb)으로는 제 1입력단(IN)에 입력되는 신호의 위상이 반전된 신호가 입력됨을 특징으로 하는 표시장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080034140A KR100941843B1 (ko) | 2008-04-14 | 2008-04-14 | 인버터 및 이를 구비한 표시장치 |
US12/422,861 US8462083B2 (en) | 2008-04-14 | 2009-04-13 | Inverter and display device including the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080034140A KR100941843B1 (ko) | 2008-04-14 | 2008-04-14 | 인버터 및 이를 구비한 표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090108832A KR20090108832A (ko) | 2009-10-19 |
KR100941843B1 true KR100941843B1 (ko) | 2010-02-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020080034140A Active KR100941843B1 (ko) | 2008-04-14 | 2008-04-14 | 인버터 및 이를 구비한 표시장치 |
Country Status (2)
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US (1) | US8462083B2 (ko) |
KR (1) | KR100941843B1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2489075A4 (en) | 2009-10-16 | 2014-06-11 | Semiconductor Energy Lab | LOGIC CIRCUIT AND SEMICONDUCTOR DEVICE |
US8570066B2 (en) | 2011-03-24 | 2013-10-29 | Electronics And Telecommunications Research Institute | Inverter, NAND gate, and NOR gate |
TWI568181B (zh) | 2011-05-06 | 2017-01-21 | 半導體能源研究所股份有限公司 | 邏輯電路及半導體裝置 |
KR101874144B1 (ko) | 2011-05-06 | 2018-07-03 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 기억 장치 |
TWI536502B (zh) | 2011-05-13 | 2016-06-01 | 半導體能源研究所股份有限公司 | 記憶體電路及電子裝置 |
JP5951351B2 (ja) | 2011-05-20 | 2016-07-13 | 株式会社半導体エネルギー研究所 | 加算器及び全加算器 |
US9135182B2 (en) | 2012-06-01 | 2015-09-15 | Semiconductor Energy Laboratory Co., Ltd. | Central processing unit and driving method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09246936A (ja) * | 1995-03-27 | 1997-09-19 | Casio Comput Co Ltd | 半導体装置およびこれを用いた表示駆動装置 |
KR20040012133A (ko) * | 2002-08-01 | 2004-02-11 | 삼성에스디아이 주식회사 | 레벨 시프터 및 평판 표시 장치 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000045345A (ko) | 1998-12-30 | 2000-07-15 | 김영환 | 반도체소자의 트랜지스터 형성방법 |
US6429723B1 (en) * | 1999-11-18 | 2002-08-06 | Texas Instruments Incorporated | Integrated circuit with charge pump and method |
WO2003060867A1 (fr) * | 2001-12-27 | 2003-07-24 | Renesas Technology Corp. | Systeme de commande d'affichage |
KR100505371B1 (ko) | 2002-12-26 | 2005-08-04 | 재단법인서울대학교산학협력재단 | 저전력 인버터 및 이를 이용한 레벨 쉬프터 |
JP3962953B2 (ja) | 2003-12-26 | 2007-08-22 | カシオ計算機株式会社 | レベルシフト回路及び該レベルシフト回路を備えた信号出力回路 |
KR100996573B1 (ko) * | 2003-12-30 | 2010-11-24 | 엘지디스플레이 주식회사 | 아날로그 버퍼 및 그 구동방법 |
US7268610B2 (en) | 2004-09-03 | 2007-09-11 | Qualcomm Incorporated | Low-voltage CMOS switch with novel clock boosting scheme |
KR100762690B1 (ko) * | 2005-11-07 | 2007-10-01 | 삼성에스디아이 주식회사 | 데이터구동회로와 이를 이용한 유기발광표시장치 |
KR20080006037A (ko) * | 2006-07-11 | 2008-01-16 | 삼성전자주식회사 | 시프트 레지스터, 이를 포함하는 표시 장치, 시프트레지스터의 구동 방법 및 표시 장치의 구동 방법 |
KR100824852B1 (ko) * | 2006-12-20 | 2008-04-23 | 삼성에스디아이 주식회사 | 유기 전계 발광 표시 장치 |
-
2008
- 2008-04-14 KR KR1020080034140A patent/KR100941843B1/ko active Active
-
2009
- 2009-04-13 US US12/422,861 patent/US8462083B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09246936A (ja) * | 1995-03-27 | 1997-09-19 | Casio Comput Co Ltd | 半導体装置およびこれを用いた表示駆動装置 |
KR20040012133A (ko) * | 2002-08-01 | 2004-02-11 | 삼성에스디아이 주식회사 | 레벨 시프터 및 평판 표시 장치 |
Also Published As
Publication number | Publication date |
---|---|
US20090256784A1 (en) | 2009-10-15 |
KR20090108832A (ko) | 2009-10-19 |
US8462083B2 (en) | 2013-06-11 |
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