KR100846966B1 - 레벨 쉬프터 및 이를 이용한 평판 표시장치 - Google Patents
레벨 쉬프터 및 이를 이용한 평판 표시장치 Download PDFInfo
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- KR100846966B1 KR100846966B1 KR1020070075557A KR20070075557A KR100846966B1 KR 100846966 B1 KR100846966 B1 KR 100846966B1 KR 1020070075557 A KR1020070075557 A KR 1020070075557A KR 20070075557 A KR20070075557 A KR 20070075557A KR 100846966 B1 KR100846966 B1 KR 100846966B1
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- G—PHYSICS
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- 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
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- 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]
- G09G3/3266—Details of drivers for scan electrodes
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- 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
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- 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
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- 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]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- 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
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- G—PHYSICS
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- 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
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
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- G—PHYSICS
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- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
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- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0252—Improving the response speed
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- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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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
- G09G3/22—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]
- G09G3/3225—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] using an active matrix
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0008—Arrangements for reducing power consumption
- H03K19/0013—Arrangements for reducing power consumption in field effect transistor circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/0185—Coupling arrangements; Interface arrangements using field effect transistors only
- H03K19/018507—Interface arrangements
- H03K19/018521—Interface arrangements of complementary type, e.g. CMOS
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Abstract
Description
Claims (20)
- 제1 전원과 제1 전원보다 낮은 전압값을 갖는 제2 전원 사이에 직렬 연결되며, 서로 다른 타입으로 설정된 제1 및 제2 트랜지스터와,상기 제1 트랜지스터의 게이트 전극과 상기 제2 트랜지스터의 게이트 전극 사이에 접속되는 제1 커패시터와,상기 제1 및 제2 트랜지스터 중 어느 하나의 게이트 전극과 상기 제1 커패시터의 제1 전극에 접속되는 제1 입력신호의 입력라인과,상기 제1 커패시터의 제2 전극과 제3 전원 사이에 위치되며, 게이트 전극이 제2 입력신호의 입력라인에 접속되는 제3 트랜지스터와,상기 제1 커패시터의 제2 전극과 상기 제3 트랜지스터 사이에 접속되며, 게이트 전극이 상기 제1 커패시터의 제2 전극과 접속되는 자신의 일 전극과 접속되도록 다이오드 연결되는 제4 트랜지스터를 포함하는 레벨 쉬프터.
- 제1항에 있어서,상기 제1 입력신호와 상기 제2 입력신호는 상반된 파형을 가지며, 상기 제2 입력신호의 천이시간은 상기 제1 입력신호의 천이시간보다 지연된 레벨 쉬프터.
- 제2항에 있어서,상기 제2 입력신호는 상기 제1 입력신호를 홀수 번 인버팅하여 생성된 신호인 것을 특징으로 하는 레벨 쉬프터.
- 제1항에 있어서,상기 제1 트랜지스터는 상기 제1 입력신호의 입력라인 및 상기 제1 커패시터의 제1 전극에 접속되고, 상기 제2 트랜지스터는 상기 제1 커패시터의 제2 전극에 접속되는 레벨 쉬프터.
- 제4항에 있어서,상기 제3 및 제4 트랜지스터는 상기 제2 트랜지스터와 동일한 타입의 트랜지스터로 설정되는 것을 특징으로 하는 레벨 쉬프터.
- 제5항에 있어서,상기 제1 트랜지스터는 P타입 트랜지스터로 설정되고, 상기 제2 내지 제4 트랜지스터는 N타입 트랜지스터로 설정된 레벨 쉬프터.
- 제5항에 있어서,상기 제1 트랜지스터는 N타입 트랜지스터로 설정되고, 상기 제2 내지 제4 트랜지스터는 P타입 트랜지스터로 설정된 레벨 쉬프터.
- 제1항에 있어서,상기 제3 전원의 전압값은, 상기 제1 전원의 전압값과 상기 제2 전원의 전압값 사이의 값으로 설정되는 레벨 쉬프터.
- 주사선들로 주사신호를 순차적으로 공급하기 위한 주사 구동부와,상기 주사신호와 동기되도록 데이터선들로 데이터 신호를 공급하기 위한 데이터 구동부와,상기 주사선들과 상기 데이터선들의 교차부에 위치되는 다수의 화소가 구비되며, 상기 주사신호 및 상기 데이터 신호에 대응하여 영상을 표시하는 화소부를 포함하며,상기 주사 구동부 및 데이터 구동부 중 적어도 어느 하나는,제1 전원과 제1 전원보다 낮은 전압값을 갖는 제2 전원 사이에 직렬 연결되며 서로 다른 타입으로 설정된 제1 및 제2 트랜지스터와; 상기 제1 트랜지스터의 게이트 전극과 상기 제2 트랜지스터의 게이트 전극 사이에 접속되는 제1 커패시터와; 상기 제1 및 제2 트랜지스터 중 어느 하나의 게이트 전극과 상기 제1 커패시터의 제1 전극에 접속되는 제1 입력신호의 입력라인과; 상기 제1 커패시터의 제2 전극과 제3 전원 사이에 위치되며 게이트 전극이 제2 입력신호의 입력라인에 접속되는 제3 트랜지스터와; 상기 제1 커패시터의 제2 전극과 상기 제3 트랜지스터 사이에 접속되며 게이트 전극이 상기 제1 커패시터의 제2 전극과 접속되는 자신의 일 전극과 접속되도록 다이오드 연결되는 제4 트랜지스터;를 포함하는 다수의 레벨 쉬프터가 구비된 레벨 쉬프터부를 포함하는 평판 표시장치.
- 제9항에 있어서,상기 주사 구동부는,외부로부터 공급되는 주사 구동제어신호에 대응하여 상기 주사신호를 순차적으로 생성하기 위한 쉬프트 레지스터부와,상기 쉬프트 레지스터부에서 생성된 주사신호의 전압범위를 확장하기 위한 상기 레벨 쉬프터부를 포함하는 평판 표시장치.
- 제10항에 있어서,상기 주사 구동부는, 상기 레벨 쉬프터부로부터 공급되는 주사신호를 상기 주사선들로 공급하기 위한 버퍼부를 더 포함하는 평판 표시장치.
- 제9항에 있어서,상기 데이터 구동부는,샘플링 신호를 순차적으로 생성하기 위한 쉬프트 레지스터부와,상기 샘플링 신호에 응답하여 데이터를 순차적으로 저장하기 위한 샘플링 래치부와,상기 샘플링 래치부에 저장된 데이터들을 저장하고, 저장된 데이터들을 동시에 출력하기 위한 홀딩 래치부와,상기 홀딩 래치부로부터 공급된 데이터의 전압범위를 확장하기 위한 다수의 상기 레벨 쉬프터를 포함하는 레벨 쉬프터부와,상기 레벨 쉬프터부로부터 공급된 데이터에 대응하여 상기 데이터 신호를 생성하기 위한 데이터 신호 생성부를 포함하는 평판 표시장치.
- 제12항에 있어서,상기 데이터 구동부는, 상기 데이터 신호를 상기 데이터선들로 공급하기 위한 버퍼부를 더 포함하는 평판 표시장치.
- 제9항에 있어서,상기 제1 입력신호와 상기 제2 입력신호는 상반된 파형을 가지며, 상기 제2 입력신호의 천이시간은 상기 제1 입력신호의 천이시간보다 지연된 평판 표시장치.
- 제14항에 있어서,상기 제2 입력신호는 상기 제1 입력신호를 인버팅하여 생성된 신호인 것을 특징으로 하는 평판 표시장치.
- 제9항에 있어서,상기 제1 트랜지스터는 상기 제1 입력신호의 입력라인 및 상기 제1 커패시터의 제1 전극에 접속되고, 상기 제2 트랜지스터는 상기 제1 커패시터의 제2 전극에 접속되는 평판 표시장치.
- 제16항에 있어서,상기 제3 및 제4 트랜지스터는 상기 제2 트랜지스터와 동일한 타입의 트랜지스터로 설정되는 것을 특징으로 하는 평판 표시장치.
- 제17항에 있어서,상기 제1 트랜지스터는 P타입 트랜지스터로 설정되고, 상기 제2 내지 제4 트랜지스터는 N타입 트랜지스터로 설정된 평판 표시장치.
- 제17항에 있어서,상기 제1 트랜지스터는 N타입 트랜지스터로 설정되고, 상기 제2 내지 제4 트랜지스터는 P타입 트랜지스터로 설정된 평판 표시장치.
- 제9항에 있어서,상기 제3 전원의 전압값은, 상기 제1 전원의 전압값과 상기 제2 전원의 전압값 사이의 값으로 설정되는 평판 표시장치.
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JP2009130879A (ja) * | 2007-11-28 | 2009-06-11 | Ricoh Co Ltd | レベルシフト回路 |
KR20140000075A (ko) * | 2012-06-22 | 2014-01-02 | 삼성디스플레이 주식회사 | 파워 유닛 및 이를 구비하는 유기 발광 표시 장치 |
KR101990568B1 (ko) * | 2013-07-24 | 2019-06-19 | 삼성디스플레이 주식회사 | 주사 구동 장치 및 이를 이용한 유기발광표시장치 |
US9325313B2 (en) * | 2014-01-28 | 2016-04-26 | Broadcom Corporation | Low-power level-shift circuit for data-dependent signals |
CN103944554B (zh) * | 2014-04-16 | 2017-01-04 | 华为技术有限公司 | 一种电平转换电路及数模转换器 |
CN105047157B (zh) * | 2015-08-19 | 2017-10-24 | 深圳市华星光电技术有限公司 | 一种源极驱动电路 |
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