KR960032279A - Field emission device driving circuit - Google Patents

Field emission device driving circuit Download PDF

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Publication number
KR960032279A
KR960032279A KR1019950002076A KR19950002076A KR960032279A KR 960032279 A KR960032279 A KR 960032279A KR 1019950002076 A KR1019950002076 A KR 1019950002076A KR 19950002076 A KR19950002076 A KR 19950002076A KR 960032279 A KR960032279 A KR 960032279A
Authority
KR
South Korea
Prior art keywords
signal
field emission
converter
driving circuit
pixels
Prior art date
Application number
KR1019950002076A
Other languages
Korean (ko)
Inventor
김정우
Original Assignee
김광호
삼성전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950002076A priority Critical patent/KR960032279A/en
Priority to JP7155836A priority patent/JPH08248914A/en
Publication of KR960032279A publication Critical patent/KR960032279A/en
Priority to US09/005,228 priority patent/US5969709A/en

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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
    • G09G3/22—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
    • 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
    • G09G2300/08—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
    • G09G2300/0828—Several active elements per pixel in active matrix panels forming a digital to analog [D/A] conversion circuit
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • 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
    • G09G2310/0294—Details of sampling or holding circuits arranged for use in a driver for data electrodes

Abstract

전계방출소자 구동회로가 개시되어 있다.A field emission device driving circuit is disclosed.

이 개시된 전계방출소자 구동회로는 입력되는 비데오신호를 증폭하는 증폭기와, 증폭된 비데오신호를 매순간 포착하여 기억하는 샘플홀더(S/H)와, 이 샘플홀더에서 포착한 신호를 디스플레이하는 복수개의 화소와, 이 화소에 전계방출을 야기하는 바이어스 전원이 순차적으로 구비되어 영상을 제공하도록 된 구동회로에 있어서, 상기 화소 각각에서 전류변화를 검지하는 검지수단과, 이 검지수단의 출력단에 결합되어 출력신호를 디지탈신호로 변환하는 A/D변환기와, 상기 화소들 각각에 대한 휘도특성의 기준이 되는 정보가 기억된 롬(ROM) 소자와, 상기 A/D변환기에서 출력된 신호와 상기 롬(ROM)소자에서 제공되는 신호를 입력받아 차동하는 감산기와, 이 감산기에서 제공되는 신호로부터 각각의 휘도특성을 얻어내고 기억하는 휘도특성표와, 디지탈화된 비데어신호와 상기 휘도특성표에서 출사된 신호를 합산하는 합산기가 구비되어 화소의 휘도특성을 향상시킨 것을 그 특징으로 한다.The disclosed field emission device driving circuit includes an amplifier for amplifying an input video signal, a sample holder (S / H) for capturing and storing the amplified video signal every moment, and a plurality of pixels for displaying the signal captured by the sample holder. And a bias power source for causing electric field emission to be sequentially provided to the pixel, the driving circuit being configured to provide an image, comprising: detecting means for detecting a current change in each of the pixels, and an output signal coupled to an output terminal of the detecting means; An A / D converter for converting a digital signal into a digital signal, a ROM element storing information as a reference for luminance characteristics of each of the pixels, a signal output from the A / D converter, and the ROM A subtractor for receiving and differentially receiving a signal provided from the device, a luminance characteristic table for obtaining and storing respective luminance characteristics from the signal provided from the subtractor, and a digitalized An adder for adding a bidet signal and the signal emitted from the luminance characteristic table is provided to improve the luminance characteristic of the pixel.

Description

전계방출소자 구동회로Field emission device driving circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 전계방출소자가 구동회로의 일 실시예를 나타낸 회로도2 is a circuit diagram showing an embodiment of a driving circuit in the field emission device according to the present invention;

제3도는 본 발명에 따른 전계방출소자 구동회로의 다른 실시예를 나타낸 회로도3 is a circuit diagram showing another embodiment of the field emission device driving circuit according to the present invention.

Claims (4)

입력되는 비데오신호를 증폭하는 증폭기와, 증폭된 비데오신호를 매순간 포착하여 기억하는 샘플홀더(S/H)와, 이 샘플홀더에서 포착한 신호를 디스플레이하는 복수개의 화소와, 이 화소에 전계방출을 야기하는 바이어스 전원이 순차적으로 구비되어 영상을 제공하도록 된 전계방출소자 구동회로에 있어서, 상기 화소 각각에서 전류변화를 검지하는 검지수단과, 이 검지수단의 출력단에 결합되어 출력신호를 디지탈신호로 변환하는 A/D변환기와, 상기 화소들 각각에 대한 휘도특성의 기준이 되는 정보가 기억된 롬(ROM)소자와, 상기 A/D변환기에서 출력된 신호와 상기 롬(ROM)소자에서 제공되는 신호를 입력받아 차동하는 감산기와, 이 감산기에서 제공되는 신호로부터 각각의 휘도특성을 얻어내고 기억하는 휘도특성표와, 디지탈화된 비데오신호와 상기 휘도 특성표에서 출사된 신호를 합산기가 구비된 것을 특징으로 하는 전계방출소자 구동회로.An amplifier for amplifying the input video signal, a sample holder (S / H) for capturing and storing the amplified video signal every moment, a plurality of pixels for displaying the signals captured by the sample holder, and field emission to the pixels. A field emission device driving circuit configured to sequentially provide a bias power supply to cause an image, comprising: detecting means for detecting a current change in each of the pixels, and coupled to an output terminal of the detecting means, and converting an output signal into a digital signal An A / D converter, a ROM device having stored therein information as reference for luminance characteristics of each of the pixels, a signal output from the A / D converter, and a signal provided from the ROM device. A subtractor for receiving the differential signal, a luminance characteristic table for obtaining and storing respective luminance characteristics from a signal provided by the subtractor, a digitalized video signal, and the luminance That the groups are summed with a signal emitted in the characteristic table in the field emission device drive circuit according to claim. 제1항에 있어서, 상기 휘도특성표에서 입력되는 신호의 종류와 상기 비데오신호의 종류가 동일 종류의 신호가 되도록 상기 합산기와 상기 휘도특성표 사이에 상기 휘도특성표에서 제공되는 신호를 아날로그 신호로 바꾸어주는 D/A변환기가 더 구비된 것을 특징으로 하는 전계방출소자 구동회로.The signal provided in the luminance characteristic table between the summer and the luminance characteristic table is converted into an analog signal so that the kind of the signal input from the luminance characteristic table and the video signal are of the same kind. A field emission device driving circuit, characterized in that the D / A converter is further provided. 제1항에 있어서, 상기 휘도특성표에서 입력되는 신호의 종류와 상기 비데오신호의 종류가 동일 종류의 신호가 되도록 상기 합산기의 비데오신호 입력단에 비데오신호를 디지탈신호로 바꾸어주도록 A/D변환기가 구비되고, 상기 합산기와 상기 증폭기 사이에 합산기에서 제공되는 디지탈신호를 아날로그신호로 바꾸어주는 D/A변환기가 더 구비된 것을 특징으로 하는 전계방출소자 구동회로.The A / D converter of claim 1, wherein the A / D converter converts the video signal into a digital signal at the video signal input of the summer so that the type of the signal input from the luminance characteristic table and the video signal are the same type. And a D / A converter for converting the digital signal provided from the adder into an analog signal between the adder and the amplifier. 제1항에 있어서, 상기 검지수단은 상기 각각의 화소와 상기 바이어스 전원 사이에 마련된 저항소자와, 이 저항소자의 양단의 전압차를 검출하여 증폭하는 차동증폭기로 이루어진 것을 특징으로 하는 전계방출소자 구동회로.2. The field emission device driving circuit according to claim 1, wherein the detection means comprises a resistance element provided between each pixel and the bias power supply, and a differential amplifier for detecting and amplifying a voltage difference between both ends of the resistance element. in. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950002076A 1995-02-06 1995-02-06 Field emission device driving circuit KR960032279A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950002076A KR960032279A (en) 1995-02-06 1995-02-06 Field emission device driving circuit
JP7155836A JPH08248914A (en) 1995-02-06 1995-06-22 Drive circuit of field emission element
US09/005,228 US5969709A (en) 1995-02-06 1998-01-09 Field emission display driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950002076A KR960032279A (en) 1995-02-06 1995-02-06 Field emission device driving circuit

Publications (1)

Publication Number Publication Date
KR960032279A true KR960032279A (en) 1996-09-17

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Application Number Title Priority Date Filing Date
KR1019950002076A KR960032279A (en) 1995-02-06 1995-02-06 Field emission device driving circuit

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JP (1) JPH08248914A (en)
KR (1) KR960032279A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102335396B1 (en) * 2017-04-27 2021-12-06 주식회사 엘엑스세미콘 Display driving device and display device including the same

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Publication number Publication date
JPH08248914A (en) 1996-09-27

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