KR850006118A - Serial / parallel conversion circuit and display drive device using the same - Google Patents

Serial / parallel conversion circuit and display drive device using the same Download PDF

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Publication number
KR850006118A
KR850006118A KR1019850000527A KR850000527A KR850006118A KR 850006118 A KR850006118 A KR 850006118A KR 1019850000527 A KR1019850000527 A KR 1019850000527A KR 850000527 A KR850000527 A KR 850000527A KR 850006118 A KR850006118 A KR 850006118A
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South Korea
Prior art keywords
signal
circuit
counter
latch
latch circuit
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KR1019850000527A
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Korean (ko)
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KR920009052B1 (en
Inventor
신지 다나가 (외 1)
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미쓰다 가쓰시게 (외 2)
가부시기가이샤 히다찌 세이사꾸쇼
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Publication of KR850006118A publication Critical patent/KR850006118A/en
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Publication of KR920009052B1 publication Critical patent/KR920009052B1/en
Priority to KR1019930002077A priority Critical patent/KR930003647B1/en

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3685Details of drivers for data electrodes

Abstract

내용 없음No content

Description

직·병렬 변환 회로와 그것을 사용한 표시 구동 장치Serial / parallel conversion circuit and display drive device using the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 액정 구동 장치에 응용하여 본 발명을 첫번째 실시예의 불록도.2 is a block diagram of a first embodiment of the present invention applied to a liquid crystal drive device.

제3도는 표시기의 동작에 사용되는 클럭(clock) 신호와 이미지(image)신호 데이터이 타이밍 챠트.3 is a timing chart of clock signal and image signal data used for the operation of the indicator.

Claims (9)

클럭 신호를 받아들여 카운트하도록 연결된 카운터 회로와, 상술한 클럭 신호에 동기되어 순차척인 출력신호를 만들어내는 상술한 카운터 회로의 내용을 티코우드 하기 위하여 상술한 카운터 회로에 연결되는 디코으더 수단; 그리고, 랫치 기능을 갖는 복수개의 게이트 회로들로 만들어지고 또한 상술한 클럭신호에 동기되어 상술한 게이트 회로들로 부터의 직렬 데이터 신호를 상술한 게이트 회로에 받아들이고 또 상술한 디코우드수단으로부터의 출력신호를 받아들여서 이 각각의 직렬 데이터를 각각의 게이트 회로에 랫치시키게 끔 접속된 랫치 회로에 의하여 구성되고 상술한 랫치 회로에 입력되는 직렬 데이터로서의 모든 데이터 입력이 제어신호에 응답하여 동시의 병렬데이터로서 상술한 랫치 회로로부터 전송되는 것을 특징으로 하는 직병렬 변환회로.Decoder means connected to said counter circuit for ticking the contents of said counter circuit coupled to receive and count a clock signal and producing output signals that are sequentially synchronized with said clock signal; Then, a plurality of gate circuits having a latch function and synchronized with the above-described clock signal receive serial data signals from the above-described gate circuits into the above-described gate circuit and output signals from the above-described decode means. All data inputs as serial data inputted to the latch circuit described above and configured by a latch circuit connected to latch each of these serial data to respective gate circuits are described as simultaneous parallel data in response to a control signal. Serial-to-parallel conversion circuit, characterized in that transmitted from one latch circuit. 특허청구의 범위 제1항에 따르는, 직병열 변환회로에서, 상술한 카운터 회로가 카운터와, 그리고 상술한 카운터로 부터의 오버 플로우 신호를 받아 드리고 이것을 보지하여 상술한 카운터가 카운터 오버플로우가 되었다는 것을 나타내는 금지신호를 출력하도록 접속된 회로와, 그리고 상술한 금지 신호에 응답하여 상술한 랫치회로에 입력되는 상술한 직렬 데이터 신호가 받아들여지지 않게 금지하는 수단을이미 포함하는 것.In the serial-to-parallel conversion circuit according to claim 1, the above-mentioned counter circuit receives a counter and an overflow signal from the above-described counter, and it is noted that the above-described counter has become a counter overflow. And circuitry connected to output a prohibition signal, and means for prohibiting the aforementioned serial data signal input to the latch circuit described above in response to the prohibition signal. 특허 청구의 범위 제1항에 따르는 직병렬 변환 회로에서, 상술한 랫치 회로는 다수의 단위 랫치회로로 만들어지며 각각의 단위 랫치 회로는 여러개의 게이트 회로를 포함하고, 또한 상술한 각각의 단위렛치회로 안에다 최소한 게이트 회로의 수와 마찬가지 단수의 시프트 레차스터를 더 포함하며, 상술한 시프트레지스터는 상술한 클럭신호에 동기되어 상술한 직렬 신호 데이터를 받아들려 이것을 시프트시키게끔 연결되고, 또한 상술한 각각의 단위 랫치 회로에 접속되어서 상술한 시프트 래지스터에 입력된 영상 신호데이터가 상술한 디코우더 수단으로부터의 출력 신호의 제어에 따라 순차적으로 상술한 렛치회로에 주기적으로 랫치 되게 하는 것.In the serial-to-parallel conversion circuit according to claim 1, the latch circuit described above is made of a plurality of unit latch circuits, each unit latch circuit including a plurality of gate circuits, and each of the unit latch circuits described above. Further comprising at least a single number of shift registers equal to the number of gate circuits, wherein the shift registers are coupled to receive the above-described serial signal data in synchronism with the above-described clock signal and to shift them; Connected to the unit latch circuit of the circuit so as to periodically latch the video signal data input to the shift register as described above, sequentially in the above-described latch circuit under the control of the output signal from the decoder means. 특허 청구의 범위 제3항에 따르는 직병렬 회로에서 상술한 카운터 회로가 카운터와, 그리고 상술한 카운터로부터의 오버플로우 신호를 받아들이고 이것을 보지하여 상술한 가운터가 카운터 오버플로우가 되었다는 것을 나타내는 금지신호를 출력하도록 접속된 회로와, 그리고 상술한 금지신호에 응답하여 상술한 랫치회로에 입력되는 상술한 직렬 데이터 신호가 받아들려지지 않게 금지하는 수단을 포함하는 것.In the serial-to-parallel circuit according to claim 3, the counter circuit described above receives the counter and the overflow signal from the above-described counter, and holds this to indicate a prohibition signal indicating that the above-described center has become a counter overflow. Circuitry connected to output, and means for prohibiting the above-mentioned serial data signal input to the latch circuit described above in response to the above-described prohibition signal. 클럭 신호를 받아들여서 이것을 카운트하게끔 접속된 카운터 회로와, 상술한 클럭 신호에 동기되어 순차적인 출력신호를 발생시키기 위해서 상술한 카운터 회로이 내용을 디코우드하기 위하여 상술한 카운터 회로에 접속된 디코우더 수단, 그리고 랫치 기능을 갖는 복수개의 게이트 회로들로 만들어지고 또한 상술한 클럭신호에 동기되어 상술한 게이트회로들로부터의 직렬 데이터 신호를 상술한 게이트 회로에 받아드리고 또, 상술한 디코이드 수단으로부터의 출력신호를 받아드려서 이 각각의 직렬 데이터를 각각의 게이트 회로에 랫치시키게끔 접속된 랫치 회로와, 상술한 렛치 회로로부터의 상술한 영상 신호 데이터를 동시에 받아드리고 또한 유지하기 위해 상술한 랫치 회로에 접속된 표시장치 구동 회로를 포함하는 수단으로 구성되고 그것에 의하여 상술한 영상신호 데이터가 선구동 신호로서 병렬 방식으로 외부 표시기에 출력되는 것을 특징으로 하는 표시기 구동장치.Decoder means connected to a counter circuit connected to receive a clock signal and count the same, and the counter circuit described above to decode the contents in order to generate a sequential output signal in synchronization with the clock signal described above. And a plurality of gate circuits having a latch function and synchronized with the above-described clock signal to receive the serial data signal from the above-described gate circuits to the above-described gate circuit and output from the above-described decode means. A latch circuit connected to receive a signal and latch each of the serial data to a respective gate circuit and a latch circuit connected to the above-mentioned latch circuit to simultaneously receive and maintain the above-described image signal data from the above-described latch circuit. Means comprising a display driving circuit and The indicator drive system, characterized in that the above-described image signal is outputted to an external display in parallel as the signal line driver. 특허 청구의 범위 제5항에 따르는 표시기 구동 장치에서, 상술한 카운터 회로가 카운터와 그리고 상술한 카운터로부터의 오버플로우 신호를 받아드리고 이것을 보지하여 상술한 카운터가 오버 플로우가 되었다는 것을 나타내는 금지신호를 출력하도록 접속된 회로와, 그리고 상술한 금지신호에 응답하여 상술한 랫치회로에입력되는 상술한 직렬 데이터 신호가 받아드려지지 않게 금지시키는 수단을 포함하는 것.In the indicator driving device according to claim 5, the counter circuit described above receives a counter and an overflow signal from the above-described counter and outputs a prohibition signal indicating that the above-described counter has overflowed. And means for inhibiting the above-mentioned serial data signal input to the latch circuit described above in response to the above-described prohibition signal. 특허 청구의 범위 제5항에 따르는 표시기 구동장치에서 상술한 랫치회로가 다수의 단위 랫치회로로 만들어지며 각각의 단위 랫치회로는 여러개의 게이트 회로를 포함하고, 또한 상술한 각각의 단위 랫치회로안에다 치소한 게이트 회로와 같은 수의 시프트 레지스터를 더 포함하며 상술한 시프트레지스터는 상술한 클럭 신호에 동기되어 상술한 직렬 신호 데이터를 받아드려 이것을 시프트 시키게끔 연결되고 또한 상술한 각각의 단위랫치회로에 접속되어서 상술한 시프트레지스터에 입력된 영상신호 데이터가 상술한 디코우더 수단으로부터의 출력신호의 제어에 따라 순차적으로 상술한 단위 랫치 회로에 주기적으로 랫치되게 하는 것.In the indicator driving apparatus according to claim 5, the latch circuit described above is made of a plurality of unit latch circuits, each unit latch circuit including a plurality of gate circuits, and also within each of the unit latch circuits described above. It further includes the same number of shift registers as the gated gate circuit, wherein the shift register described above is connected to receive the above-mentioned serial signal data in synchronization with the above-described clock signal and to shift it, and is connected to each of the unit latch circuits described above. Wherein the video signal data input to the shift register described above is periodically latched to the above-described unit latch circuit under the control of the output signal from the decoder means. 특허 청구의 범위 제7항에 따르는 표시기 구동장치에서 상술한 카운터 회로가 카운터와, 그리고 상술한 카운터로부터의 오버플로우 신호를 받아드리고 이것을 보지하여 상술한 카운터가 카운터 오버플로우가 되었다는 것을 나타내는 금지신호를 출력하도록 접속된 회로와, 그리고 상술한 금지신호에 응답하여 상술한 랫치 회로에 입력되는 상술한 직렬 데이터 신호가 받아드려지지 않게 금지하는 수단을 포함하는 것.In the indicator driving apparatus according to claim 7, the counter circuit described above receives the counter and the overflow signal from the above-described counter, and holds this to show a prohibition signal indicating that the above counter has become a counter overflow. Circuitry connected to output, and means for prohibiting the above-mentioned serial data signal input to the latch circuit described above in response to the above-described prohibition signal. 특허 청구의 범위 제5항에 따르는 표시기 구동 장치에서, 상술한 표기기 구동회로는 상술한 구동신호를 성형하기 위한 수단과, 상술한 성형된 구동신호를 도트 매트릭스 구조의 액정 표시장치의 신호선에 인가하는 수단을 포함하는 것.In the display device driving apparatus according to claim 5, the above-described display device driver circuit applies the means for shaping the above-described drive signal and the above-described shaped drive signal to the signal line of the liquid crystal display device of the dot matrix structure. Including means for doing so. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850000527A 1984-02-01 1985-01-29 A series-parallel converting circuit and a display driving device which uses the circuit KR920009052B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930002077A KR930003647B1 (en) 1984-02-01 1993-02-15 Display system having display driving device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59015230A JPS60160727A (en) 1984-02-01 1984-02-01 Serial-parallel converting circuit and display drive device using it
JP59-15230 1984-02-01
JP84-15230 1984-02-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1019930002077A Division KR930003647B1 (en) 1984-02-01 1993-02-15 Display system having display driving device

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KR850006118A true KR850006118A (en) 1985-09-28
KR920009052B1 KR920009052B1 (en) 1992-10-13

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KR1019850000527A KR920009052B1 (en) 1984-02-01 1985-01-29 A series-parallel converting circuit and a display driving device which uses the circuit

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JP (1) JPS60160727A (en)
KR (1) KR920009052B1 (en)
GB (1) GB2155221A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273294A (en) * 1985-09-27 1987-04-03 カシオ計算機株式会社 Image display unit
JPH0673068B2 (en) * 1986-03-31 1994-09-14 株式会社東芝 Liquid crystal display
JPS62245289A (en) * 1986-04-18 1987-10-26 沖電気工業株式会社 Display data transfer circuit
US5051739A (en) * 1986-05-13 1991-09-24 Sanyo Electric Co., Ltd. Driving circuit for an image display apparatus with improved yield and performance
JPS6390296U (en) * 1986-12-01 1988-06-11
JP3518086B2 (en) * 1995-09-07 2004-04-12 ソニー株式会社 Video signal processing device
JP3548405B2 (en) 1996-12-19 2004-07-28 キヤノン株式会社 Image data transfer control device and display device
JP5073935B2 (en) * 2005-10-06 2012-11-14 オンセミコンダクター・トレーディング・リミテッド Serial data input system

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Publication number Priority date Publication date Assignee Title
GB1385185A (en) * 1971-03-24 1975-02-26 Mullard Ltd Electrical display devices
US3723658A (en) * 1971-06-30 1973-03-27 Ddi Communications Inc Extendable multiplexer
GB30633A (en) * 1972-07-07
GB1472505A (en) * 1975-07-18 1977-05-04 Damon Corp Remote sensing and/or control system
JPS55143652A (en) * 1979-04-25 1980-11-10 Hitachi Ltd Series-parallel signal converter
US4393301A (en) * 1981-03-05 1983-07-12 Ampex Corporation Serial-to-parallel converter
JPS57200091A (en) * 1981-06-03 1982-12-08 Hitachi Ltd Matrix display unit

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KR920009052B1 (en) 1992-10-13
GB2155221A (en) 1985-09-18
JPS60160727A (en) 1985-08-22
GB8502030D0 (en) 1985-02-27

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