KR970007783A - 표시장치의 구동회로 - Google Patents

표시장치의 구동회로 Download PDF

Info

Publication number
KR970007783A
KR970007783A KR1019960028528A KR19960028528A KR970007783A KR 970007783 A KR970007783 A KR 970007783A KR 1019960028528 A KR1019960028528 A KR 1019960028528A KR 19960028528 A KR19960028528 A KR 19960028528A KR 970007783 A KR970007783 A KR 970007783A
Authority
KR
South Korea
Prior art keywords
display
sustain
driving
load ratio
period
Prior art date
Application number
KR1019960028528A
Other languages
English (en)
Other versions
KR100445731B1 (ko
Inventor
준이찌 오노데라
마사미찌 나까지마
아사오 고사까이
마사유끼 고바야시
하야도 덴다
세이지 마쓰나가
도오루 아이다
Original Assignee
야기 쓰구오
가부시키가이샤 후지쓰 제네럴
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
Priority claimed from JP20778295A external-priority patent/JP3206711B2/ja
Priority claimed from JP7207781A external-priority patent/JP2964922B2/ja
Application filed by 야기 쓰구오, 가부시키가이샤 후지쓰 제네럴 filed Critical 야기 쓰구오
Publication of KR970007783A publication Critical patent/KR970007783A/ko
Application granted granted Critical
Publication of KR100445731B1 publication Critical patent/KR100445731B1/ko

Links

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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—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 luminous gas-discharge panels, e.g. plasma panels using AC 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
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2059—Display of intermediate tones using error diffusion
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—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 luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/294—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—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 luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/294—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
    • G09G3/2944—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge by varying the frequency of sustain pulses or the number of sustain pulses proportionally in each subfield of the whole frame
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—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 luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/294—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
    • G09G3/2946—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 luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge by introducing variations of the frequency of sustain pulses within a frame or non-proportional variations of the number of sustain pulses in each subfield
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—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 luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—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 luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/298—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 luminous gas-discharge panels, e.g. plasma panels using AC panels using surface discharge 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0266—Reduction of sub-frame artefacts
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Gas Discharge Display Tubes (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야
본 발명은 표시장치의 구동회로에 관한 것이다.
2. 발명이 해결하려고 하는 기술적 과제
본 발명은 표시부하율이 큰때나 적은때나 항상 일정한 발광휘도특성으로 화상표시가 될 수 있는 표시장치의 구동회로를 제공하는데 있다.
3. 발명의 해결방법의 요지
복수의 구동소자(10)를 갖고 각 구동소자(10)가 복수화소의 구동을 담당함과 동시에 입력영상신호에 기초해서 각 구동소자(10)로부터 표시판에 공급하는 서스테잉펄스의 펄스수의 변화로 표시휘도가 변화하는 표시장치에 있어서, 입력영상신호에 기초해서 일정기간마다의 표시부하율을 검출하는 표시부하율검출수단과, 이 표시부하율검출수단의 검출출력에 기초해서 표시판의 휘도특성을 일정하게 유지하도록 서스테인잉펄스수를 제어하는 서스테인잉펄스 제어수단을 구비한 것을 특징으로 하는 표시장치의 구동회로이다.
4. 발명의 중요한 용도
본 발명은 서스테인잉펄스수, 서스테인잉전압, 또는 서스테인잉전류의 변화로 표시휘도가 변화하도록 한 표시장치의 구동회로에 관한 것이다.

Description

표시장치의 구동회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명에 의한 표시장치의 구동회로의 제2의 실시형태를 나타내는 블록도.

Claims (12)

  1. 복수의 구동소자(10)를 갖고 각 구동소자(10)가 복수화소의 구동을 담당함과 동시에 입력영상신호에 기초해서 각 구동소자(10)로부터 표시판에 공급하는 서스테잉펄스의 펄스수의 변화로 표시휘도가 변화하는 표시장치에 있어서, 입력영상신호에 기초해서 일정기간마다의 표시부하율을 검출하는 표시부하율검출수단과, 이 표시부하율검출수단의 검출출력에 기초해서 표시판의 휘도특성을 일정하게 유지하도록 서스테인잉펄스수를 제어하는 서스테인잉펄스 제어수단을 구비한 것을 특징으로 하는 표시장치의 구동회로.
  2. 제1항에 있어서, 표시장치는 표시판의 1화면표시기간을 표시색조에 대응하는 복수의 표시기간으로 시분할하고 각 분할표시기간의 서스테인잉펄스수에 가중해서 다중색조화상을 표시하는 표시장치로서, 표시부하율검출수단은 1화면표시기간 또는 1분할표시기간중의 한쪽의 표시기간마다의 구동화소수를 계수하는 카운터(22)로 되고 서스테인잉펄스제어수단은 카운터(22)의 계수치에 기초해서 서스테인잉펄스수를 제어하는 서스테인잉펄스제어회로로 구성된 것을 특징으로 하는 표시장치의 구동회로.
  3. 제2항에 있어서, 서스테인잉펄스제어회로는 카운터(22)의 계수치를 기초로해서 표시판의 휘도특성을 일정하게 유지하기 위한 서스테인잉펄스수를 미리 기억한 룩업테이블(24)을 주체로 한 것을 특징으로 하는 표시장치의 구동회로.
  4. 복수의 구동소자(10)를 갖고 각 구동소자(10)가 복수화소의 구동을 담당함과 동시에 입력영상신호에 기초해서 각 구동소자(10)로부터 표시판에 공급하는 서스테잉전압 또는 서스테인잉전류의 변화로 표시휘도가 변화하는 표시장치에 있어서, 입력영상신호에 기초해서 일정기간마다의 표시부하율을 검출하는 표시부하율검출수단과, 이 표시부하율검출수단의 검출출력에 기초해서 표시판의 휘도특성을 일정하게 유지하도록 서스테인잉전압 또는 서스테인잉전류를 제어하는 서스테인잉전압·전류제어수단을 구비한 것을 특징으로 하는 표시장치의 구동회로.
  5. 제4항에 있어서, 표시장치는 표시판의 1화면표시기간을 표시색조에 대응하는 복수의 표시기간으로 시분할하고 각 분할표시기간의 서스테인잉펄스수에 가중해서 다중색조화상을 표시하는 표시장치로서, 표시부하율검출수단은 1화면표시기간마다의 구동화소수를 계수하는 카운더(22)로 되고 서스테인잉펄스제어수단은 카운터(22)의 계수치에 기초해서 서스테인잉전압 또는 서스테인잉전류를 제어하는 서스테인잉전압·전류제어회로로 구성된 것을 특징으로 하는 표시장치의 구동회로.
  6. 제4항에 있어서, 표시장치는 표시판의 1화면표시기간을 표시색조에 대응하는 복수의 표시기간으로 시분할하고 각 분할표시기간의 서스테인잉펄스수에 가중해서 다중색조화상을 표시하는 표시장치로서, 표시부하율검출수단은 1화면표시기간마다의 구동화소수를 계수하는 카운터(22)로 되고 서스테인잉펄스제어수단은 카운터(22)의 계수치에 기초해서 서스테인잉전압 또는 서스테인잉전류를 제어하는 서스테인잉전압·전류제어회로로 구성된 것을 특징으로 하는 표시장치의 구동회로.
  7. 복수의 구동소자(10)를 갖고 각 구동소자(10)가 복수화소의 구동을 담당하고 표시판의 1화면표시기간을 표시색조에 대응하는 복수의 표시기간으로 시분할하고 각 분할표시기간의 서스테인잉펄스수에 가중해서 다중색조화상을 표시하는 표시장치에 있어서, n비트(n은 2 이상의 정수)의 입력영상신호를 m비트(mn-1)의 영상신호로 변환함과 동시에 중간레벨을 인접구동레벨로부터 구하는 중간색조표시수단과, 이 중간색조표시수단의 m비트의 영상신호에 기초해서 일정기간마다의 표시면적을 검출하고, 이 검출출력에 기초하여 표시판의 휘도특성을 일정하게 유지하도록 서스테인잉펄스를 제어하는 표시면적검출수단을 구비한 것을 특징으로 하는 표시장치의 구동회로.
  8. 제7항에 있어서, 중간표시수단은 표시해야 할 영상레벨과 표시한 구동레벨과의 차이를 오차로해서 주위의 영상에 확산시키는 오차확산회로로된 것을 특징으로 하는 표시장치의 구동회로.
  9. 제7항 또는 제8항에 있어서, 표시면적검출수단은 일정기간 마다의 표시부하율을 검출하는 표시부하율검출회로와 이 표시부하율검출회로의 검출출력에 기초해서 표시판의 휘도특성을 일정하게 유지하도록 서스테인잉펄스수를 제어하는 서스테인잉펄스제어회로로된 것을 특징으로 하는 표시장치의 구동회로.
  10. 제7항 또는 제8항에 있어서, 표시면적검출수단은 일정기간 마다의 표시부하율을 검출하는 표시부하율검출회로와 이 표시부하율검출회로의 검출출력에 기초해서 표시판의 휘도특성을 일정하게 유지하도록 서스테인잉전압 또는 서스테인잉전류를 제어하는 서스테인잉전압·전류제어회로로된 것을 특징으로 하는 표시장치의 구동회로.
  11. 제10항에 있어서, 표시부하율검출회로는 1화면표시기간마다의 구동화소수를 계수하는 카운터(22)로 되고 서스테인잉펄스제어회로는 카운터(22)의 계수치에 기초해서 서스테인잉전압 또는 서스테인잉전류를 제어해서 된 것을 특징으로 하는 표시장치의 구동회로.
  12. 제10항에 있어서, 표시부하율검출회로는 1라인표시기간마다의 구동화소수를 계수하는 카운터(22)로 되고 서스테인잉펄스제어회로는 카운터(22)의 계수치에 기초해서 서스테인잉전압 또는 서스테인잉전류를 제어해서 된 것을 특징으로 하는 표시장치의 구동회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960028528A 1995-07-21 1996-07-15 표시장치의구동회로 KR100445731B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20778295A JP3206711B2 (ja) 1995-07-21 1995-07-21 ディスプレイ装置の駆動回路
JP95-207782 1995-07-21
JP95-207781 1995-07-21
JP7207781A JP2964922B2 (ja) 1995-07-21 1995-07-21 ディスプレイ装置の駆動回路

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020030082249A Division KR100428870B1 (ko) 1995-07-21 2003-11-19 표시장치의 구동회로

Publications (2)

Publication Number Publication Date
KR970007783A true KR970007783A (ko) 1997-02-21
KR100445731B1 KR100445731B1 (ko) 2004-11-06

Family

ID=26516470

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019960028528A KR100445731B1 (ko) 1995-07-21 1996-07-15 표시장치의구동회로
KR1020030082249A KR100428870B1 (ko) 1995-07-21 2003-11-19 표시장치의 구동회로

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020030082249A KR100428870B1 (ko) 1995-07-21 2003-11-19 표시장치의 구동회로

Country Status (7)

Country Link
US (1) US6061040A (ko)
EP (2) EP0755043B1 (ko)
KR (2) KR100445731B1 (ko)
AU (1) AU716530B2 (ko)
CA (1) CA2181211C (ko)
DE (1) DE69638014D1 (ko)
TW (1) TW300989B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030003537A (ko) * 2001-07-03 2003-01-10 현대자동차주식회사 전기자동차용 축전지 및 그 제조방법
KR100453893B1 (ko) * 2003-02-21 2004-10-20 삼성에스디아이 주식회사 플라즈마 디스플레이 패널의 자동 전력 제어 장치 및 그제어 방법

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4163787B2 (ja) * 1997-06-20 2008-10-08 株式会社大宇エレクトロニクス 交流プラズマディスプレイ平板装置のタイミング制御装置及び方法
KR100217279B1 (ko) * 1997-06-20 1999-09-01 전주범 Pdp-tv시스템의 계조처리를 위한 메인클럭 분리적용 방법.
JPH1124628A (ja) * 1997-07-07 1999-01-29 Matsushita Electric Ind Co Ltd プラズマディスプレイパネルの階調表示方法
JP2994631B2 (ja) 1997-12-10 1999-12-27 松下電器産業株式会社 Ｐｄｐ表示の駆動パルス制御装置
JP3399853B2 (ja) * 1998-09-30 2003-04-21 三菱電機株式会社 表示パネルの表示制御回路
JP2000284743A (ja) * 1999-03-30 2000-10-13 Nec Corp プラズマディスプレイパネル駆動装置
JP3580732B2 (ja) * 1999-06-30 2004-10-27 富士通株式会社 色温度若しくは色偏差を一定にするプラズマ・ディスプレイ・パネル
KR100436819B1 (ko) * 1999-11-12 2004-06-23 마츠시타 덴끼 산교 가부시키가이샤 플라즈마 디스플레이 장치 및 그 구동 방법
US6791515B2 (en) * 2000-08-23 2004-09-14 Matsushita Electric Industrial Co., Ltd. Image display apparatus for writing display information with reduced electric consumption
JP3556163B2 (ja) * 2000-09-25 2004-08-18 富士通日立プラズマディスプレイ株式会社 表示装置
EP1346339A2 (en) * 2000-12-20 2003-09-24 Koninklijke Philips Electronics N.V. Matrix display device and method
US7098876B2 (en) 2001-09-06 2006-08-29 Samsung Sdi Co., Ltd. Image display method and system for plasma display panel
US7215316B2 (en) 2001-10-25 2007-05-08 Lg Electronics Inc. Apparatus and method for driving plasma display panel
JP4073201B2 (ja) * 2001-11-09 2008-04-09 株式会社日立製作所 プラズマディスプレイパネル及びそれを備えた画像表示装置
KR100438910B1 (ko) * 2001-12-01 2004-07-03 엘지전자 주식회사 플라즈마 디스플레이 패널의 냉각장치와 전력 제어방법 및 장치
US7102596B2 (en) 2002-09-12 2006-09-05 Lg Electronics Inc. Method and apparatus for driving plasma display panel
EP2568467A1 (en) 2002-12-20 2013-03-13 Trident Microsystems (Far East) Ltd. Apparatus for re-ordering video data for displays using two transpose steps and storage of intermediate partially re-ordered video data
KR100710283B1 (ko) * 2003-07-24 2007-04-23 엘지전자 주식회사 플라즈마 디스플레이 패널의 구동장치 및 구동방법
JP4084262B2 (ja) * 2003-08-08 2008-04-30 三星エスディアイ株式会社 輝度補正回路、輝度補正方法及び映像表示装置並びに映像表示方法
EP1519024A1 (en) * 2003-09-23 2005-03-30 Delphi Technologies, Inc. A drive circuit for an injector arrangement
KR100603311B1 (ko) * 2003-11-22 2006-07-20 삼성에스디아이 주식회사 패널구동방법 및 장치
KR20050096082A (ko) * 2004-03-29 2005-10-05 엘지전자 주식회사 플라즈마 디스플레이 패널의 화상처리 장치
EP1589515A3 (en) * 2004-04-21 2007-10-03 LG Electronics Inc. Plasma display apparatus and method for driving the same
KR20060032112A (ko) * 2004-10-11 2006-04-14 엘지전자 주식회사 플라즈마 디스플레이 패널의 구동방법
US7251476B2 (en) * 2004-11-01 2007-07-31 Xcellasave, Inc. Method for advertising on digital cellular telephones and reducing costs to the end user
JP4799890B2 (ja) 2004-12-03 2011-10-26 日立プラズマディスプレイ株式会社 プラズマディスプレイパネルの表示方法
KR100707445B1 (ko) * 2005-03-16 2007-04-13 엘지전자 주식회사 플라즈마 디스플레이 패널 구동장치 및 그 구동방법
CN102314834B (zh) * 2010-06-30 2014-07-02 达意科技股份有限公司 电泳显示器及其驱动方法
CN101950529B (zh) * 2010-09-30 2012-08-22 四川虹欧显示器件有限公司 产生等离子显示器控制波形的方法与系统

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55129397A (en) * 1979-03-29 1980-10-07 Fujitsu Ltd Plasma display unit
EP0149381B1 (en) * 1983-12-09 1995-08-02 Fujitsu Limited Method for driving a gas discharge display panel
JPS60221796A (ja) * 1984-04-18 1985-11-06 富士通株式会社 ガス放電パネルの駆動方法
US5089812A (en) * 1988-02-26 1992-02-18 Casio Computer Co., Ltd. Liquid-crystal display
JPH02219092A (ja) * 1989-02-20 1990-08-31 Fujitsu General Ltd 交流型プラズマディスプレイパネルの駆動方法
US5351315A (en) * 1990-02-21 1994-09-27 Ricoh Company, Ltd. Apparatus for smoothing outlines of images
US5122792A (en) * 1990-06-21 1992-06-16 David Sarnoff Research Center, Inc. Electronic time vernier circuit
JP3259253B2 (ja) * 1990-11-28 2002-02-25 富士通株式会社 フラット型表示装置の階調駆動方法及び階調駆動装置
JPH0535205A (ja) * 1991-07-29 1993-02-12 Nec Corp プラズマデイスプレイの駆動方式
DE69220019T2 (de) * 1991-12-20 1997-09-25 Fujitsu Ltd Verfahren und Vorrichtung zur Steuerung einer Anzeigetafel
JP3276406B2 (ja) * 1992-07-24 2002-04-22 富士通株式会社 プラズマディスプレイの駆動方法
US5596349A (en) * 1992-09-30 1997-01-21 Sanyo Electric Co., Inc. Image information processor
JP2795124B2 (ja) * 1993-03-03 1998-09-10 株式会社富士通ゼネラル ディスプレイパネルの中間調画像表示方法
JPH06282242A (ja) * 1993-03-25 1994-10-07 Pioneer Electron Corp ガス放電パネルの駆動方法
KR100296872B1 (ko) * 1993-07-22 2001-10-24 김순택 전계방출표시소자로이루어지는디스플레이패널의자동휘도보정장치및그구동방법
JP3266373B2 (ja) * 1993-08-02 2002-03-18 富士通株式会社 プラズマ・ディスプレイパネル
JP3006363B2 (ja) * 1993-08-26 2000-02-07 株式会社富士通ゼネラル Ｐｄｐ駆動方法
DE69529716T2 (de) * 1994-10-06 2003-07-17 Fujitsu General Ltd Grauskalaverarbeitung unter Verwendung eines Fehlerdiffusionsverfahren
JP3089960B2 (ja) * 1994-11-17 2000-09-18 株式会社富士通ゼネラル 誤差拡散回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030003537A (ko) * 2001-07-03 2003-01-10 현대자동차주식회사 전기자동차용 축전지 및 그 제조방법
KR100453893B1 (ko) * 2003-02-21 2004-10-20 삼성에스디아이 주식회사 플라즈마 디스플레이 패널의 자동 전력 제어 장치 및 그제어 방법

Also Published As

Publication number Publication date
KR100428870B1 (ko) 2004-04-28
US6061040A (en) 2000-05-09
EP2105912A2 (en) 2009-09-30
KR100445731B1 (ko) 2004-11-06
AU716530B2 (en) 2000-02-24
EP0755043B1 (en) 2009-09-02
DE69638014D1 (de) 2009-10-15
AU6068896A (en) 1997-01-30
TW300989B (ko) 1997-03-21
CA2181211A1 (en) 1997-01-22
EP2105912A3 (en) 2010-03-17
EP0755043A1 (en) 1997-01-22
CA2181211C (en) 2005-02-08

Similar Documents

Publication Publication Date Title
KR970007783A (ko) 표시장치의 구동회로
KR100437479B1 (ko) 구동 모드를 가진 영상표시장치 및 그의 구동방법
US8432352B2 (en) Backlight driving circuit and driving method for driving the same
KR100358554B1 (ko) 플라즈마디스플레이장치
US20070182700A1 (en) Image display device and image display method
CN102110403B (zh) 改善显示器拖影现象的方法及相关的显示器
US20040257329A1 (en) Method and apparatus for driving liquid crystal display device
JP2000241796A (ja) 液晶表示装置及び液晶表示装置の制御信号を出力する電子機器
KR100381869B1 (ko) 적응형 휘도 증대 기능을 갖는 액정 표시 장치 및 이의구동 장치와 이의 구동 방법
US6661428B1 (en) Device and method for controlling luminance of flat display
KR920020386A (ko) Lcd 어드레싱 시스템
KR20070069707A (ko) 액정 표시 장치 및 그의 구동 방법
JP2000221945A (ja) マトリクス型表示装置
JPH11296131A (ja) マトリクス表示ディスプレイの階調表示方法及びこの方法を用いた表示装置
JPH0934403A (ja) ディスプレイ装置の駆動回路
JPH0990906A (ja) Ｌｅｄディスプレイの表示方法
KR101481072B1 (ko) 계조 bit(데이터)에 따라 가변적 재생률을 갖는 영상 표시 장치, 영상 처리 방법 및 그를 이용한 전광판 시스템
KR100432668B1 (ko) 플라즈마 표시 패널의 구동 전력을 제어하는 방법과 장치,그 장치를 포함하는 플라즈마 표시 패널 장치
KR101545924B1 (ko) 액정표시장치
JPH05265399A (ja) 表示装置
US11682343B2 (en) Display driver
US20240119908A1 (en) Display panel and driving method thereof
JP2000098957A (ja) 階調表示用制御方法および制御回路
JPH11288240A (ja) 表示装置の駆動方法及び回路
JP2005275147A (ja) 液晶表示装置

Legal Events

Date Code Title Description
A201 Request for examination
AMND Amendment
E902 Notification of reason for refusal
A107 Divisional application of patent
AMND Amendment
E601 Decision to refuse application
J201 Request for trial against refusal decision
AMND Amendment
B701 Decision to grant
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20130726

Year of fee payment: 10

FPAY Annual fee payment

Payment date: 20140728

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee