KR100517153B1 - 화상 표시 장치 및 화상 표시 방법, 및 화상 표시프로그램을 기록한 기록 매체 - Google Patents
화상 표시 장치 및 화상 표시 방법, 및 화상 표시프로그램을 기록한 기록 매체 Download PDFInfo
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- KR100517153B1 KR100517153B1 KR10-2003-0057870A KR20030057870A KR100517153B1 KR 100517153 B1 KR100517153 B1 KR 100517153B1 KR 20030057870 A KR20030057870 A KR 20030057870A KR 100517153 B1 KR100517153 B1 KR 100517153B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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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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- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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
- G09G3/367—Control of matrices with row and column drivers with a nonlinear element in series with the liquid crystal cell, e.g. a diode, or M.I.M. element
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/222—Control of the character-code memory
- G09G5/227—Resolution modifying circuits, e.g. variable screen formats, resolution change between memory contents and display screen
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0414—Vertical resolution change
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0421—Horizontal resolution change
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0428—Gradation resolution change
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
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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
- G09G3/2007—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
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
- G09G3/2081—Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (7)
- 화상 데이터를 표시하는 표시부와,화상 데이터의 계조수에 대응한 수의 계조 제어 펄스에 의해, 상기 표시부 내의 각 화소의 표시 상태를 제어하여 중간조 표시를 행하는 중간조 제어부와,원화상 데이터의 화소수를 n배하고, 또한, 계조수를 1/n로 한 의사 고해상도 화상 데이터를 생성하는 해상도 변환 수단과,상기 의사 고해상도 화상 데이터를 표시할 때에는, 상기 계조 제어 펄스수를 1/n로 변경하도록 상기 중간조 제어부를 제어하는 계조 제어 수단을 구비하는 것을 특징으로 하는 화상 표시 장치.
- 제 1 항에 있어서,상기 해상도 변환 수단은, 1개의 화소를, 특정의 계조 레벨의 화소를 각각 1 ~ n개 포함하는 합계 n개의 화소 패턴 중 어느 하나로 변환하는 것을 특징으로 하는 화상 표시 장치.
- 제 2 항에 있어서,상기 해상도 변환 수단은, 1개의 화소를 세로 방향 및 가로 방향으로 각각 2배하여 종횡 각각 2화소로 이루어진 합계 4 화소의 4 종류의 화소 패턴으로 변환하고, 상기 4 종류의 화소 패턴은, 특정의 계조 레벨의 화소를 1개만 포함하는 제 1 화소 패턴과, 상기 특정의 계조 레벨의 화소를 2개 포함하는 제 2 화소 패턴과, 상기 특정의 계조 레벨의 화소를 3개 포함하는 제 3 화소 패턴과, 상기 특정의 계조 레벨의 화소를 4개 포함하는 제 4 화소 패턴을 포함하는 것을 특징으로 하는 화상 표시 장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 중간조 제어부는, 화상 데이터의 수에 대응한 수의 계조 제어 펄스를 생성하는 펄스 생성부와, 표시할 계조 레벨에 대응하는 수의 상기 계조 제어 펄스에 대응하는 기간만큼 상기 화소에 구동 전압을 인가하는 구동부를 구비하는 것을 특징으로 하는 화상 표시 장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,표시 영역 근처의 화소수 a 및 계조수 b를 갖는 저해상도 화상 데이터, 및 표시 영역 근처의 화소수 (a×n) 및 계조수 b를 갖는 고해상도 화상 데이터를 수신하는 수신부를 구비하고,상기 계조 제어 수단은, 상기 의사 고해상도 화상 데이터를 표시할 때에는 상기 계조 제어 펄스수를 b/n로 설정하도록 상기 중간조 제어부를 제어하고, 상기 고해상도 화상 데이터를 표시할 때에는 상기 계조 제어 펄스수를 b로 설정하도록 상기 중간조 제어부를 제어하는 것을 특징으로 하는 화상 표시 장치.
- 화상 데이터를 표시하는 표시부를 구비하는 화상 표시 장치에 있어서 실행되는 화상 표시 방법에 있어서,원화상 데이터의 화소수를 n배하고, 또한, 계조수를 1/n로 한 의사 고해상도 화상 데이터를 생성하는 해상도 변환 공정과,표시할 화상 데이터의 계조수에 대응한 수의 계조 제어 펄스에 의해, 상기 표시부 내의 각 화소의 표시 상태를 제어하여 중간조 표시를 행하는 중간조 표시 공정을 갖되,상기 중간조 표시 공정은, 상기 의사 고해상도 화상 데이터를 표시할 때에는, 상기 계조 제어 펄스수를 1/n로 변경하는 것을 특징으로 하는 화상 표시 방법.
- 화상 데이터를 표시하는 표시부를 구비하는 화상 표시 장치에 있어서 실행되는 화상 표시 프로그램을 기록한 기록 매체에 있어서,원화상 데이터의 화소수를 n배하고, 또한, 계조수를 1/n로 한 의사 고해상도 화상 데이터를 생성하는 해상도 변환 단계와,표시할 화상 데이터의 계조수에 대응한 수의 계조 제어 펄스에 의해, 상기 표시부 내의 각 화소의 표시 상태를 제어하여 중간조 표시를 행하는 중간조 표시 단계를 갖되,상기 중간조 표시 단계는, 상기 의사 고해상도 화상 데이터를 표시할 때에는, 상기 계조 제어 펄스수를 1/n로 변경하는 것을 특징으로 하는 화상 표시 프로그램을 기록한 기록 매체.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2002-00242479 | 2002-08-22 | ||
JP2002242479A JP2004085607A (ja) | 2002-08-22 | 2002-08-22 | 画像表示装置及び画像表示方法、並びに画像表示プログラム |
Publications (2)
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KR20040018183A KR20040018183A (ko) | 2004-03-02 |
KR100517153B1 true KR100517153B1 (ko) | 2005-09-26 |
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KR10-2003-0057870A KR100517153B1 (ko) | 2002-08-22 | 2003-08-21 | 화상 표시 장치 및 화상 표시 방법, 및 화상 표시프로그램을 기록한 기록 매체 |
Country Status (5)
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US (1) | US7277103B2 (ko) |
JP (1) | JP2004085607A (ko) |
KR (1) | KR100517153B1 (ko) |
CN (1) | CN1287350C (ko) |
TW (1) | TW200419527A (ko) |
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JP3667002B2 (ja) * | 1996-09-11 | 2005-07-06 | キヤノン株式会社 | 画像処理方法及び装置 |
JPH10239662A (ja) | 1997-03-03 | 1998-09-11 | Toshiba Corp | 液晶表示装置 |
JP2000194311A (ja) | 1998-12-25 | 2000-07-14 | Matsushita Electric Ind Co Ltd | 表示装置および表示方法 |
KR100870487B1 (ko) * | 2001-07-04 | 2008-11-26 | 엘지디스플레이 주식회사 | 광시야각을 위한 액정디스플레이의 구동 방법 및 장치 |
JP3950841B2 (ja) * | 2003-11-18 | 2007-08-01 | キヤノン株式会社 | 画像処理方法及び装置 |
-
2002
- 2002-08-22 JP JP2002242479A patent/JP2004085607A/ja not_active Withdrawn
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2003
- 2003-08-06 US US10/634,799 patent/US7277103B2/en active Active
- 2003-08-21 KR KR10-2003-0057870A patent/KR100517153B1/ko active IP Right Grant
- 2003-08-21 CN CNB031539866A patent/CN1287350C/zh not_active Expired - Lifetime
- 2003-08-21 TW TW092123041A patent/TW200419527A/zh unknown
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JP2004085607A (ja) | 2004-03-18 |
CN1489127A (zh) | 2004-04-14 |
US20040080516A1 (en) | 2004-04-29 |
TW200419527A (en) | 2004-10-01 |
CN1287350C (zh) | 2006-11-29 |
KR20040018183A (ko) | 2004-03-02 |
US7277103B2 (en) | 2007-10-02 |
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