KR100897460B1 - 휴대용 전자기기 - Google Patents
휴대용 전자기기 Download PDFInfo
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- KR100897460B1 KR100897460B1 KR1020080027501A KR20080027501A KR100897460B1 KR 100897460 B1 KR100897460 B1 KR 100897460B1 KR 1020080027501 A KR1020080027501 A KR 1020080027501A KR 20080027501 A KR20080027501 A KR 20080027501A KR 100897460 B1 KR100897460 B1 KR 100897460B1
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- South Korea
- Prior art keywords
- data
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- display data
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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
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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
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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
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
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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
- 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
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
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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
- 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
- G09G2310/0278—Details of driving circuits arranged to drive both scan and data electrodes
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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
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (7)
- 도트 매트릭스방식의 표시장치와,상기 표시장치에 결합되고, 반도체칩에 형성된 표시제어장치를 갖는 휴대용 전자기기로서,상기 표시제어장치는,상기 휴대용 전자기기의 외부로부터 공급된 상기 표시장치에 표시하는 표시데이터를 저장하는 메모리와,상기 메모리의 판독 데이터에 근거하여, 상기 표시장치를 구동하는 구동회로와,상기 메모리에 기록할 표시데이터를 표시데이터의 비트수의 단위마다 받아들여 유지하는 데이터 유지회로와,상기 메모리에 대한 기록 모드를 설정하기 위한 설정치가 상기 휴대용 전자기기의 외부로부터 설정가능한 제1 레지스터를 가지며,상기 제1 레지스터의 설정치가 제1 설정치로 된 경우, 상기 메모리에 대한 기록 모드가, 상기 데이터 유지회로에 저장된 표시데이터를 상기 표시데이터의 비트수의 단위마다, 상기 메모리에 기록하는 제1 모드로 설정되고,상기 제1 레지스터의 설정치가 상기 제1 설정치와 다른 제2 설정치로 된 경우, 상기 메모리에 대한 기록 모드가, 상기 데이터 유지회로에 저장된 표시 데이터를 상기 표시데이터의 비트수의 n배(n은 정수; n > 1)의 단위마다 상기 메모리에 기록하는 제2 모드로 설정되는 것을 특징으로 하는 휴대용 전자기기.
- 제 1 항에 있어서,상기 표시제어장치는, 상기 메모리에 기록하는 표시 데이터가 상기 휴대용 전자기기의 외부로부터 공급되는 외부단자를 더 가지며,상기 데이터 유지회로는, 상기 외부단자에 공급된 표시 데이터를 상기 표시데이터의 비트수의 단위마다 받아들여 유지하는 휴대용 전자기기.
- 제 2 항에 있어서,상기 데이터 유지회로는, 상기 제1 모드에 있어서, 상기 표시데이터의 비트수의 단위의 제1 데이터를 받아들여 유지한 후, 다음의 상기 표시데이터의 비트수의 단위의 제2 데이터를 받아들이기 전에, 상기 제1 데이터를 상기 메모리에 기록하고,상기 데이터 유지회로는, 상기 제2 모드에 있어서, 상기 표시데이터의 비트수의 단위의 데이터의 복수를 순차로 받아들여 유지한 후, 상기 유지된 표시데이터의 비트수의 단위의 데이터의 복수를 일괄해서 상기 메모리에 기록하는 휴대용 전자기기.
- 제 1 항에 있어서,상기 표시제어장치는, 상기 메모리에 대한 상기 표시데이터의 기록위치를 상기 휴대용 전자기기의 외부로부터 지정가능한 제2 레지스터를 더 갖고,상기 데이터 유지회로는, 상기 제2 모드에 있어서, 상기 제2 레지스터에 설정된 값에 근거하여, 상기 데이터 유지회로에 유지된 표시데이터의 상기 메모리내의 선택된 1라인 내에서의 기록 위치가 지정되는 휴대용 전자기기.
- 제 1 항에 있어서,상기 표시제어장치는,계조전압 발생회로와,상기 계조전압 발생회로에 의해 생성된 복수의 계조전압 중에서 상기 메모리로부터 판독된 상기 표시데이터에 대응하는 계조전압을 선택하는 계조전압 선택회로를 더 갖는 휴대용 전자기기.
- 제 1 항에 있어서,상기 n은 4인 휴대용 전자기기.
- 제 1 항에 있어서,상기 표시데이터의 비트수의 단위는 16비트 단위이며,상기 표시데이터의 비트수의 n배의 단위는 64비트 단위인 휴대용 전자기기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00383012 | 2000-12-18 | ||
JP2000383012A JP4132654B2 (ja) | 2000-12-18 | 2000-12-18 | 表示制御装置および携帯用電子機器 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070080080A Division KR100865427B1 (ko) | 2000-12-18 | 2007-08-09 | 휴대용 전자기기 및 휴대전화기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080036565A KR20080036565A (ko) | 2008-04-28 |
KR100897460B1 true KR100897460B1 (ko) | 2009-05-14 |
Family
ID=18850738
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010077722A KR100747634B1 (ko) | 2000-12-18 | 2001-12-10 | 표시제어장치 및 휴대용 전자기기 |
KR1020050109174A KR100798167B1 (ko) | 2000-12-18 | 2005-11-15 | 표시제어장치 및 휴대용 전자기기 |
KR1020050109173A KR100747635B1 (ko) | 2000-12-18 | 2005-11-15 | 표시제어장치 및 휴대용 전자기기 |
KR1020070080080A KR100865427B1 (ko) | 2000-12-18 | 2007-08-09 | 휴대용 전자기기 및 휴대전화기 |
KR1020080027501A KR100897460B1 (ko) | 2000-12-18 | 2008-03-25 | 휴대용 전자기기 |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010077722A KR100747634B1 (ko) | 2000-12-18 | 2001-12-10 | 표시제어장치 및 휴대용 전자기기 |
KR1020050109174A KR100798167B1 (ko) | 2000-12-18 | 2005-11-15 | 표시제어장치 및 휴대용 전자기기 |
KR1020050109173A KR100747635B1 (ko) | 2000-12-18 | 2005-11-15 | 표시제어장치 및 휴대용 전자기기 |
KR1020070080080A KR100865427B1 (ko) | 2000-12-18 | 2007-08-09 | 휴대용 전자기기 및 휴대전화기 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20020075272A1 (ko) |
JP (1) | JP4132654B2 (ko) |
KR (5) | KR100747634B1 (ko) |
TW (1) | TWI221576B (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050280623A1 (en) * | 2000-12-18 | 2005-12-22 | Renesas Technology Corp. | Display control device and mobile electronic apparatus |
EP1431952A4 (en) * | 2001-09-28 | 2009-12-02 | Sony Corp | DISPLAY MEMORY, DRIVER SWITCHING, DISPLAY AND CELLULAR INFORMATION DEVICE |
JP2004233743A (ja) * | 2003-01-31 | 2004-08-19 | Renesas Technology Corp | 表示駆動制御装置および表示装置を備えた電子機器 |
CN1809869B (zh) | 2003-06-30 | 2011-04-20 | 瑞萨电子株式会社 | 驱动器及其显示设备 |
JP4744074B2 (ja) * | 2003-12-01 | 2011-08-10 | ルネサスエレクトロニクス株式会社 | 表示メモリ回路および表示コントローラ |
JP4570025B2 (ja) | 2004-02-06 | 2010-10-27 | ルネサスエレクトロニクス株式会社 | コントローラドライバ及び表示パネル駆動方法 |
TWI286764B (en) * | 2005-01-20 | 2007-09-11 | Himax Tech Ltd | Memory architecture of display device and memory writing method for the same |
JP2007033611A (ja) * | 2005-07-25 | 2007-02-08 | Casio Comput Co Ltd | 表示制御回路 |
KR100804632B1 (ko) * | 2006-05-12 | 2008-02-20 | 삼성전자주식회사 | 전류 소모를 줄이는 데이터 전송 장치 및 방법, 액정 표시장치의 소스 드라이버 및 소스 구동 방법, 이를 포함하는액정 표시 장치 |
JP4721292B2 (ja) * | 2008-02-18 | 2011-07-13 | ルネサスエレクトロニクス株式会社 | 携帯用電子機器及び携帯電話器 |
CN105895039A (zh) * | 2016-05-17 | 2016-08-24 | 深圳天珑无线科技有限公司 | 电子设备及驱动显示屏的方法 |
US20200192542A1 (en) * | 2018-12-12 | 2020-06-18 | Novatek Microelectronics Corp. | Display device with integrated antenna and method thereof |
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2000
- 2000-12-18 JP JP2000383012A patent/JP4132654B2/ja not_active Expired - Lifetime
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2001
- 2001-12-03 TW TW090129849A patent/TWI221576B/zh not_active IP Right Cessation
- 2001-12-03 US US09/998,325 patent/US20020075272A1/en not_active Abandoned
- 2001-12-10 KR KR1020010077722A patent/KR100747634B1/ko active IP Right Grant
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2005
- 2005-11-15 KR KR1020050109174A patent/KR100798167B1/ko active IP Right Grant
- 2005-11-15 KR KR1020050109173A patent/KR100747635B1/ko active IP Right Grant
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2007
- 2007-08-09 KR KR1020070080080A patent/KR100865427B1/ko active IP Right Grant
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2008
- 2008-03-25 KR KR1020080027501A patent/KR100897460B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687132A (en) * | 1995-10-26 | 1997-11-11 | Cirrus Logic, Inc. | Multiple-bank memory architecture and systems and methods using the same |
US5844856A (en) * | 1996-06-19 | 1998-12-01 | Cirrus Logic, Inc. | Dual port memories and systems and methods using the same |
JPH10282938A (ja) * | 1997-04-07 | 1998-10-23 | Seiko Epson Corp | 表示制御回路及び画像表示装置並びにそれを備えた電子機器 |
Also Published As
Publication number | Publication date |
---|---|
KR100798167B1 (ko) | 2008-01-24 |
KR100865427B1 (ko) | 2008-10-24 |
KR20050113152A (ko) | 2005-12-01 |
KR20070097377A (ko) | 2007-10-04 |
KR100747634B1 (ko) | 2007-08-08 |
KR20050116113A (ko) | 2005-12-09 |
KR100747635B1 (ko) | 2007-08-08 |
KR20020059227A (ko) | 2002-07-12 |
JP2002182627A (ja) | 2002-06-26 |
JP4132654B2 (ja) | 2008-08-13 |
TWI221576B (en) | 2004-10-01 |
US20020075272A1 (en) | 2002-06-20 |
KR20080036565A (ko) | 2008-04-28 |
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