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1. KR1020050034637 - VOLTAGE GENERATING CIRCUIT

官庁 大韓民国
出願番号 1020047010727
出願日 09.07.2004
公開番号 1020050034637
公開日 14.04.2005
公報種別 A
IPC
G09G 3/20
G物理学
09教育;暗号方法;表示;広告;シール
G静的手段を用いて可変情報を表示する表示装置の制御のための装置または回路
3陰極線管以外の可視的表示器にのみ関連した,制御装置または回路
20マトリックス状に配置された個々の要素の組み合わせによりその集合を構成することによって多数の文字の集合,例.1頁,を表示するためのもの
G02F 1/133
G物理学
02光学
F光の強度,色,位相,偏光または方向の制御,例.スイッチング,ゲーテイング,変調または復調のための装置または配置の媒体の光学的性質の変化により,光学的作用が変化する装置または配置;そのための技法または手順;周波数変換;非線形光学;光学的論理素子;光学的アナログ/デジタル変換器
1独立の光源から到達する光の強度,色,位相,偏光または方向の制御のための装置または配置,例.スィッチング,ゲーテイングまたは変調;非線形光学
01強度,位相,偏光または色の制御のためのもの
13液晶に基づいたもの,例.単一の液晶表示セル
133構造配置;液晶セルの作動;回路配置
G09G 3/36
G物理学
09教育;暗号方法;表示;広告;シール
G静的手段を用いて可変情報を表示する表示装置の制御のための装置または回路
3陰極線管以外の可視的表示器にのみ関連した,制御装置または回路
20マトリックス状に配置された個々の要素の組み合わせによりその集合を構成することによって多数の文字の集合,例.1頁,を表示するためのもの
34独立の光源よりの光の制御によるもの
36液晶を用いるもの
CPC
G09G 5/008
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
5Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
003Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
006Details of the interface to the display terminal
008Clock recovery
G09G 3/3648
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for 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
34by control of light from an independent source
36using liquid crystals
3611Control of matrices with row and column drivers
3648using an active matrix
G09G 3/3696
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for 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
34by control of light from an independent source
36using liquid crystals
3611Control of matrices with row and column drivers
3696Generation of voltages supplied to electrode drivers
G09G2330/021
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2330Aspects of power supply; Aspects of display protection and defect management
02Details of power systems and of start or stop of display operation
021Power management, e.g. power saving
出願人 TOSHIBA MATSUSHITA DISPLAY TECHNOLOGY CO., LTD.
도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드
発明者 AOTA SHINICHI
아오따 신이찌
TSUKADA TAKASHI
쯔까다 다까시
MINE HIDEKI
미네 히데끼
代理人 장수길
이중희
구영창
優先権情報 JP-P-2002-00314860 29.10.2002 JP
発明の名称
(EN) VOLTAGE GENERATING CIRCUIT
(KO) 전압 생성 회로
要約
(EN)

The power consumption must be reduced in liquid crystal display devices. A drive voltage generating circuit (201) comprises a clock signal frequency-divider circuit (204) that performs, with respect to clock signals, such a signal processing that does not divide the frequency of externally inputted clock signals (SG22) during a display interval (T13) in which to perform a basic display for normally displaying radio wave reception condition of a mobile telephone and the like on a liquid crystal display panel but does divide that frequency, based on a predetermined criterion, during intervals other than the display interval (T13); and a booster circuit (202,203) uses the clock signals (SG13), the frequency of which has been divided by the clock signal frequency-divider circuit (204), to generate a predetermined voltage for performing that basic display.

© KIPO & WIPO 2007

(KO)
본 발명은, 액정 표시 장치에서의 소비 전력을 보다 저감할 필요가 있어, 외부로부터 입력되는 클럭 신호 SG의 주파수를 액정 표시 패널에 휴대 전화의 전파 수신 상황 등을 항상 표시하기 위한 기본 표시를 행하기 위한 표시 기간 T에서는 분주하지 않고, 표시 기간 T 이외의 기간 동안에는 미리 정해진 기준에 기초하여 분주하는 신호 처리를 클럭 신호에 대하여 행하는 클럭 신호 분주 회로(204)와, 클럭 신호 분주 회로(204)에 의해 주파수가 분주된 클럭 신호 SG을 이용하여, 액정 표시 패널에 휴대 전화의 전파 수신 상황 등을 항상 표시하기 위한 기본 표시를 행하기 위한 소정의 전압을 생성하는 승압 회로(202, 203)를 구비한 구동 전압 생성 회로(201)를 포함한다. 22 13 13 13