KR20050029101A - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
- Publication number
- KR20050029101A KR20050029101A KR1020040013061A KR20040013061A KR20050029101A KR 20050029101 A KR20050029101 A KR 20050029101A KR 1020040013061 A KR1020040013061 A KR 1020040013061A KR 20040013061 A KR20040013061 A KR 20040013061A KR 20050029101 A KR20050029101 A KR 20050029101A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- data
- backlight
- display device
- crystal display
- Prior art date
Links
Classifications
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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
- G09G3/3406—Control of illumination source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/58—Contacts spaced along longitudinal axis of engagement
-
- 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
- G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals
-
- 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
- G09G2310/0235—Field-sequential colour display
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- 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
- G09G3/3614—Control of polarity reversal in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
Landscapes
- 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)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (9)
- 소정 기간마다 액정 패널에 입사(入射)되는 광을 출사(出射)하는 광원(光源)의 점등(點燈) 제어와 상기 액정 패널에 대한 표시해야 할 화상 데이터에 의거한 데이터 주사를 동기(同期)시키는 액정 표시 장치에 있어서,상기 소정 기간 내에서의 전반(前半)의 1회 또는 복수회의 데이터 주사와, 후반(後半)의 1회 또는 복수회의 데이터 주사 각각에서의 최초 주사 시의 대응하는 타이밍 사이에서 상기 광원을 점등시키도록 한 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 대응하는 타이밍은 각각의 최초 주사의 대략 중간 시점인 것을 특징으로 하는 액정 표시 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 전반의 1회 또는 복수회의 데이터 주사와 상기 후반의 1회 또는 복수회의 데이터 주사에서는, 상기 액정 패널로의 인가 전압 크기가 동일하고 극성(極性)이 상이한 것을 특징으로 하는 액정 표시 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 전반의 1회 또는 복수회의 데이터 주사에 비하여, 상기 후반의 1회 또는 복수회의 데이터 주사에 의해 어두운 표시를 얻도록 한 것을 특징으로 하는 액정 표시 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 광원의 휘도(輝度) 분포가 데이터 주사 방향으로 불균일한 것을 특징으로 하는 액정 표시 장치.
- 제 5 항에 있어서,상기 광원의 휘도가 데이터 주사 방향의 중앙에서 가장 낮고, 상기 주사 방향의 중앙으로부터 상류 및 하류로 향함에 따라 높아지고 있는 것을 특징으로 하는 액정 표시 장치.
- 제 5 항에 있어서,상기 광원의 휘도가 데이터 주사 방향의 중앙에서 가장 낮고, 상기 주사 방향의 중앙으로부터 상류 및 하류로 향함에 따라 높아지고 있으며, 하류 측에서 상류 측에 비하여 더 높아지고 있는 것을 특징으로 하는 액정 표시 장치.
- 소정 기간마다 액정 패널에 입사되는 광을 출사하는 광원의 점등 제어와 상기 액정 패널에 대한 표시해야 할 화상 데이터에 의거한 데이터 주사를 동기시키는 액정 표시 장치에 있어서,상기 소정 기간 내에서의 전반의 1회 또는 복수회의 데이터 주사와 후반의 1회 또는 복수회의 데이터 주사 각각에서의 최초 주사 시의 대응하는 타이밍 사이에서 상기 광원을 점등시키는 제 1 방식과, 상기 소정 기간 내에서의 전반의 1회 또는 복수회의 데이터 주사의 최초 주사의 개시 타이밍과 후반의 1회 또는 복수회의 데이터 주사의 최초 주사의 종료 타이밍 사이에서 상기 광원을 점등시키는 제 2 방식을 전환하도록 한 것을 특징으로 하는 액정 표시 장치.
- 제 1 항, 제 2 항, 제 8 항 중 어느 한 항에 있어서,상기 액정 패널에 사용하는 액정 재료는 자발(自發) 분극(分極)을 갖는 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00328667 | 2003-09-19 | ||
JP2003328667A JP4530632B2 (ja) | 2003-09-19 | 2003-09-19 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050029101A true KR20050029101A (ko) | 2005-03-24 |
KR101017311B1 KR101017311B1 (ko) | 2011-02-28 |
Family
ID=34308828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040013061A KR101017311B1 (ko) | 2003-09-19 | 2004-02-26 | 액정 표시 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050062708A1 (ko) |
JP (1) | JP4530632B2 (ko) |
KR (1) | KR101017311B1 (ko) |
CN (2) | CN100376933C (ko) |
TW (1) | TWI298108B (ko) |
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JP4045097B2 (ja) * | 2001-12-28 | 2008-02-13 | シャープ株式会社 | バックライト装置及びこれを用いた液晶表示装置 |
KR100841616B1 (ko) * | 2001-12-31 | 2008-06-27 | 엘지디스플레이 주식회사 | 액정 패널의 구동장치 |
US6724174B1 (en) * | 2002-09-12 | 2004-04-20 | Linear Technology Corp. | Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators |
-
2003
- 2003-09-19 JP JP2003328667A patent/JP4530632B2/ja not_active Expired - Fee Related
-
2004
- 2004-02-18 TW TW093103957A patent/TWI298108B/zh not_active IP Right Cessation
- 2004-02-20 US US10/783,440 patent/US20050062708A1/en not_active Abandoned
- 2004-02-26 KR KR1020040013061A patent/KR101017311B1/ko active IP Right Grant
- 2004-02-27 CN CNB2004100072735A patent/CN100376933C/zh not_active Expired - Fee Related
- 2004-02-27 CN CNA2008100812140A patent/CN101308268A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20050062708A1 (en) | 2005-03-24 |
TWI298108B (en) | 2008-06-21 |
JP4530632B2 (ja) | 2010-08-25 |
KR101017311B1 (ko) | 2011-02-28 |
TW200512506A (en) | 2005-04-01 |
CN100376933C (zh) | 2008-03-26 |
JP2005092113A (ja) | 2005-04-07 |
CN1598650A (zh) | 2005-03-23 |
CN101308268A (zh) | 2008-11-19 |
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