KR100861276B1 - 액정표시장치 - Google Patents
액정표시장치 Download PDFInfo
- Publication number
- KR100861276B1 KR100861276B1 KR1020010085327A KR20010085327A KR100861276B1 KR 100861276 B1 KR100861276 B1 KR 100861276B1 KR 1020010085327 A KR1020010085327 A KR 1020010085327A KR 20010085327 A KR20010085327 A KR 20010085327A KR 100861276 B1 KR100861276 B1 KR 100861276B1
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- voltage
- backlight unit
- driving
- crystal display
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- 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
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- 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
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (4)
- 액정패널에 광을 조사하기 위한 백라이트 유닛과,상기 백라이트 유닛의 방전시 발생되는 누설전류를 전압으로 변환하는 전원변환부와,상기 전원변환부로부터 공급되는 전압을 이용하여 상기 액정패널의 구동전압을 발생하는 전원부를 구비하는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 전원부는 상기 백라이트 유닛을 구동하기 위한 램프 구동전압을 더 생성하는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 백라이트 유닛과 상기 전원부 사이에 설치되어 상기 백라이트 유닛을 구동하기 위한 구동전압을 생성하는 인버터회로를 추가로 구비하는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 전원변환부는 상기 누설전류의 성분 중 고압의 교류전압을 직류전압으로 변환시키는 평활회로인 것을 특징으로 하는 액정표시장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010085327A KR100861276B1 (ko) | 2001-12-26 | 2001-12-26 | 액정표시장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010085327A KR100861276B1 (ko) | 2001-12-26 | 2001-12-26 | 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030054894A KR20030054894A (ko) | 2003-07-02 |
KR100861276B1 true KR100861276B1 (ko) | 2008-10-01 |
Family
ID=32213612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010085327A KR100861276B1 (ko) | 2001-12-26 | 2001-12-26 | 액정표시장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100861276B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101317465B1 (ko) * | 2006-04-10 | 2013-10-10 | 엘지디스플레이 주식회사 | 필드 시퀀셜 컬러 액정표시장치 및 그 구동방법 |
KR101318081B1 (ko) * | 2006-11-21 | 2013-10-14 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08166575A (ja) * | 1994-12-14 | 1996-06-25 | Hitachi Ltd | 液晶表示装置 |
JPH08248394A (ja) * | 1995-03-06 | 1996-09-27 | Casio Comput Co Ltd | 液晶表示装置 |
JP2000330091A (ja) * | 1999-05-21 | 2000-11-30 | Matsushita Electric Ind Co Ltd | 液晶表示装置およびその駆動方法 |
-
2001
- 2001-12-26 KR KR1020010085327A patent/KR100861276B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08166575A (ja) * | 1994-12-14 | 1996-06-25 | Hitachi Ltd | 液晶表示装置 |
JPH08248394A (ja) * | 1995-03-06 | 1996-09-27 | Casio Comput Co Ltd | 液晶表示装置 |
JP2000330091A (ja) * | 1999-05-21 | 2000-11-30 | Matsushita Electric Ind Co Ltd | 液晶表示装置およびその駆動方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20030054894A (ko) | 2003-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4762431B2 (ja) | 液晶表示装置及びこれの駆動方法 | |
US8654112B2 (en) | Liquid crystal display device with dynamically switching driving method to reduce power consumption | |
KR101281926B1 (ko) | 액정표시장치 | |
US7158130B2 (en) | Method and apparatus for preventing residual image in liquid crystal display | |
JP4633669B2 (ja) | 液晶表示装置及びその駆動方法 | |
KR20070122317A (ko) | 액정 모듈, 액정 모듈의 구동 방법 및 액정표시장치 | |
US10283065B2 (en) | Display device and driving method thereof | |
KR100861276B1 (ko) | 액정표시장치 | |
KR101451572B1 (ko) | 액정 표시 장치 및 그 구동방법 | |
KR100623713B1 (ko) | 액정 표시 장치 및 그의 구동방법 | |
KR101216172B1 (ko) | 액정 표시 장치 | |
KR101272176B1 (ko) | 액정표시장치 | |
CN106875903B (zh) | 显示装置及其驱动方法 | |
KR101245924B1 (ko) | 액정표시장치 | |
JP4513289B2 (ja) | 電気光学装置、電子機器、及び電気光学装置の電源制御方法 | |
KR101101790B1 (ko) | 백라이트 구동 방법 | |
KR20080004851A (ko) | 액정 표시 장치 | |
KR100998119B1 (ko) | 액정표시장치 | |
KR100886234B1 (ko) | 액정표시장치 | |
KR20070115537A (ko) | 액정표시장치 및 그의 구동 방법 | |
KR101002325B1 (ko) | 액정표시장치 | |
KR20060019791A (ko) | 전원안정화회로 및 이를 이용한 액정표시장치 | |
KR101030542B1 (ko) | 액정표시장치의 전원공급장치 및 이의 전원공급방법 | |
KR101352936B1 (ko) | 액정 표시 장치 | |
KR20080080813A (ko) | 액정표시장치 및 그의 구동 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
AMND | Amendment | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
B701 | Decision to grant | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130619 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20140630 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20150818 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20160816 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20170816 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20180816 Year of fee payment: 11 |