KR20070030129A - 자발광형 표시 장치 - Google Patents
자발광형 표시 장치 Download PDFInfo
- Publication number
- KR20070030129A KR20070030129A KR1020060086038A KR20060086038A KR20070030129A KR 20070030129 A KR20070030129 A KR 20070030129A KR 1020060086038 A KR1020060086038 A KR 1020060086038A KR 20060086038 A KR20060086038 A KR 20060086038A KR 20070030129 A KR20070030129 A KR 20070030129A
- Authority
- KR
- South Korea
- Prior art keywords
- video signal
- polarity
- digital video
- circuit
- converter
- Prior art date
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
Abstract
Description
Claims (7)
- 제1 극성의 디지털 비디오 신호를 받은 경우에는, 상기 제1 극성의 디지털 비디오 신호를 반전하지 않고 출력하고, 제1 극성과 역극성의 제2 극성의 디지털 비디오 신호를 받은 경우에는, 상기 제2 극성의 디지털 비디오 신호를 반전하여 출력하도록 절환하는 제1 극성 절환 회로와,상기 제1 극성 절환 회로의 출력을 D/A 변환하여 아날로그 비디오 신호를 출력하는 제1 D/A 변환기와, 자발광 소자를 구비하고,상기 아날로그 비디오 신호에 따라 상기 자발광 소자에 구동 전류를 공급함으로써 상기 자발광 소자를 발광시키는 것을 특징으로 하는 자발광형 표시 장치.
- 제1항에 있어서,상기 구동 전류를 공급하는 구동 트랜지스터를 구비하는 것을 특징으로 하는 자발광형 표시 장치.
- 제1항 또는 제2항에 있어서,상기 제1 D/A 변환기에 이용되는 고전위측의 레퍼런스 전위를 발생하는 제2 D/A 변환기와, 상기 제1 D/A 변환기에 이용되는 저전위측의 레퍼런스 전위를 발생하는 제3 D/A 변환기와,제1 극성의 디지털 비디오 신호를 받은 경우에는, 제1 극성의 디지털 비디오 신호의 고전위측의 레퍼런스 데이터를 상기 제2 D/A 변환기에 입력하고, 제1 극성의 디지털 비디오 신호의 저전위측의 레퍼런스 데이터를 상기 제3 D/A 변환기에 입력하고, 제2 극성의 디지털 비디오 신호를 받은 경우에는, 제2 극성의 디지털 비디오 신호의 고전위측의 레퍼런스 데이터를 반전하여 상기 제3 D/A 변환기에 입력하고, 제2 극성의 디지털 비디오 신호의 저전위측의 레퍼런스 데이터를 반전하여 상기 제2 D/A 변환기에 입력하도록 절환하는 제2 극성 절환 회로를 구비하는 것을 특징으로 하는 자발광형 표시 장치.
- 제3항에 있어서,상기 제1 및 제2 극성의 디지털 비디오 신호는, 색 보정 회로, 콘트라스트/브라이트니스 조정 회로 및 감마 보정 회로에 의해 신호 처리된 디지털 비디오 신호인 것을 특징으로 하는 자발광형 표시 장치.
- 제3항에 있어서,상기 감마 보정 회로에 의해 신호 처리된 상기 제1 및 제2 극성의 디지털 비디오 신호에 기초하여, 백 레벨을 조정하기 위한 상기 레퍼런스 데이터를 출력하는 ACL 회로를 구비하는 것을 특징으로 하는 자발광형 표시 장치.
- 제4항에 있어서,상기 색 보정 회로는 흑 레벨을 조정하기 위한 상기 레퍼런스 데이터를 출력 하는 것을 특징으로 하는 자발광형 표시 장치.
- 제1항 또는 제2항에 있어서,상기 자발광 소자는 유기 일렉트로루미네센스 소자인 것을 특징으로 하는 자발광형 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00263298 | 2005-09-12 | ||
JP2005263298A JP4999301B2 (ja) | 2005-09-12 | 2005-09-12 | 自発光型表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070030129A true KR20070030129A (ko) | 2007-03-15 |
KR100754671B1 KR100754671B1 (ko) | 2007-09-03 |
Family
ID=37854533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020060086038A KR100754671B1 (ko) | 2005-09-12 | 2006-09-07 | 자발광형 표시 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7948452B2 (ko) |
JP (1) | JP4999301B2 (ko) |
KR (1) | KR100754671B1 (ko) |
CN (1) | CN100454374C (ko) |
TW (1) | TWI351014B (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080252572A1 (en) * | 2007-04-10 | 2008-10-16 | Kinyeng Kang | Organic electroluminescent display and image correction method thereof |
JP2010107763A (ja) * | 2008-10-30 | 2010-05-13 | Toshiba Mobile Display Co Ltd | El表示装置 |
JP6158588B2 (ja) * | 2012-05-31 | 2017-07-05 | 株式会社半導体エネルギー研究所 | 発光装置 |
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US5706036A (en) * | 1994-10-21 | 1998-01-06 | Motorola, Inc. | Method and apparatus for providing a video synchronising signal of a predetermined polarity |
JPH0981090A (ja) * | 1995-09-19 | 1997-03-28 | Seiko Epson Corp | 液晶駆動回路 |
EP0852372B1 (en) * | 1996-06-20 | 2004-09-08 | Seiko Epson Corporation | Image display apparatus |
JPH1074066A (ja) * | 1996-08-30 | 1998-03-17 | Seiko Epson Corp | ガンマ補正回路及びそれを用いた画像表示装置 |
JPH1173160A (ja) * | 1997-06-24 | 1999-03-16 | Tdk Corp | 有機elディスプレイの駆動装置 |
US6304241B1 (en) * | 1998-06-03 | 2001-10-16 | Fujitsu Limited | Driver for a liquid-crystal display panel |
JP2000122610A (ja) | 1998-10-19 | 2000-04-28 | Denso Corp | 負荷駆動装置およびel素子の駆動装置 |
KR100344186B1 (ko) * | 1999-08-05 | 2002-07-19 | 주식회사 네오텍리서치 | 액정표시장치의 소오스 구동회로 및 그 구동방법 |
US6414661B1 (en) * | 2000-02-22 | 2002-07-02 | Sarnoff Corporation | Method and apparatus for calibrating display devices and automatically compensating for loss in their efficiency over time |
JP3696116B2 (ja) * | 2000-04-18 | 2005-09-14 | 株式会社半導体エネルギー研究所 | 発光装置 |
JP3730886B2 (ja) * | 2001-07-06 | 2006-01-05 | 日本電気株式会社 | 駆動回路及び液晶表示装置 |
KR100577993B1 (ko) * | 2001-08-20 | 2006-05-11 | 엘지전자 주식회사 | 일렉트로 루미네센스 표시소자의 구동장치 |
JP3656580B2 (ja) * | 2001-08-29 | 2005-06-08 | 日本電気株式会社 | 発光素子駆動回路及びそれを用いた発光表示装置 |
JP4027103B2 (ja) | 2002-01-31 | 2007-12-26 | 三洋電機株式会社 | デジタル駆動型表示装置 |
JP4284494B2 (ja) * | 2002-12-26 | 2009-06-24 | カシオ計算機株式会社 | 表示装置及びその駆動制御方法 |
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KR100490625B1 (ko) * | 2003-02-20 | 2005-05-17 | 삼성에스디아이 주식회사 | 화상 표시 장치 |
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JP4001856B2 (ja) * | 2003-10-30 | 2007-10-31 | ローム株式会社 | 発光素子駆動装置、発光素子駆動装置を有する表示モジュール及び、表示モジュールを備えた電子機器 |
JP2005202159A (ja) * | 2004-01-15 | 2005-07-28 | Seiko Epson Corp | 電気光学装置、その駆動回路、その駆動方法および電子機器 |
KR100590064B1 (ko) * | 2004-07-21 | 2006-06-14 | 삼성에스디아이 주식회사 | 발광표시 장치 및 그 구동 방법 |
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2005
- 2005-09-12 JP JP2005263298A patent/JP4999301B2/ja active Active
-
2006
- 2006-08-17 TW TW095130223A patent/TWI351014B/zh active
- 2006-09-07 KR KR1020060086038A patent/KR100754671B1/ko active IP Right Grant
- 2006-09-07 US US11/516,732 patent/US7948452B2/en active Active
- 2006-09-12 CN CNB2006101514915A patent/CN100454374C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
TWI351014B (en) | 2011-10-21 |
KR100754671B1 (ko) | 2007-09-03 |
CN100454374C (zh) | 2009-01-21 |
JP4999301B2 (ja) | 2012-08-15 |
JP2007078772A (ja) | 2007-03-29 |
TW200710811A (en) | 2007-03-16 |
US20070057878A1 (en) | 2007-03-15 |
CN1941049A (zh) | 2007-04-04 |
US7948452B2 (en) | 2011-05-24 |
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