KR101073044B1 - 2차원 서브픽셀 레이아웃을 갖는 디스플레이 패널을 위한 영상 색 균형 처리 방법 - Google Patents
2차원 서브픽셀 레이아웃을 갖는 디스플레이 패널을 위한 영상 색 균형 처리 방법 Download PDFInfo
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Abstract
Description
Claims (10)
- 입력 영상을 나타내며 제1 데이터 포맷으로 지정된 색 데이터 값들의 행과 열로 배치된 소스 영상 데이터를 수신하는 소스 영상 수신 유닛;타일 형태로 배치되며 적어도 2개 이상의 주요 색 서브픽셀들의 적어도 2개 이상의 행들 및 적어도 2개 이상의 열들을 포함하는 복수 개의 서브픽셀 반복 그룹을 실질적으로 포함하며, 상기 서브픽셀 반복그룹 내에서 상기 주요 색들의 배치는 제2 데이터 포맷을 정의하는 표시 패널;상기 제1 데이터 포맷의 상기 소스 영상 데이터 및 제1 서브픽셀 렌더링 영상 필터를 이용하여 상기 표시 패널 상의 상기 제2 데이터 포맷의 각 서브픽셀에 대한 휘도 값을 계산하고, 위치 신호가 상기 서브픽셀 렌더링 회로에 의해 처리된 상기 서브픽셀이 상기 표시 패널의 타겟 행 및 열 위치 중 하나에 위치함을 나타낼 때 상기 서브픽셀에 대한 상기 휘도 값을 계산하기 위해 상기 제1 서브 픽셀 렌더링 영상 필터를 대체하여 제2 서브픽셀 렌더링 영상 필터를 이용하는 서브픽셀 렌더링 회로;상기 위치 신호를 생성하고, 상기 서브픽셀 렌더링 회로에 의해 처리된 서브픽셀이 상기 표시 패널의 상기 타겟 행 및 열 위치 중 하나에 위치하는지 검출하는 서브픽셀 위치 검출 회로; 및출력 영상을 제공하기 위해 상기 표시 패널 상의 상기 서브픽셀들에 휘도 값들을 나타내는 신호들을 전송하는 구동부 회로를 포함하는 표시 시스템.
- 제1항에 있어서, 상기 표시 패널은 실질적으로 복수 개의 서브픽셀 반복 그룹을 포함하고, 상기 서브픽셀 반복 그룹 각각은 적어도 하나 이상의 백색 서브픽셀을 포함하는 것을 특징으로 하는 표시 시스템.
- 제1항에 있어서, 상기 제1 서브픽셀렌더링 영상 필터는 상기 표시 패널의 가장자리에서 색채 앨리어싱(chromatic aliasing)이 가능한 것을 특징으로 하는 표시 시스템.
- 제1항에 있어서, 상기 제1 서브픽셀렌더링 영상 필터는 메타머 휘도 선명화 필터(meta-luma sharpening filter)를 포함하는 것을 특징으로 하는 표시 시스템.
- 제1항에 있어서, 상기 서브픽셀 렌더링 회로는 모드 생성기를 더 포함하고, 상기 모드 생성기는 표시 렌더링 상태가 가장자리의 열에 해당하는지를 지시하는 열 검출 신호를 받아 서브픽셀 렌더링 영상 필터의 선택을 위한 신호를 생성하는 것을 특징으로 하는 표시 시스템.
- 영상 데이터의 서브픽셀 렌더링을 채용한 표시 시스템에서, 표시되는 영상의 가장자리의 색채 앨리어싱을 방지하는 방법에 있어서,소스 영상 데이터를 수신하는 단계;제1 영상 필터를 이용하여 각 픽셀 별로 상기 소스 영상 데이터를 중간 영상 데이터로 서브픽셀 렌더링하는 단계;서브픽셀 렌더링되는 현재 픽셀 데이터에 대해 표시 장치의 가장자리 상태에 해당하는지를 검출하는 단계; 및상기 현재 픽셀 데이터를 서브픽셀 렌더링하기 위한 제2 영상 필터를 선택하는 단계를 포함하는 것을 특징으로 하는 색채 앨리어싱 방지 방법.
- 제7항에 있어서, 상기 서브픽셀 렌더링하는 단계는, 메타머 휘도 선명화 필터(meta-luma sharpening filter)를 이용하여 소스 영상 데이터를 렌더링하는 단계를 더 포함하는 것을 특징으로 하는 색채 앨리어싱 방지 방법.
- 제7항에 있어서, 상기 제2 영상 필터를 선택하는 단계는, 상기 표시 장치의 가장자리에서 상기 제1 영상 필터보다 실질적으로 적은 색채 앨리어싱을 발생시키는 제2 영상 필터를 더 포함하는 것을 특징으로 하는 색채 앨리어싱 방지 방법.
- 제7항에 있어서, 상기 가장자리 상태에 해당하는지를 검출하는 단계는, 서브픽셀 렌더링되는 상기 현재 픽셀 데이터에 대한 열 카운트를 유지하는 단계를 더 포함하는 것을 특징으로 하는 색채 앨리어싱 방지 방법.
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US93898907P | 2007-05-18 | 2007-05-18 | |
US60/938,989 | 2007-05-18 |
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KR20090122307A KR20090122307A (ko) | 2009-11-26 |
KR101073044B1 true KR101073044B1 (ko) | 2011-10-12 |
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US (1) | US8456483B2 (ko) |
EP (1) | EP2147426B1 (ko) |
JP (1) | JP5256283B2 (ko) |
KR (1) | KR101073044B1 (ko) |
CN (1) | CN101681613B (ko) |
TW (1) | TWI424752B (ko) |
WO (1) | WO2008144180A1 (ko) |
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TWI424752B (zh) | 2014-01-21 |
JP2010526350A (ja) | 2010-07-29 |
US20100149204A1 (en) | 2010-06-17 |
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US8456483B2 (en) | 2013-06-04 |
CN101681613A (zh) | 2010-03-24 |
JP5256283B2 (ja) | 2013-08-07 |
EP2147426A4 (en) | 2011-03-09 |
EP2147426A1 (en) | 2010-01-27 |
TW200904205A (en) | 2009-01-16 |
KR20090122307A (ko) | 2009-11-26 |
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CN101681613B (zh) | 2013-04-10 |
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