KR102450611B1 - 타일드 디스플레이와 그 광학 보상 방법 - Google Patents
타일드 디스플레이와 그 광학 보상 방법 Download PDFInfo
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Abstract
Description
도 2는 도 1에 도시된 표시패널과, 표시패널 구동부를 보여 주는 블록도이다.
도 3은 픽셀 회로에 연결된 외부 보상 회로를 보여 주는 회로도이다.
도 4 및 도 5는 타일드 디스플레이의 후면을 보여 주는 도면들이다.
도 6은 타일드 디스플레이의 백색 색편차를 보여 주는 도면이다.
도 7은 타일드 디스플레이의 화면에 적색 이미지를 표시할 때 표시패널들 간의 적색 색좌표 편차를 보여 주는 도면이다.
도 8 및 도 9는 본 발명의 제1 실시예에 따른 광학 보상 방법을 보여 주는 도면들이다.
도 10 및 도 11은 본 발명의 제2 실시예에 따른 광학 보상 방법을 보여 주는 도면들이다.
도 12는 표시패널의 화면 내에서 적색 색좌표 편차가 있는 예를 보여 주는 도면이다.
표패널의 최대 RGB 색좌표 (DCI 수준) |
타겟 RGB 색좌표 (BT709 수준) |
||
Wx | 0.300 | W'x | 0.285 |
Wy | 0.326 | W'y | 0.294 |
Rx | 0.680 | R'x | 0.640 |
Ry | 0.320 | R'y | 0.330 |
Gx | 0.265 | G'x | 0.300 |
Gy | 0.690 | G'y | 0.600 |
Bx | 0.140 | B'x | 0.150 |
By | 0.050 | B'y | 0.060 |
42, 46 : 케이블 44 : 콘트롤 보드
48 : 인터페이스 보드 110 : 데이터 구동부
120 : 게이트 구동부 130 : 타이밍 콘트롤러
111 : 센싱부 131 : 제1 보상부
132 : 제2 보상부
Claims (14)
- 둘 이상의 표시패널들; 및
상기 표시패널들 각각의 색좌표에서 정의된 색역 보다 작은 색역을 갖는 타겟 색좌표로 상기 표시패널들에 표시될 순색 데이터의 색좌표를 변환하고, 상기 순색 데이터를 서로 색이 다른 두 색 이상의 데이터 조합으로 변환하는 색좌표 보상부를 포함하고,
상기 타겟 색좌표는 상기 표시패널들 각각의 최대 RGB 색좌표 중에서 가장 작은 색좌표 보다 더 작은 색좌표로 선택되고,
상기 색좌표 보상부는,
제1 순색 + 제2 순색, 제1 순색 + 제3 순색, 제1 순색 + 백색, 제1 순색 + 제2 순색 + 제3 순색, 제1 순색 + 제2 순색 + 백색, 제1 순색 + 제3 순색 + 백색 중 어느 하나의 컬러 조합으로 상기 제1 순색의 데이터를 변환하고,
상기 제1 순색의 휘도를 100%라 할 때 상기 컬러 조합 중 제1 순색의 휘도 비율이 50%를 초과하는 타일드 디스플레이. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 제1 순색은 적색, 녹색 및 청색 중 어느 하나이고,
상기 제2 순색은 상기 적색, 상기 녹색 및 상기 청색 중 상기 제1 순색을 제외한 나머지 두 색 중 어느 하나이고,
상기 제3 순색이 상기 적색, 상기 녹색 및 상기 청색 중 상기 제1 순색과 상기 제2 순색을 제외한 나머지 한 색인 타일드 디스플레이. - 제 1 항에 있어서,
상기 표시패널들을 각각 구동하는 다수의 표시패널 구동부들을 구비하고,
상기 색좌표 보상부는 상기 표시패널 구동부들 각각에 연결되거나 다수의 표시패널 구동부에 공통으로 연결되는 타일드 디스플레이. - 제 1 항에 있어서,
상기 순색 데이터가 표시패널 내의 일부 영역에 표시될 데이터인 타일드 디스플레이. - 제 7 항에 있어서,
상기 일부 영역이 상기 표시패널의 외곽 픽셀 영역을 포함하는 타일드 디스플레이. - 표시패널들 각각의 색좌표에서 정의된 색역 보다 작은 색역을 갖는 타겟 색좌표로 상기 표시패널들에 표시될 순색 데이터의 색좌표를 변환하는 단계; 및
상기 순색 데이터를 서로 색이 다른 두 색 이상의 데이터 조합으로 변환하는 단계를 포함하고,
상기 타겟 색좌표는 상기 표시패널들 각각의 최대 RGB 색좌표 중에서 가장 작은 색좌표 보다 더 작은 색좌표로 선택되고,
제1 순색의 데이터가,
제1 순색 + 제2 순색, 제1 순색 + 제3 순색, 제1 순색 + 백색, 제1 순색 + 제2 순색 + 제3 순색, 제1 순색 + 제2 순색 + 백색, 제1 순색 + 제3 순색 + 백색 중 어느 하나의 컬러 조합으로 변환되고,
상기 제1 순색의 휘도를 100%라 할 때 상기 컬러 조합 중 상기 제1 순색의 휘도 비율이 50%를 초과하는 타일드 디스플레이의 광학 보상 방법. - 삭제
- 삭제
- 제 9 항에 있어서,
상기 순색 데이터가 표시패널 내의 일부 영역에 표시될 데이터인 타일드 디스플레이의 광학 보상 방법. - 제 12 항에 있어서,
상기 일부 영역이 상기 표시패널의 외곽 픽셀 영역을 포함하는 타일드 디스플레이의 광학 보상 방법. - 제 1 항에 있어서,
상기 표시패널들 각각의 서브 픽셀들에 배치된 유기 발광 다이오드(OLED)와, 상기 유기 발광 다이오드를 구동하는 구동 소자의 문턱 전압과 이동도를 보상하는 픽셀 보상부를 더 포함하는 타일드 디스플레이.
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