KR101346728B1 - 자발광 표시장치, 발광 조건 제어장치, 발광 조건 제어방법및 프로그램 - Google Patents
자발광 표시장치, 발광 조건 제어장치, 발광 조건 제어방법및 프로그램 Download PDFInfo
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Abstract
Description
Claims (13)
- 표시 패널의 피크 휘도를 1 프레임 단위로 가변적으로 제어하는 자발광(自發光) 표시장치에 있어서,1 프레임마다 영상 신호의 평균 계조치를 프레임 단위로 산출하는 평균 계조치 산출부와,가장 인접한 복수 프레임에 있어서 각 평균 계조치의 합을 프레임 수만큼 삭제하고 얻어진 구간 평균치와 현재 프레임의 평균 계조치와의 차분의 절대치를 구간 평균치로 삭제하여 얻어진 변화율을 축차 산출하고, 산출된 변화율이 사전에 설정한 소정의 임계치 보다 작은 경우에, 물리적인 피크 휘도의 저하가 시각적으로 지각되기 어려운 특정 조건을 만족시키는 프레임이 출현하게 되는 경우에, 상기 프레임의 출현을 검출하는 특정 조건 검출부와,상기 특정 조건을 만족시키는 프레임의 검출 후에, 그 검출 상태가 해제될 때까지, 사전에 설정한 저하 조건을 만족시키도록, 표시 패널의 피크 휘도를 프레임 단위로 저하 제어하는 발광 조건 제어부를 가지는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 발광 조건 제어부는, 1 프레임 기간내에 있어서의 표시 패널의 발광 시간을 저하 제어하는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 발광 조건 제어부는, 화상 데이터값에 따라 발광 소자에 인가될 수 있 는 전압치 또는 전류치의 최대치를 프레임 단위로 저하 제어하는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 저하 조건은,1시간에 최대 피크치의 95% 이하로 피크 휘도를 저하시키는 속도 이상이며,또한 30초에 최대 피크치의 50%까지 피크 휘도를 저하시키는 속도 이하를 만족시키는 범위가 되는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 저하 조건은,30분에 최대 피크치의 92% 이하로 피크 휘도를 저하시키는 속도 이상이며, 또한 45초에 최대 피크치의 65%까지 피크 휘도를 저하시키는 속도 이하를 만족시키는 범위가 되는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 저하 조건은,3분에 최대 피크치의 90% 이하로 피크 휘도를 저하시키는 속도 이상이며, 또한 1분에 최대 피크치의 75%까지 피크 휘도를 저하시키는 속도 이하를 만족시키는 범위가 되는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 저하 조건의 상한치는,30초에 최대 피크치의 50%까지 피크 휘도를 저하시키는 속도로 주어지는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 저하 조건의 상한치는,30초에 최대 피크치의 12.5%까지 피크 휘도를 저하시키는 속도로 주어지는 것을 특징으로 하는 자발광 표시장치.
- 제 1항에 있어서,상기 저하 조건은,1분간에 피크 휘도를 최대 피크치의 10% 만큼 저하시키는 동안에, 3초 이내에 피크 휘도를 최대 피크치의 5% 만큼을 저하시키는 기간을 설치하는 것을 허용하는 것을 특징으로 하는 자발광 표시장치.
- 표시 패널의 피크 휘도를 1 프레임 단위로 제어하는 발광 조건 제어장치에 있어서,1 프레임마다 영상 신호의 평균 계조치를 프레임 단위로 산출하는 평균 계조치 산출부와,가장 인접한 복수 프레임에 있어서 각 평균 계조치의 합을 프레임 수만큼 삭제하고 얻어진 구간 평균치와 현재 프레임의 평균 계조치와의 차분의 절대치를 구간 평균치로 삭제하여 얻어진 변화율을 축차 산출하고, 산출된 변화율이 사전에 설정한 소정의 임계치 보다 작은 경우에, 물리적인 피크 휘도의 저하가 시각적으로 지각되기 어려운 특정 조건을 만족시키는 프레임이 출현하게 되는 경우에, 상기 프레임의 출현을 검출하는 특정 조건 검출부와,상기 특정 조건을 만족시키는 프레임의 검출 후에, 그 검출 상태가 해제될 때까지, 사전에 설정한 저하 조건을 만족시키도록, 표시 패널의 피크 휘도를 프레임 단위로 저하 제어하는 발광 조건 제어부를 가지는 것을 특징으로 하는 발광 조건 제어장치.
- 표시 패널의 발광 시간을 1 프레임 단위로 제어하는 발광 조건 제어방법에 있어서,1 프레임마다 영상 신호의 평균 계조치를 프레임 단위로 산출하는 처리와,가장 인접한 복수 프레임에 있어서 각 평균 계조치의 합을 프레임 수만큼 삭제하고 얻어진 구간 평균치와 현재 프레임의 평균 계조치와의 차분의 절대치를 구간 평균치로 삭제하여 얻어진 변화율을 축차 산출하고, 산출된 변화율이 사전에 설정한 소정의 임계치 보다 작은 경우에, 물리적인 피크 휘도의 저하가 시각적으로 지각되기 어려운 특정 조건을 만족시키는 프레임이 출현하게 되는 경우에, 상기 프레임의 출현을 검출하는 처리와,상기 특정 조건을 만족시키는 프레임의 검출 후에, 그 검출 상태가 해제될 때까지, 사전에 설정한 저하 조건을 만족시키도록, 표시 패널의 피크 휘도를 프레임 단위로 저하 제어하는 처리를 가지는 것을 특징으로 하는 발광 조건 제어방법.
- 표시 패널의 발광 시간을 1 프레임 기간 내에서 제어하는 컴퓨터에 의해 실행되기 위한 프로그램을 기록한 기록 매체에 있어서,상기 프로그램은,1 프레임마다 영상 신호의 평균 계조치를 프레임 단위로 산출하는 처리와,가장 인접한 복수 프레임에 있어서 각 평균 계조치의 합을 프레임 수만큼 삭제하고 얻어진 구간 평균치와 현재 프레임의 평균 계조치와의 차분의 절대치를 구간 평균치로 삭제하여 얻어진 변화율을 축차 산출하고, 산출된 변화율이 사전에 설정한 소정의 임계치보다 작은 경우에, 물리적인 피크 휘도의 저하가 시각적으로 지각되기 어려운 특정 조건을 만족시키는 프레임이 출현하게 되는 경우에, 상기 프레임의 출현을 검출하는 처리와,상기 특정 조건을 만족시키는 프레임의 검출 후에, 그 검출 상태가 해제될 때까지, 사전에 설정한 저하 조건을 만족시키도록, 표시 패널의 피크 휘도를 프레임 단위로 저하 제어하는 처리를 가지는 것을 특징으로 하는 기록 매체.
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EP2163557B1 (en) | 2007-06-04 | 2014-10-15 | Nihon University | Function-selective vitamin d receptor agonist |
JP4530014B2 (ja) | 2007-09-20 | 2010-08-25 | ソニー株式会社 | 表示装置、表示駆動方法 |
JP2009186802A (ja) * | 2008-02-07 | 2009-08-20 | Sharp Corp | 液晶表示装置 |
JP5211732B2 (ja) * | 2008-02-14 | 2013-06-12 | ソニー株式会社 | 点灯期間設定方法、表示パネルの駆動方法、点灯条件設定装置、半導体デバイス、表示パネル及び電子機器 |
KR101985313B1 (ko) | 2012-10-16 | 2019-06-03 | 삼성전자주식회사 | 디스플레이장치 및 그 제어방법 |
JPWO2015001709A1 (ja) | 2013-07-05 | 2017-02-23 | 株式会社Joled | El表示装置およびel表示装置の駆動方法 |
CN105336762B (zh) * | 2015-11-17 | 2019-01-11 | 深圳典邦科技有限公司 | 硅基cmos驱动的oled图像显示装置及制造方法 |
CN113744684B (zh) * | 2021-08-23 | 2022-12-09 | 集创北方(珠海)科技有限公司 | 显示控制方法、显示控制装置和显示装置 |
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US20070176861A1 (en) | 2007-08-02 |
KR20070055375A (ko) | 2007-05-30 |
JP2007147866A (ja) | 2007-06-14 |
JP4899447B2 (ja) | 2012-03-21 |
CN1991948A (zh) | 2007-07-04 |
US8259042B2 (en) | 2012-09-04 |
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