| 摘要 |
<P>PROBLEM TO BE SOLVED: To adjust an illumination pattern to form the illumination pattern matched with the size and shape of the oral cavity of a child or an oral cavity of a patient. <P>SOLUTION: The dental astral lamp is composed of a plurality of organic EL panels 20<SB>1</SB>-20<SB>3</SB>and the respective panels are connected in a revolvable manner through a revolving shaft 20'. The organic EL panels 20<SB>2</SB>, 20<SB>3</SB>are connected in a replaceable manner and can be replaced with organic EL panels different in size or shape. <P>COPYRIGHT: (C)2011,JPO&INPIT |
