| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light source having a light distribution pattern, in which a boundary of an irradiation part and a non-irradiation part clearly appears in front of the light source on a screen arranged in front of a linear light source, with a simple structure. <P>SOLUTION: The light source is used in an illumination lamp 10 in which light from the light source is reflected forward by a reflecting member 20 arranged behind the light source 11, and includes: a plurality of light-emitting elements linearly arranged at predetermined intervals on a substrate; a light-emitting part surrounding a periphery of the plurality of light-emitting elements in a rectangular shape of a horizontally-long aspect ratio and structures a boundary of the light-emitting region and the non-light-emitting region with a straight line; and a wavelength conversion material layer formed to cover the light-emitting part. <P>COPYRIGHT: (C)2011,JPO&INPIT |
