| 摘要 |
<P>PROBLEM TO BE SOLVED: To accurately detect quantity of light incident to an illuminated object in a lighting device without enlarging a size of the device. <P>SOLUTION: The lighting device has a transparent sealing substrate 214, a lighting substrate 210 opposite to the sealing substrate 214, light-emitting elements 211 arranged between the sealing substrate 214 and the lighting substrate 210 and light-emitting toward the lighting substrate 210, light detection elements arranged between the sealing substrate 214 and the lighting substrate 210 and outputting detection signals of sizes corresponding to the quantity of light incident from the lighting substrate 210, and light shielding layers 213 formed on the lighting substrate 210 and shielding light incident from the lighting substrate 210 to the light detection element. <P>COPYRIGHT: (C)2011,JPO&INPIT |
