| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve color rendering property in a light emitting device using an LED chip. <P>SOLUTION: The light emitting device is provided with the LED chip 1, a mount board 10 being a base member on which the LED chip 1 is mounted, a first color conversion member 20 arranged on the side of the mounting face of the LED chip in the mount board 10, and a second color conversion member 30 arranged on an opposite side of the mount board 10 with respect to the first color conversion member 20. White light can be obtained by mixing first visible light (blue light) radiated from the LED chip 1, second visible light (red light) whose color is converted from first visible light by the first color conversion member 20, and third visible light (green light) whose color is converted from first visible light by the second color conversion member 30. Thus, color rendering property improves since second visible light (red light) of a long wavelength region increases compared to a conventional case where blue light and yellow light are mixed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
