| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve an yield and the quality of a light-emitting device itself and those of products using the light-emitting device by reducing the fluctuation of a quantity of light emitted between the light-emitting devices when they are used. <P>SOLUTION: The light-emitting device 10 is constituted by laminating a reflection layer 14 on a GaAs substrate 12, laminating a light-emitting layer 16 on the reflection layer 14, and laminating a surface layer 18 on the light-emitting layer 16. The surface layer 18 is constituted by alternatively laminating a low refraction index film 18a and a film (high refractive index film 18b) having a refraction index higher than that of the low refraction index film 18a. In this case, the surface layer may be constituted by alternatively laminating one low refraction index film 18a and one high refraction index film 18b. The top-hat film of the surface layer 18 may be the low refraction index film 18a and a film neighboring to the light-emitting layer 16 may be the high refraction index film 18b. <P>COPYRIGHT: (C)2011,JPO&INPIT |
