Abstract:
A light emitting apparatus includes a light emitting unit including a monochromatic light source configured to emit light having a predetermined color, and a wavelength conversion element configured to generate white light from the light emitted by the monochromatic light source, a spectrum detection unit configured to detect a first spectrum distribution from the light emitted by the monochromatic light source, and detect a second spectrum distribution from the white light, and a controller configured to compare the first spectrum distribution and the second spectrum distribution with a first reference spectrum distribution and a second reference spectrum distribution, respectively, and adjust at least one of a wavelength and an intensity of the light emitted by the monochromatic light source.
Abstract:
A wavelength conversion film is provided and may include a first layer including a wavelength conversion material and an encapsulant encapsulating the wavelength conversion material, and a second layer attached to the first layer and having a refractive index less than a refractive index of the encapsulant and greater than a refractive index of air.
Abstract:
A semiconductor light emitting device is provided and includes a protective element including a first lower conductivity-type semiconductor layer and a second lower conductivity-type semiconductor layer. First and second lower electrodes are connected to the first lower conductivity-type semiconductor layer and the second lower conductivity-type semiconductor layer, respectively. A light emitting structure includes a first upper conductivity-type semiconductor layer, an active layer, and a second upper conductivity-type semiconductor layer sequentially formed on the protective element. First and second upper electrodes are connected to the first upper conductivity-type semiconductor layer and the second upper conductivity-type semiconductor layer, respectively.
Abstract:
A method of manufacturing a semiconductor light emitting device includes preparing a light emitting structure including first and second conductivity type semiconductor layers and an active layer interposed therebetween, forming a plurality of seeds on at least one surface of the light emitting structure, and forming a plurality of dome-shaped protrusions by forming optical waveguide groups from the plurality of respective seeds and combining the optical waveguide groups.
Abstract:
A light measuring system including an integrating sphere having an aperture configured by opposing reflectors selectively aligned with complementary reflectors of at least one light source mounting block having a light source mounting region for mounting a light source thereon.