LIGHT EMITTING MODULE AND LIGHT EMITTING DEVICE

• Main Author: KAWAKATSU AKIRA
• Format: Patent
• Language: English
• Published: 11.04.2013
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; SEMICONDUCTOR DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

PROBLEM TO BE SOLVED: To control reflection at an irradiation surface by controlling a polarization direction of emitted light and to reduce glare on the irradiation surface.SOLUTION: A light emitting module comprises: a light emitting element 1b; and a phosphor layer 1d that converts a wavelength of light irradiated from the light emitting element 1b while covering the light emitting element 1b. The light emitting module has a polarization control part 2 having metal nano-wires 2a which are arranged on a front face of the phosphor layer 1d in parallel with one another, reflect incident light when light having a polarization direction parallel with an arrangement direction thereof is made incident thereto and transmit the incident light when light having a polarization direction parallel with a width direction of the arrangement is made incident thereto.