LINEAR LIGHT-EMITTING DIODE ARRAY Russian patent published in 2005 - IPC

FIELD: lighting units.

SUBSTANCE: array can be used for illuminating local surfaces and especially for illuminating objects when high quality of illumination is required. Light-emitting diodes are disposed in case along optical axis of array to provide coincidence of central axes of luminous fluxes of those light-emitting diodes with described optical axis. To improve efficiency of amplification of luminous fluxes the back sides of light-emitting diodes are provided with light-reflecting attachments made in form of cones or paraboloids either funnels. Inner surface of cone has light-reflecting coating. Case can be made in form of flask or cylindrical tube or it can have grades. Light-emitting diodes can be divided to groups which have different radiation spectra, for example, red, green and blue. There is current regulator in any power circuit of each group. Light-emitting diodes can have ultraviolet or infrared radiation spectrum. When forming total luminous flux the luminous flux from light-emitting diodes after being reflected from light-reflecting attachments enters light-reflecting coating applied onto inner surface of case; then the flux enters collimating lens.

EFFECT: reduced sizes; improved fidelity and safety; reduced power consumption.

20 cl, 21 dwg