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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/800
Name: Illumination > Light emitting diode
Description: Devices including a potential barrier between two materials, one of which is a semiconductor, wherein the device is designed to emit light.


Patents under this class:
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Patent Number Title Of Patent Date Issued
6676272 Interactive mirror system for overnight lodging establishment Jan. 13, 2004
6676279 Area lighting device using discrete light sources, such as LEDs Jan. 13, 2004
6676284 Apparatus and method for providing a linear effect Jan. 13, 2004
6672735 Suction head for a suction cleaning device Jan. 6, 2004
6672741 Light emitting diode reflector Jan. 6, 2004
6672746 Led-type vehicular lamp Jan. 6, 2004
6670776 Enhanced trim resolution voltage-controlled dimming LED driver Dec. 30, 2003
6666565 Light emitting diode (LED) flashlight Dec. 23, 2003
6663249 Instrument panel with different colored illumination Dec. 16, 2003
6663257 Flashlight with removable pocket knife Dec. 16, 2003
6659623 Illumination system Dec. 9, 2003
6655823 Illuminating apparatus for exhaust tail pipe Dec. 2, 2003
6657381 Display device having a multi-layered structure with light-emitting devices mounted thereon Dec. 2, 2003
6657382 Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture Dec. 2, 2003
6657393 Vehicle lamp having light sources with LEDs arranged in two groups Dec. 2, 2003
6648491 Vehicle lamp using light emitting diode Nov. 18, 2003
6648495 Heat-dissipating LED traffic signal light Nov. 18, 2003
6648496 Nightlight with light emitting diode source Nov. 18, 2003
6650064 Fault tolerant led display design Nov. 18, 2003
6644841 Light emitting diode reflector Nov. 11, 2003
6641283 LED puck light with detachable base Nov. 4, 2003
6641284 LED light assembly Nov. 4, 2003
6641287 Reflective type light-emitting diode Nov. 4, 2003
6642666 Method and device to emulate a railway searchlight signal with light emitting diodes Nov. 4, 2003
6642667 Automatic shut-off for flashlights Nov. 4, 2003
6637917 Side flashing lamp Oct. 28, 2003
6634765 Light strip bendable to form various pattern Oct. 21, 2003
6634770 Light source using semiconductor devices mounted on a heat sink Oct. 21, 2003
6634771 Semiconductor light source using a primary and secondary heat sink combination Oct. 21, 2003
6634779 Method and apparatus for linear led lighting Oct. 21, 2003
6636003 Apparatus and method for adjusting the color temperature of white semiconduct or light emitters Oct. 21, 2003
6629772 Method and apparatus for illumination and entertainment by light emitted from a guide via scattering Oct. 7, 2003
6630801 Method and apparatus for sensing the color point of an RGB LED white luminary using photodiodes Oct. 7, 2003
6630888 Rearview mirror assembly with integral display element and camera Oct. 7, 2003
6626557 Multi-colored industrial signal device Sep. 30, 2003
6626558 Apparatus for uniform illumination of an object Sep. 30, 2003
6628252 LED drive circuit Sep. 30, 2003
6623126 Projector for use in planetarium Sep. 23, 2003
6623139 Pocket lamp, especially a part of the housing Sep. 23, 2003
6623142 Method and apparatus for correcting optical non-uniformities in a light emitting diode Sep. 23, 2003
6623150 Light-emitting diode combination marker/clearance lamp for trucks and trailers Sep. 23, 2003
6623151 LED double light bar and warning light signal Sep. 23, 2003
6623152 Display element capable of being mounted on a printed circuit board Sep. 23, 2003
6619813 Multi-purpose LED light Sep. 16, 2003
6619831 Strip light emitter Sep. 16, 2003
6621222 Power-saving lamp Sep. 16, 2003
6621223 Package socket and package legs structure for led and manufacturing of the same Sep. 16, 2003
6621235 Integrated LED driving device with current sharing for multiple LED strings Sep. 16, 2003
6621716 LED package Sep. 16, 2003
6616299 Single optical element LED signal Sep. 9, 2003

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