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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/342
Name: Illumination > Light modifier > Reflector > Louvered or grid type
Description: Subject matter wherein the modifier includes at least two spaced adjacent modifying means each having at least two plane or curved surfaces of the type generated by a straight or curved line (the "generatrix"); at least one of the surfaces of each means being reflective, the means being so arranged relative to each other that (a) no two of the surfaces are generated by an extension of the same generatrix, (b) one of the surfaces of one means faces one of the surfaces of the adjacent means, and (c) light is able to pass both surfaces of each means and at least one of the surfaces in a direction parallel or tangent to its generatrix.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8632206 System of, and method for, indirect lighting Jan. 21, 2014
8632226 Lighting system Jan. 21, 2014
8596830 Indirect lighting system Dec. 3, 2013
RE44575 Back light assembly for use with back-to-back flat-panel displays Nov. 5, 2013
8511865 LED luminaire light redirection shield Aug. 20, 2013
8496354 Beam control system for an LED luminaire Jul. 30, 2013
8480252 Illumination device Jul. 9, 2013
8425090 Reflector cup and LED lamp comprising the same Apr. 23, 2013
8251532 Back light module and flat display device using the same Aug. 28, 2012
8118453 Luminaire and lamellae louver therefor Feb. 21, 2012
8109647 Lighting device Feb. 7, 2012
RE43125 Back light assembly for use with back-to-back flat-panel displays Jan. 24, 2012
RE42975 Back light assembly for use with back-to-back flat-panel displays Nov. 29, 2011
8061876 Illumination device Nov. 22, 2011
8057064 Lighting fixture for lamp tube Nov. 15, 2011
8029156 Optical module for LED array Oct. 4, 2011
8009362 Display device and light enhancement film of the display device Aug. 30, 2011
7997762 Light-guiding modules and LED lamp using the same Aug. 16, 2011
7997758 Light-guiding module and LED light source using the same Aug. 16, 2011
7980723 Luminaire Jul. 19, 2011
7972036 Modular bollard luminaire louver Jul. 5, 2011
7905636 Luminaire and lamellae louver Mar. 15, 2011
7891825 Light source unit and projection type image display apparatus having the same Feb. 22, 2011
7828468 Louver assembly for a light fixture Nov. 9, 2010
7823580 Range hood apparatus and method Nov. 2, 2010
7766506 Light influencing element Aug. 3, 2010
7758212 Light emitting diode device including inclined reflecting plates Jul. 20, 2010
7748859 Backlight module having grating plate and liquid crystal display with same Jul. 6, 2010
7703969 Backlight unit having multilayer light deflecting film Apr. 27, 2010
7695176 Projection-type vehicle headlamp having a louvered cover Apr. 13, 2010
7559673 Method and device for shading in a display system Jul. 14, 2009
7553048 Stabilized mirror system for a handheld laser pointer Jun. 30, 2009
7534027 Planar light source and liquid crystal display using the same May. 19, 2009
7535638 Fractional coverage louver device for a light guide screen May. 19, 2009
7527399 Self-contained full light cut-off light pollution-free bulb May. 5, 2009
7520643 Lighting louver system Apr. 21, 2009
7520636 Luminaire comprising LEDs Apr. 21, 2009
7513634 Structure of planar illuminator Apr. 7, 2009
7490961 System of, and method for, indirect lighting Feb. 17, 2009
7481566 Light emitting diode backlight unit and liquid crystal display having the same Jan. 27, 2009
7478921 Method and apparatus for lighting Jan. 20, 2009
7465071 Electric light fixture with reflectors Dec. 16, 2008
7463415 System for collecting and displaying images to create a visual effect and methods of use Dec. 9, 2008
7461955 Method and apparatus for coupling a louver member to a lighting device chassis Dec. 9, 2008
7397984 Light guide screen louver device Jul. 8, 2008
RE40355 Back light assembly for use with back-to-back flat-panel displays Jun. 3, 2008
7325998 Bollard lamp Feb. 5, 2008
7287878 LED sign cover and method of manufacture Oct. 30, 2007
7252412 Luminaire and method of lighting by means of a luminaire Aug. 7, 2007
7220021 Compact color illumination device May. 22, 2007

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