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Class Information
Number: 40/542
Name: Card, picture, or sign exhibiting > Illuminated sign > Luminescent
Description: Sign in which the message thereon is visible due to light not ascribable directly to incandescence, e.g., signs which glow in the dark, etc.










Sub-classes under this class:

Class Number Class Name Patents
40/544 Electroluminescent 121
40/543 Ultraviolet source 38


Patents under this class:
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Patent Number Title Of Patent Date Issued
8711067 Pixel interleaving configurations for use in high definition electronic sign displays Apr. 29, 2014
8539702 Light emitting sign and display surface therefor Sep. 24, 2013
8479423 Advanced photoluminescent components and formulation/fabrication methods for production thereof Jul. 9, 2013
8350788 Louver panel for an electronic sign Jan. 8, 2013
8302336 Light emitting sign and display surface therefor Nov. 6, 2012
8286378 Advanced photoluminescent components and formulation/fabrication methods for production thereof Oct. 16, 2012
8281509 Nautical navigation aid with a photoluminescent element and a light wave re-directing means for improved photoluminescence Oct. 9, 2012
8250794 Emergency information sign Aug. 28, 2012
8156671 Photoluminescent exit device Apr. 17, 2012
7937865 Light emitting sign and display surface therefor May. 10, 2011
7832131 Afterglowing sign Nov. 16, 2010
7629965 Keypad backlighting of mobile terminal Dec. 8, 2009
7596898 Afterglowing sign Oct. 6, 2009
7587845 Nautical sign Sep. 15, 2009
7559664 Low profile backlighting using LEDs Jul. 14, 2009
7559673 Method and device for shading in a display system Jul. 14, 2009
7412790 Edge-lit panel with photo-luminescent features Aug. 19, 2008
7297964 Photoluminescent wall marker and method of making Nov. 20, 2007
7268491 Expandable display having rollable material Sep. 11, 2007
7249431 Light-activated illuminating device Jul. 31, 2007
7230767 Image display system utilizing light emitting material Jun. 12, 2007
7166369 Luminous panel Jan. 23, 2007
7153593 High brightness phosphorescent panel Dec. 26, 2006
7065909 Portable animated illuminated panel display device Jun. 27, 2006
6979499 Image display system utilizing light emitting material Dec. 27, 2005
6956561 Keypad backlighting of mobile terminal Oct. 18, 2005
6843010 Sign with photo-luminescent and current-generated lighting Jan. 18, 2005
6828043 Luminous panel Dec. 7, 2004
6758572 Chemiluminescent lighting element Jul. 6, 2004
6748681 Illuminated badge system Jun. 15, 2004
6705033 LED-illuminated outdoor sign Mar. 16, 2004
6678980 Traffic safety sign apparatus Jan. 20, 2004
6663255 Re-usable self-illuminating sign Dec. 16, 2003
6658773 Label with luminescence inside Dec. 9, 2003
6601634 Illuminating window cover Aug. 5, 2003
6584714 Fluorescent, structured shaped bodies Jul. 1, 2003
6526588 Stabilization of fluorescent dyes in vinyl chloride articles using hindered amine light stabilizers Mar. 4, 2003
6500543 Artificial stone molded product Dec. 31, 2002
6487802 Photoluminescent evacuation route kit Dec. 3, 2002
6364498 Fail-safe illuminated display comprising multimodal illumination components Apr. 2, 2002
6299338 Decorative lighting apparatus with light source and luminescent material Oct. 9, 2001
6276634 Emergency lighting Aug. 21, 2001
6251491 Luminous sticker having ornamental effect Jun. 26, 2001
6240664 Illuminated sign and sign plate therefor Jun. 5, 2001
6237266 Evacuation route having photoluminescent indicators May. 29, 2001
6166856 Self light-emitting retroreflective sheet and method for producing the same Dec. 26, 2000
6048595 Printed articiles having light-storing printed layers Apr. 11, 2000
6036326 Illuminated resinous button key with optical means for highlighting character formed on the key Mar. 14, 2000
5961072 Emergency lighting Oct. 5, 1999
5913616 Chemiluminescent funeral symbol Jun. 22, 1999

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