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Class Information
Number: 313/609
Name: Electric lamp and discharge devices > With gas or vapor > Having baffle, partition, or constricting means affecting discharge
Description: Subject matter which includes physical structure within the envelope to change the direction of the electrical discharge within the envelope or which can be part of the envelope to change the area of the discharge flowing within the envelope.

Sub-classes under this class:

Class Number Class Name Patents
313/611 Constriction means 38
313/610 Partition 101

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8400059 Mercury-vapor discharge lamp for homogeneous, planar irradiation Mar. 19, 2013
8384288 Electroluminescent fabric embedding illuminated fabric display Feb. 26, 2013
8164263 Excimer discharge lamp Apr. 24, 2012
8008862 Shine-through hydrogen lamp Aug. 30, 2011
7928644 Low pressure discharge lamp with envelope having double helix shape and sealed ends Apr. 19, 2011
7862186 Projector Jan. 4, 2011
7852005 Fluorescent lamp with external electrode, backlight, and display device Dec. 14, 2010
7808515 Method of driving plasma display panel (PDP) and PDP driven using the method Oct. 5, 2010
7802890 Light source device and projector Sep. 28, 2010
7764018 Gas discharge tube Jul. 27, 2010
7642718 Plasma display panel with wider and narrower display regions Jan. 5, 2010
7589466 Plasma display panel with discharge cells having different volumes Sep. 15, 2009
7569993 Gas discharge tube with discharge path limiting means Aug. 4, 2009
7557509 Gas discharge tube light source apparatus and liquid chromatograph Jul. 7, 2009
7518232 Plasma display panel Apr. 14, 2009
7397176 Surface light source device and liquid crystal display device having the same Jul. 8, 2008
7385342 Flat lamp for emitting lights to a surface area and liquid crystal display using the same Jun. 10, 2008
7382096 Flat fluorescent lamp and liquid crystal display device having the same Jun. 3, 2008
7310073 Plasma display panel Dec. 18, 2007
7288880 High-luminance gas discharge tube with diaphragm elements within discharge path Oct. 30, 2007
7288893 Gas discharge tube Oct. 30, 2007
7271541 Surface light source with hollow electrode component for use in liquid crystal display devices Sep. 18, 2007
7245080 Substrate having organic electroluminescent device and method of fabricating the same Jul. 17, 2007
7205720 Plasma display panel Apr. 17, 2007
7164223 Multi-tube fluorescent discharge lamp Jan. 16, 2007
7154225 Surface light source device, method of manufacturing the same and liquid crystal display apparatus having the same Dec. 26, 2006
7132796 Organic electroluminescent device and method of fabricating the same Nov. 7, 2006
7091666 Organic electroluminescent device Aug. 15, 2006
7053552 Plasma display panel having end portions of barrier ribs adjusted to avoid vertical swelling May. 30, 2006
7034461 Ceramic arc tube with internal ridge Apr. 25, 2006
7030560 Plasma display panel having dummy barrier ribs Apr. 18, 2006
6963159 Image-forming apparatus and spacer Nov. 8, 2005
6960881 Plasma display panel having barriers with varied thickness Nov. 1, 2005
6956326 Gas discharge tube having insulator between aperture members Oct. 18, 2005
6954029 Back panel and/or spacer for display apparatus and display apparatus using the same Oct. 11, 2005
6940225 Plasma display panel having electrode with first and second portions Sep. 6, 2005
6924598 Apparatus for providing a kinetic lightning effect Aug. 2, 2005
6873107 Gas discharge tube having multiple stem pins Mar. 29, 2005
6870315 Board for plasma display with barrier ribs, plasma display and production process therefor Mar. 22, 2005
6870317 Gas discharge tube Mar. 22, 2005
6867545 Plasma display panel with light shielding layers having different widths Mar. 15, 2005
6847166 Plasma display panel with improved brightness and color purity Jan. 25, 2005
6838827 Plasma display including certain layers being usable as high-definition large-sized display and method for fabricating the same Jan. 4, 2005
6765633 Flat lamp for emitting lights to a surface area and liquid crystal display using the same Jul. 20, 2004
6741025 Field electron emission materials with insulating material disposed in particular area and devices May. 25, 2004
6741038 Plasma display panel with partition walls having different widths May. 25, 2004
6664726 Fluorescent lamp with a by-pass means in the discharge space resulting in low starting voltage Dec. 16, 2003
6657375 Fluorescent lamp and method for manufacturing the same Dec. 2, 2003
6653783 Self-ballasted electrodeless discharge lamp with startability improving means Nov. 25, 2003
6646376 Plasma display panel and a plasma display panel production method Nov. 11, 2003

1 2 3

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