C09K11/7421 - CPC Classification Index

ClassID:

104494 ⎘

C09K11/7421 - CPC Classification

Classification description:

Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth; Chalcogenides with alkaline earth metals

Recent Application in this class:

20230165028

2023-05-25

QUANTUM DOT-LIGAND COMPOSITE, PHOTOSENSITIVE RESIN COMPOSITION, OPTICAL FILM, ELECTROLUMINESCENT DIODE, AND ELECTRONIC DEVICE

20150123536

2015-05-07

White phosphors, methods of making white phosphors, white light emitting LEDS, methods of making white light emitting LEDS, and light bulb structures

20140134764

2014-05-15

White light emitting diode (LED) lighting device driven by pulse current

20140132177

2014-05-15

White light emitting diode (LED) lighting device driven by pulse current

20140131746

2014-05-15

White light emitting diode (LED) lighting device driven by pulse current

20130249434

2013-09-26

Multi-chip light emitting device lamps for providing high-CRI warm white light and light fixtures including the same

20130015474

2013-01-17

White light emitting diode (LED) lighting device

20120181448

2012-07-19

Product marking

20120032208

2012-02-09

Light emission device

#10

20110284798

2011-11-24

White phosphors, methods of making white phosphors, white light emitting LEDs, methods of making white light emitting LEDs, and light bulb structures

#11

20110050125

2011-03-03

Multi-chip light emitting device lamps for providing high-CRI warm white light and light fixtures including the same

#12

20110043099

2011-02-24

ABOS:M-based phosphors and light sources containing these phosphors

#13

20100040769

2010-02-18

Method for Manufacturing a Triple Wavelengths White Led

#14

20090286014

2009-11-19

PHOTOLUMINESCENT COMPOSITION AND METHOD

#15

20090195137

2009-08-06

Light emission device and method utilizing multiple emitters

#16

20090095970

2009-04-16

White phosphors, methods of making white phosphors, white light emitting LEDS, methods of making white light emitting LEDS, and light bulb structures

#17

20070223219

2007-09-27

Multi-chip light emitting device lamps for providing high-CRI warm white light and light fixtures including the same

#18

20070125984

2007-06-07

Phosphors protected against moisture and LED lighting devices

#19

20060234417

2006-10-19

Composite nano-particle and method for preparing the same

#20

20060152140

2006-07-13

Light emission device and method utilizing multiple emitters and multiple phosphors

#21

20060061261

2006-03-23

White light emitting device

#22

20060012287

2006-01-19

Efficient, green-emitting phosphors, and combinations with red-emitting phosphors

#23

20050218781

2005-10-06

Triple wavelengths light emitting diode

#24

20050218780

2005-10-06

Method for manufacturing a triple wavelengths white LED

#25

20050168127

2005-08-04

[WHITE LIGHT LED]