1
Shankar M V
Gopi Chandran Ramachandran, Mukunda Srinivas Adyam, Shankar Madras Venugopal, Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Venkatesan Manivannan, William Winder Beers: Phosphors containing oxides of alkaline-earth and group-13 metals, and light sources incorporating the same. General Electric Company, Fletcher Yoder, July 18, 2006: US07077980 (8 worldwide citation)

A phosphor comprises europium, at least two alkaline-earth metals, and at least a Group-13 metal. In one embodiment, the phosphor has a formula selected from the group consisting of Sr4-a-zAaEuzD12O22 and Sr4-a-zAaEuzD14O25; wherein A is at least an alkaline-earth metal other than strontium; D is an ...


2
Shankar M V
Shankar Madras Venugopal, Alok M Srivastava, Holly Ann Comanzo, Vikas Midha, William Winder Beers, Gopi Chandran Ramachandran, Mukunda Srinivas Adyam: Composite electrode materials for electric lamps and methods of manufacture thereof. General Electric Company, Fletcher Yoder, April 12, 2005: US06879091 (6 worldwide citation)

An electron emissive composition comprises a barium tantalate composition in an amount of about 50 to about 95 wt %; and a ferroelectric oxide composition in an amount of about 5 to about 50 wt %, wherein the weight percents are based on the total weight of the barium tantalate composition and the f ...


3
Shankar M V
Shankar Madras Venugopal, Alok M Srivastava, Holly Ann Comanzo, Vikas Midha, William Winder Beers, Gopi Chandran Ramachandran, Mukunda Srinivas Adyam: Electrode materials for electric lamps and methods of manufacture thereof. General Electric Company, Fletcher Yoder, February 1, 2005: US06849996 (2 worldwide citation)

An electron emissive composition comprises a barium tantalate composition of the formula (Ba1−x, Cax, Srp, Dq)6(Ta1−y, Wy, Et, Fu, Gv, Caw)2O(11±δ) where δ is an amount of about 0 to about −3; and wherein D is either an alkali earth metal ion or an alkaline earth ion; E, F, and G, are alkaline earth ...


4
Shankar M V
Shankar Madras Venugopal, Alok M Srivastava, Holly Ann Comanzo, Vikas Midha, William Winder Beers, Gopi Chandran Ramachandran, Mukunda Srinivas Adyam: Composite electrode materials for electric lamps and methods of manufacture thereof. General Electric Company, Global Research, December 2, 2004: US20040239225-A1

An electron emissive composition comprises a barium tantalate composition in an amount of about 50 to about 95 wt %; and a ferroelectric oxide composition in an amount of about 5 to about 50 wt %, wherein the weight percents are based on the total weight of the barium tantalate composition and the f ...


5
Shankar Madras Venugopal, Alok M Srivastava, Holly Ann Comanzo, Vikas Midha, William Winder Beers, Gopi Chandran Ramachandran, Mukunda Srinivas Adyam: Electrode materials for electric lamps and methods of manufacture thereof. General Electric Company, December 2, 2004: US20040239229-A1

An electron emissive composition comprises a barium tantalate composition of the formula (Ba1-x, Cax, Srp, Dq)6(Ta1-y, Wy, Et, Fu, Gv, Caw)2O(11±) where is an amount of about 0 to about 3; and wherein D is either an alkali earth metal ion or an alkaline earth ion; E, F, and G, are alkaline earth ion ...


6
Gopi Chandran Ramachandran, Mukunda Srinivas Adyam, Shankar Madras Venugopal, Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Venkatesan Manivannan, William Winder Beers: Phosphors containing oxides of alkaline-earth and group-13 metals, and light sources incorporating the same. General Electric Company, General Electric Company, Global Research, November 3, 2005: US20050242327-A1

A phosphor comprises europium, at least two alkaline-earth metals, and at least a Group-13 metal. In one embodiment, the phosphor has a formula selected from the group consisting of Sr4-a-zAaEuzD12O22 and Sr4-a-zAaEuzD14O25; wherein A is at least an alkaline-earth metal other than strontium; D is an ...