Jun Liu

US Patent:

6604611, Aug 12, 2003

Filed:

Dec 28, 2001

Appl. No.:

10/036223

Inventors:

Jun Liu - Berwyn PA
Juan A. Lence-Barriero - Santiago de Compostela, ES
Chouhwan Moon - Glastonbury CT
Harry Z. Huang - Plainville CT

Assignee:

Otis Elevator Company - Farmington CT

International Classification:

B66B 300

US Classification:

187391, 187247, 187316

Abstract:

Variable thresholds ( ) are generated in response to an average defect rate ( ) generated under certain conditions ( ), excesses of which can set an internal flag ( ). If an information request ( ) or service personnel visit to the elevator site ( ) occur, the internal flag, or the upward adjustment of the average defect rate ( ) can generate a maintenance flag ( ) which ultimately results in a maintenance recommendation message related to the particular parameter having a notable defect.

US Patent:

20140042422, Feb 13, 2014

Filed:

Mar 26, 2012

Appl. No.:

14/111254

Inventors:

Gary S. Silverman - King of Prussia PA, US
Roman K. Korotkov - King of Prussia PA, US
Ryan C. Smith - Schwenksville PA, US
Jun Liu - Richland WA, US
Daniel J. Gaspar - Richland WA, US
Asanga B. Padmaperuma - Richland WA, US
Liang Wang - Milpitas CA, US
Birgit Schwenzer - Richland WA, US
James S. Swensen - Paul ID, US

Assignee:

Battelle Memorial Institute - Richland WA
Arkema Inc. - King of Prussia PA

International Classification:

H01L 51/52

US Classification:

257 40, 257 98, 438 29

Abstract:

A light-emitting device, which improves the light output of organic light emitting diodes (OLEDs), includes at least one porous metal or metalloid oxide light extraction layer positioned between the substrate and the transparent conducting material layer in the OLED. The index of refraction of the light extraction layer and the light scattering may be tuned by changing the pore size, pore density, doping the metal oxide, adding an insulating, conducting or semiconducting component, or filling the pores, for example. A method for forming the light-emitting device includes forming at least one light extraction layer comprising a porous metal or metalloid oxide on a substrate, for example, using atmospheric pressure chemical vapor deposition (APCVD), and subsequently, forming a transparent conducting material on the light extraction layer.

US Patent:

20190296398, Sep 26, 2019

Filed:

Jul 6, 2017

Appl. No.:

16/317918

Inventors:

- Brussels, BE
Jun J. LIU - Wilmington DE, US
Sang-Hwan KIM - Wilmington DE, US
Kostantinos KOURTAKIS - Media PA, US

International Classification:

H01M 10/0569
H01M 10/0568
H01M 10/0525
H01M 4/131

Abstract:

Disclosed herein are electrolyte compositions comprising: a) a first solvent comprising a cyclic carbonate; b) a second solvent comprising a non-fluorinated acyclic carbonate; c) at least one electrolyte component selected from: i) a fluorinated acyclic carboxylic acid ester; ii) a fluorinated acyclic carbonate; iii) a fluorinated acyclic ether; or iv) a mixture thereof; and d) an electrolyte salt; wherein the electrolyte component is present in the electrolyte composition in the range of from about 0.05 weight percent to about 10 weight percent, based on the total weight of the first and second solvents.

US Patent:

20180241086, Aug 23, 2018

Filed:

Jun 3, 2016

Appl. No.:

15/749807

Inventors:

- Brussels, BE
Stephen E. BURKHARDT - Wilmington DE, US
Kostantinos KOURTAKIS - Media PA, US
Brian LEVY-POLIS - Newark DE, US
Jun J. LIU - Wilmington DE, US
Mark Gerrit ROELOFS - Earleville MD, US

International Classification:

H01M 10/0568
H01M 10/0569
H01M 10/0567
H01M 4/131

Abstract:

Described herein are: An electrolyte composition comprising a) a fluorinated solvent for an electrolyte salt; b) an oxalate salt represented by the Formula LiPF(Ox), wherein Ox is an oxalate moiety and q is 1, 2 or 3; and c) optionally, at least one electrolyte salt. In some embodiments, the electrolyte composition comprises a mole ratio of Ox/P in the range of from 0.001 to 5. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

US Patent:

20170250445, Aug 31, 2017

Filed:

Aug 12, 2015

Appl. No.:

15/503794

Inventors:

- Brussels, BE
Kostantinos Kourtakis - Media PA, US
Jun J. Liu - Wilmington DE, US
Mark Gerrit Roelofs - Earleville MD, US
Sang-Hwan Kim - Wilmington DE, US

Assignee:

Solvay SA - Brussels

International Classification:

H01M 10/0569
H01M 10/0567
H01M 4/587
H01M 4/505
H01M 4/525
H01M 10/0525
H01M 10/0568

Abstract:

Described are electrolyte compositions comprising a fluorinated solvent, an organic carbonate, a sultone, and optionally a borate. The fluorinated solvent may be a fluorinated acyclic carboxylic acid ester, a fluorinated acyclic carbonate, a fluorinated acyclic ether, or mixtures thereof. The organic carbonate may be fluorinated or non-fluorinated. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

US Patent:

20170084951, Mar 23, 2017

Filed:

May 14, 2015

Appl. No.:

15/311330

Inventors:

- Wilmington DE, US
Kostantinos Kourtakis - Media PA, US
Jun J. Liu - Wilmington DE, US
Mark Gerrit Roelofs - Earleville MD, US

International Classification:

H01M 10/0567
H01M 4/525
H01M 4/505
H01M 4/485
H01M 10/0569
H01M 10/0525

Abstract:

Described herein are electrolyte compositions containing an organic carbonate, a fluorinated solvent, a cyclic sulfate, and at least one electrolyte salt. The cyclic sulfate can be represented by the formula:wherein each A is independently a hydrogen or an optionally fluorinated vinyl, allyl, acetylenic, propargyl, or C-Calkyl group. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

US Patent:

20140272555, Sep 18, 2014

Filed:

Mar 15, 2013

Appl. No.:

13/837378

Inventors:

- Wilmington DE, US
Jun J. Liu - Wilmington DE, US

International Classification:

H01M 4/485
H01M 4/36

US Classification:

429200, 429224, 429220, 429221, 429223, 2521821

Abstract:

A lithium ion battery cathode material, and an electrode prepared from such material, is described. The cathode material has a layered-spinel composite structure. The lithium ion battery operates at a high voltage (i.e. up to about 5 V) and has a desirably high cycling performance and rate capability.

US Patent:

20140248529, Sep 4, 2014

Filed:

Aug 31, 2012

Appl. No.:

14/241898

Inventors:

Xudong Chen - Hockessin DE, US
Jun J Liu - Wilmington DE, US
Mark Gerrit Roelofs - Earleville MD, US

Assignee:

E I DU PONT DE NEMOURS AND COMPANY - Wilmington DE

International Classification:

H01M 4/505

US Classification:

429163

Abstract:

A lithium ion battery that has a spinel cathode and a nonaqueous electrolyte comprising a fluorinated acyclic carboxylic acid ester and/or a fluorinated acyclic carbonate solvent is described. The lithium ion battery operates at a high voltage (i.e. up to about 5 V) and has improved cycling performance at high temperature.