Light extraction film with nanoparticle coatings

Optical waveguides – Planar optical waveguide – Thin film optical waveguide

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C385S031000, C257SE51021, C257SE33074

Reexamination Certificate

active

07957621

ABSTRACT:
A multifunctional optical film for enhancing light extraction includes a flexible substrate, a structured layer having nanoparticles of different sizes, and a backfill layer. The structured layer effectively uses microreplicated diffractive or scattering nanostructures located near enough to the light generation region to enable extraction of an evanescent wave from an organic light emitting diode (OLED) device. The backfill layer has a material having an index of refraction different from the index of refraction of the structured layer. The backfill layer also provides a planarizing layer over the structured layer in order to conform the light extraction film to a layer of an OLED display device. The film may have additional layers added to or incorporated within it to an emissive surface in order to effect additional functionalities beyond improvement of light extraction efficiency.

REFERENCES:
patent: 3739217 (1973-06-01), Bergh et al.
patent: 4080245 (1978-03-01), Yamanaka et al.
patent: 4374077 (1983-02-01), Kerfeld
patent: 4576850 (1986-03-01), Martens
patent: 4816717 (1989-03-01), Harper et al.
patent: 4842893 (1989-06-01), Yializis et al.
patent: 4856014 (1989-08-01), Figueroa et al.
patent: 5175030 (1992-12-01), Lu et al.
patent: 5271968 (1993-12-01), Coyle et al.
patent: 5405710 (1995-04-01), Dodabalapur et al.
patent: 5440446 (1995-08-01), Shaw et al.
patent: 5558740 (1996-09-01), Bernard et al.
patent: 5804919 (1998-09-01), Jacobsen et al.
patent: 5814416 (1998-09-01), Dodabalapur et al.
patent: 5834893 (1998-11-01), Bulovic et al.
patent: 5877895 (1999-03-01), Shaw et al.
patent: 5936347 (1999-08-01), Isaka et al.
patent: 5952778 (1999-09-01), Haskal et al.
patent: 5955837 (1999-09-01), Horikx et al.
patent: 5995690 (1999-11-01), Kotz et al.
patent: 6005137 (1999-12-01), Moore et al.
patent: 6010751 (2000-01-01), Shaw et al.
patent: 6015719 (2000-01-01), Kish, Jr. et al.
patent: 6125226 (2000-09-01), Forrest et al.
patent: 6133692 (2000-10-01), Xu et al.
patent: 6140764 (2000-10-01), Xu et al.
patent: 6217984 (2001-04-01), Bruxvoort et al.
patent: 6252253 (2001-06-01), Bao et al.
patent: 6278237 (2001-08-01), Campos
patent: 6322652 (2001-11-01), Paulson et al.
patent: 6329058 (2001-12-01), Arney et al.
patent: 6362566 (2002-03-01), Xu et al.
patent: 6392338 (2002-05-01), Hori et al.
patent: 6416838 (2002-07-01), Arney et al.
patent: 6432526 (2002-08-01), Arney et al.
patent: 6432546 (2002-08-01), Ramesh et al.
patent: 6441551 (2002-08-01), Abe et al.
patent: 6476550 (2002-11-01), Oda et al.
patent: 6504180 (2003-01-01), Heremans et al.
patent: 6512250 (2003-01-01), Koyama et al.
patent: 6605483 (2003-08-01), Victor et al.
patent: 6617784 (2003-09-01), Abe et al.
patent: 6638606 (2003-10-01), Yoshihara et al.
patent: 6640034 (2003-10-01), Charlton et al.
patent: 6657236 (2003-12-01), Thibeault et al.
patent: 6680578 (2004-01-01), Antoniadis et al.
patent: 6703780 (2004-03-01), Shiang et al.
patent: 6734624 (2004-05-01), Tada et al.
patent: 6771018 (2004-08-01), Toguchi et al.
patent: 6775448 (2004-08-01), Zoorab
patent: 6777070 (2004-08-01), Murata et al.
patent: 6777871 (2004-08-01), Duggal et al.
patent: 6778746 (2004-08-01), Charlton et al.
patent: 6787796 (2004-09-01), Do et al.
patent: 6831302 (2004-12-01), Erchak et al.
patent: 6857759 (2005-02-01), Lee et al.
patent: 6873099 (2005-03-01), Maeda
patent: 6888994 (2005-05-01), Baumberg et al.
patent: 6900457 (2005-05-01), Toguchi et al.
patent: 6901194 (2005-05-01), Charlton et al.
patent: 6924160 (2005-08-01), Wei et al.
patent: 6936100 (2005-08-01), Tadakuma
patent: 6952079 (2005-10-01), Shiang et al.
patent: 6959127 (2005-10-01), Zoorob
patent: 6965197 (2005-11-01), Tyan et al.
patent: 6967437 (2005-11-01), Samuel et al.
patent: 6975067 (2005-12-01), McCormick et al.
patent: 6984934 (2006-01-01), Möller et al.
patent: 6998775 (2006-02-01), Sugiura et al.
patent: 7012363 (2006-03-01), Weaver et al.
patent: 7030555 (2006-04-01), Nakamura et al.
patent: 7030556 (2006-04-01), Adachi et al.
patent: 7038373 (2006-05-01), Arnold et al.
patent: 7045195 (2006-05-01), Ozin et al.
patent: 7053547 (2006-05-01), Lu et al.
patent: 7084565 (2006-08-01), Cho et al.
patent: 7094122 (2006-08-01), Toguchi et al.
patent: 7102282 (2006-09-01), Yamada et al.
patent: 7109651 (2006-09-01), Nakamura et al.
patent: 7156942 (2007-01-01), McCormick et al.
patent: 7166010 (2007-01-01), Lamansky et al.
patent: 7245065 (2007-07-01), Ghosh et al.
patent: 7256541 (2007-08-01), Birnstock et al.
patent: 7264872 (2007-09-01), Walker, Jr. et al.
patent: 7391046 (2008-06-01), Tsutsumi et al.
patent: 7508130 (2009-03-01), Cok
patent: 2001/0026124 (2001-10-01), Liu et al.
patent: 2001/0033135 (2001-10-01), Duggal et al.
patent: 2002/0021445 (2002-02-01), Bozhevolnyi et al.
patent: 2002/0024051 (2002-02-01), Yamazaki et al.
patent: 2002/0045030 (2002-04-01), Ozin et al.
patent: 2003/0003300 (2003-01-01), Korgel et al.
patent: 2003/0031438 (2003-02-01), Kambe et al.
patent: 2003/0038596 (2003-02-01), Ho
patent: 2003/0098856 (2003-05-01), Li
patent: 2003/0141507 (2003-07-01), Krames et al.
patent: 2004/0004433 (2004-01-01), Lamansky et al.
patent: 2004/0012328 (2004-01-01), Arnold et al.
patent: 2004/0027062 (2004-02-01), Shiang et al.
patent: 2004/0033369 (2004-02-01), Fleming et al.
patent: 2004/0041164 (2004-03-01), Thibeault et al.
patent: 2004/0046499 (2004-03-01), Park et al.
patent: 2004/0080938 (2004-04-01), Holman et al.
patent: 2004/0169465 (2004-09-01), Do et al.
patent: 2004/0188689 (2004-09-01), Shono et al.
patent: 2004/0217702 (2004-11-01), Garner et al.
patent: 2004/0262614 (2004-12-01), Hack et al.
patent: 2005/0018431 (2005-01-01), Shiang
patent: 2005/0023967 (2005-02-01), Gotoh et al.
patent: 2005/0035346 (2005-02-01), Bazan et al.
patent: 2005/0035361 (2005-02-01), Peterson et al.
patent: 2005/0084994 (2005-04-01), Yamazaki et al.
patent: 2005/0116625 (2005-06-01), Park et al.
patent: 2005/0122035 (2005-06-01), Birnstock et al.
patent: 2005/0127832 (2005-06-01), Toguchi et al.
patent: 2005/0142379 (2005-06-01), Juni et al.
patent: 2005/0156512 (2005-07-01), Savvateev et al.
patent: 2005/0175796 (2005-08-01), Nakamura et al.
patent: 2005/0194896 (2005-09-01), Sugita et al.
patent: 2005/0206311 (2005-09-01), Bechtel et al.
patent: 2005/0231102 (2005-10-01), Chao et al.
patent: 2005/0285128 (2005-12-01), Scherer et al.
patent: 2006/0027815 (2006-02-01), Wierer, Jr. et al.
patent: 2006/0038190 (2006-02-01), Park et al.
patent: 2006/0043400 (2006-03-01), Erchak et al.
patent: 2006/0049745 (2006-03-01), Handa et al.
patent: 2006/0055319 (2006-03-01), Uemura et al.
patent: 2006/0062540 (2006-03-01), Zoorob et al.
patent: 2006/0063015 (2006-03-01), McCormick et al.
patent: 2006/0066220 (2006-03-01), Choong et al.
patent: 2006/0147674 (2006-07-01), Walker, Jr. et al.
patent: 2006/0151793 (2006-07-01), Nagai
patent: 2006/0174994 (2006-08-01), White
patent: 2006/0175961 (2006-08-01), Choong
patent: 2006/0186802 (2006-08-01), Cok et al.
patent: 2006/0186803 (2006-08-01), Lim et al.
patent: 2006/0215958 (2006-09-01), Yeo et al.
patent: 2006/0220539 (2006-10-01), Cok et al.
patent: 2006/0232195 (2006-10-01), Cok et al.
patent: 2006/0250084 (2006-11-01), Cok et al.
patent: 2006/0269733 (2006-11-01), Mizuno et al.
patent: 2006/0290272 (2006-12-01), Haenichen
patent: 2007/0007511 (2007-01-01), Choi et al.
patent: 2007/0013291 (2007-01-01), Cok et al.
patent: 2007/0020451 (2007-01-01), Padiyath et al.
patent: 2007/0063628 (2007-03-01), Cok et al.
patent: 2007/0063641 (2007-03-01), Cok et al.
patent: 2007/0124121 (2007-05-01), Freier
patent: 2007/0200496 (2007-08-01), Cok et al.
patent: 2007/0286994 (2007-12-01), Walker et al.
patent: 2008/0006819 (2008-01-01), McCormick et al.
patent: 2008/0018231 (2008-01-01), Hirakata
patent: 2008/0035936 (2008-02-01), Lester
patent: 2008/0084150 (2008-04-01), Cok
patent: 2008/0107993 (2008-05-01), Wolk et al.
patent: 2008/0272367 (2008-11-01), Cok
patent: 2008/0272689 (2008-11-01), Ide et al.
patent: 2008/0277680 (2008-11-01), Bertram et al.
patent: 2008/0284320 (2008-11-01), Karkkainen
patent: 2009/027299

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Light extraction film with nanoparticle coatings does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light extraction film with nanoparticle coatings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light extraction film with nanoparticle coatings will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2682564

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.