Patents-Review.com
ClassID:

105013 ⎘

C09K2211/1051 - CPC Classification

Classification description:

Chemical nature of organic luminescent or tenebrescent compounds; Non-macromolecular compounds; Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms with sulfur

Recent Application in this class:
#1
20260150576
2026-05-28

HETEROAROMATIC COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES

 #2
20260143961
2026-05-21

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #3
20260136823
2026-05-14

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #4
20260107675
2026-04-16

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #5
20260085080
2026-03-26

CYCLIC GERMANIUM COMPOUNDS AND APPLICATIONS THEREOF

 #6
20260082803
2026-03-19

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #7
20250374820
2025-12-04

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #8
20250347685
2025-11-13

DONOR-ACCEPTOR CONJUGATED OLIGOELECTROLYTES FOR CELL LABELLING AND METHODS THEREOF

 #9
20250236789
2025-07-24

SECOND NEAR-INFRARED ORGANIC FLUORESCENT PROBE, PREPARATION METHOD AND USE THEREOF

 #10
20250221297
2025-07-03

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #11
20250194405
2025-06-12

ORGANIC LIGHT EMITTING DIODE COMPRISING ORGANOMETALLIC COMPOUND AND VARIOUS TYPES OF HOST MATERIALS

 #12
20250136861
2025-05-01

ELECTROCHROMIC COMPOSITION AND ELECTROCHROMIC DEVICE

 #13
20250133955
2025-04-24

THERMALLY ACTIVATED DELAYED FLUORESCENCE (TADF) MATERIALS FOR HIGH EFFICIENCY ORGANIC PHOTOVOLTAICS

 #14
20250008834
2025-01-02

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #15
20240349589
2024-10-17

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #16
20240298518
2024-09-05

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #17
20240284692
2024-08-22

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME, AND COMPOSITION FOR ORGANIC MATERIAL LAYER OF ORGANIC LIGHT EMITTING DEVICE

 #18
20240271038
2024-08-15

NOVEL COMPOUND FOR LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING SAME

 #19
20240268216
2024-08-08

TETRADENTATE PLATINUM AND PALLADIUM COMPLEX EMITTERS CONTAINING PHENYL-PYRAZOLE AND ITS ANALOGUES

 #20
20240268214
2024-08-08

ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME

 #21
20240206209
2024-06-20

Light-Emitting Element, Display Device, Electronic Device, and Lighting Device

 #22
20240191132
2024-06-13

METAL ASSISTED DELAYED FLUORESCENT EMITTERS FOR ORGANIC LIGHT-EMITTING DIODES

 #23
20240172552
2024-05-23

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THE COMPOUND

 #24
20240057469
2024-02-15

Organic Electroluminescent Device

 #25
20230403932
2023-12-14

PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME

 #26
20230345825
2023-10-26

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #27
20230301183
2023-09-21

ORGANIC LIGHT EMITTING DEVICE

 #28
20230295104
2023-09-21

MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES

 #29
20230284515
2023-09-07

POLYCYCLIC AROMATIC DERIVATIVE COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT USING THE SAME

 #30
20230200209
2023-06-22

ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME

 #31
20230157170
2023-05-18

HETEROAROMATIC COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES

 #32
20230122208
2023-04-20

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #33
20230023959
2023-01-26

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #34
20220306834
2022-09-29

Polyolefin composition providing marking by fluorescence

 #35
20220267358
2022-08-25

CYCLIC GERMANIUM COMPOUNDS AND APPLICATIONS THEREOF

 #36
20220223803
2022-07-14

ORGANIC METAL COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THE COMPOUND

 #37
20220145173
2022-05-12

FLUORESCENT COMPOUNDS AND APPLICATION THEREOF

 #38
20220098185
2022-03-31

Disubstituted diaryloxybenzoheterodiazole compounds

 #39
20220045284
2022-02-10

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

 #40
20210408393
2021-12-30

Disubstituted diaryloxybenzoheterodiazole compounds

 #41
20210395271
2021-12-23

Composition for EL device

 #42
20210363420
2021-11-25

Metal assisted delayed fluorescent emitters for organic light-emitting diodes

 #43
20210351362
2021-11-11

Organic electroluminescent materials and devices

 #44
20210284902
2021-09-16

Electrochromic composite, electrochromic element comprising same, and manufacturing method for electrochromic element

 #45
20210238385
2021-08-05

POLYOLEFIN COMPOSITION PROVIDING MARKING BY FLUORESCENCE

 #46
20210111362
2021-04-15

Light-emitting element, display device, electronic device, and lighting device

 #47
20210111355
2021-04-15

Tetradentate platinum and palladium complex emitters containing phenyl-pyrazole and its analogues

 #48
20200350504
2020-11-05

Organic electroluminescent materials and devices

 #49
20200321543
2020-10-08

Organic electroluminescent compounds and devices

 #50
20200227653
2020-07-16

Light-Emitting Element, Light-Emitting Device, Display Device, Electronic Device, and Lighting Device

 #51
20200181485
2020-06-11

Near-infrared II polymer fluorescent microsphere and method for preparing same

 #52
20200010460
2020-01-09

Benzazole derivative having heteroaryl group and organic electroluminescence device including the same

 #53
20190393431
2019-12-26

Organic electroluminescent materials and devices

 #54
20190393367
2019-12-26

Highly-fluorescent and photo-stable chromophores for wavelength conversion

 #55
20190372030
2019-12-05

Organic electroluminescence device

 #56
20190372028
2019-12-05

Iridium complexes and their applications, as well as organic electroluminescent devices

 #57
20190341563
2019-11-07

Organic electroluminescent materials and devices

 #58
20190319194
2019-10-17

Organic electroluminescent materials and devices

 #59
20190284471
2019-09-19

WAVELENGTH CONVERSION FILMS WITH MULTIPLE PHOTOSTABLE ORGANIC CHROMOPHORES

 #60
20190248804
2019-08-15

Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes for organic electronic devices

 #61
20190237683
2019-08-01

Organic electroluminescent materials and devices

 #62
20190225632
2019-07-25

Cyclic germanium compounds and applications thereof

 #63
20190204703
2019-07-04

Single component electrochromic device having a tunable IR filter

 #64
20190173022
2019-06-06

Nitrogen-containing condensed cyclic compound and organic light emitting device using same

 #65
20190058138
2019-02-21

Organic electroluminescent materials and devices

 #66
20190023905
2019-01-24

Perylene bisimides with rigid 2,2′-biphenoxy bridges

 #67
20190019962
2019-01-17

Compound for organic electric element, organic electric element comprising the same, and electronic device thereof

 #68
20190013485
2019-01-10

Tetradentate platinum and palladium complex emitters containing phenyl-pyrazole and its analogues

 #69
20190013479
2019-01-10

Compound for organic-electric element, organic-electric element using same, and electronic device for same

 #70
20190010165
2019-01-10

CYANATED BENZOXANTHENE AND BENZOTHIOXANTHENE COMPOUNDS

 #71
20180331304
2018-11-15

Organic electroluminescent materials and devices

 #72
20180331291
2018-11-15

Organic electroluminescent materials and devices

 #73
20180327400
2018-11-15

Disubstituted diaryloxybenzoheterodiazole compounds

 #74
20180320015
2018-11-08

Security pigment, luminescent polymer resin and method for producing same

 #75
20180309067
2018-10-25

Organic electroluminescent materials and devices

 #76
20180287088
2018-10-04

Organic electroluminescent materials and devices

 #77
20180269405
2018-09-20

Compound for organic electric element, organic electric element comprising the same and electronic device thereof

 #78
20180265777
2018-09-20

Organic molecules for use in optoelectronic components

 #79
20180261786
2018-09-13

Organic electroluminescent materials and devices

 #80
20180248145
2018-08-30

ORGANIC LIGHT-EMITTING DEVICE

 #81
20180248053
2018-08-30

Highly-fluorescent and photo-stable chromophores for wavelength conversion

 #82
20180240988
2018-08-23

Organic electroluminescent materials and devices

 #83
20180230173
2018-08-16

Organic electroluminescent materials and devices

 #84
20180205032
2018-07-19

Organic electric element comprising compound for organic electric element and electronic device thereof

 #85
20180182975
2018-06-28

Delayed fluorescence compound for organic EL device and using the same

 #86
20180175308
2018-06-21

Organic electroluminescent materials and devices

 #87
20180130963
2018-05-10

Organic electroluminescent materials and devices

 #88
20180114484
2018-04-26

Organic light-emitting device and method of operating the same

 #89
20180105738
2018-04-19

Near-IR absorptive compounds and devices incorporating the same

 #90
20180097179
2018-04-05

Organic electroluminescent materials and devices

 #91
20180065980
2018-03-08

Cyanated benzoxanthene and benzothioxanthene compounds

 #92
20180044581
2018-02-15

Electrochromic compound, electrochromic composition, electrochromic element, and electrochromic dimming element

 #93
20180013077
2018-01-11

Organic electroluminescent materials and devices

 #94
20180006247
2018-01-04

Organic electroluminescent materials and devices

 #95
20170365793
2017-12-21

THIADIAZOLE-BASED COMPOUND, LIGHT EMITTING ELEMENT COMPOUND, LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AUTHENTICATION DEVICE, AND ELECTRONIC DEVICE

 #96
20170338421
2017-11-23

Organic electroluminescent materials and devices

 #97
20170331055
2017-11-16

Organic electroluminescent materials and devices

 #98
20170309828
2017-10-26

Fluorescent organic light emitting elements having high efficiency

 #99
20170271598
2017-09-21

Organic electroluminescent materials and devices

 #100
20170250350
2017-08-31

Disubstituted diaryloxybenzoheterodiazole compounds

 #101
20170250300
2017-08-31

Luminescent solar concentrator comprising disubstituted benzoheterodiazole compounds

 #102
20170237015
2017-08-17

Condensed cyclic compound and organic light-emitting device including the same

 #103
20170226413
2017-08-10

Electrochromic compound, electrochromic composition, display element, and dimming element

 #104
20170213984
2017-07-27

Nitrogen-containing condensed cyclic compound and organic light emitting device using same

 #105
20170200903
2017-07-13

Compound for organic electronic element, and organic electronic element and electronic device using same

 #106
20170179404
2017-06-22

Organic light-emitting device

 #107
20170168041
2017-06-15

Polymers And Oligomers With Aggregation-Induced Emission Characteristics For Imaging And Image-Guided Therapy

 #108
20170141337
2017-05-18

Light-emitting element, light-emitting device, authentication device, and electronic apparatus

 #109
20170110660
2017-04-20

Borylated compounds

 #110
20170082645
2017-03-23

Near-infrared fluorescent sensors for biological amines

 #111
20170054085
2017-02-23

Organic light-emitting device

 #112
20170040552
2017-02-09

Organic electroluminescent materials and devices

 #113
20170018721
2017-01-19

Organic electroluminescent materials and devices

 #114
20160359118
2016-12-08

[2.2]paracyclophane-derived donor/acceptor-type molecules for OLED applications

 #115
20160351829
2016-12-01

Light-emitting element, light-emitting device, display device, electronic device, and lighting device

 #116
20160336522
2016-11-17

Organic electroluminescent element, and lighting device and display device each using same

 #117
20160301014
2016-10-13

Organic electroluminescence device and electronic device

 #118
20160285007
2016-09-29

Organic conductive materials and devices

 #119
20160248014
2016-08-25

Azaborinine derivatives, their synthesis and use in organic electronic devices

 #120
20160240798
2016-08-18

Organic electroluminescent materials and devices

 #121
20160240713
2016-08-18

Luminescent solar concentrator comprising tetra-substituted benzoheterodiazole compounds

 #122
20160233433
2016-08-11

Compound for organic electric element, organic electric element comprising the same and electronic device thereof

 #123
20160197205
2016-07-07

Luminescent solar concentrator

 #124
20160172599
2016-06-16

Compound, organic electroluminescent element and electronic device

 #125
20160163997
2016-06-09

Delayed fluorescence compound, and organic light emitting diode and display device using the same

 #126
20160149139
2016-05-26

Organic electroluminescent materials and devices

 #127
20160118600
2016-04-28

Condensed cyclic compound and organic light emitting device including the same

 #128
20160108310
2016-04-21

WAVELENGTH CONVERSION FILMS WITH MULTIPLE PHOTOSTABLE ORGANIC CHROMOPHORES

 #129
20160099415
2016-04-07

Organic electroluminescent device based on neutral free-radical electroluminescent material

 #130
20160024119
2016-01-28

Electronic device comprising metal complexes

 #131
20150349272
2015-12-03

Compound for organic electric element, organic electric element comprising the same and electronic device thereof

 #132
20150340519
2015-11-26

Highly fluorescent and photo-stable chromophores for wavelength conversion

 #133
20150318497
2015-11-05

Organometallic compound and organic light-emitting device including the same

 #134
20150295186
2015-10-15

Materials for organic electroluminescent devices

 #135
20150287935
2015-10-08

Organic electroluminescent materials and devices

 #136
20150287932
2015-10-08

Thieno[2,3-C]Pyrrole-dione derivatives and their use for organic semiconductors

 #137
20150280140
2015-10-01

Benzindolocarbazole derivative, light-emitting element material produced using same, and light-emitting element

 #138
20150280138
2015-10-01

Thermally activated delayed fluorescence material, a method of synthesizing the same and an OLED device using the same

 #139
20150243913
2015-08-27

Organic electroluminescence device

 #140
20150236272
2015-08-20

Compound and organic electroluminescence device including thesame

 #141
20150228910
2015-08-13

Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device

 #142
20150214490
2015-07-30

Organic light-emitting compound and organic electroluminescent device using same

 #143
20150208483
2015-07-23

Infrared modulating electro-fluorescence device

 #144
20150194616
2015-07-09

Tetradentate platinum and palladium complex emitters containing phenyl-pyrazole and its analogues

 #145
20150171344
2015-06-18

Compound and organic electroluminescent device comprising the same

 #146
20150166581
2015-06-18

Cyclic germanium compounds and applications thereof

 #147
20150108449
2015-04-23

Organic electronic material and organic electroluminescent device

 #148
20150018549
2015-01-15

Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof

 #149
20140326981
2014-11-06

Heteroleptic copper complexes for optoelectronic uses

 #150
20140319504
2014-10-30

Organic electroluminescent materials and devices

 #151
20140235006
2014-08-21

Copper(I) complexes for optoelectronic devices

 #152
20140042370
2014-02-13

Materials for organic electroluminescent devices

 #153
20140034879
2014-02-06

Compounds for electronic devices

 #154
20130341608
2013-12-26

Composite material, light-emitting element, light-emitting device, and manufacturing method thereof

 #155
20130265628
2013-10-10

Reflective color display

 #156
20130204007
2013-08-08

Luminescent solar concentrator comprising disubstituted benzothiadiazole compounds

 #157
20130126787
2013-05-23

Photoluminescent compositions for spectrum converters with enhanced efficiency

 #158
20130099216
2013-04-25

Organic electroluminescent material, organic electroluminescent element, display device and lighting device

 #159
20130037784
2013-02-14

Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device

 #160
20130033172
2013-02-07

Organometallic compound and organic electroluminescence device employing the same

 #161
20120299474
2012-11-29

LIGHT EMITTING TETRAPHENYLENE DERIVATIVES, ITS METHOD FOR PREPARATION AND LIGHT EMITTING DEVICE USING THE SAME DERIVATIVES

 #162
20120267615
2012-10-25

Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic device

 #163
20120248423
2012-10-04

POLYMERIC MATERIAL AND POLYMERIC LUMINESCENT ELEMENT

 #164
20120190125
2012-07-26

Water-soluble silsesquioxanes as organic quantum dots for sensing and imaging

 #165
20120178928
2012-07-12

Organic electroluminescence device

 #166
20120169218
2012-07-05

Material for organic electroluminescence device, and organic electroluminescence device

 #167
20120153816
2012-06-21

Organic electroluminescence device

 #168
20120153273
2012-06-21

Material for organic electroluminescence device and organic electroluminescence device

 #169
20120007495
2012-01-12

Organic material and organic light emitting device including the same

 #170
20110309352
2011-12-22

Organic electroluminescent element, display device and lighting device

 #171
20110284799
2011-11-24

Metal complexes

 #172
20110253994
2011-10-20

COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME AND DISPLAY DEVICE INCLUDING THE SAME

 #173
20110114933
2011-05-19

NOVEL TRANSITION METAL COMPLEXES AND USE THEREOF IN ORGANIC LIGHT-EMITTING DIODES - IV

 #174
20110112275
2011-05-12

Materials for organic electroluminescence devices

 #175
20110098473
2011-04-28

Transition metal complexes and use thereof in organic light emitting diodes—III

 #176
20110089410
2011-04-21

Electronic device comprising metal complexes

 #177
20110073849
2011-03-31

Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and diimidazo[1,2-a:1',2'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof

 #178
20110050092
2011-03-03

Material for organic electroluminescence device and electroluminescence device

 #179
20100324306
2010-12-23

Electrochromic materials

 #180
20100295026
2010-11-25

Organic electroluminescent element, display device and lighting device

 #181
20100187517
2010-07-29

Organic EL device

 #182
20100171100
2010-07-08

Polymeric material and polymeric luminescent element

 #183
20100152455
2010-06-17

ORGANOMETALIC COMPOUNDS FOR ELECTROLUMINESCENCE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME

 #184
20100148663
2010-06-17

Blue emitter with high efficiency based on imidazo[1,2-f] phenanthridine iridium complexes

 #185
20100108993
2010-05-06

Block copolymer and polymer light-emitting device

 #186
20100051928
2010-03-04

Organic electroluminescence device

 #187
20100012929
2010-01-21

Organic thin film transistor device and organic thin film light-emitting transistor

 #188
20090302745
2009-12-10

Organic electroluminescence element material, organic electroluminescence element, display device and lighting apparatus

 #189
20090239000
2009-09-24

Organic electroluminescent element, display device and lighting device

 #190
20090236974
2009-09-24

Organic electroluminescent device, display and illuminating device

 #191
20090230386
2009-09-17

Benzobisthiazole compound, benzobisthiazole polymer, organic film including the compound or polymer and transistor including the organic film

 #192
20090184634
2009-07-23

Luminescence device and display apparatus

 #193
20090165860
2009-07-02

Electroluminescent device using electroluminescent compounds

 #194
20090165846
2009-07-02

Triplet emitter having condensed five-membered rings

 #195
20090140640
2009-06-04

Luminescent compounds with carbene ligands

 #196
20090108750
2009-04-30

Compound having thiadiazole ring structure substituted with pyridyl group and organic electroluminescent device

 #197
20090102370
2009-04-23

Compound, electroluminescent element containing the same, illuminating device and display device

 #198
20090091253
2009-04-09

ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE

 #199
20090079329
2009-03-26

Organic electroluminescent device

 #200
20090067030
2009-03-12

Green electrochromic materials

 #201
20090045725
2009-02-19

POLYARYLENE

 #202
20080297033
2008-12-04

Blue phosphorescent imidazophenanthridine materials

 #203
20080265210
2008-10-30

Electroluminescent Materials and Devices

 #204
20080238305
2008-10-02

White light emitting organic electroluminescent element and lighting device

 #205
20080194821
2008-08-14

Light Emitting Compound for Electroluminescent Applications

 #206
20080193797
2008-08-14

Materials for organic electroluminescent devices

 #207
20080096028
2008-04-24

Light-emitting electrochemical cell

 #208
20080076188
2008-03-27

Luminescent compounds

 #209
20070292717
2007-12-20

Organic electroluminescence device and display apparatus

 #210
20070262693
2007-11-15

Composite Material, Light-Emitting Element, Light-Emitting Device and Manufacturing Method Thereof

 #211
20070259207
2007-11-08

METAL COMPLEX, LIGHT-EMITTING DEVICE, AND IMAGE DISPLAY APPARATUS

 #212
20070243411
2007-10-18

Organic electroluminescence device

 #213
20070237983
2007-10-11

Electroluminescent materials and methods of manufacture and use

 #214
20070216294
2007-09-20

Luminescence device and display apparatus

 #215
20070212570
2007-09-13

Luminescence device and display apparatus

 #216
20070191587
2007-08-16

Polymeric, phosphorescent, organically semi-conductive emitter materials based on perarylated boranes, method for their production and use thereof

 #217
20070190359
2007-08-16

Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof

 #218
20070116981
2007-05-24

Single-layer organic EL device

 #219
20070020485
2007-01-25

Electroluminescent material, electroluminescent element and color conversion filter

 #220
20070013294
2007-01-18

White light-emitting electroluminescent device

 #221
20070009760
2007-01-11

Coordination metal compound, material for organic electroluminescence device, material for luminescent coating formation and organic electroluminescence device

 #222
20070007884
2007-01-11

Fluorescent complex and lighting system using the same

 #223
20060177694
2006-08-10

Luminescence device and display apparatus

 #224
20060134462
2006-06-22

Organometallic complex and organic electroluminescent devices utilizing the same

 #225
20060083944
2006-04-20

Organic electroluminescent device

 #226
20060052607
2006-03-09

Organic electroluminescent device

 #227
20060024522
2006-02-02

Luminescent compounds with carbene ligands

 #228
20050260445
2005-11-24

OLEDs utilizing macrocyclic ligand systems

 #229
20050260444
2005-11-24

OLEDs utilizing macrocyclic ligand systems

 #230
20050202565
2005-09-15

Luminescent compounds

 #231
20050202279
2005-09-15

Complex fluorene-containing compounds for use in OLED devices

 #232
20050123795
2005-06-09

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