CN114902440A - 蓝光oled器件、显示面板和显示装置 - Google Patents
蓝光oled器件、显示面板和显示装置 Download PDFInfo
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- CN114902440A CN114902440A CN202080002217.XA CN202080002217A CN114902440A CN 114902440 A CN114902440 A CN 114902440A CN 202080002217 A CN202080002217 A CN 202080002217A CN 114902440 A CN114902440 A CN 114902440A
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- Prior art keywords
- blue light
- blue
- dopant
- oled device
- light emitting
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- 239000002019 doping agent Substances 0.000 claims abstract description 64
- 238000004770 highest occupied molecular orbital Methods 0.000 claims abstract description 44
- 239000000126 substance Substances 0.000 claims description 35
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 18
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 12
- 235000010290 biphenyl Nutrition 0.000 claims description 9
- 239000004305 biphenyl Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 230000005525 hole transport Effects 0.000 claims description 7
- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 52
- 239000000463 material Substances 0.000 description 13
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000002346 layers by function Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 1
- DFGKGUXTPFWHIX-UHFFFAOYSA-N 6-[2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]acetyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)C1=CC2=C(NC(O2)=O)C=C1 DFGKGUXTPFWHIX-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005524 hole trap Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/30—Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
本发明提供蓝光OLED器件、显示面板和显示装置。该蓝光OLED器件包括蓝色发光层，所述蓝色发光层包括蓝光发光主体(BH)和蓝光掺杂剂(BD)，其中，所述蓝光发光主体和所述蓝光掺杂剂的HOMO能级差值小于等于0.9eV；基于所述发光层的总质量，所述蓝光掺杂剂的含量小于等于6％。由此，蓝光掺杂剂的HOMO与蓝光发光主体的HOMO相差不大，蓝光掺杂剂不会因为捕捉太多空穴而造成空穴迁移率显著降低，所以蓝光掺杂剂在上述掺杂比例的条件下，可以有效延长蓝光OLED器件的寿命。
Description
PCT国内申请，说明书已公开。
Claims (13)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/119267 WO2022067630A1 (zh) | 2020-09-30 | 2020-09-30 | 蓝光oled器件、显示面板和显示装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114902440A true CN114902440A (zh) | 2022-08-12 |
Family
ID=80951126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080002217.XA Pending CN114902440A (zh) | 2020-09-30 | 2020-09-30 | 蓝光oled器件、显示面板和显示装置 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114902440A (zh) |
| WO (1) | WO2022067630A1 (zh) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918261A (zh) * | 2004-02-17 | 2007-02-21 | 伊斯曼柯达公司 | 具有各种掺杂剂的蒽衍生物主体 |
| CN101490207A (zh) * | 2006-07-11 | 2009-07-22 | 默克专利有限公司 | 用于有机电致发光器件的新材料 |
| US20090227765A1 (en) * | 2004-10-22 | 2009-09-10 | Cambridge Display Technology Limited | Monomer for making a crosslinked polymer |
| CN102437290A (zh) * | 2011-09-28 | 2012-05-02 | 昆山维信诺显示技术有限公司 | 一种有机电致发光显示器用蓝光器件及其制备方法 |
| CN111440204A (zh) * | 2018-12-29 | 2020-07-24 | 江苏三月科技股份有限公司 | 一种含有硼的有机电致发光材料及其在有机电致发光器件上的应用 |
| CN111592464A (zh) * | 2019-02-20 | 2020-08-28 | 常州强力电子新材料股份有限公司 | 含螺二芴结构的有机化合物及其应用 |
-
2020
- 2020-09-30 CN CN202080002217.XA patent/CN114902440A/zh active Pending
- 2020-09-30 WO PCT/CN2020/119267 patent/WO2022067630A1/zh active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918261A (zh) * | 2004-02-17 | 2007-02-21 | 伊斯曼柯达公司 | 具有各种掺杂剂的蒽衍生物主体 |
| US20090227765A1 (en) * | 2004-10-22 | 2009-09-10 | Cambridge Display Technology Limited | Monomer for making a crosslinked polymer |
| CN101490207A (zh) * | 2006-07-11 | 2009-07-22 | 默克专利有限公司 | 用于有机电致发光器件的新材料 |
| CN102437290A (zh) * | 2011-09-28 | 2012-05-02 | 昆山维信诺显示技术有限公司 | 一种有机电致发光显示器用蓝光器件及其制备方法 |
| CN111440204A (zh) * | 2018-12-29 | 2020-07-24 | 江苏三月科技股份有限公司 | 一种含有硼的有机电致发光材料及其在有机电致发光器件上的应用 |
| CN111592464A (zh) * | 2019-02-20 | 2020-08-28 | 常州强力电子新材料股份有限公司 | 含螺二芴结构的有机化合物及其应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022067630A1 (zh) | 2022-04-07 |
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