WO2024130570 - LIGHT EMITTING DIODE AND DISPLAY APPARATUS
National phase entry:
Publication Number
WO/2024/130570
Publication Date
27.06.2024
International Application No.
PCT/CN2022/140541
International Filing Date
21.12.2022
Title **
[English]
LIGHT EMITTING DIODE AND DISPLAY APPARATUS
[French]
DIODE ÉLECTROLUMINESCENTE ET APPAREIL D'AFFICHAGE
Applicants **
BOE TECHNOLOGY GROUP CO., LTD.
Inventors
CHEN, Lei
WANG, Dan
CHEN, Xueqin
QIU, Lixia
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
| * | |
International Searching Authority |
CNIPA
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| 译文 |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2210 | |
| EPO | Filing, Examination, Granting | 14992 | |
| Japan | Filing, Examination, Granting | 2413 | |
| South Korea | Filing, Examination, Granting | 2518 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
26,873
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
A light emitting diode is provided. The light emitting diode includes a hole injection layer; and at least one of a hole transport layer or an electron barrier layer. The hole injection layer includes a host material doped with a guest material. The host material includes an aromatic material having one or more large steric hindrance groups.[French]
L'invention concerne une diode électroluminescente. La diode électroluminescente comprend une couche d'injection de trous ; et au moins une couche parmi une couche de transport de trous ou une couche barrière aux électrons. La couche d'injection de trous comprend un matériau hôte dopé avec un matériau invité. Le matériau hôte comprend un matériau aromatique ayant un ou plusieurs grands groupes à encombrement stérique.