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Thermally activated delayed fluorescence material and organic light emitting diode display device

專利號(hào)
US11177442B1
公開(kāi)日期
2021-11-16
申請(qǐng)人
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.（CN Hubei）
發(fā)明人
Jiajia Luo; Qu Zhang
IPC分類
C09K11/06; C07D401/14; H01L51/00; H01L51/50
技術(shù)領(lǐng)域
mmol,delayed,thermally,1h,2h,organic,bottle,reaction,ml,neck
地域： Hubei

摘要

A thermally activated delayed fluorescent material includes a structural formula (I) as follows: and D1 and D2 are different electron donors. In addition, an organic light emitting diode display device includes an anode, a cathode, and an organic functional layer disposed between the anode and the cathode. The organic functional layer includes a thermally activated delayed fluorescent material, and the thermally activated delayed fluorescent material includes a structural formula (I).

說(shuō)明書(shū)

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In one embodiment, the D1 is selected one from the group consisting of

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In one embodiment, and the D2 has a structural formula (I) as follows:

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and the R3 is selected one from a hydrogen, a C1-C4 alkyl, an alkoxy, or an aryl.

In one embodiment, the D2 is selected one from the group consisting of

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An organic light emitting diode display device includes an anode, a cathode, and an organic functional layer disposed between the anode and the cathode, and the organic functional layer includes a thermally activated delayed fluorescent material, and the thermally activated delayed fluorescent material includes a structural formula (I) as follows:

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and the D1 is selected one from the group consisting of

權(quán)利要求

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