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Electroluminescent device and a light emitting system

專利號
US10868267B2
公開日期
2020-12-15
申請人
City University of Hong Kong(HK Kowloon)
發(fā)明人
Chunyi Zhi; Guojin Liang
IPC分類
H01L51/50; H01L51/52; H01L51/56; H01L51/00; H01G11/32; H01G11/56; H01G11/86; H01G11/26; H01G11/10
技術(shù)領(lǐng)域
el,electrode,hydrogel,layer,device,in,self,repair,cut,paa
地域: Kowloon

摘要

An electroluminescent device including an electrode, the electrode being ionically conductive; an electroluminescence layer positioned adjacent or in contact with the electrode, the electroluminescence layer being electrically coupled to the electrode; the electroluminescence layer receiving electrical energy from the electrode and illuminating in response to received electrical energy, and wherein the electrode and the electroluminescence layer are repairable such that the function of the electrode and the electroluminescence layer is restored after a deformation.

說明書

The ionic crosslink structure is configured to dissipate energy when the electroluminescent energy is subjected to mechanical loads by rupturing the ionic bonds within the ionic crosslink structure. The breaking of these ionic bonds dissipates the energy from the mechanical loading. The ionic bonds are restored (i.e. reformed) once the mechanical loads are removed from the electroluminescent device. The covalent crosslink structure is configured to provide a bridging structure to maintain the physical boundaries of each electrode. The covalent bonds generally remain and do not break hence prevents the electrode from dissociating.

This alternative configuration of the first and second electrode can be used with the electroluminescence layer as disclosed above. In this alternative configuration the electroluminescent layer can comprise first and second electrodes as disclosed in this alternative configuration with an electroluminescence layer as described earlier.

The electroluminescent device is flexible in response to one or more of bending loads, torsion loads, tensile loads and compression loads, the electroluminescent device is flexible such that function of the electroluminescence device is maintained in response to any one or more of the loads. The electroluminescent device is flexible in response to all of the loads such that function of the electroluminescence device is maintained in response to all of the loads.

權(quán)利要求

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