To Enhance Light Extraction for Organic Light-Emitting Diodes by Body Modification of Substrate | Zendy

Jun Wang | Zendy; Chong Wang | Zendy; Yadong Jiang | Zendy

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To Enhance Light Extraction for Organic Light-Emitting Diodes by Body Modification of Substrate

Author(s) -

Jun Wang,

Chong Wang,

Yadong Jiang

Publication year - 2013

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2013/649564

Subject(s) - microlens , substrate (aquarium) , materials science , optoelectronics , photolithography , diode , oled , layer (electronics) , light emitting diode , surface modification , optics , nanotechnology , chemical engineering , lens (geology) , oceanography , physics , geology , engineering

A facile approach of body modification on substrate is introduced to enhance the light extraction for organic devices. The lateral metal reflective film (LMRF) was coated on side of substrate and microlens array (MLA) was fabricated on forward surface of substrate. The two methods of improving light output are simulated and optimized to form body modification. The metal thin film was evaporated on the side of reversal trapezoid shape substrate to form LMRF layer and the MLA with semicircle shape was fabricated on the substrate using normal photolithography process. The external quantum efficiency of fabricated organic device with body modification is ~1.8 times higher than the device with normal substrate

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