P‐175: Development of Anti‐UV Structures for OLED Displays

Sunlight/UV (ultraviolet)-induced degradation is still a critical issue for outdoor applications of organic light-emitting diode (OLED) displays. Therefore, effective UV-blocking structures that can prevent OLED displays from sunlight/UV degradation and still keep the OLED panels’ display performance is necessary. In this report, modified distributed Bragg reflector (DBR) structures having UV-absorbing dielectric materials and adjusted layer/pair thicknesses were developed to realize effective UV blocking properties (nearly 0% transmittance below 400 nm), constantly high transmittance like glass in the visible range (∼92%) required for display applications, and sharp transition in transmission between the UV and the visible ranges. Furthermore, under the rigorous IEC 60068-2-5 solar test condition, it was verified that the developed modified, UV-blocking DBR can effectively enhance the OLED panel’s resistance against UV/solar-induced degradation, effectively reducing voltage shifts of OLED devices after repeated solar test cycles.

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Modified distributed Bragg reflector for protecting organic light-emitting diode displays against ultraviolet light

Lin

Lee

Wang

et al. 2021

Opt. Express

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P‐175: Development of Anti‐UV Structures for OLED Displays

Cited by 1 publication

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Modified distributed Bragg reflector for protecting organic light-emitting diode displays against ultraviolet light

Modified distributed Bragg reflector for protecting organic light-emitting diode displays against ultraviolet light

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