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Articles by Jee Hoon Sim
Scalable fabrication of high-EQE stretchable OLEDs enabled by residue-controlled laser patterning
Abstract With growing interest in free-form displays, stretchable OLEDs have attracted significant attention. Among various approaches, the island–interconnector architecture is widely adopted for its compatibility with well-established materials that ensure high performance and reliability.
3D height-alternant island arrays for stretchable OLEDs with high active area ratio and maximum strain - Nature Communications
Abstract Stretchable optoelectronic devices are typically realized through a 2D integration of rigid components and elastic interconnectors to maintain device performance under stretching deformation. However, such configurations inevitably sacrifice the area ratio of active components to enhance the maximum interconnector strain.
Stretchable OLEDs based on a hidden active area for high fill factor and resolution compensation - Nature Communications
Abstract Stretchable organic light-emitting diodes (OLEDs) have emerged as promising optoelectronic devices with exceptional degree of freedom in form factors. However, stretching OLEDs often results in a reduction in the geometrical fill factor (FF), that is the ratio of an active area to the total area, thereby limiting their potential for a broad range of applications.
OLED catheters for inner-body phototherapy: A case of type 2 diabetes mellitus improved via duodenal photobiomodulation
Published In Science Advances Volume 9 | Issue 35 September 2023 Article versions Submission history Received: 18 March 2023 Accepted: 1 August 2023 Permissions See the Reprints and Permissions page for information about permissions for this article. Acknowledgments We would like to express our sincere gratitude to B. Il Choi of the Korea Research Institute of Standards and Science (KRISS) for the valuable contributions.
Novel biconvex structure electrowetting liquid lenticular lens for 2D/3D convertible display
Dioptric power is the most important factor for measuring the optical power of a lens application, and can be used to quantitatively interpret the quality of a three-dimensional image15. To measure the dioptric power of the fabricated electrowetting lenticular lens, the completed sample was placed on black stripe patterned paper, as shown in Fig. 5a. A back light unit (BLU) emitting white light was placed under this paper.
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