Low cell gap polymeric liquid crystal lens for 2-D/3-D switchable auto-stereoscopic display

Byung June Mun, Ji Ho Baek, Joun Ho Lee, Byeong Koo Kim, Hyun Chul Choi, Jae-Hoon Kim, Gi Dong Lee

Research output: Contribution to journalArticle

4 Scopus citations


We propose a planar polymeric liquid crystal (LC) lens with a low cell gap (4.6}μm for a 2-D/3-D switchable auto-stereoscopic display. The proposed lens consists of two LC layers, one is a photopolymerized LC lens layer with a non-uniform refractive index with parabolic curve distribution, and the other is a half-wave LC switching layer of the vertical alignment type, which performs the 2-D/3-D image switching. The optimized refractive index of the LC lens layer was simply realized by polymerizing the LC molecules using a reactive mesogen. The proposed LC lens allow fast 2-D/3-D switching with low voltage and a simple fabrication process because of a low cell gap of the switching layer. We verified the electro-optical characteristics of the proposed LC lens by fabricating each layer after optimizing the cell structure. The measured focal length as a function of the applied voltage in the 3-D mode was compared with the calculated focal length and we confirmed that the measured results agreed with the calculated results.

Original languageEnglish
Article number6576886
Pages (from-to)3430-3434
Number of pages5
JournalIEEE Transactions on Electron Devices
Issue number10
StatePublished - 2013 Aug 19


  • 2-d/3-d switching mode
  • Effective refractive index
  • Focal length
  • Low cell gap
  • Planar polymeric liquid crystal (pplc) lens

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