Integral imaging system using an electroluminescent film backlight for three-dimensional-two-dimensional convertibility and a curved structure.

We propose a thin and compact integral imaging system using electroluminescent (EL) films as backlight. EL film has the advantage that it can operate continuously even when it is cut or punctured. Using this characteristic, we generate an array of pinholes on EL film to form a point light-source array for reconstructing three-dimensional (3D) images based on integral imaging. The EL pinhole film is attached on another EL film and they are electrically controlled to generate a point light-source array or a surface light source; hence, the system converts between 3D and two-dimensional (2D) modes. Taking advantage of the flexibility of EL films, we also propose a flexible 3D/2D convertible integral imaging system with a wide viewing angle using a curved EL film. We explain the principle of the proposed methods and present experimental results.

[1]  T. Okoshi,et al.  Three-dimensional displays , 1980, Proceedings of the IEEE.

[2]  N Davies,et al.  Three-dimensional imaging systems: a new development. , 1988, Applied optics.

[3]  J Arai,et al.  Real-time pickup method for a three-dimensional image based on integral photography. , 1997, Applied optics.

[4]  F. Okano,et al.  Gradient-index lens-array method based on real-time integral photography for three-dimensional images. , 1998, Applied optics.

[5]  Sung-Wook Min,et al.  Three-dimensional display system based on computer-generated integral photography , 2001, IS&T/SPIE Electronic Imaging.

[6]  S. Min,et al.  Theoretical analysis for three-dimensional integral imaging systems with double devices. , 2002, Applied optics.

[7]  Malcolm McCormick,et al.  Continuous parallax in discrete pixelated integral three-dimensional displays. , 2003, Journal of the Optical Society of America. A, Optics, image science, and vision.

[8]  Sung-Wook Min,et al.  Enhanced three-dimensional integral imaging system by use of double display devices. , 2003, Applied optics.

[9]  Byoungho Lee,et al.  Depth‐enhanced integral‐imaging 3D display using different optical path lengths by polarization devices or mirror barrier array , 2004 .

[10]  Nobuhiko Hata,et al.  High-quality integral videography using a multiprojector. , 2004, Optics express.

[11]  B. Javidi,et al.  Integral imaging with improved depth of field by use of amplitude-modulated microlens arrays. , 2004, Applied optics.

[12]  Joohwan Kim,et al.  Depth-enhanced three-dimensional-two-dimensional convertible display based on modified integral imaging. , 2004, Optics letters.

[13]  S. Min,et al.  Viewing-angle-enhanced integral imaging system using a curved lens array. , 2004, Optics express.

[14]  Bahram Javidi,et al.  Multifacet structure of observed reconstructed integral images. , 2005, Journal of the Optical Society of America. A, Optics, image science, and vision.

[15]  Sung-Wook Min,et al.  Wide-viewing-angle integral three-dimensional imaging system by curving a screen and a lens array. , 2005, Applied optics.

[16]  Bahram Javidi,et al.  Formation of real, orthoscopic integral images by smart pixel mapping. , 2005, Optics express.

[17]  Amar Aggoun,et al.  Maximum viewing width integral image , 2005, J. Electronic Imaging.

[18]  Joohwan Kim,et al.  Three-dimensional electro-floating display system using an integral imaging method. , 2005, Optics express.

[19]  Joohwan Kim,et al.  A thin 3D-2D convertible integral imaging system using a pinhole array on a polarizer. , 2006, Optics express.

[20]  Joohwan Kim,et al.  Convertible two-dimensional-three-dimensional display using an LED array based on modified integral imaging. , 2006, Optics letters.

[21]  Sung-Wook Min,et al.  Three-Dimensional Display and Information Processing Based on Integral Imaging , 2006 .

[22]  Gilbae Park,et al.  Three-dimensional integral display using plastic optical fibers. , 2007, Applied optics.

[23]  Joohwan Kim,et al.  Point light source integral imaging with improved resolution and viewing angle by the use of electrically movable pinhole array. , 2007, Optics express.

[24]  Byoungho Lee,et al.  Three-dimensional-two-dimensional mixed display system using integral imaging with an active pinhole array on a liquid crystal panel. , 2008, Applied optics.

[25]  Byoungho Lee,et al.  A Thin 3D-2D Convertible Integral Imaging System Using a Pinhole Array on an Electroluminescent (EL) Sheet , 2008 .

[26]  Nicholas Sgouros,et al.  Effect of different traversal schemes in integral image coding. , 2008, Applied optics.

[27]  Eun-Soo Kim,et al.  Depth extraction of three-dimensional objects in space by the computational integral imaging reconstruction technique. , 2008, Applied optics.

[28]  Joohwan Kim,et al.  Thin-type integral imaging method with an organic light emitting diode panel. , 2008, Applied optics.