2018
DOI: 10.1364/oe.26.009254
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Large aperture liquid crystal lens array using a composited alignment layer

Abstract: A liquid crystal (LC) lens array with high light control power and a large aperture using a composited alignment layer is proposed. In our design, the alignment layer is not only used for getting a uniform arrangement of LC molecule, but also for getting a lens-like refractive index distribution in the LC layer when a voltage is applied. Through simple technology processes, a tunable focal length LC lens array with a millimeter scale diameter can be achieved. Furthermore, the maximum phase difference of the pr… Show more

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Cited by 40 publications
(11 citation statements)
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“…This technique has been used extensively to produce LC microlenses; however, the main challenge is the necessary thickness of these elements. An array of LC lenses with diameters of 1.2 mm is demonstrated in [141]. The optical power can be switched from +100 to +50 diopters for voltages ranging from 11 to 14 V RMS , respectively.…”
Section: Patterned Electrodementioning
confidence: 99%
“…This technique has been used extensively to produce LC microlenses; however, the main challenge is the necessary thickness of these elements. An array of LC lenses with diameters of 1.2 mm is demonstrated in [141]. The optical power can be switched from +100 to +50 diopters for voltages ranging from 11 to 14 V RMS , respectively.…”
Section: Patterned Electrodementioning
confidence: 99%
“…When the luminous efficiency of OLED is constant, the light-mixing effect will produce negative influence at small viewing angles on account of a large amount of incident light is scattered to large viewing angles. The light control power can be electronically controlled by a liquid crystal lens [31], so the display performance of small and large viewing angles can be transformed for display devices, as the lens-like liquid crystal cell has been applied to LCDs or OLEDs [7].…”
Section: Introductionmentioning
confidence: 99%
“…Specifically, among the three main designs, the plenoptic camera based on the MLA has a very promising development prospect due to its small size, low cost, and light-field acquisition in a single photographic exposure. Recently, liquid-crystal microlens array (LCMLA)-based plenoptic cameras have attracted a lot of research interest [16][17][18][19], which is owed to the advantages of easy integration with other devices, 2D/3D switchability, ease of manufacture [18][19][20][21][22][23], and, most important, excellent tunability due to the redistribution of liquid-crystal (LC) molecules in the applied electric field [24][25][26][27][28][29][30][31][32][33][34][35][36][37]. Such an excellent tunability enables 2D/3D switchable modes and an extended DOF for LCMLA-based plenoptic cameras [17,18,30].…”
Section: Introductionmentioning
confidence: 99%