[PDF] Top 20 Electrically tunable-focusing and polarizer-free liquid crystal lenses for ophthalmic applications

... Introduction For human eyes, the incident light passes through a cornea, a crystalline lens and retina of a human eye to form an ...Myopia and hypermetropia mainly result from anomaly of the length ... See full document

... aperture and polarizer-free liquid crystal lenses (LC lenses) based on a double-layered structure for ophthalmic applications are ...The ... See full document

... Taiwan Electrically tunable liquid crystal (LC) lenses have been studied for over 30 ...LC lenses hinder the applications: 1) the paradox between the response time ... See full document

... /LC lenses. 3. CONCLUSION We have reviewed the LC lenses in this ...The applications of LC lenses are versatile because the LC lenses possess the capability of tunable ... See full document

... with tunable lens power, and retina as an image ...anomalies and then result in myopia and ...lens and then affects the focusing abilities of the eyes, so-called amplitude of ... See full document

... Keywords: Liquid-crystal devices; Liquid-crystal lenses; Non-mechanical optical ...INTRODUCTION Electrically tunable optical zoom systems are essential for portable ... See full document

... projection lenses and the manual switching ...weight and electrically tunable focusing properties, we can replace the manually switchable projection lenses with ... See full document

... many lenses and a voice coil motor(VCM) to control the relative distance of ...The lenses are categorized as two groups: one is focusing group for focus function which means the image ... See full document

... layer and a LCPCF ...RM82), and photoini- tiator (Merck, IRG-184) at 30:69:1 wt% ratios into two ITO glass substrates coated with mechanically buffered ...mm, and the bottom ITO substrate was not ...) ... See full document

... Terms—Liquid crystal (LC) lens, projection system, zoom ...screen for portable devices such as cell phones, digital cameras, and tablet personal computers ...general: ... See full document

... Electrically tunable focusing liquid crystal 共LC兲 lens is important in cell phones, cameras, picoprojectors, and the night vision of hand-carried ...LC lenses are low ... See full document

... Structure and Operating Principles Figure 1 illustrates the structure of the electrically tunable pico projector using a LC lens as an active optical ...pre-polarizer and a polarizing ... See full document

... An electrically tunable-focusing optical zoom system using two composite LC lenses with a large zoom ratio is ...the electrically tunable focusing range of the negative ... See full document

... ABSTRACT Liquid crystal (LC) lenses offer novel opportunities for applications of ophthalmic lenses, camera modules, pico projectors, endoscopes, and optical zoom ... See full document

... broadband, electrically tunable polarizer based on an LC ...(e-ray) and an ordinary ray (o-ray) whose vibration directions are parallel and perpendicular to the alignment direction of ... See full document

... The electrically tunable focal length of LC lenses results from the gradient distribution of refractive indices due to the orientations of LC ...LC lenses need to be overcome. The requirement ... See full document

... Keywords: Liquid Crystal Lens, Lens Coupler, Variable Optical Attenuator, Polarizer ...The liquid crystal (LC) has been studied for many years, and a lot of related ... See full document

... issue for DEP or electrowetting in water-based devices, 2) small hysterisis, and 3) low power ...dielectric liquid to generate a pulling force which changes the contact angle of the ...The ... See full document

... surface free energies in terms of adjusting polarity of LC mol- ecules, fractions of LC materials, roughness of LCPCF, and the distribution of electric ...practical applications based on LCPCF ... See full document

... Keywords: Liquid crystal lens; Electrically tunable zoom lens; Focusing function; Zooming function ...An electrically tunable optical focusing and zooming ... See full document