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Analysis of the reflected image by the cylindrical concave surface of the mobile display
Author(s) -
Hong Hyungki
Publication year - 2014
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1002/jsid.231
Subject(s) - specular reflection , optics , reflection (computer programming) , position (finance) , curvature , magnification , surface (topology) , viewing angle , computer graphics (images) , display size , computer science , computer vision , physics , geometry , display device , mathematics , liquid crystal display , finance , economics , programming language , operating system
Abstract Reflection from the display surface affects the user's viewing experience. Cylindrical concave displays had been reported to be used for TV and mobile smart phone. The position and magnification of reflection at the curved mobile display were determined by the user's position and the focal distance of the cylindrical concave surface of the curved display. If the focal position of the curved surface was smaller or nearer to the user position, the enlarged reflection of the user would block the lights from the surrounding, and the curved display would be effective to reduce the inconvenience due to reflection. As the curvature of the cylindrical surface was different for the vertical and horizontal directions, the reflected image was not located at one distance. Hence, the refractive power of the eye of the user would be difficult to adjust to the position of the reflected image, and the reflected image would look defocused or hazed even for the display surface of the specular reflection.

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