Abstract: There is provided a Fresnel lens capable of restraining flare from occurring. Each of a plurality of prisms (11) of a Fresnel lens (10) has an effective surface (Es) and a noneffective surface (Ns). In each of the prisms (11), the noneffective surface (Ns) has a first noneffective surface (Ns1) and a second noneffective surface (Ns2) that is closer to a crest (11c) of the prism (11) than the first noneffective surface (Ns1). The first noneffective surface is inclined to an optical axis (Z1).

Abstract: An information processing apparatus provided with a display portion including a plurality of sub-pixels every pixel, connected to an output apparatus for presenting an image displayed on the display portion to a user through a lens, and producing the image to be displayed on the display portion receives source image data becoming an object of display, obtains a corresponding pixel on the source image data by information on a position of the sub-pixel and a predetermined conversion expression every sub-pixel included in a pixel with respect to the respective pixels constituting corrected image data, and determines luminances of the respective sub-pixels based on a pixel value of the pixel on the source image obtained every sub-pixel, thereby producing the corrected image data.

Abstract: To solve a problem that when there is an error in a mounting position in mounting a lens and thus an optical axis of the lens and a center of a display is shifted, centers of images seen by the left and right eyes of a user individually, are shifted and thus an intended sense of distance cannot be presented to the user. An output apparatus includes a display portion including a plurality of sub-pixels every pixel, and a lens arranged on a display surface side of the display portion, and outputs information on an assembly error representing position shift between an optical axis of the lens and a center of the display portion. An information processing apparatus produces corrected image data obtained by correcting image data becoming an object of display based on the information on the assembly error output from the output apparatus.

Abstract: To solve a problem that when there is an error in a mounting position in mounting a lens and thus an optical axis of the lens and a center of a display is shifted, centers of images seen by the left and right eyes of a user individually, are shifted and thus an intended sense of distance cannot be presented to the user. An output apparatus includes a display portion including a plurality of sub-pixels every pixel, and a lens arranged on a display surface side of the display portion, and outputs information on an assembly error representing position shift between an optical axis of the lens and a center of the display portion. An information processing apparatus produces corrected image data obtained by correcting image data becoming an object of display based on the information on the assembly error output from the output apparatus.

Abstract: With an image display apparatus, such as a head-mounted display, the eyes of a user observe an image displayed on a display panel through an eyepiece in an enlarged manner. A microlens array sheet that is one example of an optical element functioning as an optical lowpass filter is inserted in an optical path running from the display panel to the eyepiece.

Abstract: With an image display apparatus, such as a head-mounted display, the eyes of a user observe an image displayed on a display panel through an eyepiece in an enlarged manner. A microlens array sheet that is one example of an optical element functioning as an optical lowpass filter is inserted in an optical path running from the display panel to the eyepiece.

Abstract: An information processing apparatus provided with a display portion including a plurality of sub-pixels every pixel, connected to an output apparatus for presenting an image displayed on the display portion to a user through a lens, and producing the image to be displayed on the display portion receives source image data becoming an object of display, obtains a corresponding pixel on the source image data by information on a position of the sub-pixel and a predetermined conversion expression every sub-pixel included in a pixel with respect to the respective pixels constituting corrected image data, and determines luminances of the respective sub-pixels based on a pixel value of the pixel on the source image obtained every sub-pixel, thereby producing the corrected image data.

Abstract: To solve a problem that when there is an error in a mounting position in mounting a lens and thus an optical axis of the lens and a center of a display is shifted, centers of images seen by the left and right eyes of a user individually, are shifted and thus an intended sense of distance cannot be presented to the user. An output apparatus (12) includes a display portion including a plurality of sub-pixels every pixel, and a lens arranged on a display surface side of the display portion, and outputs information on an assembly error representing position shift between an optical axis of the lens and a center of the display portion. An information processing apparatus (11) produces corrected image data obtained by correcting image data becoming an object of display based on the information on the assembly error output from the output apparatus.

Abstract: An optical device includes a transparent substrate, and a multi-layer film including a dielectric film having a multi-layer structure formed on the transparent substrate, and a transparent conductive thin film having a predetermined thickness formed at a part of the dielectric film. The transparent conductive thin film may be formed at the outermost layer of the dielectric film and may have a thickness of 5 to 20 nm.

Abstract: An optical device includes a transparent substrate, and a multi-layer film including a dielectric film having a multi-layer structure formed on the transparent substrate, and a transparent conductive thin film having a predetermined thickness formed at a part of the dielectric film. The transparent conductive thin film may be formed at the outermost layer of the dielectric film and may have a thickness of 5 to 20 nm.

Abstract: 2-phenylpyridine derivatives having the general formula: ##STR1## wherein Y is ##STR2## and Z is a straight chain alkyl group having from 1 to 16 carbon atoms, ##STR3## R' is a straight chain alkyl group having from 2 to 12 carbon atoms, R.sup.2 is a straight chain alkyl group having from 1 to 12 carbon atoms, n is an integer from 1 to 10 and * is an asymmetric carbon are provided. The derivatives are stable, have low viscosity, excellent electro-optical response properties and broaden the ferroelectric temperature range when added to ferroelectric liquid crystal compositions.