Nalux Co., Ltd.

Other

Tetsuya Zenko

Keiji Ikemori

Daisuke Seki

Shogo Kawano

Kenta Ishii

Norifumi Kanai

Chang Shih-Yuan

A light guiding apparatus comprising: a light guiding substrate; a light receiving unit including first and second units provided on a surface of the substrate, the first and second units transmitting received rays along first and second paths in the substrate as first and second light beams, respectively; a first direction changing unit for the first light beam; a second direction changing unit for the second light beam; and a light emitting unit receiving the first and the second light beams, combining the beams for emission and provided on the surface, wherein on the surface the center of the minimum circle encompassing the first unit is located farther away from the light emitting unit than the center of the minimum circle encompassing the second unit and the first path runs through the portion of the substrate on which the second unit is provided.

Light guiding apparatus and method of producing the same

An imaging optical system wherein the number of lenses is three to seven, one to four lenses, each of which is an aspheric lens in which radius of curvature of each of both surfaces is infinity in the paraxial region and which has a power of the third-order aberration region in the peripheral area are provided, the first lens from the object side is a negative lens or the aspheric lens, the relationship

Imaging optical system

Growing community of inventors

Osaka, Japan

Tetsuya Zenko