Patent ID: 9507154
Filing Date: 2016-11-29
CPC Classification: G02B

Claim Text:
1. A virtual image display apparatus, comprising: a video element which generates video light; a splitter portion which transmits and reflects at least a part of the video light from the video element; and a light guiding member which has a light collecting mirror portion that collects the video light via the splitter portion and folds back the light to the splitter portion, and emits the video light via the splitter portion and the light collecting mirror portion to an observer side, wherein the light guiding member has at least one correction lens surface which corrects a chromatic aberration of magnification of the passed video light, wherein the light guiding member includes a prism having a first block part adjacent a second block part, the first and second block parts having, along an axis transverse to a direction of eyes of an observer, inclined surfaces facie each other, wherein the at least one correction lens surface is a side surface of the second block part having a spherical surface or aspherical surface of the prism with an opposite surface thereto of the prism along the axis being part of the first block part having a curved shape, and wherein the at least one correction lens surface being a light incident surface that causes video light from a second prism to be incident thereon and corrects the video light to correct the chromatic aberration of magnification.