公开(公告)号：US20180284449A1

公开(公告)日：2018-10-04

申请号：US15924910

申请日：2018-03-19

Applicant: SEIKO EPSON CORPORATION

Inventor： Takeshi SHIMIZU ,  Makiko HINO ,  Shuichi WAKABAYASHI

IPC: G02B27/01 ,  G02B27/14 ,  G02B27/28

Abstract: The image display apparatus includes a light attenuation section that reflects a portion of light emitted from a light source and a scanning section that scans the light reflected by the light attenuation section. The light attenuation section transmits a portion of light emitted from the light source. The light attenuation section has reflectance and transmittance and the reflectance is smaller than the transmittance. The image display apparatus further includes a light receiving element on which the light transmitted through the light attenuation section is incident. The image display apparatus also includes a control section that controls activation of the light source in accordance with detection results of the light receiving element.