To stably guide demultiplexed light of light from a light source to an optical detector.SOLUTION: An optical scanner according to an embodiment of the present invention comprises: a light source part having a plurality of light-emitting elements each for emitting a light beam with a different wavelength and a multiplexing element for multiplexing each emitted light beam from the plurality of light-emitting elements, and outputting the multiplexed light beam from the multiplexing element; demultiplexing means for demultiplexing the multiplexed light beam into at least a first light beam and a second light beam; light guide means for guiding the second light beam; an optical detector for detecting the amount of light of the second light beam via the guide light means; and a movable part supporting the demultiplexing means and the light guide means integrally and configured to be movable in a plane along the light receiving surface of the optical detector.SELECTED DRAWING: Figure 12
【課題】光源部からの光の分波光を光検出器に安定して導光すること。【解決手段】本発明の一態様に係る光走査装置は、波長の異なる光をそれぞれ射出する複数の発光素子と、前記複数の発光素子のそれぞれの射出光を合波する合波素子とを有し、前記合波素子による合波光を出力する光源部と、前記合波光を少なくとも第1の光と、第2の光に分波する分波手段と、前記第2の光を導光する導光手段と、前記導光手段を介して前記第2の光の光量を検出する光検出器と、前記分波手段と前記導光手段とを一体に支持し、前記光検出器の受光面に沿った平面内で移動可能に構成された可動部とを備える。【選択図】図12
OPTICAL SCANNER, HEAD-UP DISPLAY, AND MOVING BODY
光走査装置、ヘッドアップディスプレイ、及び移動体
2021-09-24
Patent
Elektronische Ressource
Japanisch
OPTICAL SCANNER, IMAGE DISPLAY DEVICE, HEAD-UP DISPLAY, AND MOVING BODY
Europäisches Patentamt | 2019
|OPTICAL SCANNER, IMAGE DISPLAY DEVICE, HEAD-UP DISPLAY, AND MOVABLE BODY
Europäisches Patentamt | 2019
|