To provide a light source device which precisely dims adaptively to a light source including a plurality of wavelength components, an optical scanner, a display system, a moving body, a control method for light source device, and a wavelength estimation method which precisely estimates a wavelength of the light source including the plurality of wavelength components.SOLUTION: A light source device 11 comprises a plurality of light source elements 111(r), 111(g) and 111(b) which emit a plurality of laser light beams of mutually different color components, and a light output detection part 119 which detects light output of the plurality of light source elements, and a first light source element 111(g) included in the plurality of light source elements has nonlinear characteristics of relation between a weighted average wavelength obtained by weighting and averaging the plurality of wavelength components and the light outputs, and also controls a ratio of the respective light outputs of the plurality of light sources based upon a detection result of the light output detection part and the nonlinear characteristics.SELECTED DRAWING: Figure 13
【課題】複数の波長成分を含む光源に対応して精度良く調光する光源装置、光走査装置、表示システム、移動体および光源装置の制御方法、並びに複数の波長成分を含む光源の波長を精度良く推定する波長推定方法を提供すること。【解決手段】光源装置11は、それぞれ異なる色成分の複数のレーザ光を出力する複数の光源素子111(r),111(g)および111(b)と、複数の光源素子の光出力を検出する光出力検出部119と、を備え、複数の光源素子に含まれる第1の光源素子111(g)は、複数の波長成分を加重平均した加重平均波長と、光出力との関係が非線形特性を有しており、光出力検出部の検出結果と、非線形特性に基づき、複数の光源のそれぞれの光出力の比を制御する。【選択図】図13
LIGHT SOURCE DEVICE, OPTICAL SCANNER, DISPLAY SYSTEM, MOVING BODY, CONTROL METHOD FOR LIGHT SOURCE DEVICE, AND WAVELENGTH ESTIMATION METHOD
光源装置、光走査装置、表示システム、移動体、光源装置の制御方法および波長推定方法
2021-03-01
Patent
Electronic Resource
Japanese
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION |
LIGHT SOURCE DEVICE, OPTICAL SCANNER, DISPLAY SYSTEM, AND MOBILE OBJECT
European Patent Office | 2020
|LIGHT SOURCE DEVICE, OPTICAL SCANNER, DISPLAY SYSTEM, AND MOBILE OBJECT
European Patent Office | 2020
|Light source device, optical scanner, display system, and mobile object
European Patent Office | 2021
|LIGHT SOURCE APPARATUS, DISPLAY APPARATUS, AND MOVING BODY
European Patent Office | 2023
|