PROBLEM TO BE SOLVED: To provide an image drawing device, head-up display and image luminance adjustment method that can suppress reduction in drawing image quality arising from irradiation of laser light for detection of an output value of a laser light source.SOLUTION: An image drawing device 1 of the present invention comprises: a light source unit 11 that emits laser light; a detection unit 13 that detects intensity of the laser light; an optical scanner 12 that scans the laser light emitted from the light source unit 11, in which in a scan area where the optical scanner 12 scans, a drawing image based on input image data is created by scanning of the optical scanner 12,; a light source drive unit 73 that controls the light source unit 11 so that characteristic detection laser light for the detection of the intensity of the laser light is emitted at a position and pattern corresponding to a drawing content of the drawing image; and an adjustment unit 74 that adjusts an output of the laser light on the basis of a detection value of the characteristic detection laser light detected by the detection unit 13.SELECTED DRAWING: Figure 1

    【課題】レーザ光源の出力値を検出するためのレーザ光の照射に起因する描画画像の品質低下を抑制できる画像描画装置、ヘッドアップディスプレイ及び画像輝度調整方法を提供すること。【解決手段】本発明の画像描画装置1は、レーザ光を出射する光源部11と、レーザ光の強度を検出する検出部13と、光源部11から出射されたレーザ光を走査する光スキャナ12と、光スキャナ12が走査するスキャンエリア内に、入力画像データに基づく描画画像が光スキャナ12の走査によって生成され、レーザ光の強度を検出するための特性検出レーザ光が描画画像の描画内容に対応する位置及びパターンで出射されるように光源部11を制御する光源駆動部73と、検出部13が検出した特性検出レーザ光の検出値に基づきレーザ光の出力を調整する調整部74と、を備える。【選択図】図1


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    Title :

    IMAGE DRAWING DEVICE, HEAD-UP DISPLAY AND IMAGE LUMINANCE ADJUSTMENT METHOD


    Additional title:

    画像描画装置、ヘッドアップディスプレイ及び画像輝度調整方法


    Contributors:

    Publication date :

    2016-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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