To make it difficult for an observer to visually recognize images with low display quality while improving light utilization efficiency.SOLUTION: A light source element 60 has a plurality of partial areas D and selectively emits illumination light for each partial area D. A light modulator 51 modulates illumination light incident from the light source element 60 to emit as display light. A focusing optical system focuses illumination light emitted from different partial areas D toward different areas in an eye box for each display light modulated by the light modulator 51, and, in reducing the brightness of a virtual image, executes 1) emission area expansion processing of expanding an emission area DM from a first emission area DM1 to a second emission area DM2, and (2) optical intensity reduction processing of reducing the optical intensity of at least part of the first emission area DM1.SELECTED DRAWING: Figure 12
【課題】光利用効率を向上させつつ、観察者に表示品位の低い画像を視認させにくくする。【解決手段】光源素子60は、複数の部分領域Dを有し、部分領域D毎に選択的に照明光を出射し、光変調素子51は、光源素子60から入射した照明光を変調して表示光として出射し、集光光学系は、異なる部分領域Dから出射された照明光が光変調素子51により変調された表示光毎に、アイボックス内の異なる領域に向けて集光させ、虚像の輝度を低下させる際、1)発光領域DMを、第1の発光領域DM1から第2の発光領域DM2に拡大する発光面積拡大処理と、2)第1の発光領域DM1の少なくとも一部の光強度を低くする光強度低下処理と、を実行する。【選択図】 図12
DISPLAY CONTROLLER, HEAD-UP DISPLAY DEVICE, AND DISPLAY CONTROL METHOD
表示制御装置、ヘッドアップディスプレイ装置及び、表示制御方法
2022-09-06
Patent
Electronic Resource
Japanese
IPC: | H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / G09F DISPLAYING , Anzeigewesen |
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