To provide a diffusion member, a display device, a head-up display device, and a vehicle which can reduce unevenness of illuminance.SOLUTION: A diffusion member 30 includes an emission surface 30O for diffusing and transmitting light so as to emit the transmitted light to a display panel 13. The emission surface 30O includes: a first area 31a in which a haze value is set as a first haze value; and a second area 31b in which the haze value is set as a second haze value lower than the first haze value.SELECTED DRAWING: Figure 3

    【課題】照度のムラを減らすことができる拡散部材、表示装置、ヘッドアップディスプレイ装置及び乗物を提供する。【解決手段】拡散部材30は、光を拡散させつつ透過する出射面30Oを有し、透過した透過光を表示パネル13に放射する。出射面30Oは、ヘイズ値が第1ヘイズ値に設定される第1領域31aと、ヘイズ値が第1ヘイズ値より低い第2ヘイズ値に設定される第2領域31bと、を備える。【選択図】図3


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    Title :

    DIFFUSION MEMBER, DISPLAY DEVICE, HEAD-UP DISPLAY DEVICE, AND VEHICLE


    Additional title:

    拡散部材、表示装置、ヘッドアップディスプレイ装置及び乗物


    Contributors:

    Publication date :

    2024-02-06


    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



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