PROBLEM TO BE SOLVED: To mainly reduce attenuation of light caused by reflection to improve the lighting efficiency.SOLUTION: The invention relates to a display device 2 including: a display panel 4 which enables transmitted illumination; a light source 11 which lights the display panel 4 from the rear surface side; and a reflection member 13 which reflects light 12 from the light source 11 and guides the light to the display panel 4. The reflection member 13 has: a reflector part 14 enclosing an outer periphery of the light source 11; and an emission side edge part 15 facing the display panel 4 at the tip side of the reflector part 14. A single light source 11 or multiple light sources 11 are aligned and installed on a plane. The emission side edge part 15 has a recessed curve surface part 31 recessed to the light source 11 side in a side view.SELECTED DRAWING: Figure 7
【課題】主に、反射による光の減衰を減らして照明効率を向上し得るようにする。【解決手段】透過照明が可能な表示パネル4と、表示パネル4を裏面側から照明する光源11と、光源11からの光12を反射して表示パネル4へ導く反射部材13とを備えた表示装置2に関する。反射部材13が、光源11の外周を包囲するリフレクタ部14と、リフレクタ部14の先端側で表示パネル4に臨む出射側縁部15とを有している。光源11を、平面上に単数または複数並べて設置する。出射側縁部15は、側面視で光源11側へ凹む凹曲面部31を有するようにしている。【選択図】図7
REFLECTION MEMBER, VEHICLE DISPLAY DEVICE, AND LIGHTING METHOD OF VEHICLE DISPLAY DEVICE
反射部材、車両用表示装置およびその照明方法
2018-07-26
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von... / G09F DISPLAYING , Anzeigewesen |
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