PROBLEM TO BE SOLVED: To provide a display board being hardly recognized even if a tone jump phenomenon occurs.SOLUTION: A display device comprises: a liquid crystal cell that includes a display part 41 in which a transmission state and a non-transmission state are changed over by selective voltage application to a space between a pair of transparent electrodes; a light source that illuminates the liquid crystal cell; and a transmission-type reflection plate that is disposed between the light source and the liquid crystal cell, reflects incident light passing through the liquid crystal cell and entering from a front side to a liquid crystal cell side, and passes backlight from the light source to the liquid crystal cell side. The transmission-type reflection plate includes: a transmissive first coloring part that colors a background of the display part 41; and a second coloring part that is continuously arranged at a predetermined space. The first coloring part includes a dot coloring part in which size of a dot gradually varies.SELECTED DRAWING: Figure 3


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    Titel :

    表示装置


    Erscheinungsdatum :

    2016-09-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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 / 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... / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein