An exit angle range is limited for a portion of the exit light. The lighting device (12) comprises: a first light source (26); a first light guide plate (27) having a second main surface (27C); a second light source (20); a second light guide plate (21) having a fourth main surface (21C); a third light source (13); the main surfaces of the optical member (14), the first sheet (18), the first light guide plate (27), and the second light guide plate (21) overlap with each other and are disposed on the opposite side of the optical member (14) side with respect to the first sheet (18), the first sheet (18) has two first light shielding portions (18C) and a first light transmitting portion (18D), a second main surface (27C) is provided with a first light reflecting portion (35), and a fourth main surface (21C) is provided with a second light reflecting portion (36). The first light reflecting section (35) is selectively provided in the first region (A1) on the second main surface (27C), and the second light reflecting section (36) is provided in at least the fourth region (A4) on the fourth main surface (21C).

    针对出射光的一部限制出射角度范围。照明装置(12)包括:第一光源(26);第一导光板(27),其具有第二主面(27C);第二光源(20);第二导光板(21),其具有第四主面(21C);第三光源(13);光学部件(14)以及第一片材(18),第一导光板(27)及第二导光板(21)彼此的主面相互重合且相对于第一片材(18)配置在光学部件(14)侧的相反侧,第一片材(18)具有两个第一遮光部(18C)和第一透光部(18D),第二主面(27C)上设有第一光反射部(35),第四主面(21C)上设有第二光反射部(36),第一光反射部(35)在第二主面(27C)上选择性地设置于第一区域(A1),第二光反射部(36)在第四主面(21C)上至少设置于第四区域(A4)。


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    Title :

    Illumination device and display device


    Additional title:

    照明装置以及显示装置


    Contributors:

    Publication date :

    2025-02-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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... / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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