VEHICULAR LAMP

• US 20140153273A1
• Filed: 11/27/2013
• Published: 06/05/2014
• Est. Priority Date: 12/03/2012
• Status: Active Grant

• Current Assignee: Koito Manufacturing Company Limited
• Original Assignee: Koito Manufacturing Company Limited
• Inventors: Tsukamoto, Hironori
• Granted Patent: US 9,074,744 B2
• Time in Patent Office: Days
• US Class Current: 362/516
• CPC Class Codes: F21S 10/005 using light guides light guides specially adapted for lighting devices G02B6/0001
• CPC Class Codes: F21S 43/14 Light emitting diodes [LED]
• CPC Class Codes: F21S 43/145 Surface emitters, e.g. organic light emitting diodes [OLED]
• CPC Class Codes: F21S 43/239 plate-shaped
• CPC Class Codes: F21S 43/245 emitting light from one or more of its major surfaces

Abstract

A vehicular lamp includes a transparent planar light emitting body including a first light emitting surface and a second light emitting surface which face each other, a first reflector and a second reflector. The transparent planar light emitting body emits light from the first light emitting surface and the second light emitting surface. The first reflector reflects light from the first light emitting surface to the front. The second reflector reflects light from the second light emitting surface to the front.

Claims

1. A vehicular lamp comprising:

a transparent planar light emitting body including a first light emitting surface and a second light emitting surface which face each other, the transparent planar light emitting body configured to emit light from the first light emitting surface and the second light emitting surface;

a first reflector configured to reflect light from the first light emitting surface to the front; and

a second reflector configured to reflect light from the second light emitting surface to the front.

2. The vehicular lamp according to claim 1, wherein

the transparent planar light emitting body comprises a transparent organic EL panel.

3. The vehicular lamp according to claim 1, wherein

at least one of the first reflector and the second reflector has a paraboloidal reflecting surface.

4. The vehicular lamp according to claim 1, wherein

the transparent planar light emitting body has a plurality of areas of the first light emitting surface and the second light emitting surface which are illuminated selectively so as to emit light therefrom.

5. The vehicular lamp according to claim 2, wherein

the transparent organic EL panel comprises a transparent electrode serving as anode, a transparent electrode serving as cathode, and a light emitting layer sandwiched between the transparent electrodes.

6. The vehicular lamp according to claim 1, wherein

the transparent planar light emitting body comprises a light guide.