Lighting device
AssigneeJapan Display Inc.
InventorsMakoto Hasegawa, Nobuyuki Suzuki, Ken Kagabu
Life of this patent
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Abstract
The purpose of the present invention is to realize a lighting device of thin, low power consumption and small light distribution angle. The present invention takes the following structure to realize the above task: A lighting device having an emitting surface and a bottom opposing to the emitting surface including: a resin, set between the emitting surface and the bottom, having a hole at a center, a reflection block set in the hole at a side of the emitting surface, an LED, which is a light source, set in the hole at a side of the bottom, a space between the LED and the reflection block, in which the resin is contained in a container whose inner surface is a reflecting surface.
Claims7
A lighting device comprising:
- a resin having lens effect;
- a reflection container including a reflecting inner surface;
- an LED that is a light source;
- wherein
- the resin includes an emitting surface, a bottom opposing to the emitting surface, and a hole between the emitting surface and the bottom,
- the LED is set in the hole at a side of the bottom,
- the resin is contained in the reflection container;
- and
- further comprising:
- a first liquid crystal lens disposed on the emitting surface,
- a second liquid crystal lens disposed on the first liquid crystal lens,
- wherein
- the reflecting inner surface of the reflection container is curved in a cross-sectional view, and
- an outer surface of the resin that faces the reflection container is curved in a cross-sectional view.
Dependencies are inferred from the claim text.