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US 12,760,849 B2Granted
Lighting device
AssigneeJapan Display Inc.
InventorsMasato Yoshida, Hirofumi Ohira
Life of this patent
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Abstract
According to an aspect, a lighting device includes: a light source; a surface layer provided at a position facing the light source; and a first reflective member provided between the light source and the surface layer to reflect light emitted from the light source toward the light source. The surface layer has a semi-transmissive layer and a plurality of first openings formed in the semi-transmissive layer. The first reflective member has a plurality of second openings.
Claims2
A lighting device comprising:
- a light source;
- a surface layer provided at a position facing the light source;
- a first reflective member provided between the light source and the surface layer to reflect light emitted from the light source toward the light source;
- and
- a second reflective member disposed at such a position that the light source is interposed between the position and the first reflective member, wherein
- the surface layer has a semi-transmissive layer and a plurality of first openings formed in the semi-transmissive layer,
- the first reflective member has a plurality of second openings,
- the second reflective member reflects second light that is the first light reflected by the first reflective member, toward a surface layer side,
- the second light reflected by the second reflective member passes through the first openings and the second openings to be diffused outside, and
- the second openings include:
- a first part opening that overlaps one of the first openings, and
- a second part opening that does not overlap one of the first openings and that overlaps the semi-transmissive layer.
9 more elements
Dependencies are inferred from the claim text.