Light emitting device and electronic device for direction adjustment of emanating light
A light emitting device includes a light emitting region constituted by light emitting elements arranged in a matrix, in which optical elements are included as optical elements formed in such a way as to correspond to the light emitting elements and configured to adjust a direction of emanating light, the optical elements being formed in such a way that one of a color filter layer and a transparent layer is formed to constitute a lower layer portion on an incident side and another is formed to constitute an upper layer portion on an emanating side, and the upper layer portion and at least a part of the lower layer portion are formed to be exposed to an interface with an outside.
1 . A light emitting device, comprising:
a light emitting region that includes:
a plurality of light emitting elements in a matrix arrangement; and
a plurality of first optical elements, wherein
each first optical element of the plurality of first optical elements is associated with a respective light emitting element of the plurality of light emitting elements,
the plurality of first optical elements is configured to adjust a direction of emanating light,
the plurality of first optical elements includes:
a lower layer portion that includes a color filter layer; and
an upper layer portion that includes a transparent layer,
the lower layer portion is on an incident side of the plurality of first optical elements,
the upper layer portion is on an emanating side of the plurality of first optical elements,
the color filter layer includes a concave curved surface at an interface between the upper layer portion and the lower layer portion, and
the plurality of first optical elements exposes the upper layer portion and at least a part of the lower layer portion to interface with an outside of the light emitting device.
2 . The light emitting device according to claim 1 , further comprising a plurality of color filter layers of a plurality of different types, wherein
the plurality of color filter layers is laminated in a region between a first light emitting element of the plurality of light emitting elements and a second light emitting element of the plurality of light emitting elements,
the second light emitting element is adjacent to the first light emitting element, and
the plurality of color filter layers includes the color filter layer.
3 . The light emitting device according to claim 1 , further comprising a second optical element different from the plurality of first optical elements, wherein the second optical element entirely includes one of the color filter layer or the transparent layer.
4 . The light emitting device according to claim 1 , wherein the color filter layer further includes fine particles constituting at least one of a coloring material or quantum dots.
5 . The light emitting device according to claim 1 , further comprising a transparent protective film on an entire surface of the plurality of first optical elements.
6 . The light emitting device according to claim 5 , wherein
the plurality of first optical elements further includes a first material, and
the transparent protective film includes a second material having a refractive index different from a refractive index of the first material.
7 . The light emitting device according to claim 1 , wherein, in a case where the plurality of first optical elements is cut along a plane orthogonal to the light emitting region, the plurality of first optical elements has a cross-sectional shape that is at least one of a circular shape, a trapezoidal shape, a rectangular shape, or a polygonal shape.
8 . The light emitting device according to claim 1 , further comprising a light shielding layer between a first light emitting element of the plurality of light emitting elements and a second light emitting element of the plurality of light emitting elements, wherein the second light emitting element is adjacent to the first light emitting element.
9 . The light emitting device according to claim 1 , wherein
the plurality of first optical elements is in a specific arrangement, and
in the specific arrangement, positional relationships between centers of the plurality of light emitting elements and centers of the plurality of first optical elements are substantially coincident.
10 . The light emitting device according to claim 1 , wherein
the plurality of first optical elements is in a specific arrangement, and
in the specific arrangement, positional relationships between centers of the plurality of light emitting elements and centers of the plurality of first optical elements have a deviation amount.
11 . The light emitting device according to claim 1 , wherein
the plurality of first optical elements is in a specific arrangement,
in the specific arrangement, positional relationships between centers of the plurality of light emitting elements and centers of the plurality of first optical elements have a deviation amount, and
the deviation amount changes based on positions of the plurality of light emitting elements in the light emitting region.
12 . The light emitting device according to claim 1 , wherein the plurality of light emitting elements includes a plurality of organic electroluminescence elements.
13 . The light emitting device according to claim 12 , wherein the plurality of light emitting elements have a resonator structure configured to resonate light.
14 . An electronic device, comprising:
a light emitting device including:
a light emitting region that includes:
a plurality of light emitting elements in a matrix arrangement; and
a plurality of optical elements, wherein
each optical element of the plurality of optical elements is associated with a respective light emitting element of the plurality of light emitting elements,
the plurality of optical elements is configured to adjust a direction of emanating light,
the plurality of optical elements includes:
a lower layer portion that includes a color filter layer; and
an upper layer portion that includes a transparent layer,
the lower layer portion is on an incident side of the plurality of optical elements,
the upper layer portion is on an emanating side of the plurality of optical elements,
the color filter layer includes a concave curved surface at an interface between the upper layer portion and the lower layer portion, and
the plurality of optical elements exposes the upper layer portion and at least a part of the lower layer portion to interface with an outside of the light emitting device.