Electroluminescent device having window
In non-limiting example embodiments, an electroluminescent device may include a lower structure including an emission area, and an encapsulation structure located on the lower structure. The lower structure may include a window. The window may be a light transmitting region or a notch. The light transmitting region may be spaced apart from the emission area and completely or partially surrounded by the emission area in a plan view. The notch may be formed at one side of the lower structure and recessed inward in a plan view such that one side of the emission area substantially conforms to the notch.
1 . An electroluminescent device, comprising:
a lower structure comprising a light transmitting region, an emission area, and an outer non-emission area, the emission area surrounding the light transmitting region in plan view, the outer non-emission area surrounding the emission area in plan view, and
an encapsulation structure located on the lower structure, the encapsulation structure having an inorganic lower surface, wherein:
the outer non-emission area has an outer inorganic surface portion contacting the inorganic lower surface,
the lower structure comprises:
an inorganic structure comprising a buffer layer and a transistor overlapping the emission area, the buffer layer comprising an inorganic material, the transistor being located on the buffer layer; and
an electroluminescent unit located on the inorganic structure, the electroluminescent unit comprising:
a lower electrode located on the inorganic structure;
an electroluminescent layer located on the lower electrode; and
an upper electrode located on the electroluminescent layer,
the light transmitting region comprises a through hole,
the lower structure comprises an inner buffer area located between the emission area and the light transmitting region to surround the light transmitting region in plan view,
the lower structure comprises conductive wires overlapping the emission area in plan view and an inner bus wire electrically connected to the conductive wires, the inner bus wire being located in the inner buffer area in plan view,
the inner bus wire comprises first parts extending in a first direction and second parts extending in a second direction different from the first direction, and
the inner bus wire completely surrounds the light transmitting region in plan view.
2 . The electroluminescent device of claim 1 , wherein each of the conductive wires is a current wire.
3 . The electroluminescent device of claim 1 , wherein each of the conductive wires serves as an electrode of a capacitor.
4 . The electroluminescent device of claim 1 , wherein each of the conductive wires extend in the first direction.
5 . The electroluminescent device of claim 1 , wherein the first and second directions are perpendicular to each other.
6 . The electroluminescent device of claim 1 , wherein the first and second parts are alternately connected to each other.
7 . The electroluminescent device of claim 1 , wherein the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths.
8 . The electroluminescent device of claim 1 , wherein the first and second parts are integrally formed as a single piece.
9 . The electroluminescent device of claim 1 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
10 . The electroluminescent device of claim 1 , wherein:
the conductive wires serve to generate potential differences of capacitors, and
the conductive wires do not include a scan line connected to a gate of the transistor.
11 . The electroluminescent device of claim 10 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
12 . The electroluminescent device of claim 10 , wherein:
the inner bus wire comprises at least two of the second parts having different lengths,
the conductive wires are physically connected to the at least two of the second parts, and
the greater the length of each of the second parts is, the greater the number of the conductive wires physically connected to each of the second parts is.
13 . The electroluminescent device of claim 12 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
14 . The electroluminescent device of claim 12 , wherein:
the second parts are formed in a different layer from the conductive wires to vertically contact the conductive wires, and
the electroluminescent device does not have a wire which is formed in a different layer from the first part to vertically contact the first part.
15 . The electroluminescent device of claim 14 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
16 . The electroluminescent device of claim 10 , wherein:
the second parts are formed in a different layer from the conductive wires to vertically contact the conductive wires, and
the electroluminescent device does not have a wire which is formed in a different layer from the first part to vertically contact the first part.
17 . The electroluminescent device of claim 16 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other, the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
18 . The electroluminescent device of claim 1 , wherein:
the inner bus wire comprises at least two of the second parts having different lengths,
the conductive wires are physically connected to the at least two of the second parts, and
the greater the length each of the second parts is, the greater the number of the conductive wires physically connected to each of the second parts is.
19 . The electroluminescent device of claim 18 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths, and
the first and second parts are integrally formed as a single piece.
20 . The electroluminescent device of claim 18 , wherein:
the second parts are formed in a different layer from the conductive wires to vertically contact the conductive wires, and
the electroluminescent device does not include a wire which is formed in a different layer from the first part to vertically contact the first part.
21 . The electroluminescent device of claim 20 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths, and
the first and second parts are integrally formed as a single piece.
22 . An electronic device, comprising:
a display panel comprising a lower structure comprising a light transmitting region, an emission area, and an outer non-emission area, the emission area surrounding the light transmitting region in plan view, the outer non-emission area surrounding the emission area in plan view, and an encapsulation structure located on the lower structure, the encapsulation structure having an inorganic lower surface; and
a camera overlapping the light transmitting region in plan view, wherein:
the outer non-emission area has an outer inorganic surface portion contacting the inorganic lower surface,
the lower structure comprises:
an inorganic structure comprising a buffer layer and a transistor overlapping the emission area, the buffer layer comprising an inorganic material, the transistor being located on the buffer layer, and
an electroluminescent unit located on the inorganic structure, the electroluminescent unit comprising:
a lower electrode located on the inorganic structure;
an electroluminescent layer located on the lower electrode; and
an upper electrode located on the electroluminescent layer,
the light transmitting region comprises a through hole,
the lower structure comprises an inner buffer area located between the emission area and the light transmitting region to surround the light transmitting region in plan view,
the lower structure comprises conductive wires overlapping the emission area in plan view and an inner bus wire electrically connected to the conductive wires, the inner bus wire being located in the inner buffer area in plan view,
the inner bus wire comprises first parts extending in a first direction and second parts extending in a second direction different from the first direction, and
the inner bus wire completely surrounds the light transmitting region in plan view.
23 . The electronic device of claim 22 , wherein each of the conductive wires is a current wire.
24 . The electronic device of claim 22 , wherein each of the conductive wires serves as an electrode of a capacitor.
25 . The electronic device of claim 22 , wherein each of the conductive wires extend in the first direction.
26 . The electronic device of claim 22 , wherein the first and second directions are perpendicular to each other.
27 . The electronic device of claim 22 , wherein the first and second parts are alternately connected to each other.
28 . The electronic device of claim 22 , wherein the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths.
29 . The electronic device of claim 22 , wherein the first and second parts are integrally formed as a single piece.
30 . The electronic device of claim 22 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
31 . The electronic device of claim 22 , wherein:
the conductive wires serve to generate potential differences of capacitors, and
the conductive wires do not include a scan line connected to a gate of the transistor.
32 . The electronic device of claim 31 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
33 . The electronic device of claim 31 , wherein:
the inner bus wire comprises at least two of the second parts having different lengths,
the conductive wires are physically connected to the at least two of the second parts, and
the greater the length of each of the second parts is, the greater the number of the conductive wires physically connected to each of the second parts is.
34 . The electronic device of claim 33 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
35 . The electronic device of claim 33 , wherein:
the second parts are formed in a different layer from the conductive wires to vertically contact the conductive wires, and
the display panel does not have a wire which is formed in a different layer from the first part to vertically contact the first part.
36 . The electronic device of claim 35 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
37 . The electronic device of claim 31 , wherein:
the second parts are formed in a different layer from the conductive wires to vertically contact the conductive wires, and
the display panel does not have a wire which is formed in a different layer from the first part to vertically contact the first part.
38 . The electronic device of claim 37 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths and at least two of the second parts having different lengths, and
the first and second parts are integrally formed as a single piece.
39 . The electronic device of claim 22 , wherein:
the inner bus wire comprises at least two of the second parts having different lengths,
the conductive wires are physically connected to the at least two of the second parts, and
the greater the length each of the second parts is, the greater the number of the conductive wires physically connected to each of the second parts is.
40 . The electronic device of claim 39 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths, and
the first and second parts are integrally formed as a single piece.
41 . The electronic device of claim 39 , wherein:
the second parts are formed in a different layer from the conductive wires to vertically contact the conductive wires, and
the display panel does not include a wire which is formed in a different layer from the first part to vertically contact the first part.
42 . The electronic device of claim 41 , wherein:
the conductive wires extend in the first direction,
the first and second directions are perpendicular to each other,
the first and second parts are alternately connected to each other,
the inner bus wire comprises at least two of the first parts having different lengths, and
the first and second parts are integrally formed as a single piece.