Transparent display device

Abstract

A transparent display device comprising: a substrate (100, 200, 400) having an emission region (EA) and a first transparent region (TA1); a first, a second, and a third pixel region (P1, P2, P3) on the substrate (100, 200, 400) having the emission region (EA) and the first transparent region (TA1); a first bank (BA1) on the substrate (100, 200, 400); a first opening (OP1) surrounded by the first bank (BA1) and corresponding to the first pixel region (P1); a second opening (OP2) surrounded by the first bank (BA1) and corresponding to the second pixel region (P2); a third opening (OP3) surrounded by the first bank (BA1) and corresponding to the third pixel region (P3); a plurality of second banks (BA2) connected to the first, second, and / or third openings (OP1, OP2, OP3) and overlap with the first bank (BA1);anda light-emitting diode (De) on the first, second and third openings (OP1, OP2, OP3) on the substrate (100, 200, 400), wherein the first, second and third openings (OP1, OP2, OP3) comprise the emission region (EA) and a second transparent region (TA2), wherein the plurality of second banks (BA2) corresponds to a boundary between the emission region (EA) and the second transparent region (TA2) of the first pixel region (P1);

Claims

[1] Transparent display device comprising: a substrate (100, 200, 400) having an emission region (EA) and a first transparent region (TA1); a first, a second and a third pixel region (P1, P2, P3) on the substrate (100, 200, 400) having the emission region (EA) and the first transparent region (TA1); a first bank (BA1) on the substrate (100, 200, 400); a first opening (OP1) surrounded by the first bank (BA1) and corresponding to the first pixel region (P1); a second opening (OP2) surrounded by the first bank (BA1) and corresponding to the second pixel region (P2); a third opening (OP3) surrounded by the first bank (BA1) and corresponding to the third pixel region (P3); a plurality of second banks (BA2) overlapping with the first, second and / or third openings (OP1, OP2, OP3) and overlapping with the first bank (BA1); and a light-emitting diode (De) on the first, second and third openings (OP1, OP2, OP3) on the substrate (100, 200, 400), wherein the first, second and third openings (OP1, OP2, OP3) comprise the emission region (EA) and a second transparent region (TA2), wherein the plurality of second banks (BA2) corresponds to a boundary between the emission region (EA) and the second transparent region (TA2) of the first pixel region (P1). [2] A transparent display device according to claim 1, wherein the emission regions (EA) of the first, second and third pixel regions (P1, P2, P3) have different sizes of areas and the first transparent regions (TA1) of the first, second and third pixel regions (P1, P2, P3) have different sizes of areas. [3] Transparent display device according to one of claims 1 or 2, wherein the emission area (EA) of the second pixel region (P2) is larger than the emission area (EA) of the first pixel region (P1) and smaller than the emission area (EA) of the third pixel region (P3), and wherein the first transparent area (TA1) of the second pixel region (P2) is smaller than the first transparent area (TA1) of the first pixel region (P1) and larger than the first transparent area (TA) of the third pixel region (P3). [4] A transparent display device according to any one of the preceding claims, wherein the first bank (BA1) has a transmissive hole (164b) corresponding to the first transparent area (TA1). [5] A transparent display device according to any one of the preceding claims, wherein the first bank (BA1) has a hydrophobic property and the plurality of second banks (BA2) have a hydrophilic property. [6] Transparent display device according to one of the preceding claims, wherein the light-emitting diode (De) comprises a first electrode (160, 260, 460), a light-emitting layer (170, 270, 470) and a second electrode (180, 280, 480), and the second electrode (180, 280, 480) is located on the emission region (EA) and the first transparent region (TA1). [7] A transparent display device according to claim 6, wherein the portion of the second electrode (180, 280, 480) on the first transparent region (TA1) is higher than the portion of the second electrode (180, 280, 480) on the emission region (EA). [8] Transparent display device according to one of the preceding claims, wherein the first transparent area (TA1) of the first pixel region (P1) is larger than the second transparent area (TA2) of the first pixel region (P1) and the second transparent area (TA2) of the first pixel region (P1) is located between the emission area (EA) of the first pixel region (P1) and the first transparent area (TA1) of the first pixel region (P1). [9] Transparent display device according to one of the preceding claims, wherein the light-emitting diode (De) is located on the emission region (EA) and the second transparent region (TA2). [10] A transparent display device according to any one of the preceding claims, wherein the second banks of the plurality of second banks (BA2) are separated from each other by a first distance in the first pixel region (P1), a second distance in the second pixel region (P2) and a third distance in the third pixel region (P3). [11] A transparent display device according to any one of the preceding claims, wherein the plurality of second banks (BA2) comprise portions overlapping with the first bank (BA1) between the first, second and third pixel regions (P1, P2, P3). [12] A transparent display device according to any one of the preceding claims, wherein the portions overlapping with the first bank (BA1) between the first and second pixel regions (P1, P2) are separated by a first distance, and the portions overlapping with the first bank (BA1) between the second and third pixel regions (P2, P3) are separated by a second distance different from the first distance. [13] A transparent display device according to any one of the preceding claims, wherein the first bank (BA1) has a first height and the plurality of second banks (BA2) have a second height different from the height of the first bank (BA1). [14] Transparent display device according to one of the preceding claims, further comprising a passivation layer (150; 250; 450) between the substrate (100, 200, 400) and the light-emitting diode (De), wherein the light-emitting diode (De) comprises a first electrode (160, 260, 460), a light-emitting layer (170, 270, 370), and a second electrode (180, 280, 480), wherein the second transparent area (TA2) of the first pixel region (P1) comprises a first section between the emission area (EA) and the first transparent area (TA1), and wherein the light emission layer (1870, 270, 370) extends into the first portion of the second transparent region (TA2) and is in contact with the passivation layer (150, 250, 450) in the first portion of the second transparent region (TA2). [15] A transparent display device according to claim 14, wherein the second electrode (180, 280, 480) extends into the first portion of the second transparent region (TA2), and wherein a distance between the passivation layer (150, 250, 450) and the second electrode (180, 280, 480) in the first transparent region (TA1) is greater than a distance between the passivation layer (150, 250, 450) and the second electrode (180, 280, 480) in the first section of the second transparent region (TA2).

Images