Display device using semiconductor light-emitting element
The present disclosure is applicable to a display device-related technical field, and relates to, for example, a display device using a micro light emitting diode (LED). Disclosed is a display device using a light-emitting element including a wiring substrate having multiple unit pixel areas defined therein, a wiring electrode including first wiring electrodes and a second wiring electrode arranged on the wiring substrate, and each light-emitting element installed in each unit pixel area so as to be electrically connected to each first wiring electrode and the second wiring electrode to constitute each sub-pixel, wherein the light-emitting elements include a first light-emitting element located in a first pixel area and installed in a first arrangement, and a second light-emitting element located in a second pixel area adjacent to the first pixel area and installed in a second arrangement symmetrical to the first arrangement.
1 . A display device comprising:
a wiring substrate defining a plurality of pixel regions;
a wiring electrode including a first wiring electrode and a second wiring electrode arranged on the wiring substrate; and
a plurality of light-emitting elements each electrically connected to the first wiring electrode and the second wiring electrode to form a sub-pixel within a corresponding pixel region,
wherein the plurality of light-emitting elements include:
a first light-emitting element located in a first pixel region; and
a second light-emitting element located in a second pixel region adjacent to the first pixel region,
wherein the first light-emitting element and the second light-emitting element emit light of the same color,
wherein side surfaces of the first light-emitting element include a first side and a second side tilted toward a first direction, and
wherein side surfaces of the second light-emitting element include a third side and a fourth side tilted toward a second direction.
2 . The display device of claim 1 , wherein a distance between the first side and the third side increases moving further away from the wiring substrate.
3 . The display device of claim 2 , wherein a distance between the second side and the fourth side increases moving further away from the wiring substrate.
4 . The display device of claim 2 , wherein the light-emitting elements further include a third light-emitting element located in a third pixel region adjacent to the second pixel region, and the first, second, and third light-emitting elements emit light of the same color.
5 . The display device of claim 4 , wherein side surfaces of the third light-emitting element includes a fifth side and a sixth side tilted in the first direction.
6 . The display device of claim 5 , wherein a distance between the third side and the fifth side decreases moving further away from the wiring substrate.
7 . The display device of claim 6 , wherein a distance between the fourth side and the sixth side decreases moving further away from the wiring substrate.
8 . The display device of claim 1 , wherein a distance between the first side and the third side decreases moving further away from the wiring substrate.
9 . The display device of claim 8 , wherein the light-emitting elements further include a third light-emitting element located in a third pixel region adjacent to the second pixel region, and the first, second, and third light-emitting elements emit light of the same color.
10 . The display device of claim 9 , wherein a side surface of the third light-emitting element includes a fifth side and a sixth side tilted in the first direction.
11 . The display device of claim 10 , wherein a distance between the third side and the fifth side increases moving further away from the wiring substrate.
12 . The display device of claim 11 , wherein a distance between the fourth side and the sixth side increases moving further away from the wiring substrate.
13 . The display device of claim 1 , wherein the first direction and the second direction are opposite directions.
14 . The display device of claim 1 , wherein respective electrode polarities of the first light-emitting element and the second light-emitting element are symmetrical to each other with respect to a point between the first light-emitting element and the second light-emitting element.
15 . The display device of claim 1 , wherein the second side of the first light emitting element and the third side of the second light emitting element are connected to the second wiring electrode, and are electrically connected to each other in a region between the first light-emitting element and the second light-emitting element.
16 . The display device of claim 15 , wherein the second side of the first light emitting element and the third side of the second light emitting element have a same polarity.