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Display Device
| Content Provider | The Lens |
|---|---|
| Abstract | A display device includes a substrate including a display area, a peripheral area, and a pad area, first and second voltage lines, and an island dam. The first voltage line is disposed between a first side of the display area and the pad area, the second voltage line is disposed at other sides of the display area, and the island dam is disposed between the display area and the pad area. The first voltage line includes a first main voltage line, and a first connection unit that protrudes from the first main voltage line and extends toward the pad area. The second voltage line includes a second main voltage line, and a second connection unit that protrudes from an end of the second main voltage line and extends toward the pad area. The island dam extends substantially parallel to the first main voltage line. |
| Related Links | https://www.lens.org/lens/patent/011-965-429-288-319/frontpage |
| Language | English |
| Publisher Date | 2019-09-12 |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Patent |
| Jurisdiction | United States of America |
| Date Applied | 2019-03-08 |
| Applicant | Samsung Display Co Ltd |
| Application No. | 201916296700 |
| Claim | A display device, comprising: a substrate comprising a display area, a peripheral area disposed at a periphery of the display area, and a pad area disposed in the peripheral area; a first voltage line disposed in the peripheral area between a first side of the display area and the pad area; a second voltage line disposed at other sides of the display area; and an island dam disposed between the display area and the pad area, wherein the island dam is disposed on a layer lower than the first voltage line and the second voltage line, wherein the first voltage line comprises a first main voltage line and a first connection unit, wherein the first connection unit protrudes from the first main voltage line and extends toward the pad area, wherein the second voltage line comprises a second main voltage line and a second connection unit, wherein the second connection unit protrudes from an end of the second main voltage line and extends toward the pad area, wherein the island dam extends substantially parallel to the first main voltage line. The display device of claim 1 , wherein the island dam is disposed between the first connection unit and the second connection unit, a first end of the island dam overlaps the first connection unit, and a second end of the island dam that opposes the first end overlaps the second connection unit. The display device of claim 1 , wherein the substrate further comprises a bending area disposed between the display area and the pad area, wherein an inorganic insulating layer stacked on the substrate comprises a groove formed at a position corresponding to the bending area, and an organic material layer is disposed in the groove, wherein the island dam comprises a same material as the organic material layer. The display device of claim 1 , further comprising: a thin film transistor disposed in the display area; a display element electrically connected to the thin film transistor; a planarization insulating layer disposed between the thin film transistor and the display element; a first dam disposed in the peripheral area; and a second dam disposed in the peripheral area, wherein the first dam and the second dam are separate from the planarization insulating layer, wherein the island dam overlaps at least one of the first dam and the second dam. The display device of claim 4 , wherein the island dam is disposed below the first dam and the second dam, and a height of at least one of the first dam and the second dam increases at a location at which the at least one of the first dam and the second dam overlaps the island dam. The display device of claim 1 , further comprising: a thin film transistor disposed in the display area; a display element electrically connected to the thin film transistor; an encapsulation layer sealing the display element; and an inorganic protection layer disposed between the island dam and the encapsulation layer. The display device of claim 6 , wherein the encapsulation layer comprises: a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer consecutively stacked, wherein the first inorganic encapsulation layer directly contacts the inorganic protection layer at a position at which the first inorganic encapsulation layer overlaps the island dam. The display device of claim 6 , wherein the display area further comprises: a data line that provides data signals to the thin film transistor, and the inorganic protection layer covers the data line. The display device of claim 6 , further comprising: a planarization insulating layer disposed between the thin film transistor and the display element; and a first dam separate from the planarization insulating layer and surrounding the display area, wherein the inorganic protection layer covers the first connection unit and the second connection unit between the planarization insulating layer and the first dam. The display device of claim 1 , further comprising: a thin film transistor disposed in the display area; a display element electrically connected to the thin film transistor; a planarization insulating layer disposed between the thin film transistor and the display element; a first dam disposed in the peripheral area; and a second dam disposed in the peripheral area, wherein the first dam and the second dam are separate from the planarization insulating layer, wherein the island dam is disposed between the display area and the second dam. A display device, comprising: a substrate comprising a display area, a peripheral area disposed at a periphery of the display area, a pad area disposed in the peripheral area, and a bending area disposed between the display area and the pad area; a thin film transistor disposed in the display area; a display element electrically connected to the thin film transistor; a data line that provides data signals to the thin film transistor; an inorganic protection layer that covers the data line; a first voltage line disposed in the peripheral area; a second voltage line disposed in the peripheral area, wherein the first voltage line and the second voltage line provide driving voltages to the display element; an island dam disposed between the display area and the pad area; an encapsulation layer that seals the display element; an inorganic insulating layer disposed on the substrate and comprising a groove formed at a position corresponding to the bending area; and an organic material layer disposed in the groove, wherein the island dam comprises a same material as the organic material layer, and the inorganic protection layer is disposed between the island dam and the encapsulation layer. The display device of claim 11 , wherein the first voltage line comprises a first main voltage line disposed between a first side of the display area and the pad area, and a first connection unit protruding from the first main voltage line and extending toward the pad area, wherein the second voltage line comprises a second main voltage line disposed at other sides of the display area, and a second connection unit protruding from an end of the second main voltage line and extending toward the pad area, wherein the island dam is disposed on a layer lower than the first voltage line and the second voltage line, and extends substantially parallel to the first main voltage line, wherein the island dam overlaps the first connection unit and the second connection unit. The display device of claim 12 , wherein the island dam is disposed between the first connection unit and the second connection unit, a first end of the island dam overlaps the first connection unit, and a second end of the island dam that opposes the first end overlaps the second connection unit. The display device of claim 13 , wherein the inorganic insulating layer covers the first connection unit, the second connection unit, and the island dam in an area exposed between the first connection unit and the second connection unit. The display device of claim 12 , further comprising: a planarization insulating layer disposed between the thin film transistor and the display element; a first dam disposed in the peripheral area; and a second dam disposed in the peripheral area. The display device of claim 15 , wherein the island dam is disposed between the display area and the second dam. The display device of claim 15 , wherein the island dam overlaps at least one of the first dam and the second dam. The display device of claim 15 , wherein the island dam is disposed on a layer lower than the first dam and the second dam. The display device of claim 15 , wherein the encapsulation layer comprises a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer consecutively stacked, wherein the first inorganic encapsulation layer directly contacts the inorganic protection layer at a position at which the first inorganic encapsulation layer overlaps the island dam. The display device of claim 19 , wherein the first inorganic encapsulation layer and the second inorganic encapsulation layer contact each other outside the organic encapsulation layer, and the first inorganic encapsulation layer and the second inorganic encapsulation layer extend outside of the first dam. The display device of claim 1 , further comprising a thin film transistor in the display area, and a display element electrically in contact with the thin film transistor, wherein the display element further comprises a pixel electrode, an opposite electrode located to face the pixel electrode, and an emission layer located between the pixel electrode and the opposite electrode, the emission layer including an emission layer, and the emission layer includes a quantum dot materia The display device of claim 21 , wherein the quantum dot material comprises a core and a shell covering the core, and the core includes a material selected from among Group II-VI compounds, Group III-V compounds, Group IV-VI compounds, Group IV elements, Group IV compounds, and combinations thereof. The display device of claim 11 , wherein the display element further comprises a pixel electrode, an opposite electrode located to face the pixel electrode, and an emission layer located between the pixel electrode and the opposite electrode, the emission layer including an emission layer, and the emission layer includes a quantum dot materia The display device of claim 23 , wherein the quantum dot material comprises a core and a shell covering the core, and the core includes a material selected from among Group II-VI compounds, Group III-V compounds, Group IV-VI compounds, Group IV elements, Group IV compounds, and combinations thereof. |
| CPC Classification | Reduction Of Greenhouse Gas [Ghg] Emissions; Related To Energy Generation; Transmission Or Distribution ORGANIC ELECTRIC SOLID-STATE DEVICES |
| Extended Family | 069-355-941-205-769 011-965-429-288-319 143-157-646-298-688 179-643-325-414-414 039-432-759-555-955 108-491-094-408-694 127-828-491-432-081 196-603-997-077-780 161-888-866-127-17X |
| Patent ID | 20190280065 |
| Inventor/Author | Kim Kwangmin Kwak Workyu |
| IPC | H10K99/00 |
| Status | Active |
| Simple Family | 039-432-759-555-955 108-491-094-408-694 011-965-429-288-319 143-157-646-298-688 |
| CPC (with Group) | Y02E10/549 H10K59/124 H10K59/122 H10K59/131 H10K77/111 H10K50/115 H10K59/873 H10K59/8722 H10K59/8731 H10K50/844 |
| Issuing Authority | United States Patent and Trademark Office (USPTO) |
| Kind | Patent Application Publication |
