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US 11,309,376 B2Granted
Display device
AssigneeLG Display Co., Ltd.
InventorsDongYoon Kim, JaeSung Lee
Life of this patent
Estimating the term…
Abstract
A display device is disclosed that includes one or more crack detection units. The crack detection units can detect a crack position in the display device without requiring the disassembly of the display device. The crack detection units may be disposed across one or more non-active areas of the display device.
Claims22
A rollable display device comprising:
- a substrate including an active area that displays an image, a first non-active area extended from the active area that does not display the image, a second non-active area extended from the first non-active area that does not display the image, and a third non-active area extended from the second non-active area that does not display the image;
- a planarization layer disposed in the active area and the first non-active area without being disposed in the second non-active area and the third non-active area;
- a display element disposed on the planarization layer in the active area;
- an encapsulation substrate disposed on the display element in the active area, the first non-active area, and the second non-active area without being in the third non-active area;
- and
- a plurality of crack detection units disposed in at least one of the first non-active area, the second non-active area, or the third non-active area.
3 more elements
A display device comprising:
- a substrate including an active area that displays an image, a first non-active area surrounding the active area, a second non-active area surrounding the first non-active area, and a third non-active area surrounding the second non-active area;
- a planarization layer disposed on the substrate in the active area and the first non-active area without being disposed in the second non-active area and the third non-active area;
- a display element disposed on the planarization layer in the active area;
- an encapsulation substrate disposed on the display element, the encapsulation substrate in the active area, the first non-active area, and the second non-active area without being in the third non-active area;
- a roller unit configured to wind or unwind the substrate;
- and
- a plurality of crack detection units disposed on the substrate, the plurality of crack detection units configured to detect whether a crack occurs in at least one of the first non-active area, the second non-active area, or the third non-active area.
4 more elements
A flexible display device comprising:
- a substrate including an active area that displays an image, a first non-active area extended from the active area that does not display the image, a second non-active area extended from the first non-active area that does not display the image, and a third non-active area extended from the second non-active area that does not display the image;
- a display element configured to display an image in the active area, the display element disposed in the active area without being disposed in the first non-active area, the second non-active area, and the third non-active area;
- a plurality of crack detection pads including a first crack detection pad and a second crack detection pad, the first crack detection pad and the second crack detection pad disposed in the third non-active area without being disposed in the active area, the second non-active area, and the third non-active area;
- and
- a first crack detection line having a first end and a second end, the first end connected to the first crack detection pad and the second end connected to the second crack detection pad, the first crack detection line disposed across at least one of the third non-active area, the second non-active area, or the third non-active area.
2 more elements
Dependencies are inferred from the claim text.