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US 11,963,426 B2Granted
Display device including fingerprint recognition function
AssigneeSamsung Display Co., Ltd.
InventorsDae-Young Lee, Gee-Bum Kim, Byung Han Yoo, Sangwoo Kim, Jungha Son, Taekyung Ahn, Yunjong Yeo, Kijune Lee, Jaeik Lim, Min Oh Choi, Chaungi Choi
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Abstract
A display device includes a sensor having a detection electrode. An optical pattern layer is disposed directly on the sensor and includes a plurality of transmission portions and a light blocking portion. A display panel is disposed on the optical pattern layer. A minimum distance between the detection electrode and the light blocking portion is in a range of 1 micrometer-5 micrometers.
Claims20
A display device comprising:
- a sensor including a transistor and a detection electrode electrically connected to the transistor, the detection electrode comprising a continuous electrode body;
- an optical pattern layer disposed on the sensor and including a plurality of transmission portions and a light blocking portion;
- and
- a display panel disposed on the optical pattern layer and including first electrodes disposed in a plurality of pixel areas, respectively,
- wherein each of the first electrodes overlaps at least two of the plurality of transmission portions,
- wherein the detection electrode overlaps X transmission portions among the plurality of transmission portions on a plane, wherein X is a positive integer greater than or equal to three, and
- wherein each of the first electrodes overlaps with fewer than the X transmission portions among the plurality of transmission portions on the plane.
4 more elements
A display device comprising:
- a detection unit having a sensor that includes a transistor and, a detection electrode electrically connected to the transistor, and an optical pattern layer that is disposed on the sensor and includes a plurality of transmission portions and a light blocking portion adjacent to the plurality of transmission portions, the detection electrode comprising a continuous electrode boy;
- and
- a display panel disposed on the detection unit and including a light emitting element layer having a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer,
- wherein each of the first electrode and the detection electrode overlaps at least two or more transmission portions among the plurality of transmission portions,
- wherein the plurality of transmission portions do not overlap each other, and
- wherein a number of transmission portions overlapping the detection electrode among the plurality of transmission portions is greater than a number of transmission portions overlapping the first electrode among the plurality of transmission portions.
3 more elements
A display device comprising:
- a display panel having a plurality of pixel areas including a first pixel area, a second pixel area and a third pixel area, each of the plurality of pixel areas having a pixel that includes a first electrode, a light emitting layer disposed on the first electrode and a second electrode disposed on the light emitting layer,
- a detection unit disposed under the display panel, the detection unit having a sensor that includes a transistor and a detection element electrically connected to the transistor, wherein the detection unit forms a detection area overlapping the detection element, the detection elemment comprising a continuous electrode body;
- an optical pattern layer disposed on the sensor and including a plurality of transmission portions and a light blocking portion adjacent to the plurality of transmission portions;
- wherein the detection area overlaps at least three of the plurality of transmission portions,
- wherein the detection area overlaps both a portion of the first pixel area, a portion of the second pixel area and a portion of the third pixel area;
- wherein the first electrodes of the first pixel area, second pixel area and third pixel area overlap at least two of the plurality of transmission portions;
- and
- wherein a number of transmission portions overlapping the first electrodes of the first pixel area, second pixel area and third pixel area, respectively, is less than a number of transmission portions overlapping each of the detection areas.
5 more elements
Dependencies are inferred from the claim text.