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US 12,361,747 B2Granted
Display device
AssigneeSamsung Display Co., Ltd.
InventorsTaekyung Ahn, Sangwoo Kim, Hyeonsik Kim, Dae-Young Lee, Sanghwan Cho
Life of this patent
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Abstract
A display device including: a display layer including a light emitting device, a photo-detector, and a dummy device; and a circuit layer including a pixel driving part, which is connected to the light emitting device, and a sensor driving part which is connected to the photo-detector, wherein the light emitting device and the dummy device are overlapped with the pixel driving part, and wherein the photo-detector is overlapped with the sensor driving part.
Claims17
A display device, comprising:
- a display layer including a light emitting device, a photo-detector, and a dummy device;
- and
- a circuit layer including a pixel driving part, which is connected to the light emitting device, and a sensor driving part which is connected to the photo-detector,
- wherein the light emitting device and the dummy device are overlapped with the pixel driving part,
- wherein the light emitting device includes:
- a first electrode and a second electrode facing each other;
- and
- a light emitting layer interposed between the first electrode and the second electrode to emit red light, blue light, or green light,
- wherein each of the photo-detector and the dummy device includes:
- a first electrode and a second electrode facing each other;
- and
- a photo-electric converting layer interposed between the first electrode and the second electrode to convert incident light to an electrical signal,
- wherein the photo-detector is overlapped with the sensor driving part,
- wherein the first electrode of the dummy device is not connected to the sensor driving part,
- wherein the first electrode of the light emitting device, the first electrode of the photo-detector and the first electrode of the dummy device are disposed on a same layer.
12 more elements
A display device, comprising:
- a display layer including a light emitting device, and a first and a second photo-detector;
- and
- a circuit layer including a pixel driving part, which is connected to the light emitting device, and a sensor driving part which is connected to the photo-detectors,
- wherein the light emitting device includes:
- a first electrode and a second electrode facing each other;
- and
- a light emitting layer interposed between the first electrode and the second electrode to emit red light, blue light, or green light,
- wherein each of the photo-detectors includes:
- a first electrode and a second electrode facing each other;
- and
- a photo-electric converting layer interposed between the first electrode and the second electrode to convert incident light to an electrical signal,
- wherein the first electrode of the light emitting device and the first electrode of the photo-detector are disposed on a same layer, and
- wherein the first electrodes included in the first and second photo-detectors are connected to one pattern, and the one pattern is connected to the sensor driving part.
10 more elements
Dependencies are inferred from the claim text.