Interactive display panel with emitting and sensing diodes
First Claim
Patent Images
1. A display panel, comprising:
- a display substrate having a display region;
a first array of light emitting diodes (LEDs) on the display substrate within the display region;
a first array of first subpixel circuits within the display region, each first subpixel circuit comprising;
a first driving circuit to operate a first corresponding LED in the first array of LEDs in a light emission mode; and
a first selection device to select a sensing output data line to operate the first corresponding LED in a light sensing mode; and
a second array of LEDs on the display substrate within the display region; and
a second array of second subpixel circuits within the display region, each second subpixel circuit comprising a second driving circuit to operate a second corresponding LED in the second array of LEDs in a light emission mode, wherein each second subpixel circuit does not include a selection device to operate an LED in the second array of LEDs in a light sensing mode.
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Abstract
Exemplary methods and systems use a micro light emitting diode (LED) in an active matrix display to emit and sense light. Display panels, systems, and methods of operation are described in which LEDs may be used for both emission and sensing.
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Citations
18 Claims
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1. A display panel, comprising:
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a display substrate having a display region; a first array of light emitting diodes (LEDs) on the display substrate within the display region; a first array of first subpixel circuits within the display region, each first subpixel circuit comprising; a first driving circuit to operate a first corresponding LED in the first array of LEDs in a light emission mode; and a first selection device to select a sensing output data line to operate the first corresponding LED in a light sensing mode; and a second array of LEDs on the display substrate within the display region; and a second array of second subpixel circuits within the display region, each second subpixel circuit comprising a second driving circuit to operate a second corresponding LED in the second array of LEDs in a light emission mode, wherein each second subpixel circuit does not include a selection device to operate an LED in the second array of LEDs in a light sensing mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A display system comprising:
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a sensing circuit; a display substrate having a display region; a first array of light emitting diodes (LEDs) on the display substrate within the display region; a first array of first subpixel circuits within the display region, each first subpixel circuit including; a first driving circuit to operate a first corresponding LED in the first array of LEDs in a light emission mode; and a first selection device to select the sensing circuit to operate the first corresponding LED in a light sensing mode; and a second array of LEDs on the display substrate within the display region; and a second array of second subpixel circuits within the display region, each second subpixel circuit comprising a second driving circuit to operate a second corresponding LED in the second array of LEDs in a light emission mode, wherein each second subpixel circuit does not include a selection device to operate an LED in the second array of LEDs in a light sensing mode. - View Dependent Claims (10, 11, 12, 13)
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14. A method of operating a display panel comprising:
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operating a first array of light emitting diodes (LEDs) in a display region of the display panel in a light emission mode; operating a second array of LEDs in the display region of the display panel in a light emission mode; operating the first array of LEDs in a light sensing mode while operating the second array of LEDs in the light emission mode; and detecting an intensity of light with the first array of LEDs in the light sensing mode; wherein the first array of LEDs is connect to a first array of first subpixel circuits within the display region of the display panel, each first subpixel circuit includes; a first driving circuit to operate a first corresponding LED in the light emission mode; and a first selection device to select a sensing output data line to operate the first corresponding LED in the light sensing mode; and wherein the second array of LEDs is connected to a second array of second subpixel circuits within the display region of the display panel, each second subpixel circuit including a second driving circuit to operate a second corresponding LED in the light emission mode, wherein each second subpixel circuit does not include a selection device to operate an LED in the light sensing mode. - View Dependent Claims (15, 16, 17, 18)
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Specification