Hybrid emissive displays
AssigneeMeta Platforms Technologies, LLC
InventorYun WANG
Life of this patent
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Abstract
According to examples, a hybrid emissive display may include a first μLED subpixel, a second μOLED subpixel, and a third μOLED or μLED subpixel. The hybrid emissive display may also include at least one digital driving component to digitally drive the first μLED subpixel, the second μOLED subpixel, and the third μOLED or μLED subpixel. For instance, the subpixels may be driven through pulse width modulation. In this regard, the μLED subpixels and the μOLED subpixels in a hybrid emissive display may be driven through at least one digital driving component that may be provided in a common backplane, which may be a CMOS backplane. As a result, for instance, hybrid emissive displays may be fabricated to include blue μLEDs and red μOLEDs.
Claims20
A hybrid emissive display, comprising:
- a substrate;
- a backplane formed on the substrate;
- a first subpixel positioned on the backplane, the first subpixel being a micro light emitting diode (μLED);
- a second subpixel positioned on the backplane, the second subpixel being a micro organic light emitting diode (μOLED);
- a third subpixel positioned on the backplane, the third subpixel being a μOLED or a μLED;
- and
- at least one digital driving component to digitally drive the first subpixel, the second subpixel, and the third subpixel.
A method of fabricating a hybrid emissive display, comprising:
- fabricating a backplane having traces for conduction of electrical current through the backplane;
- depositing and patterning a micro light emitting diode (μLED) bottom electrode on a top surface of the backplane;
- placing a prefabricated first subpixel on the μLED bottom electrode, wherein the prefabricated first subpixel is a μLED;
- and
- fabricating a second subpixel on the backplane following placement of the prefabricated first subpixel on the μLED bottom electrode, wherein the second subpixel is a micro organic light emitting diode (μOLED).
A hybrid emissive display, comprising:
- a complementary metal-oxide semiconductor backplane;
- a first subpixel positioned on the backplane, the first subpixel being a micro light emitting diode (μLED);
- a second subpixel positioned on the backplane, the second subpixel being a micro organic light emitting diode (μOLED);
- a third subpixel positioned on the backplane, the third subpixel being a μOLED or a μLED;
- and
- at least one digital driving component having a first memory, a second memory, and a third memory, wherein the at least one digital driving component is to drive the first subpixel, the second subpixel, and the third subpixel through digital application of voltages to the first subpixel, the second subpixel, and the third subpixel.
Dependencies are inferred from the claim text.