Hybrid display using inorganic micro light emitting diodes (uLEDs) and organic LEDs (OLEDs)

A hybrid light emitting diode (LED) emissive display comprising:

• a substrate;
• a stack of thin-films overlying a top surface of the substrate;
• a plurality of wells formed in a top surface of the stack;
• a light blocking material overlying the well sidewalls;
• a plurality of pixels formed in the stack, each pixel comprising:
• a first subpixel enabled using an inorganic micro LED (uLED);
• a second subpixel enabled using an organic LED (OLED),
• a third subpixel enabled using an OLED;
• an LED control matrix configured to selectively enable the LEDs;
• an electrical interface matrix layer overlying the stack, connected to each OLED;
• and,
• wherein the wells are populated by the LEDs.

A hybrid light emitting diode (LED) emissive display comprising:

• a substrate;
• a stack of thin-films overlying a top surface of the substrate;
• a plurality of inorganic micro LED (uLED) wells formed in a top surface of the stack, each uLED well comprising a bottom surface, sidewalls, a first electrical interface formed on the uLED bottom surface and connected to the LED control matrix, and a second electrical interface formed on the uLED well bottom surface connected to a reference voltage;
• a plurality of pixels formed in the stack, each pixel comprising:
• a first subpixel enabled using a uLED;
• a second subpixel enabled using an organic LED (OLED);
• a third subpixel enabled using an OLED;
• an LED control matrix configured to selectively enable the LEDs;
• and,
• an electrical interface matrix layer overlying the stack, connected to each OLED;
• wherein the uLEDs are surface mount uLEDs, each surface mount uLED comprising;
• a top surface overlying a corresponding uLED well bottom surface;
• a bottom surface;
• a first electrical contact formed on the uLED top surface and connected to a corresponding uLED well first electrical interface;
• and,
• a second electrical contact formed on the uLED top surface and connected to a corresponding uLED well second electrical interface.

A hybrid light emitting diode (LED) emissive display comprising:

• a substrate;
• a stack of thin-films overlying a top surface of the substrate;
• a plurality of organic LED (OLED) wells formed in the stack, each OLED well comprising a bottom surface, sidewalls, and a first electrode formed on the OLED well bottom surface and connected to the LED control matrix;
• a plurality of inorganic micro LED (uLED) wells formed in the stack, each uLED well comprising a bottom surface, sidewalls, and a first electrical interface formed on the uLED well bottom surface and connected to the LED control matrix;
• a plurality of pixels formed in the stack, each pixel comprising:
• a first subpixel enabled using a uLED;
• a second subpixel enabled using an OLED;
• a third subpixel enabled using an OLED;
• an LED control matrix configured to selectively enable the LEDs;
• an electrical interface matrix layer overlying the stack, connected to each OLED;
• wherein each OLED comprises an OLED heterostructure, the first electrode from a corresponding OLED well, and a second electrode connected to the electrical interface matrix layer;
• wherein the uLEDs are vertical structure uLEDs, each vertical structure uLED comprising;
• a bottom surface overlying a corresponding uLED well bottom surface;
• a top surface;
• a first electrical contact formed on the uLED bottom surface and connected to a corresponding uLED well first electrical interface;
• and,
• a second electrical contact formed on the uLED top surface and connected to the electrical interface matrix layer.