H10K59/70

LAMINATED LIGHT-EMITTING UNIT AND PRODUCTION METHOD THEREOF, AND DISPLAY PANEL
20240130195 · 2024-04-18 ·

A laminated light-emitting unit includes a first light-emitting component including a top surface, a bottom surface opposite to the top surface and multiple side surfaces disposed between the top surface and the bottom surface, a second light-emitting component laminated on the top surface of the first light-emitting component, a common electrode disposed on a first side surface of the multiple side surfaces, connected to negative electrodes of the first light-emitting component and the second light-emitting component and extending to the bottom surface of the first light-emitting component, a second electrode disposed on a second side surface of the multiple side surfaces, the first side surface and the second side surface are different side surfaces, the second electrode is electrically connected to a positive electrode of the second light-emitting component and insulated from the first light-emitting component, and the second electrode extends to the bottom surface of the first light-emitting component.

METHOD OF MANUFACTURING DISPLAY DEVICE AND DISPLAY DEVICE
20240147766 · 2024-05-02 ·

A method of manufacturing a display device includes: a liquid-repelling bank formation step of forming a liquid-repellent bank containing a liquid-repelling material that repels a coating liquid; a functional layer formation step of forming a functional layer in a region including an area surrounded by the liquid-repellent bank by applying the coating liquid to the area; and a removal step of, subsequent to the functional layer formation step, removing at least a part of the liquid-repellent bank.

METHOD OF MANUFACTURING DISPLAY DEVICE AND DISPLAY DEVICE
20240147766 · 2024-05-02 ·

A method of manufacturing a display device includes: a liquid-repelling bank formation step of forming a liquid-repellent bank containing a liquid-repelling material that repels a coating liquid; a functional layer formation step of forming a functional layer in a region including an area surrounded by the liquid-repellent bank by applying the coating liquid to the area; and a removal step of, subsequent to the functional layer formation step, removing at least a part of the liquid-repellent bank.

Color tunable hybrid LED-OLED illumination devices

A hybrid LED-OLED lighting device includes a waveguide layer, a light-emitting diode (LED) array optically coupled to the waveguide layer, and an organic light-emitting diode (OLED) array. Light emitted from the LED array is provided to an edge of the waveguide layer and light emitted from the OLED array is provided to a first surface of the waveguide layer. Light emitted from the LED array and light emitted from the OLED array passes through a second surface of the waveguide layer opposite the first surface of the waveguide layer, and light emitted from the lighting device comprises the light emitted from the LED array and the light emitted from the OLED array.

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

A hybrid light emitting diode (LED) display and fabrication method are provided. The method forms a stack of thin-film layers overlying a top surface of a substrate. The stack includes an LED control matrix and a plurality of pixels. Each pixel is made up of a first subpixel enabled using an inorganic micro LED (uLED), a second subpixel enabled using an organic LED (OLED), and a third subpixel enabled using an OLED. The first subpixel emits a blue color light, the second subpixel emits a red color light, and the third subpixel emits a green color light. In one aspect, the stack includes a plurality of wells in a top surface of the stack, populated by the LEDs. The uLEDs may be configured vertical structures with top and bottom electrical contacts, or surface mount top surface contacts. The uLEDs may also include posts for fluidic assembly orientation.

ELECTROLUMINESCENT DEVICE, DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
20190181184 · 2019-06-13 ·

The embodiments of the present disclosure disclose an electroluminescent device, a display device and a manufacturing method thereof. The electroluminescent device comprises: a substrate; a micro light emitting diode unit, configured to emit light of a first color in a first direction; and an organic light emitting diode unit, configured to emit light of a second color in the first direction, wherein the micro light emitting diode unit and the organic light emitting diode unit are disposed on the substrate in a stack, such that light of the first color and light of the second color are mixed to generate mixed light, and the first direction is a direction towards the substrate or a direction away from the substrate.

HYBRID EMISSIVE DISPLAYS
20240196685 · 2024-06-13 · ·

According to examples, a hybrid emissive display may include a first ?LED subpixel, a second ?OLED subpixel, and a third ?OLED or ?LED subpixel. The hybrid emissive display may also include at least one digital driving component to digitally drive the first ?LED subpixel, the second ?OLED subpixel, and the third ?OLED or ?LED subpixel. For instance, the subpixels may be driven through pulse width modulation. In this regard, the ?LED subpixels and the ?OLED 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 ?LEDs and red ?OLEDs.

OLEDS FOR MICRO TRANSFER PRINTING

An organic light-emitting diode (OLED) structure includes an organic light-emitting diode having a first electrode, one or more layers of organic material disposed on at least a portion of the first electrode, and a second electrode disposed on at least a portion of the one or more layers of organic material. At least a portion of a tether extending from a periphery of the organic light-emitting diode. The organic light-emitting diodes can be printable organic light-emitting diode structures that are micro transfer printed over a display substrate to form a display.

Hybrid display

A hybrid pixel arrangement for a full-color display is provided, which includes an inorganic LED in at least one sub-pixel, and an organic emissive stack in at least one other sub-pixel. In an embodiment, a first sub-pixel is configured to emit a first color, and includes an inorganic LED, a second sub-pixel is configured to emit a second color, and includes a first organic emissive stack configured to emit an initial color different from the first color. A third sub-pixel is configured to emit a third color different from the initial color.

ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
20240260410 · 2024-08-01 ·

An organic light-emitting diode display device can include a substrate including a first sub-pixel and a second sub-pixel; an interlayer insulation layer over the substrate and having different heights; and a first light-emitting diode disposed at the first sub-pixel and a second light-emitting diode disposed at the second sub-pixel over the substrate, wherein each of the first light-emitting diode or second light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode, and the light-emitting layer includes a first stack, a charge generation layer, and a second stack, and wherein the second electrode of the first light-emitting diode is electrically connected to the charge generation layer of the first light-emitting diode, and the second electrode of the second light-emitting diode is separated from the charge generation layer of the second light-emitting diode.