Structures and methods are disclosed for fabricating a color optoelectronic solid state array device. In one embodiment, different color devices and optical structures are combined to form a color optoelectronic solid state array. The optical structure comprise of light distribution layer, light extraction layer, waveguide, reflective layers, linear color combinator. In another embodiment, a method to combine light colors in a color microdevice array is disclosed.

Structures and methods are disclosed for fabricating a color optoelectronic solid state array device. In one embodiment, different color devices and optical structures are combined to form a color optoelectronic solid state array. The optical structure comprise of light distribution layer, light extraction layer, waveguide, reflective layers, linear color combinator. In another embodiment, a method to combine light colors in a color microdevice array is disclosed.

A display device includes: a first base substrate; a display structure on the first base substrate; a bank portion on the display structure and defining a pixel opening and a dummy opening adjacent to the pixel opening; a color conversion layer in the pixel opening of the bank portion; and a capping layer covering the bank portion and the color conversion layer and including: a first layer on the bank portion and including silicon oxide; and a second layer on the first layer and including silicon oxynitride in the dummy opening.

A display device includes: a first base substrate; a display structure on the first base substrate; a bank portion on the display structure and defining a pixel opening and a dummy opening adjacent to the pixel opening; a color conversion layer in the pixel opening of the bank portion; and a capping layer covering the bank portion and the color conversion layer and including: a first layer on the bank portion and including silicon oxide; and a second layer on the first layer and including silicon oxynitride in the dummy opening.

A display apparatus includes a light-emitting diode, a driving transistor configured to control a driving current supplied to the light-emitting diode, a compensation transistor connected between a second terminal of the driving transistor and a gate electrode of the driving transistor and configured to compensate for a threshold voltage of the driving transistor, a first connection electrode configured to connect the gate electrode of the driving transistor and a first terminal of the compensation transistor to each other, and a driving voltage line on an insulating layer covering the first connection electrode, covering the gate electrode of the driving transistor, and having an opening overlapping the first connection electrode.

A display apparatus includes a light-emitting diode, a driving transistor configured to control a driving current supplied to the light-emitting diode, a compensation transistor connected between a second terminal of the driving transistor and a gate electrode of the driving transistor and configured to compensate for a threshold voltage of the driving transistor, a first connection electrode configured to connect the gate electrode of the driving transistor and a first terminal of the compensation transistor to each other, and a driving voltage line on an insulating layer covering the first connection electrode, covering the gate electrode of the driving transistor, and having an opening overlapping the first connection electrode.

Devices including organic and inorganic LEDs are provided. Techniques for fabricating the devices include fabricating an inorganic LED on a parent substrate and transferring the LED to a host substrate via a non-destructive ELO process. Scaling techniques are also provided, in which an elastomeric substrate is deformed to achieve a desired display size.

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.

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.

The electroluminescence and photoluminescence mixed display element of the present invention comprises: a light guide substrate (10), a light emitting layer (20) located on the light guide substrate (10), a light filtering layer (30) located on the light emitting layer, wherein the light emitting layer (20) comprises an electroluminescence layer (21) and a photoluminescence layer (22), and the cathode of the electroluminescence layer (21) is a transflective electrode, and the anode is a transparent electrode, and the electroluminescence layer (21) can illuminate the blue light from two sides, the cathode and the anode, and the blue light illuminated from the anode is directionally guided by the light guide substrate (10) and is reflected onto the photoluminescence layer (22) to excite the photoluminescence layer (22) emit the red light and the green light, and the red light and the green light and the blue light are mixed to form white light.