The invention relates to improved Organic Light Emitting Transistor (OLET) pixel architecture for OLET based displays.

A display panel includes a first display area. The first display area includes a display substrate and an optical layer. The display substrate includes a pixel defining layer and a cathode layer disposed on the pixel defining layer. The pixel defining layer includes a plurality of pixel openings and a plurality of supporting portions each disposed between two adjacent pixel openings. A thickness of a part of the cathode layer on each of the pixel opening is greater than a thickness of a part of the cathode layer on each of the supporting portions. The optical layer is disposed on the cathode layer and includes a plurality of first optical structures corresponding to the supporting portions. Each of the first optical structures includes a first surface close to the cathode layer, a second surface opposite to the first surface, and a side surface that is a total reflective surface.

Provided is a display device capable of preventing the generation of a step between subpixels.

A display device includes a substrate and subpixels of a plurality of colors two-dimensionally arranged on the substrate. Each of the subpixels includes a light-emitting element with a resonator structure, and the light-emitting element includes a reflective layer, an optical path length adjustment layer, a first electrode, an electroluminescent layer, and a second electrode in this order. The optical path length adjustment layer has a facing surface facing the electroluminescent layer, and the height of the facing surface is constant for each of the subpixels of the plurality of colors. The optical path length adjustment layer includes a plurality of refractive index layers with different refractive indexes, and the optical path length adjustment layer has a different layer configuration for each of the subpixels of the plurality of colors.

The present disclosure provides an apparatus including a display element including a plurality of light-emitting elements disposed two-dimensionally on a plane and a plurality of microlenses provided for corresponding ones of the plurality of light-emitting elements, and an ocular optical system, containing at least one reflective surface therein, that guides light from a display surface of the display element to an exit pupil, wherein in a peripheral part of the display element, a center position of the light emission region of each light-emitting element and a center of the microlens corresponding to the light-emitting element are shifted from each other in a direction parallel to the plane.

A display device according to an embodiment of the present invention includes: a first substrate; light emitting elements arranged on the first substrate and including electrodes; a first insulation layer covering an edge of each of the electrodes on the first substrate; a second insulating section arranged on the light emitting elements and overlapping with the light emitting elements in plan view; a third insulating section arranged the banks, overlapping with the banks in plan view and having a lower refractive index than a refractive index of the second insulating section.

An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.

A mirror substrate includes a transparent substrate, a plurality of first mirror patterns arranged on the transparent substrate and spaced apart from each other, each of the first mirror patterns including a phase compensation layer and a first mirror layer sequentially stacked on the transparent substrate, and a second mirror layer disposed on the transparent substrate and between neighboring ones of the first mirror patterns, the second mirror layer having a second thickness less than a first thickness of the first mirror layer.

A pixel array package structure includes: a substrate; a pixel array disposed on the substrate, in which the pixel array includes a plurality of light emitting diode chips, and the light emitting diode chips include at least one red diode chip, at least one green diode chip, at least one blue diode chip, and a combination thereof; a reflective layer disposed on the substrate and between any two adjacent of the light emitting diode chips; a light-absorbing layer disposed on the reflective layer and surrounding the pixel array; and a light-transmitting layer disposed on the pixel array, the reflective layer, and the light-absorbing layer, in which the light-transmitting layer has an upper surface and a lower surface opposite thereto, and the lower surface is in contact with the pixel array, and the upper surface has a roughness of 0.005 mm to 0.1 mm.

The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance on the side as well as the front. The optical filter can be applied to an organic light-emitting device to improve visibility.

An image display module according to the present disclosure includes a first panel configured to emit first imaging light of a red wavelength region having no polarization characteristics, a second panel configured to emit second imaging light of a blue wavelength region having no polarization characteristics, a third panel configured to emit third imaging light of a green wavelength region having no polarization characteristics, and a color combined prism configured to emit combined light combined from the first imaging light, the second imaging light, and the third imaging light. The color combined prism includes a first dichroic mirror having no polarization separation characteristics, and a second dichroic mirror having no polarization separation characteristics, and a peak wavelength in the red wavelength region is equal to and greater than 630 nm and equal to or less than 680 nm.