An OLED display panel, a method of forming a display panel and a display device are provided. An OLED display panel, including a transparent base and a plurality of pixel repeating units arranged on the transparent base in an array distribution, where at least one of the pixel repeating units includes: a display function layer and a specular function layer between the display function layer and the transparent base; where the specular function layer includes a specular reflection area and a light-transmitting area; the display function layer includes a first pixel area and a second pixel area, the first pixel area is provided with a first OLED light-emitting unit, and the first OLED light-emitting unit is configured to emit light in a direction away from the transparent base; the second pixel area is provided with a second OLED light-emitting unit, the second OLED light-emitting unit is configured to emit light toward the transparent base, and the emitted light is able to pass through the light-transmitting area.

A transparent display device has improved transparency. The transparent display device includes a substrate having transmissive areas and a non-transmissive area disposed between the transmissive areas. A first signal line is provided in the non-transmissive area and extended in a first direction. A second signal line is provided in the non-transmissive area and extended in a second direction. A first pixel includes a first subpixel, a second subpixel and a third subpixel, which are overlapped with at least a portion of the second signal line and disposed substantially in a line in the second direction. A second pixel disposed adjacent to the first pixel includes a first subpixel, a second subpixel and a third subpixel, which are overlapped with at least a portion of the second signal line and disposed substantially in a line in the second direction. The first pixel and the second pixel are disposed between two transmissive areas.

A transparent display device for providing only a viewer located at the front with an image is disclosed. The transparent display device comprises a substrate provided with a first subpixel, a second subpixel and a third subpixel, a first electrode provided in each of the first subpixel, the second subpixel and the third subpixel on the substrate, a light emitting layer provided on the first electrode, a second electrode provided on the light emitting layer, an upper color filter provided over the second electrode, a lower color conversion layer provided between the substrate and the first electrode, and a lower color filter provided between the substrate and the lower color conversion layer.

The present disclosure provides a transparent OLED substrate, a display panel, and an OLED substrate. The transparent OLED substrate includes: a base substrate; a first electrode layer formed over the base substrate; a pixel defining layer formed over the first electrode layer, the pixel defining layer including a plurality of pixel defining holes penetrating the pixel defining layer to the first electrode layer, and an exposed area of the first electrode layer is equal to an area of the pixel defining hole; a light emitting layer formed over the pixel defining layer and including organic light emitting blocks; a second electrode layer formed over the light emitting layer; wherein each of the pixel defining holes corresponds to a plurality of the organic light emitting blocks.

A display device that can switch between normal display and see-through display is provided. Visibility in see-through display is improved. A liquid crystal element overlaps with a light-emitting element. The light-emitting element, a transistor, and the like overlapping with the liquid crystal element transmit visible light. When the liquid crystal element blocks external light, an image is displayed with the light-emitting element. When the liquid crystal element transmits external light, an image displayed with the light-emitting element is superimposed on a transmission image through the liquid crystal element.

A portable information handling system presents visual images in a tablet configuration having a housing in a closed position by passing the visual images through a switchable film having a transparent state and out an upper surface of housing. The housing opens to a clamshell configuration to expose the display at the inner housing surface and presents display visual images against an opaque state of the switchable film. A graphics processor or timing controller adjusts the visual image orientation based upon whether the display is viewed from the inner surface or outer surface.

The present invention provides a display panel and a display device, the display panel includes a first substrate; and a second substrate disposed opposite to the first substrate; and further includes two pixel layers, respectively a first pixel layer and a second a pixel layer; the first pixel layer is disposed on a surface of one side of the first substrate; and the second pixel layer is disposed on a surface of the second substrate facing the first pixel layer. The technical effect of the present invention is to improve the pixel resolution of the display panel.

An electromagnetic wave sensor device according to an aspect of the disclosure, comprising: a first sensor configured to perform an output in accordance with electromagnetic waves absorbed by a first quantum dot, an upper limit wavelength of electromagnetic waves absorbable by the first quantum dot being a first wavelength, a second sensor configured to perform an output in accordance with electromagnetic waves absorbed by a second quantum dot different from the first quantum dot, an upper limit wavelength of electromagnetic waves absorbable by the second quantum dot being a second wavelength longer than the first wavelength; and a calculation unit configured to calculate a difference between the output of the second sensor and the output of the first sensor.

The present invention provides a method for manufacturing a highly reliable display device at a low cost with high yield. According to the present invention, a step due to an opening in a contact is covered with an insulating layer to reduce the step, and is processed into a gentle shape. A wiring or the like is formed to be in contact with the insulating layer and thus the coverage of the wiring or the like is enhanced. In addition, deterioration of a light-emitting element due to contaminants such as water can be prevented by sealing a layer including an organic material that has water permeability in a display device with a sealing material. Since the sealing material is formed in a portion of a driver circuit region in the display device, the frame margin of the display device can be narrowed.

A display apparatus and a display control method are provided. The display apparatus includes an organic light-emitting display device having electrostatic attraction and including a transparent cathode layer and a transparent anode layer, so that the organic light-emitting display device can achieve bidirectional light emission; frustrated total reflection devices positioned on both sides of the organic light-emitting display device respectively and each including an active film layer and a frustrated switch, wherein the frustrated switch is turned on or off according to a received control signal to control whether the active film layer has electrostatic attraction; and a sealant bonded between the organic light-emitting display device and the frustrated total reflection devices to form a gap therebetween. When the active film layer has electrostatic attraction, the light emitted by the organic light-emitting display device is emitted from the active film layer.