A transparent display panel, a method for manufacturing the same, and a transparent display device are provided. the transparent display panel includes a first display substrate including: a first substrate and first pixel units thereon; and a second display substrate including: a second substrate and second pixel units thereon, the second pixel units are in one-to-one correspondence with the first pixel units, each first pixel unit includes a first display unit and a first transparent unit, and each second pixel unit includes a second display unit and a second transparent unit, an orthographic projection of the first display unit on the second substrate substantially coincides with that of the corresponding second display unit on the second substrate, and an orthographic projection of the first transparent unit on the second substrate substantially coincides with that of the corresponding second transparent unit on the second substrate.

An optoelectronic device including at least an emissive component including at least a first electrode, a second electrode, and an emissive element disposed between an emissive face of the optoelectronic device and the second electrode, a photodetector component such that the second electrode of the emissive component is disposed between the photodetector component and the emissive element. The emissive component and the photodetector component are superimposed one above the other, and the second electrode has at least one hole passing through it, disposed vertically in line with at least a part of a detection surface of the photodetector component and/or a part of the detection surface of the photodetector component is not disposed vertically in line with the second electrode and form a ring located at the external edges of the detection surface of the photodetector component.

An organic light-emitting diode display panel is disclosed. By using four display panels sequentially disposed in a stack arrangement from top to bottom, light emitted in a same direction from each of the display panels, and subpixels of the four display panels not overlapping one another, a screen resolution of the organic light-emitting diode display panel can increase by three times without increasing pixel density of masks or density of array layers.

An exposure head includes a first light emitting board group, a first lens array, a second light emitting board group, and a second lens array. The first light emitting board group is disposing a plurality of first light emitting boards each including a plurality of first light emitting elements disposed side by side in a second direction intersecting with the first direction. The plurality of first light emitting boards are disposed along the second direction and alternately in the first direction. The first lens array condenses light emitted from the plurality of first light emitting elements disposed on the first light emitting board group onto the surface of the image bearing member. The second light emitting board group is disposed in a manner separated with respect to the first light emitting board group in the first direction.

An exposure head includes a first light emitting board group, a first lens array, a second light emitting board group, and a second lens array. The first light emitting board group is disposing a plurality of first light emitting boards each including a plurality of first light emitting elements disposed side by side in a second direction intersecting with the first direction. The plurality of first light emitting boards are disposed along the second direction and alternately in the first direction. The first lens array condenses light emitted from the plurality of first light emitting elements disposed on the first light emitting board group onto the surface of the image bearing member. The second light emitting board group is disposed in a manner separated with respect to the first light emitting board group in the first direction.

The present disclosure relates to a display device and a mobile terminal including the same. The display device can comprise a first display panel including a first pixel array region and a light transmissive region, and a second display panel disposed under the first display panel and including a second pixel array region overlapping the light transmissive region. The display device can further comprise a light guide module disposed between the light transmissive region of the first display panel and the second pixel array region of the second display panel to pass light from the second pixel array region to the light transmissive region. The light guide module can refract external light incident through the light transmissive region outside of the second pixel array region.

The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.

A light-emitting device that emits green light includes a first electrode and a second electrode that are arranged in sequence, and a light-emitting layer disposed between the first electrode and the second electrode, the light-emitting layer includes a first host material and a second host material; the first host material and the second host material form an exciplex, a difference between a lowest unoccupied molecular orbital (LUMO) energy level of the first host material and a LUMO energy level of the second host material is greater than or equal to 0.5 eV, under a same test condition, a difference between an order of magnitude of a hole mobility of the first host material and an order of magnitude of an electron mobility of the second host material is greater than or equal to 1.

A light-emitting device that emits green light includes a first electrode and a second electrode that are arranged in sequence, and a light-emitting layer disposed between the first electrode and the second electrode, the light-emitting layer includes a first host material and a second host material; the first host material and the second host material form an exciplex, a difference between a lowest unoccupied molecular orbital (LUMO) energy level of the first host material and a LUMO energy level of the second host material is greater than or equal to 0.5 eV, under a same test condition, a difference between an order of magnitude of a hole mobility of the first host material and an order of magnitude of an electron mobility of the second host material is greater than or equal to 1.

A light emitting element includes a light emitting array, a plurality of cladding layers and an insulating photosensitive material layer. The light emitting array includes a first organic light emitting unit and a second organic light emitting unit. The first organic light emitting unit includes a first electrode, and the second organic light emitting unit includes a second electrode. The plurality of cladding layers includes a first cladding layer and a second cladding layer, wherein the first cladding layer covers a portion of an upper surface and a sidewall of the first electrode, and the second cladding layer covers a portion of an upper surface and a sidewall of the second electrode. The insulating photosensitive material layer is located between the sidewall of the first electrode and the sidewall of the second electrode, and the insulating photosensitive material layer partially covers the upper surface of the first electrode.