A display panel and a producing method therefor, a vehicle-mounted rearview mirror, and a display device. The display panel comprises: a base substrate; a pixel defining layer, located at one side of the base substrate, the pixel defining layer comprising a plurality of openings distributed in an array; a cathode layer, located at the side of the pixel defining layer opposite to the base substrate; and an auxiliary cathode layer, located at the side of the cathode layer opposite to the pixel defining layer, the auxiliary cathode layer being directly in contact with and electrically connected to the cathode layer. The auxiliary cathode layer has a first thickness at positions corresponding to the plurality of the openings, and a second thickness at positions other than the openings; the first thickness is less than the second thickness.

Provided are a display panel (10) and the driving method thereof. The display panel (10) may include a first substrate (110) and a second substrate (120) opposite the first substrate (110). The first substrate (110) may include a pixel unit (100), and the pixel unit (100) may include a light emitting element (101) and a first transistor (112) for driving the light emitting element (101) to emit light. The second substrate (120) may include a second transistor (122). The second transistor (122) may be configured to have a second drift value of a second threshold voltage which has a specific relationship with a first drift value of a first threshold voltage of the first transistor (112) under same ambient condition.

The disclosure provides a double-side OLED display, the double-side OLED display includes a first light-emitting substrate, a second light-emitting substrate and a color film layer, the first light-emitting substrate and the second light-emitting substrate are disposed opposite, the color film layer is disposed between the first light-emitting substrate and the second light-emitting substrate, light from the first light-emitting substrate partially penetrates the color film layer and forms a second display image on a side of the second light-emitting substrate, light from the second light-emitting substrate partially penetrates the color film layer and forms a first display image on a side of the first light-emitting substrate. The disclosure is capable of simplifying the process and reducing the thickness of the product, meanwhile images on two sides do not influence each other during display on both sides, and directions of two images on both sides are identical.

A touch screen panel may include a liquid crystal, a first transparent electrode and a second transparent electrode provided at both sides of the liquid crystal, and a controller configured to transfer image data to the first transparent electrode and the second transparent electrode in a first mode and sense a touch of a user on at least one of the first transparent electrode and the second transparent electrode in a second mode.

A see-through organic light emitting display device including a light emitting region having a transparent anode, an organic light emitting layer, and a transparent cathode, and a see-through region having a transparent auxiliary electrode, which is configured to transmit external light. The transparent auxiliary electrode can be made from the same material as the transparent anode and separated from the transparent anode, and the transparent cathode extends into the see-through region so as to be electrically connected with the transparent auxiliary electrode.

A potential of a gate of a driving transistor is fixed, and the driving transistor is operated in a saturation region, so that a current is supplied thereto anytime. A current control transistor operating in a linear region is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor.

A display device and a method for manufacturing the same, the display device including a substrate that includes a first area and a second area; a first pixel electrode on the first area of the substrate; a first organic layer on the first pixel electrode, the organic layer including a first light emitting layer; a first counter electrode on the first organic layer; an auxiliary layer on the first counter electrode at the first area of the substrate; a second pixel electrode on the second area of the substrate; a second organic layer on the second pixel electrode, the second organic layer including a second light emitting layer; a second counter electrode on the second organic layer; and an upper reflective layer on the second counter electrode at the second area of the substrate.

A display device includes a flexible display module and provides a display area including a fingerprint recognition area, and a non-display area outside the display area. The flexible display module includes a display panel including a light-emitting element, a touch sensing unit disposed on the display panel, and a fingerprint recognition unit overlapping with the fingerprint recognition area. The touch sensing unit is configured to sense pressure applied to the flexible display module in an in-folding mode in which the flexible display module is folded such that a portion of the display area faces another portion of the display area.

A display panel comprises a driving substrate (1), a light-emitting layer (2) and a light guide layer (3); the light-emitting layer (2) is arranged on one side of the driving substrate (1) and comprises a plurality of front light-emitting units (21) and a plurality of rear light-emitting units (22), each of the rear light-emitting units (22) comprising a light source part (221) and a light extracting part (222), and the front light-emitting units (21) and the light source parts (221) being configured for emitting light towards a side away from the driving substrate (1); and the light guide layer (3) comprises a plurality of light guide parts (31), each light guide part (31) being configured to guide light emitted by the light source part (221) of a corresponding rear light-emitting unit (22) to the light extracting part (222).

The invention relates to an organic light-emitting diode (1000) with an organic layer sequence (100). The organic layer sequence (100) comprises a first organic emitter layer (1) for generating electromagnetic radiation of a first wavelength range (10) and a second organic emitter layer (2) for generating electromagnetic radiation of a second wavelength range (20). A charge carrier generation layer sequence (33), CGL for short, is arranged between the first (1) and the second (2) emitter layer, and the first emitter layer (1) and the second emitter layer (2) are electrically connected in series via said CGL. The CGL (33) additionally has a converter material which converts the radiation of the first (10) and/or the second (20) wavelength range at least partially into radiation of a third wavelength range (30). In this manner, the organic light-emitting diode (1000) can emit mixed light with components of the first (10), second (20), and third (30) wavelength range.