A display panel, a preparation method, and a display device are disclosed, including an array substrate, an organic light emitting diode (OLED) light emitting device disposed on a side of the array substrate, and a scattering layer disposed on a side of the OLED light emitting device away from the array substrate, wherein the scattering layer has a plurality of micropores.

An organic light emitting element includes a reflection layer, a first electrode, an organic layer including a light emitting layer, and a second electrode, arranged in this order from a side of a substrate. The reflection layer includes a first portion having a first thickness and a second portion having a second thickness smaller than the first thickness. The first electrode overlaps with the second portion, and at least part of an edge of the first electrode overlaps with the second portion in a planar view with respect to the substrate.

Local passive matrix displays and methods of operation are described. In an embodiment, the display includes a pixel driver chip coupled with a matrix of rows and columns of LEDs. The pixel driver chips may be arranged in rows across the display with separate portions to operate separate matrices of LEDs.

A display substrate, a manufacturing method thereof and a display device are provided, and the display substrate includes pixel units, each of the pixel units is provided with a thin film transistor, a pixel electrode and a common electrode; the pixel electrode and the common electrode are arranged in a same layer and insulated from each other, the pixel electrode includes a plurality of strip-shaped pixel sub-electrodes, the common electrode includes a plurality of strip-shaped common sub-electrodes, the plurality of strip-shaped pixel sub-electrodes (104) and the plurality of strip-shaped common sub-electrodes are alternately distributed, and an interval width between each pixel sub-electrode and each common sub-electrode adjacent to the pixel sub-electrode is from 1 μm to 5 μm. The display substrate is configured for solving the problem of low charging rate in large size display panels.

Provided are a luminous member, a method of driving the luminous member, a non-volatile memory device, a sensor, a method of driving the sensor, and a display apparatus. The luminous member includes a first electrode; a second electrode facing the first electrode; an emission layer, which is disposed on a main surface of the first electrode and emits light by power applied between the first electrode and the second electrode; and a ferrodielectric layer disposed between the emission layer and the second electrode, wherein AC power applied to the luminous member is controlled based on polarity or magnitude of a residual polarization generated in the ferrodielectric layer, thereby adjusting emission characteristics of the emission layer.

Local passive matrix displays and methods of operation are described. In an embodiment, the display includes a pixel driver chip coupled with a matrix of rows and columns of LEDs. The pixel driver chips may be arranged in rows across the display with separate portions to operate separate matrices of LEDs.

An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a polarizer function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a laminate which has a substrate, an inorganic layer, and an organic layer, and the organic layer contains an organic dichroic pigment.

Providing a light-emitting element emitting light in a broad emission spectrum. A combination of a first organic compound and a second organic compound forms an exciplex. The first organic compound has a function of converting triplet-excitation energy into light emission. The lowest triplet excitation level of the second organic compound is higher than or equal to the lowest triplet excitation level of the first organic compound, and the lowest triplet excitation level of the first organic compound is higher than or equal to the lowest triplet excitation level of the exciplex. Light emission from a light-emitting layer includes light emission from the first organic compound and light emission from the exciplex.

The present invention relates to a flexible organic EL device comprising, on one of the surfaces of an organic resin base, an inorganic protective layer, an organic EL light emitting part, a buffer layer, and a breakage-resistant layer in this order, wherein the buffer layer is a silicone or EPDM containing layer and an elastic modulus of the breakage-resistant layer at 5 to 35° C. is 100 MPa to 300 GPa.

A display device is includes: a display substrate including: a pixel area provided in plurality separated from each other, and a plurality of through holes separated from each other; a light-emitting diode provided in plurality arranged in the pixel areas; and a wiring line provided in plurality comprising a first wiring line and a second wiring line which are each electrically connected to the light-emitting diode.