A liquid crystal display (LCD) device and an organic light-emitting diode (OLED) display device are disclosed. The LCD device includes a base substrate, a display module, and a liquid crystal lens layer. The display module includes a fingerprint recognition sensor. The OLED display device includes a base substrate, a fingerprint recognition sensor, a two-layered liquid crystal lens layer, and an OLED display. The liquid crystal lens layer is configured to be switchable between a non-lens state and a lens state. By adopting liquid crystal lenses with holes, utilization of reflected light reflected by a fingerprint can be improved and imaging quality can be optimized.

A display module includes a first display component including a first light-emitting member and a translucent member, and a second display component including a second light-emitting member. The second display component is arranged at a side away from a light-emitting surface of the first display component, and the second display component and the first display component emit light toward a same side. At least a part of the second light-emitting member overlaps with the translucent member in a light-emitting direction of the first light-emitting member and the second light-emitting member. The second light-emitting member is translucent.

An electronic device may have a display mounted in a housing. The display may be mounted on a front side of the device and the housing may have a housing wall on the rear side of the device. The display may be formed from an array of pixels configured to display an image for a user. Pixel-free border areas that run along the edges of the array of pixels may be provided with an edge illuminator. The edge illuminator may provide illumination to the border areas during operation of the device. The edge illuminator may have crystalline semiconductor light-emitting diode dies, backlit liquid crystal devices or electrophoretic display components, or may have a light guide that is supplied with illumination from a light-emitting diode.

A display medium comprises a flat member that reflects light, in which the flat member is divided into a plurality of unit cells, and each of the plurality of unit cells is divided into a predetermined number of subcells corresponding to a predetermined number of azimuth angles. Projecting members having a light-blocking surface are formed perpendicular to the flat member on top of the flat member and parallel to a predetermined azimuth angle in each subcell corresponding to the predetermined azimuth angle. The subcells include a plurality of microcells for expressing a color of the content

An electronic device includes an electronic module, a display panel including a first area overlapping the electronic module and a second area surrounding at least a portion of the first area, and a polarizing plate which is disposed on the display panel and includes a polarizer layer in an uppermost layer, wherein the polarizing plate includes a transmissive area which overlaps the first area and in which at least one recess is defined, and a polarizing area overlapping the second area, so that an electronic device may be provided which has improved light transmittance in a portion overlapping an electronic module.

A display device includes a sub-pixel unit, the sub-pixel unit includes: a reflective liquid crystal display unit with a reflective display region, including a liquid crystal layer and a reflective layer; and a electroluminescent display unit with a light-emitting display region, wherein the light-emitting display region is overlapped with the reflective display region; wherein the reflective layer and the electroluminescent display unit are located on both sides of the liquid crystal layer respectively.

An object of the present invention is to provide a phase difference plate for an organic EL display device having excellent light resistance, an organic EL display device, and a method for producing a phase difference plate. The phase difference plate for an organic EL display device of an embodiment of the present invention has a phase difference layer formed from a composition containing a polymer having a repeating unit A including a photo-alignment group and a polymerizable liquid crystal compound having reciprocal wavelength dispersion, in which the photo-alignment group includes a double bond structure of C═C or C═N.

An organic light-emitting display device includes a first substrate having sub-pixel areas, each sub-pixel area having a light-emitting area and a non-light-emitting area; thin-film transistors respectively in non-light-emitting areas of the sub-pixel areas; a first planarization layer in the sub-pixel areas while covering the thin-film transistors; organic light-emitting elements on the first planarization layer and in light-emitting areas of the sub-pixel areas; a liquid crystal layer on the organic light-emitting elements and in the sub-pixel areas and in an area between the sub-pixel areas; and a second substrate on the liquid crystal layer. Liquid crystal molecules of the liquid crystal layer in the light-emitting areas are in a hybrid alignment. In the hybrid alignment, an alignment of the liquid crystal molecules gradually changes from a horizontal alignment to a vertical alignment. Liquid crystal molecules of the liquid crystal layer in the non-light-emitting areas are in a tilted alignment.

A display device includes a viewing angle control layer including a liquid crystal layer disposed on a second electrode of an organic light-emitting element and the control electrode disposed on the liquid crystal layer, the control electrode includes a plate electrode and a plurality of tip electrodes protruding from the plate electrode toward the second electrode, wherein the plurality of tip electrodes are arranged within a light-emitting area of the organic light-emitting element, and the liquid crystal layer includes positive c-plate liquid crystal molecules aligned vertically.

Provided are a display panel, a driving method thereof and a display device. The display panel includes a substrate, a pixel unit layer and an electrochromic layer. The pixel unit layer includes multiple pixel units arranged in an array and each pixel unit includes a main pixel region and a sub-pixel region. Along a direction facing away from the substrate, the main pixel region includes a first electrode, an organic light-emitting layer and a second electrode, and the sub-pixel region includes a third electrode and a fourth electrode. The first electrode is disposed in the same layer as the third electrode, the second electrode is disposed in the same layer as the fourth electrode, and the main pixel region is insulated from the sub-pixel region. The electrochromic layer is disposed on one side of the pixel unit layer facing away from the substrate.