A display panel and a display device thereof are provided. The display panel comprises a display module comprising a first substrate and a first polarizer, wherein a light-exiting surface of the display module is arranged on an outer side of the first polarizer; a fingerprint recognition module disposed on an outer side of the first substrate and comprising a fingerprint recognition layer and a second polarizer disposed on an inner side of the fingerprint recognition layer; and a light source disposed on an inner side of the first polarizer. The fingerprint recognition layer recognizes fingerprint based on fingerprint signal light. The first polarizer is engaged with the second polarizer, such that the fingerprint signal light is transmitted through the first polarizer and the second polarizer without a light intensity loss, and the second polarizer reduces the light intensity of fingerprint noise light.

Embodiments disclosed herein relate to an electroluminescence display device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a bank layer defining the emission layer. The bank layer may be disposed between the first electrode and the second electrode. The bank layer may include a first bank layer and a second bank layer. The second bank layer may include a black pigment. The first bank layer may be closer to the first electrode than the second bank layer, and the first bank layer may have a lower permittivity than the second bank layer.

An electroluminescence display is disclosed. The electroluminescence display includes a cathode electrode having an encapsulation function. The electroluminescence display comprises: a substrate; an anode electrode on the substrate; an emission layer on the anode electrode; and a cathode electrode on the emission layer. The cathode electrode includes a plurality of conductive layers that are sequentially stacked.

A display apparatus includes a substrate including a plurality of sub-pixels; a transistor formed in each of the plurality of sub-pixels; an organic light emitting element formed in each of the plurality of sub-pixels; an encapsulation layer formed on the organic light emitting element; a reflective member disposed in a boundary region between the plurality of sub-pixels and formed inside the encapsulation layer; and a color filter layer disposed on the encapsulation layer.

An organic EL display device of active matrix type wherein insulated-gate field effect transistors formed on a single-crystal semiconductor substrate are overlaid with an organic EL layer; characterized in that the single-crystal semiconductor substrate (413 in FIG. 4) is held in a vacant space (414) which is defined by a bed plate (401) and a cover plate (405) formed of an insulating material, and a packing material (404) for bonding the bed and cover plates; and that the vacant space (414) is filled with an inert gas and a drying agent, whereby the organic EL layer is prevented from oxidizing.

The present invention is directed to a light emitting device structured so as to increase the amount of light which is taken out in a certain direction after emitted from a light emitting element, and a method of manufacturing this light emitting device. An upper end portion of an insulating material 19 that covers an end portion of a first electrode 18 is formed to have a curved surface having a radius of curvature, a second electrode 23a is formed to have a slant face as going from its center portion toward its end portion along the curved surface. Light emitted from a light emitting layer comprising an organic material 20 that is formed on the second electrode 23a is reflected at the slant face of the second electrode 23a to increase the total amount of light taken out in the direction indicated by the arrow in FIG. 1A.

An electroluminescence display can include a pixel on a substrate, and a light emitting element in the pixel. The light emitting element can include a first electrode, an emission layer on the first electrode, and a second electrode on the emission layer. The electroluminescence display can further include a light shield layer under the emission layer with a planarization layer there-between, where the light shield layer overlaps a first portion of the emission layer. A first distance is formed between the first electrode and the second electrode at the first portion of the emission layer. A second distance is formed between the first electrode and the second electrode at a second portion of the emission layer different from the first portion, and the first distance is smaller than the second distance.

A display device can include a substrate including a light emitting area and an auxiliary electrode contact portion for providing an electrical connection with one or more elements, an auxiliary electrode disposed in the auxiliary electrode contact portion and having an electrode hole, a transparent conductive layer covering the auxiliary electrode and having a concave portion above the electrode hole, at least one bank disposed on the transparent conductive layer and exposing the concave portion and an upper surface of the transparent conductive layer that is adjacent to the concave portion, an organic layer disposed on the at least one bank and the exposed upper surface of the transparent conductive layer, and a cathode electrode disposed on the organic layer and a side surface of the concave portion.

A display apparatus includes a substrate including a light emission area and a non-light emission area surrounding the light emission area, a circuit element layer provided on the substrate, a passivation layer provided on the circuit element layer, a planarization layer provided on the passivation layer, a first electrode provided on the planarization layer, a bank provided in the non-emission area on the first electrode, a light emitting layer provided on the first electrode and the bank, and a second electrode provided on the light emitting layer, wherein the planarization layer and the bank include a material that absorbs light.

A display device is provided, which includes a light sensor in a display panel. The display device comprises a substrate having a unit pixel area and a unit light sensor area, a first electrode over the substrate, a second electrode over the first electrode, a third electrode over the second electrode, a light emitting layer in the unit pixel area and disposed between the first electrode and the second electrode, and a light active layer disposed in the unit light sensor area and disposed between the second electrode and the third electrode.