H01J1/62

Display device

A display device includes a substrate, a light-emitting member, and an anti-reflective glass layer. The light-emitting member is on the substrate. The anti-reflective glass layer is over the light-emitting member, and the anti-reflective glass layer has a transmittance of 40-95%. The anti-reflective glass layer includes a glass layer and a light-absorbing layer. The glass layer has a rough top surface and a haze of 70-80%. The light-absorbing layer is on the rough top surface of glass layer.

System and method for matching electrode resistances in OLED light panels
10797258 · 2020-10-06 · ·

Provided are an OLED device and a method of manufacturing the OLED device that may provide improved luminance uniformity. The disclosed OLED may have a first electrode that has a first sheet resistance Rs, and a second electrode that has a second sheet resistance, wherein the second sheet resistance may be in the range of 0.3 Rs-1.3 Rs. In addition, the disclosed OLED may have a plurality of equal potential difference between points on a first electrode and a second electrode. The equal potential difference may be provided by a gradient resistance formed on at least one of the electrodes.

System and method for matching electrode resistances in OLED light panels
10797258 · 2020-10-06 · ·

Provided are an OLED device and a method of manufacturing the OLED device that may provide improved luminance uniformity. The disclosed OLED may have a first electrode that has a first sheet resistance Rs, and a second electrode that has a second sheet resistance, wherein the second sheet resistance may be in the range of 0.3 Rs-1.3 Rs. In addition, the disclosed OLED may have a plurality of equal potential difference between points on a first electrode and a second electrode. The equal potential difference may be provided by a gradient resistance formed on at least one of the electrodes.

Organic light emitting diode display

An organic light emitting diode (OLED) display includes a substrate where OLEDs are formed and an encapsulation member fixed onto the substrate while covering the OLEDs. The encapsulation member includes a photochromic material so that the encapsulation member is colored by external light.

Light emitting device and manufacturing method of the light emitting device

A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

Light emitting device

A light emitting device 1 includes: a substrate 30; and a phosphor layer 40 composed in such a manner that a large number of phosphor particles 60 are adhered onto a flat surface 32 of the substrate 30. At least one of the phosphor particles 60 is a polyhedral phosphor particle 65 that is monodispersed, is derived from a crystal structure of garnet and has facets, and a median particle size D.sub.50 of the polyhedral phosphor particle 65 is 30 m or more and a maximum thickness of the phosphor layer 40 or less. It is preferable that at least one of the phosphor particles 60 adhered onto the flat surface 32 of the substrate 30 is the polyhedral phosphor particle 65 that is monodispersed, is derived from the crystal structure of the garnet, and has the facets.

Curved display, display module and display terminal

A flexible curved display comprises a flexible glass portion and a flexible display panel connected to the flexible glass portion. The flexible display panel comprises a flat section and a bending section, the flat section and the bending section projecting along a same projection direction to respectively define a first projection area and a second projection area on a same projection plane; a plurality of pixels on the flexible display panel projecting along the projection direction to define plural projection points on the projection plane, the projection points satisfying a predetermined condition, and the predetermined condition comprising same distance between adjacent projection points along a same reference direction. The distance between the subpixels of the bending section is the same as the distance between the subpixels of the flat section. Thus, it can solve deformation issues and improve display performance.

Light-emitting element, lighting device, light-emitting device, and electronic device

A light-emitting element whose degree of deterioration with driving time is improved and of which emission colors are easily controlled. A light-emitting emitting element having a first electrode, a second electrode, and a layer containing an organic compound located between the first electrode and the second electrode, in which the layer containing the organic compound at least has, from the second electrode side, a light-emitting layer in which a first layer, a second layer, and a third layer are stacked, and a hole-transporting layer provided in contact with the third layer; the first layer contains a first organic compound and a second organic compound; the second layer contains a third organic compound and a fourth organic compound; and the third layer contains the first organic compound and a fifth organic compound.

Flexible display panel and display apparatus including the same
10616972 · 2020-04-07 · ·

A flexible display panel and a display apparatus including the flexible display panel are disclosed. The flexible display panel includes an encapsulated panel, a first protective film on one side of the encapsulated panel, and a second protective film on another side of the encapsulated panel. The encapsulated panel includes a flexible panel and a flexible encapsulation member on the flexible panel. The flexible panel includes a first region on a first plane and that includes a display region, and a second region on a second plane that is bent with respect to the first plane and that includes a non-display region. The flexible encapsulation member encapsulates the display region. The display apparatus also includes a support unit for maintaining a shape of the flexible panel.

Electroluminescent element within laminate
10612766 · 2020-04-07 · ·

A laminate having an electroluminescent element disposed within the laminate is disclosed. The laminate includes a first paper layer having at least first and second vias through the first paper layer; a first electrically-conductive layer comprising an electrically-conductive material, the first electrically-conductive layer being disposed over the first paper layer; a dielectric layer disposed over the first electrically-conductive layer; a light emissive layer comprising an electroluminescent material, the light emissive layer being disposed over the dielectric layer; a second electrically-conductive layer comprising a translucent electrically-conductive material, the second electrically-conductive layer being disposed over the light emissive layer; an insulating layer disposed over the second electrically-conductive layer. The first paper layer and the insulating layer encapsulate the first electrically-conductive layer, the dielectric layer, the light emissive layer, and the second electrically-conductive layer.