H10K50/856

LIGHT EMITTING DISPLAY DEVICE
20230217689 · 2023-07-06 · ·

A light emitting display device capable of vertically and horizontally adjusting an area where the energy of light is concentrated when laser light for repair is radiated, the adjusted area corresponds to an anode separation region, so that normal repair can be performed and damages on a cathode caused by energy concentration can be prevented by changing a structure under the cathode.

Light emitting display apparatus having improved light extraction and color gamut
11552270 · 2023-01-10 · ·

A light emitting display apparatus includes a substrate including a plurality of sub-pixels; an overcoating layer on the substrate and having a base portion and a protrusion portion; a first electrode disposed to cover a side portion of the protrusion portion and the base portion at the plurality of sub-pixels; a bank layer covering a portion of the first electrode and the overcoating layer; and a light emitting layer and a second electrode on the first electrode and the bank layer at the plurality of sub-pixels. The first electrode includes a reflective layer and a transparent conductive layer on the reflective layer, the transparent conductive layer includes a first portion on the base portion and a second portion on a side surface of the protrusion portion, and a thickness of the second portion is greater than a thickness of the first portion.

COLOR CHANGING SUBSTRATE AND DISPLAY DEVICE INCLUDING THE SAME
20230006112 · 2023-01-05 ·

A color changing substrate comprises a substrate comprising emission areas and non-emission areas, a color filter layer on the substrate and comprising a light blocking member partitioning the emission areas and the non-emission areas, and a plurality of color filters in areas surrounded by the light blocking member, a bank overlapping the light blocking member, a wavelength control layer comprising wavelength conversion layers and a light transmitting layer in areas surrounded by the bank, a reflective layer overlapping the bank, a first metal oxide layer overlapping the reflective layer, and a self-assembled layer overlapping the first metal oxide layer.

Display device and electronic apparatus with relative misalignment between pixel and color filter
11545649 · 2023-01-03 · ·

[Object] To make it possible to improve light extraction efficiency while realizing a desired viewing angle characteristic for each pixel. [Solution] Provided is a display device, including: a plurality of light emitting sections formed on a substrate; and reflectors provided above the light emitting sections with respect to the plurality of light emitting sections positioned in at least a partial region of a display surface, lower surfaces of the reflectors reflecting part of emission light from the light emitting sections. The light emitting sections and the reflectors are arranged in a state in which centers of the reflectors are shifted from centers of luminescence surfaces of the light emitting sections in a plane perpendicular to a stacking direction so that light emitted in a direction other than a desired direction among the emission light from the light emitting sections is reflected.

Display device including light emitting element including reflection electrode on which multiple metallic conductive layers are stacked and method for manufacturing same

A wiring line is provided on a TFT layer, in which the wiring line is formed in the same layer and formed of the same material as those of a reflection electrode. The reflection electrode includes a plurality of metallic conductive layers made up of a low resistance metallic material, an oxide-based lower transparent conductive layer provided on a lower surface side of a lowermost metallic conductive layer constituting a lowermost layer, an oxide-based upper transparent conductive layer having light reflectivity and provided on an upper surface side of an uppermost metallic conductive layer constituting an uppermost layer, and an oxide-based intermediate transparent conductive layer provided between the plurality of metallic conductive layers.

Organic light-emitting display panel and manufacturing method thereof
11545652 · 2023-01-03 · ·

An OLED panel includes a substrate, a first electrode layer, a pixel definition layer, a light-emitting layer, a second electrode layer, a conductive wall, a planarization layer, and a third electrode layer. The planarization layer is disposed on a surface of the second electrode layer facing away from the substrate and includes second openings; the conductive wall is disposed in the second openings, is made of an elastic material, and includes peaks and valleys spaced apart from each other; the third electrode layer is disposed on a side of the conductive wall facing away from the substrate and is in contact with the peaks.

Light emitting display device and method of fabricating the same

According to an aspect of the present disclosure, a light emitting display device includes a substrate defined by a plurality of sub-pixels and a first overcoating layer disposed on the substrate, a connection electrode and a sacrificial layer disposed on the first overcoating layer, a first electrode disposed on the connection electrode, a second overcoating layer disposed on the sacrificial layer and including an opening that exposes a portion of the first electrode, a dummy first electrode disposed on a top surface of the second overcoating layer and a side surface of the opening and separated from the first electrode, a bank layer covering the dummy first electrode and a portion of the first electrode, and an emission layer and a second electrode disposed on the first electrode and the bank layer.

Display device

A display device includes a thin-film transistor layer disposed on a substrate and including thin-film transistors; and an emission material layer disposed on the thin-film transistor layer. The emission material layer includes light-emitting elements each including a first light-emitting electrode, an emissive layer and a second light-emitting electrode, light-receiving elements each including a first light-receiving electrode, a light-receiving semiconductor layer and a second light-receiving electrode, and a first bank disposed on the first light-emitting electrode and defining an emission area of each of the light-emitting elements. The light-receiving elements are disposed on the first bank.

Enhanced OLED outcoupling by suppressing surface plasmon modes

A number of new solutions for enhancing the extraction of waveguided mode and suppressing surface plasmon polariton mode in OLEDs are disclosed.

Organic light emitting diode including electrode structure formed of transparent electrode and light emitting layer and manufacturing method thereof

An organic light emitting diode and a manufacturing method thereof, a display panel are provided. The organic light emitting diode includes a light emitting structure and a first electrode structure. The first electrode structure is configured to drive the light emitting structure to emit light and includes a first electrode and a light reflecting layer, the light reflecting layer is disposed on a side of the first electrode away from the light emitting structure, wherein the first electrode and at least a portion of the light reflecting layer are overlapped with each other in a first direction, an insulating layer is at least partially disposed between the at least part of the light reflecting layer and the first electrode overlapped with each other, and the first direction is perpendicular to a plane on which the light reflecting layer is located.