H10K59/32

DISPLAY DEVICE, DISPLAY PANEL AND MANUFACTURING METHOD THEREOF, DRIVING CIRCUIT AND DRIVING METHOD

The present disclosure relates to a display device, a display panel and a driving circuit, and a driving method. The display panel includes a driving backplane and a light emitting device layer, and the driving backplane includes multiple pixel driving circuits, the light emitting device layer includes multiple light emitting units distributed in an array, the light emitting unit includes multiple light emitting devices stacked in a direction away from the driving backplane, and light emitting devices other than a light emitting device closest to the driving backplane in a direction perpendicular to the driving backplane are transparent devices; and in the same light emitting unit, at least part of the light emitting devices are coupled to the pixel driving circuits for emitting light under driving of the pixel driving circuits, and at least two light emitting devices in the same light emitting unit have different light emitting materials.

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
20230165095 · 2023-05-25 ·

A light-emitting device includes: an OLED substrate including a structure wherein at least one blue emission unit and at least one green emission unit are stacked, and wherein the OLED substrate emits blue light and green light; and a color control unit located in a path of light emitted from the OLED substrate, wherein at least one green emission unit includes a first compound and a second compound, the first compound emits first light having a first spectrum, and λP(1) is a first emission peak wavelength, the second compound emits second light having a second spectrum, and λP(2) is a second emission peak wavelength, an absolute value of the difference between λP(1) and λP(2) is from 0 nanometer to about 30 nanometer, and λP(1) and λP(2) are each independently from about 500 nanometer to about 570 nanometer.

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
20230165095 · 2023-05-25 ·

A light-emitting device includes: an OLED substrate including a structure wherein at least one blue emission unit and at least one green emission unit are stacked, and wherein the OLED substrate emits blue light and green light; and a color control unit located in a path of light emitted from the OLED substrate, wherein at least one green emission unit includes a first compound and a second compound, the first compound emits first light having a first spectrum, and λP(1) is a first emission peak wavelength, the second compound emits second light having a second spectrum, and λP(2) is a second emission peak wavelength, an absolute value of the difference between λP(1) and λP(2) is from 0 nanometer to about 30 nanometer, and λP(1) and λP(2) are each independently from about 500 nanometer to about 570 nanometer.

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

A light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a third layer between the emission layer and the second electrode, a first layer between the third layer and the second electrode, and a second layer between the first layer and the third layer. The first layer includes a first metal-free material and a first metal-containing material, the second layer includes a second metal-free material and a second metal-containing material, the first metal-free material and the second metal-free material are different from each other, the first metal-containing material and the second metal-containing material are different from each other, and the third layer consists of a third metal-free material. Embodiments include an electronic apparatus including the light-emitting device.

DISPLAY DEVICE

A display device includes display area; a non-display area; a display substrate; and a color conversion substrate disposed on the display substrate, the display substrate includes a first base portion, and a light emitting element disposed in the display area on the first base portion, the color conversion substrate includes a second base portion facing the first base portion, and a color filter layer disposed between the second base portion and the light emitting element, the display area includes a first light emitting area emitting first light, the color filter layer includes a first color filter disposed in the first light emitting area, and the first color filter includes at least two layers.

Organic light-emitting display device and method of manufacturing the same
11659737 · 2023-05-23 · ·

An organic light-emitting display apparatus including: a substrate including a display area and a peripheral area at an outer side of the display area; a pixel electrode disposed in the display area of the substrate; a pixel-defining layer disposed on the pixel electrode and exposing at least a portion of the pixel electrode; an intermediate layer disposed on the pixel electrode; an opposite electrode disposed on the intermediate layer; a first conductive layer disposed in the peripheral area of the substrate and including at least one opening; a first block structure and a second block structure disposed on the first conductive layer and separated from each other with the at least one opening therebetween; and an encapsulation structure disposed on the opposite electrode in the display area and the peripheral area.

Display Stack with Integrated Photodetectors

An electronic device includes a frame and a display stack. The frame defines a first part of an interior volume. The display stack includes a cover attached to the frame. The cover may define a second part of the interior volume. The display stack also includes an array of organic light-emitting diodes (OLEDs) including an array of emissive electroluminescent (EL) regions, and at least one organic photodetector (OPD) disposed between the cover and at least one emissive EL region in the array of emissive electroluminescent regions. The at least one emissive EL region emits light through the at least one OPD. In alternative embodiments, the OLEDs may be stacked on the OPDs, or the OLEDs and OPDs may be interspersed with each other instead of stacked.

Display Stack with Integrated Photodetectors

An electronic device includes a frame and a display stack. The frame defines a first part of an interior volume. The display stack includes a cover attached to the frame. The cover may define a second part of the interior volume. The display stack also includes an array of organic light-emitting diodes (OLEDs) including an array of emissive electroluminescent (EL) regions, and at least one organic photodetector (OPD) disposed between the cover and at least one emissive EL region in the array of emissive electroluminescent regions. The at least one emissive EL region emits light through the at least one OPD. In alternative embodiments, the OLEDs may be stacked on the OPDs, or the OLEDs and OPDs may be interspersed with each other instead of stacked.

Organic Electronic Device

Embodiments of the present invention relate to an organic electronic device capable of ensuring high luminous efficiency, low driving voltage and high heat resistance, and improving color purity or lifespan.

Display substrate having bridge connected island portions and display device

A display substrate includes a substrate, including a plurality of island portions spaced apart from each other and a plurality of bridge portions connected between the island portions, the substrate having a plurality of openings in regions without the plurality of island portions and the plurality of bridge portions; a layer structure on each of the plurality of island portions and including a light-emitting layer, a common auxiliary layer and a first electrode layer stacked with each other, the layer structure on each of the plurality of island portions forms at least one light-emitting unit. On each of the plurality of island portions, an orthographic projection of the common auxiliary layer on the island portion covers an orthographic projection of the light-emitting layer on the island portion.