Samsung Display Co., Ltd.

Sang Hoon Yim

Dong Chan Kim

Won Jong Kim

Dong Kyu Seo

Eung Do Kim

Da Hea Im

Chang Woong Chu

Won Suk Han

Ji Hye Lee

Yoon Hyeung Cho

Dong Hoon Kim

Jong Hyuk Lee

Sung Wook Kim

Myeong Suk Kim

Jin Soo Hwang

Kwan Hee Lee

Jin Wook Jeong

Jin Sook Bang

Eun Jeong Hong

Jinsook Bang

Seong Jin Jeong

Kyung Ho Kim

Jinyoung Choi

Byoung-Hee Park

Jin Koo Chung

Ji Young Moon

Eunjeong Hong

Jae Bok Kim

Young Seo Park

Won Jun Song

Jin Young Choi

An organic light-emitting display device includes: a plurality of pattern electrodes; a hole-transporting layer disposed on the plurality of pattern electrodes; a plurality of emission layers disposed on the hole-transporting layer and overlapping the plurality of pattern electrodes, respectively; a common electrode disposed on the emission layers; and a first auxiliary layer disposed between a first one of the pattern electrodes and a first one of the emission layers, wherein the first emission layer forms an interface with the hole-transporting layer or the first auxiliary layer, the interface having a hole barrier equal to or less than about 0.1 eV, wherein the hole-transporting layer and the first auxiliary layer have a hole mobility equal to or less than about 1.0×10cm/V·s.

Organic light-emitting display device

A display device includes a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on a substrate and emitting light of different colors, respectively; a first insulation layer disposed on the first light emitting element, the second light emitting element, and the third light emitting element, and including at least one opening; and a second insulation layer disposed on the first insulation layer, and disposed in the at least one opening, wherein a refractive index of the second insulation layer is higher than a refractive index of the first insulation layer, and the at least one opening overlaps at least one of the first light emitting element, the second light emitting element, and the third light emitting element in a plan view, and does not overlap at least another one in a plan view.

Display device

According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 Å to about 140 Å.

Organic light emitting diode

An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.

According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 &#x212b; to about 140 &#x212b;.

The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.

A display apparatus includes: a base substrate; a thin film transistor disposed on the base substrate and including an active pattern; an insulating layer disposed on the active pattern of the thin film transistor; a connection electrode disposed on the insulating layer, and electrically connected to the thin film transistor, wherein the connection electrode includes a curved wiring portion; a first via insulating layer covering the connection electrode; a first electrode disposed on the first via insulating layer; a light emitting layer disposed on the first electrode and at least partially overlapping the connection electrode; and a second electrode disposed on the light emitting layer.

Display apparatus

A light emitting diode display includes: a substrate; a light emitting element on the substrate; and a capping layer on the organic light emitting element and including a plurality of refractive layers each including a low refraction layer and a high refraction layer, wherein the high refraction layer includes a first inorganic material having a refractive index which is equal to or greater than about 1.7 and equal to or less than about 6.0, wherein the low refraction layer includes a second inorganic material having a refractive index which is equal to or greater than about 1.0 and equal to or less than about 1.7, and wherein the second inorganic material comprises at least one selected from LiF, AlF, NaF, KF, RbF, CaF, SrF, and YbF.

Organic light emitting diode display

An organic light emitting diode display including: a substrate; an organic light emitting diode on the substrate; a capping layer on the organic light emitting diode and including a high refractive layer including an inorganic material having a refractive index that is equal to or greater than about 1.7 and equal to or less than about 6.0; and a thin film encapsulation layer covering the capping layer and the organic light emitting diode, the inorganic material including at least one selected from the group consisting of CuI, thallium iodide (TlI), BaS, CuO, CuO, BiI, WO, TiO, AgI, CdI, HgI, SnI, PbI, BiI, ZnI, MoO, AgO, CdO, CoO, PrO, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.

A method of driving a display panel in an organic light-emitting display device is provided. The method determines whether a single color image is displayed on the display panel or a multiple color image is displayed on the display panel, applies an initialization voltage, for initializing an anode of an organic light-emitting element included in a non-light-emitting pixel, to the anode of the organic light-emitting element included in the non-light-emitting pixel when the multiple color image is displayed on the display panel, and applies a lateral leakage prevention voltage that is higher than the initialization voltage to an anode of an organic light-emitting element included in an adjacent non-light-emitting pixel that is located within a reference distance from a light-emitting pixel when the single color image is displayed on the display panel.

Growing community of inventors

Suwon-si, South Korea

Sang Hoon Yim