Lg Display Co., Ltd.

In Bum Song

Seung Hee Yoon

So Yeon Ahn

Jin Ho Park

Gwi Jeong Cho

Dong Hyeok Lim

Yoo Yi Son

Nam Sung Cho

Jung Keun Kim

Tae Shick Kim

Jong-Hyun Park

Seung Jae Lee

Kyung Hoon Lee

Chun Gun Park

Jong-Kwan Bin

Jong Kwan Bin

Dong-Hee Yoo

Do Han Kim

Soon Wook Cha

Bang Sook Lee

Suk Young Bae

Young Ju Ryu

Hyun-cheol Jeong

Dae Won Ryu

Sang Beom Kim

Tae Han Park

The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated.

Organic light emitting diode and organic light emitting device including the same

The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of an amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including at least one of a first hole blocking material and a second hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative, and wherein the first hole blocking material is an azine derivative, and the second hole blocking material is a benzimidazole derivative.

The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one fused aromatic or hetero aromatic ring, and optionally at least one hole blocking layer including an azine-based compound or a benzimidazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.

Organic light emitting diode and organic light emitting device having thereof

The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one polycyclic aryl group, and optionally at least one hole blocking layer including an azine-based compound or a benzimidazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.

A host material is disclosed. The host material, as a compound which is represented by the following formula 1, has a chemical structure in which nitrogen and silicon atoms are chemically and directly bonded to each other. Wherein the 'a' is one selected from a material group which includes N, S, O, SOand NSiGGG, and the 'G1, G2 and G3' each become one of a hydrogen, and aromatic, heterocyclic and aliphatic groups which are or not substituted, respectively.

Host material and organic light emitting display device using the same

A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.

Red phosphorescent composition and organic electroluminescent device using the same

Growing community of inventors

Uijeongbu-si, South Korea

In Bum Song