Lg Display Co., Ltd.

Heesung Material Co., Ltd.

Heesung Materials Co., Ltd.

Hye-Seung Kang

Do-Han Kim

Tae-Il Kum

Hyung-June Kim

Young-Kwan Jung

Hee-Jun Park

Dong-Jun Kim

Ki-Woog Song

Jeong-Dae Seo

Chang-Wook Han

Young-Seok No

Jae-Min Moon

Jung-Soo Park

Yoon-Heung Tak

Hyo-Seok Kim

Hyo-Kyun Ham

Eun-Ju Jeon

Woo-Sam Kim

The present disclosure relates to an organic metal compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic metal compound of the following structure. Incorporating the organic metal compound of the following structure into an emitting unit makes the OLED with improved luminous efficiency, luminous color purity and luminous lifetime.

Organic metal compound, organic light emitting diode and organic light emitting device having the compound

The present disclosure provides an organometallic compound below and an organic light emitting diode and an organic light emitting display device including the organometallic compound.

Organometallic compound, organic light emitting diode and organic light emitting device including the same

Disclosed is an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting material layer, which includes a first host, a second host and a first dopant and disposed between the first and second electrodes. The first host is represented by Formula 1, the second host may be a triazine derivative, and the first dopant may be a red, green or blue dopant. 

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

Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.

Organic light emitting device

A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.

White organic light emitting device

A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.

Light emitting device and organic light emitting display device including the same

Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels.

Organic light emitting display device

Growing community of inventors

Gimpo-si, South Korea

Hye-Seung Kang