Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Samsung Mobile Display Co., Ltd.

Other

Seoul National University

Sun-Young Lee

Yoon-Hyun Kwak

Bum-Woo Park

Jong-Hyuk Lee

Min-Ho Oh

Byoung-Duk Lee

Yoon-Hyeung Cho

So-Yeon Kim

Ji-Youn Lee

Jong-Won Choi

Wha-Il Choi

Won-Jong Kim

Yong-Tak Kim

So-Young Lee

Jin-Baek Choi

Jong-hyuk Lee

So-young Lee

Seok-Hwan Hwang

Young-Kook Kim

Hye-Jin Jung

Jin-O Lim

Byoung-Hee Lee

Sang-Hyun Han

Tae-Eon Kim

Chang-Ho Lee

Hee-Joo Ko

Se-Jin Cho

Jung-Eun Han

Young-Woo Song

Sung-Chul Kim

Kyung-Hee Lee

Byoung-Uk Yoon

Seung-han Lee

Han-Bom Park

Jae-Hee You

Young-Bae Park

Ho-Chul Hwang

Jin-Young Yun

Jun-Tai Kim

Mi-Hyang Kim

Ki-Won Kim

Bo-Ra Lee

Jae-young Park

Yoon-Hyeong Cho

Kwan-Hee Lee

Ki-chul Kim

Dong-Hun Lee

Jin-Sung Kim

Jae-Heung Ha

Bon-Young Koo

Joon-Gu Lee

Yoon Hyeung Cho

Sam-Il Kho

Dae-Yup Shin

Hye-In Jeong

Jae-Jong Han

Mie-Hwa Park

Young-Nam Kim

Hyun-Jun Sim

Seung-Han Lee

Young-Bae Ji

Bo-Ram Kim

Jin-Hyuk Choi

Sung-ho Kang

Han-ki Lee

Pyung Moon

Yong-hun Lee

Do-Young Yoon

Myoung-Rack Lee

Yoo-Shin Song

Sung-chul Kim

Wha-II Choi

Jeong-Hwan Yoon

Ka-Yeon Kim

Hyun-Dam Jeong

Jin-beak Choi

Un-ki Kim

Myung-Cheol Lee

An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first surface facing in a first direction and a second surface facing in a second direction that is opposite to the first direction, the first surface comprising an at least partially transparent part and at least one opening formed adjacent to the at least partially transparent part; a camera positioned inside the housing, the camera comprising an image sensor facing in the first direction through the at least partially transparent part of the housing; and an acoustic component arranged between the first surface and the second surface, the acoustic component comprising a vibration plate configured to generate a sound such that the same moves in at least one direction selected from the first and second directions, a first passage formed in a third direction that is substantially perpendicular to the first direction such that the generated sound passes through the same, and a second passage formed along a fourth direction that is different from the third direction so as to connect the first passage and the at least one opening; a wireless communication circuit positioned inside the housing and electrically connected to the acoustic component so as to provide the acoustic component with a signal regarding the sound; a display exposed through the first surface and positioned adjacent to the camera; and a processor positioned inside the housing and electrically connected to the camera, the acoustic component, the wireless communication circuit, and the display. Various other embodiments are also possible.

Electronic device

A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound: 

Heterocyclic compound and organic light-emitting device including the same

An organic light-emitting diode includes a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode; a hole migration region disposed between the first electrode and the emission layer; and an electron migration region disposed between the emission layer and the second electrode, wherein the hole migration region comprises a first compound represented by Formula 1 below, and at least one of the hole migration region and the emission layer comprises a second compound represented by Formula 2 below. Substituents in Formulae 1 and 2 are the same as described in the specification. 

Organic light-emitting diode

Embodiments of the present invention are directed to a condensed-cyclic compound represented by Formula 1, and to an organic light-emitting diode including the same. 

Condensed-cyclic compound and organic light-emitting diode comprising the same

An organic light-emitting device includes an emission layer including a dopant comprising a first compound represented by Formula 1 and a host comprising a second compound represented by Formula 100 wherein in Formulae 1 and 100, X, X, R, R, R, Rto R, L, a, n and m are the same as defined in the present application.

Organic light-emitting device

A mobile apparatus and control method thereof are provided, which includes an audio data signal input unit arranged to receive an audio data signal. An audio output unit is arranged to output an audio signal according to the received audio data signal within a first reproduction frequency. A balanced armature is arranged to output an audio signal according to the received audio data signal within a second reproduction frequency band. The second reproduction frequency band is different from the first reproduction frequency band. An audio signal processor is arranged to adjust the first reproduction frequency band and the second reproduction frequency band such that a combination of the first reproduction frequency band and the second reproduction frequency band is wider than the first reproduction frequency band and the second reproduction frequency band individually.

Mobile apparatus and control method thereof

A method of performing a surface treatment includes passivating a surface of an insulating part in a reaction chamber, and then performing a hydrogen plasma annealing treatment on a substrate in the reaction chamber. The passivation of the surface of the insulating part includes supplying a nitrogen-based gas into the reaction chamber and exciting the nitrogen-based gas in the reaction chamber using a plasma generator.

Method for preparing hydrogen plasma annealing treatment, method for performing hydrogen plasma annealing treatment, and apparatus therefor

An organometallic compound may be represented by one selected from the group of Formulae 5 to 8: 

Organometallic compound and organic light-emitting device including the same

Heterocyclic compounds, synthetic methods for preparing the same, and organic light-emitting display devices comprising the same are described. The subject heterocyclic compounds may comprise an aromatic ring or a heteroaromatic ring fused with a carbazole, dibenzothiophene, or dibenzofurane derivative, the compounds featuring rigid backbone structures with high glass transition temperatures and high melting points. The subject heterocyclic compounds may exhibit high electrical stability, improved charge transport ability, high heat resistance and improved light-emitting properties when used in organic light-emitting devices. Organic light-emitting display devices prepared according to the present invention exhibit lower driving voltages, increased luminescent efficiencies and longer lifetimes.

Heterocyclic compounds and organic light-emitting devices including the same

A speaker device and an electronic device including the speaker device. The speaker device includes a speaker body, which includes a front surface, a rear surface, and a side surface provided between the front surface and the rear surface, and a sealing member provided to enclose at least the side surface of the speaker body, in which the sealing member isolates sound output through the front surface of the speaker body and sound output through the rear surface of the speaker body from each other. The speaker device and the electronic device including the same may be implemented variously according to an embodiment.

Speaker device and electronic device including the same

A semiconductor device and a method of fabricating the same are provided. The semiconductor device includes a multi-channel active pattern including germanium and an inner region and an outer region, the outer region formed along a profile of the inner region, and a germanium fraction of the outer region being smaller than a germanium fraction of the inner region. A gate electrode intersects the multi-channel active pattern.

Semiconductor device and method of fabricating the same

An organometallic compound and an organic light-emitting diode (OLED) including the organometallic compound are provided. In exemplary embodiments, the organometallic compound is a platinum complex comprising one or two heterocyclic ligands, the heterocyclic ligands being the same or different if they are two in number, each heterocyclic ligand comprising two nitrogen heterocyclic rings connected by a single bond, one of the rings being six membered and comprising at least one nitrogen and the other ring being a 1,2-diazole or a 1,2,4-triazole ring. One or two other organic ligands may be attached to the central platinum atom in the complex. OLEDs including one of the subject platinum compounds in a light emission layer exhibit lower driving voltages, higher luminances, higher efficiencies and longer lifetimes than do comparative OLEDs built with established dopants incorporated into the light emitting layers.

Organometallic compound and organic light-emitting diode comprising the same

Growing community of inventors

Yongin, South Korea

Sun-Young Lee