Lg Chem, Ltd

Electronics and Telecommunications Research Institute

Lg Display Co., Ltd.

Min-Soo Kang

Ji-Eun Kim

Jeoung-Kwen Noh

Se-Hwan Son

Jung-Hyoung Lee

Jung-Bum Kim

Bong-Su Kim

Woo-Jin Byun

Kwang-Seon Kim

Tae-Jin Chung

Myung-Sun Song

Hyeon Sik Choi

Jong-Seok Kim

Jae-Soon Bae

Kong-Kyeom Kim

Jae-Chol Lee

Sang-Young Jeon

Byung-Sun Jeon

Wook-Dong Cho

Yun-Hye Hahm

Sung-Jin You

Young-Jun Chong

Jeoung-Kwen c/o Lg Chem Ltd Research Park Noh

Jung-Hyoung c/oLG Chem Ltd Research Park Lee

Yeon-Hwan 1603-905 Munchon Maeul Kim

Jun-Gi 403-1202 Hyundai 1-Cha Apt Jang

Jong-Geol Kim

The present invention provides an organic light emitting diode comprising a substrate; a transparent cathode; an anode; and an organic material layer interposed between the transparent cathode and the anode, wherein the organic material layer comprises a light emitting layer and an n-type doped electron transport layer, the n-type doped electron transport layer includes an electron transport material and an n-type dopant and is disposed between the transparent cathode and the light emitting layer, and a method for manufacturing the same.

Organic light-emitting diode and method of manufacturing the same

The present invention provides an organic light emitting device comprising: a substrate; a first conductive layer and a second conductive layer, which are sequentially positioned on the substrate; and at least one organic material layer, including a light emitting layer, which is interposed between the first conductive layer and the second conductive layer; wherein the organic light emitting device comprises a pattern layer formed corresponding to the light emitting region between at least one organic material layer and at least one conductive layer of the first conductive layer and the second conductive layer; charges are injected or transported between the conductive layer and the organic material layer through the pattern layer; and charges are not directly injected or transported in the region in which two layers each in contact with the upper surface and the lower surface of the pattern layer are directly in contact, and a method for preparation thereof.

OLED and fabricating method of the same

Disclosed is a method of producing an organic light emitting device, an organic light emitting device produced by using the method, and an apparatus used in the method. The method includes preparing a first electrode, forming one or more organic material layers on the first electrode, and forming a second electrode on the organic material layers, wherein the method includes changing functions of predetermined pattern regions of one or more layers of the organic material layers or the electrodes.

Organic light-emitting device having light-emitting pattern, method and apparatus for preparing the same

Disclosed uses a digital to analog converter and an analog to digital converter that process a low bit for processing of a data signal at high speed according to analog to digital conversion and digital to analog conversion in a communication system and an analog to digital converter that processes high bit for processing of a signal for synchronization acquisition at low speed.

Apparatus for transmitting and receiving signal in communication system

Disclosed is an organic light emitting device comprising a first electrode, two or more organic compound layers, and a second electrode, wherein the first electrode comprises a conductive layer and an n-type organic compound layer which is in contact with the conductive layer, one of the organic compound layers interposed between the n-type organic compound layer of the first electrode and the second electrode is a p-type organic compound layer forming an NP junction together with the n-type organic compound layer of the first electrode, energy levels of the layers satisfy the following Expressions (1) and (2), and one or more layers interposed between the p-type organic compound layer and the second electrode are n-doped with alkali earth metal:0 eV&#x3c;&#x2266;4 eV&#x2003;&#x2003;(1)&#x2266;1 eV&#x2003;&#x2003;(2)

Organic luminescent device including a first electrode, two or more organic layers and a second electrode and a production method for the same

The present invention provides a stacked organic light emitting device, comprising a first conductive layer, at least one intermediate conductive layer and a second conductive layer, and light emitting units disposed between the conductive layers, wherein at least two non-neighboring conductive layers among the conductive layers are conductive layers belonging to Group 1 such that they are electrically connected with each other to a common potential; at least one non-neighboring conductive layer among the conductive layers which are not electrically connected with the conductive layers belonging to Group 1 to a common potential are conductive layers belonging to Group 2 such that they are electrically connected with each other to a common potential; and the conductive layers belonging to Group 1 and the conductive layers belonging to Group 2 are connected with each other via a voltage regulator for alternately applying a positive voltage and a negative voltage.

OLED having stacked organic light-emitting units

The present invention provides a stacked organic light emitting diode that comprises a first electrode; a second electrode; and at least two light emitting units that are located between the first electrode and the second electrode. The light emitting unit satisfies the following energy relation equation, and includes an n-type organic layer and a p-type organic layer that form NP conjunction, and also includes an n-type doped organic layer that is located between the light emitting units:&#x2266;1 eV

Stacked organic light emitting diode

The present invention provides an organic light emitting diode comprising a substrate, a first electrode provided on the substrate, one or more organic material layers provided on the first electrode, a second electrode provided on the organic material layer, and a light extraction layer provided on the top portion of the second electrode, and a method for manufacturing the same. The organic light emitting diode according to the present invention minimizes total internal reflection of the light emitted from a device to improve the light emitting efficiency.

Organic LED and manufacturing method thereof

Provided is a transceiver using a millimeter-wave (MM-wave). The transceiver determines output power of a transmitting signal according to a receiving signal of a receiving end in the same device so that a possible loss value occurring in the air may be predicted. By doing so, performance of a whole link budget may be enhanced, and the transmitting signal may be rapidly controlled.

Transceiver using millimeter-wave

The present invention provides an organic light emitting device in which a layer having a refractive index in the range of 1.3 to 3 is further formed on an upper electrode of at least one region of regions through which rays having red, green, and blue colors are passed and a method of manufacturing the organic light emitting device. An optical length that can cause the microcavity effect according to the type of color of emitted light is controlled by using the layer to manufacture the organic light emitting device having high light emitting efficiency.

Organic light-emitting device having improved light-emitting efficiency and method for fabricating the same

Provided are a multi-output oscillator using a single oscillator, and a method of generating multiple outputs. The multi-output oscillator includes: an oscillator outputting the single frequency; a multiplier multiplying the single frequency to output a first frequency; a first frequency divider dividing the single frequency by a first division factor; a first mixer outputting a second frequency by mixing an output of the first frequency divider and an output of the multiplier; a second frequency divider dividing the single frequency by a second division factor; a second mixer mixing the output of the second frequency divider and the output of the first mixer to output a third frequency; and a third mixer mixing the output of the second frequency divider and the output of the multiplier to output a fourth frequency.

Multi-output oscillator using single oscillator

A non-coherent synchronous direct-conversion receiving apparatus is provided. The apparatus includes a RF receiving unit, an I/Q ADC unit, and a digital signal processing unit for analyzing the digital signal received from the I/Q ADC unit to adjust a bandwidth of a variable receiving filtering unit according to the analyzing result, compensating a frequency offset to be correspondent with a symbol transmitting rate by extracting frequency offset information from the digital signal, compensating a frequency offset using the analyzing result, and applying a voltage corresponding to a sum of compensating values to the RF receiving unit. Therefore, the apparatus can compensate a frequency offset regardless of the magnitude of a frequency offset and performs a stable AFC operation through varying the bandwidth of a receiving filter by estimating the frequency offset with only data information, and adjusting a reference frequency twice through an interface signal.

Growing community of inventors

Daejeon, South Korea

Min-Soo Kang