Electronics and Telecommunications Research Institute

Sk Innovation Co., Ltd.

Sk Ie Technology Co., Ltd.

Sk on Co., Ltd.

Lg Chem, Ltd

Korea Atomic Energy Research Institute

Koza Novel Materials Korea Co., Ltd.

Joo Hyun Lee

Jin Kyu Kim

Mi Young Lee

Ju-Yeob Kim

Seong Min Kim

Byung Jo Kim

Hyo Shin Kwak

Min-Hyung Cho

Young-deuk Jeon

In Haeng Cho

Sung Jin Kim

Sung Eun Kim

Hyun Kyu Yu

Kwang Il Oh

Seong Mo Park

Ki Hyuk Park

Dai In Park

Sung Weon Kang

Hyung-Il Park

Young-Su Kwon

Myoung Lae Kim

Dong Gun Lee

Min Seon Jung

Hyun Jun Lee

Dong Hyun Oh

Jae-Jin Lee

Jang Soon Kim

Yeon Keun Lee

Bon Tae Koo

Sang Yoon Park

Jin Ho Han

Yu Na Shim

Kwang Su Seo

So Young Lee

Jong Chan Kim

Hyun Kyu Cho

Jin Hyung Park

Sung Yon Oh

Jung Doo Kim

Jun Man Choi

Jin Haek Yang

Seung Min Jeon

Chan Oh Yoon

Nam-Ho Lee

Su Hee Han

Myung Kook Moon

Jong Yul Kim

Ki Seo Lim

Byoungil Jeon

Hu Young Yoon

Su Eun Lee

Provided a diamine compound, a polyimide precursor and a polyimide film using the same, and a use thereof. The diamine compound may be very useful as a monomer for manufacturing a polyimide film having excellent transparency, high heat resistance, and low retardation.

Diamine compound, polyimide precursor and polyimide film using the same, and use thereof

The present invention relates to a diamine, and a polymer and film produced using the same. Specifically, the diamine may be significantly effectively used as a monomer for producing a polyimide-based film that is colorless and transparent and has improved mechanical strength.

Diamine, polymer and film produced using the same

An electrolyte for a lithium secondary battery according to exemplary embodiments of the present inventing includes an organic solvent, a lithium salt, a first additive represented by a predetermined chemical formula, and a second additive represented by a predetermined chemical formula. A protective film is formed by the additives to suppress an expansion of a lithium secondary battery and improve storage property at high temperature.

Electrolyte for lithium secondary battery and lithium secondary battery including the same

The present invention relates to a polyimide precursor, a polyimide precursor solution, a polyimide film, a manufacturing method thereof, and a use thereof. The polyimide precursor according to the present invention may provide a polyimide film that has excellent heat resistance and satisfies transparency and a low coefficient of linear thermal expansion, and thus the polyimide film will be usefully applicable in the field of flexible displays requiring high dimensional stability.

Polyimide precursor, polyimide precursor composition, polyimide film, manufacturing method thereof, and use thereof

The present invention relates to a diamine compound, a method of preparing the same, and a composition containing the same. The diamine compound of the present invention may be very usefully used as a monomer used to produce a polyimide film having excellent heat resistance and improved transparency and coefficient of thermal expansion.

Diamine compound, method of preparing the same, and composition containing the same

An electrolyte for a lithium secondary battery according to embodiments of the present invention includes an organic solvent, a lithium salt, and an additive including a cyclic ether-sulfate-based compound. Thereby, cycle characteristics and high-temperature stability of the lithium secondary battery may be improved.

An electronic device includes first to n-th cells ('n' is an integer of 2 or more) that receive spatial-temporal input signals that indicate an event unit in a time window, a summation circuit that sums first to n-th cell signals recorded in the first to n-th cells for each of first to m-th unit times ('m' is an integer of 2 or more) dividing the time window to generate first to m-th summation signals, and an encoding circuit that compares each of the first to m-th summation signals with a threshold value to encode the spatial-temporal input signals into a code of the event unit.

Electronic device for encoding event indicated by spatial-temporal input signals and operating method thereof

Provided is a method of operating a neural network computing device that is configured to communicate with an external memory device and execute a plurality of layers. The method includes computing a first input address, based on first layer information of a first layer among the plurality of layers and a first memory management table, and updating the first memory management table to generate a second memory management table, reading first input data to be input to the first layer from the external memory device, based on the computed first input address, computing a first output address, based on the first layer information and the second memory management table, and updating the second memory management table to generate a third memory management table, and storing first output data output from the first layer, based on the first output address, in the external memory device.

Information processing apparatus and method of operating neural network computing device therein

The neuromorphic arithmetic device comprises an input monitoring circuit that outputs a monitoring result by monitoring that first bits of at least one first digit of a plurality of feature data and a plurality of weight data are all zeros, a partial sum data generator that skips an arithmetic operation that generates a first partial sum data corresponding to the first bits of a plurality of partial sum data in response to the monitoring result while performing the arithmetic operation of generating the plurality of partial sum data, based on the plurality of feature data and the plurality of weight data, and a shift adder that generates the first partial sum data with a zero value and result data, based on second partial sum data except for the first partial sum data among the plurality of partial sum data and the first partial sum data generated with the zero value.

Neuromorphic arithmetic device and operating method thereof

An artificial neural network apparatus and an operating method including a plurality of layer processors for performing operations on input data are disclosed. The artificial neural network apparatus may include: a flag layer processor for outputting a flag according to a comparison result between a pooling output value of a current frame and a pooling output value of a previous frame; and a controller for stopping operation of a layer processor which performs operations after the flag layer processor among the plurality of layer processors when the flag is outputted from the flag layer processor, wherein the flag layer processor is a layer processor that performs a pooling operation first among the plurality of layer processors.

Artificial neural network apparatus and operating method for the same

An embodiment of the present invention provides a quantization method for weights of a plurality of batch normalization layers, including: receiving a plurality of previously learned first weights of the plurality of batch normalization layers; obtaining first distribution information of the plurality of first weights; performing a first quantization on the plurality of first weights using the first distribution information to obtain a plurality of second weights; obtaining second distribution information of the plurality of second weights; and performing a second quantization on the plurality of second weights using the second distribution information to obtain a plurality of final weights, and thereby reducing an error that may occur when quantizing the weight of the batch normalization layer.

Quantization method and device for weights of batch normalization layer

Provided is an image recognition device. The image recognition device includes a frame data change detector that sequentially receives a plurality of frame data and detects a difference between two consecutive frame data, an ensemble section controller that sets an ensemble section in the plurality of frame data, based on the detected difference, an image recognizer that sequentially identifies classes respectively corresponding to a plurality of section frame data by applying different neural network classifiers to the plurality of section frame data in the ensemble section, and a recognition result classifier that sequentially identifies ensemble classes respectively corresponding to the plurality of section frame data by combining the classes in the ensemble section.

Image recognition device, operating method of image recognition device, and computing device including image recognition device

Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a bisfluorophosphite multicyclic compound, and a lithium secondary battery including the electrolyte.

Electrolyte for secondary battery and lithium secondary battery including the same

Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a difluorophosphite olefin compound, and a lithium secondary battery including the same.

Growing community of inventors

Daejeon, South Korea

Joo Hyun Lee