Korea Institute of Industrial Technology

Hyundai Motor Company

Kia Motors Corporation

Lg Display Co., Ltd.

Doosan Infracore Co., Ltd.

Daesung Electric Co., Ltd.

Leehan Corporation

Incheon National University Research & Business Foundation

Tdl Co., Ltd.

Ho Sung Kim

Chae Hwan Jeong

Sung Hyun Cho

Duck Rye Chang

Min Young Kim

Tae Won Kim

Seung Hoon Yang

Young Min Yoon

Jong Hwan Lee

Seong Jae Boo

Sun Woo Yang

Kyeong Wan Kim

Chang Heon Kim

Min-Young Kim

Ho Young Lee

Sang Chul Ryu

Se Hee Lee

Seong Hwan Cheong

Seok Jong Lee

Jong Ho Lee

Da Hye Kim

Jinsub Lim

Byeong Su Kang

Ha Young Jung

Sun Hwa Lee

Ju Hee Kang

So Young Lee

Jin Woo Lee

Jang Won Lee

Jin Sung Kim

Sun Sung Kwon

Jin Kyu Kim

Seung Sam Baek

Sung Yeol Kim

Seok Young Shin

Kwang Hyun Kim

Ik Hyun Oh

Kyoung Won Kim

Sang Mo Ha

Seung Min Lee

Hyung Hee Lee

Yong Ho Tho

Sun Kap Kwon

Min Yong Park

Byeong Kook Han

Sang Hun Heo

Seung Woo Choi

Bong Jin Lee

Hye Min Ryu

Hee Sook Noh

Young Sup Lee

Sang Chul Baek

Kyeong Joon Kim

Byoung Ook Son

Sung Hee Park

Hyo Sin Kim

Song Yi Jeong

Jin Hun Jo

Da-Hye Kim

Yeong Mok Kim

A display apparatus according to an embodiment of the present invention may include a substrate; a plurality of sub-pixels disposed on the substrate; a plurality of anodes disposed in the plurality of sub-pixels; a bank disposed to cover ends of the plurality of anodes; an organic layer disposed on the plurality of anodes and the bank; a cathode disposed on the organic layer; a first pattern disposed in the bank or on the bank so that the organic layer has a step; and a second pattern disposed between the organic layer and the cathode so that a step of the cathode is smaller than the step of the organic layer.

Display apparatus

A method of preparing a sintered solid electrolyte includes (a) coprecipitating a mixed solution including a lanthanum precursor, a zirconium precursor, a gallium precursor, a complexing agent, and a pH adjuster to provide a solid electrolyte precursor; (b) washing and drying the solid electrolyte precursor to provide a washed and dried solid electrolyte precursor; (c) mixing the washed and dried solid electrolyte precursor with a lithium source to provide a mixture; (d) calcining the mixture to provide a calcined solid electrolyte, which is a gallium (Ga)-doped lithium lanthanum zirconium oxide (LLZO), as represented by Chemical Formula 1 below,LiLaZrGaO,&#x2003;&#x2003;Chemical Formula 1

Method for preparing a sintered solid electrolyte having high ionic conductivity for an all-solid-state battery

The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO).6HO] and zirconium nitrate [ZrO(NO).6HO] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.

Solid electrolyte for all solid-state lithium-ion battery and manufacturing method therefor

The present invention relates to an all-solid-state lithium secondary battery and a method of manufacturing the same. The all-solid-state lithium secondary battery includes a cathode, an anode, and a composite solid electrolyte layer between the cathode and the anode, wherein first and second LLZOs contained respectively in the cathode and the composite solid electrolyte layer are each independently aluminum-doped or undoped LLZO, and the battery of the invention can exhibit improved discharge capacity and cycle characteristics because both the cathode and the composite solid electrolyte layer contain a conductive polymer, a lithium salt and an inorganic ceramic solid electrolyte. The method of the invention enables the all-solid-state lithium secondary battery to be manufactured in a non-sintering manner, thus reducing manufacturing costs and controlling interfacial reactions between active materials, between solid electrolyte particles, and between an electrolyte and an electrode, thereby further reducing the internal resistance of the battery.

All-solid-state lithium secondary battery containing LLZO solid electrolyte and method for preparing same

A clutch control apparatus includes: a judder extractor for extracting a judder component based on a speed of a transmission input shaft; an anti-judder signal generator for generating a basic control signal, which is a reverse phase signal to the judder component, based on the judder component extracted by the judder extractor; a signal separator for separating an amplitude and a phase of the basic control signal received from the anti-judder signal generator; and a signal post-processing device for respectively adjusting the amplitude and the phase output from the signal separator and then combining the same together to output anti-judder torque.

Clutch control apparatus for vehicle

A method of preparing a gallium-doped LLZO solid electrolyte includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution comprising a metal aqueous solution including lanthanum (La), zirconium (Zr) and gallium (Ga), a complexing agent and a pH controller to coprecipitation; (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry; (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source; (d) preparing a gallium-doped LLZO solid electrolyte represented by Chemical Formula 1 below by calcining the mixture at 600 to 1,000&#xb0; C.; and (e) thereafter sintering the solid electrolyte represented by Chemical Formula 1 at 1,000 to 1,300&#xb0; C. By adjusting amounts of starting materials and controlling flow rates of supplied materials, a high-precision cubic structure with improved sintering properties is obtained and ionic conductivity of the solid electrolyte is increased.LiGaLaZrO, (5&#x2264;&#x2264;9, 0&#x3c;&#x2264;4, 2&#x2264;&#x2264;4, 1&#x2264;&#x2264;3).&#x2003;&#x2003;Chemical Formula 1

Method of preparing a gallium-doped LLZO solid electrolyte for an all-solid-state lithium secondary battery

Disclosed is a method of preparing a solid electrolyte, which includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution including a metal precursor solution, containing a lanthanum precursor, a zirconium precursor and an aluminum precursor, a complexing agent, and a pH controller to coprecipitation, (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry, (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source, and (d) preparing an aluminum-doped lithium lanthanum zirconium oxide (LLZO) solid electrolyte by calcining the mixture, and which is also capable of adjusting the aluminum content of a starting material to thus control sintering properties and of adjusting the composition of a precursor and a lithium source to thus control the crystal structure, thereby improving the ionic conductivity of the solid electrolyte.

Method for preparing solid electrolyte for all-solid-state lithium secondary battery

Disclosed is a method of manufacturing a bipolar plate for a redox flow battery. The method includes (a) mixing epoxy, a curing agent, and a conductive filler to manufacture a mixture, and (b) manufacturing the bipolar plate including a conductive filler composite manufactured by compression-molding the mixture.

Preparation method for bipolar plate for redox flow battery

Disclosed are a silicon wafer having a complex structure, a method of fabricating the same, and a solar cell using the same, wherein the silicon wafer is configured such that an oriented silicon wafer has a pyramid pattern formed through wet etching and additionally has nanowires formed in the direction in which silicon crystals are oriented on the pyramid pattern, and is further doped with POCl.

Silicon wafer having complex structure, fabrication method therefor and solar cell using same

Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, a light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.

Organic light emitting display including optical assistant transporting layer and method of manufacturing the same

The present disclosure provides a control method for a vehicle with a DCT, the method including: a diagnosing step of disengaging a corresponding clutch and limiting engine torque to suppress an increase in engine RPM when a controller detects an error from a hall sensor signal, and then applying a test pulse for diagnosing the hall sensor; a reset attempting step of attempting to reset the clutch to an initial position when the controller determines that the hall sensor signal is normal after the diagnosing step; and a returning step of starting normal control of the clutch from the initial position to a target clutch stroke by means of the controller and of removing the limiting of the engine torque, when the clutch is reset to the initial position in the reset attempting step.

Control method for vehicle with DCT

One embodiment of the present invention relates to a method of manufacturing polycrystalline silicon thin-film solar cell by a method of crystallizing a large-area amorphous silicon thin film using a linear electron beam, and the technical problem to be solved is to crystallize an amorphous silicon thin film, which is formed on a low-priced substrate, by means of an electron beam so as for same to easily be of high quality by having high crystallization yield and to be processed at a low temperature. To this end, one embodiment of the present invention provides a method of manufacturing polycrystalline silicon thin-film solar cell by means of a method for crystallizing a large-area amorphous silicon thin film using a linear electron beam, the method comprising: a substrate preparation step for preparing a substrate; a type 1+ amorphous silicon layer deposition step for forming a type 1+ amorphous silicon layer on the substrate; a type 1 amorphous silicon layer deposition step for forming a type 1 amorphous silicon layer on the type 1+ amorphous silicon layer; an absorption layer formation step for forming an absorption layer by radiating a linear electron beam to the type 1 amorphous silicon layer and thus crystallizing the type 1 amorphous layer and the type 1+ amorphous silicon layer; a type 2 amorphous silicon layer deposition step for forming a type 2 amorphous silicon layer on the absorption layer; and an emitter layer formation step for forming an emitter layer by radiating a linear electron beam to the type 2 amorphous silicon layer and thus crystallizing the type 2 amorphous silicon layer, wherein the linear electron beam is radiated from above type 1 and type 2 amorphous silicon layers in a linear scanning manner in which to reciprocate in a predetermined area.

Method for manufacturing polycrystalline silicon thin-film solar cells by means method for crystallizing large-area amorphous silicon thin film using linear electron beam

Disclosed is a method of preparing a cathode electrode material for a secondary battery, including a hydrate precursor preparation step of preparing a manganese phosphate hydrate precursor using a coprecipitation process, a synthetic powder preparation step of preparing a synthetic powder by mixing the manganese phosphate hydrate precursor in a powder form with lithium phosphate and carbon, an oxide material powder preparation step of preparing a lithium manganese phosphate oxide material powder by milling and annealing the synthetic powder, a composite powder preparation step of preparing a composite powder by mixing the lithium manganese phosphate oxide material powder with a LiMnO-based cathode material, and a slurry preparation step of preparing a slurry by mixing the composite powder with a conductor and a binder.

Preparation method for positive electrode material for secondary battery

This disclosure synthesizes an anodic composite material Li(LiNiCoMnO) of LiMnOseries whose theoretical capacity is a level of about 460 mAh/g, and to produce an electrode of a high capacity using the synthesized anodic composite material. Also provided is a method for charging and discharging the electrode. Here, the method for producing an anodic composite material for a lithium secondary battery includes the steps of: mixing a nickel nitrate solution, a manganese nitrate solution, and a cobalt nitrate solution to produce a starting material solution; and mixing the starting material solution with a complexing agent so as to produce an anodic composite material Li(LiNiCoMnO) of LiMnOseries by means of coprecipitation.

Method for producing anodic composite material for lithium secondary battery, method for producing electrode using same, and method for charging and discharging electrode

A method for protecting a clutch for a Dual Clutch Transmission may include an input step of receiving an input of a temperature of a clutch, and a gear shift pattern changing step of changing a preset gear shift pattern and operating to perform gear shift in a vehicle speed region that secedes from a vehicle speed of the preset gear shift pattern when the temperature of the clutch is equal to or higher than a first reference temperature.

Method for protecting clutch for dual clutch transmission

Growing community of inventors

Gwangju, South Korea

Ho Sung Kim