Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Yuhan Corporation

Ji-Hye Choi

Un-Cheol Sung

Beohm-Rock Choi

Young-Rok Song

Sung-soo Lee

Jung-soo Rhee

Sang-Woo Lee

Kyong-Tae Park

Sung-Hun Lee

Ji-Eun Jang

Hoi-Sik Moon

Jung-Suk Han

Kang-Hyun Kim

Jung-Bae Song

Jae-Seob Chung

Soo-yeon Lee

Woo-Young Lee

Jong-Hee Na

Jung-Yeon Kim

Sang-Ho Oh

Jae-Seok Choi

Doo-Byung Lee

Kyoung-Chan Kwon

Jung-Soo Rhee

Woo-Jin Jung

Jun-Il Park

Jae-hoon Jung

Shim-Ho Yi

Go-Eun Cha

Ik-Su Jo

Hyo-Ick Hwang

Kyeong-Sill Lee

Sung-Hee Cho

Sang-Won Kim

Su-Young Lee

Provided are a process for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof, which is an intermediate useful for the preparation of tofacitinib, an intermediate used in the process, i.e., isopropanol solvate of methyl ((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)carbamate dibenzoyl-L-tartrate, an intermediate, having excellent stability, useful for the preparation of tofacitinib, i.e., (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine acetate, and a process for preparing tofacitinib or a pharmaceutically acceptable salt thereof.

Processes for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof and processes for preparing tofacitinib using the same

A display apparatus includes a gamma controller configured to determine whether the target pixel unit is driven in both time division method and space division method based on a plurality of comparison values and a reference condition, and an output controller configured to generate normal gamma-data of the target pixel unit using a normal gamma curve if the plurality of comparison values satisfy the reference condition and to generate high gamma-data and low gamma-data of the target pixel unit using a high gamma curve and a low gamma curve in both time division method and space division method if the plurality of comparison values do not satisfy the reference condition.

Display apparatus and method of driving the same

An organic light emitting device and a manufacturing method thereof is provided. The organic light emitting device includes a first pixel that displays a first color, a second pixel that displays a second color, and a third pixel that displays a third color. The first pixel, the second pixel and the third pixel together form one pixel. Each of the first pixel, second pixel, and third pixel includes a pixel electrode having a transflective electrode, an organic emission layer on the pixel electrode that displays the first color, a common electrode on the third color organic emission layer, and a transparent supplementary member between the pixel electrode and the common electrode.

Organic light emitting diode display and method for manufacturing the same

An organic light emitting device according to an exemplary embodiment of the present invention includes a plurality of first, second, and third pixels for displaying different colors, wherein the plurality of first and second pixels are alternately arranged in a first column, the plurality of third pixels are continuously arranged in a second column, and an interval between the third pixels is larger than an interval between the first pixel and the second pixel.

An organic light-emitting display device includes a thin film transistor on a substrate, a protective layer and a planarization layer covering the thin film transistor, a pixel electrode connected to the thin film transistor, and a wall positioned on at least a portion of the pixel electrode. The planarization layer includes an aperture which exposes a portion of the pixel electrode. An organic layer is formed on the pixel electrode, and a common electrode is formed on the organic layer. An auxiliary electrode layer is formed to overlap the wall on the common electrode.

Organic light-emitting display device and method of manufacturing the same

An organic light emitting device includes a first pixel displaying a first color, a second pixel adjacent to the first pixel and displaying a second color, and a third pixel adjacent to the first pixel or the second pixel and displaying a third color, wherein the first pixel includes a first and second subpixel units that output respective lights having different color characteristics.

Organic light emitting display device having one or more color presenting pixels each with spaced apart color characteristics

The present invention provides an electrical processing apparatus and method for electrically processing a display panel having an organic light-emitting layer. The method for electrically processing a display panel having an organic light-emitting layer includes dividing a light-emitting region of the display panel into a plurality of regions; and applying a voltage to at least one region of the plurality of regions where an amplitude of the voltage exceeds an amplitude of a driving voltage of the display panel. The electrical processing apparatus includes a display panel comprising an organic light-emitting layer, a light emitting region, and a plurality of regions, the plurality of regions being defined by dividing the light emitting region; a jig for holding the display panel; and a current supplying portion, wherein the current supplying portion supplies a current individually to each of the plurality of regions.

Electrical processing apparatus and method for electrically processing display panel having organic light-emitting layer

A display device includes a thin film transistor formed on a first insulating substrate, a first electrode electrically connected with the thin film transistor, an emission layer formed on the first electrode, a second electrode formed on the emission layer, an auxiliary electrode shaped like a mesh to at least partially expose the first electrode, the auxiliary electrode being electrically connected with the second electrode and receiving a common voltage therefrom, and a second insulating substrate placed on the auxiliary electrode. The exemplary embodiments of a display device, and a method of manufacturing the same, according to the present invention can apply a common voltage efficiently throughout the display and have an improved contrast ratio.

Display device having an auxiliary electrode for improved common voltage and fabricating method thereof

Growing community of inventors

Suwon-si, South Korea

Ji-Hye Choi