Samsung Display Co., Ltd.

Ivan Maidanchuk

Ki-Yong Lee

Dong-Hyun Lee

Kil-Won Lee

Jong-Won Hong

Heung-Yeol Na

Min-Jae Jeong

Byung-Soo So

Seok-Rak Chang

Jae-Wan Jung

Jin-Wook Seo

Byoung-Keon Park

Yun-Mo Chung

Tae-Hoon Yang

Jin Yong Sim

Jong-Ryuk Park

Bo-Kyung Choi

Chang Min Park

Eu-Gene Kang

Won-Bong Baek

Kyu Shik Shin

Joon-Hoo Choi

Won Sang Park

Seong Jun Lee

Mi Na Jang

Seung-Kyu Park

Dohyun Kwon

Yong-Duck Son

Minjung Lee

Choong Youl Im

Hyun-Woo Koo

A smart pen includes a body, a pen tip portion at an end of the body, and including a pen tip extending in a first direction, a pen tip support configured to support the pen tip, and a reflector on one surface of the pen tip support, and having a curvature, and a light emitter supported by the body, configured to emit light, and inclined at an angle with respect to the first direction.

Smart pen and display device using the same

An optical pen includes a body, a protrusion connected to the body and protruding in a first direction, a first light source configured to output light in the first direction, a second light source configured to output light in the first direction, a third light source configured to output light in a second direction crossing the first direction, a light sensor configured to receive external light; and a power controller configured to separately control power of the first light source and power of the third light source.

Optical pen

The present disclosure relates to a smart pen and a display device using the same, in which a reflective light reception rate may be enhanced through a light output structure to increase a code pattern and code information recognition rate of a display panel. According to an embodiment of the disclosure, smart pen comprising a body portion, a pen tip portion formed on one end of the body portion to form a path of light emitted from a light emitting portion in an end direction at one side, a code detector detecting shape data for code patterns by applying light to the pen tip portion and receiving light reflected from a display panel and the pen tip portion, and a code processor generating coordinate data by using the shape data and transmitting the coordinate data to a main processor for driving the display panel.

A display device has excellent luminous efficiency, the display device including: a display portion including pixels defined by a pixel defining layer; and a touch portion on the display portion. The touch portion includes: a first touch electrode overlapping the pixel defining layer; a first organic layer on the first touch electrode; a second touch electrode contacting the first touch electrode; a second organic layer on the second touch electrode; and a high refractive index layer on the first organic layer, the second touch electrode, and the second organic layer. The high refractive index layer is disposed between adjacent second touch electrodes in a plan view and includes a first convex surface protruding toward the display portion and overlapping one of the pixels.

Display device

A flexible window includes: a first film layer through which light is incident to the flexible window from a display panel of a flexible display device, the first film layer including: a plurality of stacked first sub-film layers, an adhesive layer disposed between adjacent first sub-film layers, and an index matching layer disposed between a first sub-film layer and the adhesive layer adjacent thereto; and a second film layer on the first film layer to be disposed further from the display panel than the first film layer, the second film layer having a Young's modulus lower than that of each of the first sub-film layers. Within the flexible window, a refractive index of the index matching layer has a value between a refractive index of each of the first sub-film layers and a refractive index of the adhesive layer.

Flexible window and flexible display device including the same

Provided is a sputtering apparatus which deposits a metal catalyst on an amorphous silicon layer at an extremely low concentration in order to crystallize amorphous silicon, and particularly minimizes non-uniformity of the metal catalyst caused by a pre-sputtering process without reducing process efficiency. This sputtering apparatus improves the uniformity of the metal catalyst deposited on the amorphous silicon layer at an extremely low concentration. The sputtering apparatus includes a process chamber having first and second regions, a metal target located inside the process chamber, a target transfer unit moving the metal target and having a first shield for controlling a traveling direction of a metal catalyst discharged from the metal target, and a substrate holder disposed in the second region to be capable of facing the metal target. A distance difference between a linear distance, which is a distance between a substrate loaded on the substrate holder and the metal target, and a length of the first shield is less than 3 cm.

Sputtering apparatus

A substrate processing apparatus that forms thin films on a plurality of substrates and thermally processes the substrates, by uniformly heating the substrates. The substrate processing apparatus includes a processing chamber, a boat in which substrates are stacked, an external heater located outside of the processing chamber, a feeder to move the boat into and out of the processing chamber, a lower heater located below the feeder, and a central heater located in the center of the boat.

Substrate processing apparatus

A thin film transistor includes a substrate, a buffer layer on the substrate, a semiconductor layer including source/drain regions and a channel region on the buffer layer, a gate insulating layer corresponding to the channel region, a gate electrode corresponding to the channel region, and source/drain electrodes electrically connected to the semiconductor layer. A polysilicon layer of the channel region may include only a low angle grain boundary, and a high angle grain boundary may be disposed in a region of the semiconductor layer that is apart from the channel region.

Thin film transistor, organic light emitting diode display device having the same, and method of fabricating the same

An apparatus for thermally processing a plurality of substrates including a process chamber into which a boat having a plurality of substrates stacked thereon is loaded, and a heater chamber separate from the process chamber and having a plurality of heaters to apply heat to the process chamber. Here, the heaters are installed to correspond to all sides of the plurality of substrates. Therefore, it is possible to minimize a temperature distribution in the process chamber and uniformly supply heat to the entire region of the plurality of substrates.

Apparatus for thermally processing substrate

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Yongin, South Korea

Ivan Maidanchuk