Korea Advanced Institute of Science and Technology

Lg Chem, Ltd

Novera Optics, Inc.

Samsung Electronics Co., Ltd.

Lg Display Co., Ltd.

Snu Rdb Foundation

Lg-nortel Co., Ltd.

Samsung Sdi Co., Inc.

Chang-Hee Lee

Young-Sik Kim

Sang-Oeb Na

Won-Jae Moon

Heui-Joon Park

Hyung-Young Oh

Kil-Ho Kim

Yang-Han Kim

Ki-Man Choi

Sil-Gu Mun

Jung-Hyung Moon

Wayne V Sorin

Kwang-Uk Chu

Hyun-Jin Shim

Byung-Kook Choi

Sang-Mook Lee

Jun-Bo Choi

Gyoo-Chul Jo

Jin-Wuk Kim

Hyun Deok Kim

Seong-Hoon Lee

Ho-Cheol Kang

Du-Sun Hwang

Kook-Heon Char

Sang-Rok Mun

Jeong-Hun Kwak

Kun-Youl Park

Yun-Je Oh

Seong-Taek Hwang

Ho-Jin Kim

Dae-Won Kim

Yi-Yeol Lyu

Byoung Yoon Kim

Ji-young Kim

Seok Hyun Yun

Young-Goo Ko

Young-Mi Kim

Sang-Min Oh

Kook Heon Char

Wan Ki Bae

Jae-Ik Song

Min-Hwan Kim

Dae-Yeon Lee

Hwan-Jin Yong

Steven L Shepherd

Young-Hoon Noh

Young-Kuk Kim

Kyu-Chul Chung

Han-Bin Yoon

Hyun-Chul Chung

Hyo Sang Kim

Jung-been Im

Yunhee Cho

Moon-Jae Lee

Hoon-Keun Lee

Tae-Won Oh

Bong-Soo Kim

Kwang Uk Chu

Jeong-Hun Shin

Byung-Jun Jung

Jin-Serk Baik

Joon-Young Kim

Jae Hoon Lim

Hak Kyu Lee

Seong-Kee Sihn

Tae Won Oh

Sang-Hwa Yoo

Bong Soo Kim

Byungil Seo

Myeonggyun Kye

Jian Chang

Wan-Ki Bae

Dong-Gu Lee

Jae-Hoon Lim

Je-Hee Park

Wook Jeong

Dong Gu Lee

Dong-Sung Lim

Jin-serk Baik

Hyun-Sik Min

Jeong Hun Kwak

Keun-Youl Park

Provided is glass with high temperature stability, a low coefficient of thermal expansion and a high mechanical strength, a light guide plate including the glass to replace the conventional PMMA and metal frame, and fabricating methods thereof. The glass according to the present disclosure is borosilicate glass containing 75&#x2dc;85 wt % of SiO, 5&#x2dc;15 wt % of BO, 0&#x2dc;5 wt % of AlO, RO 1&#x2dc;7 wt % where R is at least one of Li, Na and K, and &#x3c;0.005 wt % of FeOand having the redox ratio 0.5 or more. This glass maintains luminance and has an excellent color difference reduction effect when used in a light guide plate.

Borosilicate glass, light guide plate comprising the same and fabricating methods thereof

A glass light-guide plate having a small color difference and a manufacturing method thereof are provided. The light-guide plate includes glass containing 70 to 85 wt % of SiO, 5 to 20 wt % of BO, 0 to 5 wt % of AlO, 1 to 7 wt % of RO (here, R is at least one of Li, Na, and K), 0 to 0.005 wt % of FeO, and less than 0.002 wt % of a transition metal oxide for adjusting a color difference.

Glass light-guide plate and manufacturing method thereof

A glass light-guiding plate which has high-temperature stability and is advantageous in being manufactured in a slim profile is provided. The glass light-guiding plate includes a glass plate including 75 to 85 wt % SiO, 5 to 20 wt % BO, 1 to 5 wt % AlO, 3 to 8 wt % RO (here, R is at least one of Li, Na, and K), and FeO&#x3c;0.0025 wt %.

Glass light guiding plate

A wavelength tracking Fabry-Perot Laser Diode (F-P LD), and an optical transmitter including the same are disclosed, the wavelength keepable F-P LD including a gain section configured to provide and modulate a gain using an injected first current; and a phase shift/modulation section configured to vary wavelength relative to oscillation mode of light advanced from the gain section by injected second current or voltage and to modulate phases.

Wavelength-maintaining Fabry-Perot Laser Diode and optical transmitter including same

Disclosed is an apparatus for monitoring failure positions on fibers in a WDM-PON system and a WDM-PON system having the apparatus.

Apparatus for monitoring failure positions in wavelength division multiplexing-passive optical networks and wavelength division multiplexing-passive optical network systems having the apparatus

The present invention discloses a device and method for controlling a lasing wavelength of a tunable laser, and a wavelength division multiplexed-passive optical network having the same. In a device and method for controlling a lasing wavelength of a tunable laser, and a wavelength division multiplexed-passive optical network having the same, it is possible to improve performance of the wavelength division multiplexed-passive optical network by automatically controlling a lasing wavelength of a tunable laser to be matched with a transmission wavelength of a wavelength division multiplexer/de-multiplexer using optical power or optical beating components obtained by a reflected optical component which is Raleigh backscattered or reflected, and is generated on an optical fiber.

Device and method for controlling lasing wavelength of tunable laser, and a wavelength division multiplexed-passive optical network having the same

The present invention relates to a quantum dot light emitting element which can form a quantum light emitting layer configured of charge transporting particles and quantum dots and a charge transporting layer in a solution process, to reduce process expense, and a method for manufacturing the same. The quantum dot light emitting element includes a substrate, an anode formed on the substrate, a quantum light emitting layer formed on the anode, the quantum light emitting layer having charge transporting particles and quantum dots mixed therein, and a cathode formed on the quantum light emitting layer.

Quantum dot light emitting element and method for manufacturing the same

An optical power distributor is coupled to a high-intensity broadband light source to distribute in a shared manner an output of the high-intensity broadband light source to a plurality of optical line terminals. A depolarizer is also described having an input coupled to an output of a polarized broadband light source. A first integrated module has optical transmitters and an optical wavelength router for a first band. A second integrated module has optical receivers and an optical wavelength router for a second band.

Shared high-intensity broadband light source for a wavelength-division multiple access passive optical network

The present invention discloses a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method. In a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method according to the present invention, only one WDM-PON system can provide services for a plurality of subscribers who is distributed in a wide range of area through multiple starring, by setting one or more band for transmitting up-stream signals as an up-stream basic band and one or more band for transmitting down-stream signals as a down stream basic band, respectively, and by dividing each of the up-stream basic band and the down stream basic band into a plurality of wavelength sub-bands and assigning the divided sub-bands to different areas using a wavelength division multiplexer/de-multiplexer which splits a band into two or more sub-bands.

Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method

The present invention discloses a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method. In a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method according to the present invention, only one WDM-PON system can provides services for a plurality of subscribers who is distributed in a wide range of area through multiple starring, by setting one or more band for transmitting up-stream signals as an up-stream basic band and one or more band for transmitting down-stream signals as a down-stream basic band, respectively, and by dividing each of the up-stream basic band and the down-stream basic band into a plurality of wavelength sub-bands and assigning the divided sub-bands to different areas using a wavelength division multiplexer/de-multiplexer which splits a band into two or more sub-bands.

The present invention relates to a quantum dot light emitting diode device in which a hole transportation layer is formed after forming a quantum dot light emitting layer by a solution process by applying an inverted type quantum dot light emitting diode device for making free selection of a hole transportation layer material that enables easy injection of a hole to the quantum dot light emitting layer; and display device and method therewith.

Quantum dot light emitting diode device and display device therewith

A glass polishing system includes a lower unit capable of rotating a glass placed at a fixed position, an upper unit contacting with the glass and capable of being passively rotated due to the rotation of the glass, a moving unit for moving the upper unit in a horizontal or vertical direction, and a polishing slurry supply unit for supplying a polishing slurry to the glass through the upper unit.

Glass polishing system

A lower unit for a glass polishing system includes a support installed to a rotatable turntable, and a carrier having a supporting part for supporting a glass to be polished, and a placing part formed in a surface opposite to the supporting part and fixed and placed to the support.

Lower unit for glass polishing system and glass polishing method using the same

A method for fabricating a liquid crystal display (LCD) device wherein a photolithography technique is replaced by soft lithography is disclosed. The method includes: forming a thin film transistor array substrate; forming a color filter substrate; bonding the thin film transistor array substrate and the color filter substrate; and applying a liquid crystal between the thin film transistor array substrate and the color filter substrate, wherein at least one of the forming the thin film transistor array substrate and the forming the color filter substrate includes a pattern forming method using a soft mold. The pattern forming method may be a soft lithography process that includes: contacting a soft mold having a particular pattern with a surface of a buffer layer and applying a constant heat to the soft mold and buffer layer to transfer the particular pattern onto the buffer layer.

Master mold, master mold fabrication method, and method for fabricating liquid crystal display device using the same

The present invention discloses a wavelength-division multiplexing passive optical network (WDM-PON) capable of high-bandwidth transmission for optical signals by using modulation format having high spectral efficiency. The WDM-PON according to the present invention provides a larger capacity and higher bandwidth transmission economically (at lower costs) by using a modulation format where spectral efficiency (a transmission bit number per a unit band width) is high, while using a low noise part of a light source.

Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency

Growing community of inventors

Daejeon, South Korea

Chang-Hee Lee