Patents by Inventor Soon-wook Cha

Soon-wook Cha has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9284486
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: [Formula 1] wherein each of the R1, the R2, the R3, the R4, and the R5 is selected from hydrogen, fluorine, C1-C6 substituted or non-substituted alkyl group, C6-C30 substituted or non-substituted aromatic group, and C6-C30 substituted or non-substituted heterocyclic group, and two of the R1, the R2, the R3, the R4 and the R5 are fluorine and wherein the R6 is selected from the C6-C30 substituted or non-substituted aromatic group, and the C6-C30 substituted or non-substituted heterocyclic group.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 15, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Jae Lee, Soon-Wook Cha, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Nam-Sung Cho
  • Patent number: 9126892
    Abstract: The present invention relates to a blue fluorescence compound which enables to achieve high brightness, a long lifetime and high efficiency; and an organic electroluminescence device thereof.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: September 8, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jong-Kwan Bin, Soon-Wook Cha, Seung-Jae Lee, Jung-Keun Kim, Chun-Gun Park
  • Patent number: 9104062
    Abstract: A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: August 11, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyung-Chan Kim, Gee-Sung Chae, Soon-Wook Cha, Kyung-Hoon Lee, Joong-Pill Park, Moon-Bae Gee, Sung-hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
  • Publication number: 20150155503
    Abstract: A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein the is one of and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 4, 2015
    Inventors: Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, Tae-Han Park, Soon-Wook Cha, Seung-Jae Lee, In-Bum Song, Jung-Keun Kim
  • Patent number: 8999476
    Abstract: A red phosphorescent composition includes a host material being capable of transporting an electron or a hole; and a dopant material represented by the following Formula 1: wherein each of R1 to R4 is selected from the group consisting of hydrogen atom (H), C1 to C6 alkyl and C1 to C6 alkoxy, and at least one of R1 to R4 is C1 to C6 alkyl, and wherein each of R5 to R7 is selected from the group consisting of hydrogen, C1 to C6 alkyl and halogen atom, and at least one of R5 to R7 is halogen atom, and wherein each of X and Y is selected from the group consisting of H, non-substituted C1 to C6 alkyl and C1 to C6 alkyl substituted by fluorine.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: April 7, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Soon-Wook Cha, Seung-Jae Lee
  • Patent number: 8986853
    Abstract: A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: March 24, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Do Han Kim, Chun Gun Park, Jong-Kwan Bin, Kyung Hoon Lee, Hyun-cheol Jeong, Dong-hee Yoo, Nam Sung Cho, Jong-Hyun Park, Tae han Park, Soon Wook Cha, Seung Jae Lee, In Bum Song, Jung Keun Kim
  • Patent number: 8940409
    Abstract: Disclosed is an organic light emitting material having the following chemical formula, for improving luminous efficiency, where R1, R2, R3 and R4 denote materials selected from an aromatic group with 6-24 carbon atoms (C6-C24), the group being independently substituted or unsubstituted, preferably, an aromatic group with 6-24 carbon atoms (C6-C24), the group consisting of trimethylsilane (TMS), CN, halogen (F, Cl, Br) alkyl groups with 1-4 carbon atoms (C1-C4).
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: January 27, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Kwan Bin, Soon-Wook Cha, Seung-Jae Lee, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Nam-Sung Cho
  • Patent number: 8876998
    Abstract: Disclosed is a method for manufacturing a flexible device comprising: forming an adhesive layer on a support substrate; adhering a flexible substrate onto the adhesive layer; forming a device layer on the flexible substrate; and separating the support substrate from the flexible substrate, wherein the adhesive layer comprises a self-assembled monolayer (SAM).
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: November 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Hyun Park, Chang Dong Kim, Gee Sung Chae, Juhn Suk Yoo, Soo Young Yoon, Soon Wook Cha, Won Bong Jang, Jae Kyung Choi
  • Patent number: 8835020
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: September 16, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Jae Lee, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Hyoung-Yun Oh, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, In-Sun Yoo, Tae-Han Park, Soon-Wook Cha
  • Publication number: 20140160398
    Abstract: The present invention provides an organic light emitting diode (OLED) device including a first electrode; a second electrode facing the first electrode; an emitting material layer disposed between the first and second electrodes and including a liquid crystal type emitting material being horizontally oriented.
    Type: Application
    Filed: August 22, 2013
    Publication date: June 12, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Kyung-Jin YOON, Gee-Sung CHAE, Soon-Wook CHA, Kyung-Hoon LEE, Seog-Shin KANG, Su-Yeon LEE, Hyo-Jin NOH, Dae-Wi YOON
  • Patent number: 8585454
    Abstract: A display device includes an insulating substrate, barriers surrounding predetermined regions on the insulating substrate, wherein ink composition is supplied in the predetermined regions, the ink composition including a first solvent which remains in a solid state in a temperature range between 10° C. and 30° C., a second solvent which remains in a liquid state in a temperature range between 10° C. and 30° C., and an organic material, and an organic layer formed in the predetermined regions by volatilizing the first solvent and the second solvent. Thus, the present invention provides a display device with an organic layer of regular quality.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: November 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-wook Cha, Jin-koo Chung, Joo-hyeon Lee, Jae-kook Ha, Jung-soo Rhee, Soo-yeon Lee, Seong-min Kim
  • Publication number: 20130135558
    Abstract: A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.
    Type: Application
    Filed: April 25, 2012
    Publication date: May 30, 2013
    Inventors: Kyung-Chan KIM, Gee-Sung CHAE, Soon-Wook CHA, Kyung-Hoon LEE, Joong-Pill PARK, Moon-Bae GEE, Sung-hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG
  • Publication number: 20120300157
    Abstract: The liquid crystal display panel includes a color filter substrate having R,G,B color filters, a black matrix for partitioning pixel regions having the color filters formed thereon, and a common electrode, a thin film transistor substrate bonded with the color filter substrate with liquid crystals disposed therebetween, the thin film transistor substrate having the thin film transistors and pixel electrodes connected to the thin film transistors respectively, and an alignment film having a first photoinduced alignment film formed on the color filter substrate for resolving a DC residual image, and a second alignment film formed on the thin film transistor substrate for improving surface anisotropy, wherein the first photoinduced alignment film includes a chemical compound expressed with a chemical formula 1 shown below. Where, n denotes 0, or a natural numeral larger than 0, and m denotes 1 or a natural numeral larger than 1.
    Type: Application
    Filed: December 12, 2011
    Publication date: November 29, 2012
    Inventors: Kyung-Chan Kim, Gee-Sung Chae, Soon-Wook Cha, Yong-Su Ham, Moon-Bae Gee, Beom-Gyun Jo
  • Patent number: 8263237
    Abstract: A red phosphorescent compound, includes a host material being capable of transporting an electron or a hole; and a dopant material represented by the following formula 1: wherein each of R1 to R4 is selected from the group consisting of hydrogen atom (H), C1 to C6 alkyl and C1 to C6 alkoxy, and at least one of R1 to R4 is C1 to C6 alkyl, and wherein each of R5 to R7 is selected from the group consisting of hydrogen, C1 to C6 alkyl and pyrrole, and at least one of R5 to R7 is pyrrole, and wherein each of X and Y is selected from the group consisting of H, non-substituted C1 to C6 alkyl and C1 to C6 alkyl substituted by fluorine.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: September 11, 2012
    Assignee: LG Display Co., Ltd
    Inventors: Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Soon-Wook Cha, Seung-Jae Lee, In-Bum Song
  • Publication number: 20120118478
    Abstract: Disclosed is a method for manufacturing a flexible device comprising: forming an adhesive layer on a support substrate; adhering a flexible substrate onto the adhesive layer; forming a device layer on the flexible substrate; and separating the support substrate from the flexible substrate, wherein the adhesive layer comprises a self-assembled monolayer (SAM).
    Type: Application
    Filed: June 8, 2011
    Publication date: May 17, 2012
    Inventors: Jong Hyun PARK, Chang Dong Kim, Gee Sung Chae, Juhn Suk Yoo, Soo Young Yoon, Soon Wook Cha, Won Bong Jang, Jae Kyung Choi
  • Publication number: 20120018679
    Abstract: A display device includes an insulating substrate, barriers surrounding predetermined regions on the insulating substrate, wherein ink composition is supplied in the predetermined regions, the ink composition including a first solvent which remains in a solid state in a temperature range between 10° C. and 30° C., a second solvent which remains in a liquid state in a temperature range between 10° C. and 30° C., and an organic material, and an organic layer formed in the predetermined regions by volatilizing the first solvent and the second solvent. Thus, the present invention provides a display device with an organic layer of regular quality.
    Type: Application
    Filed: October 5, 2010
    Publication date: January 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soon-wook CHA, Jin-koo CHUNG, Joo-hyeon LEE, Jae-kook HA, Jung-soo RHEE, Soo-yeon LEE, Seong-min KIM
  • Publication number: 20110156011
    Abstract: The present invention relates to a blue fluorescence compound which enables to achieve high brightness, a long lifetime and high efficiency; and an organic electroluminescence device thereof.
    Type: Application
    Filed: August 17, 2010
    Publication date: June 30, 2011
    Inventors: Jong-Kwan BIN, Soon-Wook Cha, Seung-Jae Lee, Jung-Keun Kim, Chun-Gun Park
  • Publication number: 20110006669
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: [Formula 1] wherein each of the R1, the R2, the R3, the R4, and the R5 is selected from hydrogen, fluorine, C1-C6 substituted or non-substituted alkyl group, C6-C30 substituted or non-substituted aromatic group, and C6-C30 substituted or non-substituted heterocyclic group, and two of the R1, the R2, the R3, the R4 and the R5 are fluorine and wherein the R6 is selected from the C6-C30 substituted or non-substituted aromatic group, and the C6-C30 substituted or non-substituted heterocyclic group.
    Type: Application
    Filed: December 18, 2009
    Publication date: January 13, 2011
    Inventors: Seung-Jae Lee, Soon-Wook Cha, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Nam-Sung Cho
  • Patent number: 7825589
    Abstract: A display device includes a thin film transistor formed on an insulating substrate; a first electrode electrically connected to the thin film transistor; a conductive polymer layer formed on the first electrode; a low molecular weight organic layer formed on the conductive polymer layer; a polymer light emitting layer formed on the low molecular weight organic layer; and a second electrode formed on the light emitting layer. With this configuration, a display device, which is capable of reducing pixel defects, can be provided.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: November 2, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kook Ha, Soon-wook Cha
  • Patent number: 7808177
    Abstract: A display device comprising: a thin film transistor formed on an insulating substrate; a first anode electrically connected to the thin film transistor; a first organic layer formed on the first anode and comprising a first light-emitting layer; a second anode formed on the first organic layer and electrically connected to the thin film transistor; a second organic layer formed on the second anode and comprising a second light-emitting layer; and a cathode formed on the second organic layer.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kook Ha, Soon-wook Cha, Joo-hyeon Lee, Soo-yeon Lee