Patents by Inventor Chung-Beom HONG

Chung-Beom HONG 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).

  • Positive photosensitive resin composition
    Patent number: 9256118
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) an alkali soluble resin selected from a polybenzoxazole precursor, a polyimide precursor, and a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) an organic dye and (E) a solvent, wherein the organic dye (D) includes at least one red dye having an absorption wavelength of 590 to 700 nm, at least one yellow dye having an absorption wavelength of 550 to 590 nm, and at least one blue dye having an absorption wavelength of 450 to 500 nm.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: February 9, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Jong-Hwa Lee, Hyun-Yong Cho, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Kyun Kim, Sang-Soo Kim, Eun-Kyung Yoon, Jun-Ho Lee, Jin-Young Lee, Hwan-Sung Cheon, Chung-Beom Hong, Eun-Ha Hwang
  • Positive photosensitive resin composition, and photosensitive resin layer and display device using the same
    Patent number: 8921019
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin including a polybenzoxazole precursor, a polyimide precursor, or a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) at least one organic dye having an absorption wavelength of about 400 nm to about 700 nm, and (E) a solvent, wherein the organic dye (D) is included in an amount of about 1 to about 40 parts by weight based on about 100 parts by weight of the alkali soluble resin (A), and a photosensitive resin layer and a display device using the same.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: December 30, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Jin-Hee Kang, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Kyun Kim, Sang-Soo Kim, Kun-Bae Noh, Eun-Kyung Yoon, Jong-Hwa Lee, Jun-Ho Lee, Jin-Young Lee, Hwan-Sung Cheon, Hyun-Yong Cho, Chung-Beom Hong, Eun-Ha Hwang
  • Positive Photosensitive Resin Composition
    Publication number: 20140170562
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) an alkali soluble resin selected from a polybenzoxazole precursor, a polyimide precursor, and a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) an organic dye and (E) a solvent, wherein the organic dye (D) includes at least one red dye having an absorption wavelength of 590 to 700 nm, at least one yellow dye having an absorption wavelength of 550 to 590 nm, and at least one blue dye having an absorption wavelength of 450 to 500 nm.
    Type: Application
    Filed: July 17, 2012
    Publication date: June 19, 2014
    Inventors: Ji-Yun Kwon, Jong-Hwa Lee, Hyun-Yong Cho, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Kyun Kim, Sang-Soo Kim, Eun-Kyung Yoon, Jun-Ho Lee, Jin-Young Lee, Hwan-Sung Cheon, Chung-Beom Hong, Eun-Ha Hwang
  • Positive photosensitive resin composition, and display device and organic light emitting device using the same
    Patent number: 8735029
    Abstract: Disclosed are a positive photosensitive resin composition including (A) an alkali soluble resin including a polybenzoxazole precursor, a polyimide precursor, or a combination thereof, (B) a photosensitive diazoquinone compound, (C) a compound represented by the following Chemical Formula 1, and (D) a solvent, and a display device and an organic light emitting device using the same. The Chemical Formula 1 is the same as defined in the detailed description.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: May 27, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Eun-Kyung Yoon, Eun-Ha Hwang, Jong-Hwa Lee, Ji-Yun Kwon, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Kyun Kim, Sang-Soo Kim, Kun-Bae Noh, Jun-Ho Lee, Jin-Young Lee, Hyun-Yong Cho, Chung-Beom Hong
  • Positive Photosensitive Resin Composition, and Photosensitive Resin Layer and Display Device Using the Same
    Publication number: 20130171568
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin including a polybenzoxazole precursor, a polyimide precursor, or a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) at least one organic dye having an absorption wavelength of about 400 nm to about 700 nm, and (E) a solvent, wherein the organic dye (D) is included in an amount of about 1 to about 40 parts by weight based on about 100 parts by weight of the alkali soluble resin (A), and a photosensitive resin layer and a display device using the same.
    Type: Application
    Filed: September 5, 2012
    Publication date: July 4, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ji-Yun KWON, Jin-Hee KANG, Dae-Yun KIM, Sang-Kyeon KIM, Sang-Kyun KIM, Sang-Soo KIM, Kun-Bae NOH, Eun-Kyung YOON, Jong-Hwa LEE, Jun-Ho LEE, Jin-Young LEE, Hwan-Sung CHEON, Hyun-Yong CHO, Chung-Beom HONG, Eun-Ha HWANG
  • Positive Photosensitive Resin Composition, and Display Device and Organic Light Emitting Device Using the Same
    Publication number: 20130171564
    Abstract: Disclosed are a positive photosensitive resin composition including (A) an alkali soluble resin including a polybenzoxazole precursor, a polyimide precursor, or a combination thereof, (B) a photosensitive diazoquinone compound, (C) a compound represented by the following Chemical Formula 1, and (D) a solvent, and a display device and an organic light emitting device using the same. The Chemical Formula 1 is the same as defined in the detailed description.
    Type: Application
    Filed: September 5, 2012
    Publication date: July 4, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Eun-Kyung YOON, Eun-Ha HWANG, Jong-Hwa LEE, Ji-Yun KWON, Dae-Yun KIM, Sang-Kyeon KIM, Sang-Kyun KIM, Sang-Soo KIM, Kun-Bae NOH, Jun-Ho LEE, Jin-Young LEE, Hyun-Yong CHO, Chung-Beom HONG