Patents by Inventor Jang-Doo Lee

Jang-Doo Lee 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).

  • Publication number: 20210041601
    Abstract: A cover window includes: a polymer film, a first hard coating layer on the polymer film, a first inorganic layer facing the polymer film with the first hard coating layer therebetween, and a second inorganic layer on the polymer film and defining an outer surface of the cover window.
    Type: Application
    Filed: April 13, 2020
    Publication date: February 11, 2021
    Inventors: Hye-Jin OH, Young Sang PARK, In Seok SEO, Sung Guk AN, Hung Kun AHN, Jang Doo LEE
  • Publication number: 20200339774
    Abstract: A protective window includes a flexible base film and a hard coating layer disposed on the flexible base film. The hard coating layer includes a silicone leveling agent and an inorganic antistatic agent. The coating layer includes an upper area and a lower area disposed between the upper area and the flexible base film, and a density of the inorganic antistatic agent in the lower area is greater than a density of the inorganic antistatic agent in the upper area.
    Type: Application
    Filed: March 4, 2020
    Publication date: October 29, 2020
    Inventors: Young-Sang PARK, Young Moon KIM, Kicheol SONG, Hung Kun AHN, Kyou Jong PARK, Sung Guk AN, Jang Doo LEE, Jeong Chul HO
  • Publication number: 20200266368
    Abstract: A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.
    Type: Application
    Filed: October 21, 2019
    Publication date: August 20, 2020
    Inventors: Jun Su PARK, Young Do KIM, Young Moon KIM, Kyung Lae RHO, Young Gil PARK, Ji Hye SEO, Ki Cheol SONG, Na Ri AHN, Jang Doo LEE
  • Publication number: 20200235340
    Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5), where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Inventors: Young Eun OH, Jai Ku SHIN, Han Sun RYOU, So Dam AHN, Jang Doo LEE
  • Patent number: 10665816
    Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5) where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Eun Oh, Jai Ku Shin, Han Sun Ryou, So Dam Ahn, Jang Doo Lee
  • Publication number: 20200091458
    Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5) where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.
    Type: Application
    Filed: April 26, 2019
    Publication date: March 19, 2020
    Inventors: Young Eun OH, Jai Ku SHIN, Han Sun RYOU, So Dam AHN, Jang Doo LEE
  • Publication number: 20200089277
    Abstract: A display device includes a flexible display module and a support member located below the flexible display module. The support member includes a first support member and a second support member. A portion of each of the first support member and the second support member, which is adjacent to a bending axis, is bent to have a curvature.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 19, 2020
    Inventors: Jaechun PARK, Changmin PARK, Sang wol LEE, Jang doo Lee
  • Patent number: 10474264
    Abstract: A display device, including: a substrate; an electrode unit provided on the substrate; an emission layer driven by the electrode unit; a capacitive touch sensor provided on the electrode unit; and a conductive layer provided on the touch sensor.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwan Ho Kim, Ja Seung Ku, Jin Hee Park, Ho Seok Son, Jang Doo Lee, Sung Yeon Cho, Jae Hyung Cho
  • Patent number: 10319263
    Abstract: A flexible display is disclosed. In one aspect, the flexible display a flexible display panel includes a display area and a peripheral area located on opposing sides of the display area and a first fixing part located over an upper surface of the peripheral area of the flexible display panel. The first fixing part is configured to have a first restoring force that presses on the upper surface of the flexible display panel. The flexible display also includes a second fixing part located below a lower surface of the peripheral area of the flexible display panel. The second fixing part is configured to have a second restoring force that presses on the lower surface of the flexible display panel.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hun Lee, Sang Jo Lee, Jang Doo Lee, Ju Suck Lee, Kyung Min Choi, Won Suk Choi
  • Patent number: 10216230
    Abstract: A window substrate includes a glass substrate including first and second surfaces opposite to each other, the glass substrate having a thickness of about 25 ?m to about 100 ?m, and a coating layer disposed on the first surface. The glass substrate includes SiO2, Al2O3 and Na2O, and the mole ratio of Al2O3/Na2O is equal to or smaller than 1.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myung Hwan Kim, Ik Hyung Park, Seong Jin Hwang, Sung Chul Kim, Jang Doo Lee, Jong Hyuk Lee
  • Publication number: 20180067597
    Abstract: A display device, including: a substrate; an electrode unit provided on the substrate; an emission layer driven by the electrode unit; a capacitive touch sensor provided on the electrode unit; and a conductive layer provided on the touch sensor.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 8, 2018
    Inventors: Kwan Ho KIM, Ja Seung Ku, Jin Hee Park, Ho Seok Son, Jang Doo Lee, Sung Yeon Cho, Jae Hyung Cho
  • Publication number: 20180046220
    Abstract: A window substrate includes a glass substrate including first and second surfaces opposite to each other, the glass substrate having a thickness of about 25 ?m to about 100 ?m, and a coating layer disposed on the first surface. The glass substrate includes SiO2, Al2O3 and Na2O, and the mole ratio of Al2O3/Na2O is equal to or smaller than 1.
    Type: Application
    Filed: June 16, 2017
    Publication date: February 15, 2018
    Inventors: Myung Hwan KIM, Ik Hyung PARK, Seong Jin HWANG, Sung Chul KIM, Jang Doo LEE, Jong Hyuk LEE
  • Patent number: 9747822
    Abstract: A rollable display device includes a flexible display panel displaying an image, a housing accommodating the flexible display panel in a rolled state, the housing having a bent opening portion through which the flexible display panel is pulled out, and a grip attached to the flexible display panel, the grip pulling the flexible display panel out of the housing by an external force.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junghun Lee, Youn Joon Kim, Sangjo Lee, Jang Doo Lee, Jusuck Lee, Mi Jang, Kyungmin Choi
  • Patent number: 9625946
    Abstract: Provided is a display device, including a flexible display panel; and a first roller connected to the display panel and having an outer surface, the first roller winding the flexible display panel on the outer surface, the first roller winding both in a first rotating direction and in a second rotating direction opposite to the first direction.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: April 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hun Lee, Youn Joon Kim, Cheol Su Kim, Yoon Jee Shin, Sang Jo Lee, Jang Doo Lee, Ju Suck Lee, Kyung Min Choi
  • Publication number: 20160163241
    Abstract: A rollable display device includes a flexible display panel displaying an image, a housing accommodating the flexible display panel in a rolled state, the housing having a bent opening portion through which the flexible display panel is pulled out, and a grip attached to the flexible display panel, the grip pulling the flexible display panel out of the housing by an external force.
    Type: Application
    Filed: July 1, 2015
    Publication date: June 9, 2016
    Inventors: Junghun LEE, Youn Joon KIM, Sangjo LEE, Jang Doo LEE, Jusuck LEE, Mi JANG, Kyungmin CHOI
  • Publication number: 20160161983
    Abstract: A flexible display is disclosed. In one aspect, the flexible display a flexible display panel includes a display area and a peripheral area located on opposing sides of the display area and a first fixing part located over an upper surface of the peripheral area of the flexible display panel. The first fixing part is configured to have a first restoring force that presses on the upper surface of the flexible display panel. The flexible display also includes a second fixing part located below a lower surface of the peripheral area of the flexible display panel. The second fixing part is configured to have a second restoring force that presses on the lower surface of the flexible display panel.
    Type: Application
    Filed: March 31, 2015
    Publication date: June 9, 2016
    Inventors: Jung Hun Lee, Sang Jo Lee, Jang Doo Lee, Ju Suck Lee, Kyung Min Choi, Won Suk Choi
  • Publication number: 20160140905
    Abstract: A display device includes: a display panel including a plurality of pixels; and a controller configured to adjust a data signal applied to each of the plurality of pixels, and the plurality of pixels includes a plurality of pixel blocks, and the controller is configured to calculate a remaining lifespan of each of the plurality of pixel blocks and to adjust a maximum luminance of pixels between a first pixel block and a second pixel block based on a remaining lifespan of the first pixel block, by selecting the first pixel block and the second pixel block based on the remaining lifespan of each of the pixel blocks.
    Type: Application
    Filed: May 11, 2015
    Publication date: May 19, 2016
    Inventors: Myoung Hwan Yoo, Jang Doo Lee
  • Patent number: 9257069
    Abstract: A controller for a display panel may include a first supply circuit to output first and second driving voltages to a sub-pixel of a first color; and a second supply circuit to output third and fourth driving voltages to a sub-pixel of a second color. The first driving voltage may be greater than the second driving voltage, and the third driving voltage may be greater than the fourth driving voltage. Also, at least three of the first, second, third, and fourth driving voltages may be different from one another.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Leonid Kaplan, Heung-Yeol Na, Ho-Ryun Chung, Wang-Jo Lee, Jang-Doo Lee
  • Publication number: 20160034000
    Abstract: Provided is a display device, including a flexible display panel; and a first roller connected to the display panel and having an outer surface, the first roller winding the flexible display panel on the outer surface, the first roller winding both in a first rotating direction and in a second rotating direction opposite to the first direction.
    Type: Application
    Filed: December 4, 2014
    Publication date: February 4, 2016
    Inventors: Jung Hun LEE, Youn Joon KIM, Cheol Su KIM, Yoon Jee SHIN, Sang Jo LEE, Jang Doo LEE, Ju Suck LEE, Kyung Min CHOI
  • Patent number: 9083964
    Abstract: A stereoscopic image display device includes: a display unit including a plurality of pixels arranged in a matrix format, the pixels including left-eye and right-eye pixels alternately arranged in one direction; a memory including a left-eye image area for storing left-eye image data corresponding to the left-eye pixels and a right-eye image area for storing right-eye image data corresponding to the right-eye pixels; an address comparator for the respectively storing the left-eye and right-eye image data at corresponding addresses of the left-eye and right-eye image areas and making an arrangement of the left-eye and right-eye image areas in the memory in response to a first signal; a data synthesizer for synthesizing a stereoscopic image signal from the data stored in the memory; and a data driver for applying a data signal corresponding to a stereoscopic image signal to the display unit.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: July 14, 2015
    Assignees: Nexuschips Co., Ltd., Samsung Display Co., Ltd.
    Inventors: Myoung-Seop Song, Jang-Doo Lee, Hyoung-Wook Jang, Hag-Keun Kim, Duck-Myung Lee, Han-Jun Choi, Hyun-Sook Kim, Woo-Jong Lee