Patents by Inventor Gee-Bum Kim

Gee-Bum Kim 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: 20150021581
    Abstract: An organic light emitting diode display and a manufacturing method thereof, and more particularly, an organic light emitting diode display having improved light extraction efficiency by forming both a first electrode and a second electrode as reflective electrodes to guide generated light to the side of a pixel, and a manufacturing method thereof.
    Type: Application
    Filed: October 3, 2014
    Publication date: January 22, 2015
    Inventors: Gee-Bum Kim, Won-Sang Park, Min-Woo Kim
  • Publication number: 20150015617
    Abstract: A method for controlling optical quantities of an organic light emitting diode (“OLED”) display includes generating an inverse matrix using an initial setting of the OLED display, calculating a variation between the initial setting and a target setting using the target setting, the initial setting and the inverse matrix, where the target setting is input by a user of the OLED, and controlling optical quantities of the OLED display using the variation.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 15, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yong-Seok YEO, Sang-Min LIM, Gee-Bum KIM
  • Patent number: 8921840
    Abstract: An organic light emitting diode display includes a first substrate, an organic light emitting diode on the first substrate, a second substrate on the organic light emitting diode, and a capping layer between the second substrate and the organic light emitting diode. The capping layer collects light emitted from the organic light emitting diode, and the capping layer collects the light in a direction of the second substrate corresponding to the organic light emitting diode.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Woo Kim, Gee-Bum Kim, Soo-Min Baek, Il-Nam Kim, Won-Sang Park
  • Publication number: 20140353595
    Abstract: An organic light-emitting display apparatus includes an insulating layer including a inclined structure; a first electrode on the insulating layer; a pixel defining layer on the insulating layer and the first electrode, and defining an emissive region and a non-emissive region; a bump on the pixel defining layer; an organic emission layer on the first electrode; and a second electrode on the organic emission layer.
    Type: Application
    Filed: August 29, 2013
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hae-Yun Choi, Gee-Bum Kim, Man-Seob Choi
  • Patent number: 8890135
    Abstract: Provided is an organic light emitting display device, including a substrate, an insulating layer on the substrate, and a display element layer on the insulating layer, in which the insulating layer includes one or more low refractive layers and one or more high refractive layers.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gee-Bum Kim, Jae-Ik Lim, Won-Sang Park, Min-Woo Kim
  • Patent number: 8890179
    Abstract: An organic light-emitting display apparatus includes an organic light-emitting device including a pixel electrode, an opposite electrode facing the pixel electrode, and an organic light-emitting layer interposed between the pixel electrode and the opposite electrode; a first polarization plate disposed on a surface of the organic light-emitting device, the organic light-emitting device being configured to emit light through the first polarization plate; a second polarization plate facing the first polarization plate; and an optical compensation member between the first polarization plate and the second polarization plate.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Ik Lim, Won-Sang Park, Yi-Joon Ahn, Gee-Bum Kim
  • Patent number: 8884280
    Abstract: An organic light emitting diode display and a manufacturing method thereof, and more particularly, an organic light emitting diode display having improved light extraction efficiency by forming both a first electrode and a second electrode as reflective electrodes to guide generated light to the side of a pixel, and a manufacturing method thereof.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gee-Bum Kim, Won-Sang Park, Min-Woo Kim
  • Patent number: 8872860
    Abstract: A method for driving a display device includes cumulatively applying a reset pulse of a predetermined level to a first electrode and applying a common voltage to a second electrode opposed to the first electrode to form an initial state of a plurality of cholesteric liquid crystal capsules included in a liquid crystal layer between the first electrode and the second electrode. The method also includes cumulatively applying a data pulse of a predetermined level to the first electrode to display a grayscale.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Ik Lim, Jae-Hyun Kim, Won-Sang Park, Jong-In Baek, Gee-Bum Kim, Yong-Seok Yeo
  • Publication number: 20140217370
    Abstract: Provided is an organic light emitting display device, including a substrate, an insulating layer on the substrate, and a display element layer on the insulating layer, in which the insulating layer includes one or more low refractive layers and one or more high refractive layers.
    Type: Application
    Filed: July 12, 2013
    Publication date: August 7, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gee-Bum KIM, Jae-Ik LIM, Won-Sang PARK, Min-Woo KIM
  • Publication number: 20140167005
    Abstract: An organic light emitting display includes a thin film transistor substrate, and an organic light emitting device on the thin film transistor substrate, the organic light emitting device including a first electrode on the thin film transistor substrate, the first electrode being configured to reflect light, an organic layer on the first electrode and including at least an emitting layer, a transflective second electrode on the organic layer, and a color filter between the first electrode and the transflective second electrode.
    Type: Application
    Filed: September 6, 2013
    Publication date: June 19, 2014
    Inventors: Gee-Bum KIM, Min Woo KIM
  • Publication number: 20140124749
    Abstract: An organic light emitting diode display includes a first substrate, an organic light emitting diode on the first substrate, a second substrate on the organic light emitting diode, and a capping layer between the second substrate and the organic light emitting diode. The capping layer collects light emitted from the organic light emitting diode, and the capping layer collects the light in a direction of the second substrate corresponding to the organic light emitting diode.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 8, 2014
    Inventors: Min-Woo KIM, Gee-Bum KIM, Soo-Min BAEK, Il-Nam KIM, Won-Sang PARK
  • Publication number: 20140061605
    Abstract: An organic light emitting diode display and a manufacturing method thereof, and more particularly, an organic light emitting diode display having improved light extraction efficiency by forming both a first electrode and a second electrode as reflective electrodes to guide generated light to the side of a pixel, and a manufacturing method thereof.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 6, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gee-Bum Kim, Won-Sang Park, Min-Woo Kim
  • Publication number: 20140027725
    Abstract: An organic light emitting display device including: a substrate; a plurality of first electrodes formed over the substrate; a pixel defining layer (PDL) formed over the substrate, and separating the plurality of first electrodes from one another when viewed in a thickness direction of the display device; a plurality of light emitting layer portions formed over one of the plurality of first electrodes; at least a second electrode formed over the plurality of light emitting layer portions; and a filter unit formed over the at least a second electrode. The filter unit includes a black matrix layer defining a plurality of openings, an organic layer formed over the black matrix layer and the plurality of openings, and comprising a plurality of lens-shaped embossed portions, and a plurality of color filters formed over the organic layer.
    Type: Application
    Filed: January 11, 2013
    Publication date: January 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Ik Lim, Won-Sang Park, Hae-Yun Choi, Gee-Bum Kim
  • Publication number: 20140027724
    Abstract: An organic light emitting display device including: a substrate; a plurality of first electrodes formed over the substrate; a pixel defining layer (PDL) formed over the substrate, and separating the plurality of first electrodes from one another when viewed in a thickness direction of the display device; a plurality of light emitting layer portions, each of which is formed over one of the plurality of first electrodes; at least a second electrode formed over the plurality of light emitting layer portions; and a filter unit formed over the at least a second electrode. The filter unit includes a black matrix layer having an opening and a plurality of color filters formed over the black matrix layer, and each color filter comprising at least one embossed portion formed over one of the plurality of openings.
    Type: Application
    Filed: January 11, 2013
    Publication date: January 30, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-IK Lim, Min-Woo Kim, Hae-Yun Choi, Gee-Bum Kim
  • Publication number: 20130342772
    Abstract: A liquid crystal display device includes a first substrate, a first electrode on the first substrate, a second substrate facing the first substrate, a second electrode on the second substrate facing the first electrode, and a liquid crystal structure between the first electrode and the second electrode. The liquid crystal structure includes a polymer network and liquid crystal molecules. The liquid crystal display device operates in a transmissive mode when an electric field is not generated between the first and the second electrodes, and operates in a scattering mode when the electric field is generated between the first and the second electrodes.
    Type: Application
    Filed: January 23, 2013
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Ik Lim, Jae-Hyun Kim, Gee-Bum Kim, Yong-Seok Yeo
  • Patent number: 8610851
    Abstract: A liquid crystal display device includes a first substrate having a reflective region and a transmissive region, a second substrate corresponding to the first substrate, and a liquid crystal structure located between the first substrate and the second substrate, the liquid crystal structure including a first liquid crystal layer located in the reflective region and a second liquid crystal layer located in the transmissive region, wherein the first liquid crystal layer is configured to control movement of the second liquid crystal layer.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Ik Lim, Jae-Hyun Kim, Gee-Bum Kim
  • Patent number: 8570467
    Abstract: A transflective liquid crystal display (LCD) includes: a first substrate formed with a thin film transistor and a pixel electrode connected to the thin film transistor; a second substrate formed with a common electrode and a color filter and facing the first substrate; a liquid crystal layer formed between the first substrate and the second substrate; a first polarizing plate disposed at one side of the first substrate that does not face the second substrate; a second polarizing plate disposed at one side of the second substrate that does not face the first substrate; a cholesteric film formed on the first substrate; and a backlight unit disposed at one side of the first polarizing plate that does not face the first substrate.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: October 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gee-Bum Kim, Won-Sang Park, Jae-Hyun Kim, Jae-Ik Lim, Jong-In Baek, Yong-Seok Yeo
  • Publication number: 20130265631
    Abstract: A flexible display apparatus that has improved portability and convenience of usage. The flexible display apparatus includes a display main body that is flexible; and a bendable driving film coupled to the display main body, and that bends when an electric current flows. The flexible display apparatus may be flexibly transformed to be stored when it is carried, and then, may be unfolded to be flat through a simple manipulation when it is in use for displaying an image. Thus, the convenience of carrying and using the flexible display apparatus may be increased.
    Type: Application
    Filed: August 31, 2012
    Publication date: October 10, 2013
    Inventors: Yi-Joon Ahn, Jae-Ik Lim, Man-Seob Choi, Gee-Bum Kim, Yong-Seok Yeo
  • Patent number: 8531628
    Abstract: A display device comprises: a first substrate; a second substrate opposite the first substrate; an electrode unit formed on one or both of the first substrate and the second substrate, and configured to form an electric field between the first substrate and the second substrate; and a polymer dispersed liquid crystal layer located so as to correspond to the electric field formed between the first substrate and the second substrate, and having a reflector configured to reflect light.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: September 10, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Seok Yeo, Jae-Hyun Kim, Jae-Ik Lim, Gee-Bum Kim, Jong-in Baek
  • Patent number: 8519385
    Abstract: An organic light emitting diode (OLED) display according to an exemplary embodiment of the invention includes: a display substrate including a plurality of pixel areas; a tilt layer formed on the display substrate of each of the plurality of pixel areas, and having a tilt angle with respect to the display substrate; a first electrode formed on the tilt layer; an organic emission layer formed on the first electrode; a second electrode formed on the organic emission layer; an encapsulation substrate disposed on the second electrode and in parallel with the display substrate; and a prism sheet formed on the encapsulation substrate and having a plurality of prisms.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Ik Lim, Yi-Joon Ahn, Gee-Bum Kim, Yong-Seok Yeo, Man-Seob Choi