Patents by Inventor Seonghwan Ryu
Seonghwan Ryu 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: 8933871Abstract: A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, the invention provides a light generating device comprising: a first layer; a plurality of light source devices disposed on the first layer and configured to emit light, at least one of the light source devices including a light emitting diode for generating the light; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; a second layer covering the light source devices and the reflection layer and configured to propagate the light reflected by the reflection layer, the second layer including a plurality of depressed portions, at least one of the depressed portions disposed between two adjacent light source devices among the plurality of light source devices; and at least one third layer disposed on the second layer and configured to diffuse the light propagated by the second layer.Type: GrantFiled: August 20, 2010Date of Patent: January 13, 2015Assignee: LG Electronics Inc.Inventors: Sangtae Park, Sangjeon Kim, Sungwoo Kim, Soonhyung Kwon, Bupsung Jung, Seungchoon Bae, Hoyoung Seo, Seonghwan Ryu, Buwan Seo
-
Patent number: 8776154Abstract: A method for controlling display of information includes displaying content on a first display device, receiving a signal to share information, generating a message including information corresponding to the displayed content, and transmitting the message for display on at least a second display device. The message is transmitted to a provider of a network-related service, and the first and second display devices have access to the network-related service which may be but is not limited to a social network service.Type: GrantFiled: October 19, 2011Date of Patent: July 8, 2014Assignee: LG Electronics Inc.Inventors: Sangjeon Kim, Hanbitt Joo, Seonghwan Ryu
-
Patent number: 8625049Abstract: A liquid crystal display includes a liquid crystal display panel, a backlight and a cover. The backlight includes optical sheets that are configured to be mounted to the cover using a plurality of holes provided on the optical sheet that material to corresponding protrusions provided on the cover. The holes and protrusions are configured to reduce damage or misalignment to the optical sheet that may be caused by heat generated inside the liquid crystal display.Type: GrantFiled: August 25, 2010Date of Patent: January 7, 2014Assignee: LG Electronics Inc.Inventors: Sangjeon Kim, Seonghwan Ryu
-
Patent number: 8605012Abstract: A method of driving a plasma display apparatus including a scan electrode and a sustain electrode, that are positioned parallel to each other, are disclosed. The method includes supplying a scan signal to the scan electrode during an address period of a first subfield among a plurality of subfields of a frame, supplying a reset signal to the scan electrode during a reset period of a second subfield immediately following the first subfield, supplying a first signal between the scan signal and the reset signal to the scan electrode, and supplying a second signal overlapping the first signal to the sustain electrode. A pulse width of the second signal is smaller than a pulse width of the first signal.Type: GrantFiled: October 2, 2008Date of Patent: December 10, 2013Assignee: LG Electronics Inc.Inventors: Kirack Park, Gyungrae Kim, Jongwoon Bae, Seonghwan Ryu
-
Patent number: 8393775Abstract: A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, a light generating device comprising: arrays of light source devices arranged on a first layer and including a first light source device and a second light source device configured emit light in opposite directions, at least one of the first and second light source devices including: a housing having inclined inner walls that define a cavity, a light emitting diode disposed in the cavity and configured to generate the light, and at least one material filled in the cavity; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; and a second layer covering the light source devices and the reflection layer.Type: GrantFiled: August 20, 2010Date of Patent: March 12, 2013Assignee: LG Electronics Inc.Inventors: Sungwoo Kim, Sangjeon Kim, Sangtae Park, Soonhyung Kwon, Buwan Seo, Bupsung Jung, Seungchoon Bae, Seonghwan Ryu
-
Patent number: 8253656Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including scan electrodes and sustain electrodes, a sensor unit for detecting a temperature or a peripheral temperature of the panel, and a scan driver for supplying reset signals to the scan electrodes in a reset period of at least one subfield among a plurality of subfields at a predetermined reference temperature so that a first period in which a lowest voltage of the reset signal is supplied is different from a supply period of a lowest voltage when the temperature or the peripheral temperature of the PDP deviates the predetermined reference temperature.Type: GrantFiled: February 12, 2008Date of Patent: August 28, 2012Assignee: LG Electronics Inc.Inventors: Kirack Park, Jongwoon Bae, Seonghwan Ryu
-
Publication number: 20120147270Abstract: A display device receives first data indicative of a plurality of downloaded applications and then displays the first data in different areas on a screen corresponding respective ones of the applications. Also, second data is assigned to the applications, with the second data indicative of a different order or rank of the applications. The second data is displayed with the first data on the screen.Type: ApplicationFiled: November 15, 2011Publication date: June 14, 2012Inventors: Sangjeon KIM, Hanbitt Joo, Seonghwan Ryu
-
Publication number: 20120144423Abstract: A method for controlling display of information includes displaying content on a first display device, receiving a signal to share information, generating a message including information corresponding to the displayed content, and transmitting the message for display on at least a second display device. The message is transmitted to a provider of a network-related service, and the first and second display devices have access to the network-related service which may be but is not limited to a social network service.Type: ApplicationFiled: October 19, 2011Publication date: June 7, 2012Inventors: Sangjeon KIM, Hanbitt Joo, Seonghwan Ryu
-
Publication number: 20120099024Abstract: A multifunctional display apparatus is provided by including a tuner, a network interface, a display, a power supply, a wireless input interface, a storage device, and a controller. The controller may determine whether software stored in the storage device is to be updated. The controller may provide the display apparatus in an update mode in response to the display apparatus receiving a turn-off request and the controller determines that the software is to be updated. In the update mode, the display apparatus receives updated software and power to the display is OFF, and the controller provides the display apparatus in a turn-off mode after completing the update mode. In the turn-off mode, power to additional components of the display apparatus is OFF.Type: ApplicationFiled: February 24, 2011Publication date: April 26, 2012Inventors: Seonghwan RYU, Hanbitt Joo, Sangjeon Kim
-
Patent number: 8098216Abstract: A plasma display apparatus and a driving method thereof are provided. The plasma display apparatus and a driving method thereof represent an image by a combination of a plurality of subfields, supply a first pulse to the first electrode in a negative polarity direction before a reset period for initializing in at least one of the plurality of subfields, supply a second pulse to the second electrode in an opposite polarity direction of the first pulse while the first pulse is supplied to the first electrode, and do not supply a sustain pulse to at least one of the first electrode and the second electrode in a sustain period after the reset period.Type: GrantFiled: June 20, 2006Date of Patent: January 17, 2012Assignee: LG Electronics Inc.Inventors: Kirack Park, Seonghwan Ryu
-
Patent number: 8026868Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plurality of scan electrodes, a plurality of data electrodes, a scan driver and a data driver. The scan driver scans the plurality of scan electrodes during an address period in one scanning type of a plurality of scanning types having different scanning orders. Further, the scan driver supplies a scan signal, of which the duration of a voltage rising period is different from the duration of a voltage falling period, to the scan electrodes when scanning the scan electrodes. The data driver supplies a data signal to the data electrodes depending on the scanning type selected from the plurality of scanning types.Type: GrantFiled: August 30, 2006Date of Patent: September 27, 2011Assignee: LG Electronics Inc.Inventors: Jongwoon Bae, Kirack Park, Seonghwan Ryu, Yoonjoo Cho, Dooyong Hwang
-
Publication number: 20110205464Abstract: A liquid crystal display includes a liquid crystal display panel, a backlight and a cover. The backlight includes optical sheets that are configured to be mounted to the cover using a plurality of holes provided on the optical sheet that material to corresponding protrusions provided on the cover. The holes and protrusions are configured to reduce damage or misalignment to the optical sheet that may be caused by heat generated inside the liquid crystal display.Type: ApplicationFiled: August 25, 2010Publication date: August 25, 2011Inventors: Sangjeon KIM, Seonghwan Ryu
-
Publication number: 20110051043Abstract: A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, a light generating device comprising: arrays of light source devices arranged on a first layer and including a first light source device and a second light source device configured emit light in opposite directions, at least one of the first and second light source devices including: a housing having inclined inner walls that define a cavity, a light emitting diode disposed in the cavity and configured to generate the light, and at least one material filled in the cavity; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; and a second layer covering the light source devices and the reflection layer.Type: ApplicationFiled: August 20, 2010Publication date: March 3, 2011Inventors: Sungwoo KIM, Sangjeon KIM, Sangtae PARK, Soonhyung KWON, Buwan SEO, Bupsung JUNG, Seungchoon BAE, Seonghwan RYU
-
Publication number: 20110050558Abstract: A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, the invention provides a light generating device comprising: a first layer; a plurality of light source devices disposed on the first layer and configured to emit light, at least one of the light source devices including a light emitting diode for generating the light; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; a second layer covering the light source devices and the reflection layer and configured to propagate the light reflected by the reflection layer, the second layer including a plurality of depressed portions, at least one of the depressed portions disposed between two adjacent light source devices among the plurality of light source devices; and at least one third layer disposed on the second layer and configured to diffuse the light propagated by the second layer.Type: ApplicationFiled: August 20, 2010Publication date: March 3, 2011Inventors: Sangtae PARK, Sangjeon Kim, Sungwoo Kim, Soonhyung Kwon, Bupsung Jung, Seungchoon Bae, Hoyoung Seo, Seonghwan Ryu, Buwan Seo
-
Patent number: 7812789Abstract: A method of driving a plasma display apparatus is disclosed. The method includes supplying a data signal to a discharge cell during a-th to b-th subfields, arranged in increasing order of gray level weight, of an n-th frame, and supplying a data signal to the discharge cell during a (b+1)-th subfield of an (n+1)-th frame. The number of sustain signals assigned in the a-th to b-th subfields of the n-th frame is less than the number of sustain signals assigned in the (b+1)-th subfield of the (n+1)-th frame. The number of sustain signals assigned in a (b+1)-th subfield of the n-th frame is less than the number of sustain signals assigned in the (b+1)-th subfield of the (n+1)-th frame.Type: GrantFiled: November 22, 2006Date of Patent: October 12, 2010Assignee: LG Electronics Inc.Inventors: Kirack Park, Seonghwan Ryu
-
Patent number: 7746296Abstract: A plasma display apparatus and a method of driving the same are provided. The plasma display apparatus comprises a plasma display panel, a scan driver, and a data driver. The plasma display panel comprises a scan electrode, a sustain electrode, a first address electrode, and a second address electrode. The scan driver supplies a pulse to the scan electrode between a reset period and an address period. The data driver supplies a data pulse to the first address electrode and the second address electrode at different points of time.Type: GrantFiled: January 4, 2007Date of Patent: June 29, 2010Assignee: LG Electronics Inc.Inventors: Kirack Park, Seonghwan Ryu
-
Patent number: 7719188Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel, on which an image is displayed, and a filter positioned in front of the plasma display panel. A discharge gas filled in the plasma display panel contains xenon (Xe) equal to or more than 10% based on total weight of the discharge gas. The filter includes a base portion, and a pattern portion formed on the base portion, having a color darker than a color of the base portion.Type: GrantFiled: January 5, 2007Date of Patent: May 18, 2010Assignee: LG Electronics Inc.Inventors: Seonghwan Ryu, Kirack Park, Jongwoon Bae
-
Patent number: RE47135Abstract: A liquid crystal display includes a liquid crystal display panel, a backlight and a cover. The backlight includes optical sheets that are configured to be mounted to the cover using a plurality of holes provided on the optical sheet that material to corresponding protrusions provided on the cover. The holes and protrusions are configured to reduce damage or misalignment to the optical sheet that may be caused by heat generated inside the liquid crystal display.Type: GrantFiled: November 7, 2014Date of Patent: November 20, 2018Assignee: LG ELECTRONICS INC.Inventors: Sangjeon Kim, Seonghwan Ryu
-
Patent number: RE47541Abstract: A liquid crystal display includes a liquid crystal display panel, a backlight and a cover. The backlight includes optical sheets that are configured to be mounted to the cover using a plurality of holes provided on the optical sheet that material to corresponding protrusions provided on the cover. The holes and protrusions are configured to reduce damage or misalignment to the optical sheet that may be caused by heat generated inside the liquid crystal display.Type: GrantFiled: December 14, 2015Date of Patent: July 30, 2019Assignee: LG ELECTRONICS INC.Inventors: Sangjeon Kim, Seonghwan Ryu
-
Patent number: RE49403Abstract: A liquid crystal display includes a liquid crystal display panel, a backlight and a cover. The backlight includes optical sheets that are configured to be mounted to the cover using a plurality of holes provided on the optical sheet that material to corresponding protrusions provided on the cover. The holes and protrusions are configured to reduce damage or misalignment to the optical sheet that may be caused by heat generated inside the liquid crystal display.Type: GrantFiled: June 10, 2019Date of Patent: January 31, 2023Assignee: LG ELECTRONICS INC.Inventors: Sangjeon Kim, Seonghwan Ryu