Patents by Inventor Il-Ho Lee

Il-Ho 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).

  • Patent number: 9213203
    Abstract: A 3D image display includes a display panel operated in 2D and 3D driving modes and a barrier panel turned off in the 2D driving mode and turned on in the 3D driving mode to separate an image output from the display panel to left and right-eye images. The barrier panel includes a reference electrode, first barrier electrodes arranged in a first direction, second barrier electrodes alternately arranged with the first barrier electrodes along the first direction, and a liquid crystal layer interposed between the reference electrode and the first and second barrier electrodes. Each first barrier electrode includes first electrode pieces arranged in a zigzag fashion along a second direction different from the first direction, and each second barrier electrode includes second electrode pieces arranged in the zigzag fashion.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: December 15, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: JungHyun Cho, Taehyung Kim, Seong Mo Hwang, Il Ho Lee, Jae Jin Pyun, Yoon Gu Kim, Hyeon Yong Jang, Sang Min Jeon, Moon Jung Baek
  • Patent number: 9202949
    Abstract: A sensor substrate includes a base substrate, a black matrix pattern, a sensing electrode pattern, a driving electrode pattern, and at least one bridge line. The black matrix pattern is disposed on the base substrate and divides the base substrate into a light transmission area and a light blocking area. The sensing electrode pattern includes a plurality of first unit patterns arranged in association with a first direction. The driving electrode pattern includes a plurality of second unit patterns arranged in association with a second direction and disposed adjacent to the plurality of first unit patterns. The at least one bridge line is connected between at least two of the plurality of first unit patterns or between at least two of the plurality of second unit patterns.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Cheol Kim, Ji-Hong Park, Hyun-Ju Lee, Il-Ho Lee, Moon-Sung Choi, Seong-Mo Hwang, Ki-Hyuk Kim, Seung-Ho Nam
  • Publication number: 20150286329
    Abstract: A display apparatus includes a display panel that displays an image during a display period and detects a touch event during a non-display period. The display panel includes a plurality of common electrodes and a plurality of data lines capacitively coupled to the common electrodes during the non-display period. Coordinate information of a position at which the touch event occurs is calculated on the basis of a capacitance variation of the common electrodes and the data lines.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Inventors: Moonsung CHOI, Incheol KIM, Seongmo HWANG, Jihong PARK, Il Ho LEE, Seungho NAM
  • Patent number: 9146761
    Abstract: A virtualization system for supporting at least two operating systems and resource allocation method of the virtualization system are provided. The method includes allocating resources to the operating systems, calculating, when one of the operating systems is running, workloads for each operating system, and adjusting resources allocated to the operating systems according to the calculated workloads. The present invention determines the workloads of a plurality of operating systems running in the virtualization system and allocates time resources dynamically according to the variation of the workloads.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: September 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Il Ho Lee, In Choon Yeo, Joong Baik Kim, Seung Wook Lee, Kyoung Hoon Kim, Jeong Ig Song
  • Patent number: 9135845
    Abstract: A display apparatus includes a display panel that displays a second image in a 3D mode, a barrier panel that forms a barrier pattern that separates the second image into a left-eye image and a right-eye image, a touch sensing part that includes third electrodes capacitively coupled to a portion of the electrodes included in the barrier panel, and a coordinate calculator. The coordinate calculator measures a variation of capacitance between the portion of the electrodes included in the barrier panel and the third electrodes.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: September 15, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Ho Lee, Seongmo Hwang, Jaejin Pyun, Yoongu Kim, Sang Min Jeon
  • Patent number: 9128561
    Abstract: A display panel driving apparatus a data driving part which applies a first data signal to a data line corresponding to a first area of the display panel during a first sub frame period of a frame period and applies a second data signal to a data line corresponding to a second area of the display panel during a second sub frame period of the frame period, and a touch driving part which applies a touch driving signal to a touch driving line of the display panel during a first blank period next to the first sub frame period and applies the touch driving signal to the touch driving line during a second blank period next to the second sub frame period and included in the frame period.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il-Ho Lee, Seong-Mo Hwang, In-Cheol Kim, Ji-Hong Park, Moon-Sung Choi, Seung-Ho Nam
  • Publication number: 20150227254
    Abstract: A touch sensor substrate includes a base substrate, a first touch sensor part that is disposed on the base substrate and includes a plurality of sensing circuits configured to sense a touch in an electromagnetic induction mode and a second touch sensor part that is disposed on the base substrate, is electrically insulated to the first touch sensor part, and comprises a plurality of sensing electrodes configured to sense a touch in a self capacitance mode.
    Type: Application
    Filed: July 9, 2014
    Publication date: August 13, 2015
    Inventors: In-Cheol KIM, Il-Ho LEE
  • Patent number: 9092103
    Abstract: A display apparatus includes a display panel that displays an image during a display period and detects a touch event during a non-display period. The display panel includes a plurality of common electrodes and a plurality of data lines capacitively coupled to the common electrodes during the non-display period. Coordinate information of a position at which the touch event occurs is calculated on the basis of a capacitance variation of the common electrodes and the data lines.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moonsung Choi, Incheol Kim, Seongmo Hwang, Jihong Park, Il Ho Lee, Seungho Nam
  • Patent number: 9086761
    Abstract: A display apparatus includes a display panel that displays an image using a first light, a light guide part positioned at a front side of the display panel, a backlight unit, an image information collecting part, and a processing part. The light guide part emits a second light different from the first light and guide the second light, and the backlight unit is positioned at a rear side of the display panel to provide the first light to the display panel. The image information collecting part photographs the light emitted from the light guide part to output image information. The processing part processes the image information to generate a coordinate value of a position at which an object provided on the light guide plate is positioned.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: July 21, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Ho Lee, Hyeonyong Jang, Seongmo Hwang, Jaejin Pyun, Yong-Hwi Kim, Moonjung Baek
  • Patent number: 9058075
    Abstract: The present invention relates to a display device including a touch sensor and a driving method thereof. A display device according to an exemplary embodiment of the present invention includes a plurality of data lines which extends in a first direction, a plurality of sensing output lines which extends in a second direction which is not parallel to the first direction and transmits a sensing output signal, a pixel electrode which is connected with the data line through a switching element, a touch sensor which is connected to the data line and the sensing output line and detects a touch, and a data driver which applies a displaying data voltage to the plurality of data lines during the image display period for one frame and applies a sensing input signal during a touch sensing period for one frame. The touch sensing period is included in a vertical blank period of the frame.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Ho Lee, Seung Ho Nam, Seong Mo Hwang
  • Patent number: 9007536
    Abstract: A liquid crystal display is provided that includes: a first display panel including a thin film transistor and a plurality of pixel electrodes; a second display panel facing the first display panel with a cell gap therebetween; a lower resistive layer disposed on the first display panel; an upper resistive layer disposed on the second display panel; and a sensing spacer connecting the lower resistive layer and the upper resistive layer.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Mo Hwang, Hyeon Yong Jang, Jae Jin Pyun, Il Ho Lee, Moon Jung Baek
  • Publication number: 20150062453
    Abstract: A display device includes: a first substrate; a plurality of pixel electrodes disposed on the first substrate; a common electrode including a plurality of common electrode plates disposed on the first substrate, where the common electrode plates cover the pixel electrodes and are arranged substantially in a matrix form; and a plurality of common electrode line groups which applies a common voltage to the common electrode plates, in which laterally adjacent common electrode plates of the common electrode plates are connected to different common electrode line groups.
    Type: Application
    Filed: July 24, 2014
    Publication date: March 5, 2015
    Inventors: In Cheol KIM, Seung Ho NAM, Yoon Gyu LEE, IL Ho LEE, Hyun-Ju LEE
  • Publication number: 20150042601
    Abstract: A touch screen panel includes a lower substrate, a plurality of sensing wires disposed on the lower substrate in a first direction, an insulating layer disposed on the plurality of sensing wires, and a plurality of sensing pads disposed on the insulating layer, where a plurality of contact holes is defined in the insulating layer, and the plurality of sensing pads is connected to the plurality of sensing wires through the plurality of contact holes, respectively.
    Type: Application
    Filed: December 30, 2013
    Publication date: February 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Il Ho LEE, In Cheol KIM, Seung Ho NAM, Yoon Gyu LEE, Hyun-Ju LEE
  • Patent number: 8949962
    Abstract: A service providing method of a server is provided. The method includes registering a service hub according to a service request; setting a service hub program corresponding to the service hub; receiving a request for the service hub program from a user terminal device belonging to an organization associated with the service hub; providing the service hub program to the user terminal device; and providing an application program corresponding to the user terminal device and the service hub program to the user terminal device.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon-hak Kim, Nam-geol Lee, Il-ho Lee
  • Publication number: 20150009169
    Abstract: The present disclosure relates to a position detecting system. The position detecting system includes a display panel including a plurality of pixels. The position detecting system also includes a data driving unit configured to apply a first data voltage and a second data voltage to the display panel, wherein the first data voltage is associated with display of an image on the display panel during a first frame and the second data voltage is associated with display of patterns on the display panel during a second frame. The position detecting system further includes a position detecting sensor configured to capture an image of the patterns when a position detecting mode of the position detecting sensor is turned on.
    Type: Application
    Filed: October 16, 2013
    Publication date: January 8, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Il Ho LEE, Seung Ho NAM, Hyun-Ju LEE
  • Publication number: 20140347284
    Abstract: The present invention relates to a display device including a touch sensor and a driving method thereof. A display device according to an exemplary embodiment of the present invention includes a plurality of data lines which extends in a first direction, a plurality of sensing output lines which extends in a second direction which is not parallel to the first direction and transmits a sensing output signal, a pixel electrode which is connected with the data line through a switching element, a touch sensor which is connected to the data line and the sensing output line and detects a touch, and a data driver which applies a displaying data voltage to the plurality of data lines during the image display period for one frame and applies a sensing input signal during a touch sensing period for one frame. The touch sensing period is included in a vertical blank period of the frame.
    Type: Application
    Filed: September 17, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Il Ho LEE, Seung Ho NAM, Seong Mo HWANG
  • Patent number: 8898429
    Abstract: An application processor includes a system memory unit, peripheral devices, a control unit and a central processing unit (CPU). The system memory unit includes one page table. The peripheral devices share the page table and perform a DMA (Direct Memory Access) operation on the system memory unit using the page table, where each of the peripheral devices includes a memory management unit having a translation lookaside buffer. The control unit divides a total virtual address space corresponding to the page table into sub virtual address spaces, assigns the sub virtual address spaces to the peripheral devices, respectively, allocates and releases a DMA buffer in the system memory unit, and updates the page table, where at least two of the sub virtual address spaces have different sizes from each other. The CPU controls the peripheral devices and the control unit. The application processor reduces memory consumption.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: November 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyong-Ho Cho, Il-Ho Lee
  • Patent number: 8860694
    Abstract: A light sensing assembly includes a first light guide plate (“LGP”), a light-emitting diode (“LED”) part, an infrared LED part, a second LGP and a first sensor array. The LED part is at a side portion of the first LGP and emits white lights of a displayed image. The infrared LED part emits infrared lights of a detected touch. The second LGP is below the first LGP. The second LGP guides a path of the infrared lights of the detected touch inputted in accordance with a touch operation. The first sensor array is at a side portion of the second LGP and senses the reflected infrared lights which are guided by the second LGP.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Mo Hwang, Moon-Gyu Lee, Hyeon-Yong Jang, Jae-Jin Pyun, Il-Ho Lee, Moon-Jung Baek
  • Publication number: 20140282204
    Abstract: A method and an apparatus for key input by using a random number in a virtual keyboard in a portable terminal are provided. The method includes sending, to a server, a request for random number generation; receiving a random number generated in response to the request; displaying a virtual keyboard that activates keys corresponding to the received random number; and receiving, through the displayed virtual keyboard, an input of keys.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hong-Kyu PARK, Hye-Won Cho, Jung-Hyun Kim, Kyung-Soo Lee, Il-Ho Lee
  • Publication number: 20140189708
    Abstract: The present invention relates to a terminal and a method for executing an application in the same, including the steps of: confirming the weight of the application when a code of the application to be executed is inputted; calculating an allocation index using the confirmed weight; selecting a processing device for executing the application between a central processing unit and a graphics processing unit through the calculated application index; and executing the application through the selected processing device. Accordingly, the present invention determines whether the execution of the application is assigned to the central processing unit or the graphics processing unit according to the weight designated by the user. Thus, the present invention can prevent the tipping effect of the workload only to one processing unit which is caused by an increase in the degree of freedom for the workload distribution.
    Type: Application
    Filed: August 17, 2012
    Publication date: July 3, 2014
    Inventors: Il Ho Lee, Jeong Ig Song, In Choon Yeo, Young Woo Ahn