Patents by Inventor Hee-Seop Kim

Hee-Seop 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: 20090073367
    Abstract: A liquid crystal display having enhanced transmittance in which the pixel electrode includes a micro-slit pattern and overlaps a control electrode on the insulation layer so that an effective voltage difference is formed between the pixel electrode and the control electrode to control the directional characteristics of the liquid crystal molecules.
    Type: Application
    Filed: June 19, 2008
    Publication date: March 19, 2009
    Inventors: Hwa-Sung WOO, Hee-Seop KIM
  • Publication number: 20090066891
    Abstract: A liquid crystal display (“LCD”) having controlled texture and reduced response time includes first and second insulation substrates which are separated from each other and face each other, a liquid crystal layer which is interposed between the first and second insulation substrates and has liquid crystal molecules, a pixel electrode which is disposed on the first insulation substrate and includes a plurality of first linear electrode patterns, a common electrode which is disposed on the first insulation substrate and includes a plurality of second linear electrode patterns separated from the first linear electrode patterns by a predetermined gap, and a texture control portion which is disposed in an area corresponding to the gap and formed on the first or second insulation substrate, wherein the first and second linear electrode patterns are arranged in an alternating fashion.
    Type: Application
    Filed: May 16, 2008
    Publication date: March 12, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hwa-sung WOO, Yong-hwan Shin, Sung-woon Kim, Hee-seop Kim
  • Publication number: 20090066900
    Abstract: A liquid crystal display (LCD) includes a first substrate, a pixel electrode disposed on the first substrate and including a plurality of domain-forming units, a pixel-electrode-insulating film disposed on the pixel electrode, and a director control electrode disposed on the pixel-electrode-insulating film positioned between the plurality of domain-forming units.
    Type: Application
    Filed: May 2, 2008
    Publication date: March 12, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong-Jo PARK, Hee-Seop KIM, JianGang LU
  • Publication number: 20090058784
    Abstract: A display device includes a first substrate, a first electrode comprising first electrode extensions formed on the first substrate, a second electrode comprising second electrode extensions formed on the first substrate and arranged alternately with the first electrode extensions, a second substrate facing the first substrate, liquid crystal molecules interposed between the first substrate and the second substrate, wherein electrode gaps formed between the first electrode extensions and the second electrode extensions comprise first electrode gaps and second electrode gaps, and the first electrode gaps are different from the second electrode gaps, and wherein the liquid crystal molecules are aligned vertically to the first and the second substrate, when the electric field is not formed between the first and the second substrate.
    Type: Application
    Filed: January 8, 2008
    Publication date: March 5, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-hwan SHIN, Sung-woon KIM, Hwa-sung WOO, Hee-seop KIM
  • Publication number: 20090040412
    Abstract: A liquid crystal display includes first and second thin film transistors, a pixel electrode including a first cutout and an inclination direction determining member and connected to the first thin film transistor, a direction controlling electrode connected to the second thin film transistor, a first storage electrode overlapping with the pixel electrode and the direction controlling electrode and applied with a first storage electrode signal having a first voltage, and second storage electrode overlapping with the direction controlling electrode to receive a second storage electrode signal having a second voltage that periodically changes.
    Type: Application
    Filed: April 2, 2008
    Publication date: February 12, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Woo LEE, Hee-Seop KIM, Mee-Hye JUNG, Seung-Hoon LEE, Jiangang LU
  • Publication number: 20090040410
    Abstract: A device and method for improving the uniformity of color and luminance of images displayed in a transmissive region and a reflective region of a liquid crystal display are presented. The phase difference value of light for displaying images in the reflective and transmissive regions is the same with respect to one pixel. The phase difference value of the liquid crystal layer in the reflective region is half of the phase difference value of the liquid crystal layer in the transmissive region, in the range of from 25% to 75%, when considering the exemplary embodiments and path differences of the light. Also, a ?/4 plate having a slow axis forming a predetermined angle with the transmissive axis of the polarizer is formed inside the upper substrate and the lower substrate to display the same images in the reflective region and the transmissive region.
    Type: Application
    Filed: August 6, 2008
    Publication date: February 12, 2009
    Inventors: Hwa-Sung Woo, Sung-Woon Kim, Hee-Seop Kim
  • Publication number: 20090021669
    Abstract: A display apparatus displays an image in a normal driving mode at a low temperature where a response speed of a liquid crystal becomes lower than a critical value, and displays the image in an impulsive driving mode at a higher temperature where the response speed of the liquid crystal becomes higher than the critical value.
    Type: Application
    Filed: February 1, 2008
    Publication date: January 22, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jun-Woo Lee, Seung-Hoon Lee, Hee-Seop Kim, Eun-Hee Han
  • Publication number: 20080309600
    Abstract: A display apparatus includes pixels, a signal controller, a gray-scale voltage generator, and a data driver. The signal controller converts input image signals having a first frame frequency to first and second output image signals having a second frame frequency. The second output image signal is an interpolation between the input image signal for the present frame and an input image signal for a next frame after the present frame. The gray-scale voltage generator outputs a first gray-scale voltage group and a second gray-scale voltage group. The data driver converts the first output image signal to a first data voltage based on the first gray-scale voltage group and converts the second output image signal to a second data voltage based on the second gray-scale voltage group, and outputs the first and second data voltages to the pixels in a present frame.
    Type: Application
    Filed: January 11, 2008
    Publication date: December 18, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Woo LEE, Hee-Seop KIM, Hyeok-Jin LEE, Ji-Won SOHN
  • Publication number: 20080303768
    Abstract: In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage.
    Type: Application
    Filed: June 3, 2008
    Publication date: December 11, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Wook DO, Seung-Beom PARK, Hoon KIM, Hye-Ran YOU, Jian Gang LU, Hee-Seop KIM, Young-Chol YANG, Seung-Hoon LEE
  • Publication number: 20080278651
    Abstract: Provided are a liquid crystal display (LCD) and a method of fabricating the LCD. The LCD includes an insulating substrate a gate line disposed on the insulating substrate, a data line insulated from the gate line and crossing the gate line, a thin film transistor connected to the gate line and the data line, a passivation layer disposed on the thin film transistor, a pixel electrode connected to the thin film transistor and partitioned into a plurality of domains by a plurality of first slits, a control electrode disposed on the passivation layer and at least partially overlapping each first slit, and a plurality of domain forming members arranged parallel to the first slits in an alternating fashion and partitioning the pixel electrode into a plurality of domains.
    Type: Application
    Filed: March 10, 2008
    Publication date: November 13, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Woo LEE, Hee-Seop KIM, LuJian GANG, Seung-Hoon LEE, Hwa-Sung WOO
  • Publication number: 20080273134
    Abstract: A display device includes a first substrate, a second substrate facing the first substrate, first to third electrodes formed on the first substrate, and a fourth electrode formed on the second substrate, wherein the first and second substrates include a main display region and an assistance display region, wherein the first and second electrodes form a horizontal electric field that is substantially parallel to the surfaces of the first and the second insulating substrates, and the third and fourth electrodes form a vertical electric field that is substantially perpendicular to the surfaces of the first and second substrates.
    Type: Application
    Filed: February 7, 2008
    Publication date: November 6, 2008
    Inventors: Sung-Woon KIM, Se-Hwan Yu, Sung-Tae Shin, Hee-Seop Kim
  • Publication number: 20080246713
    Abstract: A display apparatus includes a display panel that includes a plurality of pixels and a panel driver. The panel driver receives original image signals corresponding to successive frames which are displayed in a predetermined number within a predetermined period of time, forms an interpolation image signal on the basis of original image signals corresponding to two successive frames, and forms a non-image signal, and applies the original image signal, the interpolation image signal, and the non-image signal to the respective pixels during a display period.
    Type: Application
    Filed: October 31, 2007
    Publication date: October 9, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Woo LEE, Hee-Seop KIM
  • Publication number: 20080224975
    Abstract: A method for driving a display device includes: dividing an entire gray-scale region corresponding to a data gray scale into a first gray-scale region and a second gray-scale region and setting a first gamma value of the first gray-scale region and a second gamma value of the second gray-scale region, the first gamma value being smaller than the second gamma value; providing a first gray-scale display voltage corresponding to the data gray scale to a display panel during a first section of one horizontal period by using the first gamma value or the second gamma value selected by an inputted data gray scale; and providing a second gray-scale display voltage corresponding to a black gray scale to the display panel during a second section of the one horizontal period.
    Type: Application
    Filed: March 12, 2008
    Publication date: September 18, 2008
    Inventors: Seung-Hoon Lee, Jun-Woo Lee, Hee-Seop Kim, Eun-Hee Han, Hong-Jo Park, Sung-Jae Yun
  • Publication number: 20080218463
    Abstract: A display device and a method for driving the same are disclosed. The display device driving method includes applying a first gray scale display voltage according to a first gamma curve to a liquid crystal layer during a first sub-frame period and applying a second gray scale display voltage according to a second gamma curve to the liquid crystal layer during a second sub-frame period. The first and second gamma curves are discontinuous at one or more gray scale values among all gray scale regions.
    Type: Application
    Filed: February 15, 2008
    Publication date: September 11, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Woo LEE, Hee-Seop KIM, Hong-Jo PARK, Eun-Hee HAN, Seung-Hoon LEE, Sung-Jae YUN
  • Publication number: 20080180623
    Abstract: A liquid crystal display (LCD) device includes a lower substrate including a gate line, a data line, and a thin film transistor, a pixel electrode formed on the lower substrate and including a plurality of first rod-shaped electrodes spaced apart from one another at substantially regular intervals, an upper substrate disposed opposite the lower substrate, a common electrode formed on the upper substrate and including a plurality of second rod-shaped electrodes arranged alternately with the first rod-shaped electrodes at substantially same intervals as the first rod-shaped electrodes, and a liquid crystal disposed between the lower substrate and the upper substrate, wherein a width of each of the first and second rod-shaped electrodes is about 4 ?m to about 6 ?m and the arrangement interval thereof is about 11.5 ?m to about 13.5 ?m.
    Type: Application
    Filed: January 28, 2008
    Publication date: July 31, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok-Jin Lee, Hee-Seop Kim, Jun-Woo Lee, LuJian Gang, Hwa-Sung Woo
  • Publication number: 20080180590
    Abstract: A liquid crystal display (LCD) panel includes: a first base substrate; a plurality of gate lines and a plurality of data lines disposed on the first base substrate and crossing each other; a pixel electrode pattern disposed on the first base substrate; a storage pattern disposed on the first base substrate, the storage pattern being positioned between consecutive gate lines and substantially in parallel with the gate lines; a second base substrate; a common electrode disposed on the second base substrate and alternately positioned with the pixel electrode; and a liquid crystal layer disposed between the first and second base substrates.
    Type: Application
    Filed: January 29, 2008
    Publication date: July 31, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok-Jin Lee, Hee-Seop Kim, Byoung-Sun Na, LuJian Gang, Hwa-Sung Woo, Ji-Hyun Kwon
  • Publication number: 20080129673
    Abstract: Disclosed are a display device and a method of driving the same that improve both moving image visibility and lateral visibility. A display panel including gate and data lines arranged in the form of a matrix for displaying an image, a gate driver for driving the gate line, and a data driver for supplying a low gray scale image signal, a high gray scale image signal, and a black impulsive signal to the data line within one frame period.
    Type: Application
    Filed: December 4, 2007
    Publication date: June 5, 2008
    Inventors: Hee-Seop KIM, Jun-Woo Lee, Hong-Jo Park, Eun-Hee Han, Seung-Hoon Lee, Sung-Jae Yun
  • Publication number: 20080122874
    Abstract: In a display apparatus and a method of driving the same, an active period during which one pixel is turned on is divided into a red sub frame, a green sub frame, a blue sub frame, and a white sub frame. A controller compares a gray scale of a fourth image data corresponding to the white sub frame with a reference gray scale and compensates a first image data, a second image data, and a third image data corresponding to the red, green, and blue sub frames, respectively, in accordance with the comparison result.
    Type: Application
    Filed: October 30, 2007
    Publication date: May 29, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Hee HAN, Hee-Seop KIM, Chang-Hun LEE, Jun-Woo LEE
  • Publication number: 20080122775
    Abstract: In a display apparatus, a common electrode receives a common voltage of which a voltage level is inverted at every H/2 period of 1H period during which pixels connected to one row are turned on. A first switching device outputs a first data voltage having a voltage level different from the common voltage during an earlier H/2 period, and a second switching device outputs a second data voltage having a polarity different from the first data voltage during a later H/2 period. First and second pixel electrodes receive the first and second data voltages from the first and second switching devices, respectively. Thus, a liquid crystal voltage applied to a liquid crystal layer increases, thereby improving a response speed of a liquid crystal and reducing a power consumption of the display apparatus.
    Type: Application
    Filed: October 30, 2007
    Publication date: May 29, 2008
    Inventors: Sang-Il Kim, Seong-Sik Shin, Hee-Seop Kim, Young-Chol Yang
  • Patent number: 7345730
    Abstract: A liquid crystal display (LCD) with a direction control electrode and a pixel electrode forming a capacitance in a pixel regions is disclosed. Gate lines are formed on the first substrate and extending in the first direction. Data lines are intersecting the gate lines and each data line has a bent shape. Pixel regions are defined by the intersecting of the gate lines and the data lines. The direction control electrode is formed at the corresponding pixel region and electrically connected to the corresponding data line. The pixel electrode is formed at the corresponding pixel region and has a shape conformal to the corresponding pixel region. By adjusting the capacitance between the direction control electrode and the pixel electrode, liquid crystal stability is enhanced.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: March 18, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-Seop Kim, Doo-Hwan You