Patents by Inventor Hong Seok Lee

Hong Seok 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: 20120044443
    Abstract: A display apparatus includes a light guide plate to emit light that enters through a side surface of the light guide plate through an upper surface of the light guide plate, a light source arranged on at least one side of the light guide plate, a reflection plate arranged under the light guide plate, a color filter layer arranged above the light guide plate, and an optical shutter arranged above the color filter layer to transmit or block at least a part of light according to electric control, wherein the color filter layer includes a transmission type color filter to transmit light in a particular wavelength band and reflect light in other wavelength bands.
    Type: Application
    Filed: January 28, 2011
    Publication date: February 23, 2012
    Inventors: Moon-gyu HAN, Hong-seok Lee, Chang-gyun Shin
  • Publication number: 20120019908
    Abstract: An apparatus for displaying a 3-dimensional (3D) image, which is capable of providing a super multi-view, is provided. The apparatus includes: at least one image projector for projecting light including an image; an active optical element for adjusting a path of at least one light within a range of a predetermined angle; and a relay optical system for transmitting the at least one light to a pupil of a viewer. The apparatus provides a plurality of images in different views to the pupil using a time division method, by using the active optical element for adjusting the path of the at least one light.
    Type: Application
    Filed: March 11, 2011
    Publication date: January 26, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyu-hwan Choi, Yoon-sun Choi, Hong-seok Lee, Hoon Song
  • Publication number: 20120008067
    Abstract: A backlight unit and a display device including the backlight unit are provided. The backlight unit includes at least one light source unit and a light guide plate. The light source unit provides collimated light and controls light such that it is emitted in a plurality of light exit directions.
    Type: Application
    Filed: July 8, 2011
    Publication date: January 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-kweun Mun, Yoon-sun Choi, Hong-seok Lee
  • Publication number: 20110242150
    Abstract: A backlight unit of a three-dimensional (3D) display has a plurality of cells and a 3D image is formed by adjusting directions of light emitted from the cells. The backlight unit includes an emission unit that adjusts an emission direction of light from a cell with respect to other cells. The backlight unit divides view areas to provide left-eye and right-eye images, thereby generating a 3D image.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 6, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoon SONG, Yoon-sun CHOI, Hong-seok LEE, Jung-mok BAE
  • Patent number: 8031321
    Abstract: An LCD device and a method for manufacturing the same is disclosed, in which it is possible to correct a problem of insufficient or excessive supply of liquid crystal in an LCD device by controlling an amount of liquid crystal. The method includes preparing a liquid crystal cell comprised of a first substrate, a second substrate, a liquid crystal layer between the first and second substrates, and a first sealant formed in the periphery of the liquid crystal layer between the first and second substrates; measuring an amount of liquid crystal provided to the inside of liquid crystal cell; forming an inlet for liquid crystal in the first sealant; and regulating the amount of liquid crystal by supplying or discharging the liquid crystal through the inlet; and sealing the inlet.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: October 4, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Bum Soo Kim, Byoung Chul Choi, Byoung-Mok Ha, Chang Bo Shim, Chang-Soo Na, Cheol Joo Moon, Chong Chan Eun, Gu-Yun Bok, Hae Joon Son, Heung-Sun Kim, Hong Seok Lee, Hyung Jin Park, Hyun-Ho Song, In Kyu Lee, Jae Chuon Ryu, Jae Ho Shin, Jae Min Jong, Je Hyun Kim, Jeong-Ho Lee, Jeong-Joon Lee, Jong Won Kim, Jun Beom Cho, Jun Young Yu, Jung Seung Kim, Jung-Deog Yoo, Jung-Sik Kim, Se Joon Baek, Seung-Bum Lee, Seung-Won Moon, Sung-Mo Koo, Tae Man Kim, Young Phil Bang, Myoung Su Yang, Jae Kyun Lee, Hyun-Seok Jang, Jung Il Lee
  • Publication number: 20110235182
    Abstract: Provided are a reflective structure, a display apparatus including the reflective structure, and methods of manufacturing the reflective structure and the display apparatus. The reflective structure may include a reflective layer having a multiple uneven structure. The reflective layer may have a curved surface as a result of a plurality of first uneven portions, and wherein the curved surface may has a plurality of second uneven portions having a scale less than that of the first uneven portions. The plurality of first uneven portions may have a micro-scale size, and the plurality of second uneven portions may have a nano-scale size. The reflective layer may be arranged on a lower structure including a plurality of nanoparticles. A flexible material layer may be formed on the reflective layer.
    Type: Application
    Filed: August 11, 2010
    Publication date: September 29, 2011
    Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Moon Gyu Han, Hong-seok Lee, Jung H. Shin, Kyung Jae Chung
  • Patent number: 7997783
    Abstract: The front light unit includes a light source and a light guide plate that guides light emitted from the light source. The light guide plate includes a rear surface through which the guided light is emitted and a front surface facing the rear surface, and a plurality of prism shape structures which are provided in one unit with the light guide plate and emits light totally reflected from the front surface of the light guide plate. The light guide plate and the prism shape structures are formed of a transparent elastic material.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Song, Hong-seok Lee, Jun-bo Yoon, Joo-hyung Lee
  • Publication number: 20110187764
    Abstract: A 2D/3D switchable backlight unit and an image display device employing the same are provided. The 2D/3D switchable backlight unit includes a light source, a light guide plate in which light emitted from the light source is total-internal-reflected, and a switch array comprising a plurality of switches that selectively contact a first surface of the light guide plate and emit light by frustrated total internal reflection inside the light guide plate. In 2D mode, each of the switches contacts the first surface of the light guide plate. In 3D mode, some of the switches contact the first surface of the light guide plate.
    Type: Application
    Filed: February 4, 2011
    Publication date: August 4, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jung-mok Bae, Hoon Song, Yun-woo Nam, Hong-seok Lee, Mi-jeong Song
  • Publication number: 20110187635
    Abstract: A three-dimensional (3D) image display apparatus that includes a surface-light source device for emitting light in a direction which may be sequentially adjusted, is provided. The 3D image display apparatus includes a display panel for generating images by modulating the light emitted from the surface-light source device according to image information. The 3D image display apparatus also includes a controller for controlling the directivity adjustment of the light from the surface-light source device in a time-sequential manner and the image formation for each visual field of the display panel to be synchronized with each other.
    Type: Application
    Filed: November 3, 2010
    Publication date: August 4, 2011
    Inventors: Hong Seok Lee, Hoon Song, Yong-kweun Mun, Yoon-sun Choi, Hyung-sok Yeo
  • Publication number: 20110180779
    Abstract: A nanostructured thin film used in a surface light source, including a dielectric layer, and nanostructures that are arranged periodically in the dielectric layer, wherein light emitted from the nanostructured thin film has directivity according to the nanostrucures.
    Type: Application
    Filed: November 11, 2010
    Publication date: July 28, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-hoon HAN, Hong-seok Lee, Moon-gyu Han
  • Patent number: 7985533
    Abstract: Provided is an all-in-one type light guide plate including a plurality of prism-shaped structures that are integrally formed on the all-in-one light guide plate and which totally internally reflect light incident from a light source and emit the totally internally reflected light.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: July 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-seok Lee, Eung-yeoul Yoon
  • Publication number: 20110170185
    Abstract: Three-dimensional (3D) glasses and a 3D display apparatus are provided. The 3D display apparatus includes a backlight unit comprising a first light source unit for irradiating a first spectrum of light and a second light source unit for irradiating a second spectrum of light. The apparatus includes a polarization switch for selectively converting the polarization of incident light, and for reducing eye fatigue by providing a plurality of view images to each eye using a pair of glasses that each have a color filter and a birefringent device.
    Type: Application
    Filed: December 30, 2010
    Publication date: July 14, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hoon Song, Yong-kweun Mun, Yoon-sun Choi, Hong-seok Lee, Hyung-sok Yeo
  • Publication number: 20110163066
    Abstract: Provided are methods of manufacturing a surface light source device, the methods include forming a first structure that includes a first substrate and a plurality of glass beads each partially embedded in the first substrate. A second structure is formed that includes a second substrate and an adhesive material layer formed on the second substrate. The first structure and the second structure are adhered to each other in such a way that the glass beads are each partially embedded into the adhesive material layer.
    Type: Application
    Filed: October 27, 2010
    Publication date: July 7, 2011
    Inventors: Yoon-sun Choi, Hong-seok Lee, Myoung-seong Kim
  • Publication number: 20110149202
    Abstract: A light guide plate for displaying a three-dimensional (3D) image, and a 3D image display apparatus employing the same. The light guide plate includes a transparent body formed in a flat panel shape, and for guiding light with total internal reflection in the transparent body; and a plurality of viewing zone separation units aligned inside the transparent body. Light incident on two side surfaces of the light guide plate is separated into different viewing zones by reflective surfaces of the viewing zone separation units.
    Type: Application
    Filed: December 16, 2010
    Publication date: June 23, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung-hee SOHN, Young-hwan Kim, Hong-seok Lee, Hee-kyung Kim
  • Patent number: 7943198
    Abstract: Disclosed herein is an apparatus and method for forming a seal pattern of a flat panel display device. An apparatus for forming a seal pattern of a flat panel display panel includes a mother substrate having a plurality of unit display panels formed thereon; a stage to support the mother substrate; a mask on the mother substrate, the mask having openings, each opening being formed on a region corresponding to an outer periphery of each unit display panel; and a pattern forming unit including a seal head to apply a sealant to the mask to form the seal pattern around the outer periphery of each unit display panel of the mother substrate.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: May 17, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Hong Seok Lee
  • Publication number: 20110109528
    Abstract: A wearable display adopting a diffractive optical system includes a light source unit to emit light of a plurality of colors having wavelength bands which do not overlap each other; a light guide plate including a light guide portion to guide light incident from the light source unit by reflection, and a plurality of light output portions protruding from a surface of the light guide portion to output the light incident from the light source via a specular reflection as a surface light source. The light incident on a panel type optical modulation device from the light guide plate is modulated according to input image signals. The light emitted from the panel type optical modulation device is diffracted by a first diffractive device to be coupled to the waveguide and propagated by the waveguide. The light transferred through the waveguide is focused by an imaging device to form an enlarged image.
    Type: Application
    Filed: November 9, 2010
    Publication date: May 12, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-kweun MUN, Hong-seok Lee
  • Publication number: 20110108779
    Abstract: Provided is a method of manufacturing a reflective color filter. According to the method, the reflective color filter may reflect light having a desired wavelength by controlling the distance between colloidal particles. The method of manufacturing a reflective color filter may include forming colloidal particles having a charged surface, forming colloidal crystals by controlling distances between the colloidal particles, and forming a photonic crystal composite by fixing the colloidal crystals having the colloidal particles.
    Type: Application
    Filed: October 7, 2010
    Publication date: May 12, 2011
    Inventors: Moon Gyu Han, Yong-wan Jin, Hong-seok Lee
  • Patent number: 7929080
    Abstract: Provided are a method of adjusting a photonic bandgap of a photonic crystal, a method of manufacturing a reflective color filter using the same, and a display device including the reflective color filter. The method of adjusting a photonic bandgap of a photonic crystal includes forming the photonic crystal having a photonic bandgap on a substrate, and changing the photonic bandgap by irradiating light onto the photonic crystal. In addition, the display device includes a backlight, a transflective liquid crystal panel including liquid crystal cells sealed between first and second substrates. Each liquid crystal cell corresponding to a pixel includes a transmissive area and a reflective area. A transmissive color filter is formed on the first substrate, which faces the backlight, and a reflective color filter is formed on each reflective area.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: April 19, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-seok Lee, Byoung-ho Cheong, Jin-hwan Kim, Jae-ho You
  • Patent number: 7924485
    Abstract: A holographic light guide plate has a transparent substrate and a plurality of diffraction patterns formed thereon. The diffraction patterns are arranged on one of a top surface and a bottom surface of the transparent substrate. The diffraction patterns diffract light incident on the transparent substrate. Each of the diffraction patterns has a continuously varying interval.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: April 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-ryong Park, Seok-ho Song, Hong-seok Lee
  • Publication number: 20110069039
    Abstract: A multi-touch sensing display apparatus is provided. The multi-touch sensing display apparatus may include a back light unit, a display panel, a sensor unit on a display surface of the display panel, and a touch light source unit providing light to be diffused by a touch of a user so that the sensor unit senses the touch of the user. The touch light source unit may include a touch light source and a transparent light guide plate. The transparent light guide plate may include a light guiding unit and a plurality of light emitting units integrally formed with each other as a single body, wherein the light guiding unit guides light from the touch light source to an inside thereof, and the plurality of light emitting units protrudes from the light guiding unit and emits light from the light guiding unit.
    Type: Application
    Filed: April 27, 2010
    Publication date: March 24, 2011
    Inventors: Hong-seok Lee, Yong-kweun Mun, Jung-woo Kim