Patents by Inventor Sang-Jo Lee

Sang-Jo 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: 20140326807
    Abstract: An apparatus that dispenses a fluid onto a substrate includes a nozzle located in a position relative to the substrate to dispense the fluid onto the substrate and a blocking plate selectively disposed between the substrate and the nozzle
    Type: Application
    Filed: April 23, 2014
    Publication date: November 6, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sang-Jo LEE, Sung-Hwan CHO
  • Publication number: 20140312328
    Abstract: A method of manufacturing a transparent flexible display device includes forming a protection layer on a first surface of a transparent substrate, forming a transparent polymer layer on the protection layer, forming an amorphous silicon pattern on the transparent polymer layer, irradiating a first laser on the amorphous silicon pattern to dehydrogenate the amorphous silicon pattern, irradiating a second laser on the dehydrogenated amorphous silicon pattern to form a polycrystalline silicon pattern, forming a metal pattern on the polycrystalline silicon pattern, forming a display element electrically connected to the metal pattern, and irradiating a third laser on a second surface of the transparent substrate to separate the transparent polymer layer from the protection layer.
    Type: Application
    Filed: March 18, 2014
    Publication date: October 23, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Young-Sik Yoon, Sang-Jo Lee
  • Publication number: 20140185929
    Abstract: A system, medium, and method compressing and/or restoring images. Such a data compression method may include selecting a mode from among a plurality of modes for compressing current data, according to predetermined criteria, and calculating a difference between the current data and reference data, according to the selected mode, and compressing the current data, or truncating a part of the current data and compressing the current data. Accordingly, it is possible to significantly lower the complexity of an image encoder/decoder system and exactly meet a picture-based CBR required by LCD DCC devices/systems.
    Type: Application
    Filed: March 5, 2014
    Publication date: July 3, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-jo LEE, Si-hwa LEE, Do-hyung KIM
  • Publication number: 20140146873
    Abstract: A method and apparatus for applying a tile size adaptively based on a size of a coding unit. An image processing apparatus may detect a size of a largest coding unit (LCU) used in encoding of a video from a header of a bitstream, may determine a tile size adaptively based on the detected size of the LCU, and may decode the bitstream in units of the LCU based on the determined tile size.
    Type: Application
    Filed: September 6, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Jo LEE, Do Hyung KIM, Joon Ho SONG, Shi Hwa LEE
  • Patent number: 8718391
    Abstract: An image encoding system and method for performing random access may be provided. The image encoding system may perform intra prediction based on a processing unit, and code a pixel using a result of the intra prediction. Also, the image encoding system may generate a bitstream with respect to an input image using a Fixed Length Code (FLC). Coding may be performed based on the processing unit, and thus random access may be performed based on the processing unit.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: May 6, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Jo Lee, Shi Hwa Lee, Do-Hyung Kim
  • Patent number: 8705635
    Abstract: A system, medium, and method compressing and/or restoring images. Such a data compression method may include selecting a mode from among a plurality of modes for compressing current data, according to predetermined criteria, and calculating a difference between the current data and reference data, according to the selected mode, and compressing the current data, or truncating a part of the current data and compressing the current data. Accordingly, it is possible to significantly lower the complexity of an image encoder/decoder system and exactly meet a picture-based CBR required by LCD DCC devices/systems.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: April 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-jo Lee, Si-hwa Lee, Do-hyung Kim
  • Patent number: 8675732
    Abstract: A method and an apparatus of compressing image data are provided. The method of compressing data comprises calculating differences between values of predetermined pixels from among pixels constructing an image and values of reference pixels respectively corresponding to the predetermined pixels; ordering bits, which correspond to bit strings of the differences, into bit planes; and coding the bit planes according to priority of the bit planes.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Si-hwa Lee, Sang-jo Lee
  • Patent number: 8673674
    Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same is provided. Semiconductor layers of driving transistors located in two adjacent pixels included in the OLED display device may extend in different lengthwise directions. Thus, striped stains of the OLED display device can be improved.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: March 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong-Ro Lee, Sang-Jo Lee
  • Publication number: 20140038330
    Abstract: Provided are a device for forming a thin layer that may be applied to mass production and a method of manufacturing a display using the same. The device for forming a thin layer includes a vessel that has a material for forming a thin layer, a multi-nozzle part that is on a substrate and that is connected to the vessel to receive the material for forming the thin layer, which multi-nozzle part includes a plurality of nozzles arranged in parallel at a distance from each other, and a pulse generator that applies a switching voltage to one of the substrate and the multi-nozzle part such that an instantaneous potential difference between at least one of the plurality of nozzles and the substrate is provided, and such that a discharge of the material for forming the thin layer is controlled.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Inventors: Sang-Jo LEE, Sung-Hwan CHO
  • Publication number: 20140008463
    Abstract: A printing device includes a solution tank, a nozzle unit including a distribution path and a plurality of nozzles connected with the distribution path the nozzle unit being connected with the solution tank through a first pipe; a gas supply connected with the nozzle unit through a second pipe; and a discharge unit connected with the nozzle unit through a third pipe, wherein the distribution path includes first portions and second portions that respectively have different widths.
    Type: Application
    Filed: June 12, 2013
    Publication date: January 9, 2014
    Inventors: Sung-Hwan Cho, Sang-Jo Lee
  • Patent number: 8619859
    Abstract: Provided are a motion estimation apparatus and method and an image encoding apparatus and method employing the same. The motion estimation apparatus includes an optimal motion estimation unit performing motion estimation in an initial block mode while skipping remaining block modes excluding the initial block mode from a plurality of block modes of the current block, or performing motion estimation in candidate block modes determined from the plurality of block modes.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: December 31, 2013
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Sang-jo Lee, Ho-jin Lee, Do-hyung Kim
  • Publication number: 20130322749
    Abstract: A method of compressing a 2×2 block based binary image is provided. The method includes: determining whether pixels included in a block are included in existing patterns; generating the number N of the pixels included in the existing patterns (N is a natural number); when N is more than a predetermined value, compressing the block with a binary bit stream comprising information about patterns of the pixels included in the existing patterns and color information about the pixels having a new pattern. The method of compressing a 2×2 block based binary image reduces information damage which may occur during compression and restoration of the binary pattern so that the difference in picture quality between an original image and the restored image can be visibly improved.
    Type: Application
    Filed: August 7, 2013
    Publication date: December 5, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-hoon Ha, Sang-jo Lee
  • Publication number: 20130316474
    Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same is provided. Semiconductor layers of driving transistors located in two adjacent pixels included in the OLED display device may extend in different lengthwise directions. Thus, striped stains of the OLED display device can be improved.
    Type: Application
    Filed: August 5, 2013
    Publication date: November 28, 2013
    Inventors: Hong-Ro Lee, Sang-Jo Lee
  • Publication number: 20130286131
    Abstract: A printing apparatus includes: a nozzle head including a nozzle head main body and a plurality of linear nozzle units for spraying a printing material, the linear nozzle units on one side of the nozzle head main body and elongated in parallel in a first direction; and a nozzle head driver connected to the nozzle head main body and configured to move the nozzle head in a second direction crossing the first direction. In such a printing apparatus, a dry spot due to a printing time difference may be reduced or prevented, a uniform printing pattern may be formed, printing quality may be improved, and defective products may be reduced. In addition, the effective spacing between separate spray nozzles may be reduced or minimized.
    Type: Application
    Filed: January 17, 2013
    Publication date: October 31, 2013
    Applicant: SAMSUNG DISPLAY CO. LTD.
    Inventors: Sung-Hwan Cho, Sang-Jo Lee
  • Publication number: 20130285538
    Abstract: An organic light emitting display device and a method of manufacturing the same are provided. The organic light emitting display device includes: a substrate including a display portion displaying an image as a plurality of sub-pixels that are arranged, and a non-display portion extending at an edge of the display portion; and a sealant formed along a periphery of the display portion, wherein an organic film having an emissive layer is formed on the plurality of sub-pixels, and an emissive layer storage unit storing an emissive layer coated on the non-display portion is formed between the display portion and the sealant. By forming the emissive layer storage unit by removing at least a part of a pixel defining layer on an edge of the substrate, a raw material of the emissive layer coated on the non-display portion on the substrate is easily processed via the emissive layer storage unit.
    Type: Application
    Filed: October 2, 2012
    Publication date: October 31, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Hwan Cho, Kyong-Tae Park, Sang-Jo Lee
  • Patent number: 8526749
    Abstract: A method, medium, and apparatus encoding and/or decoding an image according to human psycho-visual characteristics. According to a method, medium, and apparatus, error values corresponding to a range in which error values can be recognized because of the human psycho-visual characteristic are selectively encoded.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: September 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-jo Lee, Si-hwa Lee
  • Patent number: 8515166
    Abstract: A method of compressing a 2×2 block based binary image is provided. The method includes: determining whether pixels included in a block are included in existing patterns; generating the number N of the pixels included in the existing patterns (N is a natural number); when N is more than a predetermined value, compressing the block with a binary bit stream comprising information about patterns of the pixels included in the existing patterns and color information about the pixels having a new pattern. The method of compressing a 2×2 block based binary image reduces information damage which may occur during compression and restoration of the binary pattern so that the difference in picture quality between an original image and the restored image can be visibly improved.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: August 20, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-hoon Ha, Sang-jo Lee
  • Patent number: 8502809
    Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same is provided. Semiconductor layers of driving transistors located in two adjacent pixels included in the OLED display device may extend in different lengthwise directions. Thus, striped stains of the OLED display device can be improved.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong-Ro Lee, Sang-Jo Lee
  • Patent number: 8447104
    Abstract: A method, medium, and system compressing an image, and a method, medium, and system recovering an image. Values of colors of a pixel from among pixels making up an image are predicted from values of colors of a reference pixel corresponding to the pixel, and the predicted values of the colors of the pixel are corrected based on similarities in variations in color values in the image.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: May 21, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-jo Lee, Si-hwa Lee
  • Patent number: 8395678
    Abstract: A color reproduction apparatus may include a white balance performing unit to perform white balance with respect to an image obtained from a sensor using a white balance gain, an image restoring unit to restore an RGB image from the white-balanced image by interpolating a color filter array image, a first color corrector to correct a color distortion caused by a light source by applying first correction data, and a second color corrector to correct a color distortion caused by a characteristic of a sensor by applying second correction data.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: March 12, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jin Lee, Young Su Moon, Sang Jo Lee