Patents by Inventor Su Chang An

Su Chang An 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).

  • Optical wavelength converter and illumination system with same
    Patent number: 10156729
    Abstract: An optical wavelength converter includes a first substrate, a first wavelength conversion material, and a second substrate. The first substrate has at least one first segment. The first wavelength conversion material is contained in the first segment for converting a first waveband light into a second waveband light. The second waveband light is reflected by the first segment. The second substrate is arranged beside the first substrate, and has at least one second segment. The first waveband light is transmitted through the second segment.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: December 18, 2018
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Keh-Su Chang, Yen-I Chou, Chi Chen, Meng-Han Liu, Jau-Shiu Chen
  • TOUCH DISPLAY DEVICE AND TOUCH DISPLAY PANEL
    Publication number: 20180348930
    Abstract: A touch display device and a touch display panel are provided. The touch display panel includes a bend area adjacent to the periphery of the touch display panel, and touch lines disposed in the bend area have zigzag shapes that extend at angles with respect to a bend axis about which the bend area is bent. A first dielectric layer includes a compensation pattern that is located in the bend area and includes an opening that extends in a direction parallel to the bend axis. A second dielectric layer protrudes into the opening of the compensation pattern in a depth direction. During bending of the bend area, this configuration disperses force applied to portions of the touch lines and the dielectric layers in the bend area. This can consequently prevent both cracking due to bending and moisture permeation due to cracks.
    Type: Application
    Filed: November 8, 2017
    Publication date: December 6, 2018
    Inventors: Yangsik LEE, JiHyun JUNG, DeukSu LEE, JaeGyun LEE, Ruda RHE, Jeonghoon LEE, Su Chang AN
  • MEMORY SYSTEM AND OPERATION METHOD THEREOF
    Publication number: 20180341576
    Abstract: A memory system may include: a memory device; and a controller. When at least one data group is received, the data group including a plurality of data which is required to be collectively processed, the controller reads preceding logical-to-physical (L2P) map information for the data group from a first table and stores the read L2P map information in a second table before reception of the plurality of the data of the data group is committed, and the controller stores the plurality of the data in the memory device, and the controller updates the L2P map information for the data group that is stored in the first table in response to the storing of the plurality of the data in the memory device.
    Type: Application
    Filed: November 20, 2017
    Publication date: November 29, 2018
    Inventors: Hae-Gi CHOI, Kyeong-Rho KIM, Dong-Hyun CHO, Su-Chang KIM
  • Method of manufacturing case frame and electronic device having it
    Patent number: 10133309
    Abstract: A method of manufacturing a case frame is provided. The method includes forming a mold for forming an ultraviolet molding pattern layer, laminating a hard coating layer on a transfer resin film, laminating an ultraviolet molding pattern layer on the hard coating layer, laminating a deposition layer on the ultraviolet molding pattern layer, laminating a printing layer on the deposition layer, and performing transfer IMD on an injection product using a transfer resin film, on which the printing layer, the deposition layer, the ultraviolet molding pattern layer, and the hard coating layer are successively laminated.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: November 20, 2018
    Assignee: Samsung Electonics Co., Ltd
    Inventor: Min-Su Chang
  • FLUORESCENT COLOR WHEEL AND PROJECTOR
    Publication number: 20180321574
    Abstract: A fluorescent color wheel includes a substrate, a working fluid, and a fluorescent powder layer. The substrate has at least one flow channel therein. The flow channel has a first end and a second end respectively adjacent to a central region and a peripheral region of the substrate. The working fluid flows in the flow channel in a gas-liquid coexistence state. The fluorescent powder layer is disposed on the substrate and located at the peripheral region. The disclosure further discloses a projector adopting the fluorescent color wheel.
    Type: Application
    Filed: September 1, 2017
    Publication date: November 8, 2018
    Inventors: Keh-Su CHANG, Yen-I CHOU, Chi CHEN
  • Fluorescent color wheel and projector
    Patent number: 10120272
    Abstract: A fluorescent color wheel includes a substrate, a working fluid, and a fluorescent powder layer. The substrate has at least one flow channel therein. The flow channel has a first end and a second end respectively adjacent to a central region and a peripheral region of the substrate. The working fluid flows in the flow channel in a gas-liquid coexistence state. The fluorescent powder layer is disposed on the substrate and located at the peripheral region. The disclosure further discloses a projector adopting the fluorescent color wheel.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: November 6, 2018
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Keh-Su Chang, Yen-I Chou, Chi Chen
  • ELECTRODE LEAD FOR A SECONDARY BATTERY, A POUCH TYPE SECONDARY BATTERY AND A BATTERY MODULE COMPRISING THE SAME
    Publication number: 20180315979
    Abstract: Provided is an electrode lead for a secondary battery that is less susceptible to cracks and has improved insulation, and a pouch type secondary battery and a battery module comprising the same. The electrode lead for a secondary battery according to the present disclosure is an electrode lead electrically connected to an electrode assembly, and the electrode lead includes a flat metal conductor and a coverlay type insulating film having an exposed shape at an electrically connected part of the metal conductor.
    Type: Application
    Filed: April 4, 2018
    Publication date: November 1, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Jeong-O Mun, Dal-Mo Kang, Su-Chang Kim, Ji-Su Yoon
  • Nonvolatile memory device
    Patent number: 10102909
    Abstract: A nonvolatile memory device includes a cell string having a plurality of memory cells connected to one bit line. A page buffer is connected to the bit line via a sensing node and connected to the cell string via the bit line. The page buffer includes a first latch for storing bit line setup information and a second latch for storing forcing information. The first latch is configured to output the bit line setup information to the sensing node, and the second latch is configured to output the forcing information to the sensing node independently of the first latch.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: October 16, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Won Park, Su-Chang Jeon, Dong-Kyo Shim
  • PHOTOCURING THREE-DIMENSIONAL MOLDING SYSTEM AND VAT HEATING DEVICE
    Publication number: 20180272606
    Abstract: A vat heating device is provided, including a vat and a heater. The vat has a bottom plate. The vat is used to accommodate a photosensitive resin. The heater is disposed on the bottom plate, adjacent to the photosensitive resin. The heater is used to heat the photosensitive resin. The heater is on an optical path of a light source for curing the photosensitive resin. A photocuring three-dimensional molding system containing the above vat heating device is also provided.
    Type: Application
    Filed: March 19, 2018
    Publication date: September 27, 2018
    Inventors: Keh-Su CHANG, Yen-I CHOU, Jau-Shiu CHEN, Sheng-Kai HSIAO, Wei-Chih HSIAO, Chun-Fang HSU
  • WAVELENGTH CONVERSION DEVICE
    Publication number: 20180252843
    Abstract: A wavelength conversion device includes a substrate, a wavelength conversion member, and an anti-reflective structure. The wavelength conversion member is disposed on the substrate. The anti-reflective structure includes a plurality of stacking layers sequentially stacked from the wavelength conversion member. Each of the stacking layers is formed by arranging a plurality of nano particles. Porosities of the stacking layers are gradually increased from a first side of the anti-reflective structure facing towards the wavelength conversion member to a second side of the anti-reflective structure facing away from the wavelength conversion member.
    Type: Application
    Filed: November 13, 2017
    Publication date: September 6, 2018
    Inventors: Po-Tsun KUO, Chi CHEN, Chun-Hsien LU, Yen-I CHOU, Keh-Su CHANG
  • LASER LIGHT SOURCE FOR PROJECTOR AND LASER PROJECTION DEVICE
    Publication number: 20180231879
    Abstract: A laser light source for projector includes a laser light source module, first and second light receiving modules, a phosphor wheel, and a light combining module. The phosphor wheel has a first and a second side. The phosphor wheel receives the laser and converts the laser into first and second fluorescent light. The phosphor wheel receives the laser at a first side and emits the first fluorescent light. The phosphor wheel emits the second fluorescent light at a second side. After the first fluorescent light and the second fluorescent light passes through the first and second light receiving modules, at least one of the directions of optical axes of the first and second fluorescent light is changed. The light combining module receives the first and second fluorescent lights and emits a combined light.
    Type: Application
    Filed: December 26, 2017
    Publication date: August 16, 2018
    Inventors: Keh-Su Chang, Chun-Hsien Lu, Yen-I Chou, Chi Chen, Po-Tsun Kuo
  • NONVOLATILE MEMORY DEVICE
    Publication number: 20180226128
    Abstract: A nonvolatile memory device including a memory cell array having a plurality of planes; a plurality of page buffers arranged corresponding to each of the plurality of planes; and a control logic circuit configured to transmit a bit line setup signal to each of the plurality of page buffers. Each of the plurality of page buffers includes a precharge circuit configured to precharge a sensing node and a bit line in response to the bit line setup signal, and a shutoff circuit configured to perform a bit line shutoff operation in response to a bit line shutoff signal. The control logic circuit is configured to control a transition time when a level of the bit line setup signal is changed according to a gradient of the bit line shutoff signal which is changed from a first level to a second level.
    Type: Application
    Filed: September 28, 2017
    Publication date: August 9, 2018
    Inventors: JUNE-HONG PARK, KI-WHAN SONG, BONG-SOON LIM, SU-CHANG JEON, JIN-YOUNG KIM, CHANG-YEON YU, DONG-KYO SHIM, SEONG-JIN KIM
  • NON-VOLATILE MEMORY DEVICES AND METHODS OF PROGRAMMING THE SAME
    Publication number: 20180211705
    Abstract: Methods of programming a non-volatile memory device including N string selection lines, a word line, first and second bit line groups are provided. The method may include sequentially programming first memory cells that are connected to the word line and at least one bit line included in the first bit line group by sequentially selecting the N string selection lines in response to sequentially applied first to N-th addresses, and then sequentially programming second memory cells that are connected to the word line and at least one bit line included in the second bit line group by sequentially selecting one of the N string selection lines in response to sequentially applied N+1-th to 2N-th addresses.
    Type: Application
    Filed: October 25, 2017
    Publication date: July 26, 2018
    Inventors: Dong-kyo Shim, Sang-won Park, Su-chang Jeon
  • Display device
    Patent number: 9989793
    Abstract: A display device includes: a display panel having a display area and a non-display area; a light source configured to supply light to the display panel; a bottom chassis on which the light source is disposed; a top chassis coupled to the bottom chassis and not covering an edge portion of the display panel; and a mold unit coupled to the top chassis and covering the edge portion of the display panel, wherein the mold unit may be transparent.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Jin Kim, Jae Suk Yoo, Su Chang Ryu
  • NONVOLATILE MEMORY DEVICE
    Publication number: 20180144800
    Abstract: A nonvolatile memory device includes a cell string having a plurality of memory cells connected to one bit line. A page buffer is connected to the bit line via a sensing node and connected to the cell string via the bit line. The page buffer includes a first latch for storing bit line setup information and a second latch for storing forcing information. The first latch is configured to output the bit line setup information to the sensing node, and the second latch is configured to output the forcing information to the sensing node independently of the first latch.
    Type: Application
    Filed: April 11, 2017
    Publication date: May 24, 2018
    Inventors: SANG-WON PARK, SU-CHANG JEON, DONG-KYO SHIM
  • Color wheel rotation speed detecting module
    Patent number: 9976879
    Abstract: A color wheel rotation speed detecting module is disclosed and includes a color wheel, a motor, a rotation speed detector and a processor. The color wheel includes a first segment and at least one second segment. The motor drives the color wheel to rotate. The rotation speed detector includes an emitter and a receiver. The emitter outputs a light signal to the first segment or the second segment of the color wheel when the color wheel is rotated. When the receiver receives the light signal reflected from the second segment, the receiver outputs a detecting signal correspondingly. When the light signal passes through the first segment and the receiver fails to receive the light signal, the receiver interrupts the output of the detecting signal. The processor receives the detecting signal from the receiver, and obtains the rotating speed of the color wheel according to the detecting signal varied with time.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: May 22, 2018
    Assignee: Delta Electronics, Inc.
    Inventors: Meng-Sheng Chang, Keh-Su Chang, Hui-Hsiung Wang, Ching-Chao Chen
  • WAVELENGTH CONVERTER
    Publication number: 20180136457
    Abstract: A wavelength converter includes a substrate, a phosphor layer, a light transmission member, and a centroid adjustment member. The substrate is configured to be sleeved onto a drive shaft of a motor and has a hollow hole located within an outer edge of the substrate. The phosphor layer is disposed on the substrate and adjoins, the hollow hole. The light transmission member is embedded in the hollow hole. The centroid adjustment member is disposed on the substrate and located outside an outer edge of the phosphor layer and an outer edge of the light transmission ember An equivalent centroid of a combination of the substrate, the phosphor layer, the light transmission member, and the centroid adjustment member is substantially located on the axis of the drive shaft.
    Type: Application
    Filed: March 14, 2017
    Publication date: May 17, 2018
    Inventors: Keh-Su CHANG, Chun-Hsien LU, Yen-I CHOU, Chi CHEN
  • PHOTOGRAPH GENERATION APPARATUS THAT CONTROLS LIGHT SOURCE AND CORRECTS PHOTOGRAPH
    Publication number: 20180131854
    Abstract: A photograph generation apparatus that controls a light source and corrects a picture using an illuminance sensor and a transparent liquid crystal, the photograph generation apparatus includes: a camera part configured to take a photographed picture of a user using the photograph generation apparatus; a lighting part configured to provide lighting for an object to be photographed using the photograph generation apparatus; an illuminance sensor part configured to measure an illuminance within a predetermined range of the photograph generation apparatus to use the measured illuminance in controlling the lighting of the lighting part; and a transparent liquid crystal panel mounted at a front surface of the camera part and configured to control an amount of a light source radiated to the camera part when the picture is being taken.
    Type: Application
    Filed: December 6, 2017
    Publication date: May 10, 2018
    Applicant: I-AURORA CO., LTD.
    Inventors: Young Su CHANG, Hye Kyung KIM, Hoon KIM, Tae Sung KIM, Hye Young KIM, Han Soo LEE
  • Nonvolatile memory device and operating method thereof
    Patent number: 9947414
    Abstract: An operating method of a nonvolatile memory device is provided. The nonvolatile memory device includes first and second page buffers, and first and second bit lines connected thereto, respectively. First and second latch nodes of the first page buffer are charged to have a voltage having a first level according to data stored in a first latch of the first page buffer. After the charging of the first latch node is started, a sensing node of the second page buffer is pre-charged. The sensing node is connected to the second bit line. Data stored in the first latch is dumped into a second latch of the first page buffer during the pre-charging of the sensing node of the second page buffer.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Ho Song, Minsu Kim, Il Han Park, Su Chang Jeon
  • X-ray generator, X-ray imaging apparatus including the X-ray generator, and method of controlling the X-ray generator
    Patent number: 9936568
    Abstract: An X-ray generator is capable of reducing invalid exposure caused due to wave tails, which do not contribute to the quality of an X-ray image, by preventing the wave tails from being supplied to an X-ray tube. An X-ray imaging apparatus includes the X-ray generator and a method of reducing the invalid exposure is implemented using the X-ray generator. The X-ray generator includes an X-ray tube to generate X-rays, and a high-voltage generator to supply a voltage having a pulse waveform to the X-ray tube. The high-voltage generator includes a high-voltage tank to generate a high voltage, a switch connected to an output terminal of the high-voltage tank and turned on or off, and a resistor located outside the high-voltage tank to receive a wave tail voltage having the pulse waveform and to consume power generated due to wave tails.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Takahashi, Keun Su Chang