Patents by Inventor Cheng Wen

Cheng Wen 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: 8659915
    Abstract: A valley-detection device for quasi-resonance switching and a method using the same is disclosed, which uses first and second capacitors to connect with a comparator, and the comparator connects with an NMOSFET connecting to a transformer. When the NMOSFET is turned off, the energy stored in the transformer is discharged and a resonant signal across the source and the drain is generated, and a first constant current charges the first capacitor at a start time point of the resonant signal until a voltage of the resonant signal first reaches to a crossing voltage. Then, a second constant current charges the second capacitor when the voltage of the resonant signal equals to the crossing voltage while the voltage of the resonant signal varies from high to low. Finally, the comparator turns on the NMOSFET when a voltage of the second capacitor equals to a voltage of the first capacitor.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: February 25, 2014
    Assignee: SYNC Power Corp.
    Inventor: Cheng-Wen Tsui
  • Publication number: 20140051375
    Abstract: An electronic device and an antenna reception tuning method thereof are provided. The electronic device includes a first main body, a second main body, a sensing unit, and a processing unit. The second main body, including an antenna and a matching unit, is disposed on the first main body through a hinge and adapted for being opened or closed relative to the first main body. The sensing unit is disposed on the electronic device, adapted for detecting a distance between the first main body and the second main body, and generates a control signal according to the distance, wherein the distance includes an angle and an open/close state between the first and the second main bodies. The processing unit is electrically connected to the sensing unit and the matching unit, and adjusts the matching unit according to the received control signal.
    Type: Application
    Filed: November 8, 2012
    Publication date: February 20, 2014
    Inventors: Kuo-Chiang Hung, Cheng-Wen Wang, Chieh-Tsao Hwang, Chang-Chih Chen, Shih-Chia Liu
  • Patent number: 8637936
    Abstract: A resistor is disclosed. The resistor is disposed on a substrate, in which the resistor includes: a dielectric layer disposed on the substrate; a polysilicon structure disposed on the dielectric layer; two primary resistance structures disposed on the dielectric layer and at two ends of the polysilicon structure; and a plurality of secondary resistance structures disposed on the dielectric layer and interlaced with the polysilicon structures.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: January 28, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Kai-Ling Chiu, Victor-Chiang Liang, Chih-Yu Tseng, Kun-Szu Tseng, Cheng-Wen Fan, Hsin-Kai Chiang, Chih-Chen Hsueh
  • Patent number: 8632239
    Abstract: The present invention provides a backlight system of flat panel display device, which includes a back frame and a circuit board; the back frame includes primary assembling pieces and secondary assembling pieces; the primary assembling pieces are of a number of at least two, the at least two primary assembling pieces being connected through joining; the secondary assembling pieces are arranged inside the back frame and joined to the back frame; and the circuit board is releasably mounted to the back frame. The present invention also provides a method for manufacturing a backlight system of flat panel display device. Through above arrangement, the back frame mold is made simple in structure and the expenditure of the back frame mold is reduced, and the material used for back frame is saved so as to lower down the manufacturing cost of flat panel display device and also simplify removal and mounting of a circuit board.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: January 21, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yu-Chun Hsiao, Cheng-Wen Que, Yi-Cheng Kuo
  • Publication number: 20140004072
    Abstract: A method and a composition of gene therapy for treating acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) based on polyplexes formed between linear polyethyleneimine (PEI) and DNA comprising the ?2-Adrenergic Receptor (?2AR) gene are provided.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 2, 2014
    Applicant: NATIONAL YANG MING UNIVERSITY
    Inventors: Cheng-Wen Wu, Erh-Hsuan Lin, Hsiang-Yi Chang
  • Patent number: 8616738
    Abstract: The present invention provides a back frame of a flat panel display device, which includes at least two primary assembling pieces and at least one secondary assembling piece, wherein the at least two primary assembling pieces are joined to form a main frame structure of the back frame and the secondary assembling piece is arranged inside the main frame structure and is joined to the main frame structure. The back frame further includes a bracing piece fixed to the primary assembling pieces or the secondary assembling piece and a heat dissipation fin set arranged on the bracing piece. The bracing piece fixes a circuit board and forms a thermal coupling between the circuit board and the heat dissipation fin set. The present invention also provides a backlight system.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: December 31, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yi-Cheng Kuo, Yu-Chun Hsiao, Cheng-Wen Que
  • Publication number: 20130317458
    Abstract: Drug delivery devices comprising a non-bioabsorbable polymer structure configured to support a composition comprising an active agent. The devices include a plurality of portions fused together and a recess configured to support the composition. At least one of the portions includes an impermeable polymer and at least one other portion includes a rate-limiting water-permeable polymer. The rate-limiting water-permeable polymer allows for transportation of the active agent to an exterior of the device.
    Type: Application
    Filed: July 22, 2013
    Publication date: November 28, 2013
    Applicant: Aerie Pharmaceuticals, Inc.
    Inventors: Casey Kopczynski, Cheng-Wen Lin, Chris Sutay
  • Publication number: 20130293255
    Abstract: A method for testing a TSV comprises charging a through-silicon-via under test to a first predetermined voltage level charging a capacitance device to a second predetermined voltage level; performing charge-sharing between the through-silicon-via and the capacitance device; and determining that the through-silicon-via under test is not faulty if the voltage level of the through-silicon-via after the charge-sharing step is within a predetermined range.
    Type: Application
    Filed: July 11, 2013
    Publication date: November 7, 2013
    Inventors: Cheng-Wen Wu, Po-Yuan Chen, Ding-Ming Kwai, Yung- Fa Chou
  • Patent number: 8578402
    Abstract: A front panel of an optical disc drive is provided. The optical disc drive further includes a LED indicator for displaying a working status of the optical disc drive. The front panel includes a light-transmissible zone corresponding to the LED indicator. A thickness of the light-transmissible zone is smaller than an average thickness of the front panel. The light-transmissible zone is integrally formed with the front panel.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: November 5, 2013
    Assignee: Philips & Lite-On Digital Solutions Corporation
    Inventors: Cheng-Wen Huang, Chun-Lung Ho
  • Publication number: 20130288199
    Abstract: A composite regeneration membrane is utilized for separating an alveolar bone tissue and a gum epithelium tissue. The composite regeneration membrane comprises a collagen resorbable layer and a titanium bendable layer. The collagen resorbable layer is utilized for transmitting material between the alveolar bone tissue and the gum epithelium tissue. The titanium bendable layer is located in the collagen resorbable layer for supporting the collagen resorbable layer. The titanium bendable layer also has a plurality of transmitting holes allowing the material transmitted by the collagen resorbable layer to pass through.
    Type: Application
    Filed: December 20, 2012
    Publication date: October 31, 2013
    Inventor: SHIH-CHENG WEN
  • Publication number: 20130260082
    Abstract: The present invention relates to a protective film for electronic device. The protective film comprises a protective-film body and a first microstructure layer. The protective-film body has a first surface and a second surface. The first microstructure layer is disposed on the first surface of the protective-film body. The second surface of the protective-film body covers the surface of an electronic device. The hardness of the protective film is between 1 H and 12 H. Thanks to it high surface hardness, the protective film according to the present invention has superior wear and scrape resistance. Thereby, the life time of the protective film is extended and hence ensuring protection of the surface of the electronic device.
    Type: Application
    Filed: June 27, 2012
    Publication date: October 3, 2013
    Applicant: YUXI TECHNOLOGY CO., LTD.
    Inventors: SHENG-CHIEN CHAN, CHENG-WEN YU
  • Patent number: 8545038
    Abstract: The present invention provides a back frame of flat panel display device, which includes at least first and second primary assembling pieces. The at least two primary assembling pieces are joined to form the back frame. The primary assembling pieces have positioning sections, and the positioning section cooperate with a back panel of the flat panel display device to position the back frame. The present invention also provides a backlight system and a flat liquid crystal display device. The present invention uses positioning sections formed on the primary assembling pieces to cooperate with a back panel of the flat panel display device to fix the back frame to the back panel so as to facilitate removal of the back frame and further secure the whole structure of the flat liquid crystal display device.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: October 1, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yi-Cheng Kuo, Yu-Chun Hsiao, Chong Huang, Jia-He Cheng, Cheng-Wen Que, Quan Li, Liu-Yang Yang
  • Patent number: 8545088
    Abstract: The present invention provides a back frame and a backlight system of a flat panel display device. The back frame includes at least two assembling pieces that are joined to form the back frame. The back frame further includes a bracing piece fixed to the assembling pieces and the bracing piece functions to fix a circuit board and an electromagnetic shielding piece. The bracing piece includes a bracing body, a first suspension section, a first bearing section, and a first resilient bent section. The bracing body is fixed to the assembling pieces. The first suspension section extends from the bracing body toward one side of the bracing body. The first bearing section is spaced from the bracing body and extends from the first suspension section toward one side of the first suspension section. The first resilient bent section is located between the first bearing section and the bracing body and is bent from the first suspension section toward one side of the first suspension section.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: October 1, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Cheng-Wen Que, Chong Huang, Yi-Cheng Kuo, Yu-Chun Hsiao
  • Patent number: 8545089
    Abstract: A back frame of a flat panel display device includes first and second primary assembling pieces. The first primary assembling piece has an end forming at least two joint sections each of which has a structure mating an end of the second primary assembling piece to selectively joint the two primary assembling pieces. The back frame includeds a bracing piece fixed to the primary assembling pieces and forming at least two sets of mounting structures. A mold for making a back frame and bracing piece of a flat panel display device, a method for manufacturing a back frame of a flat panel display device, and a backlight system are also provide and they have a simple back frame mold to reduce cost of the back frame mold, and save material for the back frame to lower down cost of the flat panel display device.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: October 1, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chong Huang, Cheng-Wen Que, Yu-Chun Hsiao, Yi-Cheng Kuo
  • Publication number: 20130241501
    Abstract: The present invention discloses a charging system for charging a capacitor. The charge system includes a unit gain buffer, driven by a driving voltage, having a positive input terminal for receiving a target voltage and a negative input terminal coupled to an output terminal, at least one independent voltage source, for providing at least one voltage, a first switch coupled between the unit gain buffer and the capacitor, at least one second switch coupled between the at least one independent voltage source and the capacitor, and a switch control waveform generator, coupled to the first switch and the at least one second switch, for sequentially turning on at least one of the first switch and the at least one second switch for at least one of the unit gain buffer and the at least one independent voltage source to sequentially charge the capacitor.
    Type: Application
    Filed: November 14, 2012
    Publication date: September 19, 2013
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventor: Cheng-Wen Chang
  • Patent number: 8531199
    Abstract: The method and circuit for testing a TSV of the present invention exploit the electronic property of the TSV under test. The TSV under test is first reset to a first state, and is then sensed at only one end to determine whether the TSV under test follows the behavior of a normal TSV, wherein the reset and sense steps are performed at only one end of the TSV under test. If the TSV under test does not follow the behavior of a normal TSV, the TSV under test is determined faulty.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: September 10, 2013
    Assignee: National Tsing Hua University
    Inventors: Cheng Wen Wu, Po Yuan Chen, Ding Ming Kwai, Yung Fa Chou
  • Publication number: 20130182463
    Abstract: A valley-detection device for quasi-resonance switching and a method using the same is disclosed, which uses first and second capacitors to connect with a comparator, and the comparator connects with an NMOSFET connecting to a transformer. When the NMOSFET is turned off, the energy stored in the transformer is discharged and a resonant signal across the source and the drain is generated, and a first constant current charges the first capacitor at a start time point of the resonant signal until a voltage of the resonant signal first reaches to a crossing voltage. Then, a second constant current charges the second capacitor when the voltage of the resonant signal equals to the crossing voltage while the voltage of the resonant signal varies from high to low. Finally, the comparator turns on the NMOSFET when a voltage of the second capacitor equals to a voltage of the first capacitor.
    Type: Application
    Filed: January 18, 2012
    Publication date: July 18, 2013
    Inventor: Cheng-Wen TSUI
  • Patent number: 8485695
    Abstract: The present invention provides a backlight system, which includes a reflector plate, a light guide plate, and a back frame. The reflector plate and the light guide plate are stacked on the back frame and the back frame carries the light guide plate and the reflector plate. The back frame includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and lifting adhesive spots are formed between the reflector plate and the light guide plate. The backlight system of the present invention has a back frame having a simple structure, saves material for the back frame, and reduces the cost of the back frame so as to lower down the cost of flat panel display device.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: July 16, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Cheng-Wen Que, Yi-Cheng Kuo, Yu-Chun Hsiao
  • Publication number: 20130167164
    Abstract: A front panel of an optical disc drive is provided. The optical disc drive further includes a LED indicator for displaying a working status of the optical disc drive. The front panel includes a light-transmissible zone corresponding to the LED indicator. A thickness of the light-transmissible zone is smaller than an average thickness of the front panel. The light-transmissible zone is integrally formed with the front panel.
    Type: Application
    Filed: April 23, 2012
    Publication date: June 27, 2013
    Applicant: Philips & Lite-on Digital Solutions Corporation
    Inventors: Cheng-Wen Huang, Chun-Lung Ho
  • Publication number: 20130162588
    Abstract: A signal processing method for a touch panel is provided. The touch panel includes several capacitor electrodes. The method includes the following steps. Detection values are provided according to self-capacitance changes of the capacitor electrodes. The detection values are then low-pass filtered by a filter structure to generate several filtered values. A position where a touch event occurs on the touch panel is determined according to the filtered values.
    Type: Application
    Filed: July 10, 2012
    Publication date: June 27, 2013
    Applicant: MSTAR SEMICONDUCTOR, INC.
    Inventor: Chao-Cheng Wen