Patents by Inventor Chee-Wee Liu

Chee-Wee Liu 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: 20130221534
    Abstract: A semiconductor device comprises a substrate with a first side and a second side, wherein a plurality of active circuits are formed adjacent to the first side of the substrate and a plurality of through silicon vias arranged in a polygon shape and extending from the first side of to the second side, wherein the polygon shape has more than six sides, and wherein each through silicon via is placed at a corresponding apex of the polygon shape.
    Type: Application
    Filed: May 23, 2012
    Publication date: August 29, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Sun-Rong Jan, Che-Yu Yeh, Chee Wee Liu, Chien-Hua Huang, Bing J. Sheu
  • Publication number: 20130168696
    Abstract: A silicon carbide Schottky diode device with mesa terminations and the manufacturing method thereof are provided. The silicon carbide Schottky diode device includes an n-type epitaxial silicon carbide layer with mesa terminations on an n-type silicon carbide substrate, two p-type regions in the n-type epitaxial silicon carbide layer and a Schottky metal contact on the n-type epitaxial silicon carbide layer and the p-type regions, a dielectric layer on sidewalls and planes of the mesa terminations.
    Type: Application
    Filed: April 27, 2012
    Publication date: July 4, 2013
    Applicant: National Taiwan University
    Inventors: Hui-Hsuan WANG, Hao-Chen HUANG, Chee-Wee LIU
  • Publication number: 20130089943
    Abstract: An embodiment of the present disclosure provides method of manufacturing a solar cell. The method comprises the steps of providing a silicon substrate, forming a P-N junction structure in the silicon substrate, forming an oxide layer for passivating the surface defect of the substrate that has a low reflectivity for AM1.5G solar spectrum, and forming a plurality of metal electrodes on the silicon substrate.
    Type: Application
    Filed: April 5, 2012
    Publication date: April 11, 2013
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Yen-Yu Chen, Wei-Shuo Ho, Yu-Hung Huang, Y.Y. Chen, Chee Wee Liu
  • Publication number: 20130087191
    Abstract: A point-contact solar cell structure includes a semiconductor substrate, a front electrode, a first passivation layer, a second passivation layer, and a rear electrode. The semiconductor substrate includes an upper surface, a lower surface, and an emitter layer, a base layer, and a plurality of locally doped regions located between the upper surface and the lower surface. The plurality of locally doped regions is located on the lower surface at intervals. The second passivation layer is located on the lower surface, and has a plurality of openings disposed respectively corresponding to the locally doped regions. The rear electrode is located on one side of the second passivation layer opposite to the semiconductor substrate, and passes through the second passivation layer via the openings to contact the locally doped regions. The width of at least one opening corresponding to the front electrode is greater than that of the remaining openings.
    Type: Application
    Filed: December 30, 2011
    Publication date: April 11, 2013
    Inventors: Seow-Wei TAN, Yen-Yu Chen, Wei-Shuo Ho, Yu-Hung Huang, Chee-Wee Liu
  • Publication number: 20120097246
    Abstract: A solar cell includes a crystalline semiconductor substrate; a first crystalline semiconductor layer; an amorphous semiconductor layer; a first metal electrode layer and a second metal electrode layer. The crystalline semiconductor substrate has a first surface and a second surface, and the crystalline semiconductor substrate has a first doped type. The first crystalline semiconductor layer is disposed on the first surface of the crystalline semiconductor substrate, where the first crystalline semiconductor layer has a second doped type contrary to the first doped type. The amorphous semiconductor layer is disposed on the first crystalline semiconductor layer, and the amorphous semiconductor layer has the second doped type. The first metal electrode layer is disposed on the amorphous semiconductor layer. The second metal electrode layer is disposed on the second surface of the crystalline semiconductor substrate.
    Type: Application
    Filed: March 29, 2011
    Publication date: April 26, 2012
    Inventors: Chee-Wee Liu, Wei-Shuo Ho, Yen-Yu Chen, Chun-Yuan Ku, Zhen-Cheng Wu, Shuo-Wei Liang, Jen-Chieh Chen, Chung-Wei Lai, Tsung-Pao Chen
  • Publication number: 20120024366
    Abstract: A thin film solar cell structure and the fabricating method thereof are disclosed. A passivation layer is embedded into the thin film solar cell structure to be in contact with an absorbing layer. The interface trap density of the absorbing layer is reduced by the surface electric field of the passivation layer. The invention helps improve the power conversion efficiency and protect the absorbing layer.
    Type: Application
    Filed: October 26, 2010
    Publication date: February 2, 2012
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chee Wee Liu, Wen Wei Hsu, Tzu Huan Cheng, Wei Shuo Ho
  • Publication number: 20110284074
    Abstract: A photovoltaic cell includes a first type doped mono-crystalline silicon substrate, an intrinsic amorphous silicon layer, a second type doped amorphous silicon layer, a first type doped crystalline Ge-containing layer, and a pair of electrodes. The first type doped mono-crystalline silicon substrate has a front surface and a rear surface. The intrinsic amorphous silicon layer is disposed on the front surface. The second type doped amorphous silicon layer is disposed on the intrinsic amorphous silicon layer. The first type doped crystalline Ge-containing layer is disposed on the rear surface. The pair of electrodes are electrically connected to the second type doped amorphous silicon layer and first type doped crystalline Ge-containing layer, respectively.
    Type: Application
    Filed: September 27, 2010
    Publication date: November 24, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chee-Wee Liu, Wei-Shuo Ho, Yen-Yu Chen, Chun-Yuan Ku, Chien-Jen Chen, Han-Tu Lin, Shuo-Wei Liang
  • Patent number: 8062964
    Abstract: The present disclosure passivates solar cell defects. Plasma immersion ion implantation (PIII) is used to repair the defects during or after making the solar cell. Hydrogen ion is implanted into absorption layer with different sums of energy to fill gaps of defects or surface recombination centers. Thus, solar cell defects are diminished and carriers are transferred with improved photovoltaic conversion efficiency.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: November 22, 2011
    Assignee: Atomic Energy Council
    Inventors: Wen-Fa Tsai, Jyong-Fong Liao, Yen-Yu Chen, Chee Wee Liu, Chi-Fong Ai
  • Patent number: 8009479
    Abstract: A non-volatile memory is provided. The non-volatile memory comprises at least a silicon-on-insulator transistor including a substrate; an insulating layer disposed on the substrate; an active region disposed on the insulating layer; and an energy barrier device disposed in the active region and outputting a relatively small current when the non-volatile memory is read.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: August 30, 2011
    Assignee: National Taiwan University
    Inventors: Yen-Ting Chen, Ching-Fang Huang, Hung-Chang Sun, Chee Wee Liu
  • Publication number: 20110053351
    Abstract: The present disclosure passivates solar cell defects. Plasma immersion ion implantation (PIII) is used to repair the defects during or after making the solar cell. Hydrogen ion is implanted into absorption layer with different sums of energy to fill gaps of defects or surface recombination centers. Thus, solar cell defects are diminished and carriers are transferred with improved photovoltaic conversion efficiency.
    Type: Application
    Filed: August 9, 2010
    Publication date: March 3, 2011
    Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCH
    Inventors: Wen-Fa Tsai, Jyong-Fong Liao, Yen-Yu Chen, Chee Wee Liu, Chi-Fong Ai
  • Publication number: 20110032765
    Abstract: A non-volatile memory is provided. The non-volatile memory comprises at least a silicon-on-insulator transistor including a substrate; an insulating layer disposed on the substrate; an active region disposed on the insulating layer; and an energy barrier device disposed in the active region and outputting a relatively small current when the non-volatile memory is read.
    Type: Application
    Filed: November 12, 2009
    Publication date: February 10, 2011
    Applicant: National Taiwan University
    Inventors: Yen-Ting Chen, Ching-Fang Huang, Hung-Chang Sun, Chee Wee Liu
  • Publication number: 20100024870
    Abstract: A structure and a method of the solar cell efficiency improvement by the strain technology are provided. The solar cell has a first surface and a second surfaces which at least a gasket is disposed thereon for supporting the solar cell and being the axle whiling stressing. The method includes the steps of: (a) applying at least a stress on the first surface; (b) generating a supporting force on the second surface; and (c) generating at least a strain in the solar cell. In addition, the present invention also includes a method involving a step of: (a) applying a mechanical stress to the solar cell; (b) generating a tension in the solar cell by at least two materials having different lattice constants; or (c) generating another tension in the solar cell by a shallow trench isolation filler, a high tensile/compressive stress silicon nitride layer and a combination thereof.
    Type: Application
    Filed: April 1, 2009
    Publication date: February 4, 2010
    Applicant: National Taiwan University
    Inventors: Jyun-Jhe Tsai, Ying-Jhe Yang, Chee Wee Liu
  • Publication number: 20090302349
    Abstract: A strained germanium field effect transistor (FET) and method of fabricating the same is related to the strained Ge field effect transistor with a thin and pure Ge layer as a carrier channel. The pure Ge layer with the thickness between 1 nm and 10 nm is formed between an unstrained substrate and a gate insulation layer, and directly contacts with the unstrained substrate. The gate is disposed on the gate insulation layer. The germanium layer is used as a carrier transport channel of the strained Ge FET to improve the drive current and the carrier mobility, and to increase the devices performance effectively. Furthermore, a Si protective layer with extremely thin thickness can be deposed between and directly contacts with the gate insulation layer and the pure Ge layer.
    Type: Application
    Filed: August 12, 2009
    Publication date: December 10, 2009
    Applicant: Industrial Technology Research Institute
    Inventors: Min Hung Lee, Cheng Yeh Yu, Chee Wee Liu
  • Patent number: 7579668
    Abstract: A method for photo-detecting and an apparatus for the same are provided. The apparatus for photo-detecting includes a first P-N diode and a second P-N diode. The first P-N diode, has a first P-N junction which has a first thickness, by which a first electrical signal is generated when irradiated by light, and the second P-N diode has a second P-N junction which has a second thickness, by which a second electrical signal is generated when irradiated by light. The second thickness is larger than the first thickness and an operation of the first electrical signal and the second electrical signal is proceeded for obtaining a third electrical signal.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: August 25, 2009
    Assignee: National Taiwan University
    Inventors: Chee-Wee Liu, Chun-Hung Lai, Meng-kun Chen, Wei-Shuo Ho
  • Publication number: 20090194152
    Abstract: A thin-film solar cell having a hetero-junction of semiconductor and the fabrication method thereof are provided. Instead of the conventional hetero-junction of III-V semiconductor or homo-structure of IV semiconductor, the thin-film solar cell according to the present invention adopts a novel hetero-junction structure of IV semiconductor to improve the cell efficiency thereof. By adjusting the amount of layer sequences and the thickness of the hetero-junction structure, the cell efficiency of the thin-film solar cell according to the present invention is also optimized.
    Type: Application
    Filed: February 4, 2008
    Publication date: August 6, 2009
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chee-Wee Liu, Cheng-Yeh Yu, Wen-Yuan Chen, Chu-Hsuan Lin
  • Patent number: 7498224
    Abstract: A method for growing strained Si layer and relaxed SiGe layer with multiple Ge quantum dots (QDs) on a substrate is disclosed. The method can reduce threading dislocation density, decrease surface roughness of the strained silicon and further shorten growth time for forming epitaxy layers than conventional method. The method includes steps of: providing a silicon substrate, forming a multiple Ge QDs layers; forming a layer of relaxed SixGe1-x; and forming a strained silicon layer in subsequence; wherein x is greater than 0 and less than 1.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: March 3, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Pang-Shiu Chen, Sheng-Wei Lee, Lih-Juann Chen, Chee-Wee Liu
  • Publication number: 20090008736
    Abstract: A method for photo-detecting and an apparatus for the same are provided. The apparatus for photo-detecting includes a first P-N diode and a second P-N diode. The first P-N diode, has a first P-N junction which has a first thickness, by which a first electrical signal is generated when irradiated by light, and the second P-N diode has a second P-N junction which has a second thickness, by which a second electrical signal is generated when irradiated by light. The second thickness is larger than the first thickness and an operation of the first electrical signal and the second electrical signal is proceeded for obtaining a third electrical signal.
    Type: Application
    Filed: October 19, 2007
    Publication date: January 8, 2009
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chee-Wee LIU, Chun-Hung LAI, Meng-kun CHEN, Wei-Shuo HO
  • Publication number: 20080298410
    Abstract: A laser apparatus is provided. The laser apparatus includes at least one semiconductor layer having a first surface and a second surface and an insulator layer formed on the first surface of the at least one semiconductor layer, wherein the at least one semiconductor layer and the insulator form a laser cavity.
    Type: Application
    Filed: October 4, 2007
    Publication date: December 4, 2008
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Tzu-Huan CHENG, Cheng-Ting LEE, Wen-Wei HSU, Chee-Wee LIU
  • Publication number: 20080290468
    Abstract: A method for producing a flexible electronic device is provided. The method comprises steps of providing a flexible substrate, forming an inorganic film on the flexible substrate and etching the inorganic film to obtain an electronic element of the electronic device. In another aspect, a flexible electronic device is provided. The flexible electronic device comprises a flexible substrate and an inorganic film disposed on the flexible substrate and having an electronic element, wherein the electronic element is formed by etching the inorganic film.
    Type: Application
    Filed: November 8, 2007
    Publication date: November 27, 2008
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chee-Wee LIU, Y. -T. CHIANG, M. H. LEE, Y. DENG
  • Publication number: 20080217651
    Abstract: A photodetector is provided. The photodetector includes a base piece; a germanium layer mounted on the base piece and including a first area and a second area; a first metal electrode mounted on the first area; an insulation layer mounted on the second area; and a second metal electrode mounted on the insulation layer.
    Type: Application
    Filed: July 27, 2007
    Publication date: September 11, 2008
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chee-Wee Liu, Chu-Hsuan Lin, Cheng-The Yu