Patents by Inventor Andrew A. CHENG

Andrew A. CHENG 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).

  • ETCHING METHOD TO INCREASE LIGHT TRANSMISSION IN THIN-FILM PHOTOVOLTAIC PANELS
    Publication number: 20120122271
    Abstract: The present invention relates to a chemical etching method for removing portions of material from the photovoltaic laminate of a thin-film photovoltaic panel. The method involves disposing a pre-determined pattern of an etching paste onto the back electrode of the photovoltaic laminate, and then removing the etching paste after a sufficient dwell time. The method removes portions of the laminate where the etching paste is applied. The method may be used to increase light transmission in thin-film photovoltaic panels for window and sun roof applications.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 17, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Lap-Tak Andrew Cheng, Meijun Lu
  • ETCHING METHOD FOR USE WITH THIN-FILM PHOTOVOLTAIC PANEL
    Publication number: 20120122270
    Abstract: The present invention relates to a chemical etching method to electrically isolate the edge from the interior of a thin-film photovoltaic panel comprising a substrate and a photovoltaic laminate. The method comprises a step to dispense an etching paste comprising two or more acids on the laminate periphery; an optional step to apply heat to the laminate; and a step to remove the etching paste. The method is further characterized by the chemical removal of at least two chemically distinctive layers of the laminate at the periphery where the etching paste is applied. The method may be used to produce a thin-film photovoltaic panel.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 17, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: LAP-TAK ANDREW CHENG, Meijun Lu
  • OPTICAL SOCKET
    Publication number: 20120063728
    Abstract: An socket assembly (100) comprises an optical socket (1) and an IC package (5) assembled to the optical socket (1), the optical socket (1) comprises an insulative housing (4) with a plurality of passageways (4110), a plurality of optic members (3) received in the passageways (4110) and a plurality of electrical contacts (2) received in the insulative housing (1). The optic member (3) comprises a waveguide (31) and a lens (32) at the end of the waveguide (31), the IC package (5) comprises a plurality of lenses (510) located at the bottom portion (51) thereof and a plurality of electrical conducts (512) located at peripheral thereof, the lens (510) are received in the passageway (4110) and the electrical conducts (512) connect with the electrical contacts (2).
    Type: Application
    Filed: September 15, 2010
    Publication date: March 15, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHENG-CHI YEH, ANDREW CHENG
  • METHOD AND APPARATUS FOR EMBEDDING MEDIA PROGRAMS HAVING CUSTOM USER SELECTABLE THUMBNAILS
    Publication number: 20120054615
    Abstract: A method and apparatus for embedding a media program with a randomly user selected thumbnail is disclosed. The user can scan a media program to identify one of a plurality of media program frames, select the frame of interest, then designate it as the thumbnail to use in connection with the embedded media program.
    Type: Application
    Filed: September 1, 2010
    Publication date: March 1, 2012
    Applicant: HULU LLC
    Inventors: Andrew Cheng-min Lin, Eric Buehl, Tienan Ren, Xin Jin, Eric I. Feng
  • SOCKET CONNECTOR HAVING CARBON NANOTUBE CONTACTS FOR SIGNAL TRANSMISSION AND METALLIC CONTACTS FOR POWER TRANSIMISSION
    Publication number: 20120045911
    Abstract: A socket connector includes a housing having a base and a plurality of sidewalls extending upwardly from the base. The base and the sidewalls define a receiving cavity for receiving an electronic package. A plurality of carbon nanotube contacts for signal transmission and a plurality of metallic contacts for power transmission are mounted within the housing respectively.
    Type: Application
    Filed: August 16, 2011
    Publication date: February 23, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHENG-CHI YEH, ANDREW CHENG
  • SOCKET CONNECTOR WITH CONTACT TERMINAL HAVING WAVEFORM ARRANGEMENT ADJACENT TO TAIL PORTION PERFECTING SOLDER JOINT
    Publication number: 20120028502
    Abstract: An electrical connector includes an insulative housing with a number of through holes extending therethrough, a number of contacts assembled to the insulative housing, and a number of solder balls disposed in the though holes and each is clasped by the tail and insulative housing. Each contact includes a vertical base portion secured to a first side of the through hole, a contact engaging arm extending from a top end of the base portion, and a solder portion extending from a bottom end of the base portion. The solder portion has a wave arrangement below the base portion and projecting from the base portion to a second side of the through hole which opposites to said first side, and a tail extending downwardly from the wave arrangement and capable of moving from the first side to the second side.
    Type: Application
    Filed: October 12, 2011
    Publication date: February 2, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHENG-CHI YEH, NAN-HUNG LIN, ANDREW CHENG, CHIH-PI CHENG, SHUO-HSIU HSU, TING-YAO HUNG
  • LED LEAD FRAME AND METHOD OF MAKING THE SAME
    Publication number: 20120018747
    Abstract: An LED lead frame assembly comprises a wiring board having a plurality set of positive and negative poles arranged on a top surface thereof A plurality of LED chips are disposed on the wiring board, and electrically bonded to the bus line. A transparent cover is arranged upon the wiring board and covering the LED chip and the conductive lead.
    Type: Application
    Filed: July 21, 2011
    Publication date: January 26, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: ANDREW CHENG, CHIH-PI CHENG
  • Process for improving the emission of electron field emitters
    Patent number: 8070906
    Abstract: This invention provides a process for improving the field emission of an electron field emitter comprised of an acicular emitting substance such as acicular carbon, an acicular semiconductor, an acicular metal or a mixture thereof, comprising applying a force to the surface of the electron field emitter wherein the force results in the removal of a portion of the electron field emitter thereby forming a new surface of the electron field emitter.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: December 6, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert Joseph Bouchard, Lap-Tak Andrew Cheng, David Herbert Roach, John Gerard Lavin
  • OPTOELECTRONIC SOCKET CONNECTOR
    Publication number: 20110280523
    Abstract: An electrical connection system for an optoelectronic socket comprises an optoelectronic socket (1), an OE package (2) assembled to the optoelectronic socket (1), and a circuit board (4). The optoelectronic socket (1) comprises a plurality of passageways (104) embedded with an optical member (12) respectively, and a number of electrical contacts. The OE package (2) comprises a plurality of lenses (20) located at bottom portion thereof and a plurality of electrical pads (22) located at peripheral of the bottom portion. Bottom end of the lens (20) of the OE package (2) are received in the passageway (104) and the electrical pads (22) contact with the electrical contacts (14). The optical member (12) is received in recess on upper face of the circuit board (4) and connects with a waveguide (40) positioned in the recess. The electrical contact is soldered to the circuit board.
    Type: Application
    Filed: May 12, 2011
    Publication date: November 17, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHENG-CHI YEH, ANDREW CHENG
  • Socket connector with contact terminal having waveform arrangement adjacent to tail portion perfecting solder joint
    Patent number: 8052434
    Abstract: A socket connector configured with an insulative housing defining a mating interface surrounded with peripheral walls and a mounting surface is disclosed. A plurality of passageways is defined between the mating interface and the mounting surface and having an opening at the mounting surface. The insulative housing includes an encampment associated with each of the passageway at the mounting surface, and includes an extension crossing over an inner wall of the passageway to substantially narrow the opening of the opening. The socket connector furthers includes a plurality of contact terminals each received in the passageway and further includes a curvilinear solder portion extending beyond the mounting surface. And the socket connector further is incorporated with a plurality of solder balls each disposed between the encampment and the curvilinear solder portion.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: November 8, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Cheng-Chi Yeh, Nan-Hung Lin, Andrew Cheng, Chih-Pi Cheng, Ting-Yao Hung
  • Socket connector with contact terminal having waveform arrangement adjacent to tail portion perfecting solder joint
    Patent number: 8033839
    Abstract: A socket connector is configured with an insulative housing defining a mating interface surrounded with peripheral walls and a mounting surface. A plurality of passageways is defined between the mating interface and the mounting surface and having an opening at the mounting surface. The insulative housing includes an encampment associated with each of the passageway at the mounting surface, and includes an extension crossing over an inner wall of the passageway to substantially narrow the opening of the opening. The socket connector furthers includes a plurality of contact terminals each received in the passageway and further includes a curvilinear solder portion extending beyond the mounting surface. And the socket connector further is incorporated with a plurality of solder balls each disposed between the encampment and the curvilinear solder portion.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: October 11, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Cheng-Chi Yeh, Nan-Hung Lin, Andrew Cheng, Ting-Yao Hung
  • Process for improving the emission of electron field emitters
    Patent number: 8011990
    Abstract: This invention provides a process for improving the field emission of an electron field emitter comprised of an acicular emitting substance such as acicular carbon, an acicular semiconductor, an acicular metal or a mixture thereof, comprising applying a force to the surface of the electron field emitter wherein the force results in the removal of a portion of the electron field emitter thereby forming a new surface of the electron field emitter.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: September 6, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert Joseph Bouchard, Lap-Tak Andrew Cheng, David Herbert Roach
  • Co-processable photoimageable silver and corbon nanotube compositions and method for field emission devices
    Patent number: 8002603
    Abstract: Described herein are methods of manufacturing an electrode and emitter in a field emission device, and devices formed from the methods. Compositions useful for the manufacture of an electrode and emitter in a field emission device are also described.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: August 23, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Haixin Yang, Lap-Tak Andrew Cheng, Terry Roland Suess, Chien Lung Weng
  • METHOD AND APPARATUS FOR PROVIDING SUPPLEMENTAL VIDEO CONTENT FOR THIRD PARTY WEBSITES
    Publication number: 20110179357
    Abstract: A method, apparatus and article of manufacture for providing supplemental video content for third party websites is disclosed. In one embodiment, coded instructions are transmitted from a content enhancement server to a host server, for incorporation into the webpage source code. The host server is controlled by a first entity and the content enhancement server is controlled by a second entity commercially distinct from the first entity. Keywords are obtained by executing of the coded instructions in the webpage received in the client computer from the host server to send the address of the requested webpage to the content enhancement server, which generates supplemental substantive video content information for transmission to the client.
    Type: Application
    Filed: June 24, 2010
    Publication date: July 21, 2011
    Applicant: HULU LLC
    Inventors: Andrew Cheng-min Lin, Bradley J. Suter
  • METHOD AND APPARATUS FOR PROVIDING SUPPLEMENTAL VIDEO CONTENT FOR THIRD PARTY WEBSITES
    Publication number: 20110179010
    Abstract: A method, apparatus and article of manufacture for providing supplemental video content for third party websites is disclosed. In one embodiment, coded instructions are transmitted from a content enhancement server to a host server, for incorporation into the webpage source code. The host server is controlled by a first entity and the content enhancement server is controlled by a second entity commercially distinct from the first entity. Keywords are generated by execution of the coded instructions in the webpage received in the client computer from the host server, and the keywords are sent to a content enhancement server, which generates supplemental substantive video content information for transmission to the client.
    Type: Application
    Filed: January 15, 2010
    Publication date: July 21, 2011
    Applicant: HULU LLC
    Inventors: Andrew Cheng-min Lin, Bradley J. Suter
  • Electrical connector assembly having pick-up cap with recess receiving the contacts
    Patent number: 7972153
    Abstract: An electrical connector assembly (100) comprises an insulative housing (3), a plurality of contacts (2) received in the insulative housing (3) and a pick-up cap (1) assembled to the insulative housing (3), the contact (2) comprises a base portion (20), a contacting portion (21) extending upwardly from the base portion (20) and a rear portion (23) extending downwardly from the base portion (20), the pick-up cap (1) comprises a flat body portion (10), the body portion (10) comprises an upper surface (101) and a lower surface (102) opposite to each other, the lower surface (102) is supported by the insulative housing (3), a receiving space (1020) recesses from the lower surface (102), and the contacting portions (21) of said contacts (2) project beyond the lower surface (102) into the receiving space (1020).
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: July 5, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Andrew Cheng, Chih-Pi Cheng, Chia-Wei Fan
  • METHOD AND APPARATUS FOR NAVIGATING A MEDIA PROGRAM VIA A HISTOGRAM OF POPULAR SEGMENTS
    Publication number: 20110145726
    Abstract: A method and apparatus for navigating a media program is disclosed. Viewing data for segments of the media program are monitored and used to compile statistics that are presented to the user in a histogram, so that popular portions of the media program can be identified and navigated to. One embodiment includes a searchable transcript of the media program that is synchronized with the histogram.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 16, 2011
    Applicant: Hulu LLC
    Inventors: Eugene Chuan-Huai Wei, Varun Narang, Zhibing Wang, Yuming Liang, Xin Jin, Ting-hao Yang, Eric Feng, Andrew Cheng-min Lin
  • Client-side callbacks to server events
    Patent number: 7890604
    Abstract: Described herein are systems and methods for client-side callbacks to server events in which a Web server receives a message indicating a client-side event. The client-side event is associated with a specific component of a client resource, the specific component being one of multiple static components of the client resource. A server-side component generates a response to the received message and implements at least a subset of logic of the specific component. In generating the response to the message, server-side logic corresponding to other static components that are different than the specific component are not used.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: February 15, 2011
    Assignee: Microsoft Corproation
    Inventors: Bradley D. Millington, Andrew Cheng-Min Lin, Nikhil Kothari
  • Socket connector having protursions for positioning IC package
    Patent number: 7887356
    Abstract: A socket connector includes a socket body, a plurality of contact terminals received in the socket body. The socket body includes an upper surface, a plurality of sidewalls extending upwardly from the upper surface. The upper surface and the sidewalls jointly define a cavity for receiving an IC package therein. A plurality of protrusions extend upwardly from the upper surface and formed separately from the sidewall. The protrusions being discretely distributed at periphery of the IC package and thereby positioning the IC package.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: February 15, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Andrew Cheng, Hu-Guang Luo, Chia-Wei Fan, Chih-Pi Cheng
  • SOCKET CONNECTOR WITH CONTACT TERMINAL HAVING WAVEFORM ARRANGEMENT ADJACENT TO TAIL PORTION PERFECTING SOLDER JOINT
    Publication number: 20110008979
    Abstract: Disclosed herewith a socket connector configured with an insulative housing defining a mating interface surrounded with peripheral walls and a mounting surface. A plurality of passageways is defined between the mating interface and the mounting surface and having an opening at the mounting surface. The insulative housing includes an encampment associated with each of the passageway at the mounting surface, and includes an extension crossing over an inner wall of the passageway to substantially narrow the opening of the opening. The socket connector furthers includes a plurality of contact terminals each received in the passageway and further includes a curvilinear solder portion extending beyond the mounting surface. And the socket connector further is incorporated with a plurality of solder balls each disposed between the encampment and the curvilinear solder portion.
    Type: Application
    Filed: August 10, 2010
    Publication date: January 13, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHENG-CHI YEH, NAN-HUNG LIN, ANDREW CHENG, TING-YAO HUNG