Patents by Inventor Bing-Chu Du

Bing-Chu Du 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: 8042319
    Abstract: A vacuum packaging system includes a vacuum room, a delivery apparatus, a discharge device, a second heating apparatus. The delivery apparatus transport the pre-packaged container into the vacuum room. The discharge device discharges a sealing material to seal an exhaust through hole of the pre-packaged container. The discharge device includes a vessel configured for containing sealing material, a transport pipeline, a first heating, and a controlling element. The first heating apparatus softens the sealing material into viscous liquid. The second heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: October 25, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Peng Liu, Pi-Jin Chen, Bing-Chu Du, Cai-Lin Guo, Liang Liu, Shou-Shan Fan
  • Patent number: 7990043
    Abstract: A field emission cathode structure includes a dielectric layer, a field emission unit, a grid electrode, and a conductive layer. The dielectric layer is positioned on the insulating substrate and defines a cavity. A field emission unit is attached on the cathode electrode and received in the cavity of the dielectric layer. The field emission unit is electrically attached to the cathode electrode. The grid electrode is located on the dielectric layer, and electrons emitted from the field emission unit emit through the grid electrode. The conductive layer is electrically attached to the grid electrode and insulated from the field emission unit. A field emission display device using the above-mentioned field emission cathode structure is also provided.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: August 2, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jie Tang, Hai-Yan Hao, Qi Cai, Xing Zhang, Shuai Liu, Bing-Chu Du, Liang Liu, Shou-Shan Fan
  • Patent number: 7966787
    Abstract: A method for packaging the vacuum device includes providing a pre-packaged container having an exhaust through hole defined therein and a sealing element placed into the exhaust through hole, pumping the pre-packaged container to create a vacuum, heating and softening the sealing element to seal the exhaust through hole, and cooling the melted low-melting glass to package the pre-packaged container.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: June 28, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Cai-Lin Guo, Peng Liu, Pi-Jin Chen, Bing-Chu Du, Liang Liu, Shou-Shan Fan
  • Publication number: 20110074274
    Abstract: A field emission cathode structure includes a dielectric layer, a field emission unit, a grid electrode, and a conductive layer. The dielectric layer is positioned on the insulating substrate and defines a cavity. A field emission unit is attached on the cathode electrode and received in the cavity of the dielectric layer. The field emission unit is electrically attached to the cathode electrode. The grid electrode is located on the dielectric layer, and electrons emitted from the field emission unit emit through the grid electrode. The conductive layer is electrically attached to the grid electrode and insulated from the field emission unit. A field emission display device using the above-mentioned field emission cathode structure is also provided.
    Type: Application
    Filed: January 28, 2010
    Publication date: March 31, 2011
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: JIE TANG, HAI-YAN HAO, QI CAI, XING ZHANG, SHUAI LIU, BING-CHU DU, LIANG LIU, SHOU-SHAN FAN
  • Patent number: 7814773
    Abstract: A reference leak (10) includes a first substrate (20), a second substrate (40) disposed and bonded on the first substrate, and predetermined numbers of leak channels (14) defined in at least one of the first and second substrates. Oblique walls of the leak channels are formed by crystal planes of the at least one of the first and second substrates, the oblique walls thereby being aligned according to such crystal planes. A method for making a reference leak is also provided.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: October 19, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Liang Liu, Shuai-Ping Ge, Zhao-Fu Hu, Bing-Chu Du, Cai-Lin Guo, Pi-Jin Chen, Shou-Shan Fan
  • Patent number: 7812513
    Abstract: An exemplary field emission cathode includes an electrically conductive layer and an electron-emitting member formed thereon. The electron-emitting member includes an electron-emitting material configured for emitting electrons and a getter material configured for collecting outgassed materials. An exemplary planar light source includes an anode and a cathode spaced apart from the anode. The anode includes a first electrically conductive layer and a fluorescent layer formed on an inner surface of the first electrically conductive layer. The cathode includes a second electrically conductive layer and an electron-emitting member formed on an inner surface of the second electrically conductive layer which faces toward the fluorescent layer. The electron-emitting member includes an electron-emitting material and a getter material.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: October 12, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Cai-Lin Guo, Li Qian, Jie Tang, Liang Liu, Bing-Chu Du, Zhao-Fu Hu, Pi-Jin Chen, Shou-Shan Fan
  • Patent number: 7757371
    Abstract: A method for making a reference leak includes the steps of: (a) preparing a substrate; (b) forming a patterned catalyst layer on the substrate, the patterned catalyst layer comprising one or more catalyst blocks; (c) forming one or more elongate nano-structures extending from the corresponding catalyst blocks by a chemical vapor deposition method; (d) forming a leak layer of one of a metallic material, a glass material, and a ceramic material on the substrate with the one or more elongate nano-structures partly or completely embedded therein; and (e) removing the one or more elongate nano-structures and the substrate to obtain a reference leak with one or more leak holes defined therein.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: July 20, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Liang Liu, Jie Tang, Peng Liu, Zhao-Fu Hu, Bing-Chu Du, Cai-Lin Guo, Pi-Jin Chen, Shuai-Ping Ge, Shou-Shan Fan
  • Patent number: 7745995
    Abstract: A flat panel display (7) generally includes a front substrate (79) and a rear substrate (70) opposite thereto. The front substrate is formed with an anode (78). The rear substrate is formed with a cathode (71) facing the anode. Several sidewalls (72) are interposed between the front substrate and the rear substrate. A plurality of getter devices (82) are arranged on the front substrate. Thereby, a chamber between the front substrate and the rear substrate is maintained as a low-pressure vacuum. Each of the getter devices includes a base (820), a getter layer (822) comprised of non-evaporable getter material formed thereon, and securing wires (84) arranged on the base.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: June 29, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Liang Liu, Jie Tang, Cai-Lin Guo, Bing-Chu Du, Zhao-Fu Hu, Pi-Jin Chen, Shou-Shan Fan
  • Patent number: 7744956
    Abstract: A method for forming a patterned array of carbon nanotubes (11) includes the steps of: forming an array of carbon nanotubes on a substrate (10); imprinting the array of carbon nanotubes using a molding device (12) with a predetermined pattern; and removing the molding device, thereby leaving a patterned array of carbon nanotubes (13). The method can effectively reduce or even eliminate any shielding effect between adjacent carbon nanotubes, and is simple to implement. The field emission performance of the patterned array of carbon nanotubes is improved.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: June 29, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Peng Liu, Lei-Mei Sheng, Yang Wei, Liang Liu, Li Qian, Zhao-Fu Hu, Bing-Chu Du, Pi-Jin Chen, Shou-Shan Fan
  • Patent number: 7728504
    Abstract: A CNT field emitting light source (20) is provided. The light source includes an anode (202), an anode substrate (201), a cathode (214), a cathode substrate (208), a fluorescent layer (203) and a sealing means (205). The anode is configured on the anode substrate, and the cathode is configured on the cathode substrate. The anode and the cathode are oppositely configured to produce a spatial electrical field when a voltage is applied therebetween. The cathode includes an emitter layer (206), capable of emitting electrodes bombarding the cathode and matters attached thereupon when activated and controlled by the spatial electric field, and a conductive layer (207), sandwiched between the cathode substrate and the emitter layer for providing an electrically connection therebetween. The fluorescent layer is configured on a surface of the anode oppositely facing the emitter layer, so as to produce fluorescence when bombarded by electrodes emitted from the emitter layer.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: June 1, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Bing-Chu Du, Jie Tang, Liang Liu, Cai-Lin Guo, Pi-Jin Chen, Zhao-Fu Hu, Shou-Shan Fan
  • Patent number: 7728505
    Abstract: A field emission luminescent lamp includes a bulb (40) being vacuum sealed and defining an inner surface; a lamp head mated with the bulb; an electron emitting cathode filament (20) having a conductive wire (10) and a plurality of electron emitters (12) formed thereon, the electron emitting cathode filament is positioned in the bulb; an anode layer (44) formed on the inner surface of the bulb; a phosphor layer (42) formed on the anode layer; an anode electrode (56) located at the lamp head and electrically connected with the anode layer; and a cathode electrode (54) located at the lamp head and electrically connected with the electron emitting cathode filament. The lamp may further include a gate grid (62) and a gate electrode (54). The gate grid defines a number of grid holes and surrounds the cathode filament. The gate grid is electrically connected with the gate electrode.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: June 1, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Peng Liu, Yang Wei, Lei-Mei Sheng, Li Qian, Jie Tang, Liang Liu, Cai-Lin Guo, Bing-Chu Du, Shou-Shan Fan
  • Patent number: 7714493
    Abstract: A field emission device (6), in accordance with a preferred embodiment, includes a cathode electrode (61), a gate electrode (64), a separator (62), and a number of emissive units (63) composed of an emissive material. The separator includes an insulating portion (621) and a number of conductive portions (622). The insulating portion of the separator is configured between the cathode electrode and the gate electrode for insulating the cathode electrode from the gate electrode. The emissive units are configured on the separator at positions proximate to two sides of the gate electrode. The emissive units are in connection with the cathode electrode via the conductive portions respectively. The emissive units are distributed on the separator adjacent to two sides of the gate electrode, which promotes an ability of emitting electrons from the emissive material and the emitted electrons to be guided by the gate electrode toward a smaller spot they bombard.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: May 11, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Bing-chu Du, Jie Tang, Cai-lin Guo, Liang Liu, Zhao-fu Hu, Pi-jin Chen, Shou-shan Fan
  • Publication number: 20090313946
    Abstract: A method for packaging the vacuum device includes providing a pre-packaged container having an exhaust through hole defined therein and a sealing element placed into the exhaust through hole, pumping the pre-packaged container to create a vacuum, heating and softening the sealing element to seal the exhaust through hole, and cooling the melted low-melting glass to package the pre-packaged container.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 24, 2009
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CAI-LIN GUO, PENG LIU, PI-JIN CHEN, BING-CHU DU, LIANG LIU, SHOU-SHAN FAN
  • Publication number: 20090288364
    Abstract: A vacuum packaging system includes a vacuum room, a delivery apparatus, a discharge device, a second heating apparatus. The delivery apparatus transport the pre-packaged container into the vacuum room. The discharge device discharges a sealing material to seal an exhaust through hole of the pre-packaged container. The discharge device includes a vessel configured for containing sealing material, a transport pipeline, a first heating, and a controlling element. The first heating apparatus softens the sealing material into viscous liquid. The second heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline.
    Type: Application
    Filed: May 21, 2009
    Publication date: November 26, 2009
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: PENG LIU, PI-JIN CHEN, BING-CHU DU, CAI-LIN GUO, LIANG LIU, SHOU-SHAN FAN
  • Publication number: 20090288363
    Abstract: A vacuum packaging system for packaging a vacuum apparatus includes a first accommodating room, a second container, a vacuum room, a first hatch, a second hatch, a delivery apparatus, a discharge device, and a heating apparatus. The delivery apparatus transports the vacuum apparatus from the first accommodating room to the vacuum room to the second accommodating room. The discharge device discharges a sealing element to seal an exhaust through hole of the vacuum apparatus. The heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline to heat and soften the sealing element.
    Type: Application
    Filed: May 21, 2009
    Publication date: November 26, 2009
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: PENG LIU, PI-JIN CHEN, BING-CHU DU, CAI-LIN GUO, LIANG LIU, SHOU-SHAN FAN
  • Publication number: 20090282781
    Abstract: A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the exhaust through hole for forrn at least gaps between the sealing cover and the exhaust through hole. A vacuum is established in the container. The connecting material is heated. The sealing cover covers the exhaust through hole and the connecting material is cooled. After that the container is packaged.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 19, 2009
    Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.
    Inventors: Peng Liu, Pi-Jin Chen, Cai-Lin Guo, Bing-Chu Du, Liang Liu, Shou-Shan Fan
  • Patent number: 7550913
    Abstract: A field emission device (100) generally includes a front substrate (101) and a rear substrate (111) opposite thereto. The front substrate is formed with an anode (102). The rear substrate is formed with cathodes (112) facing the anode. A plurality of insulating portions (121) are formed on the rear substrate, each of which is arranged between every two neighboring cathodes. A plurality of gate electrodes are formed on top surfaces of the insulating portions 121. Each of the gate electrodes has a getter layer (123) thereon.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: June 23, 2009
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Cai-Lin Guo, Li Qian, Jie Tang, Liang Liu, Bing-Chu Du, Zhao-Fu Hu, Pi-Jin Chen, Shou-Shan Fan
  • Patent number: 7353687
    Abstract: A reference leak includes a leak layer formed of one of a metallic material, a glass material, and a ceramic material. The metallic material is selected from the group consisting of copper, nickel, and molybdenum. The leak layer comprises a number of substantially parallel leak through holes defined therein. The leak through holes may be cylindrical holes or polyhedrical holes. A length of each of the leak through holes is preferably not less than 20 times a diameter thereof. A diameter of each of the leak through holes is generally in the range from 10 nm to 500 nm. A length of each of the leak through holes is generally in the range from 100 nm to 100 ?m. A leak rate of the reference leak is in the range from 10?8 to 10?15 torĂ—l/s. The leak through holes have substantially same length and diameter.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: April 8, 2008
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jie Tang, Liang Liu, Peng Liu, Zhao-Fu Hu, Bing-Chu Du, Cai-Lin Guo, Pi-Jin Chen, Shou-Shan Fan
  • Publication number: 20070231493
    Abstract: A method for forming a patterned array of carbon nanotubes (11) includes the steps of: forming an array of carbon nanotubes on a substrate (10); imprinting the array of carbon nanotubes using a molding device (12) with a predetermined pattern; and removing the molding device, thereby leaving a patterned array of carbon nanotubes (13). The method can effectively reduce or even eliminate any shielding effect between adjacent carbon nanotubes, and is simple to implement. The field emission performance of the patterned array of carbon nanotubes is improved.
    Type: Application
    Filed: September 28, 2005
    Publication date: October 4, 2007
    Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.
    Inventors: Peng Liu, Lei-Mei Sheng, Yang Wei, Liang Liu, Li Qian, Zhao-Fu Hu, Bing-Chu Du, Pi-Jin Chen, Shou-Shan Fan
  • Publication number: 20070075622
    Abstract: An anode structure (110) for a field emission display (100) includes a front substrate (111), an anode electrode (112) formed on the front substrate, a phosphor layer (113) formed on the anode electrode and a getter material (114). The phosphor layer has a plurality of separated phosphor strips (1131, 1132, 1133) each configured for emitting light of a respective single color. The getter material is arranged between adjacent phosphor strips thereof.
    Type: Application
    Filed: July 27, 2006
    Publication date: April 5, 2007
    Applicants: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Cai-Lin Guo, Li Qian, Jie Tang, Liang Liu, Bing-Chu Du, Zhao-Fu Hu, Pi-Jin Chen, Shou-Shan Fan