Patents by Inventor Pi-Jin Chen
Pi-Jin Chen 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).
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Patent number: 7745995Abstract: 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: GrantFiled: May 10, 2006Date of Patent: June 29, 2010Assignees: 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
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Patent number: 7728504Abstract: 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: GrantFiled: May 18, 2006Date of Patent: June 1, 2010Assignees: 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
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Patent number: 7714493Abstract: 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: GrantFiled: May 19, 2006Date of Patent: May 11, 2010Assignees: 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
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Publication number: 20100065043Abstract: A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. A transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube composite material.Type: ApplicationFiled: March 12, 2009Publication date: March 18, 2010Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Peng Liu, Pi-Jin Chen, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
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Publication number: 20100065042Abstract: A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are entangled with each other.Type: ApplicationFiled: March 12, 2009Publication date: March 18, 2010Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Peng Liu, Pi-Jin Chen, Liang Liu, Kai-Li Jiang, Ding Wang, Chang-Hong Liu, Shou-Shan Fan
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Patent number: 7663298Abstract: A light source apparatus (8) includes a rear plate (80), a front plate (89) formed with an anode layer (82), and a cathode (81) interposed therebetween. The cathode includes a plurality of electrically conductive carriers (812) and a plurality of field emitters (816) formed thereon. The field emitters are uniformly distributed on anode-facing surfaces of the conductive carriers. The anode layer includes a plurality of curving portions (820) corresponding to the conductive carriers. Preferably, the field emitters extend radially outwardly from the corresponding conductive carriers. The conductive carriers are parallel with each other, and are located substantially on a common plane. Each of the conductive carriers can be connected with a pulling device arranged at least one end thereof, and an example of the pulling device is a spring. The conductive carriers may be cylindrical, prism-shaped or polyhedral.Type: GrantFiled: July 19, 2005Date of Patent: February 16, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Pi-Jin Chen, Peng Liu, Lei-Mei Sheng, Yang Wei, Liang Liu, Zhao-Fu Hu, Cai-Lin Guo, Shou-Shan Fan
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Patent number: 7638935Abstract: A light source apparatus (8) includes a rear plate (80), a front plate formed with an anode layer (82), and a cathode (81) interposed therebetween. The cathode includes a plurality of electrically conductive carriers (812) and a plurality of field emitters (816) formed thereon. The field emitters are uniformly distributed on anode-facing surfaces of the conductive carriers. Preferably, the field emitters extend radially outwardly from the corresponding conductive carriers. The conductive carriers are parallel with each other, and are located substantially on a common plane. Each of the conductive carriers can be connected with a pulling device arranged at least one end thereof, and an example of the pulling device is a spring. The conductive carriers may be cylindrical, prism-shaped or polyhedral.Type: GrantFiled: July 14, 2005Date of Patent: December 29, 2009Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Yang Wei, Lei-Mei Sheng, Liang Liu, Zhao-Fu Hu, Cai-Lin Guo, Pi-Jin Chen, Shou-Shan Fan
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Publication number: 20090313946Abstract: 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: ApplicationFiled: June 8, 2009Publication date: December 24, 2009Applicants: 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
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Publication number: 20090288364Abstract: 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: ApplicationFiled: May 21, 2009Publication date: November 26, 2009Applicants: 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
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Publication number: 20090288363Abstract: 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: ApplicationFiled: May 21, 2009Publication date: November 26, 2009Applicants: 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
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Publication number: 20090282781Abstract: 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: ApplicationFiled: May 7, 2009Publication date: November 19, 2009Applicants: 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
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Publication number: 20090266355Abstract: A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the periphery of the top surface of the substrate. Thea transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are aligned along a same direction or along different directions.Type: ApplicationFiled: March 12, 2009Publication date: October 29, 2009Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Peng Liu, Pi-Jin Chen, Liang Liu, Kai-Li Jiang, Chang-Hong Liu, Shou-Shan Fan
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Publication number: 20090266356Abstract: A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the periphery of the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are joined end-to-end.Type: ApplicationFiled: March 12, 2009Publication date: October 29, 2009Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Peng Liu, Pi-Jin Chen, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 7609241Abstract: A double-faced light emitting diode display includes a pair of parallel shield panels (20, 20?), and a light emitting module (30) located between the shield panels. Each shield panel includes a video contrast enhancement assembly. The light emitting module includes an opaque insulative substrate (31) with a pair of pixel matrixes symmetrically formed on opposite surfaces (310, 310?) thereof and a circuit driving system formed at at least one of the surfaces. Each pixel matrix includes a plurality of pixel units (320, 320?). Symmetrically opposite pairs of pixel units are electrically interconnected so that the shield panels can simultaneously display same images. The double-faced light emitting diode display has a simple structure, a small size, low cost and full color display capability, and can be advantageously applied in traffic signal boards, large-scale display boards, surround cinemas and so on.Type: GrantFiled: June 28, 2005Date of Patent: October 27, 2009Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Pi-Jin Chen, Peng Liu, Li Qian, Yang Wei, Lei-Mei Sheng, You-Hua Lei, Liang Liu, Shou-Shan Fan
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Patent number: 7605379Abstract: An ion source element includes a cold cathode, a grid electrode, and an ion accelerator. The cold cathode, the grid electrode, and the ion accelerator are arranged in that order and are electrically separated from one another. A space between the cold cathode and the grid electrode is essentially smaller than a mean free path of electrons at an operating pressure. The ion source element is thus stable and suitable for various applications.Type: GrantFiled: October 23, 2007Date of Patent: October 20, 2009Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Lin Xiao, Yuan-Chao Yang, Li Qian, Liang Liu, Pi-Jin Chen, Zhao-Fu Hu, Shou-Shan Fan
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Publication number: 20090255529Abstract: A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube structure.Type: ApplicationFiled: March 12, 2009Publication date: October 15, 2009Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Peng Liu, Pi-Jin Chen, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 7583024Abstract: A double-faced plasma display panel includes two parallel viewing screens (20, 20?), and a discharge structure (30) located between the viewing screens. Each viewing screen includes a transparent substrate (21, 21?), with a plurality of transparent electrodes (23, 24, 23?, 24?), a transparent dielectric layer (22, 22?), and a protection layer (25, 25?) formed at an inner surface of the transparent substrate. The discharge structure includes an opaque insulative substrate (31), with a plurality of addressing electrodes (37, 37?), an opaque dielectric layer (38, 38?), a plurality of separation walls (39, 39?), and a fluorescent layer (40, 40?) formed at each of opposite surfaces (310, 310?) thereof. Symmetrically opposite pairs of same electrodes are electrically interconnected so that the viewing screens can simultaneous display a same image. Only a single driving system is needed to achieve the simultaneous display.Type: GrantFiled: April 27, 2005Date of Patent: September 1, 2009Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Pi-Jin Chen, Peng Liu, Li Qian, Yang Wei, Lei-Mei Sheng, You-Hua Lei, Liang Liu, Shou-Shan Fan
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Patent number: 7550913Abstract: 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: GrantFiled: June 14, 2006Date of Patent: June 23, 2009Assignees: 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
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Patent number: 7531953Abstract: A field emission device (8) includes a cathode (80), an anode (84), and spacers (83) interposed therebetween. The cathode includes a network base (81) and a plurality of field emitters (82) formed thereon. The network base is formed of a plurality of electrically conductive carriers. The field emitters are located on surfaces of the carriers, respectively. The field emitters extend radially outwardly from the corresponding conductive carriers. The plurality of electrically conductive carriers may be made of electrically conductive fibers, for example, metal fibers, carbon fibers, organic fibers or another suitable fibrous material. Carrier portions of the plurality of electrically conductive carriers may be cylindrical, curved/arcuate, or at least approximately curved in shape.Type: GrantFiled: October 3, 2005Date of Patent: May 12, 2009Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Lei-Mei Sheng, Peng Liu, Yang Wei, Li Qian, Jie Tang, Liang Liu, Pi-Jin Chen, Zhao-Fu Hu, Shou-Shan Fan
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Publication number: 20080277592Abstract: An ion source element includes a cold cathode, a grid electrode, and an ion accelerator. The cold cathode, the grid electrode, and the ion accelerator are arranged in that order and are electrically separated from one another. A space between the cold cathode and the grid electrode is essentially smaller than a mean free path of electrons at an operating pressure. The ion source element is thus stable and suitable for various applications.Type: ApplicationFiled: October 23, 2007Publication date: November 13, 2008Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LIN XIAO, YUAN-CHAO YANG, LI QIAN, LIANG LIU, PI-JIN CHEN, ZHAO-FU HU, SHOU-SHAN FAN