Patents by Inventor Wen Tsay
Wen Tsay 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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Publication number: 20110316644Abstract: A circuit board with jumper structure is disclosed. The circuit board includes a substrate, a ground layer, a first signal transmission line, and a second signal transmission line. The ground layer is formed on a second plane of the substrate. The first signal transmission line is formed on a first plane of the substrate, and coupled to a first signal end and a second signal end. A first signal transmitted on the first signal transmission line in a combination method of a microstrip line to co-planar waveguide transition and a co-planar waveguide to microstrip line transition. The second signal transmission line is formed on the second plane of the substrate, and coupled to a third signal end and a fourth signal end. A second signal is transmitted on the second signal transmission line in the co-planar waveguide transmission.Type: ApplicationFiled: September 30, 2010Publication date: December 29, 2011Inventors: Wen-Tsai Tsai, Wen-Chen Lan
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Publication number: 20110316641Abstract: A radio frequency device is disclosed, which includes an isolation substrate, a ground layer, a first signal end, a second signal end, a radio frequency circuit, and an impedance unit. The isolation substrate includes a first plane and a second plane. The ground layer is disposed on the second plane of the isolation substrate for providing grounding. The first signal end is formed on the first plane of the isolation substrate. The second signal end is formed on the first plane of the isolation substrate and coupled to the ground layer. The radio frequency circuit is disposed on the first plane of the isolation substrate and coupled to the first signal end. The impedance unit is disposed on the first plane of the isolation substrate and coupled to the first signal end and the second signal end.Type: ApplicationFiled: September 21, 2010Publication date: December 29, 2011Inventors: Wen-Tsai Tsai, Wen-Chen Lan, Ta-Jen Wu
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Patent number: 8085213Abstract: A low noise block converter feedhorn (LNBF) is disclosed. The LNBF comprises a PCB, a dielectric resonator oscillator (DRO), a chamber, a tuning screw, and a cover. The DRO is placed on the PCB. The chamber has a first partition, and the first partition is used to cover up the DRO. The chamber further comprises a round hole. The tuning screw passes through the round hole and is then used to adjust the oscillating frequency of the DRO. The cover is used to cover up the tuning screw in order to restrain the DRO from power leakage through the gap in between the round hole and the tuning screw.Type: GrantFiled: March 30, 2009Date of Patent: December 27, 2011Assignee: Wistron Neweb Corp.Inventors: Tsan-Chou Wu, Wen-Tsai Tsai, Chen-Yueh Chen
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Publication number: 20110310570Abstract: An LNBF is disclosed. The LNBF includes a housing, a spacer, down-converter circuit, and an F-connector. The spacer is disposed on the housing, wherein a hole is formed on the spacer. The down-converter circuit board is disposed between the housing and the spacer. The F-connector is disposed on the spacer and electrically connected to the down-converter circuit board via the hole.Type: ApplicationFiled: September 6, 2010Publication date: December 22, 2011Inventors: Wen-Tsai Tsai, Tsan-Chou Wu, Ta-Jen Wu
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Publication number: 20110304042Abstract: A work piece includes a copper bump having a top surface and sidewalls. A protection layer is formed on the sidewalls, and not on the top surface, of the copper bump. The protection layer includes a compound of copper and a polymer, and is a dielectric layer.Type: ApplicationFiled: July 29, 2010Publication date: December 15, 2011Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jing-Cheng Lin, Ya-Hsi Hwung, Hsin-Yu Chen, Po-Hao Tsai, Yan-Fu Lin, Cheng-Lin Huang, Fang Wen Tsai, Wen-Chih Chiou
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Publication number: 20110305036Abstract: A display device includes a light guide plate, a first light source device, a second light source device, a display panel, and an image light source synchronization unit. The first and second light source devices are disposed adjacent to two opposite sides of the light guide plate respectively. A plurality of first micro structures are formed on a bottom surface of the light guide plate and capable of deflecting a light beam from the second light source device towards the right-hand side and deflecting a light beam from the first light source device towards the left-hand side. The image light source synchronization unit is capable of displaying the left-side image when the first light source device is turned on and the second light source device is turned off and displaying the right-side image when the first light source device is turned off and the second light source device is turned on.Type: ApplicationFiled: June 7, 2011Publication date: December 15, 2011Inventors: Han-Wen TSAI, Ming-Feng Kuo
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Patent number: 8073249Abstract: The present invention relates to an apparatus and a method thereof for adjusting a luminance of an image signal. The apparatus includes a complementary circuit, a statistical circuit, a calculating circuit, and a blending circuit. The complementary circuit receives an image signal to generate a complementary luminance according to the luminance of the image signal. The statistical circuit receives the image signal to generate a statistical signal according to the luminance of the image signal. The calculating circuit receives the image signal, the complementary luminance, and the statistical signal to generate a calculated luminance of the image signal. The blending circuit generates an output image signal according to the calculated luminance and the luminance of the image signal. A video display device can thereby displays optimum pictures according to the output image signal.Type: GrantFiled: October 10, 2007Date of Patent: December 6, 2011Assignee: Realtek Semiconductor Corp.Inventors: Sen-Huang Tang, Wen-Tsai Liao
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Publication number: 20110292680Abstract: A light guide unit having a planar portion, a first curved portion, and a second curved portion are disclosed. The first curved portion has a first optical surface, a second optical surface, and a light incident surface connecting the first and the second optical surfaces. The planar portion has a first and a second surfaces, respectively, connected to the first and the second optical surfaces. Absolute values of slopes of the first and second optical surfaces with respect to the first and second surfaces gradually increase near to the light incident surface, respectively. The planar portion connects the first and the second curved portions having a third surface and a third optical surface, and the second surface connects the second and the third optical surfaces. An absolute value of a slope of the third optical surface with respect to the second surface gradually increases away from the first surface.Type: ApplicationFiled: May 22, 2011Publication date: December 1, 2011Applicant: CORETRONIC CORPORATIONInventor: Han-Wen Tsai
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Patent number: 8063724Abstract: A band-pass filter includes an input port, an output port, and a plurality of resonators. The input port is utilized for receiving a radio frequency signal. The output port is utilized for outputting a filtered signal. The plurality of resonators are placed between the input port and the output port, and are utilized for band-pass filtering the radio frequency signal for generating the filtered signal, wherein the plurality of resonators comprise at least two different trace widths for matching the output impedance of the band-pass filter with the input impedance of a rear-stage circuit coupled to the output port.Type: GrantFiled: July 9, 2009Date of Patent: November 22, 2011Assignee: Wistron NeWeb CorporationInventors: Che-Ming Wang, Wen-Tsai Tsai
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Patent number: 8048810Abstract: A method for fabricating a integrated circuit is disclosed. An exemplary method includes providing a substrate; forming a hard mask layer over the substrate; forming a patterned photoresist layer over the hard mask layer, such that portions of the hard mask layer are exposed; performing a dry etching process to remove the exposed portions of the hard mask layer; removing the patterned photoresist layer using at least one of a nitrogen plasma ashing and a hydrogen plasma ashing; and performing a wet etching process to remove remaining portions of the hard mask layer.Type: GrantFiled: January 29, 2010Date of Patent: November 1, 2011Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Fang Wen Tsai, Jim Cy Huang, Shun Wu Lin, Li-Shiun Chen, Kuang-Yuan Hsu
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Publication number: 20110263072Abstract: Sulfur-containing chalcogenide absorbers in thin film solar cell are manufactured by sequential sputtering or co-sputtering targets, one of which contains a sulfur compound, onto a substrate and then annealing the substrate. The anneal is performed in a non-sulfur containing environment and avoids the use of hazardous hydrogen sulfide gas. A sulfurized chalcogenide is formed having a sulfur concentration gradient.Type: ApplicationFiled: April 22, 2010Publication date: October 27, 2011Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Wen-Chin Lee, Wen-Tsai Yen, Ding-Yuan Chen, Liang-Sheng Yu, Yu-Han Chang
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Patent number: 8040621Abstract: A miniature magnetic-levitated lens driving device includes a lid, a casing, a lens module, a plate spring, and a magnetic-levitated module. The lid has a hollow structure and is coupled to the casing. The casing is formed therein with a receiving space. The lens module is provided in the receiving space. The plate spring is fixed between the lid and the casing and configured to resiliently confine the lens module to the receiving space. The magnetic-levitated module is provided in the receiving space and corresponds in position to the lens module. A magnetic repulsive force is produced by and between the magnetic-levitated module and the lens module, and in consequence the lens module is magnetically suspended in the receiving space formed by the lid and the casing, so as to save power, and minimize friction and microparticles.Type: GrantFiled: January 22, 2010Date of Patent: October 18, 2011Assignee: PowerGate Optical Inc.Inventors: Chi Lone Chang, Chuan Yu Hsu, Wen Tsai Hsu, Chi Tai Meng
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Publication number: 20110241573Abstract: A light guide plate includes a first surface, a second surface, at least a light incident surface, and a plurality of groove sets. The second surface is opposite to the first surface. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved light-back-surface. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve towards a same curving direction. The curved inclined reflective surface of one of two curved grooves is connected to the curved light-back-surface of the other one of the two curved grooves. A backlight module is also provided.Type: ApplicationFiled: March 29, 2011Publication date: October 6, 2011Applicant: CORETRONIC CORPORATIONInventors: Han-Wen Tsai, Chih-Chieh Yu
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Publication number: 20110199789Abstract: A light source apparatus including a light source, an optical fiber, a light guide module, and a light shape adjustment element is provided. The light source emits a light beam. The optical fiber disposed in a transmission path of the light beam has a light incident end and a light emitting end. The light beam enters the optical fiber through the light incident end and leaves the optical fiber through the light emitting end. The light guide module has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light beam from the light emitting end enters the light guide module through the light incident surface. The light shape adjustment element is connected to the light guide module and capable of changing a light shape of an emitted light from the light guide module.Type: ApplicationFiled: January 14, 2011Publication date: August 18, 2011Applicant: CORETRONIC CORPORATIONInventors: Ching-Chou Huang, Han-Wen Tsai, Chin-Ming Lin
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Publication number: 20110189847Abstract: A method for fabricating a integrated circuit is disclosed. An exemplary method includes providing a substrate; forming a hard mask layer over the substrate; forming a patterned photoresist layer over the hard mask layer, such that portions of the hard mask layer are exposed; performing a dry etching process to remove the exposed portions of the hard mask layer; removing the patterned photoresist layer using at least one of a nitrogen plasma ashing and a hydrogen plasma ashing; and performing a wet etching process to remove remaining portions of the hard mask layer.Type: ApplicationFiled: January 29, 2010Publication date: August 4, 2011Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Fang Wen Tsai, Jim C.Y. Huang, Shun Wu Lin, Li-Shiun Chen, Kuang-Yuan Hsu
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Patent number: 7990463Abstract: A multi-stage lens driving device for driving an optical lens so as to perform the functions of zooming and/or focusing comprises: a front cover, a rear cover, a plurality of yokes, a plurality of driving coils, a lens seat, and a plurality of permanent magnets. The front cover is a hollow annular cover having a plurality of recesses formed on an inner periphery thereof and a plurality of holders on an outer periphery thereof. The rear cover can be combined with the front cover, thereby forming a receiving space therebetween. The lens seat is a hollow housing disposed in the receiving space. The yokes are provided in the recesses formed on the inner periphery of the front cover. The permanent magnets are surrounding and embedded in an outer periphery of the lens seat, disposed in correspondence to the yokes and spaced therefrom by a predetermined distance. The driving coils are provided respectively on the holders of the front cover, and correspond respectively to the yokes received in the recesses.Type: GrantFiled: February 5, 2008Date of Patent: August 2, 2011Inventors: Wen Jen Ho, Chi Lone Chang, Wen Tsai Hsu
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Patent number: 7991339Abstract: A fuser device used with an imaging system for setting toner on a recording media is disclosed. The fuser device includes a heating element; a rolling piece for exerting pressure on the toner adhered on the recording media; a film for clamping the recording media with the rolling piece, the film being in the heat of the heating element to set the toner on the recording media; and a control structure. The control structure has a base piece on which a first engaging portion and a second engaging portion are disposed. The heating element, the first engaging portion and the second engaging portion form a loop and the film surrounds the loop.Type: GrantFiled: May 8, 2008Date of Patent: August 2, 2011Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology CorporationInventors: Cheng-Wen Tsai, Ming-Chun Hsu
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Publication number: 20110183508Abstract: A structure and method for replacement metal gate technology is provided for use in conjunction with semiconductor fins or other devices. An opening is formed in a dielectric by removing a sacrificial gate material such as polysilicon. The surfaces of the semiconductor fin within which a transistor channel is formed, are exposed in the opening. A replacement metal gate is formed by forming a diffusion barrier layer within the opening and over a gate dielectric material, the diffusion barrier layer formation advantageously followed by an in-situ plasma treatment operation. The treatment operation utilizes at least one of argon and hydrogen and cures surface defects in the diffusion barrier layer enabling the diffusion barrier layer to be formed to a lesser thickness. The treatment operation decreases resistivity, densifies and alters the atomic ratio of the diffusion barrier layer, and is followed by metal deposition.Type: ApplicationFiled: January 26, 2010Publication date: July 28, 2011Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bor-Wen Chan, Fang Wen Tsai
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Publication number: 20110182029Abstract: A notebook computer device includes an image capture module, a cover, a first magnetic element, and a second magnetic element. The image capture module is disposed on a body of the computer device, the cover is moveably disposed on the body. The image capture module is exposed when the cover is at a first position, and the image capture module is covered when the cover is at a second position. The first magnet element is disposed on the cover, and a second magnet element is disposed on the body corresponding to the first magnet element. The cover moves between a first position and a second position via the magnetic force of repulsion and attraction.Type: ApplicationFiled: January 20, 2011Publication date: July 28, 2011Applicant: ASUSTEK COMPUTER INC.Inventors: Hsien-Chih Wu, Hsin-Wen Tsai, Sheng-Ta Lin, Chiu-Lang Huang
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Patent number: 7971756Abstract: A filtering device includes an isolation substrate including a first plane and a second plane, a micro-strip line deposited on the first plane of the isolation substrate for transmitting signals, and a ground metal layer deposited on the second plane of the isolation substrate for providing grounding. A meander-shaped resonating cavity is formed in an area of the ground metal layer corresponding to an area of the micro-strip line, for generating a rejection band on the micro-strip line.Type: GrantFiled: June 1, 2009Date of Patent: July 5, 2011Assignee: Wistron NeWeb CorporationInventors: Tsan-Chou Wu, Wen-Tsai Tsai, Chih-Chang Ko