Patents by Inventor Yen-Wen Chen
Yen-Wen 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: 7469740Abstract: A heat dissipating device includes: a container body defining an inner space therein and having a fluid passage and opposite upper and lower walls; a working fluid received in the inner space in the container body; a wick structure mounted in the inner space; and a sealing material that seals the fluid passage of the container body. One of the upper and lower walls has a wall portion that is disposed adjacent to the fluid passage and that is depressed in such a manner that the depressed wall portion cooperates with the other of the upper and lower walls to form a sealing mechanism that functions to isolate the fluid passage from the inner space.Type: GrantFiled: September 2, 2005Date of Patent: December 30, 2008Assignee: Asia Vital Components Co., Ltd.Inventors: Jao-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Patent number: 7464463Abstract: A method for making a heat dissipating device includes the steps of: mounting an elastically deformable member on a container body in such a manner that the elastically deformable member covers a periphery of an opening in the container body and that the elastically deformable member cooperates with the container body to define a cavity in fluid communication with an inner space in the container body through the opening; vacuuming the inner space in such a manner that air in the inner space is drawn through the opening and the cavity to the outside of the container body; filling the inner space with a predetermined amount of a working fluid through the opening and the cavity; and forming a sealing mechanism that functions to isolate the inner space from the opening.Type: GrantFiled: September 2, 2005Date of Patent: December 16, 2008Assignee: Asia Vital Components Co., Ltd.Inventors: Jao-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Publication number: 20080303578Abstract: A level shifter including a first boost circuit, an inverter, a second boost circuit and a level shift circuit is disclosed. The first boost circuit receives an input signal, and a first amplification factor for the input signal is determined based on a control signal. The inverter receives the input signal to generate an inverted input signal. The second boost circuit is coupled to an output terminal of the inverter to receive the inverted input signal, and a second amplification factor for the inverted input signal is determined based on the control signal. The level shift circuit has a first input terminal and a second input terminal respectively coupled to output terminals of the first boost circuit and second boost circuit to change the voltage level of output signals from the first boost circuit and second boost circuit to a first voltage level.Type: ApplicationFiled: August 19, 2008Publication date: December 11, 2008Inventors: Yen-Wen CHEN, Yen-Ynn CHOU
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Patent number: 7461450Abstract: A method for making a heat dissipating device includes the steps of: preparing a container body that has a fluid passage and opposite upper and lower walls, the fluid passage being in fluid communication with an inner space in the container body; vacuuming the inner space through the fluid passage; filling the inner space with a predetermined amount of a working fluid through the fluid passage; and depressing a wall portion of a selected one of the upper and lower walls in such a manner that the depressed wall portion is deformed toward the other of the upper and lower walls so as to form a depression in the selected one of the upper and lower walls, and so as to form a sealing mechanism that functions to isolate the fluid passage from the inner space.Type: GrantFiled: September 2, 2005Date of Patent: December 9, 2008Assignee: Asia Vital Components Co., Ltd.Inventors: Jao-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Publication number: 20080137442Abstract: A data read circuit for a memory without a complex pre-charge circuit is provided. A diode is coupled between a pair of bit lines to replace the pre-charge circuit. A voltage drop caused by the diode is substantially half the operating voltage of the memory.Type: ApplicationFiled: May 24, 2007Publication date: June 12, 2008Inventors: Yen-Wen Chen, Yen-Ynn Chou
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Publication number: 20080136487Abstract: A level shifter including a first boost circuit, an inverter, a second boost circuit and a level shift circuit is disclosed. The first boost circuit receives an input signal, and a first amplification factor for the input signal is determined based on a control signal. The inverter receives the input signal to generate an inverted input signal. The second boost circuit is coupled to an output terminal of the inverter to receive the inverted input signal, and a second amplification factor for the inverted input signal is determined based on the control signal. The level shift circuit has a first input terminal and a second input terminal respectively coupled to output terminals of the first boost circuit and second boost circuit to change the voltage level of output signals from the first boost circuit and second boost circuit to a first voltage level.Type: ApplicationFiled: March 27, 2007Publication date: June 12, 2008Inventors: Yen-Wen Chen, Yen-Ynn Chou
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Publication number: 20080086667Abstract: A chip testing device having a plurality of testing units is provided. Each testing unit comprises a selector, a flip-flop unit, a first buffer and a second buffer. The selector is controlled by a control signal and has a first input terminal, a feedback input terminal, and a first output terminal. The flip-flop unit has a second input terminal coupled to the first output terminal, a clock signal input terminal for receiving a reference clock signal, and a second output terminal outputting an output data. The first buffer is coupled to the flip-flop unit to convert the output data to a high voltage data, and outputs the high voltage data. The second buffer is coupled to the first buffer to convert high voltage data to low voltage data and transmit the low voltage data to the feedback input terminal.Type: ApplicationFiled: April 9, 2007Publication date: April 10, 2008Inventors: Yen-Wen Chen, Yen-Ynn Chou
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Publication number: 20080067534Abstract: This disclosure relates to a light-emitting apparatus comprising a submount, a chip carrier formed on the submount, a light-emitting chip formed on the chip carrier, a reflecting cup formed on the submount and enclosing the light-emitting chip and the chip carrier, and a transparent encapsulating material for encapsulating the light-emitting chip.Type: ApplicationFiled: July 23, 2007Publication date: March 20, 2008Applicant: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Ta-Cheng Hsu, ML Tsai, Chih-Chiang Lu, Chien-Yuan Wang, Yen-Wen Chen, Ya-Ju Lee
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Publication number: 20070221929Abstract: A semiconductor light-emitting device is disclosed. The semiconductor light-emitting device comprises a multilayer epitaxial structure disposed on a semiconductor substrate. The semiconductor substrate has a predetermined lattice direction perpendicular to an upper surface thereof, wherein the predetermined lattice direction is angled toward [0?1] or [01?] from [100], or toward [011] or [0 ii] from [?00] so that the upper surface of the semiconductor substrate comprises at least two lattice planes with different lattice plane directions. The multilayer epitaxial structure has a roughened upper surface perpendicular to the predetermined lattice direction. The invention also discloses a method for fabricating a semiconductor light-emitting device.Type: ApplicationFiled: March 26, 2007Publication date: September 27, 2007Inventors: Ya-Ju Lee, Ta-Cheng Hsu, Ming-Ta Chin, Yen-Wen Chen, Lo Wu-Tsung, Li Chung-Yuan, Min-Hsun Hsieh
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Publication number: 20060289881Abstract: A semiconductor light emitting device including a substrate, a semiconductor light emitting stack, a first electrode, a first transparent oxide conductive layer and a second electrode is provided. The semiconductor light emitting stack is disposed on the substrate and has a first surface region and a second surface region. The first electrode is disposed on the first surface region. The first transparent oxide conductive layer is disposed on the second surface region. The second electrode is disposed on the first transparent oxide conductive layer. The area of the light emitting device is larger than 2.5×105 ?m2, and the distance between the first electrode and the second electrode is between 150 ?m and 250 ?m essentially, and the area of the first electrode and the second electrode is 15%˜25% of that of the light emitting layer.Type: ApplicationFiled: June 2, 2006Publication date: December 28, 2006Inventors: Yen-Wen Chen, Wen-Huang Liu, Wei-Chih Peng
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Publication number: 20060213647Abstract: A heat dissipating device includes: a container body defining an inner space therein and having a fluid passage and opposite upper and lower walls; a working fluid received in the inner space in the container body; a wick structure mounted in the inner space; and a sealing material that seals the fluid passage of the container body. One of the upper and lower walls has a wall portion that is disposed adjacent to the fluid passage and that is depressed in such a manner that the depressed wall portion cooperates with the other of the upper and lower walls to form a sealing mechanism that functions to isolate the fluid passage from the inner space.Type: ApplicationFiled: September 2, 2005Publication date: September 28, 2006Inventors: Jan-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Publication number: 20060213062Abstract: A method for making a heat dissipating device includes the steps of: preparing a container body that has a fluid passage and opposite upper and lower walls, the fluid passage being in fluid communication with an inner space in the container body; vacuuming the inner space through the fluid passage; filling the inner space with a predetermined amount of a working fluid through the fluid passage; and depressing a wall portion of a selected one of the upper and lower walls in such a manner that the depressed wall portion is deformed toward the other of the upper and lower walls so as to form a depression in the selected one of the upper and lower walls, and so as to form a sealing mechanism that functions to isolate the fluid passage from the inner space.Type: ApplicationFiled: September 2, 2005Publication date: September 28, 2006Inventors: Jao-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Publication number: 20060213056Abstract: A manufacturing system for processing a container body into a heat dissipating device includes: a support for supporting the container body thereon; an elastically deformable member covering a periphery of an opening in an upper wall of the container body and defining a cavity in fluid communication with interior of the container body through the opening; a vacuuming device connected to the elastically deformable member for vacuuming the inner space; a working fluid-loading device connected to the elastically deformable member for filling a predetermined amount of the working fluid into the container body; a depressing device including opposite upper and lower pressing members; and a driving mechanism for driving movement of at least one of the upper and lower pressing members.Type: ApplicationFiled: September 2, 2005Publication date: September 28, 2006Inventors: Jao-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Publication number: 20060213063Abstract: A method for making a heat dissipating device includes the steps of: mounting an elastically deformable member on a container body in such a manner that the elastically deformable member covers a periphery of an opening in the container body and that the elastically deformable member cooperates with the container body to define a cavity in fluid communication with an inner space in the container body through the opening; vacuuming the inner space in such a manner that air in the inner space is drawn through the opening and the cavity to the outside of the container body; filling the inner space with a predetermined amount of a working fluid through the opening and the cavity; and forming a sealing mechanism that functions to isolate the inner space from the opening.Type: ApplicationFiled: September 2, 2005Publication date: September 28, 2006Inventors: Jao-Ching Lin, Pei-Pei Ding, Hsiu-Wei Yang, Wen-Hwa Yu, Yen-Wen Chen
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Publication number: 20060022898Abstract: The present invention provides a light emitting diode driver circuit with current compensation. A plurality of LEDs are arranged in matrix form, the panel and the switches have circuit resistance, when plural LEDs in the same column are ON and the current source flows through the circuit resistance, it will cause multiple voltage drops across the circuit resistance. Thus, the voltage of the LEDs and the current source is decreased and the current of the LEDs is decreased, as a result, the brightness of the LEDs will be reduced and become unstable. The present invention copies a set of LED current-source circuit which is additionally provided with an adder circuit, so that the current of the LEDs can be compensated, and thus the brightness of the LED can be maintained.Type: ApplicationFiled: September 9, 2004Publication date: February 2, 2006Applicant: Princeton Technology CorporationInventor: Yen-Wen Chen
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Publication number: 20050136503Abstract: Systems, including compositions and methods, for measuring pH, particularly in cells, organelles, and other samples. The compositions include pH-sensitive fluorescent and fluorogenic 2?,7?-dialkylfluorescein derivatives and associated nonfluorescent precursor compounds. The compositions may permit ratiometric measurement in the excitation spectrum and the emission spectrum. The methods include adding a precursor compound to a sample cell, incubating the sample cell to release the free indicator, illuminating the sample cell, and detecting the fluorescence response of the free indicator.Type: ApplicationFiled: October 4, 2004Publication date: June 23, 2005Inventors: Zhenjun Diwu, Jesse Twu, Guoliang Yi, Luke Lavis, Yen-Wen Chen, Kelly Cassutt
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Patent number: 6800765Abstract: Systems, including compositions and methods, for measuring pH, particularly in cells, organelles, and other samples. The compositions include pH-sensitive fluorescent and fluorogenic 2′,7′-dialkylfluorescein derivatives and associated nonfluorescent precursor compounds. The compositions may permit ratiometric measurement in the excitation spectrum and the emission spectrum. The methods include adding a precursor compound to a sample cell, incubating the sample cell to release the free indicator, illuminating the sample cell, and detecting the fluorescence response of the free indicator.Type: GrantFiled: March 27, 2002Date of Patent: October 5, 2004Assignee: Molecular Devices CorporationInventors: Zhenjun Diwu, Jesse J. Twu, Guoliang Yi, Luke D. Lavis, Yen-Wen Chen, Kelly J. Cassutt
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Publication number: 20030168430Abstract: An etching method with less waste gases. Firstly, provide a substrate covered by a dielectric layer, and put both the substrate and the dielectric layer into a chamber that is coupled with a power source and a C3F8 reactive gases source. Next, provide a plasma inside the chamber under an environment with a low RF power, and a low pressure. Finally, terminate the existence of the plasma and move both the substrate and the etched dielectric later out the chamber.Type: ApplicationFiled: March 11, 2002Publication date: September 11, 2003Applicant: Macronix International Co., Ltd.Inventors: Kuo-Wei Shyu, Shou-Yi Tseng, Tian-Jue Hong, Jung-Yi Wu, Yen-Wen Chen
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Patent number: 6557416Abstract: A high resolution biosensing system for detecting and identifying a biochemical material to be tested by using proportional relationship between frequency variation of oscillation and mass of the biochemical material to be tested comprises a biosensor; an oscillatorfor generating oscillation based on the sensed result; a phase-lock loop circuit receiving the oscillation of the oscillator and generating pulse signals;an ultra-high frequency counter for counting the pulse signals; and a microprocessor for storing and displaying output from the ultra-high frequency counter and for controlling the oscillator. The phase-lock loop circuit generates the pulse signals of a frequency, which is n times the frequency of the oscillator and with a constant phase difference therebetween to trigger the ultra-high frequency counter. Accordingly, the resolution can be raised up to n times.Type: GrantFiled: March 9, 2001Date of Patent: May 6, 2003Assignee: ANT Technology Co., Ltd.Inventors: I-Nan Chang, Chung Chih Lo, Wu Chin Chen, Yen-Wen Chen
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Publication number: 20030068668Abstract: Systems, including compositions and methods, for measuring pH, particularly in cells, organelles, and other samples. The compositions include pH-sensitive fluorescent and fluorogenic 2′,7′-dialkylfluorescein derivatives and associated nonfluorescent precursor compounds. The compositions may permit ratiometric measurement in the excitation spectrum and the emission spectrum. The methods include adding a precursor compound to a sample cell, incubating the sample cell to release the free indicator, illuminating the sample cell, and detecting the fluorescence response of the free indicator.Type: ApplicationFiled: March 27, 2002Publication date: April 10, 2003Inventors: Zhenjun Diwu, Jesse J. Twu, Guoliang Yi, Luke D. Lavis, Yen-Wen Chen, Kelly J. Cassutt