Patents by Inventor Chih-Wei Chu
Chih-Wei Chu 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: 20190221812Abstract: The present invention provides a commercialized Li—S battery is applied in electronic appliance, such as hybrid electric vehicle (HEV), telecommunication, portable electronics, and device for renewable energy like solar and wind. The invention provides a method for manufacturing Li—S battery, comprising the following steps: firstly forming low dimensional materials on one side of a bilayer separator of a Li—S battery is achieved, and then forming a polymer on an other side of the bilayer separator of the Li—S battery to prevent a migration of polysulfide to anode side is completed.Type: ApplicationFiled: January 10, 2019Publication date: July 18, 2019Inventors: Chih-Wei CHU, Nahid KAISAR, Syed Ali ABBAS
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Publication number: 20170229703Abstract: The present invention provides a method of preparing a battery electrode, comprising: (a) providing electroactive particles; (b) mixing the electroactive particles with a graphene-based material to form a composite; and (c) spray coating the composite onto a substrate to form the battery electrode; wherein the percentage of the electroactive particles to the graphene-based material is 40-95 wt %. Furthermore, the present invention provides a high performance battery electrode and lithium sulfur battery or Lithium Metal Oxide-Sulfur battery.Type: ApplicationFiled: August 7, 2014Publication date: August 10, 2017Applicant: ACADEMIA SINICAInventors: Chih-Wei CHU, Lain-Jong LI, Kumar PUSHPENDRA, Lung-Hao HU
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Patent number: 9282611Abstract: A LED driving apparatus and an operating method thereof are disclosed. The LED driving apparatus includes a power, at least one LED string, a LED control unit, and an input voltage detection circuit. At least one LED string is coupled to the power and includes LEDs connected in series. The input voltage detection circuit is coupled to two ends of at least one LED of the LEDs respectively and used to judge whether an input voltage is lower than a LED conducting voltage. The input voltage detection circuit includes a charging capacitance to be charged when the at least one LED string is conducted. If the judged result of the input voltage detection circuit is yes, the input voltage detection circuit will control the charging capacitance having a charging voltage to discharge to the at least one LED string.Type: GrantFiled: November 20, 2013Date of Patent: March 8, 2016Assignee: Raydium Semiconductor CorporationInventors: Chih-Wei Chu, Yu-En Lee, Shu-Kuang Chou
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Publication number: 20150195882Abstract: A series control circuit is disclosed. The series control circuit comprises a master driving control module and N driving control modules. The master driving control module receiving an alternative current voltage is used for transmits a command packet via a data line according to a firmware, wherein the command packet comprises an identification code and a work instruction. The driving control module receives the command packet and determines whether a local address code is equal to the identification code. If the local address code is equal to the identification code, the driving control module transmits a driving signal to a designated driving channel. If the local address code is not equal to the identification code, the driving control module transmits the command packet to next driving control module.Type: ApplicationFiled: April 23, 2014Publication date: July 9, 2015Applicant: EOREX CORPORATIONInventor: CHIH-WEI CHU
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Publication number: 20150114456Abstract: The present invention provides a method for the preparation of low-dimensional materials, comprising mixing a pristine material to be abraded with an organic solvent to form a mixture, abrading the material to be abraded by bead-milling, obtaining a suspension comprising the material of low dimension and the organic solvent, and removing the organic solvent from the suspension to obtain the low-dimensional material.Type: ApplicationFiled: May 5, 2014Publication date: April 30, 2015Applicant: Academia SinicaInventors: Chih Wei CHU, Mohammed Aziz IBRAHEM
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Patent number: 8917028Abstract: A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a voltage generating module. The light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a preset voltage and an activation voltage and includes a light-emitting end, a control end, and a setting end. The light-emitting ends are coupled with the light-emitting units, and the setting ends of the switches are coupled with each other. The voltage generating module includes a plurality of control units and provides a plurality of control voltages to the switches, and each switch is driven to be activated or to be deactivated according to a relation of the preset voltage and a difference between the control voltage and the activation voltage when the input voltage drives the light-emitting units, the switches, and the control units.Type: GrantFiled: July 3, 2013Date of Patent: December 23, 2014Assignee: Raydium Semiconductor CorporationInventors: Chih-Wei Chu, Shu-Kuang Chou
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Patent number: 8917029Abstract: A light-emitting diode (LED) driver is provided. The LED driver, providing a drive voltage for driving an LED circuit according to an input voltage, includes a current regulator, a dimming signal generator, and a boost converter. In response to a pulse width modulation (PWM) dimming signal, the current regulator enables the LED circuit in a first PWM period and disables the LED circuit outside the first PWM period. The dimming generator generates a prolonged PWM dimming signal according to the PWM dimming signal. The prolonged PWM dimming signal has a prolonged period, a length of which is associated with a level of an input voltage. In response to the prolonged PWM dimming signal, the boost converter is enabled in a second PWM period and maintains a level of the drive voltage according to the input voltage.Type: GrantFiled: May 30, 2012Date of Patent: December 23, 2014Assignee: Raydium Semiconductor CorporationInventors: Chih-Wei Chu, Yu-Nan Yen
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Patent number: 8841857Abstract: A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a bias current module, wherein the light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a reference voltage and a critical activation voltage and includes a light-emitting end and a bias end opposite to the light-emitting end, wherein the light-emitting end is coupled with the light-emitting units, and the bias ends of the switches are coupled with each other. The bias current module is coupled with the bias ends of the switches and has an operating bias voltage varying according to the frequency, wherein each switch is driven to be activated or to be deactivated according to a relation of the critical activation voltage and a difference between the reference voltage and the operating bias voltage.Type: GrantFiled: December 17, 2012Date of Patent: September 23, 2014Assignee: Raydium Semiconductor CorporationInventors: Chih-Wei Chu, Yung-Hsiang Yang, Shu-Kuang Chou
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Publication number: 20140145629Abstract: A LED driving apparatus and an operating method thereof are disclosed. The LED driving apparatus includes a power, at least one LED string, a LED control unit, and an input voltage detection circuit. At least one LED string is coupled to the power and includes LEDs connected in series. The input voltage detection circuit is coupled to two ends of at least one LED of the LEDs respectively and used to judge whether an input voltage is lower than a LED conducting voltage. The input voltage detection circuit includes a charging capacitance to be charged when the at least one LED string is conducted. If the judged result of the input voltage detection circuit is yes, the input voltage detection circuit will control the charging capacitance having a charging voltage to discharge to the at least one LED string.Type: ApplicationFiled: November 20, 2013Publication date: May 29, 2014Applicant: Raydium Semiconductor CorporationInventors: Chih-Wei Chu, Yu-En Lee, Shu-Kuang Chou
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Publication number: 20140125228Abstract: A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a voltage generating module. The light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a preset voltage and an activation voltage and includes a light-emitting end, a control end, and a setting end. The light-emitting ends are coupled with the light-emitting units, and the setting ends of the switches are coupled with each other. The voltage generating module includes a plurality of control units and provides a plurality of control voltages to the switches, and each switch is driven to be activated or to be deactivated according to a relation of the preset voltage and a difference between the control voltage and the activation voltage when the input voltage drives the light-emitting units, the switches, and the control units.Type: ApplicationFiled: July 3, 2013Publication date: May 8, 2014Inventors: Chih-Wei Chu, Shu-Kuang Chou
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Patent number: 8629966Abstract: An LCD panel includes a first substrate, a second substrate, a displaying medium and a sealing structure, wherein the second substrate is located at the side opposite to the first substrate and the displaying medium is located between the first substrate and the second substrate for displaying an image. The sealing structure is located between the first substrate and the second substrate to seal the displaying medium, wherein the sealing structure includes an inner wall, an outer wall and a sealant. The inner wall disposed surrounding the displaying medium and the outer wall disposed surrounding the inner wall together form a sealant-disposing space therebetween. The outer wall has a plurality of side wall holes and the sealant is disposed in the sealant-disposing space. In this way, the sealing structure is able to enhance the structure strength in a limited layout space and promote the process margin.Type: GrantFiled: December 10, 2009Date of Patent: January 14, 2014Assignee: Au Optronics CorporationInventors: Chih-Wei Chu, Ming-Che Hsieh, Shih-Yu Wang
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Patent number: 8570272Abstract: An electrophoresis display panel includes a plurality of first sub-pixels, a plurality of second sub-pixels, a plurality of third sub-pixels, and a plurality of white sub-pixels. The first sub-pixels, the second sub-pixels, and the third sub-pixels are suitable for irradiating different light of three primary colors, respectively, while the white sub-pixels are suitable for irradiating white light. Each of the first sub-pixels does not adjoin the second sub-pixels and the third sub-pixels. Each of the second sub-pixels does not adjoin the third sub-pixels. Each of the first sub-pixels adjoins the white sub-pixels exclusively or adjoins the white sub-pixels and other first sub-pixels exclusively.Type: GrantFiled: April 1, 2010Date of Patent: October 29, 2013Assignee: Au Optronics CorporationInventors: Ming-Che Hsieh, Chih-Wei Chu, Shih-Yu Wang
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Publication number: 20130278143Abstract: A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a bias current module, wherein the light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a reference voltage and a critical activation voltage and includes a light-emitting end and a bias end opposite to the light-emitting end, wherein the light-emitting end is coupled with the light-emitting units, and the bias ends of the switches are coupled with each other. The bias current module is coupled with the bias ends of the switches and has an operating bias voltage varying according to the frequency, wherein each switch is driven to be activated or to be deactivated according to a relation of the critical activation voltage and a difference between the reference voltage and the operating bias voltage.Type: ApplicationFiled: December 17, 2012Publication date: October 24, 2013Applicant: RAYDIUM SEMICONDUCTOR CORPORATIONInventors: Chih-Wei Chu, Yung-Hsiang Yang, Shu-Kuang Chou
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Publication number: 20130038233Abstract: A light-emitting diode (LED) driver is provided. The LED driver, providing a drive voltage for driving an LED circuit according to an input voltage, includes a current regulator, a dimming signal generator, and a boost converter. In response to a pulse width modulation (PWM) dimming signal, the current regulator enables the LED circuit in a first PWM period and disables the LED circuit outside the first PWM period. The dimming generator generates a prolonged PWM dimming signal according to the PWM dimming signal. The prolonged PWM dimming signal has a prolonged period, a length of which is associated with a level of an input voltage. In response to the prolonged PWM dimming signal, the boost converter is enabled in a second PWM period and maintains a level of the drive voltage according to the input voltage.Type: ApplicationFiled: May 30, 2012Publication date: February 14, 2013Applicant: Raydium Semiconductor CorporationInventors: Chih-Wei Chu, Yu-Nan Yen
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Patent number: 8350256Abstract: The disclosure is related to organic semiconductor compounds including benzodithieno(3,2-b:2?,3?-d)thiophene (BDTT) and the derivatives of benzodithieno(3,2-b:2?,3?-d)thiophene. The organic compounds of the disclosure have high resistance to the oxidation and high electrical stability. Accordingly, the semiconductor device having an organic semiconductor layer made of the organic compounds of the disclosure has stable electrical performance, and the reliability of the semiconductor device is improved.Type: GrantFiled: July 19, 2010Date of Patent: January 8, 2013Assignee: Industrial Technology Research InstituteInventors: Liang-Hsiang Chen, Ming-Chou Chen, Jing-Yi Yan, Chih-Wei Chu, Yo-Chi Liang, Xiu Zhang
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Patent number: 8089603Abstract: A method of fabricating an LCD panel includes the following steps. A patterned black matrix layer is formed on a first surface of the first substrate, wherein the patterned black matrix layer includes a plurality of black-matrix patterns disposed at boundaries of adjacent first and second sub-pixel regions. Then, a first color filter layer is formed and patterned such that the patterned first color filter layer is disposed in the first sub-pixel regions and covers surfaces of the black-matrix patterns at a side of first sub-pixel regions concurrently. After that, a second color filter layer is formed and patterned so that the patterned second color filter layer is disposed in the second sub-pixel regions. A plurality of spacers are disposed on the first surface, disposed on the surfaces of the black-matrix patterns and the surface of the first color filter layer covering the black-matrix patterns.Type: GrantFiled: January 21, 2011Date of Patent: January 3, 2012Assignee: Au Optronics Corp.Inventors: Chih-Wei Chu, Ming-Che Hsieh, Shih-Yu Wang
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Patent number: 8053769Abstract: A transistor includes a first semiconductor layer associated with a first electrode; a second semiconductor layer associated with a second electrode; and a discontinuous layer between the first and second semiconductor layer. The discontinuous layer has a plurality of openings being formed on a non-uniform organic surface. Applications of the transistor include an inverter that operates at low supply voltage and high frequency.Type: GrantFiled: September 23, 2009Date of Patent: November 8, 2011Assignee: Academia SinicaInventors: Chih-Wei Chu, Shiau-Shin Cheng
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Patent number: 8035791Abstract: A display panel includes a first substrate, a second substrate, a sealant, a plurality of spacers, and a display medium layer. The first substrate has a pixel array and a peripheral circuit. The sealant, the spacers, and the display medium layer are disposed between the first and the second substrate. The pixel array is surrounded by the sealant and located on a portion of the peripheral circuit. A multi-layer conductive wiring structure is disposed in the region of the peripheral circuit covered with the sealant. The multi-layer conductive wiring structure includes first and second conductive wirings. The second conductive wirings are connected to the pixel array via the first conductive wirings. An extending direction of the first conductive wirings is substantially different from that of the second conductive wirings. The spacers are distributed at two opposite sides of the sealant and respectively located between two adjacent first conductive wirings.Type: GrantFiled: July 30, 2008Date of Patent: October 11, 2011Assignee: Au Optronics CorporationInventors: Chih-Wei Chu, Ming-Che Hsieh, Chung-Wei Liu, Shih-Yu Wang
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Patent number: 7981965Abstract: A fiber modifier for improving thermo-bonding affinity of a composite fiber to a natural fiber includes a blend of maleic anhydride and a copolymer component selected from a copolymer of ethylene and acrylic acid, a copolymer of ethylene and methacrylic acid, and combinations thereof. A core and sheath composite fiber including a sheath component made from a fiber composition that contains the above fiber modifier is also disclosed.Type: GrantFiled: August 9, 2010Date of Patent: July 19, 2011Assignee: Far Eastern New Century CorporationInventors: Ru-Yu Wu, Chih-Wei Chu, Shih-Hsiung Chen, Chao-Yuan Chiang
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Patent number: 7973904Abstract: An liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first and second substrates, a patterned black matrix layer disposed on the surface of the first substrate, a patterned first color filter layer disposed on the first substrate having a protruding portion that covers a portion of the patterned black matrix layer, a plurality of first ball spacers disposed on the surface of the patterned black matrix layer, and a plurality second ball spacers disposed on the surface of the protruding portion of the patterned first color filter layer. The bottom surfaces of the second ball spacers and the bottom surfaces of the first ball spacers respectively are disposed on different planes in the liquid crystal display panel.Type: GrantFiled: January 20, 2009Date of Patent: July 5, 2011Assignee: AU Optronics Corp.Inventors: Chih-Wei Chu, Ming-Che Hsieh, Shih-Yu Wang