Patents by Inventor Wei-Hsien Chen
Wei-Hsien 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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Publication number: 20250289937Abstract: An anti-glare film is disclosed. The anti-glare film comprises a transparent substrate and an anti-glare layer comprising an acrylic binder resin, an acrylate-ether-group-containing surface active agent and a plurality of silica nanoparticles, wherein the silica nanoparticles are flocculated into a micro-floccule with an average secondary particle diameter of 1,600 nm to 3,300 nm. The present anti-glare film can provide a reliable anti-glare property with a low haze.Type: ApplicationFiled: March 15, 2024Publication date: September 18, 2025Applicant: BenQ Materials CorporationInventors: Gang-Lun Fan, Wei-Hsien Chen, Kuo-Hsuan Yu
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Patent number: 11697741Abstract: An anti-glare film is disclosed. The anti-glare film comprises a transparent substrate and an anti-glare layer comprising an acrylic binder resin, a polyether-modified siloxane and a plurality of silica nanoparticles, wherein the silica nanoparticles are flocculated into a micro-floccule with an average secondary particle diameter of 1,500 nm to 3,100 nm. The present anti-glare film can provide a reliable anti-glare property with low haze and fine surface.Type: GrantFiled: October 22, 2020Date of Patent: July 11, 2023Assignee: BenQ Materials CorporationInventors: Gang-Lun Fan, Wei-Hsien Chen, Kuo-Hsuan Yu
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Patent number: 11353629Abstract: An anti-glare film is disclosed. The anti-glare film comprises a poly(methyl methacrylate) (PMMA) base film and an anti-glare layer comprising an acrylic binder resin and organic microparticles, wherein the anti-glare layer comprises an miscible sub-layer adjacent to the interface between the anti-glare layer and the base film for urging the organic microparticles toward the upper portion of the anti-glare layer to form an anti-glare sub-layer with an uneven surface and wherein the average thickness of the miscible layer is at least 40 percent of the total thickness of the anti-glare layer and a ratio of the average thickness of the anti-glare sub-layer to the diameter of the microparticle is between 0.45 to 1.1.Type: GrantFiled: October 16, 2019Date of Patent: June 7, 2022Assignee: BenQ Materials CorporationInventors: Gang-Lun Fan, Wei-Hsien Chen, Kuo-Hsuan Yu
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Publication number: 20210388210Abstract: An anti-glare film is disclosed. The anti-glare film comprises a transparent substrate and an anti-glare layer comprising an acrylic binder resin, a polyether-modified siloxane and a plurality of silica nanoparticles, wherein the silica nanoparticles are flocculated into a micro-floccule with an average secondary particle diameter of 1,500 nm to 3,100 nm. The present anti-glare film can provide a reliable anti-glare property with low haze and fine surface.Type: ApplicationFiled: October 22, 2020Publication date: December 16, 2021Inventors: Gang-Lun Fan, Wei-Hsien Chen, Kuo-Hsuan Yu
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Publication number: 20210388211Abstract: An anti-glare film is disclosed. The anti-glare film comprises a transparent substrate and an anti-glare layer comprising an acrylic binder resin, an acrylate-ether-group-containing surface active agent and a plurality of silica nanoparticles, wherein the silica nanoparticles are flocculated into a micro-floccule with an average secondary particle diameter of 1,600 nm to 3,300 nm. The present anti-glare film can provide a reliable anti-glare property with a low haze.Type: ApplicationFiled: October 22, 2020Publication date: December 16, 2021Inventors: Gang-Lun Fan, Wei-Hsien Chen, Kuo-Hsuan Yu
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Publication number: 20200363561Abstract: An anti-glare film is disclosed. The anti-glare film comprises a poly(methyl methacrylate) (PMMA) base film and an anti-glare layer comprising an acrylic binder resin and organic microparticles, wherein the anti-glare layer comprises an miscible sub-layer adjacent to the interface between the anti-glare layer and the base film for urging the organic microparticles toward the upper portion of the anti-glare layer to form an anti-glare sub-layer with an uneven surface and wherein the average thickness of the miscible layer is at least 40 percent of the total thickness of the anti-glare layer and a ratio of the average thickness of the anti-glare sub-layer to the diameter of the microparticle is between 0.45 to 1.1.Type: ApplicationFiled: October 16, 2019Publication date: November 19, 2020Inventors: Gang-Lun Fan, Wei-Hsien Chen, Kuo-Hsuan Yu
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Publication number: 20130147560Abstract: A low noise amplifier with back-to-back connected diodes and a back-to-back connected diode with high impedance thereof are provided. The low noise amplifier includes a first operational amplifier (OP) and at least two first back-to-back connected diodes. The back-to-back connected diode with high impedance is formed from at least one MOS FET operated within a cut-off region. The first back-to-back connected diodes are connected electrically between the first input end and the first output end, and between the second input end and the second output end, of the first OP respectively. By the implementation of the present invention, the low noise amplifier is not only low noise, but also with low energy consumption, high stability, low circuitry complexity, and easily controlled manufacturing process.Type: ApplicationFiled: February 29, 2012Publication date: June 13, 2013Applicant: National Chip Implementation Center National Applied Research LaboratoriesInventors: Wei-Hsien CHEN, Kuei-Cheng Lin, Bing-Song Chen, Chien-Chih Lin
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Patent number: 8441313Abstract: A current-mode analog baseband apparatus is provided. The apparatus includes a current-mode low-order filter, a current-mode programmable gain amplifier (PGA) unit and a high-order filter. The input impedance is smaller than the output impedance in the current-mode low-order filter. An input terminal of the current-mode PGA unit is connected to an output terminal of the current-mode low-order filter. An input terminal of the high-order filter is connected to an output terminal of the current-mode PGA unit.Type: GrantFiled: June 22, 2012Date of Patent: May 14, 2013Assignee: Industrial Technology Research InstituteInventors: Horng-Yuan Shih, Kai-Cheung Juang, Wei-Hsien Chen
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Patent number: 8427230Abstract: A current-mode analog baseband apparatus is provided. The apparatus includes a current-mode low-order filter, a current-mode programmable gain amplifier (PGA) unit and a high-order filter. The input impedance is smaller than the output impedance in the current-mode low-order filter. An input terminal of the current-mode PGA unit is connected to an output terminal of the current-mode low-order filter. An input terminal of the high-order filter is connected to an output terminal of the current-mode PGA unit.Type: GrantFiled: August 13, 2010Date of Patent: April 23, 2013Assignee: Industrial Technology Research InstituteInventors: Horng-Yuan Shih, Kai-Cheung Juang, Wei-Hsien Chen
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Publication number: 20120262228Abstract: A current-mode analog baseband apparatus is provided. The apparatus includes a current-mode low-order filter, a current-mode programmable gain amplifier (PGA) unit and a high-order filter. The input impedance is smaller than the output impedance in the current-mode low-order filter. An input terminal of the current-mode PGA unit is connected to an output terminal of the current-mode low-order filter. An input terminal of the high-order filter is connected to an output terminal of the current-mode PGA unit.Type: ApplicationFiled: June 22, 2012Publication date: October 18, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Horng-Yuan Shih, Kai-Cheung Juang, Wei-Hsien Chen, Huan-Ke Chiu
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Patent number: 8289080Abstract: A current-mode amplifier including an input stage, a feedback circuit and an output stage is provided. The input stage has an input terminal for receiving an input current of the current-mode amplifier. The input stage generates a corresponding inner current in accordance with the input current and a feedback current. The feedback circuit is connected to the input stage. The feedback circuit generates the corresponding feedback current in accordance with the inner current of the input stage. An input terminal of the output stage is connected to an output terminal of the input stage. An output terminal of the output stage serves as an output terminal of the current-mode amplifier.Type: GrantFiled: August 13, 2010Date of Patent: October 16, 2012Assignee: Industrial Technology Research InstituteInventors: Horng-Yuan Shih, Wei-Hsien Chen, Kai-Cheung Juang
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Publication number: 20120019323Abstract: A current-mode amplifier including an input stage, a feedback circuit and an output stage is provided. The input stage has an input terminal for receiving an input current of the current-mode amplifier. The input stage generates a corresponding inner current in accordance with the input current and a feedback current. The feedback circuit is connected to the input stage. The feedback circuit generates the corresponding feedback current in accordance with the inner current of the input stage. An input terminal of the output stage is connected to an output terminal of the input stage. An output terminal of the output stage serves as an output terminal of the current-mode amplifier.Type: ApplicationFiled: August 13, 2010Publication date: January 26, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Horng-Yuan Shih, Wei-Hsien Chen, Kai-Cheung Juang
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Publication number: 20120019314Abstract: A current-mode analog baseband apparatus is provided. The apparatus includes a current-mode low-order filter, a current-mode programmable gain amplifier (PGA) unit and a high-order filter. The input impedance is smaller than the output impedance in the current-mode low-order filter. An input terminal of the current-mode PGA unit is connected to an output terminal of the current-mode low-order filter. An input terminal of the high-order filter is connected to an output terminal of the current-mode PGA unit.Type: ApplicationFiled: August 13, 2010Publication date: January 26, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Horng-Yuan Shih, Kai-Cheung Juang, Wei-Hsien Chen, Huan-Ke Chiu
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Publication number: 20120019325Abstract: A current-mode amplifier including an input stage, a feedback circuit and an output stage is provided. The input stage has an input terminal for receiving an input current of the current-mode amplifier. The input stage generates a corresponding inner current in accordance with the input current and a feedback current. The feedback circuit is connected to the input stage. The feedback circuit generates the corresponding feedback current in accordance with the inner current of the input stage. An input terminal of the output stage is connected to an output terminal of the input stage. An output terminal of the output stage serves as an output terminal of the current-mode amplifier.Type: ApplicationFiled: August 13, 2010Publication date: January 26, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Horng-Yuan Shih, Wei-Hsien Chen, Kai-Cheung Juang
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Patent number: 7629906Abstract: A circuit and a method for calibrating the direct-current offset in the signal output from a signal processing unit are provided. The calibration circuit includes a 1-bit quantizer, a control logic unit and a digital-to-analog converter. The 1-bit quantizer is coupled to the output end of the signal processing unit for receiving and detecting a direct-current offset component in the output signal so as to obtain quantization information. The control logic unit is coupled to the 1-bit quantizer for sequentially setting one of a plurality of bits of a compensation value and updating the set bit according to the quantization information. The digital-to-analog converter is coupled to the control logic unit for compensating the direct-current offset component in the signal output from the signal processing unit according to the compensation value.Type: GrantFiled: May 21, 2008Date of Patent: December 8, 2009Assignee: Industrial Technology Research InstituteInventors: Kai-Cheung Juang, Wei-Hsien Chen, Horng-Yuan Shih
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Publication number: 20090167577Abstract: A circuit and a method for calibrating the direct-current offset in the signal output from a signal processing unit are disclosed. The calibration circuit includes a 1-bit quantizer, a control logic unit and a digital-to-analog converter. The 1-bit quantizer is coupled to the output end of the signal processing unit for receiving and detecting a direct-current offset component in the output signal so as to obtain quantization information. The control logic unit is coupled to the 1-bit quantizer for sequentially setting one of a plurality of bits of a compensation value and updating the set bit according to the quantization information. The digital-to-analog converter is coupled to the control logic unit for compensating the direct-current offset component in the signal output from the signal processing unit according to the compensation value.Type: ApplicationFiled: May 21, 2008Publication date: July 2, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kai-Cheung Juang, Wei-Hsien Chen, Horng-Yuan Shih