Patents by Inventor Cheng-Han Hsieh
Cheng-Han Hsieh 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).
-
Publication number: 20200352175Abstract: An antibacterial composition is provided. The antibacterial composition includes a lignin, a solvent, and a silane compound. The lignin is dispersed in the solvent, and the silane compound is dispersed in the solvent. The antibacterial composition further includes an alkaline compound so that the pH of the antibacterial composition is greater than 7. The weight ratio of the lignin to the solvent is between 1:5 to 1:20, and the weight ratio of the lignin to the silane compound is between 50:1 to 200:1. In addition, an antibacterial structure is also provided.Type: ApplicationFiled: May 7, 2020Publication date: November 12, 2020Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Han HSIEH, Kung-Hsun HUANG, En-Nan LIU
-
Patent number: 10731034Abstract: A polyurethane urea composition and a preparation method thereof are provided. The method includes mixing and reacting an urea and an amine compound to obtain a polyurea oligomer, and mixing and reacting the polyurea oligomer and a cyclic carbonate compound to obtain a polyurethane urea composition having a repeating unit represented by formula I: —R2—U2—U1—U2—R2—, wherein ??[formula I] U1 is a is an integer of 1 to 10000, each U2 is independently each R1 is independently a C1 to C20 alkylene group, a C3 to C20 cycloalkylene group, a C8 to C20 alkylarylene group, a polyether group having a weight-average molecular weight of 100 g/mol to 10000 g/mol, or a combination thereof, and each R2 is independently an aliphatic group, a cycloaliphatic group, an aromatic group substituted by an alkyl or an unsubstituted aromatic group, an oligo polyether group, an oligo polyester group, or a combination thereof.Type: GrantFiled: March 27, 2018Date of Patent: August 4, 2020Assignee: Industrial Technology Research InstituteInventors: Mao-Lin Hsueh, Yi-Zhen Chen, Hsiao-Chun Yeh, Yung-Chan Lin, Cheng-Han Hsieh
-
Publication number: 20200219468Abstract: A head mounted displaying system and an image generating method thereof are provided. The head mounted displaying system includes a displaying device, a movement sensor, a frame, an image generating system and a physiological information sensor. The movement sensor senses a movement of an object or senses a movement of the displaying device. The frame is configured to fix the displaying device. The image generating system is coupled to the displaying device. The image generating system displays an image through the displaying device. The image includes a first part. The first part is irrelative to a sensing result of the movement sensor. The physiological information sensor is disposed at the frame and coupled to the image generating system. The image generating system adjusts the first part of the image displayed by the displaying device according to physiological information sensed by the physiological information sensor.Type: ApplicationFiled: December 4, 2019Publication date: July 9, 2020Applicant: HTC CorporationInventors: Chien-Min Wu, Huan-Hsin Li, Cheng-Han Hsieh
-
Publication number: 20200124443Abstract: An electronic device is provided. The electronic device includes an inertial-measurement unit, an environmental-parameter database, and a computation unit. The inertial-measurement unit is configured to detect inertial information of the electronic device to generate sensor data. The computation unit is configured to perform pose estimation according to the sensor data to obtain a first pose. In response to the electronic device being in a non-moving state, the computation unit performs pose calibration on the first pose according to an environmental parameter in the environmental-parameter database corresponding to a current location at which the electronic device is located.Type: ApplicationFiled: October 19, 2018Publication date: April 23, 2020Applicant: HTC CorporationInventors: Yan-Chen CHEN, Cheng-Han HSIEH, Shin-Hao DAI, Huan-Hsin LI
-
Patent number: 10414852Abstract: A biomass-based thermoplastic polyurethane is provided. The biomass-based thermoplastic polyurethane is a reaction product of a composition. The composition includes 1-50 parts by weight of a modified lignin, 50-99 parts by weight of a first polyol, and 40-60 parts by weight of a diisocyanate. The modified lignin has an OH value of less than 3.0 mmol/g. The sum of the modified lignin and the first polyol is 100 parts by weight.Type: GrantFiled: December 28, 2017Date of Patent: September 17, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Pin Chuang, Yi-Che Su, Yun-Ya Huang, Chao-Chieh Chiang, Cheng-Han Hsieh
-
Publication number: 20190202971Abstract: A biomass-based thermoplastic polyurethane is provided. The biomass-based thermoplastic polyurethane is a reaction product of a composition. The composition includes 1-50 parts by weight of a modified lignin, 50-99 parts by weight of a first polyol, and 40-60 parts by weight of a diisocyanate. The modified lignin has an OH value of less than 3.0 mmol/g. The sum of the modified lignin and the first polyol is 100 parts by weight.Type: ApplicationFiled: December 28, 2017Publication date: July 4, 2019Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Pin CHUANG, Yi-Che SU, Yun-Ya HUANG, Chao-Chieh CHIANG, Cheng-Han HSIEH
-
Publication number: 20190185668Abstract: A polyurethane urea composition and a preparation method thereof are provided. The method includes mixing and reacting an urea and an amine compound to obtain a polyurea oligomer, and mixing and reacting the polyurea oligomer and a cyclic carbonate compound to obtain a polyurethane urea composition having a repeating unit represented by formula I: —R2—U2—U1—U2—R2, wherein ??[formula I] U1 is a is an integer of 1 to 10000, each U2 is independently each R1 is independently a C1 to C20 alkyl group, a C3 to C20 cycloalkyl group, a C8 to C20 alkylaryl group, a polyether group having a weight-average molecular weight of 100 g/mol to 10000 g/mol, or a combination thereof, and each R2 is independently an aliphatic group, a cycloaliphatic group, an aromatic group substituted by an alkyl or an unsubstituted aromatic group, an oligo polyether group, an oligo polyester group, or a combination thereof.Type: ApplicationFiled: March 27, 2018Publication date: June 20, 2019Applicant: Industrial Technology Research InstituteInventors: Mao-Lin Hsueh, Yi-Zhen Chen, Hsiao-Chun Yeh, Yung-Chan Lin, Cheng-Han Hsieh
-
Patent number: 10140908Abstract: A LED driving circuit comprises a high bit driving circuit, a low bit driving circuit and a driving output terminal. The high bit driving circuit coupled to a high bit signal of the grayscale signal determines a first current continuously driven during a grayscale period according to the value of the high bit signal. The first current is invariant during the grayscale period. The low bit driving circuit coupled to a low bit signal of the grayscale signal determines a second current driven in at least two time intervals during the grayscale period according to the value of the low bit signal. The driving output terminal coupled to the high bit driving circuit and the low bit driving circuit outputs the driving current added by the first current and the second current. Accordingly, the LED display can be improved with higher refresh rate and/or better uniformity in low grayscale.Type: GrantFiled: September 9, 2016Date of Patent: November 27, 2018Assignee: MY-SEMI INC.Inventors: Chun-Ting Kuo, Cheng-Han Hsieh
-
Patent number: 10140927Abstract: A driving circuit for driving a light emitting unit includes a gray scale generation circuit and a driving unit, and a gray scale generation circuit, includes a shift register unit and a data storage unit. The shift register unit receives a luminance-related data, and the shift register unit is a k-bit shift register unit. The data storage unit has parallel input ends and a serial output end. The data storage unit receives the luminance-related data via its parallel input ends and serially outputs bits of the luminance-related data to generate a serial signal. The data storage unit determines time points to output different bits of the serial signal to generate a gray-scale control signal according to a serial-out control signal. The driving unit is coupled to the gray scale generation circuit to adjust a light-emitting time of the light emitting unit according to the gray-scale control signal.Type: GrantFiled: August 22, 2017Date of Patent: November 27, 2018Assignee: MY-SEMI INC.Inventors: Chun-Ting Kuo, Cheng-Han Hsieh
-
Publication number: 20180268761Abstract: A driving circuit for driving a light emitting unit includes a gray scale generation circuit and a driving unit, and a gray scale generation circuit, includes a shift register unit and a data storage unit. The shift register unit receives a luminance-related data, and the shift register unit is a k-bit shift register unit. The data storage unit has parallel input ends and a serial output end. The data storage unit receives the luminance-related data via its parallel input ends and serially outputs bits of the luminance-related data to generate a serial signal. The data storage unit determines time points to output different bits of the serial signal to generate a gray-scale control signal according to a serial-out control signal. The driving unit is coupled to the gray scale generation circuit to adjust a light-emitting time of the light emitting unit according to the gray-scale control signal.Type: ApplicationFiled: August 22, 2017Publication date: September 20, 2018Inventors: CHUN-TING KUO, CHENG-HAN HSIEH
-
Publication number: 20170270845Abstract: A LED driving circuit comprises a high bit driving circuit, a low bit driving circuit and a driving output terminal. The high bit driving circuit coupled to a high bit signal of the grayscale signal determines a first current continuously driven during a grayscale period according to the value of the high bit signal. The first current is invariant during the grayscale period. The low bit driving circuit coupled to a low bit signal of the grayscale signal determines a second current driven in at least two time intervals during the grayscale period according to the value of the low bit signal. The driving output terminal coupled to the high bit driving circuit and the low bit driving circuit outputs the driving current added by the first current and the second current. Accordingly, the LED display can be improved with higher refresh rate and/or better uniformity in low grayscale.Type: ApplicationFiled: September 9, 2016Publication date: September 21, 2017Inventors: CHUN-TING KUO, CHENG-HAN HSIEH
-
Patent number: 9725552Abstract: A HMF-based phenol formaldehyde resin is provided. The HMF-based phenol formaldehyde resin has the formula In the formula, A includes non-substituted phenol, m-cresol, p-cresol, hydroquinone or disubstituted phenol, B includes phosphate ester, phosphate, phosphine oxide, phosphinate ester or phosphinate, and n is 3-20, wherein the disubstituted phenol has substituted groups including H, halide, C1-C20 alkyl group, C1-C20 alkenyl group, C1-C20 cycloalkyl group, C1-C20 cycloalkenyl group, homocyclic aromatic group or heterocyclic aromatic group.Type: GrantFiled: October 13, 2015Date of Patent: August 8, 2017Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Han Hsieh, Hung-Jie Liou
-
Publication number: 20170054094Abstract: This invention provides a transition metal carbene complexes and the electroluminescent application thereof. Through employing different N?N heteroleptic ligand, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. The mentioned transition metal carbene complex can be applied in luminescent device, and the luminescent device can display wide-range color tuning ability with high luminescent efficiency while employing different N?N heteroleptic ligand in the transition metal carbene comlex.Type: ApplicationFiled: November 8, 2016Publication date: February 23, 2017Inventors: CHIEN-HONG CHENG, KUN-YI LU, YU-HAN OU YANG, CHENG-HAN HSIEH
-
Patent number: 9518217Abstract: This invention provides transition metal carbene complexes and the electroluminescent application thereof. Through employing different N^N heteroleptic ligand, as the following, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. The mentioned transition metal carbene complex can be applied in luminescent device, and the luminescent device can display wide-range color tuning ability with high luminescent efficiency while employing different N^N heteroleptic ligand in the transition metal carbene complex.Type: GrantFiled: September 5, 2012Date of Patent: December 13, 2016Assignee: E INK HOLDINGS INC.Inventors: Chien-Hong Cheng, Kun-Yi Lu, Yu-Han Ou Yang, Cheng-Han Hsieh
-
Publication number: 20160102165Abstract: A HMF-based phenol formaldehyde resin is provided. The HMF-based phenol formaldehyde resin has the formula In the formula, A includes non-substituted phenol, m-cresol, p-cresol, hydroquinone or disubstituted phenol, B includes phosphate ester, phosphate, phosphine oxide, phosphinate ester or phosphinate, and n is 3-20, wherein the disubstituted phenol has substituted groups including H, halide, C1-C20 alkyl group, C1-C20 alkenyl group, C1-C20 cycloalkyl group, C1-C20 cycloalkenyl group, homocyclic aromatic group or heterocyclic aromatic group.Type: ApplicationFiled: October 13, 2015Publication date: April 14, 2016Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Han HSIEH, Hung-Jie LIOU
-
Patent number: 9099044Abstract: A driving apparatus for driving at least one first light emitting diode unit and a second light emitting diode unit includes a data transmitting unit and a driving unit. The data transmitting unit is used for receiving and storing driving data. The driving data includes first data corresponding to a first driving signal and second data corresponding to a second driving signal. The driving unit divides the first driving signal into a plurality of first sub-driving signals and the second driving signal into a plurality of second sub-driving signals, and then alternately outputs the first sub-driving signals and the second sub-driving signals to alternately drive the first light emitting diode unit and the second light emitting diode unit.Type: GrantFiled: October 5, 2010Date of Patent: August 4, 2015Assignee: MY-SEMI Inc.Inventors: Chun-Ting Kuo, Chun-Fu Lin, Cheng-Han Hsieh
-
Patent number: 8970132Abstract: A lighting device controlling chip, an apparatus, a system and an addressing method thereof are provided. The lighting device has a trigger terminal for receiving a first setting voltage, an output terminal for outputting a second setting voltage and a signal receiving interface for receiving a data packet having a plurality of serially transmitted data slots. The lighting device controlling chip may automatically set an address thereof according to a voltage level of the first setting voltage and a counting signal corresponding to the number of the received data slots.Type: GrantFiled: September 13, 2011Date of Patent: March 3, 2015Assignee: My-Semi Inc.Inventors: Chun-Fu Lin, Chun-Ting Kuo, Cheng-Han Hsieh
-
Patent number: 8773414Abstract: A driving circuit of a light emitting diode (LED) and a ghost phenomenon elimination circuit thereof are disclosed. The ghost phenomenon elimination circuit which includes a ghost phenomenon elimination unit and a counter unit may determine a black insertion period according to a gray scale clock signal, and output an enable signal to the ghost phenomenon elimination unit during the black insertion period. The ghost phenomenon elimination unit may pull up the voltage levels at current driving terminals of the driving circuit so as to prevent the ghost phenomenon from occurring.Type: GrantFiled: July 20, 2012Date of Patent: July 8, 2014Assignee: My-Semi Inc.Inventors: Chun-Fu Lin, Chun-Ting Kuo, Cheng-Han Hsieh
-
Patent number: 8598803Abstract: A driving circuit of a light emitting diode (LED), including a driving unit, a current pre-charging unit and a feedback unit, is provided. The driving unit outputs a driving power to drive the LEDs and outputs at least one first feedback signal according to the current conducted in the LEDs. The current pre-charging unit is coupled to an output of the driving unit to provide a current path to the driving unit and generates a second feedback signal. One of the at least one first feedback signal is selected to adjust the driving power when the enable signal is at a first logic level; the second feedback signal is selected to adjust the driving power when the enable signal is at a second logic level so as to maintain a current to drive the LEDs.Type: GrantFiled: December 22, 2010Date of Patent: December 3, 2013Assignee: MY-Semi Inc.Inventors: Chun-Ting Kuo, Chun-Fu Lin, Cheng-Han Hsieh
-
Patent number: D803315Type: GrantFiled: December 13, 2016Date of Patent: November 21, 2017Assignee: Ipevo Corp.Inventor: Cheng-Han Hsieh