Patents by Inventor Chien-Hung Liao
Chien-Hung Liao 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: 11973164Abstract: A light-emitting device includes a substrate including a top surface; a semiconductor stack including a first semiconductor layer, an active layer and a second semiconductor layer formed on the substrate, wherein a portion of the top surface is exposed; a distributed Bragg reflector (DBR) formed on the semiconductor stack and contacting the portion of the top surface of the substrate; a metal layer formed on the distributed Bragg reflector (DBR), contacting the portion of the top surface of the substrate and being insulated with the semiconductor stack; and an insulation layer formed on the metal layer and contacting the portion of the top surface of the substrate.Type: GrantFiled: January 3, 2023Date of Patent: April 30, 2024Assignee: EPISTAR CORPORATIONInventors: Che-Hung Lin, Chien-Chih Liao, Chi-Shiang Hsu, De-Shan Kuo, Chao-Hsing Chen
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Publication number: 20240113429Abstract: An electronic device including a bracket and an antenna is provided. The bracket includes first, second, third, and fourth surfaces. The antenna includes a radiator. The radiator includes first, second, third, and fourth portions. The first portion is located on the first surface and includes connected first and second sections. The second portion is located on the second surface and includes third, fourth, fifth, and sixth sections. The third section, the fourth section, and the fifth sections are bent and connected to form a U shape. The third portion is located on the third surface and is connected to the second section and the fourth section. The fourth portion is located on the fourth surface and is connected to the fifth section, the sixth section, and the third portion. The radiator is adapted to resonate at a low frequency band and a first high frequency band.Type: ApplicationFiled: August 16, 2023Publication date: April 4, 2024Applicant: PEGATRON CORPORATIONInventors: Chien-Yi Wu, Chao-Hsu Wu, Sheng-Chin Hsu, Chia-Hung Chen, Chih-Wei Liao, Hau Yuen Tan, Hao-Hsiang Yang, Shih-Keng Huang
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Publication number: 20240072411Abstract: An electronic device includes a metal back cover, a metal frame, a first antenna module and a second antenna module. The metal frame includes a first and a second disconnection portion, a first and a second connection portion. The first and the second connection portion are connected to the metal back cover. The first disconnection portion is separated from the first connection portion, the metal back cover and the second disconnection portion to form a first slot. The second disconnection portion is connected to the second connection portion and is separated from the metal back cover to form a second slot. The first antenna module is connected to the first disconnection portion, and forms a first antenna path. The second antenna module is connected to the second disconnection portion, and forms a second and a third antenna path with the second disconnection portion and the metal back cover.Type: ApplicationFiled: July 28, 2023Publication date: February 29, 2024Applicant: Pegatron CorporationInventors: Chien-Yi Wu, Hau Yuen Tan, Chao-Hsu Wu, Chih-Wei Liao, Chia-Hung Chen, Chen-Kuang Wang, Wen-Hgin Chuang, Chia-Hong Chen, Hsi Yung Chen
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Publication number: 20220361073Abstract: The present invention provides a control method of a communication device, wherein the control method includes the steps of: controlling a wireless communication module of the communication device to use a first channel to communicate with a wireless device; when the wireless communication module is using the first channel, detecting a plurality of channels to generate a plurality of quality parameters, respectively; referring to the plurality of quality parameters to determine if the plurality of channels have a second channel whose quality parameter is better than the quality parameter of the first channel; and if there is the second channel whose quality parameter is better than the quality parameter of the first channel, selectively controlling the wireless communication module to use the second channel to communicate with the wireless device.Type: ApplicationFiled: March 31, 2022Publication date: November 10, 2022Applicant: Realtek Semiconductor Corp.Inventor: Chien-Hung Liao
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Publication number: 20220330091Abstract: The present invention provides a control method of a communication device, wherein the control method includes the steps of: controlling a wireless communication module of the communication device to use a first channel to communicate with an access point; detecting a plurality of channels to generate a plurality of first quality parameters, respectively, to generate a first channel detection result; receiving a second channel detection result from the access point, wherein the second channel detection result comprises a plurality of second quality parameters respectively generated by the access point detecting at least part of the plurality of channels; calculating a plurality of final quality parameters according to the first channel detection result and the second channel detection result; and determining whether to control the wireless communication module to switch from the first channel to a second channel according to the plurality of final quality parameters.Type: ApplicationFiled: March 10, 2022Publication date: October 13, 2022Applicant: Realtek Semiconductor Corp.Inventor: Chien-Hung Liao
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Patent number: 11080852Abstract: The present invention seeks to provide a method of analyzing medical image, the method comprises receiving a medical image; applying a model stored in a memory; analyzing the medical image based on the model; determining the medical image including a presence of fracture; and, transmitting an indication indicative of the determination.Type: GrantFiled: August 19, 2019Date of Patent: August 3, 2021Inventors: Chien-Hung Liao, Chi-Tung Cheng, Tsung-Ying Ho, Tao-Yi Lee, Ching-Cheng Chou
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Publication number: 20210129272Abstract: The present invention provides a solder for nickel based superalloy soldering. The solder includes 11 wt % to 13 wt % chromium, 5.0 wt % to 7.0 wt % aluminum, 3.5 wt % to 5.0 wt % molybdenum, 1.5 wt % to 2.5 wt % niobium, 0.4 wt % to 1.0 wt % titanium, 0.03 wt % to 0.07 wt % carbon, 0.05 wt %-0.15 wt % zirconium, 0.001 wt % to 0.1 wt % boron and remainder nickel or other inevitable impurities, thereby reducing occurrence of soldering hot cracking and insufficient weld bead strength in nickel based superalloy raw materials during soldering.Type: ApplicationFiled: October 30, 2019Publication date: May 6, 2021Inventors: Chao-Yu Lin, Chao-Nan Wei, Chien-Hung Liao, Hui-Yun Po, Sheng-Long Lee, Yu-Chih Tseng, Vun-Shing Chengn
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Patent number: 10906099Abstract: A preparation method of high purity and densified tungsten-titanium metal which mixes titanium metal powder and tungsten metal powder together; adds metallic nitrates (such as nickel nitrate) as combustion improvers; then taking into the account of the characteristics of metal nitrate, which is soluble in alcohols to form a liquidous precursor, adds metal powder to mix together thoroughly, so that the sintering agent is expected to be colloid and uniformly spread among the tungsten-titanium metal powder. The preparation method significantly reduces the ratio of the combustion improver during the preparation of the high purity and densified tungsten-titanium target material.Type: GrantFiled: August 17, 2018Date of Patent: February 2, 2021Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Mau-Sheng Chiou, Chien-Hung Liao, Chao-Nan Wei, Hui-Yun Bor, Kuan-Zong Fung
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Publication number: 20200058123Abstract: The present invention seeks to provide a method of analyzing medical image, the method comprises receiving a medical image; applying a model stored in a memory; analyzing the medical image based on the model; determining the medical image including a presence of fracture; and, transmitting an indication indicative of the determination.Type: ApplicationFiled: August 19, 2019Publication date: February 20, 2020Inventors: Chien-Hung Liao, Chi-Tung Cheng, Tsung-Ying Ho, Tao-Yi Lee, Ching-Cheng Chou
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Patent number: 10550452Abstract: A high creep-resistant equiaxed grain nickel-based superalloy. The high creep-resistant equiaxed grain nickel-based superalloy is characterized that the chemical compositions in weight ratios include Cr in 8.0 to 9.5 wt %, W in 9.5 to 10.5 wt %, Co in 9.5 to 10.5 wt %, Al in 5.0 to 6.0 wt %, Ti in 0.5 to 1.5 wt %, Mo in 0.5 to 1.0 wt %, Ta in 2.5 to 4.0 wt %, Hf in 1.0 to 2.0 wt %, Ir in 2.0 to 4.0 wt %, C in 0.1 to 0.2 wt %, B in 0.01 to 0.1 wt %, Zr in 0.01 to 0.10 wt %, and the remaining part formed by Ni and inevitable impurities.Type: GrantFiled: June 27, 2017Date of Patent: February 4, 2020Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chien-Hung Liao, Hui-Yun Bor, Cuo-Yo Nieh, Chao-Nan Wei, Sz-Hen Chen, Po-Han Chu
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Publication number: 20190193153Abstract: A preparation method of high purity and densified tungsten-titanium metal which mixes titanium metal powder and tungsten metal powder together; adds metallic nitrates (such as nickel nitrate) as combustion improvers; then taking into the account of the characteristics of metal nitrate, which is soluble in alcohols to form a liquidous precursor, adds metal powder to mix together thoroughly, so that the sintering agent is expected to be colloid and uniformly spread among the tungsten-titanium metal powder. The preparation method significantly reduces the ratio of the combustion improver during the preparation of the high purity and densified tungsten-titanium target material.Type: ApplicationFiled: August 17, 2018Publication date: June 27, 2019Inventors: MAU-SHENG CHIOU, CHIEN-HUNG LIAO, CHAO-NAN WEI, HUI-YUN BOR, KUAN-ZONG FUNG
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Publication number: 20190172691Abstract: A heating carrier device for use on a sputtering cathode assembly has a heating carrier for heating a sputtering target to control a sputtering target temperature; a magnetic component for generating a magnetic field; a thermal insulation component disposed between the heating carrier and the magnetic component; and a cooling system for cooling the magnetic component. Therefore, the heating carrier device reduces the bonding strength of the sputtering target, reduces the particle size of sputtering products, and grows high-quality, uniform thin films.Type: ApplicationFiled: May 9, 2018Publication date: June 6, 2019Inventors: CHOU-YU LIN, HUI-YUN BOR, CHAO-NAN WEI, CHIEN-HUNG LIAO, SHEA-JUE WANG, SHIH-FAN CHEN
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Publication number: 20180371582Abstract: A high creep-resistant equiaxed grain nickel-based superalloy. The high creep-resistant equiaxed grain nickel-based superalloy is characterized that the chemical compositions in weight ratios include Cr in 8.0 to 9.5 wt %, W in 9.5 to 10.5 wt %, Co in 9.5 to 10.5 wt %, Al in 5.0 to 6.0 wt %, Ti in 0.5 to 1.5 wt %, Mo in 0.5 to 1.0 wt %, Ta in 2.5 to 4.0 wt %, Hf in 1.0 to 2.0 wt %, Ir in 2.0 to 4.0 wt %, C in 0.1 to 0.2 wt %, B in 0.01 to 0.1 wt %, Zr in 0.01 to 0.10 wt %, and the remaining part formed by Ni and inevitable impurities.Type: ApplicationFiled: June 27, 2017Publication date: December 27, 2018Inventors: CHIEN-HUNG LIAO, HUI-YUN BOR, CUO-YO NIEH, CHAO-NAN WEI, SZ-HEN CHEN, PO-HAN CHU
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Patent number: 10070048Abstract: A panorama photographing method, a panorama displaying method and an image capturing method are used in an electronic device. The photographing method includes the following steps. Firstly, a plurality of predefined target positions required to produce a panoramic image are determined. Then, a navigator comprising a plurality of indications representing the plurality of predefined target positions is shown. A plurality of target photographs corresponding to the plurality of predefined target positions are captured and appearance of the plurality of indications according to a capturing status of the plurality of target photographs is changed. Afterwards, the panoramic image is generated according to the plurality of target photographs.Type: GrantFiled: May 20, 2014Date of Patent: September 4, 2018Assignee: HTC CORPORATIONInventors: Ruey-Jer Chang, Scott Chien-Hung Liao, Chih-Wei Cheng, Horng-Lin Chen, Tsai-Hsin Liu, Tung-Peng Wu
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Publication number: 20170266338Abstract: A formulation of foam thermosensitive hydrogel includes a thermosensitive hydrogel including synthetic polymeric material. The thermosensitive hydrogel has properties of changing phase from liquid to solid in high temperature and changing phase from solid to liquid in low temperature. The foam thermosensitive hydrogel having a predetermined surface tension is formed after mixing the thermosensitive hydrogel with air. The foam thermosensitive hydrogel has properties of increased volume and being semisolid. After injecting the foam thermosensitive hydrogel into a human body, the foam thermosensitive hydrogel changes phase form liquid to solid after temperature rises above LCST. The foam thermosensitive hydrogel injected into the human body becomes a solid, physical barrier between an injured site and surrounding tissue, thereby preventing adhesion from forming in the human body. A method of manufacturing foam thermosensitive hydrogel is also provided.Type: ApplicationFiled: March 17, 2016Publication date: September 21, 2017Inventors: Chih-Hao Chen, Shih-Hsien Chen, Pang-Yun Chou, Shih-Hsuan Mao, Chien-Hung Liao
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Patent number: 9241104Abstract: A panorama photographing method is provided. Firstly, panorama focal positions required for a full panoramic image are defined. A designated shooting area is determined. The panorama focal positions within the designated shooting area are taken as plural designated focal positions. Then, plural target images corresponding to the plural designated focal positions are captured. A partial panoramic image corresponding to the designated shooting area is generated according to the plural target images.Type: GrantFiled: October 30, 2014Date of Patent: January 19, 2016Assignee: HTC CorporationInventors: Scott Chien-Hung Liao, Horng-Lin Chen
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Publication number: 20140333718Abstract: A panorama photographing method, a panorama displaying method and an image capturing method are used in an electronic device. The photographing method includes the following steps. Firstly, a plurality of predefined target positions required to produce a panoramic image are determined. Then, a navigator comprising a plurality of indications representing the plurality of predefined target positions is shown. A plurality of target photographs corresponding to the plurality of predefined target positions are captured and appearance of the plurality of indications according to a capturing status of the plurality of target photographs is changed. Afterwards, the panoramic image is generated according to the plurality of target photographs.Type: ApplicationFiled: May 20, 2014Publication date: November 13, 2014Applicant: HTC CorporationInventors: Ruey-Jer CHANG, Scott Chien-Hung LIAO, Chih-Wei CHENG, Horng-Lin CHEN, Tsai-Hsin LIU, Tung-Peng WU