Patents by Inventor Ming-Chang Yu
Ming-Chang Yu 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: 20230275448Abstract: A power supply controlling system is configured to supply power to a load and includes a first power supply device having a first outputting voltage and current to the load, a second power supply device having a second outputting voltage and current to the load, and a buck converter which is selectively connected to the first power supply device or the second power supply device first and is then connected in parallel with the power supply device without converter and the load. The buck converter is selectively connected to the power supply device with a higher voltage, and controls the output voltage of the converter to make it conform to the voltage of the other power supply device, so as to connect the two power supply devices in parallel and output current to the load.Type: ApplicationFiled: October 21, 2022Publication date: August 31, 2023Inventors: Cheng-Hsien Hsiao, Hsin-Chang Yu, Ming-Tsan Lin
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Patent number: 11736804Abstract: An image processing method includes: analyzing, by a white balance gain estimation circuit, a plurality of exposure frames with different exposures to generate a plurality of sets of white balance gain settings; combining the plurality of sets of white balance gain settings to generate a white balance gain table; applying the white balance gain table to the plurality of exposure frames to generate a plurality of white balance compensated frames; and generating a high dynamic range (HDR) frame by performing pixel fusion according to pixel data derived from the plurality of white balance compensated frames.Type: GrantFiled: July 20, 2021Date of Patent: August 22, 2023Assignee: MEDIATEK INC.Inventors: Jen-Hung Yu, Ming-Chang Chuang, Po-Yu Yeh
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Publication number: 20230222202Abstract: In example implementations, a computing device is provided. The computing device includes a basic input/output system (BIOS), a memory, and a controller. The memory is to store a BIOS password, wherein the BIOS password includes a first part and a second part. The controller is to associate a first device with the first part and a second device with the second part.Type: ApplicationFiled: July 16, 2020Publication date: July 13, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: MING CHANG HUNG, CHIA-CHENG LIN, WEI-CHIH HUANG, HENG-FU CHANG, PING HUAN YU
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Publication number: 20230071568Abstract: This invention discloses a display panel including a first substrate, light emitting elements, a touch sensing structure and a conductive layer. The light emitting elements are disposed on the first substrate. The touch sensing structure is disposed on the first substrate and on a side away from a light emitting surface of the light emitting elements. The conductive layer is disposed between the light emitting elements and the first substrate and includes contacts or at least a portion of the touch sensing structure, and the light emitting elements and the contacts are electrically connected.Type: ApplicationFiled: August 15, 2022Publication date: March 9, 2023Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Jing-Xuan Chen, Cheng-Yen Yeh, Mu-Kai Kang, Sz-Kai Huang, Ming-Chang Yu
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Publication number: 20230042724Abstract: A method for manufacturing carbon fiber, the method includes: placing a carbon fiber as an anode in an electrolyte, wherein the electrolyte is nitric acid, sulfuric acid, phosphoric acid, acetic acid, ammonium bicarbonate, sodium hydroxide, or potassium nitrate; and performing a surface treatment, wherein a surface of the carbon fiber is oxidized by active oxygen generated by anodic electrolysis, and thereby oxygen-containing functional groups are introduced to the surface. The disclosure also provides a carbon fiber composite bottle, which includes a bottle body and a carbon fiber. The bottle body is a type III bottle or a type IV bottle. The carbon fiber surrounds the bottle body, the surface oxygen concentration of the carbon fiber is 5-35%, and the surface roughness of the carbon fiber is 5-25 nm.Type: ApplicationFiled: July 22, 2022Publication date: February 9, 2023Inventors: Long-Tyan HWANG, Cheng-Chiang HSIEH, Ming-Chang YU, Cheng-Chun CHOU
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Patent number: 11513400Abstract: A pixel array substrate including a substrate, a plurality of pixel structures, and a flat layer is provided. The pixel structures are correspondingly disposed in pixel regions of the substrate. At least one of pixel structure includes an active element, a reflective electrode, and an auxiliary electrode. The reflective electrode is electrically connected to the active element. The auxiliary electrode is electrically connected to the reflective electrode and the active element. A vertical projection of the reflective electrode on the substrate overlaps a vertical projection of the auxiliary electrode on the substrate. An area of the vertical projection of the reflective electrode on the substrate is not greater than an area of the vertical projection of the auxiliary electrode on the substrate. The flat layer is disposed between the auxiliary electrode and the active element. A display device by using the pixel array substrate is also provided.Type: GrantFiled: May 25, 2021Date of Patent: November 29, 2022Assignee: HannStar Display CorporationInventors: Mei-Ling Chou, Yao-Chih Chuang, Chih-Wei Chen, Ming-Chang Yu, Chia-Yu Liu
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Patent number: 11308728Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.Type: GrantFiled: February 14, 2020Date of Patent: April 19, 2022Assignees: Interface Technology (Chengdu) Co., Ltd., Interface Optoelectronics (Shenzhen) Co., Ltd., General Interface Solution LimitedInventors: Chun-Te Chang, Chung-Wu Liu, Ming Chang Yu, Chia Yuan Wu
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Patent number: 11291112Abstract: A method for manufacturing a flexible panel is provided, and the method includes following steps. A column is formed on a carrier substrate. A flexible layer is formed on the carrier substrate, where at least a part of a side surface of the column is surrounded by the flexible layer, so as to form a through hole in the flexible layer. A component layer is formed on the flexible layer, and the column and the carrier substrate are removed. No chars, cracks, and cutting marks are formed on an edge of the through hole of the flexible panel.Type: GrantFiled: November 23, 2020Date of Patent: March 29, 2022Assignee: HannStar Display CorporationInventors: Yao-Chih Chuang, Mei-Ling Chou, Chih-Wei Chen, Ming-Chang Yu, Chia-Yu Liu, Yen-Chung Chen
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Publication number: 20220050538Abstract: A touch panel is disclosed by the present invention. The touch panel comprises a substrate, a first conductive layer, a metal mesh layer and a second conductive layer. The substrate comprises a first surface and a second surface opposite to the first surface. The first conductive layer is disposed on the first surface of the substrate, and the first conductive layer comprises a plurality of sensing electrodes. The metal mesh layer is disposed on the second surface of the substrate. The second conductive layer is disposed on the second surface of the substrate, and the metal mesh layer is disposed between the second conductive layer and the second surface of the substrate.Type: ApplicationFiled: July 12, 2021Publication date: February 17, 2022Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Mei-Ling Chou, Yao-Chih Chuang, Chih-Wei Chen, Chia-Yu Liu, Ming-Chang Yu
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Publication number: 20210389631Abstract: A pixel array substrate including a substrate, a plurality of pixel structures, and a flat layer is provided. The pixel structures are correspondingly disposed in pixel regions of the substrate. At least one of pixel structure includes an active element, a reflective electrode, and an auxiliary electrode. The reflective electrode is electrically connected to the active element. The auxiliary electrode is electrically connected to the reflective electrode and the active element. A vertical projection of the reflective electrode on the substrate overlaps a vertical projection of the auxiliary electrode on the substrate. An area of the vertical projection of the reflective electrode on the substrate is not greater than an area of the vertical projection of the auxiliary electrode on the substrate. The flat layer is disposed between the auxiliary electrode and the active element. A display device by using the pixel array substrate is also provided.Type: ApplicationFiled: May 25, 2021Publication date: December 16, 2021Applicant: HannStar Display CorporationInventors: Mei-Ling Chou, Yao-Chih Chuang, Chih-Wei Chen, Ming-Chang Yu, Chia-Yu Liu
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Publication number: 20210204393Abstract: A method for manufacturing a flexible panel is provided, and the method includes following steps. A column is formed on a carrier substrate. A flexible layer is formed on the carrier substrate, where at least a part of a side surface of the column is surrounded by the flexible layer, so as to form a through hole in the flexible layer. A component layer is formed on the flexible layer, and the column and the carrier substrate are removed. No chars, cracks, and cutting marks are formed on an edge of the through hole of the flexible panel.Type: ApplicationFiled: November 23, 2020Publication date: July 1, 2021Applicant: HannStar Display CorporationInventors: Yao-Chih Chuang, Mei-Ling Chou, Chih-Wei Chen, Ming-Chang Yu, Chia-Yu Liu, Yen-Chung Chen
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Publication number: 20210124894Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.Type: ApplicationFiled: February 14, 2020Publication date: April 29, 2021Inventors: CHUN-TE CHANG, CHUNG-WU LIU, MING CHANG YU, CHIA YUAN WU
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Patent number: 10782559Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8. The second substrate is located opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate.Type: GrantFiled: October 25, 2019Date of Patent: September 22, 2020Assignee: HannStar Display CorporationInventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
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Publication number: 20200057336Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8. The second substrate is located opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate.Type: ApplicationFiled: October 25, 2019Publication date: February 20, 2020Applicant: HannStar Display CorporationInventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
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Patent number: 10509261Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is one of 1:2:4:8 and 2:1:4:8. The second substrate is located opposite to the first substrate.Type: GrantFiled: April 24, 2017Date of Patent: December 17, 2019Assignee: HannStar Display CorporationInventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
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Patent number: 10504930Abstract: A reflective LCD panel includes a plurality of pixel units, each of which includes: first and second substrates, first and second scan lines, first and second data lines, a liquid crystal layer, and first, second, third, and fourth pixel structures. The first and second scan lines and the first and second data lines are disposed on the first substrate. Each of the first, second, third, and fourth pixel structures is electrically connected to one of the first and second scan lines and one of the first and second data lines, respectively. The first, second, third, and fourth pixel structures respectively include: an active component and a reflective pixel electrode electrically connected to the active component, and a reflective area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8 or 2:1:4:8. Here, 16 gray scales may be displayed for achieving better visual effects.Type: GrantFiled: June 30, 2017Date of Patent: December 10, 2019Assignee: HannStar Display CorporationInventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su, Yu-Chen Liu
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Publication number: 20180188601Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is one of 1:2:4:8 and 2:1:4:8. The second substrate is located opposite to the first substrate.Type: ApplicationFiled: April 24, 2017Publication date: July 5, 2018Applicant: HannStar Display CorporationInventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
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Publication number: 20180145089Abstract: A reflective LCD panel includes a plurality of pixel units, each of which includes: first and second substrates, first and second scan lines, first and second data lines, a liquid crystal layer, and first, second, third, and fourth pixel structures. The first and second scan lines and the first and second data lines are disposed on the first substrate. Each of the first, second, third, and fourth pixel structures is electrically connected to one of the first and second scan lines and one of the first and second data lines, respectively. The first, second, third, and fourth pixel structures respectively include: an active component and a reflective pixel electrode electrically connected to the active component, and a reflective area ratio of the first, second, third, and fourth pixel structures is 1:2:4:8 or 2:1:4:8. Here, 16 gray scales may be displayed for achieving better visual effects.Type: ApplicationFiled: June 30, 2017Publication date: May 24, 2018Applicant: HannStar Display CorporationInventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su, Yu-Chen Liu
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Patent number: 8610869Abstract: A flat display panel includes an array substrate and a color filter substrate facing each other. Multiple first electrodes and second electrodes are formed on the array substrate. The first electrodes receive scan signals transmitted from a driving circuit, and each of the second electrodes is connected to a corresponding scan line. Multiple signal lines are formed on the color filter substrate and in an active display area. Besides, multiple third electrodes and forth electrodes are formed on the color filter substrate. Each of the third electrodes is electrically connected to a corresponding forth electrode by a corresponding signal line, each of the third electrodes is electrically connected to a corresponding first electrode, and each of the forth electrodes is electrically connected to a corresponding second electrode.Type: GrantFiled: April 20, 2010Date of Patent: December 17, 2013Assignee: Wintek CorporationInventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Wan-Jen Tsai
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Patent number: 8593609Abstract: A display panel includes a first substrate, a conductive light-shielding pattern, color filter patterns, a second substrate, scan lines, data lines, pixel structures, third pads and fourth pads. The conductive light-shielding pattern disposed on the first substrate defines conductive matrix pattern, first pads, and second pads. Each first pad is electrically connected to one corresponding second pad through the conductive matrix pattern and insulated with other second pads. The color filter patterns are disposed on the first substrate and a portion of each color filter pattern overlaps the conductive light-shielding pattern. The third pads are one-to-one electrically to the first pads while the fourth pads are one-to-one electrically connected to the second pads. Each fourth pad is electrically connected to one of the scan lines and one of the data lines.Type: GrantFiled: December 29, 2010Date of Patent: November 26, 2013Assignee: Wintek CorporationInventors: Wen-Chun Wang, Hsi-Rong Han, Yung-Cheng Chang, Ming-Chang Yu, Wan-Jen Tsai, Fa-Chen Wu