Patents by Inventor Yao-Chih Chuang
Yao-Chih Chuang 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: 11772363Abstract: The disclosure provides an electromagnetic shielding substrate including a first substrate and an auxiliary layer. The auxiliary layer is disposed on the first substrate and directly contacts the first substrate. The auxiliary layer includes a first sublayer and a second sublayer. The second sublayer is connected between the first sublayer and the first substrate. The chemical ingredient of the first sublayer is MxOy, and the chemical ingredient of the second sublayer is MxOz, and M is selected from one of Nb, Mo, Ta, Te, Ti, Tl, Y, Yb, Zr, and Zn, where x and y are positive integers, and y?1<z<y. A display panel using the above electromagnetic shielding substrate is also provided.Type: GrantFiled: August 19, 2021Date of Patent: October 3, 2023Assignee: HannStar Display CorporationInventors: Yao-Chih Chuang, Chia-Yu Liu, Chih-Wei Chen, Mei-Ling Chou, Ming-Liang Chen
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Patent number: 11644913Abstract: A touch display device includes a display panel, a conductive layer, an optical matching layer and a buffer layer. The display panel comprises a first substrate, a second substrate and a display medium layer. The first substrate comprises a first surface and a second surface, the second substrate is disposed opposite to the first substrate, and the display medium layer is disposed between the second surface of the first substrate and the second substrate. The conductive layer is disposed on the first surface of the first substrate, and comprises a plurality of sensing electrodes. The optical matching layer is disposed between the conductive layer and the first surface of the first substrate. The buffer layer with a thickness greater than or equal to 50 ? and less than or equal to 3000 ? is disposed between the optical matching layer and the first surface of the first substrate.Type: GrantFiled: April 14, 2021Date of Patent: May 9, 2023Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Tzung-Hsien Hsu, Chih-Wei Chen, Mei-Ling Chou, Chia-Yu Liu, Yao-Chih Chuang
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Publication number: 20230129882Abstract: A touch display device including a substrate, a touch structure, a plurality of light emitting elements and a reflection layer is provided by the present invention. The substrate includes a first surface and a second surface opposite to the first surface. The touch structure includes a plurality of first touch electrodes disposed on the first surface of the substrate. The light emitting elements are disposed on the second surface of the substrate, and one of the light emitting elements includes a light emitting surface and a bottom surface opposite to the light emitting surface. The reflection layer is disposed on the second surface of the substrate. The light emitting elements are disposed between the reflection layer and the substrate, and the light emitting surface of one of the light emitting elements is disposed between the bottom surface and the reflection layer.Type: ApplicationFiled: October 3, 2022Publication date: April 27, 2023Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Yao-Chih Chuang, Chia-Yu Liu, Chih-Wei Chen, Ming-Liang Chen
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Patent number: 11635838Abstract: A touch display device including a substrate, a touch structure, a plurality of light emitting elements and a reflection layer is provided by the present invention. The substrate includes a first surface and a second surface opposite to the first surface. The touch structure includes a plurality of first touch electrodes disposed on the first surface of the substrate. The light emitting elements are disposed on the second surface of the substrate, and one of the light emitting elements includes a light emitting surface and a bottom surface opposite to the light emitting surface. The reflection layer is disposed on the second surface of the substrate. The light emitting elements are disposed between the reflection layer and the substrate, and the light emitting surface of one of the light emitting elements is disposed between the bottom surface and the reflection layer.Type: GrantFiled: October 3, 2022Date of Patent: April 25, 2023Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Yao-Chih Chuang, Chia-Yu Liu, Chih-Wei Chen, Ming-Liang Chen
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Patent number: 11573668Abstract: The disclosure provides a touch-sensing panel, which includes a substrate, a first mesh pattern, an insulating layer, and a second mesh pattern. The substrate has an active area and a peripheral area. The first mesh pattern is located in the active area. The insulating layer is disposed on the first mesh pattern. The second mesh pattern is located in the active area. At least a part of the second mesh pattern is disposed on the insulating layer. Each of the first mesh pattern and the second mesh pattern includes a plurality of mesh lines. A reflectivity of a surface of one of the first mesh pattern and the second pattern is smaller than a reflectivity of a surface of the other of the first mesh pattern and the second mesh pattern, and a width of each of the mesh lines of the one of the first mesh pattern and the second mesh pattern is smaller than a width of each of the mesh lines of the other of the first mesh pattern and the second mesh pattern.Type: GrantFiled: October 27, 2021Date of Patent: February 7, 2023Assignee: HannStar Display CorporationInventors: Yao-Chih Chuang, Mei-Ling Chou, Ming-Liang Chen, Chih-Wei Chen, Chia-Yu Liu
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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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Publication number: 20220155902Abstract: The disclosure provides a touch-sensing panel, which includes a substrate, a first mesh pattern, an insulating layer, and a second mesh pattern. The substrate has an active area and a peripheral area. The first mesh pattern is located in the active area. The insulating layer is disposed on the first mesh pattern. The second mesh pattern is located in the active area. At least a part of the second mesh pattern is disposed on the insulating layer. Each of the first mesh pattern and the second mesh pattern includes a plurality of mesh lines. A reflectivity of a surface of one of the first mesh pattern and the second pattern is smaller than a reflectivity of a surface of the other of the first mesh pattern and the second mesh pattern, and a width of each of the mesh lines of the one of the first mesh pattern and the second mesh pattern is smaller than a width of each of the mesh lines of the other of the first mesh pattern and the second mesh pattern.Type: ApplicationFiled: October 27, 2021Publication date: May 19, 2022Applicant: HannStar Display CorporationInventors: Yao-Chih Chuang, Mei-Ling Chou, Ming-Liang Chen, Chih-Wei Chen, Chia-Yu Liu
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Publication number: 20220118743Abstract: The disclosure provides an electromagnetic shielding substrate including a first substrate and an auxiliary layer. The auxiliary layer is disposed on the first substrate and directly contacts the first substrate. The auxiliary layer includes a first sublayer and a second sublayer. The second sublayer is connected between the first sublayer and the first substrate. The chemical ingredient of the first sublayer is MxOy, and the chemical ingredient of the second sublayer is MxOz, and M is selected from one of Nb, Mo, Ta, Te, Ti, Tl, Y, Yb, Zr, and Zn, where x and y are positive integers, and y?1<z<y. A display panel using the above electromagnetic shielding substrate is also provided.Type: ApplicationFiled: August 19, 2021Publication date: April 21, 2022Applicant: HannStar Display CorporationInventors: Yao-Chih Chuang, Chia-Yu Liu, Chih-Wei Chen, Mei-Ling Chou, Ming-Liang Chen
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Patent number: 11307725Abstract: A mask including a substrate and a mesh pattern are disclosed along with an electronic device. The mesh pattern, being disposed on the substrate, includes a first striped pattern and a second striped pattern; the first striped pattern includes a first, second, and third section, and the second section is disposed between the first and the third sections; the second striped pattern includes a fourth, fifth, and sixth section, and the fifth section is disposed between the fourth and the sixth sections; the first section has a first extension direction, the fourth section has a second extension direction, and a first included angle is between the first extension direction and the second extension direction; the fifth section and the second section intersect each other while having a second included angle between the two sections, and the second included angle is greater than the first included angle.Type: GrantFiled: December 9, 2020Date of Patent: April 19, 2022Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Mei-Ling Chou, Chih-Wei Chen, Chia-Yu Liu, Ming-Liang Chen, Yao-Chih Chuang
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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: 20210405817Abstract: A mask including a substrate and a mesh pattern are disclosed along with an electronic device. The mesh pattern, being disposed on the substrate, includes a first striped pattern and a second striped pattern; the first striped pattern includes a first, second, and third section, and the second section is disposed between the first and the third sections; the second striped pattern includes a fourth, fifth, and sixth section, and the fifth section is disposed between the fourth and the sixth sections; the first section has a first extension direction, the fourth section has a second extension direction, and a first included angle is between the first extension direction and the second extension direction; the fifth section and the second section intersect each other while having a second included angle between the two sections, and the second included angle is greater than the first included angle.Type: ApplicationFiled: December 9, 2020Publication date: December 30, 2021Inventors: Mei-Ling Chou, Chih-Wei Chen, Chia-Yu Liu, Ming-Liang Chen, Yao-Chih Chuang
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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: 20210357058Abstract: A touch display device includes a display panel, a conductive layer, an optical matching layer and a buffer layer. The display panel comprises a first substrate, a second substrate and a display medium layer. The first substrate comprises a first surface and a second surface, the second substrate is disposed opposite to the first substrate, and the display medium layer is disposed between the second surface of the first substrate and the second substrate. The conductive layer is disposed on the first surface of the first substrate, and comprises a plurality of sensing electrodes. The optical matching layer is disposed between the conductive layer and the first surface of the first substrate. The buffer layer with a thickness greater than or equal to 50 ? and less than or equal to 3000 ? is disposed between the optical matching layer and the first surface of the first substrate.Type: ApplicationFiled: April 14, 2021Publication date: November 18, 2021Inventors: Tzung-Hsien Hsu, Chih-Wei Chen, Mei-Ling Chou, Chia-Yu Liu, Yao-Chih Chuang
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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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Patent number: 10824255Abstract: A manufacturing method of a touch panel includes following steps. The first sensing electrodes and the second sensing electrodes are formed on a substrate first. Connecting bridges are formed next, wherein adjacent two first sensing electrodes are connected by at least one connecting bridge, and a manufacturing method of the connecting bridges includes following steps. A metal layer is formed on the substrate first, wherein a material of the metal layer includes silver. A photoresist layer is formed on a surface of the metal layer next, wherein a material of the photoresist layer includes sulfur. A photolithography process and an etching process are respectively performed on the photoresist layer and the metal layer to form the connecting bridges, wherein silver in the metal layer and sulfur in the photoresist layer react with each other to form a silver sulfide layer after the photoresist layer is formed.Type: GrantFiled: December 12, 2019Date of Patent: November 3, 2020Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Chih-Wei Chen, Mei-Ling Chou, Yao-Chih Chuang
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Patent number: 10804897Abstract: A touch-sensitive keypad control device for use with a controlled device is provided. The touch-sensitive keypad control device includes: a housing, a touch control device disposed in the housing, and a keypad device uncovered from the housing and disposed above the touch control device. The touch control device generates a first command for controlling the controlled device in response to a gesture of a user relative to the keypad device, and the keypad device generates a second command for controlling the controlled device in response to a level change of the keypad device relative to the housing in response to a pressing operation of a user.Type: GrantFiled: January 12, 2015Date of Patent: October 13, 2020Assignee: TOUCHPLUS INFORMATION CORP.Inventors: Shih-Hsien Hu, Yi-Feng Wei, Yao-Chih Chuang
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Publication number: 20200117291Abstract: A manufacturing method of a touch panel includes following steps. The first sensing electrodes and the second sensing electrodes are formed on a substrate first. Connecting bridges are formed next, wherein adjacent two first sensing electrodes are connected by at least one connecting bridge, and a manufacturing method of the connecting bridges includes following steps. A metal layer is formed on the substrate first, wherein a material of the metal layer includes silver. A photoresist layer is formed on a surface of the metal layer next, wherein a material of the photoresist layer includes sulfur. A photolithography process and an etching process are respectively performed on the photoresist layer and the metal layer to form the connecting bridges, wherein silver in the metal layer and sulfur in the photoresist layer react with each other to form a silver sulfide layer after the photoresist layer is formed.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Chih-Wei Chen, Mei-Ling Chou, Yao-Chih Chuang
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Patent number: 10528161Abstract: A manufacturing method of a touch panel includes following steps. The first sensing electrodes and the second sensing electrodes are formed on a substrate first. Connecting bridges are formed next, wherein adjacent two first sensing electrodes are connected by at least one connecting bridge, and a manufacturing method of the connecting bridges includes following steps. A metal layer is formed on the substrate first, wherein a material of the metal layer includes silver. A photoresist layer is formed on a surface of the metal layer next, wherein a material of the photoresist layer includes sulfur. A photolithography process and an etching process are respectively performed on the photoresist layer and the metal layer to form the connecting bridges, wherein silver in the metal layer and sulfur in the photoresist layer react with each other to form a silver sulfide layer after the photoresist layer is formed.Type: GrantFiled: April 13, 2018Date of Patent: January 7, 2020Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Chih-Wei Chen, Mei-Ling Chou, Yao-Chih Chuang
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Patent number: 10481742Abstract: A touch-sensing electronic device includes a housing having first, second and third touch-sensing surfaces; a substrate extensively disposed under the first, second and third touch-sensing surfaces; sensing electrodes formed on the same substrate, and having capacitance changes in response to touch operations or gestures respectively performed on or over the first, second and third touch-sensing surfaces, wherein the sensing electrodes are grouped into three sensing electrode arrays corresponding to the first, second and third touch-sensing surfaces, respectively; and a controller for generating respective control signals corresponding to the touch operations performed on or over the first, second and third touch-sensing surfaces. At least two of the three sensing electrode arrays have different configurations for performing different sensing operations.Type: GrantFiled: December 7, 2017Date of Patent: November 19, 2019Assignee: TOUCHPLUS INFORMATION CORP.Inventors: Shih-Hsien Hu, Yi-Feng Wei, Yao-Chih Chuang