Patents by Inventor Chang-Ching Yeh
Chang-Ching Yeh 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: 12020987Abstract: A method includes forming a fin structure over a substrate; forming a gate structure over the substrate and crossing the fin structure, wherein the gate structures comprises a gate electrode and a hard mask layer over the gate electrode; forming gate spacers on opposite sidewalls of the gate structure; performing an ion implantation process to form doped regions in the hard mask layers of the gate structure and in the gate spacers, wherein the ion implantation process is performed at a tilt angle; etching portions of the fin structure exposed by the gate structure and the gate spacers to form recesses in the fin structure; and forming source/drain epitaxial structures in the recesses.Type: GrantFiled: August 10, 2022Date of Patent: June 25, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Hsien Lin, Chang-Ching Yeh
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Publication number: 20240118528Abstract: A microscope device for observing a sample. The microscope device and the sample are located on an optical route. The microscope device includes an objective lens unit and an additional light source set. The light source set includes a circuit substrate, a battery and a light-emitting unit. The circuit substrate has a power source portion and a light source portion electrically connected to the power source portion. A connecting member and the battery are arranged at opposite sides of the power source portion. The light-emitting unit is arranged on the light source portion, and the distance between the light-emitting unit and the center axis of the optical route is greater than the radius of the objective lens unit. The battery activates the light-emitting unit to generate a light beam, and the light beam irradiates toward the center axis of the optical route.Type: ApplicationFiled: October 6, 2023Publication date: April 11, 2024Inventors: Chang-Ching YEH, Chang-Yu CHEN, Shu-Sheng LIN
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Publication number: 20230393378Abstract: A micro distance adjusting mechanism includes a first element having a first body and a first screw-connecting portion, a second element having a second body and a second screw-connecting portion, and a connection member. The first body has a first through hole on an optical route, and the second body has a second through hole on the optical route. The objective lens unit is telescoped in the first and second through holes. The first screw-connecting portion is rotatably connected to the second screw-connecting portion, and the first and second bodies make a relative rotation range during the micro distance adjustment. The connection member is connected to the first body or the second body to limit the relative rotation range within 360 degrees and the range of the micro distance adjustment to 0.1 mm-3.5 mm.Type: ApplicationFiled: June 5, 2023Publication date: December 7, 2023Inventors: CHANG-YU CHEN, CHANG-CHING YEH
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Patent number: 11805601Abstract: A load control device for controlling a load unit includes a transistor circuit, a charge/charge-discharge circuit, a first hand-assembly electrode and a second hand-assembly electrode. The transistor circuit includes a transistor, and a first electrode of the transistor is electrically connected to one end of the load unit. The charge/charge-discharge circuit is electrically connected to a control electrode and a second electrode of the transistor. The first hand-assembly electrode is electrically connected to the control electrode of the transistor. The second hand-assembly electrode is electrically connected to the charge/charge-discharge circuit and the second electrode of the transistor. A hand-assembly circuit board including the load control device and a hand-assembly circuit is also provided.Type: GrantFiled: February 5, 2021Date of Patent: October 31, 2023Assignee: AIDMICS BIOTECHNOLOGY (HK) CO., LIMITEDInventor: Chang-Ching Yeh
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Publication number: 20220384202Abstract: A method includes forming a fin structure over a substrate; forming a gate structure over the substrate and crossing the fin structure, wherein the gate structures comprises a gate electrode and a hard mask layer over the gate electrode; forming gate spacers on opposite sidewalls of the gate structure; performing an ion implantation process to form doped regions in the hard mask layers of the gate structure and in the gate spacers, wherein the ion implantation process is performed at a tilt angle; etching portions of the fin structure exposed by the gate structure and the gate spacers to form recesses in the fin structure; and forming source/drain epitaxial structures in the recesses.Type: ApplicationFiled: August 10, 2022Publication date: December 1, 2022Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Hsien LIN, Chang-Ching YEH
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Patent number: 11456182Abstract: A method includes forming a fin structure extending above a substrate; forming dummy gate structures extending across the fin structure, each of the dummy gate structures including a dummy gate electrode layer and a hard mask layer over the dummy gate electrode layer; performing an ion implantation process to dope the hard mask layers of the dummy gate structures; after performing the ion implantation process to dope the hard mask layers of the dummy gate structures, performing a first etching process to etch a source/drain region of the fin structure between the dummy gate structures to form a recess in the source/drain region of the fin structure; forming an epitaxial structure in the recess; and replacing the dummy gate structures with metal gate structures.Type: GrantFiled: April 22, 2021Date of Patent: September 27, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Hsien Lin, Chang-Ching Yeh
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Patent number: 11425815Abstract: A load adaptive device includes a substrate, a first electrode, a second electrode, and a passive element. The substrate is configured with a first conductor and a second conductor, and the surface area of the first conductor and/or the surface area of the second conductor are at least 15 mm2. The distance between the center of the first conductor and the center of the second conductor is at least 9 mm. The first electrode, the second electrode and the passive element are disposed on the substrate. The first electrode is electrically connected to the first conductor. Two terminals of the passive element are electrically connected to the second conductor and the second electrode, respectively. In addition, a hand-made circuit module includes the load adaptive device and a hand-made loop. A part of the hand-made loop is consisted of a hand-bonded conductive tape.Type: GrantFiled: February 5, 2021Date of Patent: August 23, 2022Assignee: AIDMICS BIOTECHNOLOGY (HK) CO., LIMITEDInventor: Chang-Ching Yeh
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Publication number: 20210251076Abstract: A load control device for controlling a load unit includes a transistor circuit, a charge/charge-discharge circuit, a first hand-assembly electrode and a second hand-assembly electrode. The transistor circuit includes a transistor, and a first electrode of the transistor is electrically connected to one end of the load unit. The charge/charge-discharge circuit is electrically connected to a control electrode and a second electrode of the transistor. The first hand-assembly electrode is electrically connected to the control electrode of the transistor. The second hand-assembly electrode is electrically connected to the charge/charge-discharge circuit and the second electrode of the transistor. A hand-assembly circuit board including the load control device and a hand-assembly circuit is also provided.Type: ApplicationFiled: February 5, 2021Publication date: August 12, 2021Inventor: Chang-Ching YEH
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Publication number: 20210251072Abstract: A load adaptive device includes a substrate, a first electrode, a second electrode, and a passive element. The substrate is configured with a first conductor and a second conductor, and the surface area of the first conductor and/or the surface area of the second conductor are at least 15 mm2. The distance between the center of the first conductor and the center of the second conductor is at least 9 mm. The first electrode, the second electrode and the passive element are disposed on the substrate. The first electrode is electrically connected to the first conductor. Two terminals of the passive element are electrically connected to the second conductor and the second electrode, respectively. In addition, a hand-made circuit module includes the load adaptive device and a hand-made loop. A part of the hand-made loop is consisted of a hand-bonded conductive tape.Type: ApplicationFiled: February 5, 2021Publication date: August 12, 2021Inventor: Chang-Ching YEH
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Patent number: 10885811Abstract: A method of using a hand-made circuit board for learning includes: providing a hand-made circuit board which comprises a substrate; and a medium layer disposed on a surface of the substrate to form a pattern, wherein the medium layer has a notably paintable non-conductive zone configured with a plurality of electrical blocks, and the electrical blocks are discontinuously distributed in the notably paintable non-conductive zone, so that the electrical blocks on at least one cross-section of the notably paintable non-conductive zone are not electrically connected; and drawing a drawn conductive layer on the notably paintable non-conductive zone of the pattern by an end user, wherein the drawn conductive layer has conductive particles linking the electrical particle blocks in the notably paintable non-conductive zone, thereby electrically connecting the electrical particle blocks to complete a circuit line.Type: GrantFiled: April 27, 2020Date of Patent: January 5, 2021Assignee: Aidmics Biotechnology (HK) Co., LimitedInventor: Chang-Ching Yeh
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Publication number: 20200258423Abstract: A method of using a hand-made circuit board for learning includes: providing a hand-made circuit board which comprises a substrate; and a medium layer disposed on a surface of the substrate to form a pattern, wherein the medium layer has a notably paintable non-conductive zone configured with a plurality of electrical blocks, and the electrical blocks are discontinuously distributed in the notably paintable non-conductive zone, so that the electrical blocks on at least one cross-section of the notably paintable non-conductive zone are not electrically connected; and drawing a drawn conductive layer on the notably paintable non-conductive zone of the pattern by an end user, wherein the drawn conductive layer has conductive particles linking the electrical particle blocks in the notably paintable non-conductive zone, thereby electrically connecting the electrical particle blocks to complete a circuit line.Type: ApplicationFiled: April 27, 2020Publication date: August 13, 2020Inventor: Chang-Ching YEH
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Publication number: 20190355277Abstract: A hand-made circuit board includes a substrate and a medium layer disposed on a surface of the substrate to form a pattern. The medium layer has a non-conductive zone configured with a plurality of electrical blocks. The electrical blocks are discontinuously distributed in the non-conductive zone, so that the electrical blocks on at least one cross-section of the non-conductive zone are not electrically connected. In addition, the medium layer has a conductive zone configured with a plurality of electrical blocks. The electrical blocks are continuously distributed in the conductive zone, so that the electrical blocks on at least one cross-section of the conductive zone are electrically connected.Type: ApplicationFiled: May 18, 2018Publication date: November 21, 2019Inventor: Chang-Ching YEH
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Patent number: 9013419Abstract: An embodiment of this invention provides a touch panel, which comprises a touch screen and a display. The touch screen comprises a patterned, transparent first conductive layer comprising a sensing pattern and a shielding pattern. The touch panel features in that the touch screen employs the sensing pattern as a sensing layer, and the display employs the shielding pattern as an electrostatic protection layer.Type: GrantFiled: October 20, 2011Date of Patent: April 21, 2015Assignee: Hannstar Display Corp.Inventors: Hsu-Ho Wu, Sung-Chun Lin, Yi-Chung Juan, Chang-Ching Yeh
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Patent number: 8791917Abstract: A touch display device and a formation method thereof are provided. The touch display device includes a touch panel disposed on a first surface of a substrate of a display panel. A color filter layer is disposed on a second surface of the substrate. The touch panel includes a plurality of first and second conductive patterns arranged by two directions that are perpendicular to each other. A patterned isolation layer, having a first portion and a second portion, is formed over the first surface of the substrate, wherein the first portion is disposed at the intersection of the first and the second conductive patterns, and the second portion is disposed between the first and the second conductive patterns. The first portion has a height that is lower than a height of the second portion.Type: GrantFiled: March 30, 2012Date of Patent: July 29, 2014Assignee: Hannstar Display Corp.Inventors: Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Chien-Ting Chan, Sung-Chun Lin
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Publication number: 20140198060Abstract: A touch display apparatus including a display panel, a touch panel, a transparent conductive layer, and a conductive adhesive layer is provided. The touch panel is disposed on the display panel, and includes a cover lens, a touch device, and a shielding conductive ring. The touch device is disposed on the cover lens and located between the display panel and the cover lens. The shielding conductive ring is disposed on the cover lens and located between the display panel and the cover lens. The shielding conductive ring surrounds the touch device. The transparent conductive layer is disposed on the display panel and located between the display panel and the touch panel. The conductive adhesive layer is disposed between the display panel and the touch panel. The shielding conductive ring is electrically connected with the transparent conductive layer through the conductive adhesive layer.Type: ApplicationFiled: February 26, 2013Publication date: July 17, 2014Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Chia-Hua Yu, Hsuan-Chen Liu, Yi-Chung Juan, Chang-Ching Yeh
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Publication number: 20130106727Abstract: A touch sensing device is disclosed. The device includes a transparent substrate having a sensing region and a non-sensing region enclosing the sensing region. A sensing structure is disposed on the transparent substrate in the sensing region. A shielding layer is disposed on the transparent substrate in the non-sensing region and exposes the sensing region. A specific pattern layer is disposed between the transparent substrate and the shielding layer and has a specific pattern, such that the shielding layer above the specific pattern layer has a first thickness and the shielding layer outside of the specific pattern layer has a second thickness greater than the first thickness. A passivation layer covers the sensing structure and the shielding layer. A method for fabricating the touch sensing device is also disclosed.Type: ApplicationFiled: February 23, 2012Publication date: May 2, 2013Inventors: Yi-Chung Juan, Hsuan-Chen Liu, Chang-Ching Yeh, Sung-Chun Lin
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Publication number: 20130082944Abstract: A touch display device and a formation method thereof are provided. The touch display device includes a touch panel disposed on a first surface of a substrate of a display panel. A color filter layer is disposed on a second surface of the substrate. The touch panel includes a plurality of first and second conductive patterns arranged by two directions that are perpendicular to each other. A patterned isolation layer, having a first portion and a second portion, is formed over the first surface of the substrate, wherein the first portion is disposed at the intersection of the first and the second conductive patterns, and the second portion is disposed between the first and the second conductive patterns. The first portion has a height that is lower than a height of the second portion.Type: ApplicationFiled: March 30, 2012Publication date: April 4, 2013Inventors: Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Chien-Ting Chan, Sung-Chun Lin
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Publication number: 20130009886Abstract: An embodiment of this invention provides a touch panel, which comprises a touch screen and a display. The touch screen comprises a patterned, transparent first conductive layer comprising a sensing pattern and a shielding pattern. The touch panel features in that the touch screen employs the sensing pattern as a sensing layer, and the display employs the shielding pattern as an electrostatic protection layer.Type: ApplicationFiled: October 20, 2011Publication date: January 10, 2013Applicant: HANNSTAR DISPLAY CORP.Inventors: HSU-HO WU, SUNG-CHUN LIN, YI-CHUNG JUAN, CHANG-CHING YEH
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Publication number: 20120319990Abstract: A touch display device is provided. The touch display device includes a touch panel disposed on a display panel. The touch panel includes a plurality of first conductive patterns arranged along a first direction, wherein the first conductive patterns are separated from each other. A plurality of second conductive patterns is arranged along a second direction perpendicular to the first direction, wherein the second conductive patterns are connected with each other. An isolation structure is disposed between any two adjacent first conductive patterns. A plurality of conductive bridge structures is disposed on the isolation structure for electrically connecting any two adjacent first conductive patterns.Type: ApplicationFiled: November 28, 2011Publication date: December 20, 2012Inventors: Chien-Ting CHAN, Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Sung-Chun Lin
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Patent number: 8264632Abstract: A data line repair structure for a liquid crystal display panel is disclosed. The data line repair structure includes a first repair line parallel to the scan line and crossing a first end of the data line; a fourth repair line formed in an oblique line area of the liquid crystal panel, coupled to the first repair line; a second repair line parallel to the data line, coupled to the gate driving chip and the fourth repair line; a third repair line parallel to the scan line, coupled to the second repair line and separated from a second end of the data line; and a floating line connected between the third repair line and the second end of the data line when the data line has a broken point.Type: GrantFiled: September 28, 2011Date of Patent: September 11, 2012Assignee: Hannstar Display Corp.Inventors: Kun-Chen Lee, Chia-Hua Yu, Sung-Chun Lin, Chang-Ching Yeh, Hsuan-Chen Liu