Patents by Inventor Tsunglung Chang
Tsunglung Chang 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: 20220190206Abstract: An array substrate and a display panel are provided, the array substrate is disposed on the base substrate, and a passivation layer is formed on a side of the array substrate layer away from the base substrate. The passivation layer includes a first dielectric layer, a second dielectric layer, and a third dielectric layer stacked in sequence, the first dielectric layer is disposed close to the array layer and the third dielectric layer is disposed away from the array layer, a refractive index of the first dielectric layer is different from a refractive index of the second dielectric layer, and the refractive index of the second dielectric layer is different from a refractive index of the third dielectric layer.Type: ApplicationFiled: June 16, 2020Publication date: June 16, 2022Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Tsunglung Chang, Aoqi Song, Ting Zhang
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Patent number: 9733525Abstract: A liquid crystal panel and a cross-shaped spacer structure thereof are disclosed. The liquid crystal panel includes an array substrate, a color filter substrate, and a cross-shaped spacer structure sandwiched between the array substrate and the color filter substrate. The cross-shaped spacer structure includes a plurality of H-shaped first spacers disposed on the upper surface of the array substrate and a plurality of strip-like second spacers disposed on the lower surface of the color filter substrate. The end surface of the crossbar of each one of the H-shaped first spacers and the end surface of each one of the strip-like second spacers are abutted against each other in a cross manner. Thus, when the liquid crystal panel is impacted by external force, the H-shaped first spacers and the strip-like second spacers can keep a tight abutment therebetween, so as to ensure the display quality of the liquid crystal panel.Type: GrantFiled: February 3, 2016Date of Patent: August 15, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ya-Hui Chen, Tsunglung Chang
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Patent number: 9720289Abstract: A liquid crystal panel and a cross-shaped spacer structure thereof are disclosed. The liquid crystal panel includes an array substrate, a color filter substrate, and a cross-shaped spacer structure sandwiched between the array substrate and the color filter substrate. The cross-shaped spacer structure includes a plurality of strip-like first spacers disposed on the upper surface of the array substrate and a plurality of strip-like second spacers disposed on the lower surface of the color filter substrate. The end surface of each one of the strip-like first spacers and the end surfaces of each three of the strip-like second spacers are abutted against each other in a cross manner. Thus, when the liquid crystal panel is impacted by external force, the strip-like first spacers and the strip-like second spacers can keep a tight abutment therebetween, so as to ensure the display quality of the liquid crystal panel.Type: GrantFiled: February 3, 2016Date of Patent: August 1, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ya-Hui Chen, Tsunglung Chang
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Publication number: 20160154267Abstract: A liquid crystal panel and a cross-shaped spacer structure thereof are disclosed. The liquid crystal panel includes an array substrate, a color filter substrate, and a cross-shaped spacer structure sandwiched between the array substrate and the color filter substrate. The cross-shaped spacer structure includes a plurality of strip-like first spacers disposed on the upper surface of the array substrate and a plurality of strip-like second spacers disposed on the lower surface of the color filter substrate. The end surface of each one of the strip-like first spacers and the end surfaces of each three of the strip-like second spacers are abutted against each other in a cross manner. Thus, when the liquid crystal panel is impacted by external force, the strip-like first spacers and the strip-like second spacers can keep a tight abutment therebetween, so as to ensure the display quality of the liquid crystal panel.Type: ApplicationFiled: February 3, 2016Publication date: June 2, 2016Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ya-Hui CHEN, Tsunglung CHANG
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Publication number: 20160154266Abstract: A liquid crystal panel and a cross-shaped spacer structure thereof are disclosed. The liquid crystal panel includes an array substrate, a color filter substrate, and a cross-shaped spacer structure sandwiched between the array substrate and the color filter substrate. The cross-shaped spacer structure includes a plurality of H-shaped first spacers disposed on the upper surface of the array substrate and a plurality of strip-like second spacers disposed on the lower surface of the color filter substrate. The end surface of the crossbar of each one of the H-shaped first spacers and the end surface of each one of the strip-like second spacers are abutted against each other in a cross manner. Thus, when the liquid crystal panel is impacted by external force, the H-shaped first spacers and the strip-like second spacers can keep a tight abutment therebetween, so as to ensure the display quality of the liquid crystal panel.Type: ApplicationFiled: February 3, 2016Publication date: June 2, 2016Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. , LTD.Inventors: Ya-Hui CHEN, Tsunglung CHANG
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Patent number: 9298045Abstract: A liquid crystal panel and a cross-shaped spacer structure. The liquid crystal panel includes an array substrate, a color filter substrate, and a cross-shaped spacer structures sandwiched between the array substrate and the color filter substrate. The cross-shaped spacer structures includes strip-like first spacers disposed on the upper surface of the array substrate, and strip-like second spacers disposed on the lower surface of the color filter substrate. The end surfaces of each three of the strip-like first spacers and the end surface of each one of the strip-like second spacers are abutted against each other in a cross manner. Thus, when the liquid crystal panel is impacted by external force, the strip-like first spacers and the strip-like second spacers can keep a tight abutment therebetween, so as to ensure the display quality of the liquid crystal panel.Type: GrantFiled: August 4, 2011Date of Patent: March 29, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ya-hui Chen, Tsunglung Chang
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Patent number: 9214483Abstract: The present invention discloses a thin-film-transistor array substrate and a manufacturing method thereof. The array substrate includes a thin-film transistor and a compensation electrode. A gate electrode of the thin-film transistor is a portion of a scan-signal line and has an opening, and the opening extends to a side of the scan-signal line. A drain electrode of the thin-film transistor is disposed correspondingly to the opening. A source electrode of the thin-film transistor extends from a side of a data-signal line and surrounds the drain electrode. The compensation electrode extends from another side of the scan-signal line and corresponds to the gate electrode. Therefore, the present invention is capable of reducing parasitic capacitance between the drain electrode and the gate electrode without increasing the resistance value of the scan-signal line.Type: GrantFiled: September 16, 2014Date of Patent: December 15, 2015Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Tsunglung Chang
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Publication number: 20150004759Abstract: The present invention discloses a thin-film-transistor array substrate and a manufacturing method thereof. The array substrate includes a thin-film transistor and a compensation electrode. A gate electrode of the thin-film transistor is a portion of a scan-signal line and has an opening, and the opening extends to a side of the scan-signal line. A drain electrode of the thin-film transistor is disposed correspondingly to the opening. A source electrode of the thin-film transistor extends from a side of a data-signal line and surrounds the drain electrode. The compensation electrode extends from another side of the scan-signal line and corresponds to the gate electrode. Therefore, the present invention is capable of reducing parasitic capacitance between the drain electrode and the gate electrode without increasing the resistance value of the scan-signal line.Type: ApplicationFiled: September 16, 2014Publication date: January 1, 2015Inventor: Tsunglung CHANG
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Patent number: 8921864Abstract: The present invention provides a TFT-LCD array substrate having a gate-line metal layer, a data-line metal layer crossing the gate-line metal layer and a plurality of layers covering a periphery of the gate-line metal layer and the data-line metal layer; the gate-line metal layer has first gate lines and second gate lines parallel and alternately arranged, the date-line metal layer has first data lines and second data lines parallel and alternately arranged; the first gate line and the second gate line are electrically connected; the first data line and the second data line are electrically connected. The present invention further provides a manufacturing method of the TFT-LCD array substrate. Implementing the TFT-LCD array substrate and the manufacturing method can reduce the occurrence of line-broken in the active array of TFT-LCD, increase the aperture ratio of the product and enhance yield rate of the products.Type: GrantFiled: November 9, 2011Date of Patent: December 30, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xiaolong Ma, Hungjui Chen, Tsunglung Chang
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Patent number: 8867004Abstract: The present invention discloses a thin-film-transistor array substrate and a manufacturing method thereof. The array substrate includes a thin-film transistor and a compensation electrode. A gate electrode of the thin-film transistor is a portion of a scan-signal line and has an opening, and the opening extends to a side of the scan-signal line. A drain electrode of the thin-film transistor is disposed correspondingly to the opening. A source electrode of the thin-film transistor extends from a side of a data-signal line and surrounds the drain electrode. The compensation electrode extends from another side of the scan-signal line and corresponds to the gate electrode. Therefore, the present invention is capable of reducing parasitic capacitance between the drain electrode and the gate electrode without increasing the resistance value of the scan-signal line.Type: GrantFiled: September 20, 2011Date of Patent: October 21, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Tsunglung Chang
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Patent number: 8817218Abstract: The present invention relates to a fan-out wiring arrangement of TFT-LCD slim bezel arrangement. The fan-out wiring arrangement includes a first metal layer that is subjected to etching to form parallel first fan-out wires and a second metal layer that is subjected to etching to form parallel second fan-out wires. The first and second metal layers are respectively arranged at upper and lower sides to be parallel to and substantially correspond to each other. The first fan-out wires have line width and fan-out pitch that are identical to those of the second fan-out wires. The first fan-out wires have projections on the second metal layer that are parallel to the second fan-out wires and alternate with the second fan-out wires in an equally spaced manner. The fan-out wiring arrangement realizes wire pitch ?8 ?m, reduces fan-out height, while increasing metal CD, reducing resistance loading, and achieving slim bezel arrangement.Type: GrantFiled: September 14, 2012Date of Patent: August 26, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Xiangdeng Que, Tsunglung Chang
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Publication number: 20140071363Abstract: The present invention relates to a fan-out wiring arrangement of TFT-LCD slim bezel arrangement. The fan-out wiring arrangement includes a first metal layer that is subjected to etching to form parallel first fan-out wires and a second metal layer that is subjected to etching to form parallel second fan-out wires. The first and second metal layers are respectively arranged at upper and lower sides to be parallel to and substantially correspond to each other. The first fan-out wires have line width and fan-out pitch that are identical to those of the second fan-out wires. The first fan-out wires have projections on the second metal layer that are parallel to the second fan-out wires and alternate with the second fan-out wires in an equally spaced manner. The fan-out wiring arrangement realizes wire pitch ?8 ?m, reduces fan-out height, while increasing metal CD, reducing resistance loading, and achieving slim bezel arrangement.Type: ApplicationFiled: September 14, 2012Publication date: March 13, 2014Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. ,LTD.Inventors: Xiangdeng Que, Tsunglung Chang
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Publication number: 20130335662Abstract: The present disclosure provides a hotspot repair method for an LCD panel for increasing the quality of LCD panel, and an LCD panel after hotspot repair. The method includes the steps: A: Arranging repair line(s) on the short connected first TFT or second TFT to disconnect the data line from the first pixel electrode or the second pixel electrode; B: Bridging the first pixel electrode connected with the first TFT with the second pixel electrode connected with the second TFT. In the present disclosure, because the data line is disconnected from the pixel electrode by arranging the repair line on the short connected first TFT or second TFT, and the first pixel electrode connected with the first TFT is bridged with the second pixel electrode connected with the second TFT, hotspots are avoided, the pixel is not required to be repaired into dim spots, and the display quality of the LCD panel and the quality of the LCD panel are increased.Type: ApplicationFiled: June 25, 2012Publication date: December 19, 2013Inventor: Tsunglung Chang
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Publication number: 20130120230Abstract: A flat display panel and a method of repairing the same are proposed. The flat display panel includes a plurality of repairing lines parallel to data lines. The plurality of repairing lines are disposed at one side of a plurality of pixel electrodes one on one. When one of the plurality of data lines is broken, repairing lines form an electrical bypass route for circumventing a gap in the broken data line. Thus, a signal can be normally transmitted to the pixel electrode through the electrical bypass route.Type: ApplicationFiled: November 16, 2011Publication date: May 16, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ya-hui Chen, Tsunglung Chang
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Publication number: 20130105800Abstract: Disclosed are a thin film transistor array substrate and a manufacture method thereof. The thin film transistor array substrate comprises scan lines parallel with each other, data lines intersect with the scan lines insulatively and orthogonally, a pixel unit defined by any two adjacent scan lines and any two adjacent data lines, and a capacitor line between any two adjacent scan lines, wherein an elongate hole is along the capacitor line on the capacitor line, and at a junction of the capacitor line and the data line, and comprises auxiliary capacitor lines symmetrically arranged along the data line and at two sides of the capacitor line corresponding to two hole walls of the elongate hole. By employing the present invention, it is easy to cut off the connection between the auxiliary capacitor line and the capacitor line under circumstance without increasing the manufacture difficulty of the auxiliary capacitor line.Type: ApplicationFiled: November 7, 2011Publication date: May 2, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO.,LTD.Inventor: Tsunglung Chang
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Publication number: 20130092946Abstract: The present invention provides a TFT-LCD array substrate having a gate-line metal layer, a data-line metal layer crossing the gate-line metal layer and a plurality of layers covering a periphery of the gate-line metal layer and the data-line metal layer; the gate-line metal layer has first gate lines and second gate lines parallel and alternately arranged, the date-line metal layer has first data lines and second data lines parallel and alternately arranged; the first gate line and the second gate line are electrically connected; the first data line and the second data line are electrically connected. The present invention further provides a manufacturing method of the TFT-LCD array substrate. Implementing the TFT-LCD array substrate and the manufacturing method can reduce the occurrence of line-broken in the active array of TFT-LCD, increase the aperture ratio of the product and enhance yield rate of the products.Type: ApplicationFiled: November 9, 2011Publication date: April 18, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaolong Ma, Hungjui Chen, Tsunglung Chang
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Publication number: 20130069066Abstract: Disclosed is a thin film transistor, comprising a first conductive layer, a first insulation layer, an amorphous silicon layer, an ohmic contact layer, a second insulation layer, a second conductive layer, a protective layer and a transparent electrode layer. The present invention also relates to a manufacture method of the thin film transistor. The thin film transistor and the manufacture method of the present invention implements merely three stages of photolithography processes to complete the manufacture of the thin film transistor, and therefore to save the manufacture cost and the process time of the thin film transistor.Type: ApplicationFiled: September 27, 2011Publication date: March 21, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO.,LTD.Inventor: Tsunglung Chang
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Publication number: 20130009155Abstract: The present invention discloses a thin-film-transistor array substrate and a manufacturing method thereof. The array substrate includes a thin-film transistor and a compensation electrode. A gate electrode of the thin-film transistor is a portion of a scan-signal line and has an opening, and the opening extends to a side of the scan-signal line. A drain electrode of the thin-film transistor is disposed correspondingly to the opening. A source electrode of the thin-film transistor extends from a side of a data-signal line and surrounds the drain electrode. The compensation electrode extends from another side of the scan-signal line and corresponds to the gate electrode. Therefore, the present invention is capable of reducing parasitic capacitance between the drain electrode and the gate electrode without increasing the resistance value of the scan-signal line.Type: ApplicationFiled: September 20, 2011Publication date: January 10, 2013Applicant: Shenzhen China Star Optoelectronics Technology Co.Inventor: Tsunglung Chang
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Publication number: 20130010238Abstract: The present invention discloses a liquid crystal panel and a spacer structure thereof. The liquid crystal panel has: an array substrate, a color filter substrate, and a plurality of spacer structures sandwiched between the array substrate and the color filter substrate. Each of the spacer structures has: a first spacer disposed on an upper surface of the array substrate; and a second spacer disposed on a lower surface of the color filter substrate. The second spacer is correspondingly abutted against the first spacer. Thus, when the liquid crystal panel is impacted by external force, the first spacer and the second spacer can keep a tight abutment therebetween, so as to ensure the display quality of the liquid crystal panel.Type: ApplicationFiled: August 4, 2011Publication date: January 10, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ya-hui Chen, Tsunglung Chang