Patents by Inventor Szu-Chi Huang
Szu-Chi Huang 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: 10663814Abstract: A liquid crystal panel includes pixel electrodes and a common electrode. The common electrode is disposed to overlap the pixel electrodes. A wire is connected to the common electrode. The common electrode includes a first region and a second region. The first region includes first openings. The second region includes second openings. The second region is located farther away from a point of connection with the wire than the first region. The second openings are smaller in area than the first openings.Type: GrantFiled: December 20, 2018Date of Patent: May 26, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Szu-Chi Huang, Junichi Morinaga, Katsuya Ogawa
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Publication number: 20190196275Abstract: A liquid crystal panel includes pixel electrodes and a common electrode. The common electrode is disposed to overlap the pixel electrodes. A wire is connected to the common electrode. The common electrode includes a first region and a second region. The first region includes first openings. The second region includes second openings. The second region is located farther away from a point of connection with the wire than the first region. The second openings are smaller in area than the first openings.Type: ApplicationFiled: December 20, 2018Publication date: June 27, 2019Inventors: SZU-CHI HUANG, JUNICHI MORINAGA, KATSUYA OGAWA
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Publication number: 20190006454Abstract: A pixel array substrate includes a first substrate, pixel units, data lines, scan lines, constant voltage lines, a constant voltage source, a constant voltage pad, and a conductive pattern. The first substrate has pixel regions and a peripheral region surrounding the pixel regions. The conductive pattern includes conductive lines interlaced with each other to form a net and a conductive frame that surrounds and is electrically coupled to the conductive lines. The conductive frame is in electrical contact with the constant voltage pad within the peripheral region. Each pixel region is defined by two adjacent scan lines and two adjacent data lines. A portion of one of the constant voltage lines located completely within each of the pixel regions is in electrical contact with one of the conductive lines within the pixel region. An OLED display including the pixel array substrate and another OLED are also provided.Type: ApplicationFiled: September 6, 2018Publication date: January 3, 2019Applicant: Chunghwa Picture Tubes, LTD.Inventors: Szu-Chi Huang, Chin-Hai Huang, Bo-Jhang Sun
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Patent number: 10115781Abstract: A pixel array substrate includes a first substrate, pixel units, data lines, scan lines, constant voltage lines, a constant voltage source, a constant voltage pad, and a conductive pattern. The first substrate has pixel regions and a peripheral region surrounding the pixel regions. The conductive pattern includes conductive lines interlaced with each other to form a net and a conductive frame that surrounds and is electrically coupled to the conductive lines. The conductive frame is in electrical contact with the constant voltage pad within the peripheral region. Each pixel region is defined by two adjacent scan lines and two adjacent data lines. A portion of one of the constant voltage lines located completely within each of the pixel regions is in electrical contact with one of the conductive lines within the pixel region. An OLED display including the pixel array substrate and another OLED are also provided.Type: GrantFiled: February 19, 2016Date of Patent: October 30, 2018Assignee: Chunghwa Picture Tubes, LTD.Inventors: Szu-Chi Huang, Chin-Hai Huang, Bo-Jhang Sun
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Patent number: 10068522Abstract: A pixel array includes a plurality of pixels. Each pixel has a first sub-pixel, a second sub-pixel, and a pair of third sub-pixels. The first sub-pixel of each pixel and the first sub-pixels of three adjacent pixels are arranged in a two by two array, the second sub-pixel of each pixel and the second sub-pixels of three adjacent pixels are arranged in a two by two array, and one of each of the third sub-pixels of each pixel and one of the third sub-pixels of three adjacent pixels are arranged in a two by two array. A scan line is connected to a switch unit of each of the sub-pixels in a pixel.Type: GrantFiled: August 2, 2017Date of Patent: September 4, 2018Assignee: Chunghwa Picture Tubes, LTD.Inventors: Yen-Yu Huang, Chin-Hai Huang, Chi-Chung Tsai, Szu-Chi Huang
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Publication number: 20170330510Abstract: A pixel array includes a plurality of pixels. Each pixel has a first sub-pixel, a second sub-pixel, and a pair of third sub-pixels. The first sub-pixel of each pixel and the first sub-pixels of three adjacent pixels are arranged in a two by two array, the second sub-pixel of each pixel and the second sub-pixels of three adjacent pixels are arranged in a two by two array, and one of each of the third sub-pixels of each pixel and one of the third sub-pixels of three adjacent pixels are arranged in a two by two array. A scan line is connected to a switch unit of each of the sub-pixels in a pixel.Type: ApplicationFiled: August 2, 2017Publication date: November 16, 2017Applicant: Chunghwa Picture Tubes, LTD.Inventors: Yen-Yu Huang, Chin-Hai Huang, Chi-Chung Tsai, Szu-Chi Huang
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Patent number: 9773453Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.Type: GrantFiled: October 26, 2016Date of Patent: September 26, 2017Assignee: Chunghwa Picture Tubes, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9761171Abstract: A pixel array includes a plurality of pixels. Each pixel has a first sub-pixel, a second sub-pixel, and a pair of third sub-pixels. The first sub-pixel of each pixel and the first sub-pixels of three adjacent pixels are arranged in a two by two array, the second sub-pixel of each pixel and the second sub-pixels of three adjacent pixels are arranged in a two by two array, and one of each of the third sub-pixels of each pixel and one of the third sub-pixels of three adjacent pixels are arranged in a two by two array. A scan line is connected to a switch unit of each of the sub-pixels in a pixel.Type: GrantFiled: August 20, 2015Date of Patent: September 12, 2017Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Yen-Yu Huang, Chin-Hai Huang, Chi-Chung Tsai, Szu-Chi Huang
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Publication number: 20170053589Abstract: A pixel array includes a plurality of pixels. Each pixel has a first sub-pixel, a second sub-pixel, and a pair of third sub-pixels. The first sub-pixel of each pixel and the first sub-pixels of three adjacent pixels are arranged in a two by two array, the second sub-pixel of each pixel and the second sub-pixels of three adjacent pixels are arranged in a two by two array, and one of each of the third sub-pixels of each pixel and one of the third sub-pixels of three adjacent pixels are arranged in a two by two array. A scan line is connected to a switch unit of each of the sub-pixels in a pixel.Type: ApplicationFiled: August 20, 2015Publication date: February 23, 2017Inventors: Yen-Yu Huang, Chin-Hai Huang, Chi-Chung Tsai, Szu-Chi Huang
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Publication number: 20170047013Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.Type: ApplicationFiled: October 26, 2016Publication date: February 16, 2017Applicant: Chunghwa Picture Tubes, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9524672Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.Type: GrantFiled: November 18, 2015Date of Patent: December 20, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9397220Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a channel, a gate, a source, a drain and an etching stop layer. The channel is disposed above the substrate and is located between the etching stop layer and the source. The gate is disposed on the substrate and overlapped with the channel. The source is disposed between the channel and the substrate and electrically connected to the channel. The channel is disposed between the drain and the substrate. The etching stop layer is disposed between the drain and the channel and has a first through hole exposing a portion of the channel. The drain is filled in the first through hole of the etching stop layer and is electrically connected to the channel. The drain covers the channel completely.Type: GrantFiled: August 24, 2014Date of Patent: July 19, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Chin-Hai Huang, Chieh-Wei Feng, Szu-Chi Huang, Kune-Yu Lai, Yen-Yu Huang
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Publication number: 20160172431Abstract: A pixel array substrate includes a first substrate, pixel units, data lines, scan lines, constant voltage lines, a constant voltage source, a constant voltage pad, and a conductive pattern. The first substrate has pixel regions and a peripheral region surrounding the pixel regions. The conductive pattern includes conductive lines interlaced with each other to form a net and a conductive frame that surrounds and is electrically coupled to the conductive lines. The conductive frame is in electrical contact with the constant voltage pad within the peripheral region. Each pixel region is defined by two adjacent scan lines and two adjacent data lines. A portion of one of the constant voltage lines located completely within each of the pixel regions is in electrical contact with one of the conductive lines within the pixel region. An OLED display including the pixel array substrate and another OLED are also provided.Type: ApplicationFiled: February 19, 2016Publication date: June 16, 2016Inventors: Szu-Chi Huang, Chin-Hai Huang, Bo-Jhang Sun
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Patent number: 9299288Abstract: A driving circuit includes a first transistor, a capacitor, a second transistor, and a charging circuit. The input terminal of the first transistor is electrically connected to a voltage source. The output terminal of the first transistor is electrically connected to an organic light-emitting diode. The first terminal of the capacitor is electrically connected to the control terminal of the first transistor. The input terminal of the second transistor is electrically connected to the second terminal of the capacitor. The control terminal of the second transistor is electrically connected to a scan line. The output terminal of the second transistor is electrically connected to the output terminal of the first transistor. The charging circuit is electrically connected to the first and second terminals of the capacitor, the scan line, and a current source.Type: GrantFiled: October 11, 2013Date of Patent: March 29, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Publication number: 20160071462Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.Type: ApplicationFiled: November 18, 2015Publication date: March 10, 2016Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9262960Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.Type: GrantFiled: December 6, 2012Date of Patent: February 16, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Publication number: 20150364596Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a channel, a gate, a source, a drain and an etching stop layer. The channel is disposed above the substrate and is located between the etching stop layer and the source. The gate is disposed on the substrate and overlapped with the channel. The source is disposed between the channel and the substrate and electrically connected to the channel. The channel is disposed between the drain and the substrate. The etching stop layer is disposed between the drain and the channel and has a first through hole exposing a portion of the channel. The drain is filled in the first through hole of the etching stop layer and is electrically connected to the channel. The drain covers the channel completely.Type: ApplicationFiled: August 24, 2014Publication date: December 17, 2015Inventors: Chin-Hai Huang, Chieh-Wei Feng, Szu-Chi Huang, Kune-Yu Lai, Yen-Yu Huang
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Patent number: 9202407Abstract: An organic light emitting diode display apparatus and a pixel circuit thereof are provided. The pixel circuit includes a switch unit, a capacitor, a first transistor, a second transistor, a third transistor and an organic light emitting diode. In a pre-charging period, a first terminal of the capacitor receives a data voltage through the switch unit, and a second terminal of the capacitor receives a high voltage through the turned-on first transistor. In a programming period, the first terminal of the capacitor receives the data voltage through the switch unit, and the second terminal of the capacitor receives the high voltage that is encoded through the turned-on second and third transistors. In a display period, the first terminal of the capacitor receives a ground voltage through the switch unit, and the first and third transistors are turned-off.Type: GrantFiled: March 17, 2013Date of Patent: December 1, 2015Assignee: Chunghwa Picture Tubes, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9171501Abstract: An active matrix organic light emitting diode pixel (AMOLED) pixel structure includes a plurality of sub pixels, wherein at least one of the sub pixels comprises two secondary sub pixels, and the secondary sub pixels are disposed with organic light emitting materials with different light emitting characteristics respectively, so that lights emitted from the secondary sub pixels are mixed to adjust the performance of the sub pixels.Type: GrantFiled: December 17, 2013Date of Patent: October 27, 2015Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chin-Hai Huang, Szu-Chi Huang, Chun-Lin Chen
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Publication number: 20150123081Abstract: A pixel array substrate includes a first substrate, pixel units, data lines, scan lines, constant voltage lines, a constant voltage source, a constant voltage pad, and a conductive pattern. The first substrate has pixel regions and a peripheral region surrounding the pixel regions. The conductive pattern includes conductive lines interlaced with each other to form a net and a conductive frame that surrounds and is electrically coupled to the conductive lines. The conductive frame is in electrical contact with the constant voltage pad within the peripheral region. Each pixel region is defined by two adjacent scan lines and two adjacent data lines. A portion of one of the constant voltage lines located completely within each of the pixel regions is in electrical contact with one of the conductive lines within the pixel region. An OLED display including the pixel array substrate and another OLED are also provided.Type: ApplicationFiled: December 19, 2013Publication date: May 7, 2015Applicant: Chunghwa Picture Tubes, Ltd.Inventors: Szu-Chi Huang, Chin-Hai Huang, Bo-Jhang Sun