Patents by Inventor Ko-ruey Jen
Ko-ruey Jen 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: 11183660Abstract: A display device includes a substrate, an auxiliary electrode, a buffer layer, a plurality of active elements, and a plurality of light-emitting elements. The auxiliary electrode is disposed on the substrate and overlapped with an active region. The buffer layer is disposed on the auxiliary electrode. The plurality of active elements are disposed on the buffer layer and disposed in the active region. The plurality of light-emitting elements are electrically connected with the active elements, respectively. Each of the light-emitting elements includes a first electrode, a second electrode, and a light-emitting layer disposed between the first electrode and the second electrode. Each of the second electrodes is electrically connected with the auxiliary electrode.Type: GrantFiled: November 14, 2019Date of Patent: November 23, 2021Assignee: Au Optronics CorporationInventors: Wei-Chu Hsu, Ko-Ruey Jen
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Publication number: 20200212350Abstract: A display device includes a substrate, an auxiliary electrode, a buffer layer, a plurality of active elements, and a plurality of light-emitting elements. The auxiliary electrode is disposed on the substrate and overlapped with an active region. The buffer layer is disposed on the auxiliary electrode. The plurality of active elements are disposed on the buffer layer and disposed in the active region. The plurality of light-emitting elements are electrically connected with the active elements, respectively. Each of the light-emitting elements includes a first electrode, a second electrode, and a light-emitting layer disposed between the first electrode and the second electrode. Each of the second electrodes is electrically connected with the auxiliary electrode.Type: ApplicationFiled: November 14, 2019Publication date: July 2, 2020Applicant: Au Optronics CorporationInventors: Wei-Chu Hsu, Ko-Ruey Jen
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Patent number: 10504401Abstract: A display panel is provided. A pixel array includes a plurality of first subpixels, a first source line coupled to the first subpixels, a plurality of second subpixels displaying the same with the first subpixels, and a second source line coupled to the second subpixels. A multiplexer circuit includes a first switch coupled between the first source line and a source driver and a second switch coupled between the second source line and the source driver. A first compensation capacitor couples between the first source line and a reference voltage, and a capacitance value thereof is related to a cut-off time point of the first switch. A second compensation capacitor couples between the second source line and the reference voltage, and a capacitance value thereof the second compensation capacitor is related to a cut-off time point of the second switch different from the cut-off time point of the second switch.Type: GrantFiled: July 9, 2018Date of Patent: December 10, 2019Assignee: Au Optronics CorporationInventors: Wei-Chu Hsu, Ko-Ruey Jen
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Publication number: 20190189043Abstract: A display panel is provided. A pixel array includes a plurality of first subpixels, a first source line coupled to the first subpixels, a plurality of second subpixels displaying the same with the first subpixels, and a second source line coupled to the second subpixels. A multiplexer circuit includes a first switch coupled between the first source line and a source driver and a second switch coupled between the second source line and the source driver. A first compensation capacitor couples between the first source line and a reference voltage, and a capacitance value thereof is related to a cut-off time point of the first switch. A second compensation capacitor couples between the second source line and the reference voltage, and a capacitance value thereof the second compensation capacitor is related to a cut-off time point of the second switch different from the cut-off time point of the second switch.Type: ApplicationFiled: July 9, 2018Publication date: June 20, 2019Applicant: Au Optronics CorporationInventors: Wei-Chu Hsu, Ko-Ruey Jen
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Publication number: 20160125808Abstract: A pixel structure includes a light-emitting diode, a transistor, a data-receiving unit, a compensating unit, and a resetting unit. The transistor is configured to be electrically coupled to the light-emitting diode, and drive the light-emitting diode based on a voltage difference between the control terminal and the first terminal of the transistor. The data-receiving unit is configured to be electrically coupled to the first terminal of the transistor, and provide a pixel date signal to the first terminal of the transistor based on a first scan signal. The compensating unit is electrically coupled to the control terminal and the second terminal of the transistor to act as a current path therebetween. The resetting unit is electrically coupled to the light-emitting diode. The resetting unit is configured to respectively provide a reverse bias and reference voltage to the light-emitting diode and the control terminal of the transistor.Type: ApplicationFiled: January 29, 2015Publication date: May 5, 2016Inventors: Wei-Chu HSU, Pi-Cheng WU, Ko-Ruey JEN, Chien-Ya LEE
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Patent number: 9214598Abstract: A pixel structure of a liquid crystal display panel includes a first substrate; a color filter layer formed on the first substrate, the color filter layer comprising a plurality of filtering areas for filtering light, and a plurality of blocking areas for blocking light; a main spacer formed on one of the blocking areas; a sub spacer formed on another one of the blocking areas; a second substrate; a thin film transistor formed on the second substrate; an insulating layer formed above the thin film transistor and the second substrate; a liquid crystal layer formed between the first substrate and the second substrate; wherein a distance from an upper surface of the insulating layer near the main spacer to the second substrate is greater than a distance from an upper surface of the insulating layer near the sub spacer to the second substrate.Type: GrantFiled: October 21, 2013Date of Patent: December 15, 2015Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
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Patent number: 9170448Abstract: A display apparatus includes a transparent substrate, a transparent matrix layer, a black matrix layer and a conductive layer. The transparent matrix layer is disposed above the transparent substrate. The black matrix layer is disposed below the transparent substrate. The conductive layer is disposed between the transparent substrate and the black matrix layer.Type: GrantFiled: June 26, 2012Date of Patent: October 27, 2015Assignee: HANNSTAR DISPLAY CORP.Inventors: Feng-Wei Kuo, Ko-Ruey Jen, Chia-Hua Yu, I-Fang Wang
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Patent number: 9029876Abstract: There is provided a pixel structure of a liquid crystal panel including a transparent substrate, and a gate line, a data line, a switching transistor, a first electrode, a second electrode and a shield layer formed on the transparent substrate. The gate line is substantially perpendicular to the data line. The switching transistor is located adjacent to a crossing point of the gate line and the data line, and is configured to input a display voltage of the data line to the second electrode according to the control of the gate line. The first electrode and the second electrode are arranged in such a way that the display voltage forms a transverse electric field between the first electrode and the second electrode. The shield layer overlaps at least a part of the gate and is electrically isolated from the first electrode and the second electrode.Type: GrantFiled: December 19, 2011Date of Patent: May 12, 2015Assignee: Hannstar Display Corp.Inventors: Chia Hua Yu, I Fang Wang, Feng Weei Kuo, Jui Chi Lai, Ko Ruey Jen, Guang Shiung Chao
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Patent number: 8982303Abstract: A transflective type liquid crystal display comprises a first substrate with a reflective region and a transmission region. A gate region, an insulation layer and a semiconductor layer are sequentially formed on the first substrate. The semiconductor layer has a source region, a drain region and a channel region. A first dielectric layer is disposed on the semiconductor layer and has a through hole to expose a part of the drain region. A first common electrode is disposed on the first dielectric layer and the through hole to cover the exposed part of the drain region. A reflective electrode is disposed on the first dielectric layer located in the reflective region. A second dielectric layer is disposed on the first common electrode and the reflective electrode. A pixel electrode is disposed on the second dielectric layer and connected to the drain region via the through hole.Type: GrantFiled: July 8, 2013Date of Patent: March 17, 2015Assignee: HannStar Display CorporationInventors: Chia-Hua Yu, Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
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Publication number: 20150034943Abstract: The present invention discloses a thin film transistor array substrate comprising a plurality of thin film transistors, with each one thereof including a gate electrode, a gate insulation layer, an amorphous-oxide semiconductor layer and a pair of a source electrode and a drain electrode. The amorphous-oxide semiconductor layer comprises an amorphous-oxide semiconductor material having a-IGZO. The thin film transistor array substrate further comprises a first insulation layer and a second insulation layer disposed on the thin film transistors. Since the a-IGZO semiconductor layer and the thick insulation layer covered thereon are used in the present invention, a common electrode can overlap the scan lines or data lines to increase the aperture ratio of the pixel structure. Furthermore, the thick insulation layer can be fabricated through a coating process, so as to keep the a-IGZO semiconductor layer from damages during the fabrication processes.Type: ApplicationFiled: March 23, 2014Publication date: February 5, 2015Applicant: HannStar Display Corp.Inventors: Chia-Hua Yu, Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
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Publication number: 20140340603Abstract: A pixel array substrate includes a substrate, a plurality of thin-film transistors disposed on the substrate, a first insulating layer covering the thin-film transistors and the substrate, a common electrode disposed on the first insulating layer, a second insulating layer covering the first insulating layer and the common electrode, and a plurality of pixel electrodes disposed on the second insulating layer. Each thin-film transistor includes a drain electrode. The first insulating layer includes a plurality of first openings exposing the drain electrodes respectively. The second insulating layer includes a plurality of second openings exposing the first openings respectively. Each pixel electrode is electrically connected to each drain electrode respectively through each first opening and each second opening. The first insulating layer includes a thickness between 1 micron and 5 microns.Type: ApplicationFiled: July 11, 2013Publication date: November 20, 2014Inventors: Hsien-Tang Hu, Da-Ching Tang, Ko-Ruey Jen, Jui-Chi Lai
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Publication number: 20140226099Abstract: A transflective type liquid crystal display comprises a first substrate with a reflective region and a transmission region. A gate region, an insulation layer and a semiconductor layer are sequentially formed on the first substrate. The semiconductor layer has a source region, a drain region and a channel region. A first dielectric layer is disposed on the semiconductor layer and has a through hole to expose a part of the drain region. A first common electrode is disposed on the first dielectric layer and the through hole to cover the exposed part of the drain region. A reflective electrode is disposed on the first dielectric layer located in the reflective region. A second dielectric layer is disposed on the first common electrode and the reflective electrode. A pixel electrode is disposed on the second dielectric layer and connected to the drain region via the through hole.Type: ApplicationFiled: July 8, 2013Publication date: August 14, 2014Inventors: Chia-Hua YU, Hsien-Tang HU, Ko-Ruey JEN, Jui-Chi LAI
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Patent number: 8796688Abstract: A pixel structure, a method of manufacturing the pixel structure, and an active device matrix substrate are provided. The pixel structure includes a first patterned metal layer having a common line and a gate; a first insulation layer; a semiconductor pattern; a second patterned metal layer having a source and a drain both electrically connected to the semiconductor pattern; a second insulation layer having a contact opening exposing the drain; and an electrode layer having a common electrode, and a pixel electrode connected to the drain through the contact opening. The common line, the first insulation layer, and the pixel electrode constitute a first storage capacitor. The common line, the drain, and the common electrode constitute a sandwich structure. The common line, the first insulation layer, and the drain constitute a second storage capacitor. The drain, the second insulation layer, and the common electrode constitute a third storage capacitor.Type: GrantFiled: August 23, 2012Date of Patent: August 5, 2014Assignee: Hannstar Display CorporationInventors: Feng-Weei Kuo, Ko-Ruey Jen, Chia-Hua Yu, I-Fang Wang
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Publication number: 20140168583Abstract: A pixel structure of a liquid crystal display panel includes a first substrate; a color filter layer formed on the first substrate, the color filter layer comprising a plurality of filtering areas for filtering light, and a plurality of blocking areas for blocking light; a main spacer formed on one of the blocking areas; a sub spacer formed on another one of the blocking areas; a second substrate; a thin film transistor formed on the second substrate; an insulating layer formed above the thin film transistor and the second substrate; a liquid crystal layer formed between the first substrate and the second substrate; wherein a distance from an upper surface of the insulating layer near the main spacer to the second substrate is greater than a distance from an upper surface of the insulating layer near the sub spacer to the second substrate.Type: ApplicationFiled: October 21, 2013Publication date: June 19, 2014Applicant: HannStar Display Corp.Inventors: Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
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Patent number: 8643031Abstract: There is provided a pixel structure of a liquid crystal panel including a transparent substrate, and a gate line, a data line, a switching transistor, a first electrode, a second electrode and a shield layer formed on the transparent substrate. The gate line is substantially perpendicular to the data line. The switching transistor is located adjacent to a crossing point of the gate line and the data line, and is configured to input a display voltage of the data line to the second electrode according to the control of the gate line. The first electrode and the second electrode are arranged in such a way that the display voltage forms a transverse electric field between the first electrode and the second electrode. The shield layer overlaps at least a part of the gate and is electrically isolated from the first electrode and the second electrode.Type: GrantFiled: December 19, 2011Date of Patent: February 4, 2014Assignee: HannStar Display Corp.Inventors: Chia Hua Yu, I Fang Wang, Feng Weei Kuo, Jui Chi Lai, Ko Ruey Jen, Guang Shiung Chao
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Publication number: 20130328052Abstract: A pixel structure, a method of manufacturing the pixel structure, and an active device matrix substrate are provided. The pixel structure includes a first patterned metal layer having a common line and a gate; a first insulation layer; a semiconductor pattern; a second patterned metal layer having a source and a drain both electrically connected to the semiconductor pattern; a second insulation layer having a contact opening exposing the drain; and an electrode layer having a common electrode, and a pixel electrode connected to the drain through the contact opening. The common line, the first insulation layer, and the pixel electrode constitute a first storage capacitor. The common line, the drain, and the common electrode constitute a sandwich structure. The common line, the first insulation layer, and the drain constitute a second storage capacitor. The drain, the second insulation layer, and the common electrode constitute a third storage capacitor.Type: ApplicationFiled: August 23, 2012Publication date: December 12, 2013Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Feng-Weei Kuo, Ko-Ruey Jen, Chia-Hua Yu, I-Fang Wang
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Publication number: 20130187865Abstract: A display apparatus includes a transparent substrate, a transparent matrix layer, a black matrix layer and a conductive layer. The transparent matrix layer is disposed above the transparent substrate. The black matrix layer is disposed below the transparent substrate. The conductive layer is disposed between the transparent substrate and the black matrix layer.Type: ApplicationFiled: June 26, 2012Publication date: July 25, 2013Applicant: HANNSTAR DISPLAY CORP.Inventors: Feng-Wei Kuo, Ko-Ruey Jen, Chia-Hua Yu, I-Fang Wang
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Publication number: 20130176514Abstract: The present invention provides a pixel structure of a display apparatus. The pixel structure is disposed on a substrate of the display apparatus. The pixel structure comprises pixel electrode and at least one switching element electrically connected to the pixel electrode. The switching element comprises a first electrode including an opening, and a second electrode including a bend extension portion, wherein the bend extension portion extends into the opening of the first electrode. The present invention can improve the problems existing in a conventional optically compensated birefringence (OCB) mode liquid crystal display.Type: ApplicationFiled: July 19, 2012Publication date: July 11, 2013Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Ko-ruey Jen, Chao-hui Wu
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Publication number: 20130021551Abstract: An in-plane switching (IPS) liquid crystal display panel and a method for manufacturing the same are disclosed. The method comprises the following steps: forming gate lines, data lines, common lines, pixel electrodes and common electrodes on a first substrate in sequence, wherein at least a portion of each of the common lines is positioned above each of the gate lines; and forming a liquid crystal layer between the first substrate and a second substrate.Type: ApplicationFiled: February 10, 2012Publication date: January 24, 2013Applicant: Hannstar Display CorporationInventors: CHIA-HUA YU, I-fang Wang, Feng-weei Kuo, Ko-ruey Jen, Guang-shiung Chao