Patents by Inventor Chia-Hua Yu
Chia-Hua Yu 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: 7800704Abstract: A liquid crystal display is disclosed. The liquid crystal display comprises a gate line, a data line, a first common line and a continuous second common line. The gate line is disposed on a substrate, and the data line intersects the gate line. The first common line is parallel with the gate line and the second common line intersects through the gate line. By this invention, the first common lines and second common lines of pixels can form a reticular structure for reducing RC delay effect of the common line.Type: GrantFiled: November 13, 2006Date of Patent: September 21, 2010Assignee: Hannstar Display Corp.Inventors: Sung-Chun Lin, Chia-Hua Yu, Chia-Te Liao, Hsuan-Chen Liu, Chen-Yin Su
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Publication number: 20100225867Abstract: A TFT array substrate includes a plurality of gate lines, common lines, data lines and pixel electrodes. Each common line includes a common electrode which is perpendicular to the gate line and has a first width. The data line has a second width and is perpendicular to the gate line, wherein two adjacent gate lines and two adjacent data lines define a pixel. The pixel electrodes are located in the pixels respectively, wherein the common electrode is overlapped with the data line and a part of the pixel electrode, and the common electrode completely shelters a gap between the pixel electrode and the data line.Type: ApplicationFiled: November 20, 2009Publication date: September 9, 2010Applicant: HANNSTAR DISPLAY CORP.Inventors: Ling Chih Kao, Hui Fang Cheng, Sung Chun Lin, Kun Cheng Lee, Chia Hua Yu
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Publication number: 20100225859Abstract: A TFT array substrate includes gate lines, data lines, and first and second common lines. The gate lines are disposed on a transparent substrate. The first gate lines to the N+1-th gate lines are arranged in order, and N is a positive number. The data lines cross the gate lines. There is no pixel region defined by the N-th and N+1-th gate lines and adjacent two of the data lines, when N is an even number. There are two pixel regions being left and right pixel region defined by the N-th and N+1-th gate lines and adjacent two of the data lines, when N is an odd number. The first common lines are parallel to the gate lines. The second common lines are parallel to the data lines and electrically connected to the first common lines, wherein each second common line is disposed between the left and right pixel regions.Type: ApplicationFiled: April 30, 2010Publication date: September 9, 2010Applicant: HANNSTAR DISPLAY CORP.Inventors: Jui Hsin TSAI, Chia Hua YU, Kun Chen LEE
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Publication number: 20100225840Abstract: A grounding structure for a display device is provided. The grounding structure includes a substrate, a first connecting pad, a second connecting pad, a connecting structure and a grounding line. The first and second connecting pads are disposed on the substrate. The connecting structure electrically connects the first and second connecting pads. The first grounding line is disposed on the substrate, and has a length larger than two thirds of the projected length of the connecting structure on the surface of the substrate.Type: ApplicationFiled: September 16, 2009Publication date: September 9, 2010Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Hsuan-Chen LIU, Sung-Chun LIN, Kun Cheng LEE, Chia Hua YU
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Publication number: 20100207902Abstract: An in-cell touch-sensitive panel includes TFT and CF substrates. The TFT substrate includes a net-shaped readout circuit and conductive pads arranged in array manner. The net-shaped readout circuit includes widthwise and lengthwise readout lines. The widthwise readout lines are electrically connected to the lengthwise readout lines. The conductive pads are electrically connected to the net-shaped readout circuit. Spacers are adapted to keep a first gap between the TFT and CF substrates. Protrudent portions are arranged to be corresponding to the conductive pads, and there is a second gap between the protrudent portion and the conductive pad. A transparent electrode covers the spacers and the protrudent portion.Type: ApplicationFiled: February 12, 2010Publication date: August 19, 2010Applicant: HANNSTAR DISPLAY CORP.Inventors: Yi Chung JUAN, Chia Hua Yu, Sung Chun Lin, Hsu Ho Wu
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Publication number: 20100073065Abstract: An integrated gate driver circuit receives a plurality of clocks and includes a plurality of driving units cascaded in series. Each driving unit is for driving a load and includes an input terminal, an output terminal, a first switch and a second switch. The first switch has a first terminal coupled to the input terminal, a second terminal coupled to a first node, and a control terminal receiving a first clock, and the first switch is turned on when the first clock is at high level. The second switch has a first terminal receiving a second clock, a second terminal coupled to the output terminal, and a control terminal coupled to the first node, wherein the second clock charges and discharges the load through the second switch when the first node is at high level; wherein the output terminal of each driving unit is coupled to the input terminal of the immediately succeeding driving unit.Type: ApplicationFiled: September 16, 2009Publication date: March 25, 2010Applicant: HANNSTAR DISPLAY CORP.Inventors: Yan Jou CHEN, Yung Hsin LU, Chia Hua YU, Sung Chun LIN
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Patent number: 7623191Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: GrantFiled: September 19, 2006Date of Patent: November 24, 2009Assignee: Hannstar Display Corp.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20090273750Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: ApplicationFiled: July 14, 2009Publication date: November 5, 2009Applicant: HANNSTAR DISPLAY CORP.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20090115959Abstract: 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: ApplicationFiled: January 8, 2009Publication date: May 7, 2009Applicant: HANNSTAR DISPLAY CORP.Inventors: Kun-Chen Lee, Chia-Hua Yu, Sung-Chun Lin, Chang-Ching Yeh, Hsuan-Chen Liu
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Publication number: 20090102998Abstract: A display apparatus comprises a substrate, a first lead, a second lead and a third lead. The first lead and second lead are provided on the substrate and intersect at a first overlapping area. The third lead surrounds the first overlapping area where the first lead and second lead cross each other. The third lead intersects the first lead respectively at a second overlapping area and a third overlapping area.Type: ApplicationFiled: October 16, 2008Publication date: April 23, 2009Applicant: HANNSTAR DISPLAY CORPORATIONInventors: YI TSE LIN, HSU HO WU, CHIA HUA YU, HUI FANG CHENG
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Publication number: 20090102539Abstract: A pixel, according to the invention, comprises a pixel electrode, a data line, and a switch element. The switch element comprises a gate electrode, a first electrode, a second electrode, and a semiconductor layer. The first electrode is electrically connected to the pixel electrode and comprises a first portion and a second portion. The second portion has a curved structure and comprises a first terminal connected to the first portion and a second terminal. The first terminal of the second portion is substantially aligned with the second terminal thereof. The second electrode is electrically connected to the data line. The second electrode forms or the second electrode and the data line together form a concave area where the first electrode is disposed in. The semiconductor layer is disposed between the first electrode, the second electrode, and the gate electrode.Type: ApplicationFiled: December 12, 2007Publication date: April 23, 2009Applicant: HANNSTAR DISPLAY CORP.Inventors: Chang-Ching Yeh, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20090027367Abstract: A circuit of a liquid crystal display device for generating common voltages comprises an initial voltage source, an inverter, and a panel common voltage input port. The initial voltage source generates an initial voltage. The voltage signal from the panel common voltage input port passes through the inverter to become a compensation voltage. The initial voltage is compensated by the compensation voltage to result in a compensated common voltage. The compensated common voltage supplies the panel of the liquid crystal display device.Type: ApplicationFiled: July 16, 2008Publication date: January 29, 2009Applicant: HANNSTAR DISPLAY CORPORATIONInventors: HSUAN CHEN LIU, HSU HO WU, CHIA HUA YU, CHUN CHIN TSENG, KUN CHENG LEE, YI TSE LIN
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Publication number: 20080174583Abstract: A compensating feed-through voltage display device comprises a first gamma circuit, a second gamma circuit, a first driving circuit and a second driving circuit. The first gamma circuit generates first group gamma voltages. The second gamma circuit generates second group gamma voltages differing from the first group gamma voltages by a preset first voltage. The first driving circuit transmits a plurality of first data signals to a display array according to the first group gamma voltages and a first control signal. The second driving circuit transmits a plurality of second data signals to the display array according to the second group gamma voltages and a second control signal.Type: ApplicationFiled: January 22, 2007Publication date: July 24, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Kun-Chen Lee, Chia-Hua Yu, Sung-Chun Lin, Min-Hsiang Hong, Hui-Fang Cheng
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Patent number: 7374845Abstract: A method of forming a color filter layer having a light-scattering effect. First, substrate is provided, and a color filter layer is coated on the substrate. Then, an exposure-and-development process is performed to pattern the color filter layer. Subsequently, the color filter layer is post-baked to render the color filter layer a rough surface to provide the light-scattering effect, wherein the color filter layer has a surface roughness index Rz in the range of 0.5 to 2.0 ?m.Type: GrantFiled: August 29, 2006Date of Patent: May 20, 2008Assignee: HannStar Display Corp.Inventors: Szu-Yu Fang, Chia-Hua Yu, Tean-Sen Jen
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Publication number: 20080111962Abstract: A liquid crystal display is disclosed. The liquid crystal display comprises a gate line, a data line, a first common line and a continuous second common line. The gate line is disposed on a substrate, and the data line intersects the gate line. The first common line is parallel with the gate line and the second common line intersects through the gate line. By this invention, the first common lines and second common lines of pixels can form a reticular structure for reducing RC delay effect of the common line.Type: ApplicationFiled: November 13, 2006Publication date: May 15, 2008Inventors: Sung-Chun Lin, Chia-Hua Yu, Chia-Te Liao, Hsuan-Chen Liu, Chen-Yin Su
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Publication number: 20080068549Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: ApplicationFiled: September 19, 2006Publication date: March 20, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20080057416Abstract: A method of forming a color filter layer having a light-scattering effect. First, substrate is provided, and a color filter layer is coated on the substrate. Then, an exposure-and-development process is performed to pattern the color filter layer. Subsequently, the color filter layer is post-baked to render the color filter layer a rough surface to provide the light-scattering effect, wherein the color filter layer has a surface roughness index Rz in the range of 0.5 to 2.0 ?m.Type: ApplicationFiled: August 29, 2006Publication date: March 6, 2008Inventors: Szu-Yu Fang, Chia-Hua Yu, Tean-Sen Jen