Patents Assigned to Quanta Display Inc.
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Patent number: 7100235Abstract: An automatic air-blown cleaning apparatus for cleaning a liquid crystal display (LCD) component in an LCD assembly process. The automatic air-blown cleaning apparatus has an assembly station for receiving and assembling the liquid crystal display component, a conveying device for delivering the liquid crystal display component to the next assembly station, and an air filtering blower provided on the conveying device. The air filtering blower sends an air flow toward the liquid crystal display component to remove residual matter from the liquid crystal display component.Type: GrantFiled: July 11, 2003Date of Patent: September 5, 2006Assignee: Quanta Display Inc.Inventors: I-Min Chin, Chien-Wen Lai
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Publication number: 20060193150Abstract: The present invention relates to a lens-arrayed backlight module, consisting of a housing, a plurality of lamps, and a plurality of lens plates. The lamps are disposed in parallel between the housing and the lens plates to provide illuminating rays. The lens plates correspond to the lamps respectively, each of which being mounted at the center axis of the corresponding lens plate so that the illuminating rays provided by the lamps diffuse through the lens plates. The present invention also provides a liquid crystal display device using the lens-arrayed backlight module.Type: ApplicationFiled: May 2, 2006Publication date: August 31, 2006Applicant: Quanta Display Inc.Inventors: Szu-Han Li, Yi-Chen Kuo, Hui-Ju Hsu, Chun-Chung Hsiao, Chun Chu
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Patent number: 7098062Abstract: A method of fabricating a pixel structure of TFT LCD is provided. First, a gate pattern, pixel electrode pattern, gate isolating layer and semiconductor layer are formed over the substrate sequentially. Then, a patterning process is performed to remove the first metal layer over the pixel electrode pattern, wherein the gate isolating layer and semiconductor layer are retained over the gate pattern. Next, a source pattern and drain pattern are sequentially formed over the substrate, and then a passivation layer and photoresist layer are formed over the substrate. Thereafter, a back side exposure process and a patterning process are performed by using the gate pattern, source pattern and drain pattern as mask to pattern the photoresist layer. Thereafter, the passivation layer is etched by using the patterned photoresist layer as mask to expose the transparent conductive layer of the pixel electrode pattern. Finally, the photoresist layer is removed.Type: GrantFiled: March 17, 2005Date of Patent: August 29, 2006Assignee: Quanta Display Inc.Inventor: Ming-Hung Shih
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Patent number: 7097342Abstract: A housing for a backlight module is disclosed. The housing has a bottom casing and a side frame for holding a lighting unit, a light guide plate having a protrusion, and optionally a plurality of optical sheets. In particular, an indentation part is formed on the side frame for holding the protrusion, and a slit with unequal width is formed adjacent to the indentation part. A backlight module using the above-mentioned housing is also disclosed therewith.Type: GrantFiled: May 10, 2004Date of Patent: August 29, 2006Assignee: Quanta Display Inc.Inventors: Yung-Ping Chuang, Keng-Ju Liu, Chun-Chi Hsu, Bing-Han Tsai, Mao-Wei Lin, Szu-Han Li, Li-Hwang Lu, Deng-Kuen Shiau, Chun-Ming Chen, Chun-Chien Chu
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Patent number: 7097338Abstract: A frame structure used in a backlight module is disclosed. The frame structure includes an upper frame and a lower frame. By combining the T-shape hook of the upper frame and the corresponding groove of the lower frame, the components of the backlight module, such as the linear light source, the light source fixer, the light guide, the upper diffusing plate, the reflective plate, the lower diffusing plate, and the prism plate can be well assembled. Therefore, an improved positioning and fixing efficacy is provided.Type: GrantFiled: March 30, 2006Date of Patent: August 29, 2006Assignee: Quanta Display Inc.Inventors: Szu-Han Li, Yung-Pin Chuang, Li-Huang Lu, Deng-Kuen Shiau
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Patent number: 7098978Abstract: A wide-viewing angle LCD comprises a first substrate and a second substrate disposed opposite each other with a liquid crystal layer disposed therebetween. A first electrode is disposed on the interior of the first substrate. A first protrusion or slit structure with a first pattern is formed on the first electrode. A second electrode is disposed on the interior of the second substrate. A second protrusion or slit structure with a second pattern is formed on the second electrode. The first and second patterns constitute a third pattern with at least one intersection.Type: GrantFiled: August 9, 2004Date of Patent: August 29, 2006Assignee: Quanta Display Inc.Inventors: Chien-Hua Chen, Yu-Fu Lin, Jung-Lieh Hsu, Ruei-Liang Luo
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Publication number: 20060187369Abstract: A liquid crystal display without storage capacitance electrode lines. A plurality of pixel areas is provided, each comprising a storage capacitor structure, a first substrate and a second substrate with a liquid crystal layer interposed therebetween. A discrete conductive layer is on the first substrate. An insulating layer is overlying the first substrate and the discrete conductive layer. A first transparent conductive layer is on part of the insulating layer to overlap a first portion of the discrete conductive layer. A second transparent conductive layer is on part of the insulating layer to overlap a second portion of the discrete conductive layer. A plug is to penetrate the insulating layer. The discrete conductive layer is electrically connected to the first transparent conductive layer or the second transparent conductive layer via the plug. A third transparent conductive layer serving as a common electrode electrically connects the first transparent conductive layer.Type: ApplicationFiled: April 21, 2006Publication date: August 24, 2006Applicant: Quanta Display Inc.Inventor: Yung-Chi Chang
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Publication number: 20060176414Abstract: A method for manufacturing a substrate of a TFT LCD device is disclosed with following steps: providing a transparent substrate having a thin film transistors area and a storing capacitor area; forming an aluminum metal layer and a metal protecting layer on the substrate; patterning a first pattern on the aluminum metal layer of the TFT area, and a second pattern on the metal protecting layer of the storing capacitor area through a halftone mask; forming an aluminum nitride layer on the patterned metal protecting layer; removing the aluminum nitride layer form a rugged surface; forming patterned gates, patterned sources, and patterned drains over the patterned metal protecting layer of the TFT area, and forming a second metal layer over the rugged surface of the aluminum layer on the storing capacitor area, wherein the second metal layer is electrically connected with the drains; and forming patterned pixel electrodes.Type: ApplicationFiled: January 31, 2006Publication date: August 10, 2006Applicant: Quanta Display Inc.Inventors: Chien-Hung Chen, Li-Kai Chen
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Patent number: 7086775Abstract: A backlight module for a liquid crystal display device is disclosed. The backlight module includes a bottom housing having at least one side frame that has a terminal installation part; a lamp bracket having a pair of opposing lamp supporters and a pair of opposing side shafts, wherein the lamp bracket is mounted on at least one side frame and can be moved relatively to at least one side frame; at least one first terminal mounted on the lamp supporters for conducting electrical signals; at least one lamp having a pair of electrodes engaging with at least one first terminal, wherein the electrode is at an end of the lamp; and at least one second terminal mounted on the terminal installation part, wherein at least one second terminal connects with an external driving device and has at least one electrical connecting surface for electrical connecting with the first terminal.Type: GrantFiled: June 7, 2004Date of Patent: August 8, 2006Assignee: Quanta Display Inc.Inventors: Hsin Tao Huang, Chun Chien Chu
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Publication number: 20060171169Abstract: A lamp positioning structure is disclosed. The lamp positioning structure is assembled on a display device and includes a fastening element mounted on a side plate of a rear plate. The lamp is curve-line-shaped and is mounted over the rear plate. Moreover, the lamp includes at least a curved section. Also, a display panel having a display area is assembled over the rear plate to cover the lamp. The curved section of the lamp is arranged in the display area without damaging the brightness uniformity nearby. In addition, two elastic arms are disposed on both lateral sides of the fastening element to abut against the curved section. Through the arrangement of the positioning structure, the breakage and the displacement of the lamp can be reduced or even prevented. The brightness of the curved section corresponding to the fastening element becomes more uniform and without definite dark spots.Type: ApplicationFiled: January 20, 2006Publication date: August 3, 2006Applicant: Quanta Display Inc.Inventors: Yi-Chen Kuo, Wei-Chih Chiu, Hsin-Chih Chen, Shr-Bin Lin, Yu-Chen Hsu, Kuang-Yu Fan
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Publication number: 20060171172Abstract: A frame structure used in a backlight module is disclosed. The frame structure includes an upper frame and a lower frame. By combining the T-shape hook of the upper frame and the corresponding groove of the lower frame, the components of the backlight module, such as the linear light source, the light source fixer, the light guide, the upper diffusing plate, the reflective plate, the lower diffusing plate, and the prism plate can be well assembled. Therefore, an improved positioning and fixing efficacy is provided.Type: ApplicationFiled: March 30, 2006Publication date: August 3, 2006Applicant: Quanta Display Inc.Inventors: Szu-Han Li, Yung-Pin Chuang, Li-Huang Lu, Deng-Kuen Shiau
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Publication number: 20060139521Abstract: A method of manufacturing a reflecting substrate in a liquid crystal display device is disclosed, comprising the steps of: (a) providing a substrate having a first metal layer, wherein the first metal layer is formed with at least one soft metal or the alloys thereof; and (b) forming an aluminum nitride layer on the first metal layer. The method of the present invention is capable of forming a rugged, shining, reflective layer on a transflective, or a reflection type TFT LCD with simple steps and low cost.Type: ApplicationFiled: November 9, 2005Publication date: June 29, 2006Applicant: Quanta Display Inc.Inventors: Ching-Hung Chen, Lung-Pao Shin, Ming-Yan Tsai
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Publication number: 20060125972Abstract: A method for manufacturing a pixel electrode contact structure of a thin-film transistors liquid crystal display is disclosed. First, a transparent substrate having a first insulating layer thereon is provided. Afterward, a first metal layer and a second metal layer are sequentially formed on the substrate and then be patterned by a halftone technology and an etching process, wherein the second metal layer is removed within the pixel electrode contact area. In the meantime, the drain lines of the thin-film transistor comprising the first metal layer and the second metal layer are formed. Next, a patterned passivation layer is formed on the substrate. Finally, a pixel electrode layer directly connecting the first metal layers within the pixel electrode contact structure is formed on the substrate. This invention provides the pixel electrode contact structure with low contact resistance and prevents the current leakage from the drain line to the storage capacitor.Type: ApplicationFiled: July 25, 2005Publication date: June 15, 2006Applicant: Quanta Display Inc.Inventor: Wen-Yi Shyu
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Publication number: 20060126357Abstract: The present invention relates to a sheet-like light source device, including a light-conducting plate having at least one convex portion disposed on the lateral portion thereof; at least one light-source unit disposed on one side of the light-conducting plate, which includes a light source and a reflecting sheet; and a housing having a chassis and at least one frame; in which the frame is mounted on the edges of the chassis, and a concave portion corresponding to the convex portion of the light-conducting plate to hold the convex portion and a plurality of light-guiding mechanisms are formed on the frame. The present invention further has a housing for a sheet-like light source device, including a chassis and a frame mounted on the edges of the chassis, in which a concave portion and a plurality of light-guiding mechanisms are formed on the frame.Type: ApplicationFiled: September 14, 2005Publication date: June 15, 2006Applicant: Quanta Display Inc.Inventors: Tzu Huang, Chun Chu
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Patent number: 7060540Abstract: A method of fabricating a thin film transistor array is provided. A first patterned conductive layer that distributes over an area range exceeding the designated display region is formed over a substrate. A first dielectric layer is formed over the substrate, wherein the first dielectric layer has the thickness getting smaller toward the edge, so that the first patterned conductive layer outside the designated display region is exposed. A second patterned conductive layer is formed over the first dielectric layer. The second patterned conductive layer and the exposed first patterned conductive layer are electrically connected. A second dielectric layer having a plurality of contact openings therein is formed over the substrate. A plurality of pixel electrodes is formed over the second dielectric layer such that the pixel electrode and the second patterned conductive layer are electrically connected through the contact openings. Finally, various layers outside the designated display regions are removed.Type: GrantFiled: April 2, 2003Date of Patent: June 13, 2006Assignee: Quanta Display Inc.Inventor: Meng-Yi Hung
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Patent number: 7060195Abstract: A plurality of scan lines and gate electrodes are formed on a pixel array area of a substrate, and a plurality of bottom pad electrodes are formed on a gate and a source pad area of the substrate. An insulating layer and a plurality of active layers are formed on the substrate. A plurality of signal lines, source/drain electrodes are formed on the pixel array area, and a plurality of top pad electrodes are formed on the gate and the source pad area. A circuit testing process is performed. A passivation layer having via holes is formed on the pixel array area, and a plurality of contact holes are formed in the gate and the source pad area. A patterned transparent conductive layer filling the via holes and the contact holes is formed on the substrate.Type: GrantFiled: April 14, 2003Date of Patent: June 13, 2006Assignee: Quanta Display Inc.Inventor: Lu-Kuen Chang
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Patent number: 7045817Abstract: The invention provides a TFT electrode structure and its manufacturing method that can prevent metal diffusion occurring in the fabrication of a TFT, and thereby reduce the risk of contamination of the chemical vapor deposition process due to metallic ion diffusion. The transparent pixel electrode is formed after the gate electrode metal so that the pixel transparent electrode can be used as a barrier layer to prevent metal diffusion under high temperature from the gate electrode metal to adjacent insulating layers or the active layer. Further, the method used to form the transparent pixel electrode is a low-temperature physical vapor deposition process, which affected less by the processing environment, and the transparent pixel electrode is a conductive layer that is not affected by metal diffusion.Type: GrantFiled: October 15, 2004Date of Patent: May 16, 2006Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corp, Quanta Display Inc., Hannstar Display Corp, Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp.Inventors: Cheng-Chung Chen, Yu-Chang Sun, Yi-Hsun Huang, Chien-Wei Wu, Shuo-Wei Liang, Chia-Hsiang Chen, Chi-Shen Lee, Chai-Yuan Sheu, Yu-Chi Lee, Te-Ming Chu, Cheng-Hsing Chen
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Patent number: 7044747Abstract: A wiring structure comprising a plurality of conductive wires coupled between a plurality of pixel terminals and a plurality of signal terminals of a flat panel display. Each conductive wire has a first portion of a first material with a first impedance and a second portion of a second material with a second impedance. Therefore, each conductive wire has the same impedance, thus enabling synchronous signal transmission and avoiding unstable display quality due to impedance disparity and asynchronous signals.Type: GrantFiled: August 5, 2004Date of Patent: May 16, 2006Assignee: Quanta Display Inc.Inventor: Meng-Yi Hung
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Publication number: 20060092670Abstract: An impact-resistant structure for a light source of a flat panel display device is disclosed. The impact-resistant structure for protecting a light source mainly includes a reflector having an accommodating space and at least a protrusion located at the two ends of the reflector. The two protrusions can effectively absorb or buffer off the impact caused from the movement of a light guide plate without blocking light from the light source. A similar protective structure of a light cover having stoppers and an accommodating space for locating reflector is also disclosed.Type: ApplicationFiled: October 17, 2005Publication date: May 4, 2006Applicant: Quanta Display Inc.Inventors: Deng-Kuen Shiau, Shr-Bin Lin, Wei-Chih Chiu, Chia-Hong Chen, Chia-Yun Hsu, Yu-Chen Hsu
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Publication number: 20060087609Abstract: A liquid crystal display device is disclosed, which has a first substrate, a second substrate and a liquid crystal layer. The second substrate includes pixel electrodes, first electrically conductive lines, electrically conductive lines, common wires, switch elements, and a dielectric layer. First electrically conductive lines intersect with common wires on the second substrate. The first electrically conductive lines outside of an intersection area are sandwiched between pixel electrodes and the second substrate and covered by the projection of the pixel electrodes on the second substrate. A switch element connects with the first and second electrically conductive lines. Moreover, a dielectric layer sandwiched between the pixel electrodes and the second substrate covers the first electrically conductive lines, the common wires, and the second electrically conductive lines. Therefore, the liquid crystal display device can prevent non-uniform brightness due to different levels of parasitic capacitance.Type: ApplicationFiled: August 2, 2005Publication date: April 27, 2006Applicant: Quanta Display Inc.Inventor: Daniel Lee