Patents by Inventor Huai-An Li
Huai-An Li 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: 20110090196Abstract: A liquid crystal display having pixel data self-retaining functionality includes a gate line for delivering a gate signal, a data line for delivering a data signal, a control unit for providing a first control signal and a second control signal, a data switch, a voltage-control inverter, a liquid crystal capacitor, and a pass transistor. The data switch is utilized for inputting the data signal to become a first data signal according to the gate signal. The voltage-control inverter is utilized for inverting the first data signal to generate a second data signal furnished to the liquid crystal capacitor according to the enable operation of the first control signal. The pass transistor is used for passing the second data signal to become the first data signal or for passing the first data signal to become the second data signal according to the second control signal.Type: ApplicationFiled: April 6, 2010Publication date: April 21, 2011Inventors: Yu-Hsuan Li, Yu-Jung Liu, Chun-Hung Kuo, Chun-Huai Li
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Publication number: 20110084598Abstract: A carbonitride phosphor is provided, which is represented by a general chemical formula of (M1-x-yNxCey)2(CN2)3, in which 0.005?x?0.20, 0.005?y?0.15, and M and N are respectively selected from a group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and cassiopeium.Type: ApplicationFiled: January 20, 2010Publication date: April 14, 2011Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Teng-Ming Chen, Yun-Chen Wu, Chuang-Hung Chiu, Huai-An Li, Chi-Neng Mo
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Publication number: 20110079754Abstract: A fabricating method of nano-powder is provided. First, a mixture having at least a first material and a second material is provided. Then, the mixture is sintered to obtain a single phase alloy body. After that, the single phase alloy body is pre-crumbled to obtain a powder to be ground. Then, a chemical dispersant is added into the powder to further be ground, so as to obtain the nano-powder.Type: ApplicationFiled: December 7, 2009Publication date: April 7, 2011Applicant: Chunghwa Picture Tubes, LTD.Inventors: Tsung-Eong Hsieh, Chun-Chieh Lo, Yin-Hsien Huang, Chuang-Hung Chiu, Mei-Tsao Chiang, Huai-An Li, Chi-Neng Mo
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Patent number: 7851282Abstract: Methods of forming thin film devices with different electrical characteristics on a substrate comprising a driver circuit region and a pixel region. A first and a second polysilicon pattern layers are formed on the driving circuit region and the pixel region of the substrate, respectively. A first ion implantation is performed on the second polysilicon pattern layer using a masking layer covering the first polysilicon pattern layer as an implant mask, such that the first polysilicon pattern layer has an impurity concentration different from the second polysilicon pattern layer. After removal of the masking layer, a gate dielectric layer and a gate are successively formed on each of the first and second polysilicon pattern layers and a source/drain region is subsequently formed in each of the first and second polysilicon pattern layers to define a channel region therein.Type: GrantFiled: February 9, 2010Date of Patent: December 14, 2010Assignee: AU Optronics Corp.Inventors: Wei-Pang Huang, Chun-Huai Li, Yun-Sheng Chen
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Patent number: 7848477Abstract: A shift register including shift register units substantially cascaded is disclosed. Each shift register unit is controlled by first and second clock signals opposite to each other for generating an output signal. Each shift register unit includes first and second switch devices and first and second devices. The first switch device provides the output signal through an output node. The first driving device drives the first switch device according to a first input signal to activate the output signal. The second driving device provides a first voltage signal, according to the first clock signal, to drive the first switch device and de-activate the output signal. When the first switch device de-activates the output signal, the second switch device provides the second voltage signal to the output node according to the second clock signal. A level of the first voltage signal is lower than a level of the second voltage signal.Type: GrantFiled: March 19, 2009Date of Patent: December 7, 2010Assignee: Au Optronics Corp.Inventors: Kuo-Hsing Cheng, Wai-Pan Wu, Kuo-Hsien Lee, Chun-Huai Li
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Publication number: 20100172461Abstract: A shift register including shift register units substantially cascaded is disclosed. Each shift register unit is controlled by first and second clock signals opposite to each other for generating an output signal. Each shift register unit includes first and second switch devices and first and second devices. The first switch device provides the output signal through an output node. The first driving device drives the first switch device according to a first input signal to activate the output signal. The second driving device provides a first voltage signal, according to the first clock signal, to drive the first switch device and de-activate the output signal. When the first switch device de-activates the output signal, the second switch device provides the second voltage signal to the output node according to the second clock signal. A level of the first voltage signal is lower than a level of the second voltage signal.Type: ApplicationFiled: March 19, 2009Publication date: July 8, 2010Applicant: AU OPTRONICS CORP.Inventors: Kuo-Hsing Cheng, Wai-Pan Wu, Kuo-Hsien Lee, Chun-Huai Li
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Publication number: 20100164850Abstract: A liquid display panel driving method to drive a plurality of pixels of a liquid display panel in a frame period comprising a plurality of data input intervals is provided. Each pixel comprises first and second capacitors coupled to a first and second common electrode respectively. The liquid display panel driving method comprises the steps of: keeping the second common electrode at the same voltage level; modifying the voltage of the first common electrode of each pixel along a row of scan line to perform a first pre-charge before the data input interval; turning on the pixels to make each pixel receive the data voltage from the data lines during the data input interval; and turning off the pixels and modifying the voltage of the first common electrode to further set the voltage of each of the pixels to a target level after the data input interval.Type: ApplicationFiled: April 1, 2009Publication date: July 1, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Cheng-Chiu Pai, Deniz Yurdasen, Chun-Huai Li, Kung-Yi Chan, Chun-Hung Kuo, Huan-Hsin Li
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Publication number: 20100136730Abstract: Methods of forming thin film devices with different electrical characteristics on a substrate comprising a driver circuit region and a pixel region. A first and a second polysilicon pattern layers are formed on the driving circuit region and the pixel region of the substrate, respectively. A first ion implantation is performed on the second polysilicon pattern layer using a masking layer covering the first polysilicon pattern layer as an implant mask, such that the first polysilicon pattern layer has an impurity concentration different from the second polysilicon pattern layer. After removal of the masking layer, a gate dielectric layer and a gate are successively formed on each of the first and second polysilicon pattern layers and a source/drain region is subsequently formed in each of the first and second polysilicon pattern layers to define a channel region therein.Type: ApplicationFiled: February 9, 2010Publication date: June 3, 2010Applicant: AU OPTRONICS CORP.Inventors: Wei-Pang Huang, Chun-Huai Li, Yun-Sheng Chen
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Patent number: 7695873Abstract: A method and apparatus for producing a color filter is disclosed. It mainly uses an exposure apparatus which can produce a plurality of exposure light sources to do an exposure process. Through fast controlling the on/off time of the plurality of exposure light sources as well as making a relative moving between the plurality of exposure light sources and a substrate plane, a color photoresist layer on the substrate plane can be exposed to form a pattern thereon, wherein the on/off time of the exposure light sources are respectively controlled by a plurality of shutters of the exposure apparatus. Then, with a developing process to the exposed color photoresist layer, a color layer is formed on the substrate plane. The main advantage of the invention is that photo-mask is not needed in the exposure process and any size substrate plane can be handled by the present exposure apparatus.Type: GrantFiled: July 25, 2005Date of Patent: April 13, 2010Assignee: Chungwa Picture Tubes, Ltd.Inventors: Yu-Cheng Lo, Huai-An Li, Feng-Lin Hsu
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Patent number: 7696029Abstract: Methods of forming thin film devices with different electrical characteristics on a substrate comprising a driver circuit region and a pixel region. A first and a second polysilicon pattern layers are formed on the driving circuit region and the pixel region of the substrate, respectively. A first ion implantation is performed on the second polysilicon pattern layer using a masking layer covering the first polysilicon pattern layer as an implant mask, such that the first polysilicon pattern layer has an impurity concentration different from the second polysilicon pattern layer. After removal of the masking layer, a gate dielectric layer and a gate are successively formed on each of the first and second polysilicon pattern layers and a source/drain region is subsequently formed in each of the first and second polysilicon pattern layers to define a channel region therein.Type: GrantFiled: June 11, 2007Date of Patent: April 13, 2010Assignee: Au Optronics Corp.Inventors: Wei-Pang Huang, Chun-Huai Li, Yun-Sheng Chen
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Publication number: 20100039425Abstract: A color sequential liquid crystal display and a pixel circuit thereof are provided. The pixel circuit includes a first and a second sampling switches, a first and a second voltage registers, a first and a second output switches, a liquid crystal (LC) capacitor, and a reset switch. The first voltage register is coupled to the first sampling and the first output switches to register a first sampling voltage during a first sub-frame, and output the first sampling voltage to the LC capacitor during a second sub-frame. The second voltage register is coupled to the second sampling and the second output switches to register a second sampling voltage during the second sub-frame, and output the second sampling voltage to the LC capacitor during the first sub-frame. The reset switch is coupled to the LC capacitor to transmit a reset voltage to the LC capacitor between the first and second sub-frame periods.Type: ApplicationFiled: December 17, 2008Publication date: February 18, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Chung-Chun Chen, Chun-Huai Li
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Publication number: 20100035188Abstract: A manufacturing method of an organic electro-luminescence device is disclosed. The manufacturing method of an organic electro-luminescence device includes sequential steps of: providing a substrate first; forming a first electrode layer on the substrate; forming an insulating layer on the substrate, wherein the insulating layer includes a plurality of openings for exposing the first layer; forming a conducting layer on the sidewall of the insulating layer and on the first electrode layer in the openings; forming a light-emitting layer on the conducting layer in the openings; and finally forming a second electrode layer on the light-emitting layer. The organic electro-luminescence device formed by the above manufacturing method is capable of providing the light-emitting layer with a uniform thickness and therefore raising of yield of the fabricating process and improving of the displaying quality of the organic electro-luminescence device.Type: ApplicationFiled: October 15, 2009Publication date: February 11, 2010Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Pei-Yu Liu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang
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Patent number: 7635947Abstract: An organic electro-luminescence device and a manufacturing method thereof are disclosed. Wherein, the manufacturing method of an organic electro-luminescence device includes sequential steps of: providing a substrate first; forming a first electrode layer on the substrate; forming an insulating layer on the substrate, wherein the insulating layer includes a plurality of openings for exposing the first layer; forming a conducting layer on the sidewall of the insulating layer and on the first electrode layer in the openings; forming a light-emitting layer on the conducting layer in the openings; and finally forming a second electrode layer on the light-emitting layer. The organic electro-luminescence device and the manufacturing method thereof according to the present invention is capable of providing the light-emitting layer with a uniform thickness and therefore raising of yield of the fabricating process and improving of the displaying quality of the organic electro-luminescence device.Type: GrantFiled: August 29, 2005Date of Patent: December 22, 2009Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Pei-Yu Liu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang
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Publication number: 20090294684Abstract: A display apparatus is provided. The display apparatus is used for detecting an ultraviolet (UV) intensity. The display apparatus includes a lower-substrate, an upper-substrate and a processing unit. The lower-substrate includes a first, a second and a third photo sensors for detecting an intensity of the light in a first, a second and a third bands and converting the intensity of the light in the first, the second and the third bands into a first, a second and a third currents respectively, wherein the ranges of the second and the third bands are comprised within the range of the first band. The upper-substrate is disposed opposite to the lower-substrate. The processing unit is coupled to the first, the second and the third photo sensors, for receiving and processing the first, the second and the third currents so as to obtain the UV intensity.Type: ApplicationFiled: March 2, 2009Publication date: December 3, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Chi-Hua Sheng, Ruei-Liang Luo, Chun-Huai Li
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Patent number: 7622229Abstract: A method of fabricating a color filter is provided. First, a substrate having a light shielding layer formed thereon is provided, wherein the light shielding layer is adopted for defining a plurality of sub-pixel regions on the substrate. Next, a hydrophobic layer is formed on the light shielding layer by stencil printing, or a surface silylation treatment is carried out to clean the light shielding layer by inkjet printing. Next, a color filter layer is formed in the sub-pixel regions. Thus, fabrication method of the present invention is capable of reducing the possibility of intermixing the color ink between adjacent sub-pixel regions.Type: GrantFiled: July 5, 2008Date of Patent: November 24, 2009Assignee: Chunghwa Picture Tubes, LtdInventors: Feng-Lin Hsu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang, Yu-Hsien Chen
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Publication number: 20090284517Abstract: A display apparatus is provided. The display apparatus includes a display module, a plurality of driving modules, and a plurality of sensing modules. The display module has a first side and a second side opposite the first side. The driving modules are respectively adjacent to the first and second sides and are electrically connected to the display module. The sensing modules are respectively adjacent to the first and second sides, in which the sensing modules are configured to sense an environment status surrounding the display apparatus to modulate the display module from the first status to the second status. One of the driving modules adjacent to the first side is substantially opposite to one of the sensing modules adjacent to the second side, with respect to the display module.Type: ApplicationFiled: October 1, 2008Publication date: November 19, 2009Applicant: AU OPTRONICS CORP.Inventors: Ming-Huang Chuang, Chun-Hung Kuo, Chun-Huai Li, Hung-Wei Tseng
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Publication number: 20090278810Abstract: A touch panel and a portable electronic device thereof are provided. The present invention can accurately determine a position touched by a user on the touch panel by judging whether or not a potential voltage value between a reference capacitor and a sensing capacitor of a pixel having a sensing area being changed, or to determine whether a switch of a pixel having the sensing area being conducted.Type: ApplicationFiled: January 22, 2009Publication date: November 12, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Mei-Sheng Ma, Hsin-Hung Lee, Yao-Jen Hsieh, Yung-Hsien Ho, Heng-Sheng Chou, Chun-Huai Li, Meng-Hsiang Chang
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Publication number: 20090244104Abstract: A method for driving an LCD panel and an LCD using the same are provided. The method includes following steps. Firstly, a number of scan signals are provided sequentially, and an enabling time of the scan signals excluding the last scan signal is adjusted according to a compensation time, so as to unfix the enabling time of these scan signals. Next, the scan signals having the unfixed enabling time are sequentially provided to an LCD panel, so as to turn on a number of row pixels of the LCD panel one by one. Thereby, the entire brightness of the LCD can be uniformed by applying the method disclosed in the present invention.Type: ApplicationFiled: May 29, 2008Publication date: October 1, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Mei-Sheng Ma, Chien-Hung Chen, Chun-Huai Li
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Publication number: 20090239163Abstract: A color filter fabricated by an ink jet process is disclosed. The color filter includes a substrate, a plurality of pixel regions positioned on the surface of the substrate, and a plurality of colored photoresists. Each pixel region includes a plurality of sub-pixel regions, and each colored photoresist is positioned in each sub-pixel region. The colored photoresists include a plurality of hydrophile photoresists and a plurality of hydrophobic photoresists. The hydrophile photoresists and the hydrophobic photoresists are alternately arranged to prevent an overflow of the colored photoresists.Type: ApplicationFiled: February 18, 2009Publication date: September 24, 2009Inventors: Yu-Cheng Lo, Pei-Yu Liu, Jiun-Ming Wang, Huai-An Li
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Publication number: 20090233002Abstract: A method of an anti-glare surface treatment including following steps is provided. First, a resin layer is formed on a substrate. Next, the substrate is placed in a chamber that is filled with a water steam. A number of micro cavities are formed on a surface of the resin layer on the substrate by means of collision of the water steam. The resin layer on the substrate is then cured. The above-mentioned method of the anti-glare surface treatment is easy in process, low in cost and good in quality control.Type: ApplicationFiled: December 14, 2008Publication date: September 17, 2009Applicant: Chunghwa Picture Tubes, LTD.Inventors: Li-Chen Huang, Huai-An Li, Sheng-Fa Liu, Yu-Hsien Chen, Yu-Cheng Lo, Chung-Nan Lee, Shu-Mei Chang