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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Patent number: 7589718Abstract: An electric apparatus having an OELD includes a DC-to-DC converter, an OELD and at least one executing unit. The DC-to-DC converter converts a first direct voltage into a second direct voltage. The OELD receives the first direct voltage. The executing unit receives the second direct voltage and thus executes a system function of the electric apparatus.Type: GrantFiled: August 29, 2005Date of Patent: September 15, 2009Assignee: AU Optronics Corp.Inventors: Shuo-Hsiu Hu, Chun-Huai Li
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Patent number: 7567228Abstract: A liquid crystal display (LCD) panel with power consumption reduction and methods of driving same. In one embodiment, the LCD panel includes a pixel matrix, a plurality of scanning lines and a plurality of data lines. Each pair of two neighboring scanning lines defines a pixel row therebetween, and each pair of two neighboring data lines defines a pixel column therebetween. Each pixel has at least a first sub-pixel and a second sub-pixel. Each sub-pixel has a sub-pixel electrode and a switching element electrically coupled to the sub-pixel electrode. Each pair of two neighboring scanning lines is electrically coupled to the switching elements of the first sub-pixel and the second sub-pixel of each pixel in the pixel row, respectively.Type: GrantFiled: September 4, 2008Date of Patent: July 28, 2009Assignee: AU Optronics CorporationInventors: Yi-Chien Wen, Chao-Liang Lu, Ken-Ming Chen, Chi-Mao Hung, Chun-Huai Li, Jing-Tin Kuo, Chang-Wei Su, Yao-Jen Hsieh
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Liquid Crystal Display Panel of a Liquid Crystal Display Apparatus Comprising a Photo-Sensing Device
Publication number: 20090174647Abstract: A liquid crystal display panel of a liquid crystal display apparatus comprising a photo-sensing device is provided. The liquid crystal display apparatus comprises a liquid crystal display panel and a backlight module. The liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer, at least one photo-sensing device and a visible light-absorbing layer. At least one photo-sensing device is placed on a photo-sensing region of the first substrate to receive an incident light, wherein the photo-sensing device comprises a first photo-sensing element and a second photo-sensing element. The first photo-sensing element senses the incident light to generate a first current. The visible light-absorbing layer is placed on the second photo-sensing element to absorb the visible light of the incident light, and further make the second photo-sensing element senses the absorbed incident light to generate a second current.Type: ApplicationFiled: July 11, 2008Publication date: July 9, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Pei-Yu Chen, Hung-Wei Tseng, Chun-Huai Li -
Publication number: 20090085891Abstract: A capacitive touch panel and a display device using the capacitive touch panel are provided. The capacitive touch panel includes a first electrode layer, a second electrode layer, and a dielectric layer disposed between two layers. The first electrode layer has a plurality of first A electrode strings and first B electrode strings extended along a first direction. The first A electrode string and the first B electrode string respectively has a plurality of first direction electrodes. The second electrode layer has a plurality of second direction electrodes connected in series along a second direction. The first A and B electrode strings are disconnected in the first electrode layer while they are simultaneously detected for presence of signal variation.Type: ApplicationFiled: September 29, 2008Publication date: April 2, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Tun-Chun Yang, Seok-Lyul Lee, Chih-Jen Hu, Kuo-Hsing Cheng, Yao-Jen Hsieh, Mei-Sheng Ma, Hsin-Hung Lee, Yuan-Chun Wu, Chun-Huai Li
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Patent number: 7485203Abstract: An assembly method for display panel comprises the following steps. First, a first substrate and a second substrate are placed inside a chamber, wherein the first substrate comprises a sealant disposed thereon, and the chamber has a first pressure. Next, the pressure inside the chamber is adjusted to a second pressure, which is lower than the first pressure. After that, the first substrate is aligned with the second substrate, and the second substrate is placed on the sealant, to form a closed space between the first substrate and the second substrate. The pressure inside the closed space is the second pressure. Thereafter, the chamber is pumped from the second pressure to a third pressure, to bond the first substrate and the second substrate together by the pressure difference between the third pressure of the chamber and the second pressure of the closed space. Finally, the sealant is cured.Type: GrantFiled: February 24, 2006Date of Patent: February 3, 2009Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Yu-Cheng Lo, Sheng-Fa Liu, Huai-An Li
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Publication number: 20080268355Abstract: 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: ApplicationFiled: July 5, 2008Publication date: October 30, 2008Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Feng-Lin Hsu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang, Yu-Hsien Chen
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Patent number: 7410734Abstract: 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: August 25, 2005Date of Patent: August 12, 2008Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Feng-Lin Hsu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang, Yu-Hsien Chen
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Patent number: 7352345Abstract: The present invention provides a driving apparatus, method and system for a light emitting device, suitable for use in an active matrix organic light emitting diode (AMOLED) display, which has an adjustable reference voltage, so as to compensate for degradation in brightness due to LED materials decay.Type: GrantFiled: May 6, 2004Date of Patent: April 1, 2008Assignee: AU Optronics CorporationInventor: Chun-huai Li
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Publication number: 20080055533Abstract: A bonding structure of panel and back-plate is made by coarsening the surface of the rear plane of silicon die, and then the LCoS panel may bond with the back-plate module more tightly. The coarse structure increases contact surface when bonding the back-plate module with the LCoS panel, as a result of increasing stickiness on both and reducing manufacturing process defects caused by position shifting between the back-plate module and LCoS panel, and solving the position problem before the bonding of the LCoS panel with the back-plate module.Type: ApplicationFiled: November 21, 2006Publication date: March 6, 2008Inventors: Kun-Hong Chen, Huai-An Li, Jiun-Ming Wang, Yu-Hsien Chen
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Publication number: 20070268223Abstract: An active-matrix organic light emitting diode display. The active-matrix organic light emitting diode display comprises a rectangular pixel unit having an indium tin oxide region disposed therein. The indium tin oxide region has an opening region disposed therein, wherein the opening region is rectangular.Type: ApplicationFiled: July 20, 2007Publication date: November 22, 2007Applicant: AU OPTRONICS CORP.Inventor: Chun-Huai Li
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Publication number: 20070238231Abstract: 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: June 11, 2007Publication date: October 11, 2007Applicant: AU OPTRONICS CORP.Inventors: Wei-Pang Huang, Chun-Huai Li, Yun-Sheng Chen
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Patent number: 7268367Abstract: 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: November 18, 2004Date of Patent: September 11, 2007Assignee: AU Optronicscorp.Inventors: Wei-Pang Huang, Chun-Huai Li, Yun-Sheng Chen
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Publication number: 20070199650Abstract: An assembly method for display panel comprises the following steps. First, a first substrate and a second substrate are placed inside a chamber, wherein the first substrate comprises a sealant disposed thereon, and the chamber has a first pressure. Next, the pressure inside the chamber is adjusted to a second pressure, which is lower than the first pressure. After that, the first substrate is aligned with the second substrate, and the second substrate is placed on the sealant, to form a closed space between the first substrate and the second substrate. The pressure inside the closed space is the second pressure. Thereafter, the chamber is pumped from the second pressure to a third pressure, to bond the first substrate and the second substrate together by the pressure difference between the third pressure of the chamber and the second pressure of the closed space. Finally, the sealant is cured.Type: ApplicationFiled: February 24, 2006Publication date: August 30, 2007Inventors: Yu-Cheng Lo, Sheng-Fa Liu, Huai-An Li
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Patent number: 7250236Abstract: A color filter of liquid crystal display (LCD) panel is described. A surface property of a black matrix is changed by coating with an ink-repellent layer formed of cheap materials, to provide better separation between portions of a colored layer, thus reducing the cost of the ink-repellent layer and avoid overflowing while color ink drops are attaching onto a transparent substrate. In addition, a method of fabricating a color filter of LCD panel is described. The ink-repellent layer is transferred onto the black matrix, and then the colored layer is formed thereon. The ink-repellent layer effectively separates the colored layer. This method of the invention greatly diminishes the usage of the ink-repellent layer, steps of exposure and development, and the cost and time of fabricating the color filter.Type: GrantFiled: June 8, 2004Date of Patent: July 31, 2007Assignee: Chungwa Picture Tubes, Ltd.Inventors: Huai-An Li, Ming-Feng Tsai, Yu-Cheng Lo
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Patent number: 7230595Abstract: An active-matrix organic light emitting diode display. The active-matrix organic light emitting diode display comprises an organic light emitting diode, a first driving transistor, a second driving transistor and a switch transistor. The switch transistor connects and switches the first and second driving transistors. The first driving transistor connects an anode of the organic light emitting diode and a first driving voltage having a first waveform. The second driving transistor connects an anode of the organic light emitting diode and a second driving voltage having a second waveform, wherein the first waveform and the second waveform are complementary to alternatively drive the organic light emitting diode.Type: GrantFiled: March 10, 2004Date of Patent: June 12, 2007Assignee: AU Optronics Corp.Inventors: Jiin-Jou Lih, Chun-Huai Li
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LIQUID CRYSTAL DISPLAY PANEL, FABRICATING METHOD THEREOF AND SEALANT OF LIQUID CRYSTAL DISPLAY PANEL
Publication number: 20070110923Abstract: A method of fabricating a liquid crystal display panel is provided. The method includes the following steps. First, a first substrate and a second substrate are provided, and an alignment film is respectively formed on the first and second substrate. Then, a sealant and a liquid crystal layer are formed between the first substrate and the second substrate, and the liquid crystal layer disposed between the first and second substrates is enclosed by the sealant. Wherein, the total ion concentration of the sealant is lower than 30 ppm with the concentration of Na+ lower than 10 ppm, the concentration of K+ lower than 5 ppm, the concentration of Mg+2 lower than 5 ppm and the concentration of Ca+2 lower than 5 ppm. Furthermore, a liquid crystal display panel and the sealant of a liquid crystal display panel are provided.Type: ApplicationFiled: November 24, 2005Publication date: May 17, 2007Inventors: Yu-Hsien Chen, Shih-Tsung Yang, Kuo-Sheng Sun, Huai-An Li, Yu-Cheng Lo, Sheng-Fa Liu, Kun-Hong Chen, Jyh-Hong Jaw -
Publication number: 20070046188Abstract: 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: ApplicationFiled: August 29, 2005Publication date: March 1, 2007Inventors: Pei-Yu Liu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang
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Publication number: 20070048633Abstract: 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: ApplicationFiled: August 25, 2005Publication date: March 1, 2007Inventors: Feng-Lin Hsu, Huai-An Li, Yu-Cheng Lo, Jiun-Ming Wang, Yu-Hsien Chen
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Patent number: 7172842Abstract: A method of manufacturing a color filter array plate is described. A substrate is first provided, and a black matrix is formed on the substrate to define several sub-pixel areas. A hydrophobic layer is then pasted on the black matrix, wherein the hydrophobic layer is made of materials including an ester compound having a chemical formula of: Then, an ink-jet printing process is performed where at least one type of color ink is injected into the sub-pixel areas between patterns of the black matrix. A thermal baking process is subsequently carried out to solidify the color ink for forming color film patterns.Type: GrantFiled: May 12, 2004Date of Patent: February 6, 2007Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Ming-Feng Tsai, Yu-Cheng Lo, Huai-An Li
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Patent number: 7164229Abstract: An organic light-emitting display is provided. The organic light-emitting display has a power line divided into multiple sets with a voltage terminal attached to the center of each power line set. Furthermore, all the voltage terminals are coupled to a power supply through a low resistance conductive material medium. With this setup, brightness imbalance between neighboring pixels is minimized.Type: GrantFiled: November 25, 2003Date of Patent: January 16, 2007Assignee: Au Optronics CorporationInventors: Wei-Chih Lai, Chun-Huai Li