Patents Assigned to Chi Mei Optoelectronics Corp.
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Patent number: 8587566Abstract: A driver for driving a display panel having a light emitting element includes a plurality of control pads, each of which is electrically connected to a control line of the display panel; and a plurality of power source pads, each of which is electrically connected to a power source line of the display panel and is larger in area than the control pad. The control pads and the power source pads are arranged in line and an order of arrangement of the control pads and the power source pads is symmetrical with respect to a direction of pad arrangement.Type: GrantFiled: June 23, 2005Date of Patent: November 19, 2013Assignees: Kyocera Corporation, Chi Mei Optoelectronics Corp., Chimei Innolux CorporationInventors: Shinya Ono, Yoshinao Kobayashi, Kohichi Miwa
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Publication number: 20120256302Abstract: A method for producing a thin film transistor and including the following steps for preparing a glass substrate; having a positive photosensitive coating on the glass substrate; providing a transparent mold plate, having a plurality of ladder opaque protrusions in accordance with a predetermined pattern having different depth; controlling the transparent mold plate downwardly to press into the positive photosensitive coating and non-contacting to the glass substrate; exposing a part of the positive photosensitive coating via an explosion by a UV light; remaining the other part of the positive photosensitive coating, which is shielded by the protrusions and shaped corresponding to the predetermined pattern; separating the transparent mold plate from the glass substrate, and removing the other parts of the photosensitive coating unshielded via a chemical solvent. Thereby, after the positive photosensitive coating is pressed, cured, and cleaned the thin film transistor is formed.Type: ApplicationFiled: June 12, 2012Publication date: October 11, 2012Applicants: TAIWAN TFT LCD ASSOCIATION, CHUNGHWA PICTURE TUBES, LTD., AU OPTRONICS CORP., TOPPOLY OPTOELECTRONICS CORP., CHI MEI OPTOELECTRONICS CORP., INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, HANNSTAR DISPLAY CORP.Inventors: Lin-En CHOU, Chia-Hao Tsai, Wen-Tung Wang
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Patent number: 8268538Abstract: A method for producing a thin film transistor includes providing a glass substrate; disposing a positive photosensitive coating on the glass substrate; providing a transparent molding plate having a plurality of ladder opaque protrusions that are arranged in accordance with a predetermined pattern and that have at least two different depths; pressing the transparent molding plate into the positive photosensitive coating without contacting the glass substrate; exposing a part of the positive photosensitive coating which is unshielded under the ladder opaque protrusions, with a UV light; separating the transparent molding plate from the glass substrate after the step of exposing; and removing the part of the positive photosensitive coating, which is unshielded under the ladder opaque protrusions and not cured, using a chemical solvent, whereby the thin film transistor is formed in a pattern having more than two different depths.Type: GrantFiled: January 14, 2009Date of Patent: September 18, 2012Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corp., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp.Inventors: Lin-En Chou, Chia-Hao Tsai, Wen-Tung Wang
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Patent number: 8164187Abstract: A flip chip device made using LCD-COG (liquid crystal display-chip on glass) technique. The flip chip device comprises a substrate, at least one chip having active area with a plurality of compliant bumps thereon. The compliant bumps are centrally disposed in the center of the chip for electrically connecting the chip and the substrate. An adhesive is daubed on a joint area of the substrate and the chips for jointing the substrate and the chips. By limiting the position of the compliant bumps so that they are centrally disposed on the chips, the thermal warpage of the substrate is reduced.Type: GrantFiled: April 24, 2009Date of Patent: April 24, 2012Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corp., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp., Quanta Display Inc.Inventors: Wen-Chih Chen, Sheng-Shu Yang
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Publication number: 20110230044Abstract: A contact structure having both a compliant bump and a testing area and a manufacturing method for the same is introduced. The compliant bump is formed on a conductive contact of the silicon wafer or a printed circuit board. The core of the bump is made of polymeric material, and coated with a conductive material. In particular, the compliant bump is disposed on the one side of the conductive contact structure that includes both the bump and the testing area, wherein the testing area allows the area to be functionality tested, so as to prevent damage of the coated conductive material over the compliant bump during a probe testing.Type: ApplicationFiled: June 1, 2011Publication date: September 22, 2011Applicants: 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, TOPOLY OPTOELECTRONICS CORP.Inventors: Shyh-Ming Chang, Sheng-Shu Yang, Chao-Chyun An
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Publication number: 20110175897Abstract: A pixel structure, a display panel, a display and a driving method thereof are disclosed. The pixel structure comprises an organic light emitting diode, a driving transistor, a storage capacitance, and a switch transistor. A first terminal of the driving transistor receives an image retention cancellation signal. The image retention cancellation signal changes to a second level from a first level before the driving transistor drives the organic light emitting diode so that the driving transistor is operated in a forward curve. A second terminal of the driving transistor is coupled to the light emitting diode. One terminal of the storage capacitance receives a common voltage, and the other terminal of the storage capacitance is coupled to a control terminal of the driving transistor. The switch transistor is controlled by a scan signal to output a data signal to the control terminal of the driving transistor.Type: ApplicationFiled: September 10, 2010Publication date: July 21, 2011Applicants: CHIMEI INNOLUX CORPORATION, CHI MEI OPTOELECTRONICS CORP.Inventors: Ming-Chun TSENG, Hung-Lin HSU, Lien-Hsiang CHEN, Hong-Ru GUO
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Patent number: 7977788Abstract: A contact structure having both a compliant bump and a testing area and a manufacturing method for the same is introduced. The compliant bump is formed on a conductive contact of the silicon wafer or a printed circuit board. The core of the bump is made of polymeric material, and coated with a conductive material. In particular, the compliant bump is disposed on the one side of the conductive contact structure that includes both the bump and the testing area, wherein the testing area allows the area to be functionality tested, so as to prevent damage of the coated conductive material over the compliant bump during a probe testing.Type: GrantFiled: November 24, 2006Date of Patent: July 12, 2011Assignees: 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: Shyh-Ming Chang, Sheng-Shu Yang, Chao-Chyun An
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Patent number: 7940242Abstract: In a driving circuit and its driving method for driving a liquid crystal display device without using a pre-processor, the driving circuit includes a first timing controller for receiving a first part of digital image data, a second timing controller for receiving a second part of the digital image data, and a plurality of data drivers, each of which is electrically connected to both the first timing controller and the second timing controller to receive the first part or the second part of the digital image data through the first timing controller or the second timing controller, respectively, for driving the liquid crystal display device.Type: GrantFiled: January 25, 2007Date of Patent: May 10, 2011Assignee: Chi Mei Optoelectronics Corp.Inventor: Wen-Tsung Lin
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Publication number: 20110102709Abstract: A direct type backlight module and an application thereof are described. The direct type backlight module comprises a rear frame module and a light source, wherein the light source is deposed on the rear frame module. The rear frame module comprises a plurality of frameworks, wherein the frameworks are combined to form a frame. The direct type backlight module is suitable for applying in a liquid crystal display (LCD) device.Type: ApplicationFiled: January 12, 2011Publication date: May 5, 2011Applicant: CHI MEI OPTOELECTRONICS CORP.Inventors: Wen-Chin LAN, I Han LIU
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Patent number: 7916224Abstract: A pixel array substrate including a substrate, a first patterned conductive layer, a second patterned conductive layer, and pixel electrodes is provided. The first patterned conductive layer has scan lines and gate electrodes. The second patterned conductive layer has data lines, source electrodes, drain electrodes, and capacitor electrodes. The data lines and the scan lines define many pixel areas. Many pixel storage capacitances CST is formed between the capacitor electrodes and the first patterned conductive layer. Many gate/drain capacitances CGD is formed in an overlapping area of the drain electrodes and gate electrodes. A liquid crystal capacitance CLC is formed above each pixel electrode. In at least one pixel area, the capacitance ratio of CST and CGD is ?, the capacitance ratio of CLC and CST is ?, and the ratio of a first deviation of CST and a second deviation of CGD is within the range of ?(1+?)(1±50%).Type: GrantFiled: April 16, 2007Date of Patent: March 29, 2011Assignee: Chi Mei Optoelectronics Corp.Inventor: Chao-Chun Chung
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Patent number: 7903217Abstract: A liquid crystal display (LCD) panel and an LCD device using the same are provided. The LCD panel at least includes a first color pixel and a second color pixel for displaying different colors. The second color pixel is disposed next to the first color pixel. The liquid crystal molecules in the first color pixel have at least four liquid crystal (LC) orientations including a first LC orientation. The liquid crystal molecules in the second color pixel have a plurality of LC orientations including a second LC orientation. The first LC orientation is different from all LC orientations of the second color pixel.Type: GrantFiled: November 11, 2008Date of Patent: March 8, 2011Assignee: Chi Mei Optoelectronics Corp.Inventors: Che-Ming Hsu, Chien-Hong Chen, Ming-Feng Hsieh
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Patent number: 7893904Abstract: In a displaying method for use in an image display, an original gray scale is divided into a higher gray scale and a lower gray scale. Further, the color subpixels are divided into two groups corresponding to the higher and lower gray scales, respectively. The gray scale to be expressed by each subpixel is calibrated by weighing the original higher or lower gray scale for the pixel and the adjacent pixels and summing up the results. The color shift problem due to different visual angles can therefore be solved.Type: GrantFiled: March 30, 2006Date of Patent: February 22, 2011Assignee: Chi Mei Optoelectronics Corp.Inventors: Ming-Chia Shih, Ying-Hao Hsu
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Patent number: 7864261Abstract: A backlight module includes a rear plate, at least one light source disposed on the rear plate, at least two support elements respectively disposed on two opposite sides of the rear plate, and at least one optical film disposed above the light source. The optical film includes at least two fixing holes respectively corresponding to the support elements. The support elements respectively engage with the fixing holes to tension the optical film with at least one pair of tensile forces oriented in opposite directions.Type: GrantFiled: August 1, 2008Date of Patent: January 4, 2011Assignee: Chi Mei Optoelectronics Corp.Inventors: Weisen Chen, Hung-Ming Hsieh
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Publication number: 20100328577Abstract: A backlight module includes a reflection sheet and a film structure disposed above the reflection sheet with a gap therebetween. A light source is disposed in the gap between the reflection sheet and the film structure so as to provide light. The film structure includes a first region for reflecting light incident thereupon from the light source and the reflection sheet, and a plurality of second regions for transmitting at least partially light incident thereupon from the light source and the reflection sheet.Type: ApplicationFiled: September 3, 2010Publication date: December 30, 2010Applicant: CHI MEI OPTOELECTRONICS CORP.Inventor: Chen-Pin HUNG
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Publication number: 20100315573Abstract: A liquid crystal panel, an application and a manufacturing method are described. The liquid crystal panel includes a transistor substrate including a plurality of data lines, a color filter disposed on the transistor substrate, a liquid crystal layer disposed between the transistor substrate and the color filter, and a plurality of spacer structures respectively disposed between the data lines and the color filter.Type: ApplicationFiled: June 10, 2010Publication date: December 16, 2010Applicant: CHI MEI OPTOELECTRONICS CORP.Inventors: Chih-Yung HSIEH, Rung-Nan LU
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Patent number: 7852432Abstract: A liquid crystal display (LCD) apparatus includes a backlight module and a LCD module. The backlight module has a plurality of individually drivable backlight regions. The LCD module has a plurality of display blocks, each of which corresponds to one of the backlight regions and is disposed on an optical path of light emitted from the corresponding backlight regions. A power regulating module is electrically connected to the backlight module and the LCD module for receiving image frame data and controlling light-emitting intensities of the backlight regions in accordance with the image frame data to be displayed by the corresponding display blocks. Each backlight regions has multiple light-emitting units for emitting light in different colors. Each display block has a plurality of pixels, and each of the pixels has multiple filter units.Type: GrantFiled: January 31, 2008Date of Patent: December 14, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Wang-Yang Li, Ming-Chia Shih
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Patent number: 7852326Abstract: A display method used for a display which has a backlight module suitable to provide more than M types of primary color lights, where M=3. The display panel of the display has an array of pixel regions. The display method provides these pixels regions to display multiple image data to be display in multiple frame times. Each of the image data includes (L1N, L2N, . . . , LMN) each representing the brightness of the M primary color light in each pixel region, where N is a positive integer. The backlight module sequentially provides M-1 primary color lights within any two successive frame times, so allow the image data to drive the pixel regions. The first and the Mth primary color lights provide the frame times for these two successive frame times.Type: GrantFiled: September 6, 2005Date of Patent: December 14, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Chao-Lien Lin, Fu-Cheng Chen, Chung-Kuang Wei
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Patent number: 7799440Abstract: An organic electroluminescent device including an anode on a substrate, an organic luminescent layer on the anode and a cathode on the organic luminescent layer is provided.Type: GrantFiled: July 7, 2006Date of Patent: September 21, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Ruey-min Chen, Chung-yu Chen, Chin-in Wu, Wu-jen Hsieh
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Patent number: 7796235Abstract: In a method of manufacturing a liquid crystal display, first, a panel assembly structure including a first substrate, a second substrate and several sealants connecting inner surfaces of the first and second substrate is provided. The first substrate includes several third substrates. The second substrate includes several fourth substrates corresponding to the third substrates, respectively. Each third substrate, the corresponding fourth substrate and the corresponding sealant form a panel. First and second polarizers are adhered correspondingly to outer surfaces of the third and fourth substrates. The panels are separated after the adherence of the first and second polarizers.Type: GrantFiled: June 5, 2006Date of Patent: September 14, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Chin-Lung Ting, Chun-Bin Wen
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Publication number: 20100226119Abstract: A back light module and a flat display device using the same are provided. The back light module includes a reflector, at least two light sources and at least one partition. The light sources are disposed above the reflector. The partition is disposed at a substantially central location between the two light sources and is substantially perpendicular to a line connecting the two light sources. The partition is a plate having a uniform thickness, and surfaces of the partition that face the two light sources are reflective.Type: ApplicationFiled: March 2, 2010Publication date: September 9, 2010Applicant: CHI MEI OPTOELECTRONICS CORP.Inventors: Yuan-Hsu Liao, Weisen Chen