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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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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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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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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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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Patent number: 7786973Abstract: A region-based image display device includes a backlight module, a separating unit, a signal-processing unit, and a modulation unit. The backlight module includes several backlight regions. Each backlight region includes an adjustable luminance unit. Each luminance unit has a basis luminance value. The separating unit separates an input image signal into several image region signals corresponding to the backlight regions. The signal-processing unit transforms the image region signals into several output image signals. The modulation unit adjusts the basis luminance values to output luminance values according to the image region signals. Each basis luminance value and the corresponding image region signal on the one hand, and the corresponding output luminance value and output image signal, on the other hand, cooperatively define substantially the same chromaticity and brightness.Type: GrantFiled: March 29, 2006Date of Patent: August 31, 2010Assignee: Chi Mei Optoelectronics Corp.Inventor: Ming-Chia Shih
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Patent number: 7755714Abstract: A liquid crystal display apparatus, which is in contact with a surface, includes a liquid crystal display module and a supporter. The liquid crystal display module has a display side and a back side, which is disposed opposite to the display side. The liquid crystal display module further has a first pivoting portion. The supporter is installed on the back side, and is in contact with the surface. The supporter has a second pivoting portion pivoting on the first pivoting portion of the liquid crystal display module. The liquid crystal display module rotates about an axis, and moves between a first position and a second position with respect to the supporter. A distance exists between the liquid crystal display module and the surface.Type: GrantFiled: January 19, 2007Date of Patent: July 13, 2010Assignee: Chi Mei Optoelectronics Corp.Inventor: Hung-Wen Lin
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Patent number: 7750997Abstract: A displaying method and device. The display device includes a back light module and a display panel. The back light module emits at least M color lights. The display panel includes a plurality of pixel areas arranged in array structure, wherein each pixel area comprises N color filters, and at least one of the color filters is for passing through a plurality of primary color lights. In the displaying method, the back light module provides at least M color lights in a frame time, and a frame is displayed by arranging the M color lights and the N color filters in each pixel area, wherein M?2 and N?2. Moreover, the display panel may include an active component array substrate, a liquid crystal layer and a color filter substrate. In addition, any two adjacent pixel areas can share at least one color filter.Type: GrantFiled: May 31, 2005Date of Patent: July 6, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Fu-Cheng Chen, Chao-Lien Lin, Cheng-Jen Chu, Chung-Kuang Wei
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Patent number: 7746307Abstract: A LCD includes at least a first sub-pixel and a second sub-pixel with different area. Each sub-pixel displays luminance according to a positive or a negative data voltage corresponding to a grey value. When the grey values of the first sub-pixel and the second sub-pixel are equal, an average value of the positive and negative data voltages of the first sub-pixel is not equal to an average value of the positive and negative data voltages of the second sub-pixel.Type: GrantFiled: July 24, 2007Date of Patent: June 29, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Ming-Feng Hsieh, Chih-Yung Hsieh
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Patent number: 7733358Abstract: In a display device having a light source and a storage for storing at least one reference frame of image data, a driving method includes receiving a current frame of image data; comparing grey levels between pixels of the current frame of image data and the corresponding pixels of the reference frame of image data; determining a pixel quantity of pixels having different grey levels in the current frame of image data and the reference frame of image data; and based on the determined pixel quantity, calculating and outputting a signal controlling a light emitting duty ratio and an amplitude of the light source while displaying the current frame. The display device further has a comparing unit and light source control unit for performing the driving method.Type: GrantFiled: December 12, 2005Date of Patent: June 8, 2010Assignee: Chi Mei Optoelectronics Corp.Inventor: Ying-Hao Hsu
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Patent number: 7722242Abstract: A lamp fixing structure is arranged with a lamp which has an electrode and a wire electrically connected to the electrode. The lamp fixing structure includes a lamp holder and at least one lamp protecting member. The lamp holder has at least one pressing part. The lamp protecting member has a first hole. The lamp is inserted into the lamp protecting member. The wire passes through the lamp protecting member from the first hole. The pressing part presses the lamp protecting member so that the first hole is fitted to the wire tightly.Type: GrantFiled: August 28, 2007Date of Patent: May 25, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Cheng-Hsiang Chen, Chih-Hung Hsu
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Patent number: 7719623Abstract: A liquid crystal display (LCD) panel includes pixels arranged in matrix, and first and second scan lines and a storage capacitance line. Each pixel has a first sub-pixel, which is disposed between the first and second scan lines, and first to third thin-film transistors (TFTs) and a pixel electrode divided into first and second regions. The first TFT is electrically connected to the first scan line and the first region. The second TFT is electrically connected to the first scan line and the second region. The third TFT is electrically connected to the second scan line and the second region. The storage capacitance line is electrically connected to the third TFT. A distance between the storage capacitance line and the first scan line is longer than that between the storage capacitance line and the second scan line.Type: GrantFiled: February 15, 2008Date of Patent: May 18, 2010Assignee: Chi Mei Optoelectronics Corp.Inventors: Chih-Yung Hsieh, Chien-Hong Chen