Patents by Inventor Yuan-Chun Wu
Yuan-Chun Wu 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: 8665183Abstract: An exemplary pixel circuit includes an OLED, a storage capacitor, a driving transistor and first through fourth switching transistors. The driving transistor is for driving the OLED at a predetermined brightness. The first source/drain electrode of the driving transistor is coupled to a terminal of the storage capacitor, the second source/drain electrode is coupled to the OLED, and the gate electrode is coupled to receive a data voltage through the first switching transistor. Gate-on voltages of the first and second switching transistors are in opposite phases to each other, and the first and second switching transistors are controlled by the same control signal. Likewise, gate-on voltages of the third and fourth switching transistors are in opposite phases to each other, and the third and fourth switching transistors are controlled by the same control signal. A pixel driving method is also disclosed.Type: GrantFiled: October 15, 2010Date of Patent: March 4, 2014Assignee: Au Optronics Corp.Inventors: Chun-Yen Liu, Yuan-Chun Wu
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Publication number: 20140014906Abstract: The present invention is provided an organic light emitting diode structure and display device therefor, wherein an organic light emitting diode comprises a transparent substrate; and multi-rowed and multi-columned light emitting pixel units formed on the transparent substrate, which comprising a plurality of light emitting pixels. The organic light emitting diode also comprises ultraviolet light emitting pixels for emitting ultraviolet light. The present invention is caused the OLED display device to carry out colorful display and also can use to be ultraviolet light.Type: ApplicationFiled: August 9, 2012Publication date: January 16, 2014Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yawei Liu, Yuan-Chun Wu
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Patent number: 8581875Abstract: A touch panel including a substrate, at least one first sensing series and at least one second sensing series is provided. The first sensing series is disposed on the substrate and extends along a first direction. The first sensing series includes several first sensing pads and at least one first bridge line. The first bridge line connects two adjacent first sensing pads, and a material of the first bridge line differs from a material of the first sensing pads. The second sensing series is disposed on the substrate and extends along a second direction. The first direction is different from the second direction. The second sensing series includes several second sensing pads and at least one second bridge line. The second bridge line connects two adjacent second sensing pads.Type: GrantFiled: January 11, 2013Date of Patent: November 12, 2013Assignee: Au Optronics CorporationInventors: Yuan-Chun Wu, Hsin-Hung Lee, Mei-Sheng Ma, Kuo-Hsing Cheng, Yu-Feng Chien
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Patent number: 8451902Abstract: An adaptive filter to use in connection with prediction-based pixel block encoding and decoding is determined independently at the encoder and decoder side through a template-based procedure. A pixel block (12) has an identified reference pixel block (22) in a reference frame (20). A template (16) of multiple pixels (18) adjacent the pixel block (12) and a reference template (26) of multiple pixels (28) adjacent the reference pixel block (22) are used for determining the filter parameters of the adaptive filter. The determined adaptive filter is then applied to the reference pixel block (22) and is used for generating an encoded representation (40) of the pixel block (12) during encoding and or generating a decoded representation of the pixel block (12) during decoding.Type: GrantFiled: October 21, 2008Date of Patent: May 28, 2013Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventors: Kenneth Andersson, Clinton Priddle, Yuan Chun Wu
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Patent number: 8421759Abstract: A color filter substrate including a substrate, a plurality of patterned color filter layers, and a plurality of sensing serials is provided. The substrate has a first surface and a second surface opposite to the first surface. The substrate includes a plurality of display regions arranged in array and a separated region located between the display regions. The patterned color filter layers are arranged in array on the first surface and corresponding to the display regions. The sensing serials are arranged on the second surface and insulated from each other. Each sensing serial includes a plurality of sensing pads; a plurality of bridging lines, each connected with two adjacent sensing pads; a plurality of patterned conductive layers stacked and electrically connected with the sensing pads. The position of the patterned conductive layers is corresponding to the separated region. A touch-sensing liquid crystal display and a touch-sensing substrate are also provided.Type: GrantFiled: March 24, 2009Date of Patent: April 16, 2013Assignee: Au Optronics CorporationInventors: Yu-Feng Chien, Tun-Chun Yang, Seok-Lyul Lee, Wei-Ming Huang, Yuan-Chun Wu
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Patent number: 8368619Abstract: An exemplary pixel circuit includes an organic light emitting diode (OLED), a storage capacitance, a driving transistor and first through fourth switching transistors. The driving transistor is for generating a pixel current according to a charge amount stored on the storage capacitance to drive the OLED at a predetermined luminance. The on/off states of the first through fourth transistors are controlled by the same control signal. By means of particular electrical connection relationships of the first through fourth transistors in the pixel circuit, the pixel current flowing through the OLED is irrelevant to the power supply voltage and the threshold voltage of the driving transistor but is increased along with the increase of a cross-voltage of the OLED resulting from long-term use. The present invention also provides an active matrix OLED display using the above-mentioned pixel circuit and a driving method for the pixel circuit.Type: GrantFiled: October 30, 2009Date of Patent: February 5, 2013Assignee: AU Optronics Corp.Inventors: Tsung-Ting Tsai, Yuan-Chun Wu
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Patent number: 8334848Abstract: A resistance type touch display panel includes a first substrate and a second substrate disposed above the first substrate. The first substrate includes many scan lines and data lines defining many pixel regions on the first substrate, many pixel units and touch units. Each pixel unit is located in one of the pixel regions and electrically connected with one of the scan lines and data lines respectively. Each touch unit is electrically connected with one of the scan lines and data lines and distributed in at least two pixel regions. The second substrate includes many spacers, many touch protrusions and a common electrode covering the spacers and the touch protrusions. Each touch protrusion is located above one of the touch units and a gap is formed between the common electrode disposed on each touch protrusion and the touch unit.Type: GrantFiled: May 30, 2008Date of Patent: December 18, 2012Assignee: Au Optronics CorporationInventors: Mei-Sheng Ma, Hsin-Hung Lee, Yuan-Chun Wu, Kuo-Hsing Cheng
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Patent number: 8237877Abstract: A touch panel includes two substrates, a sealant positioned between the substrates, a liquid crystal layer disposed between the substrates and enclosed by the sealant, and a first and a second sensing zones disposed on the substrate, wherein the first sensing zone is enclosed by the second sensing zone, and the second sensing zone is enclosed by the sealant. The first and second sensing zones have at least a first sensor and at least a second sensor respectively. The first sensor has a first sensor gap, and the second sensor has a second sensor gap smaller than the first sensor gap.Type: GrantFiled: November 10, 2008Date of Patent: August 7, 2012Assignee: AU Optronics Corp.Inventors: Hsin-Hung Lee, Mei-Sheng Ma, Yuan-Chun Wu, Kuo-Hsing Cheng, Jia-Lang Hsu, Pei-Yu Chen, Yao-Jen Hsieh
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Patent number: 8199120Abstract: A repairable touch control device includes a substrate, a sensor circuit, and at least a repairing wiring. The substrate includes a sensor region, and a peripheral region. The sensor circuit, which includes sensor wirings, is disposed in the sensor region. The repairing wiring is disposed in the peripheral region for repairing the sensor wirings.Type: GrantFiled: December 22, 2008Date of Patent: June 12, 2012Assignee: AU Optronics Corp.Inventors: Yuan-Chun Wu, Hsin-Hung Lee, Mei-Sheng Ma, Kuo-Hsing Cheng, Yao-Jen Hsieh
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Patent number: 8148725Abstract: A light-emitting device including a plurality of light-emitting units is provided. Each of the light-emitting units includes a first common electrode layer, a plurality of light-emitting layers, and a second common electrode layer. The first common electrode layer includes a bridge conductive line and a plurality of first electrode patterns electrically insulated from each other, in which the first electrode patterns cover a portion of the bridge conductive line and are electrically connected to each other through the bridge conductive line. Each of the light-emitting layers is disposed on one of the first electrode patterns. The second common electrode layer is disposed on the light-emitting layers, in which the first common electrode layer of each of the light-emitting units is electrically connected to the second common electrode layer of an adjacent light-emitting unit.Type: GrantFiled: November 12, 2009Date of Patent: April 3, 2012Assignee: Au Optronics CorporationInventors: Chieh-Wei Chen, Yuan-Chun Wu
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Publication number: 20120068983Abstract: A switchable organic electro-luminescence display circuit includes a plurality of scan lines, a plurality of data lines, a plurality of first organic electro-luminescence devices, a plurality of second organic electro-luminescence devices, a display mode switching line, and at least one display mode switching transistor. Each of the first organic electro-luminescence devices is electrically connected to a scan line and a data line correspondingly, and coupled between a first voltage source and a second voltage source. Each of the second organic electro-luminescence devices is electrically connected to a scan line and a data line correspondingly, and coupled to the first voltage source. A gate electrode of the display mode switching transistor is electrically connected to the display mode switching line. A source electrode and a drain electrode of the display mode switching transistor are electrically connected to the second voltage source and the second organic electro-luminescence devices respectively.Type: ApplicationFiled: December 6, 2010Publication date: March 22, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Tsung-Ting Tsai, Yuan-Chun Wu
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Publication number: 20110157110Abstract: A pixel structure is disposed in a display region which includes a light-emitting region and a non-light-emitting region. The pixel structure has a first active device, a second active device, a light emitting device and an auxiliary electrode layer. The first active device is electrically connected with a scan line and a data line. The second active device is electrically connected with the first active device and a power line. The light emitting device is disposed in the light-emitting region and includes a first electrode layer electrically connected with the second active device, a light emitting layer disposed on the first electrode layer and a second electrode layer disposed on the light emitting layer. The auxiliary electrode layer is electrically connected with the power line.Type: ApplicationFiled: March 11, 2010Publication date: June 30, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Chia-Ling Chou, Yuan-Chun Wu, Lee-Hsun Chang
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Publication number: 20110157114Abstract: An electroluminescence device includes a substrate, a pixel array, lead line sets, driving devices and at least one power transmission pattern. The substrate has a display region and a peripheral circuit region. The pixel array is disposed in the display region and includes pixel structures. Each pixel structure has at least one active element and a light emitting element. The lead line sets are disposed in the peripheral circuit region and electrically connected to the pixel array, and each lead line set has multiple lead lines. Each driving device is electrically connected to one lead line set. The power transmission pattern is disposed in the peripheral circuit region and between adjacent lead line sets. One end of the power transmission pattern is electrically connected to the light emitting element and another end of the power transmission pattern is electrically connected to one corresponding driving device.Type: ApplicationFiled: April 15, 2010Publication date: June 30, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Kai-Yuan Ko, Yuan-Chun Wu, Lee-Hsun Chang
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Publication number: 20110148840Abstract: An organic light emitting display includes a current driving unit, an organic light emitting diode and a memory unit. The current driving unit is employed to provide a driving current according to a driving voltage generated therein. The organic light emitting diode generates a light output based on the driving current. The operation of the memory unit is controlled by a first auxiliary power voltage and a second auxiliary power voltage. When the first auxiliary power voltage is greater than the second auxiliary power voltage, the memory unit is enabled to perform a voltage retaining operation on the driving voltage. When the second auxiliary power voltage is greater than the first auxiliary power voltage, the memory unit is disabled for ceasing the voltage retaining operation.Type: ApplicationFiled: May 4, 2010Publication date: June 23, 2011Inventors: Tsung-Ting Tsai, Yuan-Chun Wu
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Patent number: 7956830Abstract: An organic light-emitting diode (OLED) panel and driving method thereof is provided. The OLED panel includes a plurality of data lines, scan lines, pixels, sampling voltage lines and compensation voltage lines. The sampling voltage line transmits a compensation voltage in response to compensation signals from the data lines, threshold voltages of driving transistors and organic light emitting diodes in the pixels connected to the same scan line. The corresponding compensation voltage line adjusts data signals transmitted into the pixels connected to the same scan line in response to the compensation voltage.Type: GrantFiled: April 25, 2007Date of Patent: June 7, 2011Assignee: AU Optronics Corp.Inventors: Yung-Chih Chen, Chih-Lung Lin, Yuan-Chun Wu
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Publication number: 20110090137Abstract: An exemplary pixel circuit includes an OLED, a storage capacitor, a driving transistor and first through fourth switching transistors. The driving transistor is for driving the OLED at a predetermined brightness. The first source/drain electrode of the driving transistor is coupled to a terminal of the storage capacitor, the second source/drain electrode is coupled to the OLED, and the gate electrode is coupled to receive a data voltage through the first switching transistor. Gate-on voltages of the first and second switching transistors are in opposite phases to each other, and the first and second switching transistors are controlled by the same control signal. Likewise, gate-on voltages of the third and fourth switching transistors are in opposite phases to each other, and the third and fourth switching transistors are controlled by the same control signal. A pixel driving method is also disclosed.Type: ApplicationFiled: October 15, 2010Publication date: April 21, 2011Applicant: AU OPTRONICS CORP.Inventors: Chun-Yen LIU, Yuan-Chun Wu
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Patent number: 7924350Abstract: The present invention relates to a liquid crystal display (LCD). The LCD includes a plurality of display units formed with a first substrate, a color matrix formed on the first substrate, and a common electrode formed on the color matrix, a second substrate spaced from the first substrate, a pixel electrode matrix formed on the second substrate, a liquid crystal material disposed between the common electrode and the pixel electrode matrix. The LCD includes a touch sensing member integrated onto the color matrix of the first substrate.Type: GrantFiled: October 12, 2007Date of Patent: April 12, 2011Assignee: AU Optronics CorporationInventors: Mei-Sheng Ma, Kuo-Hsing Cheng, Hsin-Hung Lee, Meng-Hsiang Chang, Yuan-Chun Wu
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Publication number: 20110050659Abstract: An exemplary pixel circuit includes an organic light emitting diode (OLED), a storage capacitance, a driving transistor and first through fourth switching transistors. The driving transistor is for generating a pixel current according to a charge amount stored on the storage capacitance to drive the OLED at a predetermined luminance. The on/off states of the first through fourth transistors are controlled by the same control signal. By means of particular electrical connection relationships of the first through fourth transistors in the pixel circuit, the pixel current flowing through the OLED is irrelevant to the power supply voltage and the threshold voltage of the driving transistor but is increased along with the increase of a cross-voltage of the OLED resulting from long-term use. The present invention also provides an active matrix OLED display using the above-mentioned pixel circuit and a driving method for the pixel circuit.Type: ApplicationFiled: October 30, 2009Publication date: March 3, 2011Inventors: Tsung-Ting TSAI, Yuan-Chun WU
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Publication number: 20110026599Abstract: An adaptive filter to use in connection with prediction-based pixel block encoding and decoding is determined independently at the encoder and decoder side through a template-based procedure. A pixel block (12) has an identified reference pixel block (22) in a reference frame (20). A template (16) of multiple pixels (18) adjacent the pixel block (12) and a reference template (26) of multiple pixels (28) adjacent the reference pixel block (22) are used for determining the filter parameters of the adaptive filter. The determined adaptive filter is then applied to the reference pixel block (22) and is used for generating an encoded representation (40) of the pixel block (12) during encoding and or generating a decoded representation of the pixel block (12) during decoding.Type: ApplicationFiled: October 21, 2008Publication date: February 3, 2011Inventors: Kenneth Andersson, Clinton Priddle, Yuan Chun Wu
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Publication number: 20110012135Abstract: A light-emitting device including a plurality of light-emitting units is provided. Each of the light-emitting units includes a first common electrode layer, a plurality of light-emitting layers, and a second common electrode layer. The first common electrode layer includes a bridge conductive line and a plurality of first electrode patterns electrically insulated from each other, in which the first electrode patterns cover a portion of the bridge conductive line and are electrically connected to each other through the bridge conductive line. Each of the light-emitting layers is disposed on one of the first electrode patterns. The second common electrode layer is disposed on the light-emitting layers, in which the first common electrode layer of each of the light-emitting units is electrically connected to the second common electrode layer of an adjacent light-emitting unit.Type: ApplicationFiled: November 12, 2009Publication date: January 20, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Chieh-Wei Chen, Yuan-Chun Wu