Patents by Inventor Chi-Neng Mo
Chi-Neng Mo 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: 8186865Abstract: A color light guide panel, suitable for differentiating an incident light into multiple color lights is provided. The color light guide panel includes a substrate and a color light output structure. The substrate has multiple pixel regions, and the color light output structure is disposed in each of the pixel regions. The color light output structure includes a first nano-pattern, a second nano-pattern and a third nano-pattern. The incident light is scattered by the first nano-pattern for producing a first color light, scattered by the second nano-pattern for producing a second color light, and scattered by the third nano-pattern for producing a third color light. The color light guide panel can output uniform and high luminous first, second and third color light. Moreover, a liquid crystal display device having the above color light output structure is also provided.Type: GrantFiled: November 26, 2008Date of Patent: May 29, 2012Assignee: Chunghwa Picture Tubes Ltd.Inventors: Pei-Kuen Wei, Yeong-Der Yao, Da-Hua Wei, Shen-Yu Hsu, Kai-Wen Cheng, Tzu-Pin Lin, Chi-Neng Mo
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Patent number: 8158027Abstract: A red light fluorescent material adapted for being excited by a first light to emit a red light is provided. The red light fluorescent material has the chemical formula (1) presented below, A2Eu(MO4)(PO4)??(1), in which A represents Li, Na, K, Rb, Cs, or Ag, and M represents Mo, W, or a combination thereof (MoxW(1?x)). The red light fluorescent material can provide a red light with high luminance and good color purity. Moreover, since the composition of the red light fluorescent material includes oxides, the red light fluorescent material has high chemical stability and long lifetime.Type: GrantFiled: June 3, 2009Date of Patent: April 17, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chuang-Hung Chiu, Teng-Ming Chen, Chi-Neng Mo
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Patent number: 8157606Abstract: A fabricating method of an electron-emitting device is provided. The fabricating method of the electron-emitting device includes at least following procedures. Firstly, a substrate is provided. Next, a first electrode and a second electrode are formed on the substrate. Afterward, a conductive layer covering the first electrode and the second electrode is formed on the substrate. Then, a first conductive layer, a second conductive layer and a gap are formed by patterning the conductive layer. The gap is disposed between the first conductive layer and the second conductive layer. After that, a plasma process is performed at the first conductive layer and second conductive layer.Type: GrantFiled: July 10, 2009Date of Patent: April 17, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chih-Hao Tsai, Kuan-Jung Chen, Fu-Ming Pan, Chi-Neng Mo, Kuo-Chung Lo, Mei-Tsao Chiang
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Patent number: 8148911Abstract: The present invention relates to a current-balance circuit and a backlight module having the same. The current balance circuit includes a current balance unit, a control unit, and a detection unit. The current balance unit is connected to a plurality of light units to regulate the current of the plurality of light units, independent from the effects of input voltage. The detection unit is connected to the plurality of light units and the current balance unit to detect the minimum operating voltage for the plurality of light units. The control unit, connected to the current balance unit, controls the operation of the plurality of light units.Type: GrantFiled: April 29, 2009Date of Patent: April 3, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Ke-Horng Chen, Chia-Lin Chiu, Ling Li, Chia-Lin Liu, Chi-Neng Mo
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Patent number: 8143623Abstract: A thin film transistor and a manufacturing method thereof are provided. An insulating pattern layer having at least one protrusion is formed on a substrate. Afterwards, at least one spacer and a plurality of amorphous semiconductor patterns separated from each other are formed on the insulating pattern layer. The spacer is formed at one side of the protrusion and connected between the amorphous semiconductor patterns. Later, the spacer and the amorphous semiconductor patterns are crystallized. Subsequently, the protrusion and the insulating pattern layer below the spacer are removed so that a beam structure having a plurality of corners is formed and suspended over the substrate. Then, a carrier tunneling layer, a carrier trapping layer and a carrier blocking layer are sequentially formed to compliantly wrap the corners of the beam structure. Hereafter, a gate is formed on the substrate to cover the beam structure and wrap the carrier blocking layer.Type: GrantFiled: January 12, 2010Date of Patent: March 27, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Huang-Chung Cheng, Ta-Chuan Liao, Sheng-Kai Chen, Ying-Hui Chen, Chi-Neng Mo
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Patent number: 8120288Abstract: A light emitting diode (LED) driving circuit is provided. The LED driving circuit includes a voltage adjusting unit, a switch unit, and a control unit. The control unit is coupled to the voltage adjusting unit and the switch unit. The voltage adjusting unit outputs a driving voltage to a first end of each of a plurality of load units. The switch unit is coupled to a second end of each of the load units. When one LED string in the load units is coupled to a current source, the voltage adjusting unit adjusts the voltage level of the driving voltage so that the voltage level of the driving voltage of the driving voltage corresponds to the driven LED string. Thereby, a driving problem caused by the variation in electrical characteristics of the LEDs is alleviated.Type: GrantFiled: August 18, 2009Date of Patent: February 21, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chia-Lin Liu, Ling Li, Chia-Ling Peng, Kuo-Chung Lo, Chi-Neng Mo
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Patent number: 8109665Abstract: A backlight module is provided. The backlight module has a reflective chamber and a light source. The reflective chamber includes a bottom reflector, a top reflector, at least a light entrance, and a plurality of light emitting openings disposed on the top reflector. The light source is disposed corresponding to the light entrance. The number of the light emitting openings per unit area in a region near the light source is less than the number of the light emitting openings per unit area in another region far from the light source.Type: GrantFiled: February 2, 2010Date of Patent: February 7, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Tzu-Pin Lin, Tzung-Yang Li, Chien-Lung Tsou, Chi-Neng Mo
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Patent number: 8077139Abstract: A driving circuit of a backlight module is provided. The driving circuit has a dimming unit used for transmitting signals, wherein the dimming unit can adjust a current flowing through a light-emitting diode (LED) according a pulse width modulation signal and an enable signal, so as to adjust a light-emitting intensity of the LED. In the present invention, fewer devices are used to implement the dimming unit, and a transmission gate is replaced by a N-type transistor and a P-type transistor, such that a chip area and a circuit cost of the driving circuit are reduced.Type: GrantFiled: July 2, 2009Date of Patent: December 13, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Shih-Meng Chang, Chia-Lin Liu, Chi-Neng Mo, Ke-Horng Chen, Chi-Lin Chen
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Patent number: 8054284Abstract: A back light module and a method for driving the back light module are disclosed. The back light module includes a plurality of light emitting units and a driving unit. The driving unit is electrically connected to the light emitting units and utilized for driving the light emitting units according to a switched-on number of the light emitting units and a dithering scheme.Type: GrantFiled: December 24, 2007Date of Patent: November 8, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Wen-Chih Tai, Tzu-Chiang Shen, Chia-Lin Liu, Chi-Neng Mo
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Patent number: 8054287Abstract: A driving apparatus, a driving method and a liquid crystal display (LCD) using the same are provided, wherein the method includes the following steps of: setting a color display sequence, wherein the color display sequence is RGBG, RGRB or RBGB; alternately reading frame data from a first frame register and a second register according to a frame period having three field periods; and sequentially displaying four color data in a cycle period having four field periods according to the color display sequence and the read frame data. By utilizing the method in the present invention, color loss of a field sequential color display occurred in a lower temperature environment is improved.Type: GrantFiled: December 11, 2008Date of Patent: November 8, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Wen-Chih Tai, Kuang-Lang Chen, Chia-Lin Liu, Chi-Neng Mo
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Publication number: 20110254468Abstract: A voltage converter for use in a backlight module stores energy of an input voltage using an inductor and outputs a plurality of output voltages accordingly. The charging path of the inductor is controlled according to the first output voltage so that the first output voltage can be stabilized. The discharging paths from the inductor to other output voltages are controlled according to the differences between other output voltages and the first output voltage so that other output voltages can also be stabilized.Type: ApplicationFiled: July 6, 2010Publication date: October 20, 2011Inventors: Ke-Horng Chen, Chi-Lin Chen, Yao-Yi Yang, Ling Li, Chia-Lin Liu, Chi-Neng Mo
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Publication number: 20110229630Abstract: A fabricating method of an electron-emitting device includes at least the following steps. A substrate having a first side and a second side is provided. The first side is opposite to the second side. A first electrode pattern layer is formed on the first side of the substrate. A conductive pattern layer is formed on the substrate and the first electrode pattern layer, and the conductive pattern layer partially covers the first electrode pattern layer. An electron-emitting region is formed in the conductive pattern layer. A second electrode pattern layer is formed on the second side of the substrate. The second electrode pattern layer partially covers the conductive pattern layer. The fabricating method has a simple fabricating process and a low fabricating cost.Type: ApplicationFiled: May 30, 2011Publication date: September 22, 2011Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chih-Hao Tsai, Kuan-Jung Chen, Fu-Ming Pan, Mei Liu, Chi-Neng Mo
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Publication number: 20110216031Abstract: A capacitance sensing circuit for a touch panel includes an analog capacitance-detecting circuit, a PWM-to-digital circuit and a self-calibration circuit. The analog capacitance-detecting circuit detects the capacitance of the touch panel based on a charging current, and converts the detected capacitance into a PWM control signal. The PWM-to-digital circuit converts the PWM control signal into a sensing count value based on a clock signal. The self-calibration circuit adjusts the value of the charging current or the frequency of the clock signal according to the difference between the range of the sensing count value and a predetermined detecting range. The predetermined detecting range can thus be adjusted for matching the range of the sensing count value.Type: ApplicationFiled: June 14, 2010Publication date: September 8, 2011Inventors: Ke-Horng Chen, Shih-Wei Wang, Chi-Lin Chen, Chih-Chung Chen, Chia-Lin Liu, Huai-An Li, Chi-Neng Mo
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Patent number: 8008854Abstract: A light emitting material includes a polyfluorene derivative having a liquid crystal side group is provided. The polyfluorene derivative has a chemical structure as described in structure 1: wherein Ar is an aromatic ring containing the liquid crystal side group, R1 and R2 are alkanes and n is 20 to 500.Type: GrantFiled: December 22, 2008Date of Patent: August 30, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chain-Shu Hsu, Chih-Nan Lo, Chi-Neng Mo, Chien-Lung Tsou, Jan-Tian Lian
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Publication number: 20110205222Abstract: A method for driving a liquid crystal display device is disclosed. The liquid crystal display device includes a plurality of scan lines, a plurality of data lines, and a plurality of pixel units. Each one of the pixel units is corresponding to one of the scan lines and one of the data lines. The method includes: turning on at least two of the scan lines at the same time, said at least two scan lines being separated from each other by at least one turned off scan line, and said at least two scan lines respectively coupled to distinct one or multiple of the data lines; and transmitting respective image data to the data lines which are coupled to said at least two scan lines. The present invention can solve problems of bad performance and errors in a display image.Type: ApplicationFiled: May 5, 2010Publication date: August 25, 2011Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: HUAN-TING ZHOU, Shian-jun Chiou, Ling Li, Ying-hui Chen, Wen-chih Tai, Chia-lin Liu, Chi-neng Mo
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Publication number: 20110186359Abstract: In a capacitance sensing analog circuit of a touch panel sensing circuit, by raising a magnitude of a current flowing through a sensing capacitor to form an amplified sensing capacitance, while sensing the amplified sensing capacitance with the aid of pulse width modulation signals, higher resolution of the original sensing capacitance may thus be achieved. Besides, by using a self-calibrating capacitance sensing circuit on the touch panel sensing circuit, linear errors and DC errors of an output signal of the capacitance sensing analog circuit may be filtered off, and thereby resolution of a capacitance amplifying ratio may be effectively raised so as to relieve errors within the capacitance amplifying ratio caused by noises.Type: ApplicationFiled: April 7, 2010Publication date: August 4, 2011Inventors: Ke-Horng Chen, Chi-Lin Chen, Yi-Chun Chen, Chih-Chung Chen, Chia-Lin Liu, Huai-An Li, Chi-Neng Mo
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Patent number: 7986080Abstract: An electron-emitting device and a fabricating method thereof are provided. First, a substrate, having a first side and a second side which is opposite to the first side, is provided. Afterwards, a first electrode pattern layer is formed on the first side of the substrate. Next, a conductive pattern layer is formed on the substrate and the first electrode pattern layer. After that, an electron-emitting region is formed in the conductive pattern layer. Then, a second electrode pattern layer is formed on the second side of the substrate and partially covers the conductive pattern layer. The fabricating method has a simple fabricating process and a low fabricating cost.Type: GrantFiled: December 25, 2007Date of Patent: July 26, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chih-Hao Tsai, Kuan-Jung Chen, Fu-Ming Pan, Mei Liu, Chi-Neng Mo
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Publication number: 20110141764Abstract: A backlight module is provided. The backlight module has a reflective chamber and a light source. The reflective chamber includes a bottom reflector, a top reflector, at least a light entrance, and a plurality of light emitting openings disposed on the top reflector. The light source is disposed corresponding to the light entrance. The number of the light emitting openings per unit area in a region near the light source is less than the number of the light emitting openings per unit area in another region far from the light source.Type: ApplicationFiled: February 2, 2010Publication date: June 16, 2011Inventors: Tzu-Pin Lin, Tzung-Yang Li, Chien-Lung Tsou, Chi-Neng Mo
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Patent number: 7956526Abstract: An organic electro-luminescence device including an anode, a cathode, an organic light emitting layer and a hole-transporting layer is provided. The cathode has a calcium electrode and an aluminum electrode adjacent thereto. The organic light emitting layer is disposed between the anode and the calcium electrode, and has a polymer, a phosphorescence dopant and an organic electron-transporting material, wherein a ratio of contents of the organic electron-transporting material to contents of the polymer in the organic light emitting layer is substantially between 0.1 and 1. The organic electron-transporting material is 1,3-bis(N,Nt-butyl-phenyl)-1,3,4-oxadiazole. The hole-transporting layer is disposed between the light emitting layer and the anode.Type: GrantFiled: February 5, 2009Date of Patent: June 7, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Fang-Chung Chen, Yung-Shiuan Chen, Shang-Chieh Chien, Chi-Neng Mo, Chien-Lung Tsou, Jan-Tian Lian
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Publication number: 20110122106Abstract: A liquid crystal display device includes a plurality of gate lines, a plurality of data lines, a pixel array, a gate driver, a timing controller, and an optimization circuit. Each pixel unit in the pixel array displays images according to the gate driving signal received from a corresponding gate line and the data driving signal received from a corresponding data line. According to an optimized reference value, the timing controller provides an output enable signal, based on which the gate driver outputs the gate driving signals. The optimization circuit receives a first grayscale data related to display images of a row of pixel units in a first driving period and a second grayscale data related to display images of the row of pixel units in a second driving period, and provides the optimized reference value according the difference between the first and second grayscale data.Type: ApplicationFiled: March 3, 2010Publication date: May 26, 2011Inventors: Ling Li, Shian-Jun Chiou, Ying-Hui Chen, Chi-Neng Mo