Patents by Inventor Chien-Lung Tsou
Chien-Lung Tsou 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: 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: 8084961Abstract: A backlight module control system includes at least one backlight module, a driving circuit, at least one switch and a power supply module. The driving circuit is utilized for determining a driving signal to drive the backlight module. The switch is coupled between the driving circuit and the backlight module, and is selectively turned on or off according to the driving signal. The power supply module is coupled to the backlight module, and is utilized for providing an operating voltage required by the backlight module control system.Type: GrantFiled: February 18, 2009Date of Patent: December 27, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Han-Yu Chao, Chien-Lung Tsou
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Patent number: 8076863Abstract: A back light module is provided. The back light module includes a plurality of light source matrixes, a current adjusting circuit and a light source driving circuit, wherein each of the light source matrixes includes N light emitting units and N is an integer greater than 1. First ends of the light emitting units are electrically connected to each other, and a second end of the ith light emitting unit is electrically connected to an ith level switch line, wherein i is an integer and 1?i?N. The current adjusting circuit supplies and controls the current of each of the light source matrixes through level switch lines. The light source driving circuit drives the light source matrixes sequentially.Type: GrantFiled: July 23, 2008Date of Patent: December 13, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Han-Yu Chao, Chien-Lung Tsou
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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: 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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Patent number: 7884378Abstract: An LED package structure includes a frame, at least a first LED, and at least a second LED. The frame includes a base having a first cavity and a second cavity, where the second cavity is disposed under the first cavity and the second cavity is smaller than the first cavity. The first LED is disposed in the bottom of the first cavity, and the second LED is disposed in the bottom of the second cavity.Type: GrantFiled: October 26, 2009Date of Patent: February 8, 2011Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Fu-Cai Lu, Chun-Wei Su, Chien-Lung Tsou, Chi-Neng Mo
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Publication number: 20110024773Abstract: An LED package structure includes a frame, at least a first LED, and at least a second LED. The frame includes a base having a first cavity and a second cavity, where the second cavity is disposed under the first cavity and the second cavity is smaller than the first cavity. The first LED is disposed in the bottom of the first cavity, and the second LED is disposed in the bottom of the second cavity.Type: ApplicationFiled: October 26, 2009Publication date: February 3, 2011Inventors: Fu-Cai Lu, Chun-Wei Su, Chien-Lung Tsou, Chi-Neng Mo
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Publication number: 20100141180Abstract: A light source system includes a current source for providing a predetermined current, a dimming control switch for turning on/off according to a dimming control signal, a first interlacing-control switch for turning on/off according to a first interlacing-control signal, a second interlacing-control switch for turning on/off according to a second interlacing-control signal, a first light emitting load for emitting light when receiving the predetermined current through the first interlacing-control switch and the dimming switch, and a second light emitting load for emitting light when receiving the predetermined current through the second interlacing-control switch and the dimming switch. When the first interlacing-control switch is turned on, the second interlacing-control switch is turned off. When the second interlacing-control switch is turned on, the first interlacing-control switch is turned off.Type: ApplicationFiled: January 23, 2009Publication date: June 10, 2010Inventors: Han-Yu Chao, Chien-Lung Tsou
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Publication number: 20100141121Abstract: 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: ApplicationFiled: February 5, 2009Publication date: June 10, 2010Applicant: Chunghwa Picture Tubes, LTD.Inventors: Fang-Chung Chen, Yung-Shiuan Chen, Sheng-Chieh Chien, Chi-Neng Mo, Chien-Lung Tsou, Jan-Tian Lian
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Publication number: 20100110686Abstract: An LED light module of uniformly mixed light is provided. The LED light module has a plurality of shifted-disposed LED packages, arranged as a polygon, disposed on a substrate. Each of the shifted-disposed LED packages includes a base, and an LED die disposed aside from a center of the base. The light emitted from the shifted-disposed LED package is asymmetrically dispersed and is tilted to a predetermined direction. Therefore, the lights from the shifted-disposed LED packages are centralized and uniformly mixed as white light.Type: ApplicationFiled: February 3, 2009Publication date: May 6, 2010Inventors: Tzung-Yang Li, Tzu-Pin Lin, Chien-Lung Tsou, Chi-Neng Mo
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Publication number: 20100060146Abstract: 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: ApplicationFiled: December 22, 2008Publication date: March 11, 2010Applicant: 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: 20100033100Abstract: A backlight module control system includes at least one backlight module, a driving circuit, at least one switch and a power supply module. The driving circuit is utilized for determining a driving signal to drive the backlight module. The switch is coupled between the driving circuit and the backlight module, and is selectively turned on or off according to the driving signal. The power supply module is coupled to the backlight module, and is utilized for providing an operating voltage required by the backlight module control system.Type: ApplicationFiled: February 18, 2009Publication date: February 11, 2010Inventors: Han-Yu Chao, Chien-Lung Tsou
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Publication number: 20090256495Abstract: A back light module is provided. The back light module includes a plurality of light source matrixes, a current adjusting circuit and a light source driving circuit, wherein each of the light source matrixes includes N light emitting units and N is an integer greater than 1. First ends of the light emitting units are electrically connected to each other, and a second end of the ith light emitting unit is electrically connected to an ith level switch line, wherein i is an integer and 1?i?N. The current adjusting circuit supplies and controls the current of each of the light source matrixes through level switch lines. The light source driving circuit drives the light source matrixes sequentially.Type: ApplicationFiled: July 23, 2008Publication date: October 15, 2009Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Han-Yu Chao, Chien-Lung Tsou
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Publication number: 20090231818Abstract: An electronic element module and an electronic device using the same are provided. The electronic element module includes a circuit board and at least a capacitor. In one embodiment, the circuit board has a plurality of contacts. The capacitor is disposed on the circuit board with a gap therebetween. Besides, the capacitor has a plurality of terminals electrically connected to the contacts correspondingly. The gap is filled with a glue.Type: ApplicationFiled: May 24, 2009Publication date: September 17, 2009Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Liang-Ming Yu, Chien-Lung Tsou, Hsin-Li Lin, Yuming Liu
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Publication number: 20090230579Abstract: A method of fabricating a polarizer is provided. The method includes following steps. First, a polyvinyl alcohol (PVA) film is provided. A dyeing process is then performed on the PVA film by using an ultraviolet (UV) light as a dyeing assistant. Next, an iodine dyeing process is performed on the PVA film. Finally, a protection film is formed on an upper surface of the PVA film and a protection film is formed on a lower surface of the PVA film, so as to form the polarizer.Type: ApplicationFiled: August 26, 2008Publication date: September 17, 2009Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Jan-Tian Lian, Chien-Lung Tsou, Chi-Neng Mo
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Patent number: 7561437Abstract: An electronic element module and an electronic device using the same are provided. The electronic element module includes a circuit board and a plurality of electronic elements. In one embodiment, the circuit board has a plurality of leg-holes. Each of the electronic elements includes a body and a plurality of legs that connected to the body. Wherein, the bodies of the electronic elements are glued each other, and the legs of the electronic elements are partially plugged in the leg-holes. In another one embodiment, the circuit board has a plurality of contacts. The electronic element is disposed on the circuit board with a gap therebetween. The electronic element has a plurality of terminals that electrically connect to the contacts of the circuit board correspondingly. Otherwise, the gap is filled with glue.Type: GrantFiled: June 22, 2005Date of Patent: July 14, 2009Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Liang-Ming Yu, Chien-Lung Tsou, Hsin-Li Lin, Yuming Liu
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Publication number: 20060262510Abstract: An electronic element module and an electronic device using the same are provided. The electronic element module includes a circuit board and a plurality of electronic elements. In one embodiment, the circuit board has a plurality of leg-holes. Each of the electronic elements includes a body and a plurality of legs that connected to the body. Wherein, the bodies of the electronic elements are glued each other, and the legs of the electronic elements are partially plugged in the leg-holes. In another one embodiment, the circuit board has a plurality of contacts. The electronic element is disposed on the circuit board with a gap therebetween. The electronic element has a plurality of terminals that electrically connect to the contacts of the circuit board correspondingly. Otherwise, the gap is filled with glue.Type: ApplicationFiled: June 22, 2005Publication date: November 23, 2006Inventors: Liang-Ming Yu, Chien-Lung Tsou, Hsin-Li Lin, Yuming Liu