Patents by Inventor Chung-Chuan Chen
Chung-Chuan Chen 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: 7940352Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: GrantFiled: August 28, 2009Date of Patent: May 10, 2011Assignee: Au Optronics CorporationInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Patent number: 7932968Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: GrantFiled: August 28, 2009Date of Patent: April 26, 2011Assignee: Au Optronics CorporationInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Patent number: 7806567Abstract: A backlight module includes a light source module and a diffuser plate. The diffuser plate has a plate body, a plurality of light-scattering areas and a plurality of light-gathering areas. The light-scattering areas and the light-gathering areas are alternately disposed on a light-entrance surface or a light-exit surface of the plate body. The light-scattering area includes a plurality of cambered units while each cambered unit has a convex cambered surface. The light-gathering area includes a plurality of prism lenses. Two side surfaces of the prism lenses intersect at an angle ?.Type: GrantFiled: October 8, 2007Date of Patent: October 5, 2010Assignee: Au Optronics CorporationInventor: Chung-Chuan Chen
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Publication number: 20090316073Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: ApplicationFiled: August 28, 2009Publication date: December 24, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Publication number: 20090317542Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: ApplicationFiled: August 28, 2009Publication date: December 24, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Patent number: 7602459Abstract: A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The first diffusion layer is disposed on top of the light source module and the top light exit surface has a plurality of first micro structures juxtapositioned to each other. The second diffusion layer is disposed on top of the first diffusion layer, and the top surface has a plurality of second micro structures juxtapositioned to each other. The ratio of the width of each first micro structure to the width of each second micro structure is between 1.1 and 1.8. The ratio of the height of each first micro structure to the height of each second micro structure is between 0.8 and 1.5.Type: GrantFiled: September 21, 2006Date of Patent: October 13, 2009Assignee: Au Optronics CorporationInventors: Chung Chuan Chen, Kuang Ting Cheng, Kai-Ti Chen
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Patent number: 7364321Abstract: A backlight module and a lamp holder thereof. The backlight module includes a plurality of lamps and a lamp holder. The lamp holder includes a plurality of supporting portions and a plurality of holding portions. Each lamp is disposed on the corresponding supporting portion. Each holding portion includes two rods to fix the lamp at the supporting portion.Type: GrantFiled: July 26, 2005Date of Patent: April 29, 2008Assignee: Au Optronics Corp.Inventors: Chung-Chuan Chen, Nan-Ching Lee, Fei-Ling Chou
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Publication number: 20080089063Abstract: A diffuser plate and a backlight module using the same are provided. The backlight module includes a light source module and the diffuser plate disposed on the light source module. The diffuser plate has a plate body, a plurality of light-scattering areas and a plurality of light-gathering areas. The light-scattering areas and the light-gathering areas are alternately disposed on a light-entrance surface or a light-exit surface of the plate body. The light-scattering area includes a plurality of cambered units while each cambered unit has a convex cambered surface. The light-gathering area includes a plurality of prism lenses. Two side surfaces of the prism lenses intersect at an angle ?.Type: ApplicationFiled: October 8, 2007Publication date: April 17, 2008Applicant: AU OPTRONICS CORPORATIONInventor: Chung-Chuan Chen
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Patent number: 7307388Abstract: A lamp module for use in a backlight module of a flat panel display comprises a first transformer, a second transformer, a plurality of first lamps and a plurality of second lamps. The first transformer provides an AC power of a first phase, and the second transformer provides an AC power of a second phase. One end of the first lamp couples to the first transformer and another end couples to a node. One ends of the second lamps couples to the second transformer and another end couples to the node.Type: GrantFiled: March 22, 2005Date of Patent: December 11, 2007Assignee: AU Optronics Corp.Inventor: Chung-Chuan Chen
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Publication number: 20070253217Abstract: A backlight module and a light diffusing module disposed therein are provided. The light diffusing module includes a diffuser plate and an optical structure layer. The diffuser plate has a light entrance surface and a light output surface. The light entrance surface is corresponding to a light emitting surface of a light source. The light output surface of the diffuser plate includes a prickleless surface. The diffuser plate has a transmittance between 50% and 65%. The optical structure layer is disposed on the diffuser plate and includes an upper surface and a lower surface. The upper surface includes a plurality of optical structures. The lower surface of the optical structure layer directly contacts the light output surface of the diffuser plate.Type: ApplicationFiled: February 2, 2007Publication date: November 1, 2007Applicant: AU OPTRONICS CORPORATIONInventors: Chih-Chieh Su, Chih-Kang Wu, Chung-Chuan Chen
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Patent number: 7264364Abstract: A backlight assembly for a liquid crystal display panel. The assembly includes a lamp housing; a lamp; a diffuser plate; and a plurality of supports. Each support has first and second members. The first member has a body and a groove formed in the body for holding the lamp and attaching the lamp to the lamp housing. A cushioning member may be disposed around a section of the lamp and between the lamp and the first member for providing cushioning therebetween. The second member has an elongated body for supporting the diffuser plate when it attempts to sag or distort.Type: GrantFiled: October 7, 2005Date of Patent: September 4, 2007Assignee: AU Optronics Corp.Inventors: Chung-Chuan Chen, Chih-Kang Wu, Ting-Shih Hsu
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Publication number: 20060268542Abstract: A backlight module and a lamp holder thereof. The backlight module includes a plurality of lamps and a lamp holder. The lamp holder includes a plurality of supporting portions and a plurality of holding portions. Each lamp is disposed on the corresponding supporting portion. Each holding portion includes two rods to fix the lamp at the supporting portion.Type: ApplicationFiled: July 26, 2005Publication date: November 30, 2006Inventors: Chung-Chuan Chen, Nan-Ching Lee, Fei-Ling Chou
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Publication number: 20060108946Abstract: A lamp module for use in a backlight module of a flat panel display comprises a first transformer, a second transformer, a plurality of first lamps and a plurality of second lamps. The first transformer provides an AC power of a first phase, and the second transformer provides an AC power of a second phase. One end of the first lamp couples to the first transformer and another end couples to a node. One ends of the second lamps couples to the second transformer and another end couples to the node.Type: ApplicationFiled: March 22, 2005Publication date: May 25, 2006Inventor: Chung-Chuan Chen
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Publication number: 20060034090Abstract: A backlight assembly for a liquid crystal display panel. The assembly includes a lamp housing; a lamp; a diffuser plate; and a plurality of supports. Each support has first and second members. The first member has a body and a groove formed in the body for holding the lamp and attaching the lamp to the lamp housing. A cushioning member may be disposed around a section of the lamp and between the lamp and the first member for providing cushioning therebetween. The second member has an elongated body for supporting the diffuser plate when it attempts to sag or distort.Type: ApplicationFiled: October 7, 2005Publication date: February 16, 2006Inventors: Chung-Chuan Chen, Chih-Kang Wu, Ting-Shih Hsu
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Patent number: D390473Type: GrantFiled: May 6, 1997Date of Patent: February 10, 1998Inventor: Chung-Chuan Chen