Patents by Inventor Chung-Hao Wu
Chung-Hao 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: 10955874Abstract: A multi-screen display device includes a plurality of display screens and a prism structure optical element disposed between two adjacent display screens. The prism structure optical element includes a substrate and a plurality of prism columns. The substrate includes a first region and a second region adjacent to each other, and the lengths of the first and second regions are respectively La and Lb, and La?Lb. The prism columns include a plurality of first and second prism columns in the first and second regions respectively. Each first prism columns has two interior angles ?a1, ?a2, a first surface and a second surface. Each second prism columns has two interior angles ?b1, ?b2, a third surface and a fourth surface. The second and/or fourth surfaces are light absorbing surfaces, or a roughness of the second and fourth surfaces is greater than that of the first and third surfaces.Type: GrantFiled: March 13, 2020Date of Patent: March 23, 2021Assignee: CHAMP VISION DISPLAY INC.Inventors: Chin-Ku Liu, Chung-Hao Wu
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Publication number: 20210080078Abstract: The invention provides a light source module including a light guide plate and light emitting elements. The light guide plate includes a main plate body and a plurality of optical microstructures. The main plate body has a light emitting surface and a back surface opposite to each other, and a light incident surface connected therebetween. The optical microstructures are formed on the back surface. Each optical microstructure includes at least two sections connected to each other, each section having a reflective surface. The light emitting elements are disposed on the light incident surface, and light emitted by each of the light emitting elements is reflected by at least some of the reflective surfaces and transmitted to the light emitting surface. In any optical microstructure, the reflective surfaces are not parallel to each other.Type: ApplicationFiled: September 10, 2020Publication date: March 18, 2021Applicant: CHAMP VISION DISPLAY INC.Inventors: Hsin-Hung Lee, Chin-Ku Liu, Chung-Hao Wu, Kun-Hsien Lee
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Patent number: 10883670Abstract: A light guide module and a light source module are provided. The light guide module includes a light guide plate (LGP) and a first reflective component. The LGP includes a plate body and first microstructures. The plate body has a first light incident surface, a first side surface and a first surface connected thereto. The first microstructures are located on the first surface, and each of the first microstructures has a first optical surface facing the first side surface and the first microstructures are arranged in a first microstructure pattern. The first reflective component is located beside the first side surface, wherein the first microstructures are adapted to cause a light beam reflected by the first reflective component to present a first pattern through the first optical surfaces.Type: GrantFiled: August 22, 2019Date of Patent: January 5, 2021Assignee: CHAMP VISION DISPLAY INC.Inventors: Chin-Ku Liu, Hsin-Hung Lee, Chung-Hao Wu
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Publication number: 20200293087Abstract: A multi-screen display device includes a plurality of display screens and a prism structure optical element disposed between two adjacent display screens. The prism structure optical element includes a substrate and a plurality of prism columns. The substrate includes a first region and a second region adjacent to each other, and the lengths of the first and second regions are respectively La and Lb, and La?Lb. The prism columns include a plurality of first and second prism columns in the first and second regions respectively. Each first prism columns has two interior angles ?a1, ?a2, a first surface and a second surface. Each second prism columns has two interior angles ?b1, ?b2, a third surface and a fourth surface. The second and/or fourth surfaces are light absorbing surfaces, or a roughness of the second and fourth surfaces is greater than that of the first and third surfaces.Type: ApplicationFiled: March 13, 2020Publication date: September 17, 2020Inventors: Chin-Ku Liu, Chung-Hao Wu
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Publication number: 20200264347Abstract: A display apparatus with multi screens includes a plurality of display screens and a prism structure optical element disposed between two adjacent display screens. The prism structure optical element includes a base and a plurality of prism pillars arranged on the base in a predetermined direction and facing two adjacent display screens. The base includes adjacent a first region and a second region. Lengths of the first region and the second region along the predetermined direction are La and Lb, respectively, wherein La?Lb. The prism pillars include a plurality of first prism pillars arranged in the first region and a plurality of second prism pillars arranged in the second region. Each of the first prism pillars and the second prism pillars respectively has a total reflecting surface and a refracting surface. The total reflecting surface is located between the refracting surface and an adjacent area.Type: ApplicationFiled: February 14, 2020Publication date: August 20, 2020Inventors: CHIN-KU LIU, CHUNG-HAO WU
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Patent number: 10627974Abstract: A touch display apparatus and a backlight module are provided. The touch display apparatus includes the backlight module and a display module. The backlight module includes an electromagnetic resonance (EMR) sensing module, an edge-type light source module and a direct-type light source module. The EMR sensing module emits an electromagnetic signal to a stylus pen. The edge-type light source module includes a light guide plate disposed above the EMR sensing module and a first light source apparatus disposed beside the light guide plate. A second light source apparatus of the direct-type light source module includes a substrate disposed between the edge-type light source module and the EMR sensing module and a plurality of second light sources disposed on a surface of the substrate. The display module is disposed above the backlight module.Type: GrantFiled: March 29, 2019Date of Patent: April 21, 2020Assignee: CHAMP VISION DISPLAY INC.Inventors: Hsin-Hung Lee, Chung-Hao Wu, Kun-Hsien Lee, Chin-Ku Liu
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Publication number: 20130308698Abstract: Mode-dependent rate and distortion estimation methods for coarse grain scalability (CGS) in scalable video coding (SVC) are provided. The rate and distortion values of a base layer and an enhancement layer are estimated based on different combinations of a block partition size of the base layer block, a transform block size of the base layer transform, and a quantization parameter of the base layer quantization as well as a block partition size of the enhancement layer block, a transform block size of the enhancement layer transform, a quantization parameter of the enhancement layer, and a setting of the inter-prediction, and a mode pair for CGS in SVC may be selected accordingly based on the estimation of the rate and distortion values of the base layer and the enhancement layer. The disclosure also provides a mode-dependent rate and distortion estimation apparatus to realize the above method.Type: ApplicationFiled: April 26, 2013Publication date: November 21, 2013Applicant: Industrial Technology Research InstituteInventors: Wen-Hsiao Peng, Chung-Hao Wu
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Publication number: 20120162513Abstract: The invention relates to a multimedia apparatus and more particularly to a multimedia apparatus capable of providing karaoke service through Internet servers or other external devices. The invention provides operating interfaces that are compatible to individual hardware, internet server, and mode of instruction input. The invention identifies multimedia files in external storages and further offers an offline karaoke service.Type: ApplicationFiled: December 15, 2011Publication date: June 28, 2012Inventors: TSE-MING CHANG, Chung-Hao Wu
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Patent number: 8101703Abstract: A process for preparing a precursor solution for polyimide/silica composite material and a process for forming a polyimide/silica composite material film on a substrate, including adding a monomer of a silane compound to allow a poly(amic acid) to carry a silica moiety; adding a monomer of formula (R6)xSi(R7)4-x to allow the silica moiety to carry a photo-polymerizable unsaturated group; adding a monomer of formula R8N(R9)2 to allow the poly(amic acid) to carry a photo-polymerizable unsaturated group, where R6, R7, R8, R9 and x are as defined in the specification. Also, a precursor solution for polyimide/silica composite material and a polyimide/silica composite material. The composite material is useful in microelectronic devices, semiconductor elements, and photoelectric elements.Type: GrantFiled: July 30, 2010Date of Patent: January 24, 2012Assignee: Eternal Chemical Co., LtdInventors: Chung-Jen Wu, Min-Chi Wang, Chung-Hung Chang, Meng-Yen Chou, Chin-Chang Chuang, Hsin-Wei Huang, Shu-Wan Lu, Chin-Min An, Chung-Hao Wu, Wen-Chang Chen, Cheng-Tyng Yen, Yu-Wen Wang, Kuo-Huang Hsieh
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Publication number: 20100297455Abstract: The present invention relates to a process for preparing a precursor solution for polyimide/silica composite material and a process for forming a polyimide/silica composite material film on a substrate, comprising adding a monomer of a silane compound to allow a poly(amic acid) to carry a silica moiety; adding a monomer of formula (R6)xSi(R7)(4-x) to allow the silica moiety to carry a photo-polymerizable unsaturated group; and adding a monomer of formula R8N(R9)2 to allow the poly(amic acid) to carry a photo-polymerizable unsaturated group, where R6, R7, R8, R9, and x are as defined in the specification. The present invention also relates to a precursor solution for polyimide/silica composite material and a polyimide/silica composite material. The composite material of the present invention is useful in microelectronic devices, semiconductor elements, and photoelectric elements.Type: ApplicationFiled: July 30, 2010Publication date: November 25, 2010Inventors: Chung-Jen WU, Min-Chi Wang, Chung-Hung Chang, Meng-Yen Chou, Chin-Chang Chuang, Hsin-Wei Huang, Shu-Wan Lu, Chin-Min An, Chung-Hao Wu, Wen-Chang Chen, Cheng-Tyng Yen, Yu-Wen Wang, Kuo-Huang Hsieh
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Patent number: 7790828Abstract: A process for preparing a precursor solution for polyimide/silica composite material and a process for forming a polyimide/silica composite material film on a substrate, including adding a monomer of a silane compound to allow a poly(amic acid) to carry a silica moiety; adding a monomer of formula (R6)xSi(R7)(4?x) to allow the silica moiety to carry a photo-polymerizable unsaturated group; and adding a monomer of formula R8N(R9)2 to allow the poly(amic acid) to carry a photo-polymerizable unsaturated group, where R6, R7, R8, R9, and x are as defined in the specification. Also, a precursor solution for polyimide/silica composite material and a polyimide/silica composite material. The composite material is useful in microelectronic devices, semiconductor elements, and photoelectric elements.Type: GrantFiled: May 2, 2005Date of Patent: September 7, 2010Assignee: Eternal Chemical Co., Ltd.Inventors: Chung-Jen Wu, Min-Chi Wang, Chung-Hung Chang, Meng-Yen Chou, Chin-Chang Chuang, Hsin-Wei Huang, Shu-Wan Lu, Chin-Min An, Chung-Hao Wu, Wen-Chang Chen, Cheng-Tyng Yen, Yu-Wen Wang, Kuo-Huang Hsieh
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Patent number: 7697290Abstract: The invention discloses an electronic apparatus and a fan module thereof. The fan module includes a base, an impeller, a liquid container, an atomizing device and a cover. The impeller is provided in the base. The liquid container is placed at the center of the impeller, and the liquid container contains a liquid. The atomizing device is disposed on the liquid container, and the atomizing device can atomize the liquid to form a mist to spray in order to absorb the heat in the electronic apparatus. The cover covers the base and forms an air outlet with the base. Furthermore, the cover has an air inlet. When the impeller rotates, the blade of the impeller drives airflow mixed the heated mist to enter into the base through the air inlet of the cover, and to exit from the base through the air outlet.Type: GrantFiled: January 22, 2009Date of Patent: April 13, 2010Assignee: Pegatron CorporationInventor: Chung-Hao Wu
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Publication number: 20090195982Abstract: The invention discloses an electronic apparatus and a fan module thereof. The fan module includes a base, an impeller, a liquid container, an atomizing device and a cover. The impeller is provided in the base. The liquid container is placed at the center of the impeller, and the liquid container contains a liquid. The atomizing device is disposed on the liquid container, and the atomizing device can atomize the liquid to form a mist to spray in order to absorb the heat in the electronic apparatus. The cover covers the base and forms an air outlet with the base. Furthermore, the cover has an air inlet. When the impeller rotates, the blade of the impeller drives airflow mixed the heated mist to enter into the base through the air inlet of the cover, and to exit from the base through the air outlet.Type: ApplicationFiled: January 22, 2009Publication date: August 6, 2009Applicant: PEGATRON CORPORATIONInventor: Chung-Hao WU
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Publication number: 20080110450Abstract: An oil burner is disclosed to include a burner body holding a candle on its bottom side for burning, and an oil pan, which has a recessed top open chamber for holding an essential oil, a bottom partition wall supported on the burner body above the candle, an air chamber defined between the recessed top open chamber and the bottom partition wall, and a plurality of air holes cut through the bottom partition wall through which the flow of hot air produced during burning of the candle enters the air chamber to heat the recessed top open chamber evenly and to cause the essential oil to evaporate gradually.Type: ApplicationFiled: November 13, 2006Publication date: May 15, 2008Inventor: Chung-Hao Wu
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Publication number: 20060187307Abstract: An object boundary fitting system and a method thereof for an digital data presenter are provided. The system contains a camera system and a control system which contains an automatic fitting object boundary controller. The first step of the provided method is to automatically set an adjustable camera scope of a camera system to a relatively largest camera scope. Then, a specific boundary of a specific object is defined as an image scope through the camera system, the specific boundary is compared to the adjustable camera scope, and the adjustable camera scope is matched to the specific object by manual selection.Type: ApplicationFiled: January 31, 2006Publication date: August 24, 2006Inventor: Chung-Hao Wu
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Publication number: 20050245715Abstract: The present invention relates to a process for preparing a precursor solution for polyimide/silica composite material and a process for forming a polyimide/silica composite material film on a substrate, comprising adding a monomer of a silane compound to allow a poly(amic acid) to carry a silica moiety; adding a monomer of formula (R6)xSi(R7)(4-x) to allow the silica moiety to carry a photo-polymerizable unsaturated group; and adding a monomer of formula R8N(R9)2 to allow the poly(amic acid) to carry a photo-polymerizable unsaturated group, where R6, R7, R8, R9, and x are as defined in the specification. The present invention also relates to a precursor solution for polyimide/silica composite material and a polyimide/silica composite material. The composite material of the present invention is useful in microelectronic devices, semiconductor elements, and photoelectric elements.Type: ApplicationFiled: May 2, 2005Publication date: November 3, 2005Inventors: Chung-Jen Wu, Min-Chi Wang, Chung-Hung Chang, Meng-Yen Chou, Chin-Chang Chuang, Hsin-Wei Huang, Shu-Wan Lu, Chin-Min An, Chung-Hao Wu, Wen-Chang Chen, Cheng-Tyng Yen, Yu-Wen Wang, Kuo-Huang Hsieh