Patents by Inventor Cheng-Kuang Yang
Cheng-Kuang Yang 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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Publication number: 20160064617Abstract: A light emitting diode (LED) structure including a stacked semiconductor layer, a contact layer and a dielectric reflective layer is provided. The stacked semiconductor layer includes a first type doped layer, a second type doped layer and an active layer disposed between the first type doped layer and the second type doped layer, wherein the first type doped layer, the active layer and the second type doped layer are penetrated by a plurality of recesses. The contact layer is disposed on the second type doped layer. The dielectric reflective layer is disposed on the contact layer and extended into the recesses to connect the contact layer and the first type doped layer with a coverage rate equal to or less than 60% from a top view of the LED structure.Type: ApplicationFiled: August 27, 2014Publication date: March 3, 2016Inventors: Cheng-Kuang Yang, Hui-Ching Feng, Chien-Pin Hsu, Kuo-Hui Yu, Shyi-Ming Pan
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Publication number: 20160043063Abstract: The present invention relates to a light emitting device comprising a transparent substrate which light can pass through and at least one LED chip emitting light omni-directionally. Wherein the LED chip is disposed on one surface of the substrate and the light emitting angle of the LED chip is wider than 180°, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. According to the present invention, the light emitting device using LED chips can provide sufficient lighting intensity and uniform lighting performance.Type: ApplicationFiled: October 19, 2015Publication date: February 11, 2016Inventors: CHI-CHIH PU, CHEN-HONG LEE, SHIH-YU YEH, WEI-KANG CHENG, SHYI-MING PAN, SIANG-FU HONG, CHIH-SHU HUANG, TZU-HSIANG WANG, SHIH-CHIEH TANG, CHENG-KUANG YANG
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Patent number: 9166116Abstract: The present invention relates to a light emitting device comprising a transparent substrate which light can pass through and at least one LED chip emitting light omni-directionally. Wherein the LED chip is disposed on one surface of the substrate and the light emitting angle of the LED chip is wider than 180°, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. According to the present invention, the light emitting device using LED chips can provide sufficient lighting intensity and uniform lighting performance.Type: GrantFiled: March 15, 2013Date of Patent: October 20, 2015Assignee: Formosa Epitaxy IncorporationInventors: Chi-Chih Pu, Chen-Hong Lee, Shih-Yu Yeh, Wei-Kang Cheng, Shyi-Ming Pan, Siang-Fu Hong, Chih-Shu Huang, Tzu-Hsiang Wang, Shih-Chieh Tang, Cheng-Kuang Yang
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Patent number: 9123868Abstract: A light emitting element includes a transparent substrate and a plurality of light emitting diode (LED) chips. The transparent substrate has a support surface and a second main surface disposed opposite to each other. At least some of the LED chips are disposed on the support surface and form a first main surface where light emitted from with a part of the support surface without the LED chips. Each of the LED chips includes a first electrode and a second electrode. Light emitted from at least one of the LED chips passes through the transparent substrate and emerges from the second main surface. An illumination device includes the light emitting element and a supporting base. The light emitting element is disposed on the supporting base, and an angle is formed between the light emitting element and the supporting base.Type: GrantFiled: May 29, 2013Date of Patent: September 1, 2015Assignee: Formosa Epitaxy IncorporationInventors: Shyi-Ming Pan, Wei-Kang Cheng, Chih-Shu Huang, Chen-Hong Lee, Shih-Yu Yeh, Chi-Chih Pu, Cheng-Kuang Yang, Shih-Chieh Tang, Siang-Fu Hong, Tzu-Hsiang Wang
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Patent number: 9065022Abstract: The present invention relates to a light emitting apparatus comprising at least one light emitting device and a support mechanism. The light emitting device includes a transparent substrate which light can pass through; at least one LED chip emitting light omni-directionally is disposed on one surface of the substrate, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. The support mechanism is coupled to the light emitting device; a first angle is formed between the substrate and the support mechanism. According to the present invention, the light emitting apparatus using LED chips can provide sufficient lighting intensity and uniform lighting performance.Type: GrantFiled: March 18, 2013Date of Patent: June 23, 2015Assignee: Formosa Epitaxy IncorporationInventors: Chi-Chih Pu, Chen-Hong Lee, Shih-Yu Yeh, Wei-Kang Cheng, Shyi-Ming Pan, Siang-Fu Hong, Chih-Shu Huang, Tzu-Hsiang Wang, Shih-Chieh Tang, Cheng-Kuang Yang
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Publication number: 20140132502Abstract: A method for quickly selecting a function from a smart device having a CPU and motion sensor. The method includes the steps: detecting an action mode of the smart device by the motion sensor and transmitting an action signal corresponding to the action mode to the CPU; matching the action signal to a predetermined function corresponding to the action signal by the CPU; and executing the predetermined function by the CPU according to an execution signal. In the method, the action data corresponding to the action modes of the smart device are built in an action database, and the predetermined function corresponding to the action mode of the smart device is executed in accordance with the action data by means of the motion sensor of the smart device which detects the action mode of the smart device so that the predetermined function can be quickly switched to and then executed.Type: ApplicationFiled: November 6, 2013Publication date: May 15, 2014Inventor: Cheng Kuang YANG
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Publication number: 20130322081Abstract: A light emitting element includes a transparent substrate and a plurality of light emitting diode (LED) chips. The transparent substrate has a support surface and a second main surface disposed opposite to each other. At least some of the LED chips are disposed on the support surface and form a first main surface where light emitted from with a part of the support surface without the LED chips. Each of the LED chips includes a first electrode and a second electrode. Light emitted from at least one of the LED chips passes through the transparent substrate and emerges from the second main surface. An illumination device includes the light emitting element and a supporting base. The light emitting element is disposed on the supporting base, and an angle is formed between the light emitting element and the supporting base.Type: ApplicationFiled: May 29, 2013Publication date: December 5, 2013Inventors: Shyi-Ming Pan, Wei-Kang Cheng, Chih-Shu Huang, Chen-Hong Lee, Shih-Yu Yeh, Chi-Chih Pu, Cheng-Kuang Yang, Shih-Chieh Tang, Siang-Fu Hong, Tzu-Hsiang Wang
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Publication number: 20130320373Abstract: The present invention relates to a light emitting device comprising a transparent substrate which light can pass through and at least one LED chip emitting light omni-directionally. Wherein the LED chip is disposed on one surface of the substrate and the light emitting angle of the LED chip is wider than 180°, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. According to the present invention, the light emitting device using LED chips can provide sufficient lighting intensity and uniform lighting performance.Type: ApplicationFiled: March 15, 2013Publication date: December 5, 2013Applicant: FORMOSA EPITAXY INCORPORATIONInventors: CHI-CHIH PU, CHEN-HONG LEE, SHIH-YU YEH, WEI-KANG CHENG, SHYI-MING PAN, SIANG-FU HONG, CHIH-SHU HUANG, TZU-HSIANG WANG, SHIH-CHIEH TANG, CHENG-KUANG YANG
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Publication number: 20130320363Abstract: A sapphire substrate configured to form a light emitting diode (LED) chip providing light in multi-directions, a LED chip and an illumination device are provided in the present invention. The sapphire substrate includes a growth surface and a second main surface opposite to each other. A thickness of the sapphire substrate is thicker than or equal to 200 micrometers. The LED chip includes the sapphire substrate and at least one LED structure. The LED structure is disposed on the growth surface and forms a first main surface where light emitted from with a part of the growth surface without the LED structures. At least a part of light beams emitted from the LED structure pass through the sapphire substrate and emerge from the second main surface. The illumination device includes at least one LED chip and a supporting base. The LED chip is disposed on the supporting base.Type: ApplicationFiled: May 28, 2013Publication date: December 5, 2013Applicant: Formosa Epitaxy IncorporationInventors: Shyi-Ming Pan, Wei-Kang Cheng, Chih-Shu Huang, Chen-Hong Lee, Shih-Yu Yeh, Chi-Chih Pu, Cheng-Kuang Yang, Shih-Chieh Tang, Siang-Fu Hong, Tzu-Hsiang Wang
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Patent number: 8030945Abstract: A Group of circuits and a testing method thereof and a testing machine thereof are provided. In the testing method, a first voltage of a first circuit is adjusted to be a second voltage according to a first adjusting signal, wherein the second voltage is closer to a standard voltage compared to the first voltage. Further, a third voltage of a second circuit is adjusted to be a forth voltage according to a second adjusting signal, and the forth voltage is closer to the standard voltage compared to the third voltage. In addition, a margin range of the second voltage and a margin range of the forth voltage are adjusted together according to a margin adjusting signal. Thereby, time required for testing the first circuit and the second circuit can be decreased, so as to lower the cost.Type: GrantFiled: July 9, 2008Date of Patent: October 4, 2011Assignee: Winbond Electronics Corp.Inventor: Cheng-Kuang Yang
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Publication number: 20100018114Abstract: A support for flower stalks includes a base and two tubes connected to the base. The base has two concavities defined in a bottom thereof and two protrusions upwardly extending from a top thereof. The concavities are adapted to be connected to a pot for assembling steadily. One end of each tube is mounted with a corresponding one of the protrusions. Each tube has a partial opening laterally defined therein for inserting the flower stalk into the tube. Each tune is divided into an upper portion and a lower portion by the partial opening. The upper portion is longer than the lower portion for supporting the flower stalk to prevent the flower from being bended or broken and the lower portion is mounted with the corresponding one of protrusions for securing the tube.Type: ApplicationFiled: July 24, 2008Publication date: January 28, 2010Inventor: Cheng-Kuang Yang
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Publication number: 20100007353Abstract: A Group of circuits and a testing method thereof and a testing machine thereof are provided. In the testing method, a first voltage of a first circuit is adjusted to be a second voltage according to a first adjusting signal, wherein the second voltage is closer to a standard voltage compared to the first voltage. Further, a third voltage of a second circuit is adjusted to be a forth voltage according to a second adjusting signal, and the forth voltage is closer to the standard voltage compared to the third voltage. In addition, a margin range of the second voltage and a margin range of the forth voltage are adjusted together according to a margin adjusting signal. Thereby, time required for testing the first circuit and the second circuit can be decreased, so as to lower the cost.Type: ApplicationFiled: July 9, 2008Publication date: January 14, 2010Applicant: WINBOND ELECTRONICS CORP.Inventor: Cheng-Kuang Yang