Patents by Inventor Siang-Fu Hong
Siang-Fu Hong 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: 11898075Abstract: A yellow light emitting device may have a light source and a color converter wherein at most 1% of the total emitted radiant power of the yellow light emitting device is emitted in a wavelength range shorter than 520 nm, as well as the use of the yellow light emitting device.Type: GrantFiled: March 19, 2019Date of Patent: February 13, 2024Inventors: Hannah Stephanie Mangold, Sorin Ivanovici, Martin Koenemann, Siang Fu Hong, Chia Wei Tsai, Yen Te Lee, Wei Cheng Chou
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Patent number: 11808436Abstract: A light emitting apparatus, including: a first light emitting device with a first substrate having a first upper surface and first bottom surface, a plurality of first LED chips disposed on the first upper surface, emitting a light penetrating the first substrate, and a first wavelength conversion layer directly contacting the plurality of first LED chips and first upper surface, and a first shape in a cross-sectional view; a second wavelength conversion layer directly contacting the first bottom surface; a second shape in the cross-sectional view substantially the same as the first shape; a second light emitting device separated from the first light emitting device, including a second substrate and plurality of second LEDs disposed on the second substrate; a support base connected to the first light emitting device by a first angle and connected to the second light emitting device by a second angle; and a first support arranged between the support base and first light emitting device.Type: GrantFiled: February 21, 2022Date of Patent: November 7, 2023Assignee: EPISTAR CORPORATIONInventors: 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: 20220178527Abstract: A light emitting apparatus, including: a first light emitting device with a first substrate having a first upper surface and first bottom surface, a plurality of first LED chips disposed on the first upper surface, emitting a light penetrating the first substrate, and a first wavelength conversion layer directly contacting the plurality of first LED chips and first upper surface, and a first shape in a cross-sectional view; a second wavelength conversion layer directly contacting the first bottom surface; a second shape in the cross-sectional view substantially the same as the first shape; a second light emitting device separated from the first light emitting device, including a second substrate and plurality of second LEDs disposed on the second substrate; a support base connected to the first light emitting device by a first angle and connected to the second light emitting device by a second angle; and a first support arranged between the support base and first light emitting device.Type: ApplicationFiled: February 21, 2022Publication date: June 9, 2022Inventors: 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: 11255524Abstract: A light-emitting device including a substrate with a top surface and a bottom surface opposite to the top surface and a plurality of LED chips disposed on the top surface and configured to generate a top light visible above the top surface and a bottom light visible beneath the bottom surface, each LED chip comprising a plurality of light-emitting surfaces. The substrate has a thickness greater than 200 ?m and comprises aluminum oxide, sapphire, glass, plastic, or rubber. The plurality of LED chips has an incident light with a wavelength of 420-470 nm. The top light and the bottom light have a color temperature difference of not greater than 1500K.Type: GrantFiled: May 29, 2020Date of Patent: February 22, 2022Assignee: EPISTAR CORPORATIONInventors: 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: 20210054268Abstract: A yellow light emitting device may have a light source and a color converter wherein at most 1% of the total emitted radiant power of the yellow light emitting device is emitted in a wavelength range shorter than 520 nm, as well as the use of the yellow light emitting device.Type: ApplicationFiled: March 19, 2019Publication date: February 25, 2021Applicants: BASF SE, BASF Taiwan Ltd.Inventors: Hannah Stephanie MANGOLD, Sorin IVANOVICI, Martin KOENEMANN, Siang Fu HONG, Chia Wei TSAI, Yen Te LEE, Wei Cheng CHOU
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Publication number: 20200292157Abstract: A light-emitting device including a substrate with a top surface and a bottom surface opposite to the top surface and a plurality of LED chips disposed on the top surface and configured to generate a top light visible above the top surface and a bottom light visible beneath the bottom surface, each LED chip comprising a plurality of light-emitting surfaces. The substrate has a thickness greater than 200 ?m and comprises aluminum oxide, sapphire, glass, plastic, or rubber. The plurality of LED chips has an incident light with a wavelength of 420-470 nm. The top light and the bottom light have a color temperature difference of not greater than 1500K.Type: ApplicationFiled: May 29, 2020Publication date: September 17, 2020Inventors: 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: 10670244Abstract: 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 26, 2019Date of Patent: June 2, 2020Assignee: EPISTAR CORPORATIONInventors: 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: 20190219252Abstract: 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 26, 2019Publication date: July 18, 2019Inventors: 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: 10247395Abstract: 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: July 28, 2017Date of Patent: April 2, 2019Assignee: EPISTAR CORPORATIONInventors: 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: 20170330868Abstract: 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: July 28, 2017Publication date: November 16, 2017Inventors: 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: 9741699Abstract: 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: October 19, 2015Date of Patent: August 22, 2017Assignee: EPISTAR CORPORATIONInventors: 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: 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: 20140146381Abstract: The present invention relates to an optically variable thin film with electrochemical capacitance property, comprising electrochromic particles embedded with transparent gel-type electrochemical-capacitor material; the present invention also provides a product with a discoloration appearance, comprising an optically variable thin film of the present invention.Type: ApplicationFiled: May 22, 2013Publication date: May 29, 2014Applicant: National Taiwan UniversityInventors: Lin-Chi Chen, Tzu-Chieh Liao, Siang-Fu Hong, Chia-Hao Chang
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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: 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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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