Patents by Inventor Yao Chi Peng
Yao Chi Peng 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: 11832360Abstract: A lamp device includes a controller, a plurality of light-emitting elements, a plurality of current conversion modules and an interpretation module. The controller is configured to output a dimming signal. The current conversion modules are coupled to the light-emitting elements and configured to control the light-emitting elements to emit light. The interpretation module is coupled to the current conversion modules and configured to output, according to a comparison table, a plurality of control signals corresponding to the dimming signal to the current conversion modules respectively. The light-emitting elements are different in a luminous property, and one of the current conversion modules is configured to output a feedback signal to the controller.Type: GrantFiled: October 19, 2022Date of Patent: November 28, 2023Assignee: LEOTEK CORPORATIONInventors: Wei-Ting Wu, Jhao-Tian Pan, Yao-Chi Peng, Chung-Hsiang Chang
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Patent number: 11255781Abstract: A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receiving the visible laser through an optical sensor to generate a sensed result; and calculating a visibility according to the sensed result.Type: GrantFiled: May 20, 2020Date of Patent: February 22, 2022Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Li-Ta Fan, Kuei-Ling Chen, Tsan-Li Chiu, Kuo-Hui Chang, Yao-Chi Peng
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Patent number: 11143383Abstract: The present invention discloses a light emitting device. The light emitting device includes a housing, a first light emitting module and a second light emitting module. The first light emitting module is provided with a first light emitting area and is disposed on the housing. The second light emitting module is provided with a second light emitting area and is disposed on the housing and surrounds the first light emitting module. A first luminance in the first light emitting area is higher than a second luminance in the second light emitting area, and the first luminance and the second luminance are separately controlled.Type: GrantFiled: November 10, 2020Date of Patent: October 12, 2021Inventors: Kuo-Hui Chang, Yao-Chi Peng
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Publication number: 20210207786Abstract: The present invention discloses a light emitting device. The light emitting device includes a housing, a first light emitting module and a second light emitting module. The first light emitting module is provided with a first light emitting area and is disposed on the housing. The second light emitting module is provided with a second light emitting area and is disposed on the housing and surrounds the first light emitting module. A first luminance in the first light emitting area is higher than a second luminance in the second light emitting area, and the first luminance and the second luminance are separately controlled.Type: ApplicationFiled: November 10, 2020Publication date: July 8, 2021Inventors: Kuo-Hui CHANG, Yao-Chi PENG
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Patent number: 10966301Abstract: A lighting device including a light emitting module, a light pattern determination module, and a controller is provided. The light emitting module is configured to emit an illumination light. The light pattern determination module includes a first lens and a second lens. The first lens corresponds to a first light pattern, the second lens corresponds to a second light pattern, and the first light pattern is different from the second light pattern. The controller is configured to adjust at least one of the light emitting module and the light pattern determination module, so as to control an illumination light pattern of the illumination light passed through the light pattern determination module. In addition, a lighting method of the lighting device and a lighting system using the lighting device are also provided.Type: GrantFiled: April 23, 2019Date of Patent: March 30, 2021Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Yao-Chi Peng, Kuo-Hui Chang, Ming-Hung Chien
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Publication number: 20200371024Abstract: A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receiving the visible laser through an optical sensor to generate a sensed result; and calculating a visibility according to the sensed result.Type: ApplicationFiled: May 20, 2020Publication date: November 26, 2020Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Li-Ta Fan, Kuei-Ling Chen, Tsan-Li Chiu, Kuo-Hui Chang, Yao-Chi Peng
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Publication number: 20200229277Abstract: A lighting device including a light emitting module, a light pattern determination module, and a controller is provided. The light emitting module is configured to emit an illumination light. The light pattern determination module includes a first lens and a second lens. The first lens corresponds to a first light pattern, the second lens corresponds to a second light pattern, and the first light pattern is different from the second light pattern. The controller is configured to adjust at least one of the light emitting module and the light pattern determination module, so as to control an illumination light pattern of the illumination light passed through the light pattern determination module. In addition, a lighting method of the lighting device and a lighting system using the lighting device are also provided.Type: ApplicationFiled: April 23, 2019Publication date: July 16, 2020Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Yao-Chi Peng, Kuo-Hui Chang, Ming-Hung Chien
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Patent number: 10580948Abstract: A light source module including a substrate, an LED package, an optical cover, and at least one packing layer is provided. The LED package is disposed on the substrate and includes an encapsulant. The optical cover is disposed above the LED package. The at least one packing layer is filled between the LED package and the optical cover.Type: GrantFiled: January 30, 2018Date of Patent: March 3, 2020Assignee: Lite-On Technology CorporationInventors: Yao-Chi Peng, Tsan-Li Chiu, Po-Chang Li, Ming-Hung Chien
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Patent number: 10508872Abstract: A light-emitting device including a lamp cover, a transparent front cover, a light-emitting element, a radiation layer and a reflective layer is provided. The transparent front cover and the lamp cover are combined together and form a cavity therein. The light-emitting element is disposed on the lamp cover and located within the cavity. The light-emitting element is used for emitting a light towards the transparent front cover. The radiation layer is formed on the lamp cover and the reflective layer is formed on the radiation layer.Type: GrantFiled: June 5, 2017Date of Patent: December 17, 2019Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Yao-Chi Peng, Po-Chang Li, Ming-Hung Chien
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Patent number: 10368413Abstract: A light source module including a casing, a light guide plate, at least one light emitting element, and a reflector is provided. The light guide plate includes a plate body and an optical microstructure array. The optical microstructure array is located at a top surface of the plate body and includes a plurality of microstructure units. The microstructure units are recessed from the top surface towards the bottom surface and are shaped as inverted square pyramids, and a pyramid portion of each of the inverted square pyramids is formed by at least four surfaces. Each of the microstructure units includes two opposite first surfaces and two opposite second surfaces arranged in an alternating manner. Further, in each of the microstructure units, angles included between the two first surfaces and the top surface are identical, and angles included between the two second surfaces and the top surface are identical.Type: GrantFiled: January 9, 2019Date of Patent: July 30, 2019Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Kuo-Hui Chang, Kuan-Yu Chen, Yao-Chi Peng, Ming-Hung Chien
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Patent number: 10332393Abstract: A novel emergency traffic controller for emergency vehicles and a controlling method thereof are provided. The emergency traffic controller includes an emergency controlling unit, a target redirection unit and a source selection unit. The emergency controlling unit is used for receiving an emergency message and outputting a switching signal according to the emergency message. The target redirection unit is electrically coupled to an existing traffic light controller and the emergency controlling unit. The source selection unit is electrically coupled to the traffic light controller. The target redirection unit is used for receiving a lighting signal from the existing traffic light controller through the source selection unit and working with the emergency controlling unit to transmit the lighting signal to one of a plurality of traffic light signs according to the switching signal.Type: GrantFiled: January 23, 2018Date of Patent: June 25, 2019Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Kuo-Hui Chang, Yao-Chi Peng, Po-Chang Li, Ming-Hung Chien
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Patent number: 10334693Abstract: A light source module including a light emitting element, a tunable-focal length lens and a controller is provided. The light emitting element is configured to emit a light beam. The tunable-focal length lens is disposed on a transmission path of the light beam. The controller is coupled to the tunable-focal length lens, and adjusts a characteristic of the tunable-focal length lens in a first status and a second status.Type: GrantFiled: May 14, 2018Date of Patent: June 25, 2019Assignee: Lite-On Technology CorporationInventors: Yao-Chi Peng, Po-Chang Li, Ming-Hung Chien
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Publication number: 20190004238Abstract: An optical module including a light guide plate and at least one secondary optical element is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a third surface connected between the first surface and the second surface. The at least one secondary optical element is disposed with the light guide plate and has a light entering surface and a light exit surface, wherein the light entering surface is connected to the first surface and forms a containing recess, and the light exit surface is connected to the second surface and protrudes from the second surface of the light guide plate. Besides, an illumination apparatus is also provided.Type: ApplicationFiled: March 7, 2018Publication date: January 3, 2019Applicant: Lite-On Technology CorporationInventors: Yao-Chi Peng, Kuo-Hui Chang, Po-Chang Li, Ming-Hung Chien
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Publication number: 20180376562Abstract: A light source module including a light emitting element, a tunable-focal length lens and a controller is provided. The light emitting element is configured to emit a light beam. The tunable-focal length lens is disposed on a transmission path of the light beam. The controller is coupled to the tunable-focal length lens, and adjusts a characteristic of the tunable-focal length lens in a first status and a second status.Type: ApplicationFiled: May 14, 2018Publication date: December 27, 2018Applicant: Lite-On Technology CorporationInventors: Yao-Chi Peng, Po-Chang Li, Ming-Hung Chien
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Publication number: 20180351055Abstract: A light source module including a substrate, an LED package, an optical cover, and at least one packing layer is provided. The LED package is disposed on the substrate and includes an encapsulant. The optical cover is disposed above the LED package. The at least one packing layer is filled between the LED package and the optical cover.Type: ApplicationFiled: January 30, 2018Publication date: December 6, 2018Applicant: Lite-On Technology CorporationInventors: Yao-Chi Peng, Tsan-Li Chiu, Po-Chang Li, Ming-Hung Chien
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Publication number: 20180299213Abstract: A light-emitting device including a lamp cover, a transparent front cover, a light-emitting element, a radiation layer and a reflective layer is provided. The transparent front cover and the lamp cover are combined together and form a cavity therein. The light-emitting element is disposed on the lamp cover and located within the cavity. The light-emitting element is used for emitting a light towards the transparent front cover. The radiation layer is formed on the lamp cover and the reflective layer is formed on the radiation layer.Type: ApplicationFiled: June 5, 2017Publication date: October 18, 2018Inventors: Yao-Chi Peng, Po-Chang Li, Ming-Hung Chien
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Publication number: 20180261737Abstract: A light emitting device includes a carrier, at least one light emitting diode (LED), a first filter layer and a first molding compound. The LED is disposed on and electrically connected to the carrier. The first filter layer is disposed above the LED and located on a light-emitting path of the LED. The first molding compound is located between the first filter layer and the LED, and doped with a fluorescent material. The LED is adapted to emit a first specific color light, and a first portion of the first specific color light is incident in the first molding compound and is reflected back into the first molding compound by the first filter layer. A second portion of the first specific color light is incident in the first molding compound and excites the fluorescent material to be converted into a second specific color light to penetrate the first filter layer.Type: ApplicationFiled: April 27, 2017Publication date: September 13, 2018Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Bin-Yu Wu, Yao-Chi Peng
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Patent number: 9900962Abstract: An illumination system and an illumination method thereof are provided. An environmental condition of a position of an illumination apparatus is detected, so as to produce an environmental information. A corresponding illumination result prediction model is selected according to a first environmental information. An illumination character of an illumination light is adjusted according to the illumination result prediction model and the first environmental information.Type: GrantFiled: January 12, 2017Date of Patent: February 20, 2018Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Yao-Chi Peng, Shih-Ming Huang, Chien-Lung Wang, Ming-Chun Wu, Po-Chang Li
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Patent number: 9816686Abstract: A lens, which is adapted to control distribution of light emitted by a light source, includes a curved light-projecting surface distal from the light source, and a light-incident surface opposite to the light-projecting surface. The light-incident surface includes a plurality of curved sections facing the light source, and a plurality of connecting sections. Each of the connecting sections interconnects two adjacent ones of the curved sections, and has opposite first and second connection sides that are respectively connected to the two adjacent ones of the curved sections. A distance between the first connection side and the light source is not equal to a distance between the second connection side and the light source.Type: GrantFiled: May 20, 2016Date of Patent: November 14, 2017Assignee: Lite-On Technology Corp.Inventors: Shih-Chang Wang, Wei-Wen Shih, Pin-Hao Hsu, Yao-Chi Peng
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Publication number: 20170254510Abstract: A lens, which is adapted to control distribution of light emitted by a light source, includes a curved light-projecting surface distal from the light source, and a light-incident surface opposite to the light-projecting surface. The light-incident surface includes a plurality of curved sections facing the light source, and a plurality of connecting sections. Each of the connecting sections interconnects two adjacent ones of the curved sections, and has opposite first and second connection sides that are respectively connected to the two adjacent ones of the curved sections. A distance between the first connection side and the light source is not equal to a distance between the second connection side and the light source.Type: ApplicationFiled: May 20, 2016Publication date: September 7, 2017Inventors: SHIH-CHANG WANG, WEI-WEN SHIH, PIN-HAO HSU, YAO-CHI PENG