Patents by Inventor Cheng-Hong Su
Cheng-Hong Su 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: 12194917Abstract: A light-emitting device is provided. The light-emitting device includes a light-emitting diode, a reflective structure, and a package structure. The reflective structure includes a bottom surface and a lateral part. The light-emitting diode is disposed on the bottom surface. The lateral part is disposed surrounding the bottom surface and disposed on the bottom surface. The package structure is configured to package the light-emitting diode and the reflective structure. The package structure includes a first package part and a second package part. The first package part has a phosphorescent powder. An interface is between the first package part and the second package part. The interface is disposed below a top surface of the lateral part.Type: GrantFiled: January 20, 2022Date of Patent: January 14, 2025Assignee: Lite-On Technology CorporationInventors: Cheng-Han Wang, Cheng-Hong Su, Chih-Li Yu
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Publication number: 20240162396Abstract: A light-emitting package includes a light-transmitting carrier and a light-emitting element. The light-transmitting carrier has a carrying surface, and the light-transmitting carrier contains a base resin and a first phosphorescent powder. The light-emitting element is disposed on the carrying surface. A light-emitting module that contains a phosphorescent powder is also provided.Type: ApplicationFiled: November 14, 2023Publication date: May 16, 2024Inventors: CHENG-HONG SU, CHIH-LI YU, CHENG-HAN WANG
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Patent number: 11774691Abstract: A light-emitting device and a light emitting module are provided. The light emitting module includes a housing, at least one light guide element, and at least one light emitting element. The housing includes at least one passage passing through its a first surface and a second surface, and a coupling portion formed on an inner surface adjacent to the second surface. The light guide element arranged in the at least one passage has a light emergent surface exposed at one end of the at least one passage and a light incident surface exposed at the other end of the at least one passage. The light emitting element is coupled to the housing by the coupling portion. The light emitting element includes a light emitting surface facing to the light incident surface of the light guide element and a soldering portion exposed from the housing.Type: GrantFiled: May 18, 2021Date of Patent: October 3, 2023Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATIONInventors: Cheng-Han Wang, Szu-Tsung Kao, Chih-Li Yu, Cheng-Hong Su, Chun-Wei Huang, Chen-Hsiu Lin
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Publication number: 20220404548Abstract: A package structure is provided. The package structure includes at least one optoelectronic device, a lead frame, and an encapsulant. The optoelectronic device is disposed on the lead frame. The lead frame includes at least one lead unit that includes a first lead and a second lead. The first lead has a first bonding part and a first pin. The first bonding part has a first inclined sidewall at an upper end of one side away from the second lead. The second lead has a second pin and a carrying part, of which an upper end has a die-attaching region for carrying the optoelectronic device. The encapsulant covers at least the optoelectronic device, the first bonding part, and the carrying part.Type: ApplicationFiled: June 15, 2022Publication date: December 22, 2022Inventors: CHENG-HAN WANG, CHENG-HONG SU, CHIH-LI YU
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Publication number: 20220246795Abstract: A light-emitting device is provided. The light-emitting device includes a light-emitting diode, a reflective structure, and a package structure. The reflective structure includes a bottom surface and a lateral part. The light-emitting diode is disposed on the bottom surface. The lateral part is disposed surrounding the bottom surface and disposed on the bottom surface. The package structure is configured to package the light-emitting diode and the reflective structure. The package structure includes a first package part and a second package part. The first package part has a phosphorescent powder. An interface is between the first package part and the second package part. The interface is disposed below a top surface of the lateral part.Type: ApplicationFiled: January 20, 2022Publication date: August 4, 2022Applicant: Lite-On Technology CorporationInventors: Cheng-Han Wang, Cheng-Hong Su, Chih-Li Yu
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Publication number: 20210364687Abstract: A light-emitting device and a light emitting module are provided. The light emitting module includes a housing, at least one light guide element, and at least one light emitting element. The housing includes at least one passage passing through its a first surface and a second surface, and a coupling portion formed on an inner surface adjacent to the second surface. The light guide element arranged in the at least one passage has a light emergent surface exposed at one end of the at least one passage and a light incident surface exposed at the other end of the at least one passage. The light emitting element is coupled to the housing by the coupling portion. The light emitting element includes a light emitting surface facing to the light incident surface of the light guide element and a soldering portion exposed from the housing.Type: ApplicationFiled: May 18, 2021Publication date: November 25, 2021Inventors: CHENG-HAN WANG, SZU-TSUNG KAO, CHIH-LI YU, CHENG-HONG SU, CHUN-WEI HUANG, CHEN-HSIU LIN
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Patent number: 8853837Abstract: An optoisolator leadframe assembly includes: an emitter leadframe part including a first rail and a plurality of emitter leadframe units, each rail including two rows of emitter leadframes, each having a die-mounting pad; and a receiver leadframe part including a second rail and a plurality of receiver leadframe units, each including two rows of receiver leadframes, each having a die-mounting pad. The die-mounting pads of the emitter leadframes of each row of each of the emitter leadframe units are respectively aligned with and spaced apart from the die-mounting pads of the receiver leadframes of an adjacent row of an adjacent one of the receiver leadframe units. Each of the emitter and receiver leadframe parts is a single piece.Type: GrantFiled: March 4, 2013Date of Patent: October 7, 2014Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corp.Inventors: Cheng-Hong Su, Chih-Hung Tzeng
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Publication number: 20130175679Abstract: An optoisolator leadframe assembly includes: an emitter leadframe part including a first rail and a plurality of emitter leadframe units, each rail including two rows of emitter leadframes, each having a die-mounting pad; and a receiver leadframe part including a second rail and a plurality of receiver leadframe units, each including two rows of receiver leadframes, each having a die-mounting pad. The die-mounting pads of the emitter leadframes of each row of each of the emitter leadframe units are respectively aligned with and spaced apart from the die-mounting pads of the receiver leadframes of an adjacent row of an adjacent one of the receiver leadframe units. Each of the emitter and receiver leadframe parts is a single piece.Type: ApplicationFiled: March 4, 2013Publication date: July 11, 2013Inventors: CHENG-HONG SU, CHIH-HUNG TZENG
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Patent number: 8390102Abstract: An optoisolator leadframe assembly includes: an emitter leadframe part including a first rail and a plurality of emitter leadframe units, each rail including two rows of emitter leadframes, each having a die-mounting pad; and a receiver leadframe part including a second rail and a plurality of receiver leadframe units, each including two rows of receiver leadframes, each having a die-mounting pad. The die-mounting pads of the emitter leadframes of each row of each of the emitter leadframe units are respectively aligned with and spaced apart from the die-mounting pads of the receiver leadframes of an adjacent row of an adjacent one of the receiver leadframe units. Each of the emitter and receiver leadframe parts is a single piece.Type: GrantFiled: May 21, 2008Date of Patent: March 5, 2013Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology Corp.Inventors: Cheng-Hong Su, Chih-Hung Tzeng
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Patent number: 7815836Abstract: A packaging apparatus for optical-semiconductors includes a mold base having a longitudinal receiving space, an encapsulating module attached to the mold base, and a fixing member attached to the encapsulating module. The bottom of the mold base has at least one air-vent and the mold base has a predetermined width. The encapsulating module includes a plate engaged with the mold base, a plurality of molding bodies penetrating the plate and received in the receiving space, and a plurality of supporting members connected to the molding bodies. The fixing member has a plurality of holding slots to hold the supporting members so that the supporting members are more stable. Furthermore, the width of the mold base is optimized with the dimension of a furnace so that the production rate is increased and the stability of the packaging structure is improved.Type: GrantFiled: June 2, 2008Date of Patent: October 19, 2010Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology CorporationInventor: Cheng-Hong Su
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Patent number: 7688599Abstract: A lead frame module integrally formed from a single thin metal sheet includes: parallel first and second rails extending in a first direction; and first and second lead frame sets connected to the first and second rails, respectively. The first and second lead frame sets respectively include a plurality of lead frames extending in a second direction perpendicular to the first direction. Each of the lead frames of the first and second lead frame sets has a pair of connecting leads and a pair of packaging leads. Each of the packaging leads is connected to a respective one of the connecting leads. The connecting leads of the lead frames of the first lead frame set are interdigitated with and are connected to the connecting leads of the lead frames of the second lead frame set.Type: GrantFiled: August 26, 2008Date of Patent: March 30, 2010Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology Corp.Inventor: Cheng-Hong Su
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Publication number: 20090244875Abstract: A lead frame module integrally formed from a single thin metal sheet includes: parallel first and second rails extending in a first direction; and first and second lead frame sets connected to the first and second rails, respectively. The first and second lead frame sets respectively include a plurality of lead frames extending in a second direction perpendicular to the first direction. Each of the lead frames of the first and second lead frame sets has a pair of connecting leads and a pair of packaging leads. Each of the packaging leads is connected to a respective one of the connecting leads. The connecting leads of the lead frames of the first lead frame set are interdigitated with and are connected to the connecting leads of the lead frames of the second lead frame set.Type: ApplicationFiled: August 26, 2008Publication date: October 1, 2009Inventor: Cheng-Hong Su
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Publication number: 20090230421Abstract: A light emitting diode package structure, and a lead frame and a conductive assembly for the same are described. The light emitting diode package structure includes a conductive assembly, a semiconductor chip, and a package body. The conductive assembly includes a chip support and a bonding support. The chip support has a carrier surface, and the bonding support has at least one wiring portion surrounding the carrier surface. The semiconductor chip is disposed on the carrier surface and electrically connected to the wiring portion through a wire. The n, the package is used to encapsulate the semiconductor chip, the wire, the carrier surface, and the wiring portion so as to form a light emitting diode package structure.Type: ApplicationFiled: June 17, 2008Publication date: September 17, 2009Inventor: Cheng-Hong Su
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Publication number: 20090152002Abstract: An optoisolator leadframe assembly includes: an emitter leadframe part including a first rail and a plurality of emitter leadframe units, each rail including two rows of emitter leadframes, each having a die-mounting pad; and a receiver leadframe part including a second rail and a plurality of receiver leadframe units, each including two rows of receiver leadframes, each having a die-mounting pad. The die-mounting pads of the emitter leadframes of each row of each of the emitter leadframe units are respectively aligned with and spaced apart from the die-mounting pads of the receiver leadframes of an adjacent row of an adjacent one of the receiver leadframe units. Each of the emitter and receiver leadframe parts is a single piece.Type: ApplicationFiled: May 21, 2008Publication date: June 18, 2009Inventors: Cheng-Hong Su, Chih-Hung Tzeng
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Publication number: 20090152712Abstract: A packaging apparatus for optical-semiconductors includes a mold base having a longitudinal receiving space, an encapsulating module attached to the mold base, and a fixing member attached to the encapsulating module. The bottom of the mold base has at least one air-vent and the mold base has a predetermined width. The encapsulating module includes a plate engaged with the mold base, a plurality of molding bodies penetrating the plate and received in the receiving space, and a plurality of supporting members connected to the molding bodies. The fixing member has a plurality of holding slots to hold the supporting members so that the supporting members are more stable. Furthermore, the width of the mold base is optimized with the dimension of a furnace so that the production rate is increased and the stability of the packaging structure is improved.Type: ApplicationFiled: June 2, 2008Publication date: June 18, 2009Inventor: Cheng-Hong Su
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Patent number: 7209226Abstract: A gravity sensor has a photo interrupter and a gravity wheel. The photo interrupter has a housing, a cavity in the housing, a light emitter on one side of the housing and a light detector on the other side of the housing. The gravity wheel points in a direction of gravity and has a pivot at center thereof and pivotally arranged on the housing, a plumb at one edge of the gravity wheel and a plurality of through holes annularly arranged in the gravity wheel. The gravity wheel has a portion present in the cavity. An inclined angle of a test object is determined by calculating relative movement between the photo interrupter and the gravity wheel.Type: GrantFiled: June 7, 2004Date of Patent: April 24, 2007Assignee: Lite-On Technology CorporationInventors: Cheng-Fang Chen, Cheng-Hong Su
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Publication number: 20050270520Abstract: A gravity sensor has a photo interrupter and a gravity wheel. The photo interrupter has a housing, a cavity in the housing, a light emitter on one side of the housing and a light detector on the other side of the housing. The gravity wheel points in a direction of gravity and has a pivot at center thereof and pivotally arranged on the housing, a plumb at one edge of the gravity wheel and a plurality of through holes annularly arranged in the gravity wheel. The gravity wheel has a portion present in the cavity. An inclined angle of a test object is determined by calculating relative movement between the photo interrupter and the gravity wheel.Type: ApplicationFiled: June 7, 2004Publication date: December 8, 2005Inventors: Cheng-Fang Chen, Cheng-Hong Su