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).

  • Patent number: 11774691
    Abstract: 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: Grant
    Filed: May 18, 2021
    Date of Patent: October 3, 2023
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: Cheng-Han Wang, Szu-Tsung Kao, Chih-Li Yu, Cheng-Hong Su, Chun-Wei Huang, Chen-Hsiu Lin
  • Publication number: 20220404548
    Abstract: 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: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Inventors: CHENG-HAN WANG, CHENG-HONG SU, CHIH-LI YU
  • Publication number: 20220246795
    Abstract: 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: Application
    Filed: January 20, 2022
    Publication date: August 4, 2022
    Applicant: Lite-On Technology Corporation
    Inventors: Cheng-Han Wang, Cheng-Hong Su, Chih-Li Yu
  • Publication number: 20210364687
    Abstract: 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: Application
    Filed: May 18, 2021
    Publication date: November 25, 2021
    Inventors: CHENG-HAN WANG, SZU-TSUNG KAO, CHIH-LI YU, CHENG-HONG SU, CHUN-WEI HUANG, CHEN-HSIU LIN
  • Patent number: 8853837
    Abstract: 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: Grant
    Filed: March 4, 2013
    Date of Patent: October 7, 2014
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corp.
    Inventors: Cheng-Hong Su, Chih-Hung Tzeng
  • Publication number: 20130175679
    Abstract: 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: Application
    Filed: March 4, 2013
    Publication date: July 11, 2013
    Inventors: CHENG-HONG SU, CHIH-HUNG TZENG
  • Patent number: 8390102
    Abstract: 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: Grant
    Filed: May 21, 2008
    Date of Patent: March 5, 2013
    Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology Corp.
    Inventors: Cheng-Hong Su, Chih-Hung Tzeng
  • Patent number: 7815836
    Abstract: 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: Grant
    Filed: June 2, 2008
    Date of Patent: October 19, 2010
    Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology Corporation
    Inventor: Cheng-Hong Su
  • Patent number: 7688599
    Abstract: 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: Grant
    Filed: August 26, 2008
    Date of Patent: March 30, 2010
    Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology Corp.
    Inventor: Cheng-Hong Su
  • Publication number: 20090244875
    Abstract: 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: Application
    Filed: August 26, 2008
    Publication date: October 1, 2009
    Inventor: Cheng-Hong Su
  • Publication number: 20090230421
    Abstract: 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: Application
    Filed: June 17, 2008
    Publication date: September 17, 2009
    Inventor: Cheng-Hong Su
  • Publication number: 20090152002
    Abstract: 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: Application
    Filed: May 21, 2008
    Publication date: June 18, 2009
    Inventors: Cheng-Hong Su, Chih-Hung Tzeng
  • Publication number: 20090152712
    Abstract: 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: Application
    Filed: June 2, 2008
    Publication date: June 18, 2009
    Inventor: Cheng-Hong Su
  • Patent number: 7209226
    Abstract: 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: Grant
    Filed: June 7, 2004
    Date of Patent: April 24, 2007
    Assignee: Lite-On Technology Corporation
    Inventors: Cheng-Fang Chen, Cheng-Hong Su
  • Publication number: 20050270520
    Abstract: 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: Application
    Filed: June 7, 2004
    Publication date: December 8, 2005
    Inventors: Cheng-Fang Chen, Cheng-Hong Su