Patents by Inventor Fang-Chang Liu

Fang-Chang Liu 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).

  • Publication number: 20110291132
    Abstract: A light-emitting device (LED) is disclosed. The LED includes a carrier substrate having a blue light emitter thereon. A layer containing a fluorescent material is on the blue light emitter. An encapsulant is disposed around the blue light emitter. Pigments are suspended between an outer surface of the encapsulant and the blue light emitter.
    Type: Application
    Filed: May 28, 2010
    Publication date: December 1, 2011
    Inventors: Fang-Chang LIU, Kuan-Ping Lee
  • Patent number: 7833810
    Abstract: Isolation structure for CMOS image sensor device chip scale packages and fabrication methods thereof. A CMOS image sensor chip scale package includes a transparent substrate configured as a support structure for the package. The transparent substrate includes a first cutting edge and a second cutting edge. A CMOS image sensor die with a die circuitry is mounted on the transparent substrate. An encapsulant is disposed on the substrate encapsulating the CMOS image sensor die. A connection extends from the die circuitry to a plurality of terminal contacts for the package on the encapsulant, wherein the connection is exposed by the first cutting edge. An isolation structure is disposed on the first cutting edge passivating the exposed connection and co-planed with the second cutting edge.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: November 16, 2010
    Assignee: VisEra Technologies Company Limited
    Inventors: Tzu-Han Lin, Tzy-Ying Lin, Fang-Chang Liu, Kai-Chih Wang
  • Patent number: 7824964
    Abstract: A package structure for an optoelectronic device. The package structure comprises a device chip reversely disposed on a first substrate, which comprises a second substrate and a first dielectric layer between the first and second substrates. The first dielectric layer comprises a pad formed in a corner of the first dielectric layer non-overlapping the second substrate, such that the surface and sidewall of the pad are exposed. A metal layer is formed directly on the exposed surface of the pad and covers the second substrate. A protective layer covers the metal layer, having an opening to expose a portion of the metal layer on the second substrate. A solder ball is disposed in the opening, electrically connecting to the metal layer. The invention also discloses a method for fabricating the same.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: November 2, 2010
    Assignee: VisEra Technologies Company Limited
    Inventors: Kai-Chih Wang, Fang-Chang Liu
  • Publication number: 20100127408
    Abstract: A bonding pad structure for an optoelectronic device. The bonding pad structure comprises a carrier substrate having a bonding pad region and an optoelectronic device region. An insulating layer is disposed on the carrier substrate, having an opening corresponding to the bonding pad region. A bonding pad is embedded in the insulating layer under the opening to expose the top surface thereof. A device substrate is disposed on the insulating layer corresponding to the optoelectronic device region. A cap layer covers the device substrate and the insulating layer excluding the opening. A conductive buffer layer is disposed in the opening to directly contact the bonding pad. The invention also discloses a method for fabricating the same.
    Type: Application
    Filed: January 28, 2010
    Publication date: May 27, 2010
    Inventors: Kai-Chih WANG, Fang-Chang Liu
  • Patent number: 7679187
    Abstract: A bonding pad structure for an optoelectronic device. The bonding pad structure comprises a carrier substrate having a bonding pad region and an optoelectronic device region. An insulating layer is disposed on the carrier substrate, having an opening corresponding to the bonding pad region. A bonding pad is embedded in the insulating layer under the opening to expose the top surface thereof. A device substrate is disposed on the insulating layer corresponding to the optoelectronic device region. A cap layer covers the device substrate and the insulating layer excluding the opening. A conductive buffer layer is disposed in the opening to directly contact the bonding pad. The invention also discloses a method for fabricating the same.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: March 16, 2010
    Assignee: VisEra Technologies Company Limited
    Inventors: Kai-Chih Wang, Fang-Chang Liu
  • Publication number: 20090263927
    Abstract: Isolation structure for CMOS image sensor device chip scale packages and fabrication methods thereof. A CMOS image sensor chip scale package includes a transparent substrate configured as a support structure for the package. The transparent substrate includes a first cutting edge and a second cutting edge. A CMOS image sensor die with a die circuitry is mounted on the transparent substrate. An encapsulant is disposed on the substrate encapsulating the CMOS image sensor die. A connection extends from the die circuitry to a plurality of terminal contacts for the package on the encapsulant, wherein the connection is exposed by the first cutting edge. An isolation structure is disposed on the first cutting edge passivating the exposed connection and co-planed with the second cutting edge.
    Type: Application
    Filed: June 29, 2009
    Publication date: October 22, 2009
    Applicant: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Tzu-Han LIN, Tzy-Ying LIN, Fang-Chang LIU, Kai-Chih WANG
  • Patent number: 7569409
    Abstract: Isolation structure for CMOS image sensor device chip scale packages and fabrication methods thereof. A CMOS image sensor chip scale package includes a transparent substrate configured as a support structure for the package. The transparent substrate includes a first cutting edge and a second cutting edge. A CMOS image sensor die with a die circuitry is mounted on the transparent substrate. An encapsulant is disposed on the substrate encapsulating the CMOS image sensor die. A connection extends from the die circuitry to a plurality of terminal contacts for the package on the encapsulant, wherein the connection is exposed by the first cutting edge. An isolation structure is disposed on the first cutting edge passivating the exposed connection and co-planed with the second cutting edge.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: August 4, 2009
    Assignee: VisEra Technologies Company Limited
    Inventors: Tzu-Han Lin, Tzy-Ying Lin, Fang-Chang Liu, Kai-Chih Wang
  • Patent number: 7566944
    Abstract: A package structure for an optoelectronic device. The package structure comprises a device chip reversely disposed on a first substrate, which comprises a second substrate and a first dielectric layer between the first and second substrates. The first dielectric layer comprises a pad formed in a corner of the first dielectric layer non-overlapping the second substrate, such that the surface and sidewall of the pad are exposed. A metal layer is formed directly on the exposed surface of the pad and covers the second substrate. A protective layer covers the metal layer, having an opening to expose a portion of the metal layer on the second substrate. A solder ball is disposed in the opening, electrically connecting to the metal layer. The invention also discloses a method for fabricating the same.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: July 28, 2009
    Assignee: VisEra Technologies Company Limited
    Inventors: Kai-Chih Wang, Fang-Chang Liu
  • Publication number: 20090186449
    Abstract: A package structure for an optoelectronic device. The package structure comprises a device chip reversely disposed on a first substrate, which comprises a second substrate and a first dielectric layer between the first and second substrates. The first dielectric layer comprises a pad formed in a corner of the first dielectric layer non-overlapping the second substrate, such that the surface and sidewall of the pad are exposed. A metal layer is formed directly on the exposed surface of the pad and covers the second substrate. A protective layer covers the metal layer, having an opening to expose a portion of the metal layer on the second substrate. A solder ball is disposed in the opening, electrically connecting to the metal layer. The invention also discloses a method for fabricating the same.
    Type: Application
    Filed: March 27, 2009
    Publication date: July 23, 2009
    Inventors: Kai-Chih WANG, Fang-Chang Liu
  • Publication number: 20090026562
    Abstract: A package structure for an optoelectronic device. The package structure comprises a device chip interposed between a lower transparent substrate and an upper transparent substrate. The device chip comprises a semiconductor substrate comprising a device region surrounded by a pad region, in which the pad region comprises a plurality of notches along the edges of the semiconductor substrate. A dielectric layer is between the semiconductor substrate and the upper transparent substrate, comprising a plurality of pads formed therein and substantially aligned with the plurality of notches, respectively. A plurality of metal lines is disposed under a bottom surface of the lower transparent substrate. A plurality of solder balls disposed under the plurality of metal lines, respectively.
    Type: Application
    Filed: July 26, 2007
    Publication date: January 29, 2009
    Inventors: Kai-Chih Wang, Fang-Chang Liu, I-Pang Chou
  • Publication number: 20080169117
    Abstract: A bonding pad structure for an optoelectronic device. The bonding pad structure comprises a carrier substrate having a bonding pad region and an optoelectronic device region. An insulating layer is disposed on the carrier substrate, having an opening corresponding to the bonding pad region. A bonding pad is embedded in the insulating layer under the opening to expose the top surface thereof. A device substrate is disposed on the insulating layer corresponding to the optoelectronic device region. A cap layer covers the device substrate and the insulating layer excluding the opening. A conductive buffer layer is disposed in the opening to directly contact the bonding pad. The invention also discloses a method for fabricating the same.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 17, 2008
    Inventors: Kai-Chih Wang, Fang-Chang Liu
  • Publication number: 20080169477
    Abstract: A package structure for an optoelectronic device. The package structure comprises a device chip reversely disposed on a first substrate, which comprises a second substrate and a first dielectric layer between the first and second substrates. The first dielectric layer comprises a pad formed in a corner of the first dielectric layer non-overlapping the second substrate, such that the surface and sidewall of the pad are exposed. A metal layer is formed directly on the exposed surface of the pad and covers the second substrate. A protective layer covers the metal layer, having an opening to expose a portion of the metal layer on the second substrate. A solder ball is disposed in the opening, electrically connecting to the metal layer. The invention also discloses a method for fabricating the same.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 17, 2008
    Inventors: Kai-Chih Wang, Fang-Chang Liu
  • Publication number: 20080164553
    Abstract: Isolation structure for CMOS image sensor device chip scale packages and fabrication methods thereof. A CMOS image sensor chip scale package includes a transparent substrate configured as a support structure for the package. The transparent substrate includes a first cutting edge and a second cutting edge. A CMOS image sensor die with a die circuitry is mounted on the transparent substrate. An encapsulant is disposed on the substrate encapsulating the CMOS image sensor die. A connection extends from the die circuitry to a plurality of terminal contacts for the package on the encapsulant, wherein the connection is exposed by the first cutting edge. An isolation structure is disposed on the first cutting edge passivating the exposed connection and co-planed with the second cutting edge.
    Type: Application
    Filed: January 4, 2007
    Publication date: July 10, 2008
    Inventors: Tzu-Han Lin, Tzy-Ying Lin, Fang-Chang Liu, Kai-Chih Wang
  • Publication number: 20070092375
    Abstract: The circumferential air conditioning fan includes a housing, centrifugal fan, and a drive motor. The housing has a containing space, and one end of the containing space has an air inlet, and the side of the containing space has a circumferential air outlet. A centrifugal fan is placed in the containing space that can be driven by drive motor, and the centrifugal fan has rotary diversion component. The first end is corresponding with the air inlet, and the second end is corresponding with the circumferential air outlet. A centrifugal fan is placed in the containing space that circulates airflow in the directions of circumferential air outlet. The circumferential air conditioning fan disclosed in the present invention can receive circumferential airflow in the circular direction, and further improve the quality of air and degree of comfort.
    Type: Application
    Filed: October 21, 2005
    Publication date: April 26, 2007
    Applicant: King Jih Enterprise Corp.
    Inventor: Fang-Chang Liu
  • Publication number: 20060289733
    Abstract: An image sensor module includes an image-sensing unit having a first surface, a second surface and a plurality of first conductive contacts arranged at the second surface, a signal processing unit mounted on the first surface of the image-sensing unit and provided with a plurality of second conductive contacts respectively electrically connected to the first conductive contacts of the image-sensing unit, a plurality of solder balls respectively electrically connected to the second conductive contacts of the signal processing unit for mounting in an external circuit board, and a lens set mounted on the second surface of the image-sensing unit and covering the first conductive contacts of the image-sensing unit.
    Type: Application
    Filed: September 15, 2005
    Publication date: December 28, 2006
    Applicant: VISERA TECHNOLOGIES, COMPANY LTD.
    Inventors: Peter Zung, Tzu-Han Lin, Fang-Chang Liu
  • Patent number: 6194288
    Abstract: A method whereby the region where the field oxide has to be grown is defined with a layer of photoresist. The present invention teaches the implantation of N2 into the layer of silicon dioxide (SiO2) that is not covered by the layer of photoresist. The photoresist is removed and the field oxide (FOX) is grown in the areas from where the photoresist has been removed.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: February 27, 2001
    Assignee: Taiwan Semiconductor Manufacturing Company
    Inventors: Fu-Jier Fahn, Fang-Chang Liu