Patents by Inventor Tzer-Perng Chen

Tzer-Perng Chen 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: 20130313594
    Abstract: An optoelectronic element includes an optoelectronic unit having a first top surface; a first metal layer on the first top surface; a first transparent structure surrounding the optoelectronic unit and exposing the first top surface; and a first contact layer on the first transparent structure, including a connective part electrically connected with the first metal layer.
    Type: Application
    Filed: May 2, 2013
    Publication date: November 28, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Cheng-Nan HAN, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
  • Patent number: 8274156
    Abstract: An optoelectronic semiconductor device includes a substrate, a semiconductor system having an active layer formed on the substrate and an electrode structure formed on the semiconductor system, wherein the layout of the electrode structure having at least a first conductivity type contact zone or a first conductivity type bonding pad, a second conductivity type bonding pad, a first conductivity type extension electrode, and a second conductivity type extension electrode wherein the first conductivity type extension electrode and the second conductivity type extension electrode have three-dimensional crossover, and partial of the first conductivity type extension electrode and the first conductivity type contact zone or the first conductivity type bonding pad are on the opposite sides of the active layer.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: September 25, 2012
    Assignee: Epistar Corporation
    Inventors: Wei-Yo Chen, Yen-Wen Chen, Chien-Yuan Wang, Min-Hsun Hsieh, Tzer-Perng Chen
  • Publication number: 20120119245
    Abstract: Disclosed is a light-emitting device comprising: a carrier comprising: a first side and a second side; a semiconductor light-emitting stack layer on the first side of the carrier, the semiconductor light-emitting stack layer comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer ; and a first electrode structure electrically coupled to the second conductivity type semiconductor layer, the first electrode structure comprising: a main electrode surrounding the semiconductor light-emitting stack layer; an extending electrode extending from the main electrode onto the second conductivity type semiconductor layer; and an electrode pad coupling to the main electrode.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 17, 2012
    Applicant: Epistar Corporation
    Inventor: Tzer-Perng CHEN
  • Publication number: 20120018745
    Abstract: An integrated lighting apparatus includes at least a lighting device, a control device comprising an integrated circuit, and a connector that is used to electrically connect the lighting device and the control device. With the combination, the integrated circuit drives the lighting device in accordance with its various designed functionality, thus expands applications of the integrated lighting apparatus.
    Type: Application
    Filed: July 20, 2011
    Publication date: January 26, 2012
    Applicant: Epistar Corporation
    Inventors: HSIN-MAO LIU, MIN-HSUN HSIEH, TZER-PERNG CHEN, MENG-YUAN HONG, CHENG NAN HAN, TSUNG-XIAN LEE, TA-CHENG HSU, CHIH-CHIANG LU
  • Publication number: 20120007135
    Abstract: An exemplary semiconductor device is provided. The semiconductor device includes a semiconductor stacked layer and a conductive structure. The conductive structure is located on the semiconductor stacked layer. The conductive structure includes a bottom portion and a top portion on opposite sides thereof. The bottom portion is in contact with the semiconductor stacked layer. A ratio of a top width of the top portion to a bottom width of the bottom portion is less than 0.7. The conductive structure can be a conductive dot structure or a conductive line structure.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 12, 2012
    Inventors: Chiu-Lin YAO, Hin-Hsun HSIEH, Tzer-Perng CHEN
  • Publication number: 20110291145
    Abstract: An optoelectronic element includes an optoelectronic unit having a first top surface, a first bottom surface opposite to the first top surface, and a lateral surface between the first top surface and the first bottom surface; a first transparent structure covering the lateral surface and exposing the first top surface of the optoelectronic unit; a first insulating layer on the first top surface and the first transparent structure; a second insulating layer on the first insulating layer; a first opening through the first insulating layer and the second insulating layer; and a first conductive layer on the second insulating layer and electrically connecting to the optoelectronic unit via the first opening.
    Type: Application
    Filed: August 9, 2011
    Publication date: December 1, 2011
    Applicant: Epistar Corporation
    Inventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
  • Patent number: 8049226
    Abstract: A light-emitting device comprises a channel structure in the semiconductor layer for connecting an electrode and an ohmic contact layer by means of a substrate transfer process including a wafer-bonding process and a substrate-lifting-off process. The channel structure is formed in the semiconductor stack for electrically connecting the ohmic contact layer and the electrode and driving the current into the light-emitting device. Thereby, a horizontal type or a vertical type of light-emitting device has a good ohmic contact and high light efficiency.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: November 1, 2011
    Assignee: Epistar Corporation
    Inventors: Jin-Ywan Lin, Tzer-Perng Chen, Pai-Hsiang Wang, Chih-Chiang Lu
  • Patent number: 8022425
    Abstract: An exemplary semiconductor device is provided. The semiconductor device includes a semiconductor stacked layer and a conductive structure. The conductive structure is located on the semiconductor stacked layer. The conductive structure includes a bottom portion and a top portion on opposite sides thereof. The bottom portion is in contact with the semiconductor stacked layer. A ratio of a top width of the top portion to a bottom width of the bottom portion is less than 0.7. The conductive structure can be a conductive dot structure or a conductive line structure.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: September 20, 2011
    Assignee: Epistar Corporation
    Inventors: Chiu-Lin Yao, Min-Hsun Hsieh, Tzer-Perng Chen
  • Publication number: 20110155231
    Abstract: The disclosure provides a multi-junction solar cell structure and the manufacturing method thereof, comprising a first photovoltaic structure and a second photovoltaic structure; wherein at least one of the first photovoltaic structure and the second photovoltaic structure comprises a discontinuous photoelectric converting structure.
    Type: Application
    Filed: December 30, 2010
    Publication date: June 30, 2011
    Inventor: Tzer-Perng Chen
  • Publication number: 20100127397
    Abstract: An optoelectronic semiconductor device includes a substrate, a semiconductor system having an active layer formed on the substrate and an electrode structure formed on the semiconductor system, wherein the layout of the electrode structure having at least a first conductivity type contact zone or a first conductivity type bonding pad, a second conductivity type bonding pad, a first conductivity type extension electrode, and a second conductivity type extension electrode wherein the first conductivity type extension electrode and the second conductivity type extension electrode have three-dimensional crossover, and partial of the first conductivity type extension electrode and the first conductivity type contact zone or the first conductivity type bonding pad are on the opposite sides of the active layer.
    Type: Application
    Filed: November 25, 2009
    Publication date: May 27, 2010
    Applicant: EPISTAR CORPORATION
    Inventors: Wei-Yo Chen, Yen-Wen Chen, Chien-Yuan Wang, Min-Hsun Hsieh, Tzer-Perng Chen
  • Publication number: 20090181480
    Abstract: A method for making an LED is proposed. First a light-emitting structure is formed on a temporary substrate, and then a heat radiating substrate is formed on the light-emitting structure. Next the temporary substrate is removed. The heat radiating substrate includes a low expansion body and a high thermal conductivity body mutually connected.
    Type: Application
    Filed: March 19, 2009
    Publication date: July 16, 2009
    Inventors: Chih-Sung Chang, Tzer-Perng Chen, Pai-Hsiang Wang
  • Publication number: 20090166666
    Abstract: An exemplary semiconductor device is provided. The semiconductor device includes a semiconductor stacked layer and a conductive structure. The conductive structure is located on the semiconductor stacked layer. The conductive structure includes a bottom portion and a top portion on opposite sides thereof. The bottom portion is in contact with the semiconductor stacked layer. A ratio of a top width of the top portion to a bottom width of the bottom portion is less than 0.7. The conductive structure can be a conductive dot structure or a conductive line structure.
    Type: Application
    Filed: December 16, 2008
    Publication date: July 2, 2009
    Applicant: EPISTAR CORPORATION
    Inventors: Chiu-Lin Yao, Min-Hsun Hsieh, Tzer-Perng Chen
  • Publication number: 20090020776
    Abstract: A light-emitting device comprises a channel structure in the semiconductor layer for connecting an electrode and an ohmic contact layer by means of a substrate transfer process including a wafer-bonding process and a substrate-lifting-off process. The channel structure is formed in the semiconductor stack for electrically connecting the ohmic contact layer and the electrode and driving the current into the light-emitting device. Thereby, a horizontal type or a vertical type of light-emitting device has a good ohmic contact and high light efficiency.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 22, 2009
    Applicant: EPISTAR CORPORATION
    Inventors: Jin-Ywan Lin, Tzer-Perng Chen, Pai-Hsiang Wang, Chih-Chiang Lu
  • Publication number: 20080057603
    Abstract: A light emitting diode (LED) and a method of making the same are disclosed. The present invention is featured in that the LED comprises a transparent heat-conductive glue, a reflective layer, and a carrier, etc, wherein the transparent heat-conductive glue is used to adhere the epitaxial structure and the carrier of the LED; the reflective layer can make the light emitted by the epitaxial structure to be reflected more efficiently; and the carrier is used to enhance the heat-dissipation effect of the LED. Moreover, the transparent heat-conductive glue and the reflective layer can be replaced with one single adhesive reflective layer having functions of adhesion and reflection simultaneously.
    Type: Application
    Filed: November 7, 2007
    Publication date: March 6, 2008
    Inventors: Pai-Hsiang Wang, Chih-Sung Chang, Tzer-Perng Chen
  • Patent number: 7335926
    Abstract: A package structure of a light emitting diode includes a substrate structure, a connection layer, and at least one conductive passage. The substrate structure sequentially includes a conduction board, an insulation layer, and a conductive layer. The insulation layer is configured to electrically insulate the conduction board from the conductive layer, and also to insulate a first portion from a second portion of the conduction board. The substrate structure has an opening to expose the conduction board. The connection layer configured to support and electrically couple to a first electrode of a light emitting diode (LED) is disposed in the opening. The connection layer is also configured to electrically couple to the conduction board and to be electrically insulated from at least one portion of the conductive layer, which is coupled to a second electrode of the LED.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: February 26, 2008
    Assignee: Epistar Corporation
    Inventors: Pai-Hsiang Wang, Chih-Sung Chang, Tzer-Perng Chen
  • Patent number: 7335522
    Abstract: A package structure of a light emitting diode includes a substrate structure, a connection layer, and at least one conductive passage. The substrate structure sequentially includes a conduction board, an insulation layer, and a conductive layer. The insulation layer is configured to electrically insulate the conduction board from the conductive layer, and also to insulate a first portion from a second portion of the conduction board. The substrate structure has an opening to expose the conduction board. The connection layer configured to support and electrically couple to a first electrode of a light emitting diode (LED) is disposed in the opening. The connection layer is also configured to electrically couple to the conduction board and to be electrically insulated from at least one portion of the conductive layer, which is coupled to a second electrode of the LED.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: February 26, 2008
    Assignee: Epistar Corporation
    Inventors: Pai-Hsiang Wang, Chih-Sung Chang, Tzer-Perng Chen
  • Publication number: 20070126016
    Abstract: A flip-chip LED including a light emitting structure, a first dielectric layer, a first metal layer, a second metal layer, and a second dielectric layer is provided. The light emitting structure includes a first conductive layer, an active layer, and a second conductive layer. The active layer is disposed on the first conductive layer, and the second conductive layer is disposed on the active layer. The first metal layer is disposed on the light emitting structure and is contact with the first conductive layer, and part of the first metal layer is disposed on the first dielectric layer. The second metal layer is disposed on the light emitting structure and is in contact with the second conductive layer, and part of the second metal layer is disposed on the first dielectric layer. The second dielectric layer is disposed on the first dielectric layer. The first conductive layer includes a rough surface so as to improve a light extraction efficiency.
    Type: Application
    Filed: February 13, 2007
    Publication date: June 7, 2007
    Applicant: EPISTAR CORPORATION
    Inventors: Tzer-Perng CHEN, Jen-Chau WU
  • Publication number: 20070034834
    Abstract: A compound represented by the following formula: SrxMyAlzSi12?zN16?zO2+z wherein, M is selected from the group consisting of rare earth elements and yttrium, x>0, y>0, x+y=2, and 0?z?5. The compound may be used as a phosphor. It emits a visible light upon being excited by a blue light and/or an ultra-violet light. When M is Eu, the compound emits a yellow-green light upon being excited by a blue light and/or an ultra-violet light.
    Type: Application
    Filed: November 7, 2005
    Publication date: February 15, 2007
    Inventors: Yu-Huan Liu, Ru-Shi Liu, Yi-Shan Lin, Chuen-Ming Gee, Ching-Jang Lin, Biing-Jyh Weng, Tzong-Liang Tsai, Tzer-Perng Chen
  • Patent number: 7067340
    Abstract: A flip-chip light emitting diode and fabricating methods are disclosed. A soft transparent adhesive layer is utilized to past a transparent conductive substrate onto a light emitting diode epitaxy structure on a substrate, and the substrate is next removed entirely. Then, a mesa-etching process is performed to form a first top surface and a second top surface on the light emitting diode epitaxy structure for respectively exposing an n-type layer and a p-type layer in the light emitting diode epitaxy structure. Next, a metal reflective layer and a barrier layer are formed on the light emitting diode epitaxy structure in turn, and electrodes are finally fabricated on the barrier layer.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: June 27, 2006
    Assignee: Epistar Corporation
    Inventors: Tzong-Liang Tsai, Chih-Sung Chang, Tzer-Perng Chen
  • Patent number: RE44429
    Abstract: This invention this invention provides a light-emitting semiconductor device having enhanced brightness, to ensure even current distribution emitted by a front contact of the light emitting diodes so as to improve the light-emitting efficiency of the active layer. This invention adopts the method to manufacture the light-emitting device, comprising the steps of: forming an active layer on a substrate; forming a capping layer on the active layer to enhance current distribution, where a back contact is located on another side of the substrate and a front contact is located above the capping layer. This invention is characterized by: re-designing the front contact, by reducing the width of a metallic pattern constructing fingers or Mesh lines and increasing the number of the fingers or Mesh lines, so as to resolve the current crowding problem.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: August 13, 2013
    Assignee: Epistar Corporation
    Inventors: Wei-En Chien, Chih-Sung Chang, Tzer-Perng Chen, Pai-Hsiang Wang