Patents by Inventor Chun-Ta YU

Chun-Ta YU 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: 9525104
    Abstract: This application discloses a light-emitting diode comprising a first semiconductor layer, an active layer on the first semiconductor layer, a second semiconductor layer on the active layer, and a semiconductor contact layer on the second semiconductor layer. The second semiconductor layer comprises a first sub-layer and a second sub-layer formed above the first sub-layer, wherein the material of the second sub-layer comprises AlxGa1-xN (0<x<1) and the second sub-layer has a surface comprising a structure of irregularly distributed holes.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: December 20, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Yu-Yao Lin, Tsun-Kai Ko, Chien-Yuan Tseng, Yen-Chih Chen, Chun-Ta Yu, Shih-Chun Ling, Cheng-Hsiung Yen, Hsin-Hsien Wu
  • Patent number: 9087946
    Abstract: A light-emitting device comprises a first type semiconductor layer, a multi-quantum well structure on the first type semiconductor layer, and a second type semiconductor layer on the multi-quantum well structure, wherein the multi-quantum well structure comprises a first portion near the first type semiconductor layer, a second portion near the second type semiconductor layer, and a strain releasing layer between the first portion and the second portion and comprising a first layer including Indium, a second layer including Aluminum on the first layer, and a third layer including Indium on the second layer, wherein the Indium concentration of the third layer is higher than that of the first layer.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: July 21, 2015
    Assignee: Epistar Corporation
    Inventors: Yu-Yao Lin, Yen-Chih Chen, Chien-Yuan Tseng, Tsun-Kai Ko, Chun-Ta Yu, Shih-Chun Ling, Cheng-Hsiung Yen, Hsin-Hsien Wu
  • Patent number: 9026582
    Abstract: Device management methods and related apparatus are provided. A command is received and executed. When the command is not executed successfully, a status message comprising a first status code is generated. When the command is executed successfully, the status message comprising a second status code and an actual execution state is generated wherein the first status code is different from the second status code.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: May 5, 2015
    Assignee: HTC Corporation
    Inventor: Chun-Ta Yu
  • Patent number: 8966031
    Abstract: A method for addressing a management object in a management tree of a device management (DM) client and an associated DM system are disclosed to solve the issues encountered in the relative universal resource identifier (URI) addressing of the OMA DM protocol. The method comprises receiving a relative URI including a first part from a DM server, and identifying a root node of the management object according to the first part. The first part comprises a URI parameter for specifying a root node of a sub-tree of the management tree for finding the management object, a management object identifier, and a plurality of attribute conditions for specifying values of a plurality of leaf nodes directly under the root node of the management object.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: February 24, 2015
    Assignee: HTC Corporation
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Patent number: 8943125
    Abstract: A method of handling a step execution result in software and application control management object (SACMO) for a client of a service system supporting Open Mobile Alliance (OMA) device management (DM) is disclosed. The method comprises handling an execution result of a step in software and application control management object for a service system.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: January 27, 2015
    Assignee: HTC Corporation
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Publication number: 20140280858
    Abstract: A method for addressing a management object in a management tree of a device management (DM) client and an associated DM system are disclosed to solve the issues encountered in the relative universal resource identifier (URI) addressing of the OMA DM protocol. The method comprises receiving a relative URI including a first part from a DM server, and identifying a root node of the management object according to the first part. The first part comprises a URI parameter for specifying a root node of a sub-tree of the management tree for finding the management object, a management object identifier, and a plurality of attribute conditions for specifying values of a plurality of leaf nodes directly under the root node of the management object.
    Type: Application
    Filed: June 2, 2014
    Publication date: September 18, 2014
    Applicant: HTC CORPORATION
    Inventors: Chun-Ta YU, Yin-Yeh TSENG
  • Publication number: 20140217358
    Abstract: This application discloses a light-emitting diode comprising a first semiconductor layer, an active layer on the first semiconductor layer, a second semiconductor layer on the active layer, and a semiconductor contact layer on the second semiconductor layer. The second semiconductor layer comprises a first sub-layer and a second sub-layer formed above the first sub-layer, wherein the material of the second sub-layer comprises AlxGa1-xN(0<x<1) and the second sub-layer has a surface comprising a structure of irregularly distributed holes.
    Type: Application
    Filed: January 23, 2014
    Publication date: August 7, 2014
    Applicant: EPISTAR CORPORATION
    Inventors: Yu-Yao LIN, Tsun-Kai KO, Chien-Yuan TSENG, Yen-Chih CHEN, Chun-Ta YU, Shih-Chun LING, Cheng-Hsiung YEN, Hsin-Hsien WU
  • Patent number: 8775579
    Abstract: A method for addressing a management object in a management tree of a device management (DM) client and an associated DM system are disclosed to solve the issues encountered in the relative universal resource identifier (URI) addressing of the OMA DM protocol. The method comprises receiving a relative URI including a first part from a DM server, and identifying a root node of the management object according to the first part. The first part comprises a URI parameter for specifying a root node of a sub-tree of the management tree for finding the management object, a management object identifier, and a plurality of attribute conditions for specifying values of a plurality of leaf nodes directly under the root node of the management object.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: July 8, 2014
    Assignee: HTC Corporation
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Publication number: 20140167097
    Abstract: A method of fabricating an optoelectronic device comprising, providing a substrate, wherein the substrate comprises a first major surface and a second major surface opposite to the first major surface; forming a semiconductor epitaxial stack on the first major surface including a first conductive-type semiconductor layer having a first doping concentration, an active layer, and a second conductive-type semiconductor layer wherein the semiconductor epitaxial stack having four boundaries and a geometric center; and forming a plurality of the hollow components in the first conductive-type semiconductor layer wherein the plurality of the hollow components is formed from the boundary of the semiconductor epitaxial stack to the geometric center of the semiconductor epitaxial stack.
    Type: Application
    Filed: December 12, 2013
    Publication date: June 19, 2014
    Applicant: EPISTAR CORPORATION
    Inventors: HSIN-HSIEN WU, YU-YAO LIN, YEN-CHIH CHEN, CHIEN-YUAN TSENG, CHUN-TA YU, CHENG-HSIUNG YEN, SHIH-CHUN LING, TSUN-KAI KO, DE-SHAN KUO
  • Patent number: 8745270
    Abstract: Communication devices and methods thereof. The communication device comprises a communication module, a memory module, and a control module. The communication module receives a data object exceeding a predetermined data size from a device management server. The memory module, coupled to the communication module, comprises a management object tree having a management object leaf node, storing a first portion of the received data object in the management object leaf node, and holds the first portion in the management object leaf node when termination of the reception of the data object is being determined. The control module, coupled to the communication module and the memory module, determines termination of the reception of the data object prior to the data object being completely received, wherein the first portion comprises at least one unit data, and each unit data has a data size less than or equal to the predetermined data size.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: June 3, 2014
    Assignee: HTC Corporation
    Inventor: Chun-Ta Yu
  • Publication number: 20140117306
    Abstract: A light-emitting device comprises a first type semiconductor layer, a multi-quantum well structure on the first type semiconductor layer, and a second type semiconductor layer on the multi-quantum well structure, wherein the multi-quantum well structure comprises a first portion near the first type semiconductor layer, a second portion near the second type semiconductor layer, and a strain releasing layer between the first portion and the second portion and comprising a first layer including Indium, a second layer including Aluminum on the first layer, and a third layer including Indium on the second layer, wherein the Indium concentration of the third layer is higher than that of the first layer.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 1, 2014
    Applicant: EPISTAR CORPORATION
    Inventors: YU-YAO LIN, Yen-Chih Chen, Chien-Yuan Tseng, Tsun-Kai Ko, Chun-Ta Yu, Shih-Chun Ling, Cheng-Hsiung Yen, Hsin-Hsien Wu
  • Publication number: 20140068050
    Abstract: A method of handling a device management (DM) session for a DM client in a service system supporting open mobile alliance (OMA) DM protocol includes receiving a command from a DM server of the service system via the DM session; performing an interaction session with a web server via a web browser; and reporting status information related to the interaction session to the DM server for instructing the DM server to continue performing the DM session even the interaction session is still continuously performed.
    Type: Application
    Filed: September 2, 2013
    Publication date: March 6, 2014
    Applicant: HTC Corporation
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Publication number: 20130320296
    Abstract: A light-emitting device comprises a semiconductor stacked structure, the semiconductor stacked structure comprising a p-type semiconductor layer, a n-type semiconductor layer and an multiple quantum well structure between the p-type semiconductor layer and the n-type semiconductor layer, wherein the multiple quantum well structure comprises a first multiple quantum well structure near the n-type semiconductor layer and a second multiple quantum well structure near the p-type semiconductor layer, wherein the first multiple quantum well structure has positive interface bound charge and the second multiple quantum well structure has zero interface bound charge.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 5, 2013
    Applicant: Epistar Corporation
    Inventors: Chun-Ta Yu, Chien-Yuan Tseng, Yu-Yao Lin, Shih-Pang Chang, Hung-Chih Yang
  • Publication number: 20130275581
    Abstract: A method, used in an electronic device supporting a diagnostics and monitoring (DiagMon) management interface having a management object with a plurality of nodes, for monitoring running information of an application is disclosed. The method comprises identifying the application on a first node of the plurality of nodes; recording a total running time of the application on a second node of the plurality of nodes; recording a total user interactive time of the application on a third node of the plurality of nodes; recording a maximum memory usage which the application has used on a fourth node of the plurality of nodes; and recording a number of times which the application is activated by a user on a fifth node of the plurality of nodes.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 17, 2013
    Applicant: HTC Corporation
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Publication number: 20130097226
    Abstract: A software component information retrieving method for a SCOMO server in a service system is disclosed. The software component information retrieving method comprises receiving a message from a SCOMO client, wherein the message includes an alter type and the alert type is used for checking an available software component in the SCOMO server; and creating a sub-tree of the SCOMO tree in the SCOMO client when an available software component is found, wherein the sub-tree corresponds to the available software component and comprises information of the available software component.
    Type: Application
    Filed: April 9, 2012
    Publication date: April 18, 2013
    Inventor: Chun-Ta Yu
  • Publication number: 20130031262
    Abstract: A method for handling multiple Device Management (DM) server addresses in a DM Account Management Object (MO) is provided. The method includes the steps of obtaining, by a DM client, a plurality of DM server addresses and a reference to one or more of the DM server addresses or an empty value from the DM Account MO, and building, by the DM client, a DM session according to the reference.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 31, 2013
    Applicant: HTC Corporation
    Inventors: Chun-Ta YU, Yin-Yeh TSENG
  • Publication number: 20120323996
    Abstract: A method of reporting a result of execution of a workflow of a software and application control management object (SACMO) management object tree for a SACMO client in a service system is disclosed. The method comprises determining a node of the SACMO management object tree according to the result of the execution of the workflow; generating a message comprising an address of the node of the SACMO management object tree; and transmitting the message to a SACMO server of the service system, for reporting the result to the SACMO server.
    Type: Application
    Filed: June 20, 2012
    Publication date: December 20, 2012
    Inventors: Yin-Yeh Tseng, Chun-Ta Yu
  • Publication number: 20120311558
    Abstract: A method of handling a periodic update of a software component in a software component management object (SCOMO) client in a service system is disclosed. The method is utilized in the SCOMO client, and comprises configuring a first node in a SCOMO tree corresponding to the software component, for storing timing information of the periodic update, wherein the SCOMO tree is stored in the SCOMO client; and transmitting a request to a SCOMO server of the service system according to the timing information, for requesting an update of the software component.
    Type: Application
    Filed: May 31, 2012
    Publication date: December 6, 2012
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Publication number: 20120271931
    Abstract: A method of defining a condition scenario in a management object in a service system is disclosed. The MO comprises a step sub-tree and a node under the step sub-tree. The method comprises: creating at least two nodes under the node of the step sub-tree, wherein the at least two nodes comprise a first node and a second node; defining a comparison requirement for the first node and defining a comparison value for the second node; comparing the comparison value with a specific value and generating a comparison result; and executing a next step when the comparison result meets the comparison requirement.
    Type: Application
    Filed: April 23, 2012
    Publication date: October 25, 2012
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng
  • Publication number: 20120271932
    Abstract: A method of providing process operation in a management object (MO) specification conformed to device management (DM) of Open Mobile Alliance (OMA) for a client is disclosed. The method comprises creating a first node and a second node in a process sub-tree of a management object, wherein the first node indicates an operation for the second node, and the second node indicates a destination on which the operation is executed.
    Type: Application
    Filed: April 23, 2012
    Publication date: October 25, 2012
    Inventors: Chun-Ta Yu, Yin-Yeh Tseng