Patents by Inventor Wen-Hao Lee

Wen-Hao Lee 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: 10181520
    Abstract: A NVM cell structure includes a semiconductor substrate having a first conductivity type, a first well region having a second conductivity type, a floating gate transistor and an erase gate region. The first well region is disposed on a first OD region of the semiconductor substrate. The erase gate region disposed on a second OD region of the semiconductor substrate includes a first doped region and at least one second doped region having the second conductivity type. The first doped region is disposed in semiconductor substrate and covers the second OD region, and the second doped region is disposed in the first doped region. The first doped region encompasses the second doped region, and a doping concentration of the second doped region is larger than a doping concentration of the first doped region.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: January 15, 2019
    Assignee: eMemory Technology Inc.
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20180061647
    Abstract: A NVM cell structure includes a semiconductor substrate having a first conductivity type, a first well region having a second conductivity type, a floating gate transistor and an erase gate region. The first well region is disposed on a first OD region of the semiconductor substrate. The erase gate region disposed on a second OD region of the semiconductor substrate includes a first doped region and at least one second doped region having the second conductivity type. The first doped region is disposed in semiconductor substrate and covers the second OD region, and the second doped region is disposed in the first doped region. The first doped region encompasses the second doped region, and a doping concentration of the second doped region is larger than a doping concentration of the first doped region.
    Type: Application
    Filed: October 25, 2017
    Publication date: March 1, 2018
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9892928
    Abstract: A NVM cell structure includes a semiconductor substrate having a first conductivity type, a first well region having a second conductivity type, a floating gate transistor and an erase gate region. The first well region is disposed on a first OD region of the semiconductor substrate. The erase gate region disposed on a second OD region of the semiconductor substrate includes a first doped region and at least one second doped region having the second conductivity type. The first doped region is disposed in semiconductor substrate and covers the second OD region, and the second doped region is disposed in the first doped region. The first doped region encompasses the second doped region, and a doping concentration of the second doped region is larger than a doping concentration of the first doped region.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: February 13, 2018
    Assignee: eMemory Technology Inc.
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9638549
    Abstract: An integrated capacitance sensing module includes a silicon substrate, a first and a second and a third interlayer dielectric layers, plural conducting layers, a shielding layer, a lower and a upper sensing electrode layers, a protective coating layer. An embedded memory and a sensing circuit are constructed in the silicon substrate. The first interlayer dielectric layer covers the silicon substrate. The plural conducting layers are formed over the first interlayer dielectric layer. The shielding layer is formed over the plural conducting layers. The second interlayer dielectric layer covers the shielding layer. The lower sensing electrode layer is formed over the second interlayer dielectric layer. The third interlayer dielectric layer is formed over the lower sensing electrode layer. The upper sensing electrode layer is formed over the third interlayer dielectric layer. The protective coating layer covers the upper sensing electrode layer.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: May 2, 2017
    Assignee: EMEMORY TECHNOLOGY INC.
    Inventors: Wei-Ren Chen, Wen-Hao Lee, Hsin-Chou Liu, Ching-Sung Yang
  • Patent number: 9613663
    Abstract: An array structure of a single-poly nonvolatile memory includes a first MTP section, a first OTP section and a ROM section. The first MTP section includes a plurality of MTP cells, the first OTP section includes a plurality of OTP cells and the first ROM section includes a plurality of ROM cells. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The first OTP section is connected to a second word line, a second source line and the plurality of bit lines shared with the first MTP section. The first ROM section is connected to a third word line, a third source line and the plurality of bit lines shared with the first MTP section.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: April 4, 2017
    Assignee: EMEMORY TECHNOLOGY INC.
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9601164
    Abstract: An array structure of a single-poly nonvolatile memory includes a first MTP section and a first OTP section. The first MTP section includes a plurality of MTP cells and the first OTP section includes a plurality of OTP cells. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The first OTP section is connected to a second word line, a second source line and the plurality of bit lines shared with the first MTP section.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: March 21, 2017
    Assignee: EMEMORY TECHNOLOGY INC.
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20160379687
    Abstract: An array structure of a single-poly nonvolatile memory includes a first MTP section and a first OTP section. The first MTP section includes a plurality of MTP cells and the first OTP section includes a plurality of OTP cells. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The first OTP section is connected to a second word line, a second source line and the plurality of bit lines shared with the first MTP section.
    Type: Application
    Filed: September 6, 2016
    Publication date: December 29, 2016
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20160379688
    Abstract: An array structure of a single-poly nonvolatile memory includes a first MTP section, a first OTP section and a ROM section. The first MTP section includes a plurality of MTP cells, the first OTP section includes a plurality of OTP cells and the first ROM section includes a plurality of ROM cells. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The first OTP section is connected to a second word line, a second source line and the plurality of bit lines shared with the first MTP section. The first ROM section is connected to a third word line, a third source line and the plurality of bit lines shared with the first MTP section.
    Type: Application
    Filed: September 6, 2016
    Publication date: December 29, 2016
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9530460
    Abstract: An array structure of a single-poly nonvolatile memory includes a first and a second MTP sections, a first and a second OTP sections. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The second MTP section is connected to a second word line, a second source line and shares the first erase line and the plurality of bit lines with the first MTP section. The first OTP section is connected to a third word line and shares the first source line and the plurality of bit lines with the first MTP section. The second OTP section is connected to a fourth word line, a third source line, and shares the plurality of bit lines with the first MTP section, the second MTP section and the third OTP section.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: December 27, 2016
    Assignee: EMEMORY TECHNOLOGY INC.
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9508396
    Abstract: An array structure of a single-poly nonvolatile memory includes a first and a second MTP sections, a first and a second OTP sections. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The second MTP section is connected to a second word line, a second source line and shares the first erase line and the plurality of bit lines with the first MTP section. The first OTP section is connected to a third word line and shares the first source line and the plurality of bit lines with the first MTP section. The second OTP section is connected to a fourth word line, a third source line, and shares the plurality of bit lines with the first MTP section, the second MTP section and the third OTP section.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: November 29, 2016
    Assignee: EMEMORY TECHNOLOGY INC.
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20160254032
    Abstract: An array structure of a single-poly nonvolatile memory includes a first and a second MTP sections, a first and a second OTP sections. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The second MTP section is connected to a second word line, a second source line and shares the first erase line and the plurality of bit lines with the first MTP section. The first OTP section is connected to a third word line and shares the first source line and the plurality of bit lines with the first MTP section. The second OTP section is connected to a fourth word line, a third source line, and shares the plurality of bit lines with the first MTP section, the second MTP section and the third OTP section.
    Type: Application
    Filed: May 10, 2016
    Publication date: September 1, 2016
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20160197089
    Abstract: A NVM cell structure includes a semiconductor substrate having a first conductivity type, a first well region having a second conductivity type, a floating gate transistor and an erase gate region. The first well region is disposed on a first OD region of the semiconductor substrate. The erase gate region disposed on a second OD region of the semiconductor substrate includes a first doped region and at least one second doped region having the second conductivity type. The first doped region is disposed in semiconductor substrate and covers the second OD region, and the second doped region is disposed in the first doped region. The first doped region encompasses the second doped region, and a doping concentration of the second doped region is larger than a doping concentration of the first doped region.
    Type: Application
    Filed: January 7, 2016
    Publication date: July 7, 2016
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20160123775
    Abstract: An integrated capacitance sensing module includes a silicon substrate, a first and a second and a third interlayer dielectric layers, plural conducting layers, a shielding layer, a lower and a upper sensing electrode layers, a protective coating layer. An embedded memory and a sensing circuit are constructed in the silicon substrate. The first interlayer dielectric layer covers the silicon substrate. The plural conducting layers are formed over the first interlayer dielectric layer. The shielding layer is formed over the plural conducting layers. The second interlayer dielectric layer covers the shielding layer. The lower sensing electrode layer is formed over the second interlayer dielectric layer. The third interlayer dielectric layer is formed over the lower sensing electrode layer. The upper sensing electrode layer is formed over the third interlayer dielectric layer. The protective coating layer covers the upper sensing electrode layer.
    Type: Application
    Filed: June 3, 2015
    Publication date: May 5, 2016
    Inventors: Wei-Ren Chen, Wen-Hao Lee, Hsin-Chou Liu, Ching-Sung Yang
  • Publication number: 20150287438
    Abstract: An array structure of a single-poly nonvolatile memory includes a first and a second MTP sections, a first and a second OTP sections. The first MTP is connected to a first word line, a first source line, a first erase line and a plurality of bit lines. The second MTP section is connected to a second word line, a second source line and shares the first erase line and the plurality of bit lines with the first MTP section. The first OTP section is connected to a third word line and shares the first source line and the plurality of bit lines with the first MTP section. The second OTP section is connected to a fourth word line, a third source line, and shares the plurality of bit lines with the first MTP section, the second MTP section and the third OTP section.
    Type: Application
    Filed: August 28, 2014
    Publication date: October 8, 2015
    Inventors: Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9147690
    Abstract: An erasable programmable single-poly nonvolatile memory includes a substrate structure; a first PMOS transistor comprising a select gate, a first source/drain region, and a second source/drain region, wherein the select gate is connected to a select gate voltage, and the first source/drain region is connected to a source line voltage; a second PMOS transistor comprising the second source/drain region, a third source/drain region, and a floating gate, wherein the third source/drain region is connected to a bit line voltage and the first, second and third source/drain regions are constructed in a N-well region; and an erase gate region adjacent to the floating gate, wherein the erase gate region comprises a n-type source/drain region connected to an erase line voltage and a P-well region; wherein the N-well region and the P-well region are formed in the substrate structure.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 29, 2015
    Assignee: EMEMORY TECHNOLOGY INC.
    Inventors: Wei-Ren Chen, Te-Hsun Hsu, Wen-Hao Lee
  • Patent number: 8779520
    Abstract: An erasable programmable single-poly nonvolatile memory includes a substrate structure; a floating gate transistor having a floating gate, a gate oxide layer under the floating gate, and a channel region, wherein the channel region is formed in a N-well region; and an erase gate region, wherein the floating gate is extended to and is adjacent to the erase gate region and the erase gate region comprises a n-type source/drain region connected to an erase line voltage and a P-well region. The N-well and P-well region are formed in the substrate structure. The gate oxide layer comprises a first portion above the channel region of the floating gate transistor and a second portion above the erase gate region, and a thickness of the first portion of the gate oxide layer is different from a thickness of the second portion of the gate oxide layer.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: July 15, 2014
    Assignee: eMemory Technology Inc.
    Inventors: Wei-Ren Chen, Te-Hsun Hsu, Wen-Hao Lee
  • Publication number: 20130248973
    Abstract: An erasable programmable single-poly nonvolatile memory includes a substrate structure; a floating gate transistor having a floating gate, a gate oxide layer under the floating gate, and a channel region, wherein the channel region is formed in a N-well region; and an erase gate region, wherein the floating gate is extended to and is adjacent to the erase gate region and the erase gate region comprises a n-type source/drain region connected to an erase line voltage and a P-well region. The N-well and P-well region are formed in the substrate structure. The gate oxide layer comprises a first portion above the channel region of the floating gate transistor and a second portion above the erase gate region, and a thickness of the first portion of the gate oxide layer is different from a thickness of the second portion of the gate oxide layer.
    Type: Application
    Filed: May 14, 2013
    Publication date: September 26, 2013
    Applicant: eMemory Technology Inc.
    Inventors: Wei-Ren Chen, Te-Hsun Hsu, Wen-Hao Lee
  • Publication number: 20130248972
    Abstract: An erasable programmable single-poly nonvolatile memory includes a substrate structure; a first PMOS transistor comprising a select gate, a first source/drain region, and a second source/drain region, wherein the select gate is connected to a select gate voltage, and the first source/drain region is connected to a source line voltage; a second PMOS transistor comprising the second source/drain region, a third source/drain region, and a floating gate, wherein the third source/drain region is connected to a bit line voltage and the first, second and third source/drain regions are constructed in a N-well region; and an erase gate region adjacent to the floating gate, wherein the erase gate region comprises a n-type source/drain region connected to an erase line voltage and a P-well region; wherein the N-well region and the P-well region are formed in the substrate structure.
    Type: Application
    Filed: May 13, 2013
    Publication date: September 26, 2013
    Applicant: eMemory Technology Inc.
    Inventors: Wei-Ren Chen, Te-Hsun Hsu, Wen-Hao Lee
  • Patent number: 8486733
    Abstract: A package having a light-emitting element includes a substrate having a light-emitting element disposed thereon, an insulating layer formed on the substrate and having an opening for exposing the light-emitting element, a florescent layer formed in the opening of the insulating layer for encapsulating the light-emitting element, and a transparent material formed on the florescent layer and the insulating layer. As such, a specific space can be defined by the insulating layer for exposing the light-emitting element and forming the fluorescent layer, thereby overcoming the problem of non-uniform coating of phosphor powder as encountered in prior techniques.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: July 16, 2013
    Assignee: Siliconware Precision Industries Co., Ltd.
    Inventors: Jia-Shin Liou, Wen-Hao Lee, Hsien-Wen Chen
  • Publication number: 20130026516
    Abstract: A light-emitting diode (LED) package structure and a packaging method thereof are provided. The packaging method includes: forming first conductive layers on a silicon substrate, and forming a reflection cavity and electrode via holes from a top surface of the silicon substrate; forming a reflection layer on predetermined areas of a surface of the reflection cavity, and forming second conductive layers and metal layers on surfaces of the electrode via holes; and mounting a chip and forming an encapsulant, so as to fabricate the LED package structure. In the present invention, there is no need to perform at least two plating processes for connecting upper and lower conductive layers of the silicon substrate in the electrode via holes, and the problem of poor connection of the conductive layers in the electrode via holes can be avoided, thereby making the fabrication processes simplified and time-effective and also improving the overall production yield.
    Type: Application
    Filed: September 1, 2011
    Publication date: January 31, 2013
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.
    Inventors: Jih-Fu Wang, Chien-Ping Huang, Wen-Hao Lee, Hsien-Wen Chen, Ming-Hsiu Lee