Patents by Inventor Chien Sen Weng

Chien Sen Weng 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: 8173465
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: May 8, 2012
    Assignee: Lextar Electronics Corp.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Patent number: 8173468
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: May 8, 2012
    Assignee: Lextar Electronics Corp.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Patent number: 8143090
    Abstract: A method of fabricating a photo sensor includes the following steps. First, a substrate is provided, having a conductive layer, a buffer dielectric layer, a patterned semiconductor layer, a dielectric layer, and a planarization layer disposed thereon from bottom to top, wherein the patterned semiconductor layer comprises a first doped region, an intrinsic region, and a second doped region disposed in order. Then, the planarization layer is patterned to form an opening in the planarization layer to expose a portion of the dielectric layer, wherein the opening is positioned on the intrinsic region and portions of the first and the second doped regions. Thereafter, at least a patterned transparent conductive layer is formed in the opening, covering the boundary of the intrinsic region and the first doped region and the boundary of the intrinsic region and the second doped region.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: March 27, 2012
    Assignee: AU Optronics Corp.
    Inventors: Chien-Sen Weng, Chih-Wei Chao, Chrong-Jung Lin, Ya-Chin King
  • Patent number: 8101440
    Abstract: A method for fabricating a light emitting diode chip is provided. Firstly, a semiconductor device layer is formed on a substrate. Afterwards, a current spreading layer is formed on a portion of the semiconductor device layer. Then, a current blocking layer and a passivation layer are formed on a portion of the semiconductor device layer not covered by the current spreading layer. Finally, a first electrode is formed on the current blocking layer and the current spreading layer. Moreover, a second electrode is formed on the semiconductor device layer.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: January 24, 2012
    Assignee: Lextar Electronics Corp.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110318855
    Abstract: A method for fabricating a light emitting diode chip is provided. Firstly, a semiconductor device layer is formed on a substrate. Afterwards, a current spreading layer is formed on a portion of the semiconductor device layer. Then, a current blocking layer and a passivation layer are formed on a portion of the semiconductor device layer not covered by the current spreading layer. Finally, a first electrode is formed on the current blocking layer and the current spreading layer. Moreover, a second electrode is formed on the semiconductor device layer.
    Type: Application
    Filed: August 30, 2011
    Publication date: December 29, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110318858
    Abstract: A method for fabricating a light emitting diode chip is provided. Firstly, a semiconductor device layer is formed on a substrate. Afterwards, a current spreading layer is formed on a portion of the semiconductor device layer. Then, a current blocking layer and a passivation layer are formed on a portion of the semiconductor device layer not covered by the current spreading layer. Finally, a first electrode is formed on the current blocking layer and the current spreading layer. Moreover, a second electrode is formed on the semiconductor device layer.
    Type: Application
    Filed: August 30, 2011
    Publication date: December 29, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Patent number: 8063464
    Abstract: A photo detector is disclosed. The photo detector has a substrate, a semiconductor layer disposed on the substrate, an insulating layer covered on the semiconductor layer, an interlayer dielectric layer covered on the insulating layer, and two electrodes formed on a portion of the interlayer dielectric layer. The semiconductor layer has a first doping region, a second doping region, and an intrinsic region located between the first doping region and the second doping region. The interlayer dielectric layer has at least three holes to expose a portion of the insulating layer, a portion of the first doping region, and the second doping region. The electrodes are connected to the first doping region and the second doping region through two of the holes.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: November 22, 2011
    Assignee: AU Optronics Corp.
    Inventors: Chien-Sen Weng, Yi-Wei Chen, Chih-Wei Chao, Kun-Chih Lin
  • Patent number: 8043873
    Abstract: A method for fabricating a light emitting diode chip is provided. Firstly, a semiconductor device layer is formed on a substrate. Afterwards, a current spreading layer is formed on a portion of the semiconductor device layer. Then, a current blocking layer and a passivation layer are formed on a portion of the semiconductor device layer not covered by the current spreading layer. Finally, a first electrode is formed on the current blocking layer and the current spreading layer. Moreover, a second electrode is formed on the semiconductor device layer.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: October 25, 2011
    Assignee: Lextar Electronics Corp.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110241064
    Abstract: A LED chip including a substrate, a semiconductor device layer, a current blocking layer, a current spread layer, a first electrode and a second electrode is provided. The semiconductor device layer is disposed on the substrate. The current blocking layer is disposed on a part of the semiconductor device layer and includes a current blocking segment and a current distribution adjusting segment. The current spread layer is disposed on a part of the semiconductor device layer and covers the current blocking layer. The first electrode is disposed on the current spread layer, wherein a part of the current blocking segment is overlapped with the first electrode. Contours of the current blocking segment and the first electrode are similar figures. Contour of the first electrode and is within contour of the current blocking segment. The current distribution adjusting segment is not overlapped with the first electrode.
    Type: Application
    Filed: June 14, 2011
    Publication date: October 6, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Patent number: 8008686
    Abstract: An LED chip includes a substrate, a semiconductor device layer, a wall structure, and a number of electrodes. The semiconductor device layer is disposed on the substrate and includes a first-type doped semiconductor layer disposed on the substrate, an active layer disposed on a portion of the first-type doped semiconductor layer, and a second-type doped semiconductor layer disposed on the active layer and having a first top surface. The wall structure is disposed on the first-type doped semiconductor layer that is not covered by the active layer and surrounds the active layer. Besides, the wall structure has a second top surface higher than the first top surface of the second-type doped semiconductor layer. Additionally, the electrodes are disposed on and electrically connected with the first-type doped semiconductor layer and the second-type doped semiconductor layer.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: August 30, 2011
    Assignee: Lextar Electronics Corp.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Patent number: 7989819
    Abstract: A LED chip including a substrate, a semiconductor device layer, a current blocking layer, a current spread layer, a first electrode and a second electrode is provided. The semiconductor device layer is disposed on the substrate. The current blocking layer is disposed on a part of the semiconductor device layer and includes a current blocking segment and a current distribution adjusting segment. The current spread layer is disposed on a part of the semiconductor device layer and covers the current blocking layer. The first electrode is disposed on the current spread layer, wherein a part of the current blocking segment is overlapped with the first electrode. Contours of the current blocking segment and the first electrode are similar figures. Contour of the first electrode and is within contour of the current blocking segment. The current distribution adjusting segment is not overlapped with the first electrode.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: August 2, 2011
    Assignee: Lextar Electronics Corp.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110165727
    Abstract: A method of fabricating a photo sensor includes the following steps. First, a substrate is provided, having a conductive layer, a buffer dielectric layer, a patterned semiconductor layer, a dielectric layer, and a planarization layer disposed thereon from bottom to top, wherein the patterned semiconductor layer comprises a first doped region, an intrinsic region, and a second doped region disposed in order. Then, the planarization layer is patterned to form an opening in the planarization layer to expose a portion of the dielectric layer, wherein the opening is positioned on the intrinsic region and portions of the first and the second doped regions. Thereafter, at least a patterned transparent conductive layer is formed in the opening, covering the boundary of the intrinsic region and the first doped region and the boundary of the intrinsic region and the second doped region.
    Type: Application
    Filed: March 10, 2011
    Publication date: July 7, 2011
    Inventors: Chien-Sen Weng, Chih-Wei Chao, Chrong-Jung Lin, Ya-Chin King
  • Publication number: 20110165706
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Application
    Filed: March 11, 2011
    Publication date: July 7, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110165705
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Application
    Filed: March 11, 2011
    Publication date: July 7, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110164195
    Abstract: A display device includes a first substrate, a heating layer formed on the first substrate, an insulating layer having a first opening formed on the heating layer, at least one switching device, two contact pads formed on the insulating layer, and respectively electrically connected to the scan line and the data line, a capacitor, a passivation layer covering the switching device and the capacitor, and a pixel electrode formed on the passivation layer and electrically connected to the drain of the switching device. The source of the switching device is connected to the data line. The passivation layer has a plurality of second openings exposing the contact pads.
    Type: Application
    Filed: March 18, 2011
    Publication date: July 7, 2011
    Inventors: Mao-Yi Chang, Chia-Tien Peng, Chih-Wei Chao, Chien-Sen Weng, Chao-Shun Liao
  • Publication number: 20110159613
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 30, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110159623
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 30, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110159614
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 30, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Publication number: 20110159612
    Abstract: A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 30, 2011
    Applicant: LEXTAR ELECTRONICS CORP.
    Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
  • Patent number: 7952159
    Abstract: A photo sensor includes a patterned shielding conductive layer disposed on a transparent substrate, and a buffer dielectric layer, a patterned semiconductor layer, and a dielectric layer disposed on the patterned shielding layer in order. The patterned semiconductor layer includes an intrinsic region, a first doped region, and a second doped region, wherein the first and second doped regions are positioned at two sides of the intrinsic region separately. A patterned transparent conductive layer is disposed on the dielectric layer and covers the boundary of the intrinsic region and the first doped region and the boundary of the intrinsic region and the second doped region. The patterned transparent conductive layer is electrically connected to the patterned shielding conductive layer.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: May 31, 2011
    Assignee: AU Optronics Corp.
    Inventors: Chien-Sen Weng, Chih-Wei Chao, Chrong-Jung Lin, Ya-Chin King