Patents by Inventor Wan-Yi Liu

Wan-Yi 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).

  • Patent number: 8748896
    Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a gate, a gate insulating layer, a silicon-rich channel layer, a source, and a drain. The gate is disposed on the substrate. The gate insulator is disposed over the gate. The silicon-rich channel layer is disposed above the gate, wherein the material of the silicon-rich channel layer is selected from a group consisting of silicon-rich silicon oxide (Si-rich SiOx), silicon-rich silicon nitride (Si-rich SiNx), silicon-rich silicon oxynitride (Si-rich SiOxNy), silicon-rich silicon carbide (Si-rich SiC) and silicon-rich silicon oxycarbide (Si-rich SiOC). The content (concentration) of silicon of the silicon-rich channel layer within a film depth between 10 nm to 170 nm ranges from about 1E23 atoms/cm3 to about 4E23 atoms/cm3. The source and the drain are connected with the silicon-rich channel layer.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: June 10, 2014
    Assignee: Au Optronics Corporation
    Inventors: An-Thung Cho, Wan-Yi Liu, Chia-Kai Chen, Wu-Hsiung Lin, Chun-Hsiun Chen, Wei-Ming Huang
  • Publication number: 20140034951
    Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a gate, a gate insulating layer, a silicon-rich channel layer, a source, and a drain. The gate is disposed on the substrate. The gate insulator is disposed over the gate. The silicon-rich channel layer is disposed above the gate, wherein the material of the silicon-rich channel layer is selected from a group consisting of silicon-rich silicon oxide (Si-rich SiOx), silicon-rich silicon nitride (Si-rich SiNx), silicon-rich silicon oxynitride (Si-rich SiOxNy), silicon-rich silicon carbide (Si-rich SiC) and silicon-rich silicon oxycarbide (Si-rich SiOC). The content (concentration) of silicon of the silicon-rich channel layer within a film depth between 10 nm to 170 nm ranges from about 1E23 atoms/cm3 to about 4E23 atoms/cm3. The source and the drain are connected with the silicon-rich channel layer.
    Type: Application
    Filed: October 8, 2013
    Publication date: February 6, 2014
    Applicant: Au Optronics Corporation
    Inventors: An-Thung Cho, Wan-Yi Liu, Chia-Kai Chen, Wu-Hsiung Lin, Chun-Hsiun Chen, Wei-Ming Huang
  • Patent number: 8586425
    Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a gate, a gate insulating layer, a silicon-rich channel layer, a source, and a drain. The gate is disposed on the substrate. The gate insulator is disposed over the gate. The silicon-rich channel layer is disposed above the gate, wherein the material of the silicon-rich channel layer is selected from a group consisting of silicon-rich silicon oxide (Si-rich SiOx), silicon-rich silicon nitride (Si-rich SiNx), silicon-rich silicon oxynitride (Si-rich SiOxNy), silicon-rich silicon carbide (Si-rich SiC) and silicon-rich silicon oxycarbide (Si-rich SiOC). The content (concentration) of silicon of the silicon-rich channel layer within a film depth between 10 nm to 170 nm ranges from about 1E23 atoms/cm3 to about 4E23 atoms/cm3. The source and the drain are connected with the silicon-rich channel layer.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: November 19, 2013
    Assignee: Au Optronics Corporation
    Inventors: An-Thung Cho, Wan-Yi Liu, Chia-Kai Chen, Wu-Hsiung Lin, Chun-Hsiun Chen, Wei-Ming Huang
  • Patent number: 8553186
    Abstract: A display panel having a pixel region and a sensing region includes a first substrate, a second substrate and a display medium layer. A plurality of pixel structures and at least one photo-voltaic cell device are disposed on the first substrate. The pixel structures are arranged in the pixel region in array, and each of the pixel structures includes a thin film transistor and a pixel electrode electrically connected to the thin film transistor. The photo-voltaic cell device disposed in the sensing region includes a doped semiconductor layer, a transparent electrode layer, a first type doped silicon-rich dielectric layer and a second type doped silicon-rich dielectric layer. The first type doped silicon-rich dielectric layer and the second type doped silicon-rich dielectric layer are disposed between the doped semiconductor layer and the transparent electrode layer. The display medium layer is disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: October 8, 2013
    Assignee: Au Optronics Corporation
    Inventors: An-Thung Cho, Chia-Tien Peng, Wan-Yi Liu, Chun-Hsiun Chen, Wei-Ming Huang
  • Patent number: 8362484
    Abstract: An optical sensor, method of making the same, and a display panel having an optical sensor. The optical sensor includes a first electrode, a second electrode, a photosensitive silicon-rich dielectric layer, and a first interfacial silicon-rich dielectric layer. The photosensitive silicon-rich dielectric layer is disposed between the first and second electrodes. The first interfacial silicon-rich dielectric layer is disposed between the first electrode and the photosensitive silicon-rich dielectric layer.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: January 29, 2013
    Assignee: AU Optronics Corp.
    Inventors: Shin-Shueh Chen, Wan-Yi Liu, Chia-Tien Peng
  • Patent number: 8344381
    Abstract: A UV sensor comprises a silicon-rich dielectric layer with a refractive index in a range of about 1.7 to about 2.5 for serving as the light sensing material of the UV sensor. The fabrication method of the UV sensor can be integrated with the fabrication process of semiconductor devices or flat display panels.
    Type: Grant
    Filed: February 21, 2010
    Date of Patent: January 1, 2013
    Assignee: AU Optronics Corp.
    Inventors: An-Thung Cho, Chi-Hua Sheng, Ruei-Liang Luo, Wan-Yi Liu, Wei-Min Sun, Chi-Mao Hung, Chun-Hsiun Chen, Wei-Ming Huang
  • Patent number: 8093648
    Abstract: A method for manufacturing a non-volatile memory and a structure thereof are provided. The manufacturing method comprises the following steps. Firstly, a substrate is provided. Next, a semiconductor layer is formed on the substrate. Then, a Si-rich dielectric layer is formed on the semiconductor layer. After that, a plurality of silicon nanocrystals is formed in the Si-rich dielectric layer by a laser annealing process to form a charge-storing dielectric layer. Last, a gate electrode is formed on the charge-storing dielectric layer.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: January 10, 2012
    Assignee: Au Optronics Corp.
    Inventors: An-Thung Cho, Chia-Tien Peng, Chih-Wei Chao, Wan-Yi Liu, Chia-Kai Chen, Chun-Hsiun Chen, Wei-Ming Huang
  • Publication number: 20110156043
    Abstract: A thin film transistor disposed on a substrate is provided. The thin film transistor includes a gate, a gate insulating layer, a silicon-rich channel layer, a source, and a drain. The gate is disposed on the substrate. The gate insulator is disposed over the gate. The silicon-rich channel layer is disposed above the gate, wherein the material of the silicon-rich channel layer is selected from a group consisting of silicon-rich silicon oxide (Si-rich SiOx), silicon-rich silicon nitride (Si-rich SiNx), silicon-rich silicon oxynitride (Si-rich SiOxNy), silicon-rich silicon carbide (Si-rich SiC) and silicon-rich silicon oxycarbide (Si-rich SiOC). The content (concentration) of silicon of the silicon-rich channel layer within a film depth between 10 nm to 170 nm ranges from about 1E23 atoms/cm3 to about 4E23 atoms/cm3. The source and the drain are connected with the silicon-rich channel layer.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 30, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: An-Thung Cho, Wan-Yi Liu, Chia-Kai Chen, Wu-Hsiung Lin, Chun-Hsiun Chen, Wei-Ming Huang
  • Publication number: 20100327289
    Abstract: A UV sensor comprises a silicon-rich dielectric layer with a refractive index in a range of about 1.7 to about 2.5 for serving as the light sensing material of the UV sensor. The fabrication method of the UV sensor can be integrated with the fabrication process of semiconductor devices or flat display panels.
    Type: Application
    Filed: February 21, 2010
    Publication date: December 30, 2010
    Inventors: An-Thung Cho, Chi-Hua Sheng, Ruei-Liang Luo, Wan-Yi Liu, Wei-Min Sun, Chi-Mao Hung, Chun-Hsiun Chen, Wei-Ming Huang
  • Patent number: 7857907
    Abstract: The present invention relates to a method for forming a layered structure with silicon nanocrystals. In one embodiment, the method comprises the steps of: (i) forming a first conductive layer on a substrate, (ii) forming a silicon-rich dielectric layer on the first conductive layer, and (iii) laser-annealing at least the silicon-rich dielectric layer to induce silicon-rich aggregation to form a plurality of silicon nanocrystals in the silicon-rich dielectric layer. The silicon-rich dielectric layer is one of a silicon-rich oxide film having a refractive index in the range of about 1.4 to 2.3, or a silicon-rich nitride film having a refractive index in the range of about 1.7 to 2.3. The layered structure with silicon nanocrystals in a silicon-rich dielectric layer is usable in a solar cell, a photodetector, a touch panel, a non-volatile memory device as storage node, and a liquid crystal display.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: December 28, 2010
    Assignee: AU Optronics Corporation
    Inventors: An-Thung Cho, Chih-Wei Chao, Chia-Tien Peng, Wan-Yi Liu, Ming-Wei Sun
  • Publication number: 20100315580
    Abstract: A display panel having a pixel region and a sensing region includes a first substrate, a second substrate and a display medium layer. A plurality of pixel structures and at least one photo-voltaic cell device are disposed on the first substrate. The pixel structures are arranged in the pixel region in array, and each of the pixel structures includes a thin film transistor and a pixel electrode electrically connected to the thin film transistor. The photo-voltaic cell device disposed in the sensing region includes a doped semiconductor layer, a transparent electrode layer, a first type doped silicon-rich dielectric layer and a second type doped silicon-rich dielectric layer. The first type doped silicon-rich dielectric layer and the second type doped silicon-rich dielectric layer are disposed between the doped semiconductor layer and the transparent electrode layer. The display medium layer is disposed between the first substrate and the second substrate.
    Type: Application
    Filed: October 1, 2009
    Publication date: December 16, 2010
    Applicant: AU OPTRONICS CORPORATION
    Inventors: An-Thung Cho, Chia-Tien Peng, Wan-Yi Liu, Chun-Hsiun Chen, Wei-Ming Huang
  • Publication number: 20100244033
    Abstract: An optical sensor, method of making the same, and a display panel having an optical sensor. The optical sensor includes a first electrode, a second electrode, a photosensitive silicon-rich dielectric layer, and a first interfacial silicon-rich dielectric layer. The photosensitive silicon-rich dielectric layer is disposed between the first and second electrodes. The first interfacial silicon-rich dielectric layer is disposed between the first electrode and the photosensitive silicon-rich dielectric layer.
    Type: Application
    Filed: August 3, 2009
    Publication date: September 30, 2010
    Inventors: Shin-Shueh Chen, Wan-Yi Liu, Chia-Tien Peng
  • Patent number: 7683309
    Abstract: A photosensor includes a metal conductive layer, an interface dielectric layer, a silicon-rich dielectric layer and a transparent conductive layer. The interface dielectric layer is formed on the metal conductive layer. The silicon-rich dielectric layer is formed on the interface dielectric layer. The transparent conductive layer is formed on the silicon-rich dielectric layer. A method for fabricating a photosensor is also disclosed herein.
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: March 23, 2010
    Assignee: AU Optronics Corporation
    Inventors: Shin-Shueh Chen, Wan-Yi Liu, Chia-Tien Peng, Tsung-Yi Hsu, Jen-Pei Tseng
  • Publication number: 20100013001
    Abstract: A method for manufacturing a non-volatile memory and a structure thereof are provided. The manufacturing method comprises the following steps. Firstly, a substrate is provided. Next, a semiconductor layer is formed on the substrate. Then, a Si-rich dielectric layer is formed on the semiconductor layer. After that, a plurality of silicon nanocrystals is formed in the Si-rich dielectric layer by a laser annealing process to form a charge-storing dielectric layer. Last, a gate electrode is formed on the charge-storing dielectric layer.
    Type: Application
    Filed: July 10, 2009
    Publication date: January 21, 2010
    Applicant: AU OPTRONICS CORP.
    Inventors: An-Thung CHO, Chia-Tien PENG, Chih-Wei CHAO, Wan-Yi LIU, Chia-Kai CHEN, Chun-Hsiun CHEN, Wei-Ming HUANG
  • Publication number: 20080178794
    Abstract: The present invention relates to a method for forming a layered structure with silicon nanocrystals. In one embodiment, the method comprises the steps of: (i) forming a first conductive layer on a substrate, (ii) forming a silicon-rich dielectric layer on the first conductive layer, and (iii) laser-annealing at least the silicon-rich dielectric layer to induce silicon-rich aggregation to form a plurality of silicon nanocrystals in the silicon-rich dielectric layer. The silicon-rich dielectric layer is one of a silicon-rich oxide film having a refractive index in the range of about 1.4 to 2.3, or a silicon-rich nitride film having a refractive index in the range of about 1.7 to 2.3. The layered structure with silicon nanocrystals in a silicon-rich dielectric layer is usable in a solar cell, a photodetector, a touch panel, a non-volatile memory device as storage node, and a liquid crystal display.
    Type: Application
    Filed: January 25, 2007
    Publication date: July 31, 2008
    Applicant: AU Optronics Corporation
    Inventors: An-Thung Cho, Chih-Wei Chao, Chia-Tien Peng, Wan-Yi Liu, Ming-Wei Sun
  • Patent number: 7375372
    Abstract: A thin film transistor (TFT) and a manufacturing method thereof are provided. The thin film transistor (TFT) comprises a substrate, a gate, an inter-gate dielectric layer, a channel layer and source/drain regions. A gate is formed over the substrate. An inter-gate dielectric layer is formed over the substrate covering the gate. A doped amorphous silicon layer is formed over a portion of the inter-gate dielectric layer at least covering the gate to serve as channel layer. Next, source/drain regions are formed over the channel layer.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: May 20, 2008
    Assignee: Au Optronics Corporation
    Inventors: Fang-Chen Luo, Wan-Yi Liu, Chieh-Chou Hsu
  • Publication number: 20070114533
    Abstract: A thin film transistor (TFT) is provided. The thin film transistor (TFT) comprises a substrate, a gate, an inter-gate dielectric layer, a channel layer and source/drain regions. A gate is formed over the substrate. An inter-gate dielectric layer is formed over the substrate covering the gate. A doped amorphous silicon layer is formed over a portion of the inter-gate dielectric layer at least covering the gate to serve as channel layer. Source/drain regions are formed over the channel layer.
    Type: Application
    Filed: January 19, 2007
    Publication date: May 24, 2007
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Fang-Chen Luo, Wan-Yi Liu, Chieh-Chou Hsu
  • Patent number: 7205171
    Abstract: A thin film transistor (TFT) and a manufacturing method thereof are provided. The thin film transistor (TFT) comprises a substrate, a gate, an inter-gate dielectric layer, a channel layer and source/drain regions. A gate is formed over the substrate. An inter-gate dielectric layer is formed over the substrate covering the gate. A doped amorphous silicon layer is formed over a portion of the inter-gate dielectric layer at least covering the gate to serve as channel layer. Next, source/drain regions are formed over the channel layer.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: April 17, 2007
    Assignee: Au Optronics Corporation
    Inventors: Fang-Chen Luo, Wan-Yi Liu, Chieh-Chou Hsu
  • Publication number: 20060197087
    Abstract: A thin film transistor (TFT) and a manufacturing method thereof are provided. The thin film transistor (TFT) comprises a substrate, a gate, an inter-gate dielectric layer, a channel layer and source/drain regions. A gate is formed over the substrate. An inter-gate dielectric layer is formed over the substrate covering the gate. A doped amorphous silicon layer is formed over a portion of the inter-gate dielectric layer at least covering the gate to serve as channel layer. Next, source/drain regions are formed over the channel layer.
    Type: Application
    Filed: January 26, 2006
    Publication date: September 7, 2006
    Inventors: Fang-Chen Luo, Wan-Yi Liu, Chieh-Chou Hsu
  • Publication number: 20050176188
    Abstract: A thin film transistor (TFT) and a manufacturing method thereof are provided. The thin film transistor (TFT) comprises a substrate, a gate, an inter-gate dielectric layer, a channel layer and a source/drain regions. A gate is formed over the substrate. An inter-gate dielectric layer is formed over the substrate covering the gate. A doped amorphous silicon layer is formed over a portion of the inter-gate dielectric layer at least covering the gate to serve as channel layer. Next, source/drain regions are formed over the channel layer.
    Type: Application
    Filed: February 11, 2004
    Publication date: August 11, 2005
    Inventors: Fang-Chen Luo, Wan-Yi Liu, Chieh-Chou Hsu