Patents by Inventor Sheng-Fa Liu

Sheng-Fa 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: 11961770
    Abstract: Some embodiments of the present disclosure relate to a processing tool. The tool includes a housing enclosing a processing chamber, and an input/output port configured to pass a wafer through the housing into and out of the processing chamber. A back-side macro-inspection system is arranged within the processing chamber and is configured to image a back side of the wafer. A front-side macro-inspection system is arranged within the processing chamber and is configured to image a front side of the wafer according to a first image resolution. A front-side micro-inspection system is arranged within the processing chamber and is configured to image the front side of the wafer according to a second image resolution which is higher than the first image resolution.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Han Lin, Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Sheng-Hsiang Chuang, Surendra Kumar Soni, Shou-Wen Kuo, Wu-An Weng, Gary Tsai, Chien-Ko Liao, Ya Hsun Hsueh, Becky Liao, Ethan Yu, Ming-Chi Tsai, Kuo-Yi Liu
  • Publication number: 20230345761
    Abstract: The present invention relates to an optical stack and an organic light emitting diode display including the optical stack, wherein the optical stack has an adhesive layer. The adhesive layer is disposed between a cover plate and a circular polarizer component, between the circular polarizer component and a touch component, or between the touch component and a display component. Wherein, a storage modulus at 60° C. of the adhesive layer is between 15 kPa and 30 kPa, and a ratio of a storage modulus at ?30° C. to the storage modulus at 60° C. of the adhesive layer is between 6 and 16.
    Type: Application
    Filed: April 26, 2022
    Publication date: October 26, 2023
    Inventors: Po-Yu HSIAO, Sheng-Fa LIU, Yi-Lung YANG, Wei-Chou CHEN, Ming-Chung LIU, Ya-Chin CHANG, Che-Wei YEN, Ho-Chien WU
  • Patent number: 11703966
    Abstract: A touch display module includes a touch device and a polarizing element. The polarizing element includes a polarizer and a retardation film assembly. The retardation film assembly has a polarization ellipticity value (e-value), and the absolute value of the e-value is greater than 0.8. A reflection rate of the polarizing element is less than 6%, and a total reflection rate of the touch device and the polarizing element is less than 7%.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: July 18, 2023
    Assignee: TPK Advanced Solutions Inc.
    Inventors: Ming Chung Liu, Yi Lung Yang, Ya Chin Chang, Po Yu Hsiao, Sheng Fa Liu, Wei Chou Chen, Xue Fen Wang, Yong Bin Ke, Chia Jui Lin, Shao Jie Liu, Xue Long Zhang, Xian Bin Xu
  • Publication number: 20230064478
    Abstract: A touch display module includes a touch device and a polarizing element. The polarizing element includes a polarizer and a retardation film assembly. The retardation film assembly has a polarization ellipticity value (e-value), and the absolute value of the e-value is greater than 0.8. A reflection rate of the polarizing element is less than 6%, and a total reflection rate of the touch device and the polarizing element is less than 7%.
    Type: Application
    Filed: August 18, 2021
    Publication date: March 2, 2023
    Inventors: Ming Chung Liu, Yi Lung Yang, Ya Chin Chang, Po Yu Hsiao, Sheng Fa Liu, Wei Chou Chen, Xue Fen Wang, Yong Bin Ke, Chia Jui Lin, Shao Jie Liu, Xue Long Zhang, Xian Bin Xu
  • Patent number: 11561635
    Abstract: An integrated touch module and a touch display device are provided. The integrated touch module has a touch sensing structure formed on a polymer film. The polymer film, a liquid crystal phase retardation layer, and a linear polarizing layer constitute a circular polarizing element. The average reflectance of the circular polarizing element in the visible light range is less than 5%, and the standard deviation of the reflectance is less than 0.2%. The touch display device includes the integrated touch module.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: January 24, 2023
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ming-Chung Liu, Yi-Lung Yang, Ya-Chin Chang, Po-Yu Hsiao, Xue-Fen Wang, Sheng-Fa Liu, Wei-Chou Chen
  • Publication number: 20220357609
    Abstract: A touch element includes a polymer phase retardation layer and a touch sensing structure. The polymer phase retardation layer receives the linearly polarized incident light and then produces a phase difference. The touch sensing structure is disposed on the polymer phase retardation layer.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 10, 2022
    Inventors: Ming-Chung Liu, Yi-Lung Yang, Sheng-Fa Liu, Chun-Chi Lin, Wei-Chou Chen, Chun-Hung Chu
  • Patent number: 10074302
    Abstract: A display apparatus including a first substrate, a second substrate opposite to the first substrate, a pixel array disposed between the first substrate and the second substrate and a photoelectric conversion array disposed between the pixel array and the second substrate is provided. The pixel array includes sub-pixel units. An initial light from each of the sub-pixel units is converted into an electrical energy and a display light by the photoelectric conversion array. The electrical energy is stored and the display light passes through the second substrate to display an image. Display lights presented by two adjacent sub-pixel units have different wavelengths. The photoelectric conversion array includes photoelectric conversion cells. An area of each of the photoelectric conversion cells covers the two adjacent sub-pixel units and partially overlaps an area of another photoelectric conversion cell.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: September 11, 2018
    Assignee: Chunghwa Picture Tubes, LTD.
    Inventors: Sheng-Fa Liu, Ji-Yi Chiou
  • Publication number: 20160336354
    Abstract: A display panel includes an active device array substrate, an opposite substrate, a display medium and a sealant. The active device array substrate includes a substrate, an active device array, a passivation layer and an enhancement layer. A material of the enhancement layer is different from a material of the passivation layer. The opposite substrate is disposed opposite to the active device array substrate. The display medium is disposed between the active device array substrate and the opposite substrate. The sealant is disposed between the active device array substrate and the opposite substrate and surrounds the display medium. An end of the sealant directly contacts the enhancement layer, and a material of the enhancement layer is the same as a material of the sealant.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 17, 2016
    Inventors: Yi-Wen Chiu, Yen-Wei Liu, Ji-Yi Chiou, Ming-Hsiang Lai, Sheng-Fa Liu, Ching-Yu Huang, Yi-Fan Niu
  • Publication number: 20160293098
    Abstract: A display apparatus including a first substrate, a second substrate opposite to the first substrate, a pixel array disposed between the first substrate and the second substrate and a photoelectric conversion array disposed between the pixel array and the second substrate is provided. The pixel array includes sub-pixel units. An initial light from each of the sub-pixel units is converted into an electrical energy and a display light by the photoelectric conversion array. The electrical energy is stored and the display light passes through the second substrate to display an image. Display lights presented by two adjacent sub-pixel units have different wavelengths. The photoelectric conversion array includes photoelectric conversion cells. An area of each of the photoelectric conversion cells covers the two adjacent sub-pixel units and partially overlaps an area of another photoelectric conversion cell.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 6, 2016
    Inventors: Sheng-Fa Liu, Ji-Yi Chiou
  • Publication number: 20160052250
    Abstract: A frit encapsulation apparatus includes a carriage, a mask, a laser light source and a pressure element. The carriage is disposed over a first substrate. The mask is disposed in the carriage and has a light-transmitting region. The laser light source is disposed in the carriage and over the mask and is configured to provide laser light through the light-transmitting region of the mask and the first substrate therebeneath to heat the frit beneath the first substrate. The pressure element is disposed beneath the carriage and is configured to provide a pressure to the first substrate, such that the first substrate is adhered to a second substrate by the heated frit, in which the pressure element is not overlapped with a vertical projection of the light-transmitting region on the first substrate.
    Type: Application
    Filed: October 29, 2014
    Publication date: February 25, 2016
    Inventors: Yi-Wen Chiu, Sheng-Fa Liu, Ji-Yi Chiou, Ching-Yu Huang, Ming-Hsiang Lai, Yen-Wei Liu
  • Patent number: 8580164
    Abstract: A method of manufacturing a mold includes following steps. Providing a solution, which includes a solvent, a solute and a plurality of nanoparticles. Providing a first substrate. Spin coating the solution on the first substrate, and then vaporizing the solvent to form a first mold on the first substrate. Thus, an upper surface of the first mold has a plurality of first porous structures. The present invention further includes forming an optical film having protrusion patterns with the aforementioned mold.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: November 12, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Chun-Yu Shen, Sheng-Fa Liu, Yu-Hsien Chen, Huai-An Li, Bao-Sian Ciou
  • Publication number: 20130265289
    Abstract: A cholesteric liquid crystal display device includes a first substrate, a second substrate, a cholesteric liquid crystal layer and a plurality of nano particles. The first substrate includes a first alignment layer. The second substrate includes a second alignment layer. The cholesteric liquid crystal layer is disposed between the first and second alignment layers. The nano particles are disposed on a surface of one of the first and second alignment layers, and located between the one of the first and second alignment layers and the cholesteric liquid crystal layer.
    Type: Application
    Filed: September 13, 2012
    Publication date: October 10, 2013
    Inventors: Yu-Hsien CHEN, Huang-Ming Chen, Sheng-Fa Liu, Mei-Tsao Chiang, Bao-Sian Ciou
  • Patent number: 8541288
    Abstract: A manufacturing method for a TFT array substrate includes providing a substrate; defining a plurality of normal alignment regions and a plurality of abnormal alignment regions on the substrate; forming an insulating layer and a transparent conductive layer on the substrate; performing a patterning process to at least one of the insulating layer and the transparent conductive layer to form a plurality of alignment structures in each abnormal alignment region; forming an alignment material layer on the substrate, the alignment material layer having a plurality of first alignment slits formed along the alignment structures in each of the abnormal alignment regions; and performing a rubbing alignment process to form a plurality of second alignment slits on the alignment material layer in each of the normal alignment regions along a alignment direction.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: September 24, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Der-Chun Wu, Yu-Hsien Chen, Sheng-Fa Liu
  • Patent number: 8471055
    Abstract: The present invention relates to photo-crosslinkable liquid crystal monomers with optical activity. The liquid crystal monomers contains one chiral center with an acrylate group or terminal diacrylate groups, and terminal dibenzene rings are introduced in order to extend its hard segment for the purpose of getting a wider liquid crystalline phase. By introducing the liquid crystal monomers, the room temperature nematic liquid crystal or the cholesteric liquid crystal may have a better mutual solubility and a wider, steadier structure of liquid crystal.
    Type: Grant
    Filed: August 14, 2011
    Date of Patent: June 25, 2013
    Assignees: Chunghwa Picture Tubes, Ltd., National Chiao Tung University
    Inventors: Yu-hsien Chen, Sheng-fa Liu, Huai-an Li, Sin-min Fuh, Hong-cheu Lin, Huang-ming Chen, Po-jen Yang, Shin-chieh Chien
  • Patent number: 8405234
    Abstract: A thin film transistor (TFT) array substrate includes a substrate having a plurality of normal alignment regions, a plurality of abnormal alignment regions, and a device region defined thereon, a plurality of scan lines, a plurality of data lines, a plurality of storage electrode lines, and a plurality of switch devices positioned in the device region, a plurality of alignment structures positioned in the abnormal alignment regions, and an alignment layer formed on the substrate and the alignment structures. The alignment layer further includes a plurality of first alignment slits covering the alignment structures in the abnormal alignment regions and a plurality of second alignment slits in the normal alignment regions. A depth and a width of the second alignment slits are identical to a depth and a width of the first alignment slits.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: March 26, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Der-Chun Wu, Yu-Hsien Chen, Sheng-Fa Liu
  • Publication number: 20120289731
    Abstract: The present invention relates to photo-crosslinkable liquid crystal monomers with optical activity. The liquid crystal monomers contains one chiral center with an acrylate group or terminal diacrylate groups, and terminal dibenzene rings are introduced in order to extend its hard segment for the purpose of getting a wider liquid crystalline phase. By introducing the liquid crystal monomers, the room temperature nematic liquid crystal or the cholesteric liquid crystal may have a better mutual solubility and a wider, steadier structure of liquid crystal.
    Type: Application
    Filed: August 14, 2011
    Publication date: November 15, 2012
    Applicants: National Chiao Tung University, CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Yu-hsien CHEN, Sheng-fa LIU, Huai-an LI, Sin-min FUH, Hong-cheu LIN, Huang-ming CHEN, Po-jen YANG, Shin-chieh CHIEN
  • Patent number: 8300187
    Abstract: A reflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment layer, and a second alignment layer. The first substrate and the second substrate are disposed oppositely to each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The liquid crystal layer includes a plurality of liquid crystal molecules for reflecting light within a wavelength range and allowing light beyond the wavelength range to pass through. The second alignment layer is disposed on an inner side of the first substrate facing the second substrate, and the second alignment layer is employed to absorb the light passing through the liquid crystal layer and align the liquid crystal molecules.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: October 30, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Sheng-Fa Liu, Yu-Hsien Chen, Bao-Sian Ciou, Chun-Yu Shen, Huai-An Li
  • Publication number: 20120242921
    Abstract: A thin film transistor (TFT) array substrate includes a substrate and a pixel array. The pixel array is disposed on the substrate and includes a plurality of transistors and a plurality of reflective electrodes. Each transistor includes a gate, a drain, a source, and a channel layer. In each transistor, the channel layer is located between the gate and the drain, and between the gate and the source. The channel layer is partially overlapped with the gate, the drain and the source. The reflective electrodes are electrically connected to the drains respectively. Each reflective electrode includes a plurality of dyeing particles and a conductive layer. The dyeing particles are distributed in the conductive layer.
    Type: Application
    Filed: August 4, 2011
    Publication date: September 27, 2012
    Applicant: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: CHUN-YU SHEN, SHENG-FA LIU, YU-HSIEN CHEN, HUAI-AN LI, BAO-SIAN CIOU
  • Publication number: 20120223985
    Abstract: Disclosed is an ink-jet device applicable to various ink-jet equipments. The device includes an ink reservoir, an ink chamber, pressure generating units and an ink-jet head. The ink-jet head has dielectric layers coated on an inner surface and an outer surface thereof. By applying a voltage to the dielectric layers, the dielectric layers are changed to be hydrophobic or hydrophilic, so as to reduce residual ink accumulated in the ink-jet head during the ink-jetting process, hence improving ink-jetting accuracy.
    Type: Application
    Filed: June 30, 2011
    Publication date: September 6, 2012
    Applicant: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Sheng-fa Liu, Ching-ho Li, Huai-an Li, Yu-hsien Chen
  • Publication number: 20120212695
    Abstract: A reflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment layer, and a second alignment layer. The first substrate and the second substrate are disposed oppositely to each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The liquid crystal layer includes a plurality of liquid crystal molecules for reflecting light within a wavelength range and allowing light beyond the wavelength range to pass through. The second alignment layer is disposed on an inner side of the first substrate facing the second substrate, and the second alignment layer is employed to absorb the light passing through the liquid crystal layer and align the liquid crystal molecules.
    Type: Application
    Filed: March 29, 2011
    Publication date: August 23, 2012
    Inventors: Sheng-Fa Liu, Yu-Hsien Chen, Bao-Sian Ciou, Chun-Yu Shen, Huai-An Li