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: 11961770Abstract: 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: GrantFiled: November 4, 2021Date of Patent: April 16, 2024Assignee: 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: 20230345761Abstract: 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: ApplicationFiled: April 26, 2022Publication date: October 26, 2023Inventors: 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: 11703966Abstract: 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: GrantFiled: August 18, 2021Date of Patent: July 18, 2023Assignee: 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: 20230064478Abstract: 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: ApplicationFiled: August 18, 2021Publication date: March 2, 2023Inventors: 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: 11561635Abstract: 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: GrantFiled: December 23, 2021Date of Patent: January 24, 2023Assignee: 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: 20220357609Abstract: 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: ApplicationFiled: May 6, 2021Publication date: November 10, 2022Inventors: Ming-Chung Liu, Yi-Lung Yang, Sheng-Fa Liu, Chun-Chi Lin, Wei-Chou Chen, Chun-Hung Chu
-
Patent number: 10074302Abstract: 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: GrantFiled: March 31, 2015Date of Patent: September 11, 2018Assignee: Chunghwa Picture Tubes, LTD.Inventors: Sheng-Fa Liu, Ji-Yi Chiou
-
Publication number: 20160336354Abstract: 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: ApplicationFiled: July 21, 2015Publication date: November 17, 2016Inventors: Yi-Wen Chiu, Yen-Wei Liu, Ji-Yi Chiou, Ming-Hsiang Lai, Sheng-Fa Liu, Ching-Yu Huang, Yi-Fan Niu
-
Publication number: 20160293098Abstract: 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: ApplicationFiled: March 31, 2015Publication date: October 6, 2016Inventors: Sheng-Fa Liu, Ji-Yi Chiou
-
Publication number: 20160052250Abstract: 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: ApplicationFiled: October 29, 2014Publication date: February 25, 2016Inventors: Yi-Wen Chiu, Sheng-Fa Liu, Ji-Yi Chiou, Ching-Yu Huang, Ming-Hsiang Lai, Yen-Wei Liu
-
Patent number: 8580164Abstract: 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: GrantFiled: May 5, 2011Date of Patent: November 12, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chun-Yu Shen, Sheng-Fa Liu, Yu-Hsien Chen, Huai-An Li, Bao-Sian Ciou
-
Publication number: 20130265289Abstract: 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: ApplicationFiled: September 13, 2012Publication date: October 10, 2013Inventors: Yu-Hsien CHEN, Huang-Ming Chen, Sheng-Fa Liu, Mei-Tsao Chiang, Bao-Sian Ciou
-
Patent number: 8541288Abstract: 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: GrantFiled: February 25, 2013Date of Patent: September 24, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Der-Chun Wu, Yu-Hsien Chen, Sheng-Fa Liu
-
Patent number: 8471055Abstract: 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: GrantFiled: August 14, 2011Date of Patent: June 25, 2013Assignees: Chunghwa Picture Tubes, Ltd., National Chiao Tung UniversityInventors: 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: 8405234Abstract: 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: GrantFiled: April 6, 2011Date of Patent: March 26, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Der-Chun Wu, Yu-Hsien Chen, Sheng-Fa Liu
-
Publication number: 20120289731Abstract: 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: ApplicationFiled: August 14, 2011Publication date: November 15, 2012Applicants: 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: 8300187Abstract: 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: GrantFiled: March 29, 2011Date of Patent: October 30, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Sheng-Fa Liu, Yu-Hsien Chen, Bao-Sian Ciou, Chun-Yu Shen, Huai-An Li
-
Publication number: 20120242921Abstract: 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: ApplicationFiled: August 4, 2011Publication date: September 27, 2012Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: CHUN-YU SHEN, SHENG-FA LIU, YU-HSIEN CHEN, HUAI-AN LI, BAO-SIAN CIOU
-
Publication number: 20120223985Abstract: 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: ApplicationFiled: June 30, 2011Publication date: September 6, 2012Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Sheng-fa Liu, Ching-ho Li, Huai-an Li, Yu-hsien Chen
-
Publication number: 20120212695Abstract: 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: ApplicationFiled: March 29, 2011Publication date: August 23, 2012Inventors: Sheng-Fa Liu, Yu-Hsien Chen, Bao-Sian Ciou, Chun-Yu Shen, Huai-An Li