Patents by Inventor Ken-Yu Liu
Ken-Yu 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).
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Patent number: 11955329Abstract: A method of forming a semiconductor device includes forming a first conductive feature on a bottom surface of an opening through a dielectric layer. The forming the first conductive feature leaves seeds on sidewalls of the opening. A treatment process is performed on the seeds to form treated seeds. The treated seeds are removed with a cleaning process. The cleaning process may include a rinse with deionized water. A second conductive feature is formed to fill the opening.Type: GrantFiled: April 28, 2023Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Cheng-Wei Chang, Min-Hsiu Hung, Chun-I Tsai, Ken-Yu Chang, Yi-Ying Liu
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Patent number: 11762417Abstract: An optical film includes a rough surface having multiple measuring points constituting multiple virtual measuring planes in a given unit measuring area. A normal to each virtual measuring plane has an angle with a normal to a reference plane. On the reference plane, the projection area of the virtual measuring planes having the angle larger than 20 degrees ranges from 31% to 60% of the projection area of the given unit measuring area. The projection area of the virtual measuring planes having the angle larger than 50 degrees is less than 7% of the projection area of the given unit measuring area. 25% of the measuring points has the height larger than a first height. 75% of the measuring points has the height larger than a second height. The first height and the second height have a difference not less than 0.6 ?m and not larger than 2.5 ?m.Type: GrantFiled: November 6, 2020Date of Patent: September 19, 2023Assignee: AU OPTRONICS CORPORATIONInventors: Shu-Cheng Kung, Ken-Yu Liu, Kuan-Yu Tung
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Publication number: 20230221465Abstract: A display device includes a display module and an anti-glare film on the display module. The anti-glare film includes a first anti-glare layer and a second anti-glare layer. The first anti-glare layer has a plurality of microstructures at an upper surface of the first anti-glare layer. A root-mean-square slope of the microstructures is more than 0 and is 0.2 or less. The second anti-glare layer is between the first anti-glare layer and the display module, and an inner haze of the second anti-glare layer is from 20% to 90%.Type: ApplicationFiled: August 9, 2022Publication date: July 13, 2023Inventors: Shu-Cheng KUNG, Ya-Chen KAO, Ken-Yu LIU
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Publication number: 20230071211Abstract: An anti-glare substrate, an anti-reflection film, and a display device are disclosed. The anti-glare substrate includes a first surface and a second surface disposed on opposite sides. The first surface includes a plurality of protrusion structures. Each protrusion structure includes a plurality of inclined planes. There is an angle ? between the normal direction of each inclined plane and the normal direction of the second surface. The sum of the vertical projection area of the inclined planes with ? less than 2.5° on the second surface is A<2.5, wherein the vertical projection area of the inclined planes is AT, wherein A < 2.5 A T ? 100 ? % ? 3.58 % . The anti-reflection film is for use with an anti-glare substrate. For a first assembly formed by disposing the anti-reflection film on the anti-glare substrate, the reflectances to blue ray, to green ray, and to red ray are close. The display device includes the anti-glare substrate and a display panel.Type: ApplicationFiled: August 4, 2022Publication date: March 9, 2023Inventors: KUAN-YU TUNG, KEN-YU LIU, SHANG WEI HSIEH
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Patent number: 11574496Abstract: A fingerprint recognition device including a light emitting layer, an image sensing layer and a micro-lens layer is provided. The image sensing layer has a plurality of pixels. The micro-lens layer is disposed between the light emitting layer and the image sensing layer and has a plurality of micro lenses respectively corresponding to the pixels. A distance between the micro-lens layer and the light emitting layer is less than or equal to 800 um and greater than or equal to h1, where h1=(x/2×tan ?), x is the minimum distance between two micro lenses respectively corresponding to different pixels on a plane where the micro-lens layer is disposed, and ? is an FWHM light receiving angle of each of the micro lenses.Type: GrantFiled: October 29, 2021Date of Patent: February 7, 2023Assignee: Au Optronics CorporationInventors: Shang-Wei Hsieh, Ken-Yu Liu, Chao-Chien Chiu, Yan-Liang Chen
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Publication number: 20220375250Abstract: A fingerprint recognition device including a light emitting layer, an image sensing layer and a micro-lens layer is provided. The image sensing layer has a plurality of pixels. The micro-lens layer is disposed between the light emitting layer and the image sensing layer and has a plurality of micro lenses respectively corresponding to the pixels. A distance between the micro-lens layer and the light emitting layer is less than or equal to 800 um and greater than or equal to h1, where h1=x/(2×tan ?), x is the minimum distance between two micro lenses respectively corresponding to different pixels on a plane where the micro-lens layer is disposed, and ? is an FWHM light receiving angle of each of the micro lenses.Type: ApplicationFiled: October 29, 2021Publication date: November 24, 2022Applicant: Au Optronics CorporationInventors: Shang-Wei Hsieh, Ken-Yu Liu, Chao-Chien Chiu, Yan-Liang Chen
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Publication number: 20210240222Abstract: An optical film includes a rough surface having multiple measuring points constituting multiple virtual measuring planes in a given unit measuring area. A normal to each virtual measuring plane has an angle with a normal to a reference plane. On the reference plane, the projection area of the virtual measuring planes having the angle larger than 20 degrees ranges from 31% to 60% of the projection area of the given unit measuring area. The projection area of the virtual measuring planes having the angle larger than 50 degrees is less than 7% of the projection area of the given unit measuring area. 25% of the measuring points has the height larger than a first height. 75% of the measuring points has the height larger than a second height. The first height and the second height have a difference not less than 0.6 ?m and not larger than 2.5 ?m.Type: ApplicationFiled: November 6, 2020Publication date: August 5, 2021Inventors: Shu-Cheng KUNG, Ken-Yu LIU, Kuan-Yu TUNG
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Patent number: 10121424Abstract: A display device includes a first substrate, a second substrate, a display medium, a first pixel electrode, a second pixel electrode and a transparent electrode. Sub-pixel units are defined on the first substrate and the second substrate. A sub-pixel unit has a first sub-pixel and a second sub-pixel. The transparent electrode is disposed on the second substrate, and the transparent electrode receives a first common potential and a second common potential. When grey levels displayed by the first sub-pixel and the second sub-pixel are in the range of about 96 to 180, a potential difference between the first common potential received when the first sub-pixel has the maximum brightness and the second common potential received when the second sub-pixel has the minimum brightness is in the range of about 0 mV to 100 mV.Type: GrantFiled: May 22, 2017Date of Patent: November 6, 2018Assignee: AU OPTRONICS CORPORATIONInventors: Yueh-Hung Chung, Hsueh-Ying Huang, Wei-Chun Wei, Shu-Cheng Kung, Ken-Yu Liu, Ya-Ling Hsu, Chen-Hsien Liao
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Publication number: 20180137827Abstract: A display device includes a first substrate, a second substrate, a display medium, a first pixel electrode, a second pixel electrode and a transparent electrode. Sub-pixel units are defined on the first substrate and the second substrate. A sub-pixel unit has a first sub-pixel and a second sub-pixel. The transparent electrode is disposed on the second substrate, and the transparent electrode receives a first common potential and a second common potential. When grey levels displayed by the first sub-pixel and the second sub-pixel are in the range of about 96 to 180, a potential difference between the first common potential received when the first sub-pixel has the maximum brightness and the second common potential received when the second sub-pixel has the minimum brightness is in the range of about 0 mV to 100 mV.Type: ApplicationFiled: May 22, 2017Publication date: May 17, 2018Inventors: Yueh-Hung CHUNG, Hsueh-Ying HUANG, Wei-Chun WEI, Shu-Cheng KUNG, Ken-Yu LIU, Ya-Ling HSU, Chen-Hsien LIAO
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Publication number: 20170337898Abstract: A display device having a light adjusting module and a control method thereof are provided. The display device includes a light source module, a light adjusting module, a display panel, and an eye detection device. The light source module has a light emitting surface. The light adjusting module has a plurality of predetermined positions, which is disposed on one side of the light source module corresponding to the light emitting surface. The display panel is disposed on the other side of the light adjusting module with respect to the light source module and has a display surface. The eye detection device is adjacent to the display surface for detecting an eye position of a user located in front of the display panel. The light adjusting module is capable of adjusting an optical property of the plurality of predetermined positions in accordance with the detected eye position and a light field of the light source module.Type: ApplicationFiled: May 4, 2017Publication date: November 23, 2017Inventors: Shu-Wen LIAO, Kuan-Yu Tung, Ken-Yu Liu
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Patent number: 8823785Abstract: A display system including a display apparatus for displaying a first image and a second image, two first lenses and two second lenses is provided. When a viewer sees the display apparatus via one first lenses and one second lenses, and the first image as well as the second image are parallax images, the first and second images are respectively saw by different eyes of the viewer. When the viewer sees the display apparatus through the two first lenses, and the first image as well as the second image are not parallax images, the first image irrelevant to the second image is saw by the viewer. When the viewer sees the display apparatus through the two second lenses, and the first image as well as the second image are not parallax images, the second image irrelevant to the first image is saw by the viewer.Type: GrantFiled: March 1, 2011Date of Patent: September 2, 2014Assignee: Au Optronics CorporationInventors: Wei-Ching Hsu, Cheng-Han Tsao, Ken-Yu Liu, Chia-Chih Kao, Chao-Yuan Chen
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Patent number: 8456580Abstract: A three-dimensional display including a display panel and a phase retardation film is provided. The display panel has a plurality of first pixel regions and a plurality of second pixel regions arranged in arrays. The phase retardation film is configured on a surface of the display panel. Here, the phase retardation film has a plurality of first retardation regions and a plurality of second retardation regions that are arranged alternately. The first retardation regions have the same phase retardation, the second retardation regions have the same phase retardation, and the phase retardation of the first retardation regions is different from that of the second retardation regions. All the regions of the phase retardation film have the same optical transmittance. A displaying method adaptable to the three-dimensional display is also provided.Type: GrantFiled: May 16, 2011Date of Patent: June 4, 2013Assignee: Au Optronics CorporationInventors: Li Chen, Chia-Chih Kao, Chao-Yuan Chen, Ken-Yu Liu, Wen-Hao Hsu, Jenn-Jia Su
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Publication number: 20120169714Abstract: A display system including a display apparatus for displaying a first image and a second image, two first lenses and two second lenses is provided. When a viewer sees the display apparatus via one first lenses and one second lenses, and the first image as well as the second image are parallax images, the first and second images are respectively saw by different eyes of the viewer. When the viewer sees the display apparatus through the two first lenses, and the first image as well as the second image are not parallax images, the first image irrelevant to the second image is saw by the viewer. When the viewer sees the display apparatus through the two second lenses, and the first image as well as the second image are not parallax images, the second image irrelevant to the first image is saw by the viewer.Type: ApplicationFiled: March 1, 2011Publication date: July 5, 2012Applicant: Au Optronics CorporationInventors: Wei-Ching Hsu, Cheng-Han Tsao, Ken-Yu Liu, Chia-Chih Kao, Chao-Yuan Chen
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Publication number: 20110216253Abstract: A three-dimensional display including a display panel and a phase retardation film is provided. The display panel has a plurality of first pixel regions and a plurality of second pixel regions arranged in arrays. The phase retardation film is configured on a surface of the display panel. Here, the phase retardation film has a plurality of first retardation regions and a plurality of second retardation regions that are arranged alternately. The first retardation regions have the same phase retardation, the second retardation regions have the same phase retardation, and the phase retardation of the first retardation regions is different from that of the second retardation regions. All the regions of the phase retardation film have the same optical transmittance. A displaying method adaptable to the three-dimensional display is also provided.Type: ApplicationFiled: May 16, 2011Publication date: September 8, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Li Chen, Chia-Chih Kao, Chao-Yuan Chen, Ken-Yu Liu, Wen-Hao Hsu, Jenn-Jia Su
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Publication number: 20110157500Abstract: An exemplary stereoscopic display device includes a backlight module, a display panel, and a polarizer panel. The backlight module provides a light source for the stereoscopic display device. The display panel is used for displaying a received image. The polarizer panel includes a plurality of polarizer elements. The states of the polarizer elements are switched by an ON/OFF operation for switching a polarization angle of the polarizer panel. The ON/OFF operation of the polarizer panel includes an enabled time interval and a disabled time interval. The polarizer elements provide two different polarization angles respectively in the enabled and disabled time intervals. The enabled time interval and the disabled time interval have different time lengths from each other. A stereoscopic image displaying method is also disclosed.Type: ApplicationFiled: December 27, 2010Publication date: June 30, 2011Applicant: AU OPTRONICS CORP.Inventors: Ken-Yu Liu, Cheng-Lung Wu, Chao-Yuan Chen, Jenn-Jia Su