Patents by Inventor Tzeng-Ke Shiau
Tzeng-Ke Shiau 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: 11947217Abstract: A backlight module including a light guide plate, a light source, a diffuse reflector and a light-splitting film is provided. The light guide plate has a light incident surface, and a light-emitting surface and a bottom surface which are respectively connected to the light incident surface and opposite to each other. The light source is disposed on one side of the light incident surface of the light guide plate. The diffuse reflector is disposed on one side of the bottom surface of the light guide plate. The light-splitting film is disposed between the light guide plate and the diffuse reflector. The light-splitting film has a substrate and a plurality of first optical microstructures disposed on one side of the substrate. An extending direction of the first optical microstructures intersects with the light incident surface of the light guide plate. A display apparatus using the backlight module is also provided.Type: GrantFiled: October 23, 2022Date of Patent: April 2, 2024Assignee: Coretronic CorporationInventors: Tzeng-Ke Shiau, Yi-Cheng Lin, Chia-Liang Kang
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Publication number: 20240085614Abstract: An anti-peep light source module includes a light source module and a viewing angle switching module. The light source module has a light source and a light guide plate (LGP) and has light emitting elements arranged along a first direction. The viewing angle switching module is located on a transmission path of an illumination beam of the light source module and includes a viewing angle limiting element and a viewing angle adjusting element configured to change a viewing angle of the illumination beam. The viewing angle limiting element has a grating structure and is located between the viewing angle adjusting element and the light source module. an included angle between an extension direction of the grating structure and the first direction is within a range from 88 degrees to 92 degrees. The anti-peep light source module and A display device achieve favorable optical performance, user experience, and production yield.Type: ApplicationFiled: September 8, 2023Publication date: March 14, 2024Applicant: Coretronic CorporationInventors: Yi-Cheng Lin, Chih-Hsuan Kuo, Sung-Chun Hsu, Ming-Hsiung Fan, Tzeng-Ke Shiau
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Publication number: 20240069387Abstract: A display device includes a touch panel, an optical adhesive layer, and a front light module that includes a light source and a light guide plate (LGP) including multiple microstructures recessed into the LGP from a first surface of the LGP to form voids. The optical adhesive layer is adhered between the touch panel and a first surface of the LGP. A surface of the optical adhesive layer facing the LGP is in contact with the first surface of the LGP in multiple first regions, and a surface of the optical adhesive layer facing the LGP and the plurality of microstructures being overlapped in multiple second regions. A maximum vertical distance between each void and the first surface is a first depth. A vertical distance between the first regions and the second regions is 0 to 0.7 times the first depth.Type: ApplicationFiled: July 12, 2023Publication date: February 29, 2024Applicant: Coretronic CorporationInventors: Tzeng-Ke Shiau, Yu-Feng Lin, Ying-Shun Syu, Che-Jui Hsu
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Patent number: 11852859Abstract: A light source module includes a light guide plate, a light-emitting element, and first and second prism sheets. One of the light-emitting surface and the bottom surface of the light guide plate has strip-shaped microstructures. The bottom surface has bottom microstructures, and the angle between the first surface of each bottom microstructure and the bottom surface is 1° to 17°. The first prism sheet is disposed on the light-emitting surface and between the light-emitting surface and the second prism sheet and includes first prism rods. The second prism sheet includes second prism rods. The aspect ratio of the strip-shaped microstructure is greater than 0.2. The angle between the maximum luminance direction of the light from the light-emitting surface and the normal direction of the light-emitting surface is less than 70°. The light-emitting angle range is less than 40°. A display device including the light source module is also provided.Type: GrantFiled: February 22, 2023Date of Patent: December 26, 2023Assignee: Coretronic CorporationInventors: Tzeng-Ke Shiau, Yi-Cheng Lin, Chia-Liang Kang, Shih-Wei Liu, Wei-Chun Yang, Cheng-Yi Tseng
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Publication number: 20230288753Abstract: A backlight module including a first light guide plate, a first light source, a diffusor, a second light guide plate, a second light source, a viewing angle control film, and a first prism sheet is provided. The diffusor is disposed on one side of a first light emitting surface of the first light guide plate. The second light guide plate is disposed on one side of a first bottom surface of the first light guide plate. A second light emitting surface of the second light guide plate faces the first bottom surface. The second light source is disposed on one side of a second light incident surface of the second light guide plate. The viewing angle control film is disposed between the first light guide plate and the second light guide plate. The first prism sheet is disposed between the viewing angle control film and the first light guide plate.Type: ApplicationFiled: March 7, 2023Publication date: September 14, 2023Applicant: Coretronic CorporationInventors: Tzeng-Ke Shiau, Shih-Yen Cheng, Jung-Wei Chang, Chun-Wei Lee
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Publication number: 20230280521Abstract: A light source module includes a light guide plate, a light-emitting element, and first and second prism sheets. One of the light-emitting surface and the bottom surface of the light guide plate has strip-shaped microstructures. The bottom surface has bottom microstructures, and the angle between the first surface of each bottom microstructure and the bottom surface is 1° to 17°. The first prism sheet is disposed on the light-emitting surface and between the light-emitting surface and the second prism sheet and includes first prism rods. The second prism sheet includes second prism rods. The aspect ratio of the strip-shaped microstructure is greater than 0.2. The angle between the maximum luminance direction of the light from the light-emitting surface and the normal direction of the light-emitting surface is less than 70°. The light-emitting angle range is less than 40°. A display device including the light source module is also provided.Type: ApplicationFiled: February 22, 2023Publication date: September 7, 2023Inventors: TZENG-KE SHIAU, YI-CHENG LIN, CHIA-LIANG KANG, SHIH-WEI LIU, WEI-CHUN YANG, CHENG-YI TSENG
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Publication number: 20230213697Abstract: A backlight module includes a light guide plate, a light source, multiple first optical microstructures, and multiple second optical microstructures. The first optical microstructures and the second optical microstructures are disposed on the bottom surface of the light guide plate. Each of the first optical microstructures has a first light receiving surface facing the light source. Each of the second optical microstructures has a second light receiving surface facing the light source. A first angle is included between the first light receiving surface and the bottom surface. A second angle is included between the second light receiving surface and the bottom surface. The second angle is different from the first angle. A display apparatus adopting the backlight module is also provided.Type: ApplicationFiled: December 20, 2022Publication date: July 6, 2023Applicant: Coretronic CorporationInventors: Tzeng-Ke Shiau, Hsuan Chou, Hung-Li Pan, Yi-Cheng Lin, Chia-Liang Kang, Shih-Wei Liu, Wei-Chun Yang, Cheng-Yi Tseng
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Publication number: 20230130456Abstract: A backlight module including a light guide plate, a light source, a diffuse reflector and a light-splitting film is provided. The light guide plate has a light incident surface, and a light-emitting surface and a bottom surface which are respectively connected to the light incident surface and opposite to each other. The light source is disposed on one side of the light incident surface of the light guide plate. The diffuse reflector is disposed on one side of the bottom surface of the light guide plate. The light-splitting film is disposed between the light guide plate and the diffuse reflector. The light-splitting film has a substrate and a plurality of first optical microstructures disposed on one side of the substrate. An extending direction of the first optical microstructures intersects with the light incident surface of the light guide plate. A display apparatus using the backlight module is also provided.Type: ApplicationFiled: October 23, 2022Publication date: April 27, 2023Applicant: Coretronic CorporationInventors: Tzeng-Ke Shiau, Yi-Cheng Lin, Chia-Liang Kang
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Patent number: 11487056Abstract: A light guide plate includes a light incident surface and a bottom surface arranged adjacently. The bottom surface is provided with a plurality of first columnar structures. Each of the first columnar structures extends along a first direction from a vicinity of the light incident surface and toward away from the light incident surface. An accommodating space is formed between any two adjacent first columnar structures. A side of these first columnar structures away from the bottom surface is provided with a plurality of light exit microstructures. The light guide plate has an effect of preventing scratches. A backlight module includes the light guide plate mentioned above and a light source.Type: GrantFiled: June 15, 2021Date of Patent: November 1, 2022Assignee: Coretronic CorporationInventors: Tzeng-Ke Shiau, Shih-Wei Liu
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Publication number: 20220230596Abstract: A display device is provided. At least one base color of a red base color, a green base color, and a blue base color of the display device is formed by mixing at least two primary colors of the three primary colors. The display device of the invention may decrease the issue of color distortion.Type: ApplicationFiled: January 5, 2022Publication date: July 21, 2022Applicant: Coretronic CorporationInventors: Tzeng-Ke Shiau, Chin-Lung Chen
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Patent number: 11294117Abstract: An electronic device with a display screen includes a first body and a first display screen. The first body has an operation surface, the operation surface has a first side and a second side opposite to the first side, and the first side is defined as a user side. The first display screen is disposed in the first body, and the operation surface exposes the first display screen. The first display screen includes a backlight module and a display panel. The backlight module includes a light guide plate, a light source, and has only one prism sheet. The light guide plate has a light incident surface and a light exit surface, and the light incident surface faces the second side. The light source is disposed between the light incident surface and the second side. The prism sheet is disposed between the light exit surface and the display panel.Type: GrantFiled: January 22, 2020Date of Patent: April 5, 2022Assignee: Coretronic CorporationInventors: Cheng-Tsung Li, Tzeng-Ke Shiau, Bing-Han Tsai
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Patent number: 11280950Abstract: A backlight module includes a light guide plate, a light source and a surface deposition layer. The light guide plate has a light incident surface, an opposite surface opposite the light incident surface, and a light exit surface connected between the light incident surface and the opposite surface. The light source is disposed adjacent to the light incident surface, and a surface deposition layer is at least provided on a part of the opposite surface and a part of the light exit surface. The surface deposition layer includes an opaque material or a low light-transmittance material and has a thickness of smaller than 0.1 mm.Type: GrantFiled: December 8, 2020Date of Patent: March 22, 2022Assignee: CORETRONIC CORPORATIONInventors: Yi-Cheng Lin, Cheng-Tsung Li, Tsung-Wen Chiu, Tzeng-Ke Shiau
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Publication number: 20210396924Abstract: A light guide plate includes a light incident surface and a bottom surface arranged adjacently. The bottom surface is provided with a plurality of first columnar structures. Each of the first columnar structures extends along a first direction from a vicinity of the light incident surface and toward away from the light incident surface. An accommodating space is formed between any two adjacent first columnar structures. A side of these first columnar structures away from the bottom surface is provided with a plurality of light exit microstructures. The light guide plate has an effect of preventing scratches. A backlight module includes the light guide plate mentioned above and a light source.Type: ApplicationFiled: June 15, 2021Publication date: December 23, 2021Inventors: TZENG-KE SHIAU, SHIH-WEI LIU
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Publication number: 20210181400Abstract: A backlight module includes a light guide plate, a light source and a surface deposition layer. The light guide plate has a light incident surface, an opposite surface opposite the light incident surface, and a light exit surface connected between the light incident surface and the opposite surface. The light source is disposed adjacent to the light incident surface, and a surface deposition layer is at least provided on a part of the opposite surface and a part of the light exit surface. The surface deposition layer includes an opaque material or a low light-transmittance material and has a thickness of smaller than 0.1 mm.Type: ApplicationFiled: December 8, 2020Publication date: June 17, 2021Inventors: Yi-Cheng LIN, Cheng-Tsung LI, Tsung-Wen CHIU, Tzeng-Ke SHIAU
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Publication number: 20200241193Abstract: An electronic device with a display screen includes a first body and a first display screen. The first body has an operation surface, the operation surface has a first side and a second side opposite to the first side, and the first side is defined as a user side. The first display screen is disposed in the first body, and the operation surface exposes the first display screen. The first display screen includes a backlight module and a display panel. The backlight module includes a light guide plate, a light source, and has only one prism sheet. The light guide plate has a light incident surface and a light exit surface, and the light incident surface faces the second side. The light source is disposed between the light incident surface and the second side. The prism sheet is disposed between the light exit surface and the display panel.Type: ApplicationFiled: January 22, 2020Publication date: July 30, 2020Inventors: CHENG-TSUNG LI, TZENG-KE SHIAU, BING-HAN TSAI
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Patent number: 10571622Abstract: A light guide plate is provided in the invention. The light guide plate has a light incident surface, a bottom surface and a light exit surface. The bottom surface is opposite to the light exit surface. The light incident surface is connected between the bottom surface and the light exit surface. The light guide plate includes a plurality of light guide units and a plurality of microstructure units. The plurality of light guide units are convex to the bottom surface and arranged to be disposed along a direction parallel to the light incident surface. The plurality of light guide units is connected to each other on the light incident surface. The plurality of microstructure units are disposed corresponding to the plurality of light guide units respectively. Each of the microstructure units includes a plurality of microstructures. The invention further provides a backlight module having this light guide plate.Type: GrantFiled: October 15, 2018Date of Patent: February 25, 2020Assignee: Coretronic CorporationInventors: Tzeng-Ke Shiau, Chao-Min Yang
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Publication number: 20190113673Abstract: A light guide plate is provided in the invention. The light guide plate has a light incident surface, a bottom surface and a light exit surface. The bottom surface is opposite to the light exit surface. The light incident surface is connected between the bottom surface and the light exit surface. The light guide plate includes a plurality of light guide units and a plurality of microstructure units. The plurality of light guide units are convex to the bottom surface and arranged to be disposed along a direction parallel to the light incident surface. The plurality of light guide units is connected to each other on the light incident surface. The plurality of microstructure units are disposed corresponding to the plurality of light guide units respectively. Each of the microstructure units includes a plurality of microstructures. The invention further provides a backlight module having this light guide plate.Type: ApplicationFiled: October 15, 2018Publication date: April 18, 2019Inventors: TZENG-KE SHIAU, CHAO-MIN Yang
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Patent number: 10107954Abstract: An electro-optical apparatus including an electronic apparatus and at least one light-emitting module is provided. The electronic apparatus has a containing area. The light-emitting module is disposed in the containing area and includes at least one light-emitting element, a taper light guide element, and a strip light guide element. The light-emitting element emits at least one beam. The taper light guide element is disposed on the transmission path of the beam and has a first end and a second end opposite to each other. The taper light guide element tapers off from the first end toward the second end. The first end is adjacent to the light-emitting element. The strip light guide element is disposed on the transmission path of the beam from the taper light guide element. The second end is adjacent to the strip light guide element. A scene apparatus is also provided.Type: GrantFiled: January 18, 2016Date of Patent: October 23, 2018Assignee: Young Lighting Technology Inc.Inventors: Chih-Jen Tsang, Tzeng-Ke Shiau
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Patent number: 9798061Abstract: A display device includes a housing, a frame bonded to the housing, and a display module. The display module includes a back cover bonded to the frame, a light guide plate (LGP), a support element, a display panel, and an optical film set. The LGP is supported on the back cover and has a light exiting surface and an opposite back surface. At least two sides of the LGP's back surface are adhered on the back cover, and the LGP is made of glass. The support element and display panel are supported respectively on the LGP and support element. The optical film set is between the display panel and LGP. A hybrid LGP includes a first light guide sub-plates and a second light guide sub-plate. The second light guide sub-plate is stacked on and bonded to the first light guide sub-plate.Type: GrantFiled: July 26, 2013Date of Patent: October 24, 2017Assignee: YOUNG LIGHTING TECHNOLOGY INC.Inventors: Chun-Chung Hsiao, Shih-Chang Chen, Cheng-Tsung Li, Tzeng-Ke Shiau
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Publication number: 20160223737Abstract: An electro-optical apparatus including an electronic apparatus and at least one light-emitting module is provided. The electronic apparatus has a containing area. The light-emitting module is disposed in the containing area and includes at least one light-emitting element, a taper light guide element, and a strip light guide element. The light-emitting element emits at least one beam. The taper light guide element is disposed on the transmission path of the beam and has a first end and a second end opposite to each other. The taper light guide element tapers off from the first end toward the second end. The first end is adjacent to the light-emitting element. The strip light guide element is disposed on the transmission path of the beam from the taper light guide element. The second end is adjacent to the strip light guide element. A scene apparatus is also provided.Type: ApplicationFiled: January 18, 2016Publication date: August 4, 2016Inventors: Chih-Jen Tsang, Tzeng-Ke Shiau