Patents by Inventor Han-Wen Tsai

Han-Wen Tsai 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).

  • Publication number: 20190157206
    Abstract: A package structure includes a first redistribution layer, a second redistribution layer, at least one semiconductor chip, an insulating encapsulation, a protection layer, and at least one connecting module. The at least one semiconductor chip is located between and electrically connected to the first redistribution layer and the second redistribution layer. The insulating encapsulation encapsulates the at least one semiconductor chip. The protection layer is disposed on and partially covers the first redistribution layer, wherein the first redistribution layer is located between the at least one semiconductor chip and the protection layer.
    Type: Application
    Filed: April 30, 2018
    Publication date: May 23, 2019
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chuei-Tang Wang, Chung-Hao Tsai, Chen-Hua Yu, Chun-Lin Lu, Chao-Wen Shih, Han-Ping Pu, Kai-Chiang Wu, Albert Wan
  • Patent number: 9568159
    Abstract: A vehicle illumination apparatus includes at least one illumination light source and at least one light guiding lens. The illumination light source is capable of providing an illumination beam. The light guiding lens includes a first light transmissive surface, a second light transmissive surface opposite to and smaller than the first light transmissive surface, an inner surrounding surface, and an outer surrounding surface. The first light transmissive surface is capable of projecting the illumination beam out of the light guiding lens. The inner surrounding surface and the second light transmissive surface are connected to each other and define a containing space configured to accommodate the illumination light source. The outer surrounding surface is connected to the inner surrounding surface and the first light transmissive surface. Besides, the outer surrounding surface has at least one light condensing region and at least one light diverging region.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: February 14, 2017
    Assignee: CORETRONIC CORPORATION
    Inventors: Han-Wen Tsai, Ming-Feng Kuo, Kuo-Sheng Huang
  • Publication number: 20160356445
    Abstract: A vehicle illumination apparatus including a light guide bar, at least one light source, and a lens is provided. The light guide bar has at least one light incidence surface and a light emitting surface, and a shape of the light emitting surface is a polygon having an interior angle not smaller than 180 degrees. The at least one light source is disposed adjacent to the at least one light incidence surface. The lens is disposed adjacent to the light emitting surface and has an optical axis and a light incidence recess. The light incidence recess faces the light guide bar and has a light incidence opening, wherein a cross-sectional area of the light incidence opening on a first reference plane perpendicular to the optical axis is greater than an area of the light emitting surface of the light guide bar.
    Type: Application
    Filed: February 2, 2016
    Publication date: December 8, 2016
    Inventors: Chi-Tang Hsieh, Han-Wen Tsai
  • Publication number: 20160238207
    Abstract: A lens includes a light input surface and a light output surface. The light output surface is opposite to the light input surface. A central region of the light output surface has a plurality of cylindrical surface microstructures. A depth of the cylindrical surface microstructures in a direction parallel to an optical axis of the lens is within a range from 0.02 millimeter to 0.2 millimeter. A vehicle lamp module is also provided.
    Type: Application
    Filed: September 3, 2015
    Publication date: August 18, 2016
    Inventors: Chi-Tang Hsieh, Han-Wen Tsai, Kuo-Sheng Huang
  • Patent number: 9341337
    Abstract: A vehicle headlight device includes a light guide plate, a light source device and a light-pattern adjustment plate. A thickness of the light guide plate is gradually increased from a light incident side to a light reflection side, and the light reflection side is provided with a parabolic surface. The light source device is disposed to coincide with or be near a focus point of the parabolic surface. The parabolic surface reflects at least one light beam emitted from the light source device to allow the light beam to propagate in an alignment direction. The light-pattern adjustment plate has multiple grooves. The grooves are parallel to each other and arranged on a surface of the light-pattern adjustment plate facing the light guide plate, and a longitudinal direction of the grooves is different to the alignment direction.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: May 17, 2016
    Assignee: Coretronic Corporation
    Inventors: Chih-Chieh Yu, Han-Wen Tsai
  • Patent number: 9329328
    Abstract: A backlight module includes a light guide plate (LGP), a light source, and at least one prism sheet. The LGP includes a light emitting surface, a bottom surface, a light incident surface, and a plurality of first microstructures on the bottom surface. Each of the first microstructure is a recessed structure and includes a first surface and a second surface. An included angle between the first surface and the bottom surface ranges from 15 degrees to 27 degrees. An included angle between the second surface and the bottom surface ranges from 50 degrees to 90 degrees. The light source provides a light beam, and an included angle between a light emitting direction of the light beam emitted from the light emitting surface of the LGP and a normal direction of the light emitting surface is greater than 30 degrees. The prism sheet is disposed above the light emitting surface.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: May 3, 2016
    Assignee: Coretronic Corporation
    Inventors: Shang-Wei Chen, Min-Yi Hsu, Chao-Hung Weng, Wen-Hsin Lo, Han-Wen Tsai, Ming-Feng Kuo, Ming-Dah Liu
  • Patent number: 9223077
    Abstract: A light guide plate including a first surface, a second surface, at least one light incident surface, and a plurality of groove sets is provided. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved back-to-light surface connected thereto. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve toward the same curving direction. The curved inclined reflective surface of one of two adjacent curved grooves is connected to the curved back-to-light surface of the other one of the two adjacent curved grooves through a connection surface. A light source module is also provided.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: December 29, 2015
    Assignee: Coretronic Corporation
    Inventors: Shingo Matsumoto, Han-Wen Tsai, Chih-Chieh Yu, Hong-Wei Liang
  • Publication number: 20150192265
    Abstract: A vehicle headlight device includes a light guide plate, a light source device and a light-pattern adjustment plate. A thickness of the light guide plate is gradually increased from a light incident side to a light reflection side, and the light reflection side is provided with a parabolic surface. The light source device is disposed to coincide with or be near a focus point of the parabolic surface. The parabolic surface reflects at least one light beam emitted from the light source device to allow the light beam to propagate in an alignment direction. The light-pattern adjustment plate has multiple grooves. The grooves are parallel to each other and arranged on a surface of the light-pattern adjustment plate facing the light guide plate, and a longitudinal direction of the grooves is different to the alignment direction.
    Type: Application
    Filed: October 3, 2014
    Publication date: July 9, 2015
    Applicant: CORETRONIC CORPORATION
    Inventors: CHIH-CHIEH YU, HAN-WEN TSAI
  • Patent number: 9075175
    Abstract: A light source module including a light guide plate, a light-collecting structure and a light emitting device is provided. The light guide plate has a first light emitting surface, a bottom surface, a first light incident surface connecting with the bottom surface and the first light emitting surface, and an optical microstructure unit. The optical microstructure unit includes at least two optical microstructures. Each optical microstructure has a recessing part and a protruding part on the bottom surface. The light-collecting structure has a second light emitting surface connecting with the first light incident surface, a second light incident surface and a reflecting surface connecting with the second light emitting surface and the second light incident surface. A sectional line obtained by sectioning the reflecting surface along a first reference plane includes a first parabola. The reference plane is parallel to the first light emitting surface.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: July 7, 2015
    Assignee: Coretronic Corporation
    Inventors: Han-Wen Tsai, Ming-Feng Kuo
  • Patent number: 8960980
    Abstract: A light source module includes an optical unit, which includes a light-emitting device, a light-guiding device and a light-converging structure. The light-guiding device has a light incident end, a light emitting end, a first curved surface connecting the light incident end and the light emitting end, and a side surface. The light-emitting device is disposed beside the light incident end. The section of the first curved surface by the side surface is a first curve. The section of the first curved surface by the reference plane perpendicular to the side surface is a second curve. The light-converging structure is disposed between the light-emitting device and the light incident end and has a first arc-convex surface and two second convex surfaces, in which the first arc-convex surface and the second convex surfaces are arranged along a direction parallel to the side-surface.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: February 24, 2015
    Assignee: Coretronic Corporation
    Inventors: Han-Wen Tsai, Ching-Wei Yu, Ming-Feng Kuo, Cheng Wang
  • Patent number: 8845167
    Abstract: A display device includes a light guide plate, a first light source device, a second light source device, a display panel, and an image light source synchronization unit. The first and second light source devices are disposed adjacent to two opposite sides of the light guide plate respectively. A plurality of first micro structures are formed on a bottom surface of the light guide plate and capable of deflecting a light beam from the second light source device towards the right-hand side and deflecting a light beam from the first light source device towards the left-hand side. The image light source synchronization unit is capable of displaying the left-side image when the first light source device is turned on and the second light source device is turned off and displaying the right-side image when the first light source device is turned off and the second light source device is turned on.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: September 30, 2014
    Assignee: Coretronic Corporation
    Inventors: Han-Wen Tsai, Ming-Feng Kuo
  • Patent number: 8764269
    Abstract: A light guide plate (LGP) includes a first surface, a second surface, at least one light incident surface, and a plurality of micro-structure sets. The second surface is opposite to the first surface. The light incident surface connects the first surface to the second surface. The micro-structure sets are separately disposed on the second surface, and the micro-structure sets are not continuous in any direction parallel to the first surface. Each of the micro-structure sets includes at least one protrusive structure that protrudes from the second surface and at least one recessive structure that is recessed in the second surface. A light source module is also provided.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: July 1, 2014
    Assignee: Coretronic Corporation
    Inventors: Shingo Matsumoto, Han-Wen Tsai, Ming-Feng Kuo, Chih-Chieh Yu
  • Patent number: 8704801
    Abstract: A touch display apparatus including a light guide plate, a light emitting module, a display panel, a plurality of prism structures, an image transmission unit, and an image detector is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light emitting module includes at least one visible light source and at least one invisible light source. The prism structures are disposed between the first surface and the display panel. The image transmission unit includes a wedge portion and a light guide portion. The wedge portion is disposed between the prism structures and the display panel. The image detector is disposed beside the light guide portion for receiving the invisible light beam from the light guide portion. A backlight module is also provided.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: April 22, 2014
    Assignee: Coretronic Corporation
    Inventors: Han-Wen Tsai, Fu-Ming Chuang
  • Publication number: 20140085919
    Abstract: A vehicle illumination apparatus includes at least one illumination light source and at least one light guiding lens. The illumination light source is capable of providing an illumination beam. The light guiding lens includes a first light transmissive surface, a second light transmissive surface opposite to and smaller than the first light transmissive surface, an inner surrounding surface, and an outer surrounding surface. The first light transmissive surface is capable of projecting the illumination beam out of the light guiding lens. The inner surrounding surface and the second light transmissive surface are connected to each other and define a containing space configured to accommodate the illumination light source. The outer surrounding surface is connected to the inner surrounding surface and the first light transmissive surface. Besides, the outer surrounding surface has at least one light condensing region and at least one light diverging region.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 27, 2014
    Applicant: CORETRONIC CORPORATION
    Inventors: Han-Wen Tsai, Ming-Feng Kuo, Kuo-Sheng Huang
  • Publication number: 20140071674
    Abstract: A light emitting apparatus, including at least one lens, at least one light emitting element, and a light emitting section, is provided. The lens includes a first curving surface and a second curving surface opposite to the first curving surface. The light emitting element is adapted for emitting a light beam and is disposed on a side of the second curving surface. The light emitting section has a central area and is disposed on a side of the first curving surface, wherein the light beam emitted from the light emitting element is transmitted out of the light emitting apparatus through the second curving surface, the first curving surface, and the light emitting section in sequence. An optical axis of the second curving surface is close to the central area with respect to an optical axis of the first curving surface. A lens is provided as well.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 13, 2014
    Applicant: CORETRONIC CORPORATION
    Inventors: Han-Wen Tsai, Ming-Feng Kuo
  • Publication number: 20130286679
    Abstract: A backlight module includes a light guide plate (LGP), a light source, and at least one prism sheet. The LGP includes a light emitting surface, a bottom surface, a light incident surface, and a plurality of first microstructures on the bottom surface. Each of the first microstructure is a recessed structure and includes a first surface and a second surface. An included angle between the first surface and the bottom surface ranges from 15 degrees to 27 degrees. An included angle between the second surface and the bottom surface ranges from 50 degrees to 90 degrees. The light source provides a light beam, and an included angle between a light emitting direction of the light beam emitted from the light emitting surface of the LGP and a normal direction of the light emitting surface is greater than 30 degrees. The prism sheet is disposed above the light emitting surface.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 31, 2013
    Applicant: CORETRONIC CORPORATION
    Inventors: Shang-Wei Chen, Min-Yi Hsu, Chao-Hung Weng, Wen-Hsin Lo, Han-Wen Tsai, Ming-Feng Kuo, Ming-Dah Liu
  • Publication number: 20130235608
    Abstract: A light source module includes an optical unit, which includes a light-emitting device, a light-guiding device and a light-converging structure. The light-guiding device has a light incident end, a light emitting end, a first curved surface connecting the light incident end and the light emitting end, and a side surface. The light-emitting device is disposed beside the light incident end. The section of the first curved surface by the side surface is a first curve. The section of the first curved surface by the reference plane perpendicular to the side surface is a second curve. The light-converging structure is disposed between the light-emitting device and the light incident end and has a first arc-convex surface and two second convex surfaces, in which the first arc-convex surface and the second convex surfaces are arranged along a direction parallel to the side-surface.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 12, 2013
    Applicant: Coretronic Corporation
    Inventors: Han-Wen Tsai, Ching-Wei Yu, Ming-Feng Kuo, Cheng Wang
  • Patent number: 8529116
    Abstract: A light guide plate includes a first surface, a second surface, at least a light incident surface, and a plurality of groove sets. The second surface is opposite to the first surface. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved light-back-surface. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve towards a same curving direction. The curved inclined reflective surface of one of two curved grooves is connected to the curved light-back-surface of the other one of the two curved grooves. A backlight module is also provided.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: September 10, 2013
    Assignee: Coretronic Corporation
    Inventors: Han-Wen Tsai, Chih-Chieh Yu
  • Publication number: 20130201721
    Abstract: A light source module including a light guide plate, a light-collecting structure and a light emitting device is provided. The light guide plate has a first light emitting surface, a bottom surface, a first light incident surface connecting with the bottom surface and the first light emitting surface, and an optical microstructure unit. The optical microstructure unit includes at least two optical microstructures. Each optical microstructure has a recessing part and a protruding part on the bottom surface. The light-collecting structure has a second light emitting surface connecting with the first light incident surface, a second light incident surface and a reflecting surface connecting with the second light emitting surface and the second light incident surface. A sectional line obtained by sectioning the reflecting surface along a first reference plane includes a first parabola. The reference plane is parallel to the first light emitting surface.
    Type: Application
    Filed: February 1, 2013
    Publication date: August 8, 2013
    Applicant: Coretronic Corporation
    Inventors: Han-Wen Tsai, Ming-Feng Kuo
  • Patent number: 8496368
    Abstract: A light guide plate is adapted for a backlight module having at least one light emitting device, and the light guide plate includes a light emitting surface, a surface opposite to the light emitting surface, a light incident surface connected with the light emitting surface and the surface, and a plurality of microstructures disposed on the light emitting surface or the surface. 90 percent or more of the surface or the light emitting surface is flat. At least one of the light emitting devices is disposed beside the light incident surface and capable of emitting a light beam. The light incident surface is capable of making the light beam enter the light guide plate and the light emitting surface is capable of making the light beam transmit outside the light guide plate. A backlight module is also provided.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: July 30, 2013
    Assignee: Coretronic Corporation
    Inventors: Kuo-Tung Tiao, Hung-Sheng Huang, Han-Wen Tsai