Patents Assigned to inFilm Optoelectronic Inc.
  • Patent number: 11568525
    Abstract: A moiré image processing device is provided, including a light-transmitting film, a light sensor, and an image processor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface, where the microlenses are disposed on the light-incident surface, the light-exit surface, or a combination thereof according to a distribution pattern. The light sensor includes a photosensitive surface, where the photosensitive surface faces the light-exit surface, there are a plurality of pixels on the photosensitive surface, and the pixels sense the microlenses to obtain a photosensitive image corresponding to the distribution pattern. The image processor is coupled to the light sensor, where the image processor performs, according to a virtual image and the photosensitive image, image processing of simulating a moiré effect to generate a moiré image, where the virtual image corresponds to the distribution pattern and is similar to the photosensitive image.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: January 31, 2023
    Assignee: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung Lin
  • Patent number: 11552113
    Abstract: A moiré pattern imaging device includes a light-transmitting film and an optical sensor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface opposite to each other. The plurality of microlenses are disposed on the light-incident surface, the light-exit surface or a combination thereof, and the plurality of microlenses are arranged in two dimensions to form a microlens array. The optical sensor includes a photosurface. The photosurface faces the light-exit surface of the light-transmitting film, the photosurface is provided with a plurality of pixels, and the plurality of pixels are arranged in two dimensions to form a pixel array. The microlens array and the pixel array correspondingly form a moiré pattern effect to produce an imaging magnification effect, and the photosurface of the optical sensor senses light and forms a moiré pattern magnification image.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: January 10, 2023
    Assignee: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung Lin, Shih-Yuan Chang
  • Publication number: 20220020798
    Abstract: A moiré pattern imaging device includes a light-transmissive film and a light-shielding film. The light-transmissive film includes a plurality of imaging units and a light-incident surface and a light-emergent surface opposite to each other. The plurality of imaging units are disposed on the light-incident surface, the light-emergent surface, or a combination thereof and are arranged in two dimensions to form an imaging unit array. The light-shielding film includes a plurality of light-transmissive regions. The light-transmissive regions are arranged in two dimensions to form a light-transmissive array, and the light-shielding film is overlaid on the light-incident surface or the light-emergent surface. The light-transmissive array corresponds to the imaging unit array. The imaging unit array and the light-transmissive array together form a moiré pattern effect to generate an image magnification effect.
    Type: Application
    Filed: June 4, 2021
    Publication date: January 20, 2022
    Applicant: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung LIN, Jung-Ping LIU
  • Patent number: 11226589
    Abstract: A holographic image film, and a holographic image recording method and reconstruction method are provided. The holographic image recording method includes a preparation step, an irradiation step and a recording step. The preparation step includes stacking a holographic negative film on a transparent substrate. The irradiation step includes emitting object light and reference light. The reference light is emitted into the transparent substrate and undergoes multiple times of total reflections in a thickness of the transparent substrate to form total internal reflected light. The recording step includes generating a holographic image interference line by a mutual interference between the total internal reflected light and the object light, and recording the holographic image interference line on the holographic negative film in a photosensitive manner.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: January 18, 2022
    Assignee: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung Lin, Chih-Chieh Chang
  • Patent number: 11209294
    Abstract: A thin proximity sensing device includes a transparent plate and a light sensor. The transparent plate includes a first surface and a second surface. The first surface is provided with a light source and a light entering area. The light source is arranged on the first surface. The second surface is provided with a reflector. The light sensor includes a light receiving area. The light sensor is arranged on the transparent plate. The reflector is capable of correspondingly reflecting specific incident light. The specific incident light refers to light that enters the transparent plate through the light entering area on the first surface after the light emitted by the light source is reflected externally, and is incident to the reflector. After reflected by the reflector, the specific incident light is reflected one or more times within the thickness of the transparent plate and is transmitted to the light sensor.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 28, 2021
    Assignee: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung Lin, Shih-Yuan Chang
  • Publication number: 20210183031
    Abstract: A moiré image processing device is provided, including a light-transmitting film, a light sensor, and an image processor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface, where the microlenses are disposed on the light-incident surface, the light-exit surface, or a combination thereof according to a distribution pattern. The light sensor includes a photosensitive surface, where the photosensitive surface faces the light-exit surface, there are a plurality of pixels on the photosensitive surface, and the pixels sense the microlenses to obtain a photosensitive image corresponding to the distribution pattern. The image processor is coupled to the light sensor, where the image processor performs, according to a virtual image and the photosensitive image, image processing of simulating a moiré effect to generate a moiré image, where the virtual image corresponds to the distribution pattern and is similar to the photosensitive image.
    Type: Application
    Filed: December 7, 2020
    Publication date: June 17, 2021
    Applicant: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung LIN
  • Publication number: 20210111206
    Abstract: A moiré pattern imaging device includes a light-transmitting film and an optical sensor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface opposite to each other. The plurality of microlenses are disposed on the light-incident surface, the light-exit surface or a combination thereof, and the plurality of microlenses are arranged in two dimensions to form a microlens array. The optical sensor includes a photosurface. The photosurface faces the light-exit surface of the light-transmitting film, the photosurface is provided with a plurality of pixels, and the plurality of pixels are arranged in two dimensions to form a pixel array. The microlens array and the pixel array correspondingly form a moiré pattern effect to produce an imaging magnification effect, and the photosurface of the optical sensor senses light and forms a moiré pattern magnification image.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 15, 2021
    Applicant: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung LIN, Shih-Yuan CHANG
  • Publication number: 20210033752
    Abstract: A thin film optical lens device includes a first light-permissive film and a second light-permissive film. The first light-permissive includes first micro-lenses, a first light incident surface, and a first light illuminating surface opposite to the first light incident surface. The first micro-lenses are two-dimensionally arranged to form a first micro-lens array. The second light-permissive film includes second micro-lenses, a second light incident surface, and a second light illuminating surface opposite to the second light incident surface. The second micro-lenses are two dimensionally arranged to form a second micro-lens array. The second light incident surface faces the first light illuminating surface. The first micro-lens array and the second micro-lens array correspondingly produce the moiré pattern effect to provide an image magnification effect.
    Type: Application
    Filed: June 11, 2020
    Publication date: February 4, 2021
    Applicant: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung LIN
  • Publication number: 20200408576
    Abstract: A thin proximity sensing device includes a transparent plate and a light sensor. The transparent plate includes a first surface and a second surface. The first surface is provided with a light source and a light entering area. The light source is arranged on the first surface. The second surface is provided with a reflector. The light sensor includes a light receiving area. The light sensor is arranged on the transparent plate. The reflector is capable of correspondingly reflecting specific incident light. The specific incident light refers to light that enters the transparent plate through the light entering area on the first surface after the light emitted by the light source is reflected externally, and is incident to the reflector. After reflected by the reflector, the specific incident light is reflected one or more times within the thickness of the transparent plate and is transmitted to the light sensor.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 31, 2020
    Applicant: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung LIN, Shih-Yuan CHANG
  • Patent number: 10775934
    Abstract: An optical touch apparatus includes a light source unit, an optical signal processing unit, and a position computation unit. The light source unit emits light beams and generates three reference light spots at different positions. The optical signal processing unit receives three pieces of reflected light information respectively reflected and propagated by the three reference light spots and analyzes the three pieces of reflected light information to correspondingly generate three pieces of optical analysis information, each of the three pieces of optical analysis information includes a piece of vibration wave information and a piece of vibration time point information, and the piece of vibration wave information includes a touch vibration wave. The position computation unit computes a piece of touch position information according to each of the pieces of light spot position information, each of the pieces of vibration time point information, and the piece of vibration wave velocity information.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: September 15, 2020
    Assignee: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung Lin
  • Patent number: 10719952
    Abstract: A thin plate imaging device in accordance with the present invention comprises a guide light plate, at least an imaging unit, at least a photosensitive unit and at least a reflection lens; the guide light plate and the imaging unit are utilized to allow lights to conduct total internal reflection or reflection propagation in one dimension, the photosensitive unit is placed in the path of the total internal reflection or reflection propagation and disposed at the image focus position of the imaging unit; clear images can be obtained without moving the imaging unit or the photosensitive unit back and forth, and objects with different object distances can be imaged on different spots of the photosensitive unit such that relative distances of the objects can be determined by image signals obtained via the photosensitive unit directly.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: July 21, 2020
    Assignee: inFilm Optoelectronics Inc.
    Inventors: Chih-Hsiung Lin, Chong-Hau Chou
  • Publication number: 20200150322
    Abstract: A grating plate device includes a light transmitting substrate, a plurality of first diffraction gratings, and a plurality of second diffraction gratings. The light transmitting substrate includes a first surface and a second surface, the first surface has a first imaging area and a second imaging area. The first diffraction gratings are disposed on the first imaging area, and each of the first diffraction gratings includes two first grating lines parallel to each other and a first slit between the two first grating lines. The second diffraction gratings are disposed on the second imaging area, each of the second diffraction gratings includes two second grating lines parallel to each other and a second slit between the two second grating lines, and the first diffraction gratings are not parallel to the second diffraction gratings or a width of the first slit is different from a width of the second slit.
    Type: Application
    Filed: October 24, 2019
    Publication date: May 14, 2020
    Applicant: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung LIN
  • Publication number: 20200081399
    Abstract: A holographic image film, and a holographic image recording method and reconstruction method are provided. The holographic image recording method includes a preparation step, an irradiation step and a recording step. The preparation step includes stacking a holographic negative film on a transparent substrate. The irradiation step includes emitting object light and reference light. The reference light is emitted into the transparent substrate and undergoes multiple times of total reflections in a thickness of the transparent substrate to form total internal reflected light. The recording step includes generating a holographic image interference line by a mutual interference between the total internal reflected light and the object light, and recording the holographic image interference line on the holographic negative film in a photosensitive manner.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 12, 2020
    Applicant: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung LIN, Chih-Chieh CHANG
  • Publication number: 20200020124
    Abstract: A thin plate imaging device in accordance with the present invention comprises a guide light plate, at least an imaging unit, at least a photosensitive unit and at least a reflection lens; the guide light plate and the imaging unit are utilized to allow lights to conduct total internal reflection or reflection propagation in one dimension, the photosensitive unit is placed in the path of the total internal reflection or reflection propagation and disposed at the image focus position of the imaging unit; clear images can be obtained without moving the imaging unit or the photosensitive unit back and forth, and objects with different object distances can be imaged on different spots of the photosensitive unit such that relative distances of the objects can be determined by image signals obtained via the photosensitive unit directly.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 16, 2020
    Applicant: inFilm Optoelectronic Inc.
    Inventors: CHIH-HSIUNG LIN, CHONG-HAU CHOU
  • Patent number: 10481738
    Abstract: A light touch apparatus includes a light emitting unit, an imaging unit, an optical signal processing unit, and a position processing unit. The light emitting unit emits a projection light ray. The imaging unit captures an external image, where the external image includes multiple two-dimensional pixels, and corresponding to relative positions of the two-dimensional pixels, the projection light ray of the light emitting unit forms multiple projection spots. The optical signal processing unit receives multiple pieces of reflection light information, and analyzes the pieces of reflection light information to correspondingly generate multiple pieces of analysis spot information, where the pieces of analysis spot information include touch vibration information, and the touch vibration information includes a touch vibration wave whose frequency domain is different from a frequency domain of the projection light ray.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: November 19, 2019
    Assignee: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung Lin
  • Patent number: 10467769
    Abstract: A thin plate imaging device in accordance with the present invention comprises a guide light plate, at least an imaging unit, and at least a photosensitive unit; the guide light plate and the imaging unit are utilized to allow lights to conduct total internal reflection or reflection propagation in dimension, the photosensitive unit is placed in the path of the total internal reflection or reflection propagation and disposed at the image focus position of the imaging unit; clear images can be obtained without moving the imaging unit or the photosensitive unit back and forth, and objects with different object distances can be imaged on different spots of the photosensitive unit such that relative distances of the objects can be determined by image signals obtained via the photosensitive unit directly.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: November 5, 2019
    Assignee: inFilm Optoelectronic Inc.
    Inventors: Chih-Hsiung Lin, Chong-Hau Chou
  • Publication number: 20190243510
    Abstract: An optical touch apparatus includes a light source unit, an optical signal processing unit, and a position computation unit. The light source unit emits light beams and generates three reference light spots at different positions. The optical signal processing unit receives three pieces of reflected light information respectively reflected and propagated by the three reference light spots and analyzes the three pieces of reflected light information to correspondingly generate three pieces of optical analysis information, each of the three pieces of optical analysis information includes a piece of vibration wave information and a piece of vibration time point information, and the piece of vibration wave information includes a touch vibration wave. The position computation unit computes a piece of touch position information according to each of the pieces of light spot position information, each of the pieces of vibration time point information, and the piece of vibration wave velocity information.
    Type: Application
    Filed: January 29, 2019
    Publication date: August 8, 2019
    Applicant: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung LIN
  • Publication number: 20190065003
    Abstract: A light touch apparatus includes a light emitting unit, an imaging unit, an optical signal processing unit, and a position processing unit. The light emitting unit emits a projection light ray. The imaging unit captures an external image, where the external image includes multiple two-dimensional pixels, and corresponding to relative positions of the two-dimensional pixels, the projection light ray of the light emitting unit forms multiple projection spots. The optical signal processing unit receives multiple pieces of reflection light information, and analyzes the pieces of reflection light information to correspondingly generate multiple pieces of analysis spot information, where the pieces of analysis spot information include touch vibration information, and the touch vibration information includes a touch vibration wave whose frequency domain is different from a frequency domain of the projection light ray.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 28, 2019
    Applicant: inFilm Optoelectronic Inc.
    Inventor: Chih-Hsiung LIN
  • Publication number: 20170330344
    Abstract: A thin plate imaging device in accordance with the present invention comprises a guide light plate, at least an imaging unit, and at least a photosensitive unit; the guide light plate and the imaging unit are utilized to allow lights to conduct total internal reflective or reflective propagation in a dimension, the photosensitive unit is placed in the path of the total internal reflective or reflective propagation and disposed at the image focus position of the imaging unit; clear images can be obtained without moving the imaging unit or the photosensitive unit back and forth, and objects with different object distances can be imaged on different spots of the photosensitive unit such that relative distances of the objects can be determined by image signals obtained via the photosensitive unit directly.
    Type: Application
    Filed: May 2, 2017
    Publication date: November 16, 2017
    Applicant: inFilm Optoelectronic Inc.
    Inventors: CHIH-HSIUNG LIN, CHONG-HAU CHOU
  • Publication number: 20170269789
    Abstract: An optical touch device using imaging module according the present invention includes a guide light plate, at least a light source, an imaging module, at least a photosensitive unit and a microprocessor; the imaging module has at least an image reflective curved surface to image multiple contact positions to at least a photosensitive unit conveniently to form image information corresponding to the multiple contact positions so as to allow the microprocessor to generate corresponding touch signals; the images at where an object contacts the guide light plate are utilized directly to generate the touch signals instead of detecting attenuation signal of frustrated total internal reflection resulting from the object contacting the guide light plate; due to the light in the guide light plate is employed to conduct the total internal reflection propagation to attain touch control function, components needed in the touch device is reduced and the fabrication cost is saved largely.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 21, 2017
    Applicant: inFilm Optoelectronic Inc.
    Inventors: CHIH-HSIUNG LIN, SHIH-YUAN CHANG