Patents by Inventor Yin Chang

Yin Chang 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: 10281635
    Abstract: A light guide plate and a backlight module are described. The light guide plate includes a main body and a plurality of stripe microstructures. The main body includes a light incidence surface, a light-emitting surface and a light reflective surface. The light-emitting surface is opposite to the light reflective surface, and the light incidence surface is connected between the light-emitting surface and the light reflective surface. The light-emitting surface includes a microstructure region adjacent to the light incidence surface. The stripe microstructures are arranged in the microstructure region, and parallel to a normal line of the light incidence surface.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: May 7, 2019
    Assignees: Radiant Opto-Electronics (Suzhou) Co.,Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Chin-Ting Weng
  • Publication number: 20190129086
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body and plural prism portions. The main body has a first extending direction and a second extending direction. The main body includes a light-incident surface extending along the first extending direction and an optical surface connected to the light-incident surface. The optical surface has a first region, a second region and a third region which are arranged along the second extending direction. The prism portions are disposed on the optical surface and extend along the second extending direction. An occupied area ratio of the prism portions located in the first region is greater than an occupied area ratio of the prism portions located in the second region and is smaller than an occupied area ratio of the prism portions located in the third region.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 2, 2019
    Inventors: Chia-Yin CHANG, Chin-Ting WENG, Hao CHEN, Yi-Ching CHUNG
  • Patent number: 10274663
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body, plural first stripe structures and plural second stripe structures. The main body has at least one light-incident surface and a main surface connected to the at least one light-incident surface. The first stripe structures are arranged on plural first regions of the main surface, in which each of the first stripe structures has a first tapered portion. The second stripe structures are arranged on a plurality of second regions of the main surface, in which each of the second stripe structures has a second tapered portion. The first areas and the second areas of the main surface are alternately disposed, and an inherent type of the second stripe structures is different from an inherent type of the first stripe structures.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: April 30, 2019
    Assignees: Radiant Opto-ELectronics (Suzhou) CO., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Chin-Ting Weng, Shin-Bo Lin
  • Patent number: 10271341
    Abstract: A wireless communication device and an antenna control method thereof are disclosed. The wireless communication device has a plurality of antennas, a received signal strength indicator detecting module and a control module. The wireless communication device signally communicates with an AP-router via the plurality of antennas. The received signal strength indicator detecting module individually detects a received signal strength indicator of each antenna and the AP-router. The control module assigns the antenna with the strongest received signal strength indicator among the plurality of antennas to be the main data transmission antenna and switches off at least one of the others of the plurality of antennas.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: April 23, 2019
    Assignee: CHICONY ELECTRONICS CO., LTD.
    Inventors: Chien-Yin Chang, I-Ya Lu
  • Publication number: 20190069304
    Abstract: A wireless communication device and an antenna control method thereof are disclosed. The wireless communication device has a plurality of antennas, a received signal strength indicator detecting module and a control module. The wireless communication device signally communicates with an AP-router via the plurality of antennas. The received signal strength indicator detecting module individually detects a received signal strength indicator of each antenna and the AP-router. The control module assigns the antenna with the strongest received signal strength indicator among the plurality of antennas to be the main data transmission antenna and switches off at least one of the others of the plurality of antennas.
    Type: Application
    Filed: December 6, 2017
    Publication date: February 28, 2019
    Inventors: CHIEN-YIN CHANG, I-YA LU
  • Patent number: 10215904
    Abstract: A backlight module and a display device are provided. The backlight module includes a light guide plate, a light source and a first prism film. The light guide plate includes a main body and plural oblique microstructures. The main body has a light-incident surface and at least one main surface connected to the light-incident surface. The main surface has a first area and a second area. The oblique microstructures are disposed in the first area. Each of the oblique microstructures has a first slope. A light source is disposed adjacent to the light-incident surface. The first prism film is disposed in front of the light guide plate. The first prism film has plural first prism microstructures. Each of the first prism microstructures has a second slope. One of the first slope and the second slope is a positive number, and the other one is a negative number.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: February 26, 2019
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chin-Ting Weng, Yue-Heng Lee, Chia-Yin Chang
  • Patent number: 10185072
    Abstract: A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures. The main body includes a light incidence surface and an optic surface. The light incidence surface is connected to the optic surface. The optic surface includes a first microstructure region and a second microstructure region arranged sequentially, and the first microstructure region is near the light incidence surface. The first stripe microstructures are disposed in the first microstructure region and extending along a direction from one side near the light-incident surface to the other side away from the light-incident surface. The second stripe microstructures are disposed in the second microstructure region along the direction. A gradient of each second stripe microstructure is gradually varied along the direction.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: January 22, 2019
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Chin-Ting Weng
  • Patent number: 10185071
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body, first stripe microstructures, second stripe microstructures and third stripe microstructures. The main body includes a light incidence surface and an optic surface having a first area and a second area. The first area is disposed nearer the light incidence surface. The first stripe microstructures and the second stripe microstructures are respectively disposed on the first area and the second area. Each of the first stripe microstructures and the second stripe microstructures extends along the direction vertical to the light incidence surface. A width of one end of each second stripe microstructure near the light incidence surface is smaller than a width of the other end away from the light incidence surface. The third stripe microstructures are distributed on a partial or the whole region of the optic surface.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: January 22, 2019
    Assignees: Radiant Opto-Electronics (Suzhou) Co.,Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Po-Chang Huang, Shin-Bo Lin
  • Publication number: 20180342466
    Abstract: A semiconductor device package includes a substrate, a semiconductor chip, a first ring structure and a second ring structure. The substrate includes a surface. The semiconductor chip is over the surface of the substrate. The first ring structure is over the surface of the substrate. The second ring structure is over the surface of the substrate, wherein the first ring structure is between the semiconductor chip and the second ring structure.
    Type: Application
    Filed: May 25, 2017
    Publication date: November 29, 2018
    Inventors: JING-CHENG LIN, LI-HUI CHENG, PO-HAO TSAI, JEH-YIN CHANG, LI-CHUNG KUO, HSIEN-JU TSOU, YI CHOU, YING-CHING SHIH, SZU-WEI LU
  • Publication number: 20180332240
    Abstract: A tracking system is provided. The tracking system comprises a trackable device which comprises a first illuminating module and the first illuminating module emits an infrared (IR) light and a tracking device which comprises an optical sensing module and a processor. The optical module is configured to sense an IR spectrum to capture a first image and sense a visible spectrum to capture a second image, and the IR light is in the IR spectrum. The processor is coupled to the optical sensing module. The processor is configured to search in the first image a first region corresponding to the IR light, locate in the second image a second region associated with the first region in the first image, and calculate a spatial status of the trackable device according to the second region in the second image.
    Type: Application
    Filed: May 14, 2018
    Publication date: November 15, 2018
    Inventors: Yuan-Tung CHEN, Hsu-Hong FENG, Tzu-Yin CHANG, Wei-Ta WANG, Tzu-Chieh YU
  • Patent number: 10121938
    Abstract: A light source module is provided. The light source module includes a flexible printed circuit board, plural light-emitting diodes and plural first light-absorbing portions. The flexible printed circuit board has a first edge and a second edge opposite to the first edge. The light-emitting diodes are disposed on the flexible printed circuit board near the first edge. The first light-absorbing portions are disposed on the flexible printed circuit board near the second edge, in which the first light-absorbing portions are alternately arranged with the light-emitting diodes.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: November 6, 2018
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Chin-Ting Weng
  • Patent number: 10118253
    Abstract: A light source assembly and a method for manufacturing the same are provided. The method for manufacturing the light source assembly includes the following steps. A back plate and a light bar are provided, in which the light bar includes a substrate and plural light emitting diodes disposed on a mounting surface of the substrate. The light bar is disposed on the back plate and a weld-processing area which includes an air interface is formed between the light bar and the back plate. The light bar and/or the back plate are/is melted by welding to form melted materials for filling the weld-processing area to fix the substrate on the back plate.
    Type: Grant
    Filed: August 24, 2014
    Date of Patent: November 6, 2018
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Yi-Jen Chiu, Jung-Yin Chang
  • Publication number: 20180236166
    Abstract: An infusion-leakage detection device includes: a substrate; a circuit with an infusion-leakage detection region formed on the substrate and aligned to an IV catheter which is inserted into a blood vessel of a patient, and the region includes at least a light-emitting element emitting a light with wavelength within the second optical window of biological organization and at least a light detector receiving the light to generate an electrical signal; and a circuit and battery region formed on the substrate, including a control and calculation unit connecting to the light-emitting element, and an acceleration detector connecting to the control and calculation unit, sensing body movement of a patient and providing a body-movement signal to the control and calculation unit. A remote monitoring system including the infusion-leakage detection device and remote equipment which receive information of leakage/no-leakage and alarm signal to monitor infusion-leakage status remotely.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 23, 2018
    Inventors: Yin Chang, Chiao-Li Lin, Daow-Ming Jiang
  • Publication number: 20180174310
    Abstract: An object tracking method includes configuring a color of a first illuminating object to vary in a first pattern, capturing the first illuminating object according to a first color during a first time period, and capturing the first illuminating object according to a second color during a second time period after the first time period, wherein the second color is different from the first color.
    Type: Application
    Filed: November 26, 2017
    Publication date: June 21, 2018
    Inventors: Yuan-Tung CHEN, Tzu-Yin CHANG, Hsu-Hong FENG
  • Publication number: 20180125908
    Abstract: Provided is a method of treating or preventing adenovirus and enterovirus infection by administering an antiviral composition that contains an Echinacea purpurea extract, a Salvia miltiorrhiza extract, or combinations thereof. The antiviral composition blocks adenoviruses and enterovirus infection through virucidal activity against adenovirus and inhibition of adenovirus and enterovirus attachment to and penetration into cells. Also provided is a method of preparing the antiviral composition.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Inventors: LUAN-YIN CHANG, YU-HSIN CHEN
  • Publication number: 20180100960
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body, first stripe microstructures, second stripe microstructures and third stripe microstructures. The main body includes a light incidence surface and an optic surface having a first area and a second area. The first area is disposed nearer the light incidence surface. The first stripe microstructures and the second stripe microstructures are respectively disposed on the first area and the second area. Each of the first stripe microstructures and the second stripe microstructures extends along the direction vertical to the light incidence surface. A width of one end of each second stripe microstructure near the light incidence surface is smaller than a width of the other end away from the light incidence surface. The third stripe microstructures are distributed on a partial or the whole region of the optic surface.
    Type: Application
    Filed: August 28, 2017
    Publication date: April 12, 2018
    Inventors: Chia-Yin CHANG, Po-Chang HUANG, Shin-Bo LIN
  • Publication number: 20180088267
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body, plural first strip structures and second strip structures. The main body includes a light incident surface, an end portion and a light guide portion. The end portion has at least one inclined surface. The light guide portion is connected to the end portion. The light guide portion has a first optical surface and a second optical surface. At least one portion of each of the first strip structures is disposed on the first optical surface. At least one portion of each of the second strip structures is disposed on the second optical surface. An inherent type, an arrangement manner or an arrangement position of the first strip structures is different from an inherent type, an arrangement manner or an arrangement position of the second strip structures.
    Type: Application
    Filed: August 25, 2017
    Publication date: March 29, 2018
    Inventors: Chia-Yin CHANG, Shin-Bo LIN
  • Publication number: 20170343722
    Abstract: A backlight module and a display device are provided. The backlight module includes a light guide plate, a light source and a first prism film. The light guide plate includes a main body and plural oblique microstructures. The main body has a light-incident surface and at least one main surface connected to the light-incident surface. The main surface has a first area and a second area. The oblique microstructures are disposed in the first area. Each of the oblique microstructures has a first slope. A light source is disposed adjacent to the light-incident surface. The first prism film is disposed in front of the light guide plate. The first prism film has plural first prism microstructures. Each of the first prism microstructures has a second slope. One of the first slope and the second slope is a positive number, and the other one is a negative number.
    Type: Application
    Filed: May 23, 2017
    Publication date: November 30, 2017
    Inventors: Chin-Ting WENG, Yue-Heng LEE, Chia-Yin CHANG
  • Publication number: 20170336551
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body, plural first stripe structures and plural second stripe structures. The main body has at least one light-incident surface and a main surface connected to the at least one light-incident surface. The first stripe structures are arranged on plural first regions of the main surface, in which each of the first stripe structures has a first tapered portion. The second stripe structures are arranged on a plurality of second regions of the main surface, in which each of the second stripe structures has a second tapered portion. The first areas and the second areas of the main surface are alternately disposed, and an inherent type of the second stripe structures is different from an inherent type of the first stripe structures.
    Type: Application
    Filed: March 1, 2017
    Publication date: November 23, 2017
    Inventors: Chia-Yin CHANG, Chin-Ting WENG, Shin-Bo LIN
  • Publication number: 20170329072
    Abstract: A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures. The main body includes a light incidence surface and an optic surface. The light incidence surface is connected to the optic surface. The optic surface includes a first microstructure region and a second microstructure region arranged sequentially, and the first microstructure region is near the light incidence surface. The first stripe microstructures are disposed in the first microstructure region and extending along a direction from one side near the light-incident surface to the other side away from the light-incident surface. The second stripe microstructures are disposed in the second microstructure region along the direction. A gradient of each second stripe microstructure is gradually varied along the direction.
    Type: Application
    Filed: August 2, 2017
    Publication date: November 16, 2017
    Inventors: Chia-Yin CHANG, Chin-Ting WENG