Patents Assigned to Unity Opto Technology Co., Ltd.
  • Patent number: 11408591
    Abstract: An LED lighting module with micro led arrays and phosphor film is disclosed. The LED lighting module includes a plurality of micro LED arrays and a phosphor film. The micro LED arrays are respectively composed of at least one micro LED. The phosphor film is disposed on one side of the micro LED arrays; and the phosphor film has a transparent substrate and is provided with a plurality of light emitting regions. The plurality of light emitting regions are arranged adjacent to each other and into a matrix form, and are set corresponding to the micro LED arrays collimation respectively. A part or the whole of the surface of the plurality of light emitting regions is provided with at least one type of phosphor powder.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: August 9, 2022
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventor: Ching-Huei Wu
  • Patent number: 11162662
    Abstract: An LED lighting module and a display having the LED module are disclosed. The LED lighting module includes a plurality of micro LED arrays and a phosphor film. The micro LED arrays are respectively composed of at least one micro LED. The phosphor film is disposed on one side of the micro LED arrays; and the phosphor film has a transparent substrate and is provided with a plurality of light emitting regions. The plurality of light emitting regions are arranged adjacent to each other and into a matrix form, and are set corresponding to the micro LED arrays collimation respectively. A part or the whole of the surface of the plurality of light emitting regions is provided with at least one type of phosphor powder.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: November 2, 2021
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventor: Ching-Huei Wu
  • Patent number: 11024614
    Abstract: A method for manufacturing micro LED panel and micro LED panel thereof is disclosed. The method includes defining a plurality of pixel regions on an optical element carrier; providing a first solder portion, or a first solder portion, a second solder portion and a third solder portion in each pixel region; selecting a plurality of process substrates and defining a process area on each process substrate; setting a first process mode, a second process mode and a third process mode, and determining the number of process substrates in the first process mode, the second process mode and the third process mode according to the number of units; then the process area of the process substrate will form a plurality of first micro light emitting chips corresponding to the position of the first soldering portion.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 1, 2021
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Ching-Huei Wu, Wei-Chung Lin
  • Patent number: 10925138
    Abstract: A flicker-free linear LED drive circuit is disclosed. The flicker-free linear LED drive circuit converts the input voltage of the external power supply to form an output current to the LED. The flicker-free linear LED drive circuit includes a measuring module, a regulating module and a rectifier module. The flicker-free linear LED drive circuit is characterized in that the measuring module is configured to measure the phase angle of the input voltage after full-wave rectification; the regulating module is used to form the complex voltage signal according to the measurement signal in the voltage waveform of the regulating module for the half-wave period, the conduction angle range formed at the fixed power is used as the basis for electrical conduction in the half-wave period of the input voltage.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: February 16, 2021
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Chih-Hsien Wu, Kai-Cheng Chuang, Chun-Chieh Kuo, Yu-Hsien He
  • Patent number: 10763409
    Abstract: Disclosed are an LED light source, an LED light source manufacturing method, and their direct display device. The LED light source includes a base, at least an LED chip, an anti-vulcanization structure, a light excitation structure, an encapsulation structure and a protection structure. The LED light source can overcome catalyst poison or vulcanization of the light-emitting material effectively to improve product yield and reliability of the LED light source. In the meantime, the LED light source has the feature of a better light emission performance.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: September 1, 2020
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Hung-Li Yeh, Wei-Chung Lin, Ko-Wei Lu
  • Patent number: 10749081
    Abstract: Disclosed are an LED light source, an LED light source manufacturing method, and their direct display device. The LED light source includes a base, at least an LED chip, an anti-vulcanization structure, a light excitation structure, an encapsulation structure and a protection structure. The LED light source can overcome catalyst poison or vulcanization of the light-emitting material effectively to improve product yield and reliability of the LED light source. In the meantime, the LED light source has the feature of a better light emission performance.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 18, 2020
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Hung-Li Yeh, Wei-Chung Lin, Ko-Wei Lu
  • Patent number: 10645781
    Abstract: A high-voltage linear drive and memory dimming LED lighting device is disclosed. The lighting device includes a high voltage linear constant current circuit, a control IC, a first LED string and a second LED string. The control IC is electrically connected to the high voltage linear constant current circuit, and the control IC is directly driven by receiving high voltage signals. Wherein, the control IC includes a voltage regulator module, a switching module and a memory module. The voltage regulator module is electrically connected to the high voltage linear constant current circuit; the switching module is electrically connected to the voltage regulator module and includes at least two electronic switches; and the memory module is electrically connected to the switching module.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 5, 2020
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Chih-Hsien Wu, Wei Chang, Kai-Cheng Chuang, Huan-Ying Lu
  • Patent number: 10422518
    Abstract: The light fixture includes a frame, a substantially flat light emitting diode (LED) panel disposed within the frame, power circuitry disposed within at least one of a number of channels within the frame, and a central wire-way. The frame includes a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form the channels within the frame. The bottom assembly has a back surface. The power circuitry is configured to electrically couple the substantially flat LED panel to an external AC power supply. The central wire-way is disposed adjacent the back surface of the bottom assembly and configured to route wiring to or from the power circuitry disposed within at least one of the channels within the frame.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: September 24, 2019
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: J. Richard Myers, John Araki
  • Patent number: 10386023
    Abstract: An LED panel light fixture and method for assembling the same includes (a) selecting a set of specifications of the LED panel light fixture, the set of specifications comprising a fixture/base specification comprising a form factor of the LED panel light fixture; and a top specification comprising a visual feature of a top in accordance with the top specification; (b) providing a knock-down kit having parts including the top in accordance with the top specification, a frame in accordance with the fixture/base specification, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry; and (c) assembling the LED panel light fixture using parts of the knock-down kit. An LED panel lighting fixture kit includes a top and a base. The base includes a mounting mechanism that is accessible before joining the top to the base, but not accessible after joining the top to the base.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: August 20, 2019
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: J. Richard Myers, Arthur B. Moore
  • Patent number: 10364974
    Abstract: The light fixture includes a frame configured to define a channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 30, 2019
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: J. Richard Myers, John Araki
  • Patent number: 10352544
    Abstract: The light fixture includes a light emitting panel assembly including a frame and a substantially flat light emitting diode (LED) panel disposed within the frame. The substantially flat light emitting diode (LED) panel has an array of light emitting diodes (LEDs). The light fixture further includes a power circuitry module, with a power circuit. The power circuitry module is disposed within the frame adjacent an edge of the frame, and is releasably attachable to the light emitting panel assembly. A decouplable source electrical connector electrically couples the power circuit to an AC power supply external to the light fixture, and a decouplable driver electrical connector electrically couples the power circuit to the array of light emitting diodes (LEDs). The source electrical connector and driver electrical connector may be configured to be decoupled as the power circuitry module is detached and separated from the light emitting panel assembly.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: July 16, 2019
    Assignee: Unity Opto Technology Co., Ltd.
    Inventor: J. Richard Myers
  • Patent number: 10278255
    Abstract: Disclosed are a light-emitting device for digital control of color temperature modulation and its application. The light-emitting device is electrically connected to a wall switch and includes a DIP switch, first LEDs, second LEDs and a control module. The control module is electrically connected to the above components and contains a truth table. The truth table includes at least a first mode, second mode, third mode and a memory and automatically switch mode, and a digital switching is accomplished by correlating the DIP switch to the truth table. In the memory and automatically switch mode, the first to third mode color temperatures are sequentially switched and controlled by turning on or off the wall switch according to the truth table information. The light-emitting device may be applied to light fixtures or mirror products to improve the convenience of use.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: April 30, 2019
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Chih-Hsien Wu, Wei Chang, Kai-Cheng Chuang, Kuo-Tien Cheng, Hsin-Chieh Liao, Jia-Hao Siao
  • Patent number: 10215911
    Abstract: The light fixture includes a frame, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry. The frame has a frame length measured along a length axis and a frame width measured along a width axis, wherein the frame length is greater than the frame width. The optically transmissive panel assembly receives light from the set of light emitting diodes (LEDs) and emits light from an emission area in a patterned luminous intensity, using patterning optics adjacent a light guide plate. The driving circuitry is disposed within the frame and is operatively coupled to the set of LEDs and to a power supply external to the light fixture. The driving circuitry may include a first circuitry segment disposed within a first edge channel of the frame, and a second circuitry segment disposed within a second edge channel of the frame.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 26, 2019
    Assignee: Unity Opto Technology Co., Ltd.
    Inventor: J. Richard Myers
  • Patent number: 10158054
    Abstract: An LED lighting device is disclosed. The LED lighting device uses a violet LED chip as a light source for exciting quantum dots. The quantum dots excited by the light of the violet LED chip are mixed with each other to form white light. So, the LED lighting device not just has the effects of providing a high luminous efficiency and preventing the blue light from damaging human eyes only, but also provides a better color rendering ability.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: December 18, 2018
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Wei-Chung Lin, Hung-Li Yeh, Ko-Wei Lu
  • Patent number: 9985009
    Abstract: Disclosed are an LED light emitting device and its manufacturing method. A blue LED chip specification is selected, a green phosphor and the blue LED chip are used to determine a green light frame on the CIE1931 chromaticity coordinates and a red phosphor together with a blue LED chip are used to determine a red light frame on the CIE1931 chromaticity coordinates, and a predetermined straight line passing through the color temperature target frame is selected, and both end points of the predetermined straight line fall within the green light frame and the red light frame, so as to determine the concentration of the green phosphor and the red phosphor, and the green and red phosphors and a blue LED chip are packaged to form a first LED and a second LED, and at least one first LED and at least one second LED are installed on a substrate.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: May 29, 2018
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Ching-Huei Wu, Chih-Hsien Wu, Wei Chang, Huan-Ying Lu, Shih-Chao Shen
  • Patent number: 9976732
    Abstract: The light fixture includes a frame configured to define a channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: May 22, 2018
    Assignee: Unity Opto Technology Co., LTD.
    Inventors: J. Richard Myers, John Araki
  • Patent number: 9854630
    Abstract: A flicker-free dimming circuit for non-point light source has a TRIAC module, an input module, a conversion module and an output module. The TRIAC module adjusts the voltage phase of an external power supply for the input module to export an input voltage, and the conversion module in a boost circuit structure is provided with a conversion coil and a converter to receive and raise the voltage value of the input voltage to a voltage value of an operating voltage and then supplies the operating voltage to the output module. The output module adopts a fly-back circuit structure and induces the operating voltage to form a driving voltage in a constant value and then outputs the driving voltage to a lamp with a relatively wide light source area. In this way, the panel lamp can meet high safety standards and enhance its product adaptability and competiveness.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: December 26, 2017
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Chih-Hsien Wu, Kai-Cheng Chuang, Cheng-Han Hung
  • Patent number: 9841149
    Abstract: Disclosed is an LED lamp having a tube and two end covers. The end covers are connected to both sides of the tube for accommodating a power supply member or a power conversion member, and the end covers have a first penetrating hole for engaging a connecting member to hang or install the LED lamp. The LED lamp further includes at least one back plate having at least two first locking holes, and each end cover has at least one second locking hole corresponsive to the first locking holes. At least two latching members pass through the first locking hole and the second locking hole to connect the back plate and the end cover and the back plate is situated on a side of the tube, so that the back plate is connected closely with the end cover and will not be separated easily by external forces or collisions.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: December 12, 2017
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Chih-Hsien Wu, Po-Wen Hsiao, Hsi-Yu Chen, Han-Chi Chi
  • Patent number: 9806235
    Abstract: An LED bracket includes a first metal sheet, a second metal sheet and a casing. The casing covers the first and second metal sheets and includes a receiving slot. The casing partially covers the first and second metal sheets. The first metal sheet has a first pin terminal and a first carrying end. The second metal sheet has a second pin terminal and a second carrying end. The non-bent first and second pin terminals are opposite to each other and extended outwardly from the casing. The first and second carrying ends are disposed in the receiving slot and respectively have at least one first support portion and at least one second support portion to enhance the strength of fixing the first and second metal sheets with the casing. The non-bent pins improve the degree of freedom of the design of the casing and the light emission efficiency of LEDs.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: October 31, 2017
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Ching-Huei Wu, Chih-Chao Chang, Ying-Ju Chen, Ping-Chen Wu
  • Patent number: D794866
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: August 15, 2017
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Chih-Hsien Wu, Wei Chang, Kai-Cheng Chuang, Yi-Shu Chen, Hsin-Chieh Liao, Sen-Yuh Tsai, Ching-Ping Tseng