Patents by Inventor Li-Wei Mao

Li-Wei Mao 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: 10986707
    Abstract: A display device includes: a display panel having a light-tuning array; a backlight module providing a backlight to the light-tuning array; and a backlight driving module electrically connected with the backlight module. The backlight driving module has a first driving mode corresponding to a first range of brightness scale and a second driving mode corresponding to a second range of brightness scale. The first driving mode controls the brightness scale corresponding to the backlight by adjusting a duty ratio of a driving signal. The second driving mode controls the brightness scale corresponding to the backlight by adjusting a current value of the driving signal.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 20, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Ming-Chia Shih, Li-Wei Mao
  • Patent number: 10957226
    Abstract: An electronic device and a tiling electronic apparatus are disclosed and include a base substrate, a first circuit layer and a plurality of light-emitting elements. The base substrate has a first surface and a second surface opposite to each other. The first circuit layer includes a first portion and a second portion. The first portion is disposed on the first surface of the base substrate, and the second portion is disposed on the second surface of the base substrate. The light-emitting elements are disposed on the first portion of the first circuit layer. At least one of the second surface of the base substrate and the first portion of the first circuit layer includes at least one microstructure.
    Type: Grant
    Filed: March 24, 2019
    Date of Patent: March 23, 2021
    Assignee: InnoLux Corporation
    Inventors: Chin-Lung Ting, Chung-Kuang Wei, Li-Wei Mao, Chi-Liang Chang, Chia-Hui Lin
  • Patent number: 10937775
    Abstract: Provided is a display device, which includes a substrate, a transistor, a capacitor and a light emitting unit. The transistor and the capacitor are disposed on the substrate. The light emitting unit is disposed on the substrate and arranged corresponding to the capacitor. The light emitting unit includes a first light emitting diode. The first light emitting diode is electrically connected with the transistor and overlaps the capacitor. The display device has favorable space utilization, provides a repair function, or reduces the probability of failure.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 2, 2021
    Assignee: Innolux Corporation
    Inventors: Chun-Hsien Lin, Shun-Yuan Hu, Tsau-Hua Hsieh, Li-Wei Mao, Tung-Kai Liu, Shu-Ming Kuo, Chih-Yung Hsieh
  • Patent number: 10885830
    Abstract: An electronic device includes a substrate and a plurality of light-emitting driving circuits. The plurality of light-emitting driving circuits are disposed on the substrate. Each of the plurality of light-emitting driving circuits includes a switch component and a pulse modulation unit. The switch component has a first terminal and a second terminal. The first terminal of the switch component is coupled to a comparison signal line. The pulse modulation unit has a first terminal and a second terminal. The first terminal of the pulse modulation unit is coupled to a data line, and the second terminal of the pulse modulation unit is coupled to the second terminal of the switch component.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: January 5, 2021
    Assignee: InnoLux Corporation
    Inventors: Ming-Chun Tseng, Chin-Lung Ting, Kung-Chen Kuo, Ker-Yih Kao, Chung-Kuang Wei, Chih-Yung Hsieh, Li-Wei Mao, Ho-Tien Chen, Cheng-Fu Wen
  • Patent number: 10867553
    Abstract: An electronic device includes an electronic unit including a light emitting diode (LED) and a driving unit coupled to the light emitting diode for receiving a data voltage. The electronic unit has a plurality of driving periods in a frame period, and the driving unit drives the LED according to the data voltage in the plurality of driving periods.
    Type: Grant
    Filed: March 24, 2019
    Date of Patent: December 15, 2020
    Assignee: InnoLux Corporation
    Inventors: Ming-Chun Tseng, Chin-Lung Ting, Li-Wei Mao
  • Patent number: 10839740
    Abstract: A panel includes a substrate having a top surface; a plurality of light-emitting elements disposed on the top surface of the substrate; and a shielding layer disposed between the plurality of light-emitting elements, wherein the shielding layer has a gloss unit lower than 100.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: November 17, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Li-Wei Mao, Chin-Lung Ting
  • Publication number: 20200357347
    Abstract: A light-emitting device and display equipment are disclosed. The light-emitting device includes a light-emitting unit. The light-emitting unit includes a driving transistor and a light-emitting diode. The driving transistor includes a first terminal, a second terminal and a gate terminal. The first terminal is used to receive an operation voltage. The light-emitting diode is coupled to the second terminal and used to receive a driving current. The operation voltage is variable.
    Type: Application
    Filed: April 13, 2020
    Publication date: November 12, 2020
    Inventors: Liang-Lu Chen, Chin-Lung Ting, Ker-Yih Kao, Li-Wei Mao, Ming-Chun Tseng
  • Publication number: 20200350295
    Abstract: A light-emitting device is provided, including a light-emitting unit and an optical layer. The light-emitting unit includes a light-emitting chip and an encapsulation disposed thereon. The optical layer is disposed on the light-emitting unit, the optical layer having a first region overlapping the light-emitting chip in a top view direction of the light-emitting device and a second region not overlapping the light-emitting chip in the top view direction of the light-emitting device, wherein the transmittance of the first region is less than the transmittance of the second region.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 5, 2020
    Inventors: Shun-Yuan HU, Chin-Lung TING, Ker-Yih KAO, Li-Wei MAO
  • Patent number: 10827582
    Abstract: The present disclosure provides an electronic device including a light-emitting unit and at least one circuit unit. The light-emitting unit includes at least two diodes coupled in series. At least one of the diodes is a light-emitting diode for generating light. The circuit unit includes a thin-film transistor or switch component coupled to a first end of the light-emitting unit and a power source.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: November 3, 2020
    Assignee: InnoLux Corporation
    Inventors: Li-Wei Mao, Chin-Lung Ting, Ming-Chun Tseng
  • Publication number: 20200278580
    Abstract: A display device is provided, which includes a display unit and a backlight module. The backlight module is disposed corresponding to the display unit. The backlight module includes a circuit board, a plurality of light sources, a diffuser plate and an optical film. The light sources are disposed on the circuit board, the diffuser plate is disposed between the light sources and the display unit, and the optical film is disposed between the diffuser plate and the display unit. The optical film includes a micro-structure, and the micro-structure faces the light sources.
    Type: Application
    Filed: May 20, 2020
    Publication date: September 3, 2020
    Inventors: Li-Wei MAO, Ming-Chia SHIH, Chih-Chang CHEN, Chung-Kuang WEI
  • Publication number: 20200235261
    Abstract: Some embodiments of the present disclosure provide a light-emitting diode package. The light-emitting diode package includes a transparent substrate. The light-emitting diode package also includes a first light-emitting diode which is disposed on the transparent substrate and has a first multiple quantum well structure. The light-emitting diode package further includes a second light-emitting diode which is disposed on the transparent substrate and has a second multiple quantum well structure. The first multiple quantum well structure and the second multiple quantum well structure are disposed to emit lights with different wavelengths.
    Type: Application
    Filed: December 24, 2019
    Publication date: July 23, 2020
    Inventors: Shun-Yuan HU, Chin-Lung TING, Ker-Yih KAO, Li-Wei MAO
  • Patent number: 10690960
    Abstract: A display device is provided, which includes a display unit and a backlight module. The backlight module is disposed corresponding to the display unit. The backlight module includes a circuit board, a plurality of light sources, a diffuser plate and an optical film. The light sources are disposed on the circuit board, the diffuser plate is disposed between the light sources and the display unit, and the optical film is disposed between the diffuser plate and the display unit. The optical film includes a micro-structure, and the micro-structure faces the light sources.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: June 23, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Li-Wei Mao, Ming-Chia Shih, Chih-Chang Chen, Chung-Kuang Wei
  • Patent number: 10685607
    Abstract: An adjustment method, which is adapted in a display including a plurality of pixels and a plurality of backlight illuminants, includes: inputting an image signal with a single chromaticity and luminance to the display; adjusting a set of a backlight red gray-level luminance, a backlight green gray-level luminance, and a backlight blue gray-level luminance for each of the illuminants, and the difference of the luminance of the backlight illuminants is between 0 and 10%; and adjusting a set of a pixel red gray-level value, a pixel green gray-level value, and a pixel blue gray-level value for each of the pixels, and the difference of the luminance of the pixels is between 0% and 5%.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: June 16, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Li-Wei Mao, Ming-Chia Shih
  • Publication number: 20200126475
    Abstract: An electronic device is provided. The electronic device includes a substrate and the electronic device also includes a light-emitting element, a sensing element and a black matrix disposed on the substrate. The sensing element is disposed adjacent to the light-emitting element. The black matrix has a plurality of openings and a light-shielding portion. The electronic device further includes a driving element disposed adjacent to and electrically connected to the light-emitting element. The sensing element includes a first thin-film transistor, and the driving element includes a second thin-film transistor. In a normal direction of the substrate, one of the openings is disposed corresponding to the sensing element, and the light-shielding portion is disposed corresponding to the driving element.
    Type: Application
    Filed: September 19, 2019
    Publication date: April 23, 2020
    Inventors: Chin-Lung TING, Li-Wei MAO, Shun-Yuan HU
  • Publication number: 20200111930
    Abstract: A display device is provided. The display device includes a display panel that has a display region. The display device also includes at least one image sensor that overlaps with the display region. The at least one image sensor includes a light-sensing element and at least one light-receiving element disposed on the light-sensing element.
    Type: Application
    Filed: September 11, 2019
    Publication date: April 9, 2020
    Inventors: Chin-Lung TING, Li-Wei MAO, Shun-Yuan HU
  • Patent number: 10607516
    Abstract: The disclosure provides a display device including a display panel and a light source module. The light source module is arranged on one side of the display panel and provides a display light source to the display panel. The light source module includes a first light-emitting component and a second light-emitting component. The first light-emitting component includes a first electroluminescent structure. The second light-emitting component includes a second electroluminescent structure. The second light-emitting component includes a wavelength-converting material, while the first light-emitting component does not include any wavelength-converting material. The display device is able to provide an ideal light source without consuming significant energy.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: March 31, 2020
    Assignee: Innolux Corporation
    Inventors: Li-Wei Mao, Chung-Kuang Wei, Ming-Chia Shih
  • Patent number: 10573248
    Abstract: A backlight driving device including a light source array, a driving circuit and a scanning circuit is provided. The light source array includes backlight units electrically connected to scanning lines and driving lines. The driving circuit outputs driving signals to the backlight units through the driving lines, and the driving signals respectively includes driving pulses in different time intervals. The scanning circuit outputs scanning signals to the backlight units through the scanning lines, and the scanning signals respectively includes a start pulse in at least one of the time intervals. The start pulses of the scanning signals respectively correspond to the driving pulses in the same time interval, and drive the backlight units of the each row of the light source array in time-division.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: February 25, 2020
    Assignee: Innolux Corporation
    Inventors: Li-Wei Mao, Tai-Chieh Huang
  • Publication number: 20200043906
    Abstract: The disclosure relates to a display device, including a first substrate, a light emitting component, an insulating layer, and a conductive element. The first substrate has a driving component and a common line. The light emitting component is disposed on the first substrate and has a first electrode and a second electrode. The first electrode is electrically connected to the driving component. The insulating layer is disposed to the first substrate and has a first opening and a second opening. The first opening exposes the second electrode of the light emitting component. The second opening exposes the common line. The common line is electrically connected to the second electrode through the conductive element.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 6, 2020
    Applicant: Innolux Corporation
    Inventors: Shu-Ming Kuo, Chih-Yung Hsieh, Li-Wei Mao, Tsau-Hua Hsieh, Tung-Kai Liu, Chia-Hsiu Hsu
  • Publication number: 20200035145
    Abstract: An electronic device includes a substrate and a plurality of light-emitting driving circuits. The plurality of light-emitting driving circuits are disposed on the substrate. Each of the plurality of light-emitting driving circuits includes a switch component and a pulse modulation unit. The switch component has a first terminal and a second terminal. The first terminal of the switch component is coupled to a comparison signal line. The pulse modulation unit has a first terminal and a second terminal. The first terminal of the pulse modulation unit is coupled to a data line, and the second terminal of the pulse modulation unit is coupled to the second terminal of the switch component.
    Type: Application
    Filed: June 24, 2019
    Publication date: January 30, 2020
    Inventors: Ming-Chun Tseng, Chin-Lung Ting, Kung-Chen Kuo, Ker-Yih Kao, Chung-Kuang Wei, Chih-Yung Hsieh, Li-Wei Mao, Ho-Tien Chen, Cheng-Fu Wen
  • Publication number: 20190373723
    Abstract: An electronic device includes a first substrate, a first conductive layer, a plurality of first electrode pads, a plurality of first light-emitting units, a plurality of first signal pads and a conductive structure. The first conductive layer is disposed on the first substrate. The first electrode pads are disposed on the first conductive layer. The first light-emitting units overlap and are disposed on the first electrode pads. The first light-emitting units are electrically connected to the first electrode pads respectively. The first signal pads are disposed on the first conductive layer and electrically connected to the first conductive layer. The conductive structure is disposed on the first signal pads, and at least two of the first signal pads are electrically connected to each other through the conductive structure.
    Type: Application
    Filed: May 3, 2019
    Publication date: December 5, 2019
    Inventors: Wen-Chang TSAI, Li-Wei MAO, Ming-Chun TSENG, Chi-Liang CHANG, Yi-Hua HSU, Meng-Chieh CHENG