Patents by Inventor Yun-Li Li

Yun-Li Li 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: 20220302340
    Abstract: A micro light emitting diode panel is provided. The micro light emitting diode panel includes a circuit substrate, a plurality of transistor devices and a plurality of micro light emitting diode devices. The transistor devices are bonded to the circuit substrate. Each of the transistor devices has a semiconductor pattern, a source electrode, a drain electrode and a gate electrode. The source electrode and the drain electrode are electrically connected to the semiconductor pattern. The source electrode, the drain electrode, and the gate electrode are located between the semiconductor pattern and the circuit substrate. The electron mobility of the semiconductor pattern is greater than 20 cm2/V·s. The micro light emitting diode devices are bonded to the circuit substrate, and are electrically connected to the transistor devices respectively.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Ying-Tsang Liu, Chih-Ling Wu
  • Publication number: 20220293819
    Abstract: A light-emitting element including an epitaxial structure and a light guide structure is provided. The epitaxial structure has a first surface and a second surface opposite to each other and includes an active layer. The light guide structure is disposed on the first surface of the epitaxial structure and includes a first light reflection layer and a filter layer covering on an upper surface of the first light reflection layer. The first light reflection layer completely covers the first surface. A display panel is also provided.
    Type: Application
    Filed: April 28, 2021
    Publication date: September 15, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yen-Chun Tseng
  • Publication number: 20220246671
    Abstract: A micro light-emitting diode display panel includes a substrate, at least one light-emitting element, a reflective layer and a light-absorbing layer. The at least one light-emitting element is disposed on the substrate to define at least one pixel, and each light-emitting element includes micro light-emitting diodes. The reflective layer is disposed on the substrate and located between the micro light-emitting diodes. The reflective layer has cavities surrounding the micro light-emitting diodes, such that a thickness of a portion of the reflective layer close to any one of the micro light-emitting diodes is greater than a thickness of a portion of the reflective layer away from the corresponding micro light-emitting diode. The light-absorbing layer is at least disposed in the cavities of the reflective layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: August 4, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Sheng-Yuan Sun, Loganathan Murugan, Po-Wei Chiu, Yun-Li Li
  • Patent number: 11392007
    Abstract: A display apparatus including a reflective display panel and a micro light-emitting diode panel is provided. The display apparatus has a display surface and the reflective display panel has a reflective surface. The micro light-emitting diode panel is overlapped with the reflective display panel and includes a driving circuit layer and a plurality of light-emitting diode devices. The driving circuit layer is positioned between the reflective display panel and the display surface. The micro light-emitting diode devices are electrically bonded to the driving circuit layer. The display surface and the reflective surface are respectively disposed on two opposite sides of the micro light-emitting diode devices and the transmittance of the micro light-emitting diode panel within a wavelength range of visible light is higher than 50%.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: July 19, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Kuan-Yung Liao
  • Patent number: 11380815
    Abstract: A method of fabricating a micro light emitting diode (LED) panel is provided. The method includes forming a semiconductor material substrate, forming a plurality of transistor devices, transferring and bonding the transistor devices onto a circuit substrate, and transferring a plurality of micro LED devices from a micro LED device substrate to the circuit substrate. The semiconductor material substrate includes a carrier, a release layer, an inorganic insulation layer, and a semiconductor material layer. The release layer is located between the carrier and the inorganic insulation layer. The semiconductor material layer is bonded to the release layer through the inorganic insulation layer. Electron mobility of the semiconductor material layer is greater than 20 cm2/V·s. The transistor devices are disposed on the release layer and are electrically connected to the circuit substrate. The micro LED devices are electrically connected to the transistor devices. A micro LED panel is also provided.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: July 5, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Ying-Tsang Liu, Chih-Ling Wu
  • Publication number: 20220172673
    Abstract: A micro light emitting diode display panel including a plurality of display units and a control element is provided. The plurality of display units are arranged in an array and each of the plurality of display units includes a first sub-pixel. The first sub-pixel includes a first micro light-emitting diode and a second micro light-emitting diode. The control element is configured to control light emission of the first micro light-emitting diode and the second micro light-emitting diode and determines operating currents of the first micro light-emitting diode and the second micro light-emitting diode. In a same display image, the operating current of the first micro light-emitting diode increases as an operating temperature of the first sub-pixel increases.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Yu-Chu Li, Kuan-Yung Liao
  • Publication number: 20220165785
    Abstract: A micro LED transparent display has a first display surface and a second display surface, which are opposite to each other. The micro LED transparent display includes a substrate, pixels and at least one grating layer. The first display surface and the second display surface are located on two opposite sides of the substrate, respectively. The pixels are arranged in arrays on the substrate, each of the pixels includes micro LEDs, and the micro LEDs are electrically connected to the substrate. The grating layer is disposed on the substrate, and the micro LEDs are located between the grating layer and the substrate. Lights generated from the micro LEDs of the pixels can be controlled by the grating layer, and the lights partially penetrate through the first display surface and are partially reflected and penetrate through the second display surface.
    Type: Application
    Filed: December 28, 2020
    Publication date: May 26, 2022
    Inventors: KUAN-YUNG LIAO, YUN-LI LI
  • Publication number: 20220045248
    Abstract: A micro-LED display includes a casing, a light-transmitting cover, a micro-LED array substrate, a circuit board, and at least one functional component. The light-transmitting cover is disposed on the casing and has a display area, a non-display area, and a plurality of first vias. The first vias are located in the display area. The micro-LED array substrate is disposed between the light-transmitting cover and the casing. The micro-LED array substrate has a plurality of second vias overlapped with the first vias in an orthogonal projection direction. The circuit board is disposed between the micro-LED array substrate and the casing, and the circuit board has a functional component disposing area overlapped with the display area in the orthogonal projection direction. The functional component is disposed in the functional component disposing area. The functional component is overlapped with the second vias in the orthogonal projection direction.
    Type: Application
    Filed: November 20, 2020
    Publication date: February 10, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Kuan-Yung Liao, Yun-Li Li
  • Publication number: 20220029045
    Abstract: A micro-electronic element transfer apparatus including a first conveyer portion, a second conveyer portion, and a light source device is provided. The first conveyer portion is configured to output a plurality of micro-electronic elements. The second conveyer portion includes a first rolling component and a substrate. The substrate is disposed on the first rolling component and is moved through rolling of the first rolling component. A plurality of bumps are disposed on the substrate. The light source device is configured to irradiate the bumps for heating, and the bumps generate a phase transition. When the micro-electronic elements are outputted from the first conveyer portion, a connection force between the micro-electronic elements and the first conveyer portion is less than a connection force between the micro-electronic elements and the bumps. The micro-electronic elements are respectively bonded to the bumps. A micro-electronic element transfer method is also provided.
    Type: Application
    Filed: November 3, 2020
    Publication date: January 27, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Yi-Chun Shih
  • Patent number: 11183622
    Abstract: A micro light-emitting device module includes a circuit substrate, a planarization layer and a micro light-emitting device. The planarization layer is disposed on an upper surface of the circuit substrate and has a first surface and a second surface opposite to each other. The second surface is in contact with the upper surface of the circuit substrate. The micro light-emitting device is disposed on the first surface of the planarization layer. A maximum height difference of the second surface of the planarization layer is greater than a thickness of the micro light-emitting device.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 23, 2021
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yu-Hung Lai, Pei-Hsin Chen, Yi-Chun Shih
  • Patent number: 11163192
    Abstract: A display apparatus including a first display surface and a second display surface opposite to each other is provided. The display apparatus includes a reflective display panel and a micro light-emitting diode (LED) panel. The reflective display panel is provided with the first display surface and a visible light transmittance of the reflective display panel is higher than 30%. The micro LED panel is disposed overlapping with the reflective display panel and provided with the second display surface. The micro LED panel includes a drive circuit layer and a plurality of micro LED elements. The drive circuit layer is located between the reflective display panel and the second display surface. The micro LED elements are electrically bonded to the drive circuit layer. A visible light transmittance of the micro LED panel is higher than 50%.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: November 2, 2021
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Kuan-Yung Liao
  • Patent number: 11137657
    Abstract: A display apparatus including an electrically-controlled phase retardation layer, a reflective polarizer, a micro light emitting diode panel and a reflective layer is provided. The electrically-controlled phase retardation layer has a first side and a second side opposite to each other. The reflective polarizer is disposed at the first side of the electrically-controlled phase retardation layer. The micro light emitting diode panel is disposed at the second side of the electrically-controlled phase retardation layer and includes a circuit substrate and a plurality of micro light emitting diodes. The reflective layer is disposed between the reflective polarizer and the circuit substrate. An orthogonal projection of the reflective layer on the circuit substrate is not overlapped with orthogonal projections of the micro light emitting diodes on the circuit substrate.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: October 5, 2021
    Assignee: PlayNitride Display Co., Ltd.
    Inventor: Yun-Li Li
  • Patent number: 11127341
    Abstract: A light emitting module including a circuit carrier and a plurality of light emitting devices is provided. The circuit carrier includes a first circuit layer, a second circuit layer, a dielectric layer and a plurality of conductive vias. The first circuit layer and the second circuit layer are located at two opposite sides of the dielectric layer. The conductive vias pass through the dielectric layer and two opposite end portions of each of the conductive vias are respectively connected to the first circuit layer and the second circuit layer. The light emitting devices are electrically bonded to the first circuit layer. Moreover, the light emitting devices are disposed in a device disposing area of the circuit carrier and the conductive vias are arranged outside the device disposing area. A display device is also provided.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: September 21, 2021
    Assignee: PlayNitride Inc.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yu-Hung Lai, Po-Jen Su, Hsuan-Wei Mai
  • Patent number: 11120099
    Abstract: Rendering a web element in a web page in an integrated development environment is provided. A reference address is extracted from code of a web page. The reference address references a web element. The web element is obtained based on the reference address and in response to the reference address indicating that the web element is an embedded web element. The web element is added to a resource pool. The web element of the resource pool is rendered in the web page.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: September 14, 2021
    Assignee: International Business machines Corporation
    Inventors: Na Dong, David L. Kaminsky, Yun Li Li, Xi Ning Wang, Rui Yin
  • Publication number: 20210265321
    Abstract: A micro light emitting diode structure includes a temporary substrate, a plurality of micro light emitting elements, a plurality of light blocking structures, and a connection layer. The micro light emitting elements and the light blocking structures are disposed on the temporary substrate and arranged alternately. Each of the light blocking structures includes a light blocking layer, and a light shielding layer disposed on the light blocking layer. The micro light emitting elements and the light blocking structures are fixed to the temporary substrate by the connection layer. A reflectivity of the light blocking layer is greater than a reflectivity of the connection layer, and a Young's modulus of the light blocking layer is greater than a Young's modulus of the connection layer.
    Type: Application
    Filed: October 29, 2020
    Publication date: August 26, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventor: Yun-Li Li
  • Publication number: 20210265524
    Abstract: A micro LED display device includes a display substrate. The display substrate has a first transfer area and a second transfer area adjacent to each other. Both the first transfer area and the second transfer area include a plurality of pixel areas. The pixel area of the first transfer area includes a first micro light-emitting element arranged in a straight line along a first direction. The pixel area of the second transfer area includes a second micro light-emitting element arranged in another straight line along the first direction. In the first direction, the first micro light-emitting element and the second micro light-emitting element are arranged in a staggered manner. A manufacturing method of a micro LED display device is also provided.
    Type: Application
    Filed: December 3, 2020
    Publication date: August 26, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung Lai, Yun-Li Li, Tzu-Yang Lin
  • Publication number: 20210225817
    Abstract: A micro LED display panel includes a driving substrate and a plurality of micro light emitting diodes (LEDs). The driving substrate has a plurality of pixel regions. Each of the pixel regions includes a plurality of sub-pixel regions. The micro LEDs are located on the driving substrate. At least one of the sub-pixel regions is provided with two micro LEDs of the micro LEDs electrically connected in series, and a dominant wavelength of the two micro LEDs is within a wavelength range of a specific color light. In a repaired sub-pixel region of the sub-pixel regions, only one of the two micro LEDs emits light. In a normal sub-pixel region of the sub-pixel regions, both of the two micro LEDs emit light.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 22, 2021
    Applicant: PlayNitride Inc.
    Inventors: Kuan-Yung Liao, Ching-Liang Lin, Yun-Li Li, Yu-Chu Li
  • Publication number: 20210191174
    Abstract: A display apparatus including an electrically-controlled phase retardation layer, a reflective polarizer, a micro light emitting diode panel and a reflective layer is provided. The electrically-controlled phase retardation layer has a first side and a second side opposite to each other. The reflective polarizer is disposed at the first side of the electrically-controlled phase retardation layer. The micro light emitting diode panel is disposed at the second side of the electrically-controlled phase retardation layer and includes a circuit substrate and a plurality of micro light emitting diodes. The reflective layer is disposed between the reflective polarizer and the circuit substrate. An orthogonal projection of the reflective layer on the circuit substrate is not overlapped with orthogonal projections of the micro light emitting diodes on the circuit substrate.
    Type: Application
    Filed: September 3, 2020
    Publication date: June 24, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventor: Yun-Li Li
  • Publication number: 20210125970
    Abstract: A micro light-emitting device module includes a circuit substrate, a planarization layer and a micro light-emitting device. The planarization layer is disposed on an upper surface of the circuit substrate and has a first surface and a second surface opposite to each other. The second surface is in contact with the upper surface of the circuit substrate. The micro light-emitting device is disposed on the first surface of the planarization layer. A maximum height difference of the second surface of the planarization layer is greater than a thickness of the micro light-emitting device.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 29, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yu-Hung Lai, Pei-Hsin Chen, Yi-Chun Shih
  • Patent number: 10916682
    Abstract: A micro light-emitting device includes an epitaxial structure, a first type pad, a current commanding structure and an insulating layer. The epitaxial structure includes a first type semiconductor layer, a light-emitting layer and a second type semiconductor layer. The first type pad is disposed on the epitaxial structure and electrically connected to the first type semiconductor layer. The current commanding structure is disposed on the epitaxial structure and electrically connected to the second type semiconductor layer. An orthogonal projection area of the current commanding structure on the second type semiconductor layer is smaller than a surface area of a surface of the second type semiconductor layer. The insulating layer contacts a portion of the current commanding structure and a portion of the surface of the second type semiconductor layer. The insulating layer has an opening exposing at least a portion of the portion of the current commanding structure.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: February 9, 2021
    Assignee: PlayNitride Inc.
    Inventors: Yun-Li Li, Yu-Chu Li, Pei-Hsin Chen