Patents Assigned to EverDisplay Optronics (Shanghai) Limited
  • Patent number: 10559260
    Abstract: The present invention relates to an organic light emitting diode display capable of suppressing voltage distribution inhomogeneity on a display panel so as to realize a brightness homogeneity of a display screen. The organic light emitting diode display comprises a substrate, an active region disposed on the substrate, and an annular wiring similarly formed on the substrate and surrounding the periphery of the active region to form a closed pattern, the supply voltage supplied to the active region is applied to the annular wiring.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 11, 2020
    Assignee: EVERDISPLAY OPTRONICS (SHANGHAI) LIMITED
    Inventors: Jie Ni, Nana Xiong
  • Patent number: 10529281
    Abstract: The present disclosure relates to a pixel compensation circuit and display device. The circuit includes: first to fifth switching elements, a storage capacitor, and a driving element. Each of the first to fifth switching elements and the driving element has a control terminal, a first terminal and a second terminal. The storage capacitor has first and second terminals. The control terminals of the first and second switching elements are coupled to an output terminal for outputting an n-th gate driving signal, the control terminals of the third and fourth switching elements are coupled to an output terminal for outputting an enabling signal, the control terminal of the fifth switching element is coupled to an output terminal for outputting an (n?1)-th gate driving signal, the control terminal of the driving element is coupled to the second node, and the storage capacitor is coupled between the first and second nodes.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: January 7, 2020
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Jiangang Wang
  • Patent number: 10516003
    Abstract: The disclosure relates to a pixel arrangement structure of an organic light-emitting diode display panel, comprises a plurality of pixel groups, each of the pixel groups comprises a plurality of pixel areas, each of the pixel areas comprises any two or three kinds of pixels of first pixels, second pixels and third pixels, wherein the first pixels, the second pixels and the third pixels of each of the pixel groups are configured in an amount ratio of 1:2:1. Each pixel area comprises two kinds of pixels cooperatively used with the adjacent third pixels under the condition of forming different colors, to improve pixel utilization. In order to obtain at least two kinds of pixels in each pixel area, it is to increase area of the aperture during manufacturing the fine metal mask so as to improve aperture ratio of the pixel.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: December 24, 2019
    Assignee: EVERDISPLAY OPTRONICS (SHANGHAI) LIMITED
    Inventor: Wu Jiehuang
  • Patent number: 10467957
    Abstract: A transmitting control line driver, an OLED panel having same, and a display device. The transmitting control line driver comprises multiple stages of transmitting control line driver units. A first time sequence signal transmission line (Ck1) is coupled to first input ends (CKE1) in odd stages of the transmitting control line driver units and second input ends (CKE2) in even stages of the transmitting control line driver units. A second time sequence signal transmission line (CK2) is coupled to second input ends (CKE2) in the odd stages of the transmitting control line driver units and first input ends (CKE1) in the even stages of the transmitting control line driver units. A signal output end (out) of each stage of a transmitting control line driver unit is coupled to a third input end (in) of a subsequent stage of the transmitting control line driver unit.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: November 5, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventors: Ying-Hsiang Tseng, Lina Xiao
  • Patent number: 10453390
    Abstract: The present disclosure relates to a pixel circuit and a method for driving the same. The pixel circuit includes: first and second transistors, control terminals of which receive a first scan signal; third and fourth transistors, control terminals of which receive a second scan signal; a fifth transistor, a control terminal of which is electrically coupled to a capacitor; sixth, seventh and eighth transistors, control terminals of which receive a control signal; and a light emitting diode. The present disclosure can reduce or reversely compensate the current leakage, and thus the holding capability of the capacitor can be enhanced. Consequently, the image flicker and thereby the image reliability can be improved.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: October 22, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Shi-Song Zheng
  • Patent number: 10446775
    Abstract: The present disclosure relates to an organic element, a display panel and a display device. The organic light emitting element includes: a first electrode; a hole layer disposed on the first electrode; a light emitting layer including a first light emitting portion, a second light emitting portion and a third light emitting portion; an electron layer on the light emitting layer; and a second electrode disposed on the electron layer. An energy level difference between the hole layer and the first light emitting portion and/or an energy level difference between the first light emitting portion and the electron layer is greater than or equal to a first threshold, so that a turn-on voltage difference between the first light emitting portion and the second light emitting portion is smaller than a second threshold.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: October 15, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventors: Yanhu Li, Xin Mou
  • Patent number: 10439016
    Abstract: An array substrate includes: a substrate; a first metal layer, disposed on the substrate, the first metal layer forming a gate electrode, a scan line and a first electrode, the scan line extending along a first direction in a plane of a surface of the substrate; a first insulation layer, disposed on the first metal layer; a second metal layer, disposed on the first insulation layer, the second metal layer forming a second electrode, projections of the first electrode and the second electrode on the substrate at least partly overlapping one another; a second insulation layer, disposed on the second metal layer; and a third metal layer, disposed on a side of the second insulation layer away from the second metal layer, the third metal layer forming an initialization signal line.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: October 8, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Jui Ting Ho
  • Publication number: 20190305053
    Abstract: A touch control display panel includes a display area and a border area, wherein the border area is extended along a first direction, and the border area and the display area are arranged along a second direction perpendicular to the first direction. The border area includes a flexible-printed-circuit (FPC) touch control driver bonding area and a chip-on-film (COF) display driver bonding area, wherein the FPC touch control driver bonding area and the COF display driver bonding area are arranged along the first direction.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Applicant: EverDisplay Optronics (Shanghai) Limited
    Inventors: Hsin Chih LIN, Tangliang ZHAO
  • Patent number: 10431150
    Abstract: The present disclosure relates to a display device, a light-emitting control signal generating device and method. The generation device includes: a two-to-two multiplexer, configured to select the first input signal to be output from a first output terminal of the two-to-two multiplexer according to the first control signal, or select the second input signal to be output from a second output terminal of the two-to-two multiplexer according to the first control signal; a first operational amplifier, configured to receive the first input signal and output a first output signal; a second operational amplifier, configured to receive the second input signal and output a second output signal; and a three-to-one multiplexer, configured to receive the first output signal, an intermediate signal and the second output signal, and select one of them to be output as a light-emitting control signal according to a second control signal.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: October 1, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventors: Yuh-Wey Lin, Qiaoyu Pan, Yen-Jen Lai, Ying-Hsiang Tseng, Jiangang Wang
  • Publication number: 20190243494
    Abstract: A touch control display panel includes a substrate and a touch control panel disposed on a first side of the substrate. The touch panel includes a touch control area and a non-touch control area surrounding the touch control area. The non-touch control area includes a plurality of traces and a first shielding layer is disposed on a surface, away from the substrate, of the non-touch control area to shield the traces of the non-touch control area.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 8, 2019
    Applicant: EverDisplay Optronics (Shanghai) Limited
    Inventors: Pingping ZHANG, Junjun CHEN, HsinChih LIN, Shuangshuang DING
  • Patent number: 10374061
    Abstract: The present disclosure provides a display device, including: a gate line and a data line; a pixel array; a gate driver, configured to provide a gate signal to the gate line; a test circuit, coupled to a first input line and a second input line respectively; and a data driver, including a first power line, a first transistor and a third input line, wherein the first power line is configured to supply an initial voltage to the pixel array, the first power line is coupled to the first input line via the first transistor, a gate of the first transistor is coupled to the third input line, the third input line is configured to transmit a pre-charge control signal, and the pixel array is configured to supply the initial voltage to each pixel in the pixel array based on the pre-charge control signal.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: August 6, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Nana Xiong
  • Patent number: 10360848
    Abstract: The disclosure comprises a first to a seventh transistor, a capacitor and a light-emitting diode, the second end of the first transistor, the first end of the fifth transistor and one end of the capacitor being connected at the first node, the first end of the second transistor, the control end of the third transistor and the other end of the capacitor being connected at the second node. The second ends of the second, the third and the forth transistor is connect at the third node, the first end of the forth transistor and the first end of the seventh transistor is connected to the anode of the light-emitting diode. The second end of the sixth transistor is connected to the second node, and the second end of the fifth transistor, the first end of the sixth transistor and the second end of the seventh transistor connect with each other.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: July 23, 2019
    Assignee: EVERDISPLAY OPTRONICS (SHANGHAI) LIMITED
    Inventor: Huannan Wang
  • Publication number: 20190213944
    Abstract: The present disclosure provides a pixel circuit, a driving method, pixel structure and display panel. A driving unit of the pixel circuit includes an isolating transistor, driving transistor and light emitting control transistor coupled between an external power supply and light emitting unit in series with source and drain electrodes. Both gates of the light emitting control transistor and isolating transistor receive a first control signal, and the driving transistor and compensating transistor are transistors with common gate region. The driving transistor is used to generate a driving current to drive the light emitting unit to emit light when the isolating transistor and light emitting control transistor are turned on under the control of the first control signal, and the driving current is obtained according to the first voltage, a voltage of the external power supply, and a threshold voltage of the driving transistor in the driving unit.
    Type: Application
    Filed: July 5, 2018
    Publication date: July 11, 2019
    Applicant: EverDisplay Optronics (Shanghai) Limited
    Inventor: Xingyu ZHOU
  • Patent number: 10338726
    Abstract: The present disclosure provides a mobile device and a method of distinguishing between different touch forces. The method includes steps of: preloading an area of a maximum touch region with a maximum force, presetting a relationship among a current force, an area of a current touch region, the maximum force and the area of the maximum touch region, and presetting at least two force levels, wherein each of the at least two force levels corresponds to a respective range of a ratio of the current force to the maximum force; detecting and calculating the area of the current touch region of the touch component when touched; according to the relationship, calculating the ratio of the current force to the maximum force by using the area of the current touch region, so as to determine a corresponding one of the at least two force levels.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: July 2, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventors: Wei Sheng Su, Jr-Hong Chen, Hsiao-Yi Lin, Feng-Shuen Huang
  • Patent number: 10331281
    Abstract: The present disclosure relates to a method for filtering touch noise and a touch device. The method includes: when normal signals for at least one row of the touch electrodes are input to the touch panel, obtaining a standard capacitance value of each of the touch electrodes, and obtaining a connection capacitance value of each of the touch electrodes; for each of the touch electrodes: subtracting a connection capacitance value of another touch electrode, which is in the same row with and adjacent to the touch electrode in a first direction, from the connection capacitance value of the touch electrode to obtain a capacitance difference value; from the last touch electrode, calculating the capacitance value of the restoration signal for each touch electrode along a second direction opposite to the first direction. Coordinates are calculated according to the capacitance values of the restoration signals for individual touch electrodes.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: June 25, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Feng-Shuen Huang
  • Patent number: 10311771
    Abstract: The present disclosure provides a display device, and an image data processing apparatus and method. The image data processing apparatus is applied in a pixel matrix, and includes: an edge detecting module, configured to receive to-be-displayed image data in the pixel matrix, and perform edge detection on the to-be-displayed image data to acquire edge pixels located at an edge of a predetermined type; a subpixel selecting module, configured to judge whether the first and second subpixels in the edge pixels are located on an even more outer side at the edge of the predetermined type relative to the third subpixel, and select the first and second subpixels located on the even more outer side at the edge of the predetermined type relative to the third subpixel as to-be-adjusted subpixels; a luminance attenuating module, configured to perform luminance attenuation on the to-be-adjusted subpixels; and a data transmitting module.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: June 4, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Lina Xiao
  • Patent number: 10283055
    Abstract: The present invention discloses an organic light-emitting diode display device and a driving method thereof. The device includes: a plurality of pixels, including a plurality of organic light-emitting diodes and a plurality of drive transistors for supplying drive currents to the organic light-emitting diodes; a data driver, configured to transmit corresponding data signals to the plurality of pixels via a plurality of data lines; and a pre-charge circuit, configured to pre-charge voltage signals reserved in a previous time sequence to an initial voltage, the initial voltage being less than or equal to a minimum voltage of the data signals, wherein before the data driver transmits the corresponding data signals to the plurality of pixels, the pre-charge circuit acts to pre-charge the voltage signals reserved in the previous time sequence by the plurality of pixels to be less than or equal to the minimum voltage of the data signals.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: May 7, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Xingyu Zhou
  • Patent number: 10260872
    Abstract: The present application provides an LTPS multilayered structure, which includes: a first stack layer having a reference pattern structure formed thereon and provided with uniformly distributed first references; and a second stack layer disposed on the first stack layer and having an alignment pattern structure formed thereon and provided with uniformly distributed second references each selectively aligning with one of the first references so that misalignment between the first stack layer and the second stack layer is precisely calculated by markings attached to each of the first references. The present further provides a method for measuring misalignment between a plurality of stack layers in the LTPS multilayered structure.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: April 16, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventors: Ching Che Yang, Yu Chia Huang, Wei-Liang Wu
  • Patent number: 10249241
    Abstract: The present disclosure provides a method and a device of driving a display and a display device. The method includes: conducting first image data combined with image data relevant to the first image data in time/space by a micro disturbance operation processing, to obtain second image data; and outputting the second image data. By changing the conventional driving mechanism, conducting the first image data combined with relevant image data with respect to a time axis by an operation processing, for example, adding a time axis correction parameter which may be dynamically adjusted and conducting a micro disturbance operation, so as to determine color gray scales of respective sub-pixels on the display according to an adjusted driving circuit, which may make colors of image data on the display more plentiful and optimize display effect.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 2, 2019
    Assignee: EverDisplay Optronics (Shanghai) Limited
    Inventor: Ren-Hung Lin
  • Patent number: 10235941
    Abstract: The present invention relates to a pixel circuit comprising a first sub-pixel circuit and a second sub-pixel circuit, and the first sub-pixel circuit comprises a first light-emitting element which emits light in the first half of a frame period, and the second sub-pixel circuit comprises a second light-emitting element which emits light in the second half of the frame period.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: March 19, 2019
    Assignee: EVERDISPLAY OPTRONICS (SHANGHAI) LIMITED
    Inventor: Sisi Zhou