Patents Assigned to E Ink Holding Inc.
  • Patent number: 11460625
    Abstract: A light guide module suitable for being disposed on a reflective display panel includes a light guide plate and a light-shielding part. The light guide plate has a first surface, a second surface opposite to the first surface, and an optical structure formed in the first surface. The first surface has a display area and an edge area surrounding the display area, and the optical structure is distributed in the display area. The light-shielding part is disposed on the first surface and covers the edge area, in which the light-shielding part has an opening exposing the display area.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: October 4, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Hsin-Tao Huang, Yu-Chuan Wen
  • Publication number: 20220299686
    Abstract: A color filter module is provided. The color filter module is disposed on an electrophoretic display panel. The color filter module includes a transparent substrate and a color resist layer. The transparent substrate includes a plurality of pixel regions arranged in an array. Each of the plurality of pixel regions includes a plurality of sub-pixel regions. The color resist layer is disposed on the transparent substrate. Among the plurality of sub-pixel regions of the transparent substrate, a first sub-pixel region and a second sub-pixel region that correspond to a same color and are adjacent to each other are provided with a plurality of color resist units of the same color of the color resist layer. The plurality of color resist units are arranged in an array and arranged in a discontinuous pattern.
    Type: Application
    Filed: January 13, 2022
    Publication date: September 22, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Ian French, Po-Yuan Lo, Liang-Yu Lin
  • Publication number: 20220301509
    Abstract: An electronic paper display device and an operation method thereof are provided. The electronic paper display device includes an electronic paper display panel and a timing controller. The timing controller includes a first image buffer memory, a second image buffer memory, and an update buffer memory. The timing controller receives a touch track data. The first image buffer memory and the second image buffer memory are a ping-pong buffer architecture, and receive a video stream in staggered timing. The second image buffer memory receives the touch track data and simultaneously updates a current display screen data stored in the update buffer memory when the first image buffer memory receives the video stream to update the current display screen data into the update buffer memory. The timing controller drives the electronic paper display panel according to the current display screen data.
    Type: Application
    Filed: January 24, 2022
    Publication date: September 22, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Hsiao-Lung Cheng, Shu-Cheng Liu, Pei-Lin Tien, Cheng-Hsin Chu, Chi-Mao Hung
  • Publication number: 20220291801
    Abstract: A driving circuit of a display and an operation method of a timing controller are provided. The driving circuit of the display includes a timing controller. The timing controller is coupled to a general purpose input/output (GPIO) pin of the touch driver. The timing controller receives an instruction signal via the general purpose input/output pin of the touch driver. The timing controller starts a detection period according to a main falling edge of the instruction signal. The timing controller determines a current operating status of the touch driver according to a number of sub-falling edges of the instruction signal during the detection period.
    Type: Application
    Filed: January 21, 2022
    Publication date: September 15, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Hsiao-Lung Cheng, Shu-Cheng Liu, Pei-Lin Tien, I-Shin Lo, Chi-Mao Hung
  • Patent number: 11428400
    Abstract: A light source module, including a circuit board, a light-emitting element, a light-guiding plate, a first waterproof layer, a second waterproof layer, and a third waterproof layer, is provided. The light-emitting element is configured on the circuit board. The light-guiding plate includes at least one through hole. The circuit board is configured on a first surface of the light guide plate so that the light-emitting element inserts into the at least one through hole. The first waterproof layer is located on a second surface of the light-guiding plate that is opposite to the first surface, and covers the at least one through hole. The second waterproof layer is located between the first surface and the circuit board. The third waterproof layer is located between the second surface and the first waterproof layer.
    Type: Grant
    Filed: August 29, 2021
    Date of Patent: August 30, 2022
    Assignee: E Ink Holdings Inc.
    Inventor: Chao-Chun Cheng
  • Publication number: 20220244611
    Abstract: An electrophoretic display device includes a backplane structure, a buffer layer, a spacer wall, a display medium, an upper substrate and an upper electrode. The backplane structure includes a lower substrate, a transistor formed on the lower substrate, and a lower electrode electrically connected to the transistor. The buffer layer is disposed on the backplane structure. The spacer wall is disposed on the buffer layer and forms a closed pattern. The display medium is disposed in the closed pattern. The display medium includes an electrophoretic medium and a plurality of electrophoretic particles dispersed in the electrophoretic medium. The upper substrate is disposed on the spacer wall and the display medium. The upper electrode is disposed between the upper substrate and the spacer wall.
    Type: Application
    Filed: January 14, 2022
    Publication date: August 4, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Shu-Fen TSAI, Hsien-Yi HSIAO, Ming-Kai CHUANG, Puru Howard SHIEH
  • Patent number: 11395400
    Abstract: A display device includes a driving substrate, a front panel laminate, a circuit board, a front protective layer, and a glue. The front panel laminate is disposed on the driving substrate and includes a display medium layer. The circuit board is disposed on an end of the driving substrate. The front protective layer is disposed on the front panel laminate. The front protective layer has a notch. An end of the circuit board is in the notch. The end of the circuit board and the front protective layer have a first gap therebetween. The glue is filled in the first gap. A normal projection of the glue on the driving substrate overlaps a normal projection of the circuit board on the driving substrate and overlaps a normal projection of the front protective layer on the driving substrate.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: July 19, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Yu-Ting Ku, Tzu-Yu Cheng
  • Patent number: 11391685
    Abstract: A sensitive device includes a plurality of first conductive nanostructures, a conductive layer and at least one electrode. The conductive layer covers the first conductive nanostructures. An intrinsic melting point of the conductive layer is higher than that of the first conductive nanostructures. At least one of the conductive layer and the first conductive nanostructures is sensitive to gas. The electrode is electrically connected to at least one of the first conductive nanostructures and the conductive layer.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: July 19, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Hsiao-Wen Zan, Chuang-Chuang Tsai, Po-Yi Chang, Hung-Chuan Liu, Yi-Ting Chou, Wei-Tsung Chen
  • Publication number: 20220223113
    Abstract: An electronic paper display and a driving method thereof are provided. The electronic paper display includes an electronic paper display panel, a touch panel and a processing circuit. The touch panel outputs a first touch coordinate of a current touch and a second touch coordinate of a next touch. The processing circuit executes a filter module and a line drawing module. The filter module outputs a first measured position data and a first predicted position data to the line drawing module. The line drawing module drives the electronic paper display panel to display a first predicted track. The filter module outputs a second measured position data to the line drawing module. The line drawing module determines whether a second track display coordinate corresponding to the second measured position data is equal to the first predicted display coordinate to correct the first predicted track.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 14, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Shu-Cheng Liu, Hsiao-Lung Cheng, Pei-Lin Tien, Chi-Mao Hung, Wen-Pin Liu
  • Publication number: 20220208131
    Abstract: An electrophoretic display device and a driving method for electrophoretic display device are provided. The electrophoretic display device includes an electrophoretic display panel, a network module, a processor and an electrophoretic display driver. The network module is configured to transmit a panel information of the electrophoretic display panel to a web application programming interface. The processor is coupled to the electrophoretic panel and the network module. The processor is configured to receive an image information packet corresponding to the panel information via the web application programming interface. The electrophoretic display driver is coupled to the processor and the electrophoretic display panel. The processor makes the electrophoretic display driver drive the electrophoretic display panel to display an image information according to the image information packet.
    Type: Application
    Filed: October 19, 2021
    Publication date: June 30, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Chi-Mao Hung, Jia-Hong Xu
  • Patent number: 11373012
    Abstract: A smart display card and an operation method thereof are provided. The smart display card includes a connection interface, a security chip, a processing chip, and a display. The connection interface receives a power signal and a data signal provided by an external card reader when the smart display card is connected to the external card reader. The security chip is coupled to the connection interface and receives the power signal and the data signal. The security chip complies with a first communication protocol. The processing chip is coupled to the connection interface and receives the power signal and the data signal. The processing chip complies with a second communication protocol different from the first communication protocol. The display is coupled to the processing chip. The processing chip drives the display based on the power signal and the data signal.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: June 28, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Chuen-Jen Liu, Jia-Hong Xu
  • Patent number: 11362547
    Abstract: A wireless power supply apparatus including a signal transmitting terminal and a signal receiving terminal is provided. The signal transmitting terminal encodes a digital data into a control signal and transmits a power supply signal in a manner of wireless communication according to the control signal. The signal receiving terminal receives the power supply signal from the signal transmitting terminal in the manner of wireless communication. The signal receiving terminal converts the power supply signal into a power source signal and a data signal and decodes the data signal into the digital data.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: June 14, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Chuen-Jen Liu, Yi-Jhou Shen, Liang-Yu Yan
  • Patent number: 11347260
    Abstract: A front light module includes a light source having a light emitting surface and a light guide plate having a microstructure region. The microstructure region includes a first microstructure and a second microstructure. The first microstructure is located between the light emitting surface of the light source and the second microstructure. A surface of the first microstructure close to the light source and a direction of an optical axis have a first angle. A surface of the first microstructure away from the light source and the direction of the optical axis have a second angle. A surface of the second microstructure away from the light source and the direction of the optical axis have a third angle. The first angle and the second angle are respectively in a range of 30 degrees to 50 degrees and a range of 60 degrees to 90 degrees.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: May 31, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Ching-Huan Liao, Hsin-Tao Huang
  • Publication number: 20220148526
    Abstract: A display apparatus including a display panel and a display driver is provided. The display driver is coupled to the display panel. The display driver is configured to drive the display panel by at least one of a plurality of gray levels to display an image frame in a first state. The display driver is configured to drive the display panel by a predetermined gray level to display a standby frame in a second state. The display driver determines the predetermined gray level of the standby frame according to the gray levels of the image frame. In addition, a driving method of a display apparatus is also provided.
    Type: Application
    Filed: August 26, 2021
    Publication date: May 12, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Yi-Sheng Lin, Chen Chu Tsai, Chia-Chun Yeh
  • Patent number: 11320930
    Abstract: An electronic paper display and a driving method thereof are provided. The electronic paper display includes an electronic paper display panel, a touch panel and a processing circuit. The electronic paper display panel is configured to display a display screen with a background in a first color. The touch panel is integrated with the electronic paper display panel and configured to output a first touch coordinate of a current touch. The processing circuit is configured to drive the electronic paper display panel to display a first touch track having a second color and corresponding to the first touch coordinate and a previous touch coordinate. The processing circuit further drives, according to the first touch track and a previous touch track, the electronic paper display panel to display a predicted track having a third color.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: May 3, 2022
    Assignee: E Ink Holdings Inc.
    Inventor: Wen-Pin Liu
  • Patent number: 11314141
    Abstract: An electrophoretic display device includes an electrophoretic display module, and a polymer light emitting diode (PLED) module. The polymer light emitting diode (PLED) module is over the electrophoretic display module, and is aligned with and is attached to the electrophoretic display module. In a dark environment, the polymer light emitting diode (PLED) module can emit light to supplement the insufficient ambient light, so that the users may observe the information or pattern displayed by the electrophoretic display device. The electrophoretic display device can be a flexible electrophoretic display device.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: April 26, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Publication number: 20220122508
    Abstract: A display apparatus, including a display panel and a first driver, is provided. The display panel includes multiple pixel circuits and multiple first wires. The first wires are configured to transmit multiple first driving signals. Each of the first wires includes a first portion and a second portion. The first driving signal is transmitted in the first portion and the second portion in different directions. The first driver is coupled to the display panel. The first driver is configured to output the driving signals to drive the display panel.
    Type: Application
    Filed: July 8, 2021
    Publication date: April 21, 2022
    Applicant: E Ink Holdings Inc.
    Inventor: Chien-Hsing Chang
  • Patent number: 11269234
    Abstract: A reflective display device includes a thin-film transistor (TFT) array substrate, a front panel laminate (FPL), a front protection sheet, a back protection sheet, a light blocking layer, and a light source. The front panel laminate is located on the TFT array substrate, and has a transparent conductive layer and a display medium layer. The display medium layer is located between the transparent conductive layer and the TFT array substrate. The front protection sheet is located on the front panel laminate. The back protection sheet is located below the TFT array substrate. The light blocking layer at least covers a lateral surface of the back protection sheet. The light source faces toward a lateral surface of the front panel laminate, a lateral surface of the TFT array substrate, and the lateral surface of the back protection sheet.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 8, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Chia-Chi Chang, Chih-Chun Chen, Chi-Ming Wu, Yi-Ching Wang, Jia-Hung Chen, Cheng-Hsien Lin
  • Patent number: 11269434
    Abstract: A touch structure including an insulating substrate, an electromagnetic shielding structure layer, a sensing circuit structure layer, a first insulating layer, and a second insulating layer is provided. The electromagnetic shielding structure layer is disposed on the insulating substrate, and located between the insulating substrate and the sensing circuit structure layer. The sensing circuit structure layer is disposed on the insulating substrate, and includes a first sensing circuit layer and a second sensing circuit layer. The first insulating layer is disposed between the electromagnetic shielding structure layer and the first sensing circuit layer. The second insulating layer is disposed between the first sensing circuit layer and the second sensing circuit layer.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: March 8, 2022
    Assignee: E Ink Holdings Inc.
    Inventor: Chien-Hsing Chang
  • Publication number: 20220057689
    Abstract: An electrophoretic display device, including a substrate, a first conductive layer, multiple insulating patterns, a second conductive layer, an adhesive layer, and an electrophoretic display film, is provided. The first conductive layer is disposed on the substrate, and includes multiple background patterns and multiple signal lines. Each of the signal lines is located between two adjacent background patterns. Each of the insulating patterns covers each of the signal lines and bridges to the two adjacent background patterns. The second conductive layer includes multiple conductive patterns. Each of the conductive patterns covers the each of the insulating patterns and bridges to the two adjacent background patterns. The adhesive layer is disposed on and in direct contact with the background pattern and the second conductive layer. The electrophoretic display film is disposed above the adhesive layer.
    Type: Application
    Filed: July 8, 2021
    Publication date: February 24, 2022
    Applicant: E Ink Holdings Inc.
    Inventors: Hsiao-Lung Cheng, Pei-Lin Tien, I-Shin Lo, Chi-Mao Hung