Patents Assigned to E Ink Holdings Inc.
  • 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
  • Publication number: 20220057688
    Abstract: An electrophoretic display device includes a substrate, an electrophoretic display film, a plurality of second electrodes, and a plurality of third electrodes. The electrophoretic display film is disposed on the substrate and includes a display medium layer and a first electrode. The second electrodes and the third electrodes are disposed on the substrate and located between the display medium layer and the substrate. A first voltage received by each of the second electrodes is controlled by a corresponding thin-film transistor. The third electrodes and the second electrodes are alternately disposed in a direction. The first voltage is different from a second voltage received by the third electrodes.
    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
  • Patent number: 11244638
    Abstract: A trace structure of a display panel including a first metal layer and a second metal layer is provided. The first metal layer is configured to transmit a first voltage. The second metal layer is disposed under the first metal layer and configured to transmit a second voltage. The first metal layer and the second metal layer form the trace structure on the display panel, such that the trace structure has a capacitor structure. The trace structure is configured to connect a power input and a panel driver circuit.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: February 8, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Xue-Hung Tsai, Wei-Tsung Chen, Po-Hsin Lin
  • Patent number: 11244597
    Abstract: A display device and a driving protection method thereof are provided. The display device includes a timing controller and a source driver. The timing controller encrypts a verification data to generate a first encryption signal. The source driver coupled to the timing controller receives the first encryption signal. The source driver decrypts the first encryption signal to obtain a first decryption data. The source driver encrypts the first decryption data to generate a second encryption signal. The source driver outputs the second encryption signal to the timing controller. The timing controller decrypts the second encryption signal to obtain a second decryption data. When the timing controller determines that the second decryption data matches the verification data, the timing controller enables the source driver to perform display driving.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: February 8, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Huei-Jyun Lin, Chun-Ta Chien, Chia-Hao Kuo
  • Patent number: 11226400
    Abstract: A proximity sensor includes a substrate, a light source, a finger electrode, an active layer, and a transparent electrode layer. The substrate has opposite top and bottom surfaces. The light source faces toward the bottom surface of the substrate. The finger electrode is located on the top surface of the substrate, and has finger portions and gaps between every two adjacent finger portions. The active layer covers the finger electrode, and is located in the gaps. The transparent electrode layer is located on the active layer. When the light source emits light, the light through the gaps sequentially passes through the active layer and the transparent electrode layer onto a reflective surface. The light is reflected by the reflective surface to form reflected light, and the reflected light passes through the transparent electrode layer and is received by the active layer.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: January 18, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Hsiao-Wen Zan, Chuang-Chuang Tsai, Ching-Fu Lin, Chao-Hsuan Chen, Zong-Xuan Li, Wei-Tsung Chen
  • Patent number: 11227557
    Abstract: The present disclosure provides a display device. The display device includes a substrate, a pixel array, a circuit bridge structure, a first trace region, a second trace region, and a display film layer. The pixel array is located on the substrate. The circuit bridge structure is located at one side of the pixel array. The first trace region is located between the pixel array and a first side of the circuit bridge structure. The second trace region is located at a second side opposite to the first side. The display film layer is located on the pixel array, and an orthogonal projection of the display film layer on the substrate is spaced apart from an orthogonal projection of the circuit bridge structure on the substrate.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: January 18, 2022
    Assignee: E Ink Holdings Inc.
    Inventors: Chia-Chi Chang, Chih-Chun Chen, Chi-Ming Wu, Yi-Ching Wang, Jia-Hung Chen