Patents Assigned to E Ink Holding Inc.
  • Patent number: 11151951
    Abstract: An electro-phoretic display including a display panel and a driving circuit. The display panel is configured to display image frames. The driving circuit is coupled to the display panel. The driving circuit is configured to drive the display panel to display the image frames according to a driving signal. The driving signal includes a first pulse and a second pulse. A driving period of the driving signal includes a first stage, a second stage and a driving stage in sequence. The first pulse is located before the driving stage, and the second pulse is located in the second stage. The pulse width of the first pulse is larger than that of the second pulse. In addition, a driving method of an electro-phoretic display is also provided.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 19, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Feng-Shou Lin, Chen-Kai Chiu, Chih-Yu Cheng
  • Publication number: 20210318775
    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: Application
    Filed: February 22, 2021
    Publication date: October 14, 2021
    Applicant: E Ink Holdings Inc.
    Inventor: Wen-Pin Liu
  • Publication number: 20210318586
    Abstract: An electronic paper package structure including a substrate, an electronic ink layer, a cover plate, at least one water vapor barrier and a sealant is provided. The electronic ink layer is disposed on the substrate. The cover plate covers the electronic ink layer, wherein the electronic ink layer is located between the substrate and the cover plate, and a groove is defined by a lower surface of the cover plate, a side surface of the electronic ink layer and an upper surface of the substrate. The at least one water vapor barrier is disposed in the groove. The sealant is filled into the groove to cover the at least one water vapor barrier.
    Type: Application
    Filed: February 24, 2021
    Publication date: October 14, 2021
    Applicant: E Ink Holdings Inc.
    Inventor: Jen-Shiun HUANG
  • Patent number: 11147172
    Abstract: A display device includes an array substrate and two electronic ink layers. The array substrate includes two active regions and a folding region that connects these two active regions. The two active regions are located at two opposite sides of the folding region. The two electronic ink layers are respectively located on the two active regions. The folding region of the array substrate is located below a gap between the two electronic ink layers. When the display device is at an unfolded state, two edges of the two electronic ink layers are adjacent to each other. When the display device is at a folded state, the two electronic ink layers are located between the two active regions of the array substrate.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: October 12, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Hsing-Kai Wang, Yung-Sheng Chang, Chia-Chun Yeh, Yi-Sheng Lin
  • Publication number: 20210295764
    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: Application
    Filed: February 19, 2021
    Publication date: September 23, 2021
    Applicant: E Ink Holdings Inc.
    Inventors: Huei-Jyun Lin, Chun-Ta Chien, Chia-Hao Kuo
  • Patent number: 11120761
    Abstract: A driving substrate includes a substrate, at least one active device, a resistor, a first passivation layer and a second passivation layer. The active device including an oxide semiconductor layer and the resistor coupled to the active device are disposed on the substrate. The first passivation layer covers the active device, wherein a portion of the first passivation layer directly contacts to the oxide semiconductor layer such that the oxide semiconductor layer has a first conductivity. The second passivation layer covers the first passivation layer and the resistor, wherein a portion of the second passivation layer directly contacts to the resistor such that the resistor has a second conductivity. The first conductivity is different from the second conductivity.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: September 14, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Wei-Tsung Chen, Po-Hsin Lin, Xue-Hung Tsai
  • Patent number: 11112558
    Abstract: A light guide module includes a light guide element and a light source. The light guide element includes a first light guide layer and a second light guide layer. The second light guide layer is disposed on the first light guide layer. The refractive index of the first light guide layer is greater than the refractive index of the second light guide layer. The light source is disposed in the first light guide layer.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: September 7, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Ching-Huan Liao, Hsin-Tao Huang
  • Patent number: 11114570
    Abstract: A memory structure includes a substrate, a gate electrode, a first isolation layer, a thin metal layer, indium gallium zinc oxide (IGZO) particles, a second isolation layer, an IGZO channel layer, and a source/drain electrode. The gate electrode is located on the substrate. The first isolation layer is located on the gate electrode. The thin metal layer is located on the first isolation layer, and has metal particles. The IGZO particles are located on the metal particles. The second isolation layer is located on the IGZO particles. The IGZO channel layer is located on the second isolation layer. The source/drain electrode is located on the IGZO channel layer.
    Type: Grant
    Filed: April 12, 2020
    Date of Patent: September 7, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Hsiao-Wen Zan, Chuang-Chuang Tsai, Ching-Fu Lin, Zong-Xuan Li, Wei-Tsung Chen
  • Publication number: 20210272527
    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: Application
    Filed: March 2, 2021
    Publication date: September 2, 2021
    Applicant: E Ink Holdings Inc.
    Inventors: Xue-Hung Tsai, Wei-Tsung Chen, Po-Hsin Lin
  • Patent number: 11099444
    Abstract: A display device includes a thin film transistor (TFT) array substrate, an isolation structure, and a front panel laminate (FPL) structure. The TFT array substrate has pixel electrodes. The isolation structure is between the pixel electrodes to form a first resistance between adjacent pixel electrodes. The front panel laminate structure is located on the isolation structure and the pixel electrodes adhesive layer, and has a display medium layer therein.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: August 24, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Chang-Cheng Lo, Shi-Lin Li, Ji-Yuan Li, Yi-Lung Wen
  • Publication number: 20210256936
    Abstract: An e-paper display device including an e-paper display panel, a graphics library and a display controller is provided. The display controller is coupled to the e-paper display panel. The display controller is configured to receive a line segment input signal and call the graphics library, and then drive, using a set of signal waveforms, the e-paper display panel to display a line segment. The set of signal waveforms is generated according to the line segment input signal and the graphics library. The line segment includes at least one gray level. In addition, a method for driving an e-paper display device is also provided.
    Type: Application
    Filed: November 17, 2020
    Publication date: August 19, 2021
    Applicant: E Ink Holdings Inc.
    Inventor: Wei-Han Yen
  • Patent number: 11074873
    Abstract: A display device and a display driving method are provided. The display device includes a display panel and a timing controller. A timing controller is configured to drive the display panel. A memory is configured to store previous image data. The timing controller sequentially receives a plurality of current image data during an image update period, and compares the plurality of current image data to the previous image data to sequentially generate a plurality of driving signals. The timing controller sequentially outputs the plurality of driving signals to the display panel during the screen update period to update a display screen of the display panel.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: July 27, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Shu-Cheng Liu, Hsiao-Lung Cheng, Pei-Lin Tien, Chi-Mao Hung
  • Patent number: 11074874
    Abstract: An electro-phoretic display apparatus including an electro-phoretic display panel and a driving circuit is provided. The electro-phoretic display panel includes a display area and a border area. The driving circuit is configured to drive the display area to display an image frame according to a first voltage. The driving circuit drives the border area to maintain displaying a border of a first color or a second color according to a second voltage. The driving circuit generates the second voltage according to the first voltage. The border area includes electro-phoretic particles of the first color or the second color. A voltage difference between the first voltage and the second voltage drives the electro-phoretic particles of the first color or the second color to be maintained to a predetermined position such that the border area maintains displaying the border of the first color or the second color.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: July 27, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Hao-Ting Hsu, Chia-Hao Kuo, Yu-Jui Chang
  • Patent number: 11063389
    Abstract: A connector structure includes a first connector and a second connector configured to rotatably connect the first connector. The first connector includes an insulating support, a first conductor and a second conductor. The first and second conductors respectively include first and second convex curved surfaces. The second connector includes first and second insulating housings and first and second conductive layers. The first and second insulating housings are configured to cover at least a portion of the first conductor and at least a portion of the second conductor, respectively. The first conductive layer includes a first concave curved surface matching the first convex curved surface, and is configured to be in contact with the first conductor. The second conductive layer includes a second concave curved surface matching the second convex curved surface, and is configured to be in contact with the second conductor.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: July 13, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Huei-Chuan Lee, Yen-Ze Huang, Chih-Chun Chen, Chin-Chi Yu
  • Patent number: 11062644
    Abstract: A display device includes a display panel, a light source module and a control unit. The display panel includes plural display areas. The light source module includes plural light source units. The light source units are configured to output plural light beams to illuminate the display areas of the display panel. The control unit is coupled to the light source module and configured to receive a frame data. The frame data includes plural subframe data, and the subframe data are displayed on the display areas. The control unit is further configured to control a first light source unit of the light source units to adjust a brightness corresponding to a first color of a first light beam of the light beams according to a ratio of the first color. The ratio of the first color is related to a first subframe data of the subframe data.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: July 13, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Sheng-Chieh Tai, Yu-Nan Pao, Hsin-Tao Huang, Yi-Pai Huang, Fang-Cheng Lin, Chi-Wen Chang
  • Patent number: 11061172
    Abstract: A manufacturing method of an anti-glare film is provided. The manufacturing method includes spraying a solution on a substrate to form a plurality of droplets on the substrate, wherein the solution includes a curable resin, a plurality of particles, and a solvent; and curing the plurality of droplets to form an anti-glare film.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: July 13, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Ching-Huan Liao, Hsin-Tao Huang, Franklin Chau-Nan Hong, Cyun-Jhe Yan, Wen-De Zheng, Yu-Lun Hsiao
  • Patent number: 11042070
    Abstract: A cover plate structure includes a first light transmitting layer, a second light transmitting layer, and a light shielding layer. The first light transmitting layer includes a top surface and a bottom surface opposite the top surface. The second light transmitting layer is on the top surface of the first light transmitting layer. A refractive index of the first light transmitting layer is greater than a refractive index of the second light transmitting layer. The light shielding layer is on the bottom surface of the first light transmitting layer.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: June 22, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Yun-Nan Hsieh, Chih-Cheng Ko
  • Patent number: 11041616
    Abstract: A lighting module includes a circuit board, a light emitting diode, a light guide plate and a glue material. The light emitting diode is disposed over the circuit board, and the light emitting diode includes a light emitting side surface and a non-light emitting side surface. The light guide plate is substantially parallel to the circuit board, and a portion of the light guide plate is disposed over the circuit board and adjacent to the light emitting side surface of the light emitting diode. The glue material covers and is in contact with the non-light emitting side surface of the light emitting diode and the portion of the light guide plate.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: June 22, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Tsai-Wei Shei, Yen-Ze Huang, Ching-Huan Liao, Yu-Chuan Wen, Sheng-Chieh Tai
  • Patent number: 11042071
    Abstract: A waterproof display apparatus includes a bottom waterproof structure, a plurality of driving substrates, a panel laminate (FPL) and a top waterproof structure. The bottom waterproof structure has a first edge. The driving substrates are disposed on the bottom waterproof structure and defining a gap between adjacent driving substrates. The gap has opposite top and bottom portions. The FPL covers the driving substrates and includes a display medium layer therein. The top waterproof structure covers the FPL and has a second edge. The first and second edges are joined in a waterproof manner. The bottom portion of the gap is sealed by the bottom waterproof structure, and the top portion of the gap is sealed by the FPL or the top waterproof structure such that the gap is empty.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 22, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Chin-Chi Yu, Chih-Chun Chen, Shi-Lin Li, Hsin-Chung Wu
  • Patent number: 11041822
    Abstract: A sensing element includes a conductive substrate, a zinc oxide seed layer, a plurality of zinc oxide nanorods, a film with an electrical double layer, and an organic sensing layer. The zinc oxide seed layer is located on the conductive substrate. The zinc oxide nanorods extend from the zinc oxide seed layer. The film with the electrical double layer covers the zinc oxide nanorods. The organic sensing layer is located on the film with the electrical double layer.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: June 22, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Hsiao-Wen Zan, Chuang-Chuang Tsai, Yu-Nung Mao, Hung-Chuan Liu, Zong-Xuan Li, Wei-Tsung Chen