Patents Assigned to E Ink Holdings Inc.
  • Publication number: 20230350509
    Abstract: A touch display device includes a driving substrate, a display medium layer, a common electrode layer, a touch electrode layer, and a protective layer. The display medium layer is disposed on the driving substrate. The common electrode layer is in direct contact with and disposed on the display medium layer. The common electrode layer includes multiple common electrodes, and two adjacent of the common electrodes have a spacing between each other. The touch electrode layer is disposed on the display medium layer. The touch electrode layer and the common electrode layer define a touch structure layer. The protective layer is disposed on the touch electrode layer.
    Type: Application
    Filed: March 13, 2023
    Publication date: November 2, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Chen Cheng Lin, Mondal Somnath, Fang Chia Hu, Hung Wei Tseng
  • Patent number: 11789316
    Abstract: A front light module includes a foldable light guide plate, a light source, an upper insulating layer, an upper optical adhesive layer, a lower insulating layer, and a lower optical adhesive layer. The top surface and the bottom surface of the foldable light guide plate adjoin the light incident surface of the foldable light guide plate. The light source faces toward the light incident surface. The upper insulating layer is located on the top surface. The upper optical adhesive layer is located on the upper insulating layer, and a storage modulus of the upper optical adhesive layer is less than a storage modulus of the upper insulating layer. The lower optical adhesive layer is located on a bottom surface of the lower insulating layer, and a storage modulus of the lower optical adhesive layer is less than a storage modulus of the lower insulating layer.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: October 17, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Kun-Hsien Lee, Sheng-Chieh Tai, Yi-Yu Tsai, Hsin-Tao Huang
  • Publication number: 20230324594
    Abstract: A display device includes a light guide plate, a cover lens, a first optical layer, a second optical layer and a display. The light guide plate has a first surface and a second surface opposite to the first surface. The cover lens is disposed on the first surface of the light guide plate. The first optical layer is disposed between the first surface and the cover lens. The second optical layer is disposed between the first surface and the first optical layer. For visible light, a light absorption rate of the first optical layer is larger than or equal to a light absorption rate of the second optical layer. The display is disposed on the second surface of the light guide plate.
    Type: Application
    Filed: February 17, 2023
    Publication date: October 12, 2023
    Applicant: E Ink Holdings Inc.
    Inventor: Chien-Hsing Chang
  • Publication number: 20230320174
    Abstract: A display device includes a first substrate, a second substrate, a display layer, a bump, and a sealing material. The second substrate is disposed over the first substrate. The display layer is disposed between the first substrate and the second substrate, and has a boundary. The bump is connected to the first substrate or the second substrate and protrudes in a direction toward the opposite second substrate or first substrate, and is disposed around the boundary. The sealing material is filled between the bump and the display layer. The water vapor transmission rate of the bump is less than the water vapor transmission rate of the sealing material.
    Type: Application
    Filed: March 2, 2023
    Publication date: October 5, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Yuan-Hsun Cheng, Tsai-Wei Shei, Yen-Ze Huang, Yi-Hung Chen, Jen-Shiun Huang
  • Publication number: 20230297184
    Abstract: Provided is an inspection tool for a touch panel, including a substrate adapted to be placed on the touch panel and multiple protrusions disposed on the substrate in correspondence to multiple touch inspection points and arranged along an inspection trajectory. An inspection method for a touch panel is also provided.
    Type: Application
    Filed: January 12, 2023
    Publication date: September 21, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Chien-Hsing Chang, Ying-Ta Chen, Yun-Nan Hsieh
  • Patent number: 11763763
    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: Grant
    Filed: October 19, 2021
    Date of Patent: September 19, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Chi-Mao Hung, Jia-Hong Xu
  • Publication number: 20230280629
    Abstract: A light source module includes a light guide plate and a light source. The light guide plate has a first surface, a second surface, a light incident surface, and two opposite side surfaces. The second surface is opposite to the first surface, and the light incident surface connects the first surface and the second surface. Each side surface connects the first surface and the second surface, and the light incident surface connects the two side surfaces. The light source is disposed beside the light incident surface for emitting an illumination beam toward the light incident surface. The light guide plate includes multiple optical microstructures disposed on each side surface and near the light incident surface. The optical microstructures include multiple curved convex surfaces arranged from one end near the light incident surface to the other end away from the light incident surface. An electrophoretic display device is also provided.
    Type: Application
    Filed: February 3, 2023
    Publication date: September 7, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Jen-Yuan Chi, Yu-Nan Pao
  • Publication number: 20230274713
    Abstract: An e-paper identification card system including an e-paper identification card and a data updating apparatus is provided. The e-paper identification card is configured to display first image information. The data updating apparatus is electrically connected to the e-paper identification card. The data updating apparatus is configured to update the e-paper identification card according to the first image information to drive the e-paper identification card to display second image information. In addition, an e-paper identification card is also provided.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 31, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Chih-Chun Chen, Huei-Chuan Lee, Cheng-Hsien Lin, Shuo-En Lee, Kai-Yi Cho
  • Patent number: 11733581
    Abstract: A light source device is used to generate illumination light and includes a plurality of light emitting components, at least one first fluorescent part, and at least one second fluorescent part. Each light emitting component is used to emit light. The first fluorescent part is disposed on at least one of the light emitting components and able to convert the light to first white light having a first color temperature. The second fluorescent part is disposed on at least one of the other light emitting components and able to convert the light to second white light having a second color temperature. The illumination light includes the first white light and the second white light, where the maximum difference between the first color temperature and the second color temperature is greater than or equal to 2000K.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: August 22, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Ching-Huan Liao, Yi-Yu Tsai
  • Publication number: 20230259234
    Abstract: A touch display device includes a reflective display module, a touch sensing layer, a light guide member, a ground shielding layer, and a first adhesive layer. The touch sensing layer is disposed on a display surface of the reflective display module, and the light guide member is disposed between the reflective display module and the touch sensing layer. The ground shielding layer is in contact with the light guide member and located between the reflective display module and the touch sensing layer. The ground shielding layer electrically connects to one of the reflective display module and the touch sensing layer to electrically connect to a ground potential through the one of the reflective display module and the touch sensing layer. The first adhesive layer is disposed between the light guide member and the reflective display module, and is located between the ground shielding layer and the reflective display module.
    Type: Application
    Filed: December 30, 2022
    Publication date: August 17, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Chen Cheng Lin, Hung Wei Tseng, Fang Chia Hu
  • Patent number: 11721263
    Abstract: An e-paper display apparatus including an e-paper display panel is provided. The e-paper display panel includes a plurality of pixel circuits arranged in an array. Each of the pixel circuits includes a transistor device, a storage capacitor and a pixel capacitor. A data voltage is configured to drive the storage capacitor and the pixel capacitor, so as to drive the e-paper display panel to display image. The transistor device is an oxide thin-film transistor. An absolute value of the data voltage is greater than or equal to 20 voltages.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: August 8, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Wei-Tsung Chen, Xue-Hung Tsai
  • Publication number: 20230237294
    Abstract: An electronic card receiving device, including a housing, a card stand, a rotating shaft, and a contact element, is provided. The housing includes a front plate having an opening. The card stand is disposed in an inner space of the housing and includes a plate section, a connecting section, and a hook section. The connecting section is connected between the plate section and the hook section. A terminal of the hook section protrudes toward the opening. The rotating shaft is attached to the plate section and is lower than the opening. An axis of the rotating shaft is substantially parallel to the front plate. The rotating shaft rotates to drive the card stand to oscillate between an initial configuration and a card-reading configuration. The contact element is disposed on the plate section of the card stand. A method of using an electronic card receiving device is also provided.
    Type: Application
    Filed: December 7, 2022
    Publication date: July 27, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Huei-Chuan Lee, Bo-Tsang Huang, Chu-Kuang Tseng, Chin-Chi Yu, Chih-Chun Chen, Kai-Yi Cho
  • Patent number: 11709304
    Abstract: A light source module and a display device are provided. The light source module includes a light-emitting element, a light-guiding plate, and a filter. The light-emitting element includes a light-emitting surface. The light-guiding plate includes a light-incident surface, and the light guide plate is disposed such that the light-incident surface faces the light-emitting surface. The filter is disposed between the light-emitting surface and the light-incident surface, and a center wavelength of a reflection band of the filter falls in a range of 570 nm to 590 nm. The light-emitting element emits a first light having a first color temperature from the light-emitting surface. The first light is filtered into the second light having a second color temperature after it passes through the filter. The light-incident surface of the light-guiding plate receives the second light. The first color temperature is lower than the second color temperature.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: July 25, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Jen-Yuan Chi, Yu-Nan Pao
  • Patent number: 11703738
    Abstract: An electronic apparatus includes a flexible display device and a roller. The flexible display device includes a driving substrate, a display layer on the driving substrate, and a front protective layer covering the display layer. The flexible display device has an end portion fixed to the roller. The roller includes a holding groove, a receiving slot, and a retraction assembly. The holding groove is recessed from an external surface of the roller. The end portion is in the holding groove. The flexible display device further includes a main body portion outside the holding groove. A thickness of the end portion is less than a thickness of the main body portion. The receiving slot is recessed from the external surface. The retraction assembly is disposed in the receiving slot. When the retraction assembly abuts against the flexible display device, the retraction assembly is pressed into the receiving slot.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: July 18, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Hsing-Kai Wang, Chen-Chu Tsai, Chia-Chun Yeh, Yi-Sheng Lin
  • Patent number: 11703632
    Abstract: A display device has two flat regions and a bending region located between the two flat regions. The display device includes a reflective display device, a cover structure, and a light guide plate. The cover structure is located above the reflective display device. The light guide plate is located between the reflective display device and the cover structure. The light guide plate has a microstructure, and the microstructure is located on a top surface of the light guide plate close to the cover structure. The microstructure has a plurality of second microstructures located at the bending region, and the sizes of the second microstructures vary along with the distances between the second microstructures and a center position of the light guide plate.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: July 18, 2023
    Assignee: E Ink Holdings Inc.
    Inventor: Yu-Chuan Wen
  • Patent number: 11698698
    Abstract: A sensing method includes sensing a first touch source at a first time point; transferring a first sensing signal of the first touch source to a CPU at the first time point; sensing a second touch source at a second time point; transferring a second sensing signal of the second touch source to the CPU at the second time point; stopping transferring the second sensing signal at a third time point, and the second touch source is away from the touch display device at a fourth time point; and the second time point is earlier than the third time point, the third time point is earlier than the fourth time point, and the first touch source is different from the second touch source.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: July 11, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Hiroyuki Kaneko, Hung-Wei Tseng, Yi-Chun Kuo
  • Patent number: 11698569
    Abstract: A display device includes a flexible display panel, a sealant, and a first reinforcing structure. The flexible display panel includes a lower substrate, an upper substrate, and a display medium layer disposed between the lower substrate and the upper substrate. Each of the lower substrate and the upper substrate has an edge region. A centerline of the flexible display panel is parallel to a short side of the flexible display panel. The sealant is disposed between the edge region of the lower substrate and the edge region of the upper substrate. The first reinforcing structure is disposed among the sealant, the edge region of the lower substrate, and the edge region of the upper substrate. The centerline of the flexible display panel passes through the first reinforcing structure, and the elastic modulus of the first reinforcing structure is greater than that of the sealant.
    Type: Grant
    Filed: May 17, 2020
    Date of Patent: July 11, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Yi-Sheng Lin, Chia-Chun Yeh, Kuan-Yi Lin, Po-Yu Hsiao
  • Publication number: 20230215995
    Abstract: A manufacturing method of a reflective display includes at least the following steps. A reflective display module having a display surface is provided. An adhesive is formed on the display surface of the reflective display module. A plurality of microstructures is formed on the adhesive. A cover plate is provided over the reflective display module, the microstructures, and the adhesive. The cover plate has a first surface, a second surface, and a third surface. The second surface is located between the first surface and the reflective display module, and the third surface is connected to the first surface and the second surface. The second surface of the cover plate is adhered to the adhesive having the microstructures thereon to bond the microstructures onto the second surface of the cover plate. A light source is disposed adjacent to the third surface of the cover plate.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Chang-Cheng Lo, Yue-Feng Lin
  • Patent number: 11695018
    Abstract: A display apparatus includes a wireless transmission unit and a display panel. The display panel includes a substrate, a plurality of pixel units and a signal line. The substrate includes a display region and a periphery region. The periphery region surrounds the display region. The pixel units are disposed on the display region. Each of the pixel units includes an active device and a pixel electrode. The active device is electrically connected to the pixel electrode. The signal line is on the periphery region. As viewed from a top view, the signal line has an annular shape having a gap and surrounds the display region.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: July 4, 2023
    Assignee: E Ink Holdings Inc.
    Inventors: Chia-Chi Chang, Chih-Chun Chen, Chi-Ming Wu, Yi-Ching Wang, Jia-Hung Chen, Bo-Tsang Huang, Wei-Yueh Ku
  • Publication number: 20230206802
    Abstract: An e-paper display apparatus including an e-paper display panel is provided. The e-paper display panel includes a plurality of pixel circuits arranged in an array. Each of the pixel circuits includes a transistor device, a storage capacitor and a pixel capacitor. A data voltage is configured to drive the storage capacitor and the pixel capacitor, so as to drive the e-paper display panel to display image. The transistor device is an oxide thin-film transistor. An absolute value of the data voltage is greater than or equal to 20 voltages.
    Type: Application
    Filed: September 27, 2022
    Publication date: June 29, 2023
    Applicant: E Ink Holdings Inc.
    Inventors: Wei-Tsung Chen, Xue-Hung Tsai