Patents Assigned to E Ink Holdings Inc.
  • Patent number: 10448527
    Abstract: A foldable display device includes a display panel having two flat portions and a bend portion between the two flat portions; a hinge substantially aligned with and beneath the bend portion of the display panel; a plurality of slidable platforms between the hinge and a bottom surface of the bend portion of the display panel; and a repeatable adhering component between one of the slidable platforms and the bottom surface of the bend portion of the display panel, wherein the repeatable adhering component comprises a self-adhesive pad or a weak adhesive.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: October 15, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Yi-Sheng Lin, Chia-Chun Yeh, Kuo-Hsing Cheng
  • Patent number: 10431167
    Abstract: An electronic paper display apparatus, a signal transmission system and a method thereof are provided. The electronic paper display apparatus is configured to transmit an encrypted signal. The electronic paper display apparatus includes an electronic paper display panel and a display driver. The electronic paper display panel is configured to display a first image or a second image. The display driver is electrically coupled to the electronic paper display panel and configured to output a driving signal to the electronic paper display panel. The display driver drives the electronic paper display panel to alternately display the first image and the second image for transmitting the encrypted signal by using the driving signal during a signal transmission period.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: October 1, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Chuen-Jen Liu, Li-Wei Chou, Jia-Hong Xu, Yu-Ming Lee, Chih-Jen Wu, Chi-Mao Hung
  • Patent number: 10423028
    Abstract: A display apparatus includes a first substrate, a plurality of sub-pixel structures, a color filter array, and a display layer. The sub-pixel structures are disposed on the first substrate, and each of the sub-pixel structures includes at least two sub-pixel sub-structures. The color filter array is disposed above the sub-pixel structures, and includes a plurality of filter units. The filter units are divided into a plurality of groups having different colors, and the filter units belonging to the groups having different colors are alternately disposed above the sub-pixel structures. Each of the filter units corresponds to the at least two sub-pixel sub-structures of at least one sub-pixel structure, and the at least two sub-pixel sub-structures of the same sub-pixel structure are adapted to be applied different voltages. The display layer is disposed on the sub-pixel structures.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: September 24, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Patent number: 10416367
    Abstract: A front light module including a light guide plate and a light source is provided. The light guide plate includes a first surface, a second surface and a light entering surface. The second surface is opposite the first surface. The light entering surface has at least one area that is adjacent to the first surface and the second surface. The light source is disposed beside the light entering surface and is configured to illuminate the light guide plate. The at least one area and an optical axis of the light source form a first angle. The first angle is less than 90 degrees. A display module is also provided.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: September 17, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Chin-Ju Hsu, Yu-Nan Pao, I-Jeng Chen, Sheng-Chieh Tai, Hsin-Tao Huang
  • Patent number: 10418390
    Abstract: A pixel array substrate including a substrate, first signal lines, second signal lines, third signal lines, and active devices is provided. The first signal lines, the second signal lines, the third signal lines, and the active devices are disposed on the substrate. Each of the first signal lines has a jumper wire bridge structure which includes a first line and a second line disposed on the same film layer, and a third line disposed on another film layer. The second signal lines intersect the first signal lines and the third signal lines. Each of the second signal lines is electrically connected to one of the first signal lines. Each active device is electrically connected to one second signal line and one third signal line.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: September 17, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Yu-Wen Chen, Kuo-Hsing Cheng, Chun-Yu Lu, Yu-Chieh Hung
  • Patent number: 10388700
    Abstract: An electronic device package includes a carrying board, an electronic device, a first insulating layer, and a barrier layer. The carrying board includes a central area, an inner edge area, and an outer edge area. The inner edge area is located between the central area and the outer edge area. The electronic device is located in the central area. The first insulating layer is located on the carrying board and overlapped with the electronic device and extends from the central area to the inner edge area. The barrier layer is located on the carrying board. Here, the barrier layer includes a sidewall contact portion and an extending portion. The sidewall contact portion surrounds a side surface of the first insulating layer, and the extending portion extends from the sidewall contact portion to the outer edge area in a direction away from the first insulating layer.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 20, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Kuo-Yen Chang, Chia-Chun Yeh, Kuo-Hsing Cheng, Hsing-Yi Wu
  • Patent number: 10380953
    Abstract: An electrophoretic display and method for driving panel using the same are provided. The electrophoretic display includes a display panel and a driving circuit. The display panel includes a plurality of column data lines and a plurality of row scan lines. The driving circuit provides a plurality of data driving signals to the column data lines, and provides a plurality of scan signals to row scan lines. Each of the scan signals has a plurality of scan enable periods, and each of the scan enable periods includes a plurality of scan interval periods. Each of the scan signals is floating or grounding during the scan interval periods. Each of the data driving signals includes a plurality of data driving periods, and each of the data driving periods includes a plurality of driving interval period. Each of the data driving signals is floating or grounding during the driving interval period.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: August 13, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Yao-Jen Hsieh, Hsiao-Lung Cheng
  • Patent number: 10373548
    Abstract: A pixel structure includes data lines disposed along a first direction, scan lines disposed along a second direction and pixel units periodically disposed along the first and the second directions. In a first pixel unit, a first switch element is coupled to a first scan line and a first data line, the second switch element is coupled to the first scan line, and a third switch element is coupled to the first scan line. In a second pixel unit, a fourth switch element is coupled to a second scan line, the first data line and the second switch element, and a fifth switch element is electrically coupled to the second scan line and the third switch element. In a third pixel unit, a sixth switch element is coupled to a third scan line, the first data line and the fifth switch element.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 6, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Chia-Chun Yeh, Kuo-Hsing Cheng, Kuo-Yen Chang, Hsing-Yi Wu
  • Patent number: 10361225
    Abstract: An active device array structure including a substrate including a first region and a second region, and first signal lines, second signal lines, third signal lines, and active devices disposed on the substrate is provided. A bending degree of the first region is greater than that of the second region. The first signal lines and the second signal lines cross through the first region and the second region. Each first signal line includes a first multi-segments structure located in the first region. Each first multi-segments structure includes first segments connected in parallel. An extending direction of the third signal lines is intersected with the first signal lines and the second signal lines. Each third signal line is electrically connected to one first signal line. The active devices are electrically connected to the second and the third signal lines, or the first and the third signal lines.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: July 23, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Chun-Yu Lu, Kuo-Hsing Cheng
  • Patent number: 10360867
    Abstract: An electronic paper display device including an electronic paper display substrate and a power supply circuit is provided. An electronic paper display panel and a driving circuit are disposed on the electronic paper display substrate. The power supply circuit is electrically connected to the electronic paper display panel and the driving circuit. The power supply circuit is configured to output a first driving signal to the electronic paper display panel and output a voltage signal to the driving circuit. The power supply circuit includes a level shifter. The power supply circuit outputs a first driving signal to the electronic paper display panel by utilizing the level shifter. The driving circuit includes a source driver. The driving circuit outputs a second driving signal to the electronic paper display panel according to the voltage signal by utilizing the source driver.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 23, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Kun-Heng Wu, Feng-Chuan Yeh
  • Publication number: 20190213959
    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: Application
    Filed: December 27, 2018
    Publication date: July 11, 2019
    Applicant: E Ink Holdings Inc.
    Inventors: Feng-Shou Lin, Chen-Kai Chiu, Chih-Yu Cheng
  • Publication number: 20190212626
    Abstract: An electrophoretic display and a driving method thereof are provided. The electrophoretic display includes a display panel and a driving circuit. The display panel includes an electrophoretic unit and a driving substrate. The driving method includes: providing a resetting signal to the driving substrate to reset at least one of a first electrophoretic particle and a second electrophoretic particle in the electrophoretic unit; and providing a driving signal to the driving substrate to drive a third electrophoretic particle in the electrophoretic unit, wherein the driving signal includes a first driving period and a second driving period, and the first driving period occurs before the second driving period. In the first driving period, the driving signal includes a plurality of first driving pulses and a plurality of second driving pulses. In the second driving period, the driving signal includes a plurality of third driving pulses.
    Type: Application
    Filed: December 5, 2018
    Publication date: July 11, 2019
    Applicant: E Ink Holdings Inc.
    Inventors: Chen-Kai Chiu, Feng-Shou Lin, Chih-Yu Cheng
  • Patent number: 10339847
    Abstract: A display apparatus including a display panel and a driver circuit is provided. The display panel includes a display region and a non-display region. The non-display region includes a plurality of dummy pixels connected to one another. The driver circuit provides gate driving voltages and a test data voltage, so as to make the dummy pixels connected to one another generate a charging rate test signal in response to the test data voltage.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 2, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Wen-Yu Kuo, Guan-Ru Huang, Pei-Lin Huang, Wei-Tsung Chen
  • Patent number: 10340295
    Abstract: A flexible display device includes a substrate and a border unit. The substrate has a display area and a border area that surrounds the display area. The border unit is located in the border area and includes a first metal layer on the substrate, an insulation layer covering the first metal layer and the substrate, a second metal layer on the insulation layer, a protection layer covering the second metal layer and the insulation layer, a semiconductor layer between the insulation layer and the protection layer, a planarization layer covering the protection layer, and a third metal layer on the planarization layer. The third metal layer has a first part, a second part, and a third part that is between and physically connected to the first and second parts. A notch is defined by the first, second, and third parts.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: July 2, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Yi-Lung Wen, Jia-Hung Chen, Kuang-Heng Liang, Chi-Ming Wu
  • Patent number: 10330854
    Abstract: A display apparatus includes a light source, a display panel and a light guide glue. The display panel includes a display surface and a sidewall extending downward from the display surface. The light guide glue is in contact with the display surface and the sidewall of the display panel to adhere to the display panel. A light travel path from the light source to the display panel passes through the light guide glue. The light travel path from the light source to the display panel is free from passing a light guide plate.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: June 25, 2019
    Assignee: E Ink Holdings Inc.
    Inventor: Chun-Wei Chu
  • Patent number: 10330860
    Abstract: A cover plate structure for a display device is provided. The cover plate structure includes a light-transmitting substrate, a light-shielding layer, and a light-transmitting covering layer. The light-transmitting substrate has a flat upper surface and a lower surface. The light-shielding layer is disposed on an edge of the flat upper surface of the light-transmitting substrate and in direct contact with the flat upper surface. The light-transmitting covering layer is located on the light-shielding layer and the light-transmitting substrate.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: June 25, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Tsai-Wei Shei, Cheng-Hsien Lin, Hsin-Tao Huang
  • Patent number: 10326088
    Abstract: An organic thin film transistor includes a substrate, a hydrophobic layer, an oxide layer, a hydrophilic layer, a semiconductor layer, and a source/drain layer. The hydrophobic layer covers a surface of the substrate. The oxide layer is located on the hydrophobic layer and has plural segments. The hydrophilic layer is located on the segments of the oxide layer, and the oxide layer is located between the hydrophilic layer and the hydrophobic layer. The semiconductor layer is located on the hydrophilic layer, and the hydrophilic layer is located between the semiconductor layer and the oxide layer. The source/drain layer connects across the semiconductor layer on the segments of the oxide layer.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 18, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Hsiao-Wen Zan, Chuang-Chuang Tsai, Chun-Chih Chen, Hung-Chuan Liu, Zong-Xuan Li, Wei-Tsung Chen
  • Patent number: 10304865
    Abstract: A pixel array substrate includes a substrate, first signal lines, second signal lines, active elements, pixel electrodes, selection lines, a driving unit, and metal lines. Each selection line is intersected with the first signal lines to form a first intersection and second intersections. Each selection line is electrically connected to the first signal line at the first intersection and electrically insulated to the first signal lines at the second intersections. Each selection line has a first portion and a second portion. The first portion is overlapped with the first signal line at the first intersection and separated from the second portion by a gap. The driving unit is electrically connected to the second signal lines and the first portions of the selection lines. Each metal line is overlapped with one of the gaps.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 28, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Yun-Han Chen, Po-Chun Chuang, Hsiao-Tung Chu, Pei-Lin Huang
  • Publication number: 20190150283
    Abstract: A manufacturing method of a flexible display apparatus is provided. A flexible display panel is formed on the substrate. The flexible display panel has a display area and a bonding area located outside the display area. A driving chip is bonded on the bonding area of the flexible display panel via at least one flexible circuit board. A hot-melt protective layer is formed on the display area and the bonding area of the flexible display panel and a portion of the flexible circuit board. A heating step is performed to soften the hot-melt protective layer. The flexible display panel is separated from the substrate.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 16, 2019
    Applicant: E Ink Holdings Inc.
    Inventor: Lih-Hsiung Chan
  • Patent number: RE47505
    Abstract: A thin film transistor (TFT) structure includes a metal oxide semiconductor layer, a gate, a source, a drain, a gate insulation layer, and a passivation layer. The metal oxide semiconductor layer has a crystalline surface which is constituted by a plurality of grains separated from one another. An indium content of the grains accounts for at least 50% of all metal elements of the crystalline surface of the metal oxide semiconductor layer. The gate is disposed on one side of the metal oxide semiconductor layer. The source and the drain are disposed on the other side of the metal oxide semiconductor layer. The gate insulation layer is disposed between the gate and the metal oxide semiconductor layer. The passivation layer is disposed on the gate insulation layer, and the crystalline surface of the metal oxide semiconductor layer is in direct contact with the gate insulation layer or the passivation layer.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: July 9, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Cheng-Hang Hsu, Tzung-Wei Yu, Ted-Hong Shinn