Patents Assigned to E Ink Holdings Inc.
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Patent number: 11886091Abstract: A front light module including a light guide plate, a light source, an optical film, and a first optical clear adhesive is provided. The light guide plate has a top surface, a bottom surface opposite to the top surface, and a light input surface connecting the top surface with the bottom surface. The light source is disposed beside the light input surface. An optical surface of the optical film facing away from the light guide plate has a plurality of optical microstructures. Each of the optical microstructures is a recess, and has a light receiving surface more adjacent to the light input surface and a light back surface further away from the light input surface. The optical clear adhesive is disposed between the light guide plate and the optical film in a fully bonding manner. An electrophoretic display is also provided.Type: GrantFiled: September 5, 2022Date of Patent: January 30, 2024Assignee: E Ink Holdings Inc.Inventors: Sheng-Chieh Tai, Ching-Huan Liao
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Publication number: 20240012510Abstract: 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 GPIO pin of the touch driver. The timing controller starts a detection period according to a first edge switched from a first voltage level to a second voltage level of the instruction signal. The timing controller detects a number of pulse signals of the instruction signal, and determines a current operating status of the touch driver according to the number of pulse signals of the instruction signal during the detection period. The timing controller determines that the current operating status of the touch driver is one of touch operation type statuses according to the number of pulse signals of the instruction signal during the detection period being a default number.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Applicant: E Ink Holdings Inc.Inventors: Hsiao-Lung Cheng, Shu-Cheng Liu, Pei-Lin Tien, I-Shin Lo, Chi-Mao Hung
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Publication number: 20240004254Abstract: A display device includes a driving substrate, a display medium layer, a glue layer, and a protective layer. The display medium layer is disposed on the driving substrate. The glue layer is disposed around the display medium layer. The protective layer covers the display medium layer and the glue layer, and the protective layer is bent toward the driving substrate along the glue layer.Type: ApplicationFiled: January 18, 2023Publication date: January 4, 2024Applicant: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, Yen-Ze Huang, Yuan-Hsun Cheng, Yi-Hung Chen, Jen-Shiun Huang
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Patent number: 11860404Abstract: 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: GrantFiled: March 10, 2023Date of Patent: January 2, 2024Assignee: E Ink Holdings Inc.Inventors: Chang-Cheng Lo, Yue-Feng Lin
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Patent number: 11850833Abstract: A flexible display panel can be bent around an axis, and includes a flexible substrate and an accommodating structure. The accommodating structure is disposed on the flexible substrate and includes a plurality of polygonal microcups connected to each other, where the polygonal microcups are arranged regularly, and the axis is not substantially parallel to any sidewall of each polygonal microcup.Type: GrantFiled: August 26, 2021Date of Patent: December 26, 2023Assignee: E Ink Holdings Inc.Inventors: Yi-Sheng Lin, Chen-Chu Tsai, Chia-Chun Yeh
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Patent number: 11829022Abstract: A color filter array includes a first color resist, a second color resist, and a third color resist. The first color resist has a first color, the second color resist has a second color, and the third color resist has a third color. A transparency of the third color resist is greater than transparencies of the first color resist and the second color resist. The first color resist has a first edge and a second edge arranged along a first direction. The second color resist has a first edge and a second edge arranged along a first direction. The first color resist and the second color resist are arranged along a second direction. The first edge of the first color resist, the second edge of the second color resist, and the second edge of the first color resist are arranged sequentially along the first direction.Type: GrantFiled: December 3, 2021Date of Patent: November 28, 2023Assignee: E Ink Holdings Inc.Inventors: Ian French, Xian-Teng Chung, Liang-Yu Lin, Jau-Min Ding, Po-Yuan Lo
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Publication number: 20230377505Abstract: A circuit driving substrate, display panel and a display driving method are provided. The circuit driving substrate includes a pixel array, a first switching circuit, a second switching circuit, a first driving circuit and a second driving circuit. The first switching circuit is coupled to the pixel array through a plurality of gate lines, and receives a first switching signal. The second switching circuit is coupled to the pixel array through the gate lines, and receives a second switching signal. The first driving circuit is coupled to the first switching circuit and configured to output the first voltage signal to the first switching circuit. The second driving circuit is coupled to the second switching circuit and configured to output a second voltage signal to the second switching circuit. The first switching circuit and the second switching circuit selectively provide the first voltage signal or the second voltage signal.Type: ApplicationFiled: April 28, 2023Publication date: November 23, 2023Applicant: E Ink Holdings Inc.Inventors: Wenchuan Wang, Kuang-Heng Liang, Ian French, Chih-Ching Wang
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Patent number: 11822204Abstract: An electronic paper package structure, including a substrate, an electronic ink layer, a cover plate, a water vapor barrier film and an adhesive layer, is provided. The electronic ink layer is disposed on the substrate. The cover plate covers the electronic ink layer. The water vapor barrier film covers the substrate and the electronic ink layer. The adhesive layer is directly bonded between the cover plate and the water vapor barrier film to seal the substrate and the electronic ink layer. The adhesive layer is not bonded between the cover plate and the electronic ink layer.Type: GrantFiled: March 9, 2021Date of Patent: November 21, 2023Assignee: E INK HOLDINGS INC.Inventors: Jen-Shiun Huang, Huang-Kai Shen, Ko-Fan Tu
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Patent number: 11809658Abstract: 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: GrantFiled: January 21, 2022Date of Patent: November 7, 2023Assignee: E Ink Holdings Inc.Inventors: Hsiao-Lung Cheng, Shu-Cheng Liu, Pei-Lin Tien, I-Shin Lo, Chi-Mao Hung
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Patent number: 11810526Abstract: An e-paper display apparatus including an e-paper display panel is provided. The e-paper display panel includes multiple pixel circuits arranged in an array. Each of the pixel circuits includes a transistor device. The transistor device is an oxide thin-film transistor. A set of signal waveforms for driving the pixel circuits to display image pages includes multiple frames. In a low panel frequency mode, the number of the frames is less than ten.Type: GrantFiled: September 20, 2022Date of Patent: November 7, 2023Assignee: E Ink Holdings Inc.Inventors: Wei-Tsung Chen, Xue-Hung Tsai
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Publication number: 20230350509Abstract: 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: ApplicationFiled: March 13, 2023Publication date: November 2, 2023Applicant: E Ink Holdings Inc.Inventors: Chen Cheng Lin, Mondal Somnath, Fang Chia Hu, Hung Wei Tseng
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Publication number: 20230350288Abstract: An anti-glare layer and a manufacturing method thereof are provided. The manufacturing method of the anti-glare layer includes providing a substrate, coating an anti-glare material layer on the substrate, and performing a photolithography process on the anti-glare material layer through a gray-scale mask to form the anti-glare layer. The anti-glare layer includes multiple protrusion portions with different heights.Type: ApplicationFiled: February 17, 2023Publication date: November 2, 2023Applicant: E Ink Holdings Inc.Inventor: Chien-Hsing Chang
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Patent number: 11789316Abstract: 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: GrantFiled: December 7, 2022Date of Patent: October 17, 2023Assignee: E Ink Holdings Inc.Inventors: Kun-Hsien Lee, Sheng-Chieh Tai, Yi-Yu Tsai, Hsin-Tao Huang
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Publication number: 20230324594Abstract: 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: ApplicationFiled: February 17, 2023Publication date: October 12, 2023Applicant: E Ink Holdings Inc.Inventor: Chien-Hsing Chang
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Publication number: 20230320174Abstract: 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: ApplicationFiled: March 2, 2023Publication date: October 5, 2023Applicant: E Ink Holdings Inc.Inventors: Yuan-Hsun Cheng, Tsai-Wei Shei, Yen-Ze Huang, Yi-Hung Chen, Jen-Shiun Huang
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Publication number: 20230297184Abstract: 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: ApplicationFiled: January 12, 2023Publication date: September 21, 2023Applicant: E Ink Holdings Inc.Inventors: Chien-Hsing Chang, Ying-Ta Chen, Yun-Nan Hsieh
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Patent number: 11763763Abstract: 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: GrantFiled: October 19, 2021Date of Patent: September 19, 2023Assignee: E Ink Holdings Inc.Inventors: Chi-Mao Hung, Jia-Hong Xu
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Publication number: 20230280629Abstract: 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: ApplicationFiled: February 3, 2023Publication date: September 7, 2023Applicant: E Ink Holdings Inc.Inventors: Jen-Yuan Chi, Yu-Nan Pao
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Publication number: 20230274713Abstract: 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: ApplicationFiled: January 12, 2023Publication date: August 31, 2023Applicant: E Ink Holdings Inc.Inventors: Chih-Chun Chen, Huei-Chuan Lee, Cheng-Hsien Lin, Shuo-En Lee, Kai-Yi Cho
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Patent number: 11733581Abstract: 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: GrantFiled: August 26, 2021Date of Patent: August 22, 2023Assignee: E Ink Holdings Inc.Inventors: Ching-Huan Liao, Yi-Yu Tsai