Patents by Inventor Hsin Tao Huang
Hsin Tao Huang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240134107Abstract: A light source device includes a light guide plate, an optical adhesive, and a light source element. The light guide plate includes a light guide substrate and an enhancement layer. The light guide substrate has a light incident surface, a first surface, and a second surface. The first surface is opposite to the second surface, and the light incident surface extends between the first surface and the second surface. The enhancement layer is disposed on the light guide substrate. A thickness of the enhancement layer is from 1 micrometer to 25 micrometers and a first refractive index of the light guide substrate is greater than a second refractive index of the enhancement layer. The optical adhesive is interposed between the first surface of the light guide substrate and the optical adhesive. The light source element is disposed beside the light incident surface to emit light toward the light incident surface.Type: ApplicationFiled: June 26, 2023Publication date: April 25, 2024Applicant: E Ink Holdings Inc.Inventors: Hsin-Tao Huang, Yu-Chuan Wen, Jen-Pin Yu, Ching-Huan Liao, Ya-Chin 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: 20230229041Abstract: 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: ApplicationFiled: December 7, 2022Publication date: July 20, 2023Inventors: Kun-Hsien LEE, Sheng-Chieh TAI, Yi-Yu TSAI, Hsin-Tao HUANG
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Publication number: 20230194761Abstract: A color display device includes a substrate, a pixel structure, a color filter array, and a display medium layer. The pixel structure is deposed on the substrate and includes pixel sub-structures. The color filter array is formed from color materials of different color and deposed above the pixel structure. The color filter array includes filter elements, each of which corresponding to one of the pixel sub-structures. At least some of the filter elements are formed from two kinds of the color materials of different color. The display medium layer is deposed on the pixel structure. A color filter array substrate is also provided.Type: ApplicationFiled: September 22, 2022Publication date: June 22, 2023Applicant: E Ink Holdings Inc.Inventors: Ching-Huan Liao, Yi-Yu Tsai, Hsin-Tao Huang
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Patent number: 11460625Abstract: A light guide module suitable for being disposed on a reflective display panel includes a light guide plate and a light-shielding part. The light guide plate has a first surface, a second surface opposite to the first surface, and an optical structure formed in the first surface. The first surface has a display area and an edge area surrounding the display area, and the optical structure is distributed in the display area. The light-shielding part is disposed on the first surface and covers the edge area, in which the light-shielding part has an opening exposing the display area.Type: GrantFiled: July 7, 2021Date of Patent: October 4, 2022Assignee: E Ink Holdings Inc.Inventors: Hsin-Tao Huang, Yu-Chuan Wen
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Publication number: 20220260771Abstract: 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. A surface of the first microstructure close to the light source and a direction of an optical axis have a first angle in a range of 30 degrees to 50 degrees. A surface of the first microstructure and a surface of the second microstructure away from the light source and the direction respectively have a second angle and a third angle in a range of 60 degrees to 90 degrees. The first microstructure and the second microstructure each has a first length and a second length, and a ratio of the first length over the second length is in a range of 0.2 to 2.5.Type: ApplicationFiled: May 2, 2022Publication date: August 18, 2022Inventors: Ching-Huan LIAO, Hsin-Tao HUANG
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Patent number: 11347260Abstract: 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: GrantFiled: December 24, 2020Date of Patent: May 31, 2022Assignee: E Ink Holdings Inc.Inventors: Ching-Huan Liao, Hsin-Tao Huang
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Publication number: 20220137283Abstract: A light guide module suitable for being disposed on a reflective display panel includes a light guide plate and a light-shielding part. The light guide plate has a first surface, a second surface opposite to the first surface, and an optical structure formed in the first surface. The first surface has a display area and an edge area surrounding the display area, and the optical structure is distributed in the display area. The light-shielding part is disposed on the first surface and covers the edge area, in which the light-shielding part has an opening exposing the display area.Type: ApplicationFiled: July 7, 2021Publication date: May 5, 2022Inventors: Hsin-Tao HUANG, Yu-Chuan WEN
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Publication number: 20210341667Abstract: A lighting module includes a circuit board, a light emitting diode, a light guide plate, and a waterproof adhesive. The circuit board has an insulating layer, a metal layer, and a circuit layer. The insulating layer is interposed between the metal layer and the circuit layer. The metal layer has an opening exposing a portion of the insulating layer. The light emitting diode has a light emitting surface and a non-light emitting surface facing the metal layer. The light guide plate is parallel or substantially parallel to the circuit board and is adjacent to the light emitting surface of the light emitting diode. An optical axis of the light emitting diode coincides with or substantially coincides with a symmetry axis of the light guide plate. The portion of the insulating layer is adhered to the light guide plate through the waterproof adhesive.Type: ApplicationFiled: February 3, 2021Publication date: November 4, 2021Inventors: Yen-Ze HUANG, Tsai-Wei SHEI, Chih-Ching YEN, Hsin-Tao HUANG
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Patent number: 11163108Abstract: A lighting module includes a circuit board, a light emitting diode, a light guide plate, and a waterproof adhesive. The circuit board has an insulating layer, a metal layer, and a circuit layer. The insulating layer is interposed between the metal layer and the circuit layer. The metal layer has an opening exposing a portion of the insulating layer. The light emitting diode has a light emitting surface and a non-light emitting surface facing the metal layer. The light guide plate is parallel or substantially parallel to the circuit board and is adjacent to the light emitting surface of the light emitting diode. An optical axis of the light emitting diode coincides with or substantially coincides with a symmetry axis of the light guide plate. The portion of the insulating layer is adhered to the light guide plate through the waterproof adhesive.Type: GrantFiled: February 3, 2021Date of Patent: November 2, 2021Assignee: E Ink Holdings Inc.Inventors: Yen-Ze Huang, Tsai-Wei Shei, Chih-Ching Yen, Hsin-Tao Huang
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Publication number: 20210333826Abstract: 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: ApplicationFiled: December 24, 2020Publication date: October 28, 2021Inventors: Ching-Huan LIAO, Hsin-Tao HUANG
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Patent number: 11150532Abstract: A display apparatus includes a display module, a protective layer and at least one discontinuous printed pattern. The display module has a display area. The protective layer covers the display module. The discontinuous printed pattern is on the protective layer. The display area is partially covered by the discontinuous printed pattern.Type: GrantFiled: October 16, 2017Date of Patent: October 19, 2021Assignee: E Ink Holdings Inc.Inventors: Chih-Ching Yen, Chin-Ju Hsu, Yu-Nan Pao, Hsin-Tao Huang
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Patent number: 11112558Abstract: 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: GrantFiled: June 16, 2020Date of Patent: September 7, 2021Assignee: E Ink Holdings Inc.Inventors: Ching-Huan Liao, Hsin-Tao Huang
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Patent number: 11061172Abstract: 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: GrantFiled: December 26, 2018Date of Patent: July 13, 2021Assignee: E Ink Holdings Inc.Inventors: Ching-Huan Liao, Hsin-Tao Huang, Franklin Chau-Nan Hong, Cyun-Jhe Yan, Wen-De Zheng, Yu-Lun Hsiao
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Patent number: 11062644Abstract: 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: GrantFiled: June 11, 2018Date of Patent: July 13, 2021Assignee: E Ink Holdings Inc.Inventors: Sheng-Chieh Tai, Yu-Nan Pao, Hsin-Tao Huang, Yi-Pai Huang, Fang-Cheng Lin, Chi-Wen Chang
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Publication number: 20210003771Abstract: 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: ApplicationFiled: June 16, 2020Publication date: January 7, 2021Inventors: Ching-Huan LIAO, Hsin-Tao HUANG
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Patent number: 10823895Abstract: The present disclosure provides a light-emitting module. The light-emitting module includes a light guide plate, a light source, and a brightness adjustment element. The light guide plate has a light incident surface, a front surface, and a back surface opposite the front surface. The light incident surface is located between the front surface and the back surface and is adjacent to the front surface and the back surface. The brightness adjustment element has a strip portion and at least one protruding portion. The strip portion has a first edge proximal to the light incident surface. The protruding portion is located on the first edge of the strip portion, and the protruding portion is aligned with the light source and extends away from the first edge.Type: GrantFiled: July 18, 2017Date of Patent: November 3, 2020Assignee: E Ink Holdings Inc.Inventors: Yao-Tsung Shih, Mei-Chen Chang, Yu-Nan Pao, Hsin-Tao Huang
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Patent number: 10704781Abstract: A waterproof light emitting module is provided. The waterproof light emitting module comprises a circuit board, a light emitting diode, a light guide plate, and a waterproof layer. The light emitting diode is over the circuit board, and having a light emitting surface, a first non-light emitting surface and a second non-light emitting surface. The light guide plate is adjacent to the light emitting surface of the light emitting diode. The waterproof layer covers the first non-light emitting surface and the second non-light emitting surface of the light emitting diode. The waterproof layer includes an adhesive, a substrate, a recessed portion of the light guide plate, a portion of the circuit board or a combination thereof. A display device including the waterproof light emitting module is also provided herein.Type: GrantFiled: April 12, 2018Date of Patent: July 7, 2020Assignee: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, Mei-Chen Chang, Yu-Nan Pao, Hsin-Tao Huang, Ming-Chuan Hung
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Patent number: 10656445Abstract: A display device includes a transparent cover, a photovoltaic conversion layer, a display module, and a planarization layer. The transparent cover has a visible region and an edge region that surrounds the visible region. The photovoltaic conversion layer is located on the edge region of the transparent cover. A stage difference is formed by the photovoltaic conversion layer and the visible region of the transparent cover. The display module is electrically connected to the photovoltaic conversion layer. The planarization layer is located between the display module and the photovoltaic conversion layer, and is located between the display module and the visible region of the transparent cover. The thickness of the planarization layer is greater than the stage difference.Type: GrantFiled: May 17, 2017Date of Patent: May 19, 2020Assignee: E Ink Holdings Inc.Inventors: Chia-I Liu, Cheng-Hang Hsu, Hsin-Tao Huang
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Publication number: 20190302900Abstract: A display device includes a reflective display panel, a surface layer and an optically encoded pattern. The surface layer is disposed over the reflective display panel. The optically encoded pattern has a plurality of optical codes respectively corresponding to a plurality of positions of the reflective display panel, and the optically encoded pattern is displayed by the reflective display panel or disposed between the reflective display panel and the surface layer.Type: ApplicationFiled: March 21, 2019Publication date: October 3, 2019Inventors: Cheng-Hsien LIN, Hsin-Tao HUANG