Patents by Inventor Tsai-Wei Shei
Tsai-Wei Shei 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: 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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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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Patent number: 11619776Abstract: A light guide assembly includes a light guide plate and a light source. The light guide plate has a through hole, an inner sidewall that surrounds the through hole, and an outer sidewall that surrounds the inner sidewall. The inner sidewall has a halo elimination structure that faces the through hole. The outer sidewall has a light incident surface. The light source faces the light incident surface of the outer sidewall of the light guide plate.Type: GrantFiled: November 6, 2019Date of Patent: April 4, 2023Assignee: E Ink Holdings Inc.Inventors: Hsin-Hao Jen, Tsai-Wei Shei, Chin-Chi Yu, Chih-Chun Chen
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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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Patent number: 11041616Abstract: 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: GrantFiled: September 17, 2020Date of Patent: June 22, 2021Assignee: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, Yen-Ze Huang, Ching-Huan Liao, Yu-Chuan Wen, Sheng-Chieh Tai
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Publication number: 20210080098Abstract: 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: ApplicationFiled: September 17, 2020Publication date: March 18, 2021Inventors: Tsai-Wei SHEI, Yen-Ze HUANG, Ching-Huan LIAO, Yu-Chuan WEN, Sheng-Chieh TAI
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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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Publication number: 20200192021Abstract: A light guide assembly includes a light guide plate and a light source. The light guide plate has a through hole, an inner sidewall that surrounds the through hole, and an outer sidewall that surrounds the inner sidewall. The inner sidewall has a halo elimination structure that faces the through hole. The outer sidewall has a light incident surface. The light source faces the light incident surface of the outer sidewall of the light guide plate.Type: ApplicationFiled: November 6, 2019Publication date: June 18, 2020Inventors: Hsin-Hao JEN, Tsai-Wei SHEI, Chin-Chi YU, Chih-Chun CHEN
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Patent number: 10670257Abstract: A waterproof light emitting module includes a circuit board, a light emitting diode, a light guide plate, first, second, and third waterproof layers. The light emitting diode is over the circuit board and has a light emitting surface, and first and second non-light emitting surfaces. The light emitting surface is opposite to the first non-light emitting surface. The second non-light emitting surface is between the light emitting surface and the first non-light emitting surface. A center of the light guide plate is substantially aligned with a center of the light emitting diode along a direction perpendicular to the light emitting surface. The light emitting diode is between the first waterproof layer and the light guide plate. The second waterproof layer covers the second non-light emitting surface. The third waterproof layer is between the second waterproof layer and the light guide plate.Type: GrantFiled: September 17, 2019Date of Patent: June 2, 2020Assignee: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, Chih-Ching Yen, Hsin-Hao Jen, Chin-Chi Yu, Chih-Chun Chen
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Publication number: 20200011522Abstract: A waterproof light emitting module includes a circuit board, a light emitting diode, a light guide plate, first, second, and third waterproof layers. The light emitting diode is over the circuit board and has a light emitting surface, and first and second non-light emitting surfaces. The light emitting surface is opposite to the first non-light emitting surface. The second non-light emitting surface is between the light emitting surface and the first non-light emitting surface. A center of the light guide plate is substantially aligned with a center of the light emitting diode along a direction perpendicular to the light emitting surface. The light emitting diode is between the first waterproof layer and the light guide plate. The second waterproof layer covers the second non-light emitting surface. The third waterproof layer is between the second waterproof layer and the light guide plate.Type: ApplicationFiled: September 17, 2019Publication date: January 9, 2020Inventors: Tsai-Wei SHEI, Chih-Ching YEN, Hsin-Hao JEN, Chin-Chi YU, Chih-Chun CHEN
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Patent number: 10451788Abstract: A front light module including a plurality of stacked transparent materials and a plurality of light sources is provided. The light sources are configured to provide light beams, and are disposed beside the light incident surface of the transparent materials. An edge portion is at a location of at least one of these transparent materials which is adjacent to the light sources. The edge portion includes a plurality of first sub-edges and a plurality of second sub-edges. The first sub-edges are disposed corresponding to the light sources. The first sub-edges and the second sub-edges are arranged alternately in a row, and one of the distances from the first sub-edges to the light entering surface is greater than one of the distances from the second sub-edges to the light entering surface. Furthermore, a display module is also provided.Type: GrantFiled: June 16, 2016Date of Patent: October 22, 2019Assignee: E INK HOLDINGS INC.Inventors: Ching-Huan Liao, Tsai-Wei Shei
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Patent number: 10330860Abstract: 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: GrantFiled: January 11, 2018Date of Patent: June 25, 2019Assignee: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, Cheng-Hsien Lin, Hsin-Tao Huang
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Publication number: 20190056099Abstract: 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: ApplicationFiled: April 12, 2018Publication date: February 21, 2019Inventors: Tsai-Wei SHEI, Mei-Chen CHANG, Yu-Nan PAO, Hsin-Tao HUANG, Ming-Chuan HUNG
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Publication number: 20180252862Abstract: 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: ApplicationFiled: January 11, 2018Publication date: September 6, 2018Inventors: Tsai-Wei SHEI, Cheng-Hsien LIN, Hsin-Tao HUANG
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Patent number: 9791613Abstract: A display device includes a first light source module, a display panel and a transparent filling. The first light source module includes at least one first light source and a first light guide plate (LGP). The first LGP includes a first light-incident surface and a first light-emitting surface. The first light-emitting surface connects the first light-incident surface. The display panel is disposed adjacent to the first LGP. The transparent filling connects the display panel and the first light-emitting surface. The refractive index of the transparent filling is smaller than that of the first LGP and smaller than or equal to that of a surface material of the display panel. The first light source emits a first light beam into the first LGP through the first light-incident surface, and the first light beam is emitted from the first light-emitting surface and transmitted to the display panel through the transparent filling.Type: GrantFiled: November 11, 2015Date of Patent: October 17, 2017Assignee: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, Hsin-Tao Huang
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Patent number: 9733422Abstract: A reflective display apparatus includes a reflective display panel, a light guide plate, an elastic ring, a light permeable liquid and a holding device. The elastic ring is sandwiched between the reflective display panel and the light guide plate, and it spaces the reflective display panel and the light guide plate apart defines a space between the reflective display panel and the light guide plate. The light permeable liquid is located in the space. The holding device holds the reflective display panel and the light guide plate, thereby pressing against the elastic ring and making the elastic ring deform.Type: GrantFiled: July 22, 2015Date of Patent: August 15, 2017Assignee: E Ink Holdings Inc.Inventors: Tsai-Wei Shei, I-Jeng Chen, Hsin-Tao Huang, Yu-Nan Pao, Sheng-Chieh Tai
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Publication number: 20170082792Abstract: A front light module including a plurality of stacked transparent materials and a plurality of light sources is provided. The light sources are configured to provide light beams, and are disposed beside the light incident surface of the transparent materials. An edge portion is at a location of at least one of these transparent materials which is adjacent to the light sources. The edge portion includes a plurality of first sub-edges and a plurality of second sub-edges. The first sub-edges are disposed corresponding to the light sources. The first sub-edges and the second sub-edges are arranged alternately in a row, and one of the distances from the first sub-edges to the light entering surface is greater than one of the distances from the second sub-edges to the light entering surface. Furthermore, a display module is also provided.Type: ApplicationFiled: June 16, 2016Publication date: March 23, 2017Inventors: Ching-Huan Liao, Tsai-Wei Shei
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Apparatus having light guide for illuminating a display unit and for illuminating a patterned region
Patent number: 9519100Abstract: A display apparatus is provided. A display unit has a display region. A protecting cover has a patterned region, wherein the patterned region does not overlap the display region. A light guide plate is disposed between the display unit and the protecting cover and has a first light scattering region and a second light scattering region. The first light scattering region at least partially overlaps the display region, and the second light scattering region at least partially overlaps the patterned region. A light emitting unit emits a light beam to the light guide plate. After the light beam enters the light guide plate, a part of the light beam is scattered to the display region by the first light scattering region and another part of the light beam is scattered to the patterned region by the second light scattering region.Type: GrantFiled: April 9, 2014Date of Patent: December 13, 2016Assignee: E Ink Holdings Inc.Inventors: I-Jeng Chen, Sheng-Chieh Tai, Tsai-Wei Shei, Yao-Tsung Shih, Yu-Nan Pao -
Publication number: 20160299284Abstract: A reflective display apparatus includes a reflective display panel, a light guide plate, an elastic ring, a light permeable liquid and a holding device. The elastic ring is sandwiched between the reflective display panel and the light guide plate, and it spaces the reflective display panel and the light guide plate apart defines a space between the reflective display panel and the light guide plate. The light permeable liquid is located in the space. The holding device holds the reflective display panel and the light guide plate, thereby pressing against the elastic ring and making the elastic ring deform.Type: ApplicationFiled: July 22, 2015Publication date: October 13, 2016Inventors: Tsai-Wei SHEI, I-Jeng CHEN, Hsin-Tao HUANG, Yu-Nan PAO, Sheng-Chieh TAI