Patents by Inventor Hsing-Lung Wang
Hsing-Lung Wang 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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Patent number: 11086170Abstract: A display device includes a first substrate, a second substrate, a display medium layer, a sealant, a first film layer, a first protection pattern, and a first alignment layer. The display medium layer is disposed between the first substrate and the second substrate. The sealant is disposed between the first substrate and the second substrate and surrounds the display medium layer. The first film layer is disposed on the first substrate between the first substrate and the display medium layer. The first protection pattern is disposed between the first film layer and the sealant. The first alignment layer is disposed on the first substrate between the first film layer and the display medium layer. The first protection pattern is in contact with the sealant and exposed by the first alignment layer. The first protection pattern and the first alignment layer are both in contact with the first film layer.Type: GrantFiled: May 20, 2020Date of Patent: August 10, 2021Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang, Hua-Hsin Wang, Ying-Chin Huang
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Patent number: 11036091Abstract: A display panel may have a first region and a second region encircled by the first region. The display panel may include first substrate, second substrate, sealant, conductive layer, and display medium layer. The first substrate may have a first recess in the first region. The second substrate may be disposed opposite to the first substrate. The sealant may be disposed between the first and second substrates, and may be received by the first recess. The conductive layer may be disposed on the first substrate, cover the first recess in a conformal manner, and be interposed between the first substrate and the sealant. The display medium layer may be disposed between the first and second substrates and may be encircled by the sealant. A thickness of the sealant may be larger than a distance between the first substrate and the second substrate in the second region.Type: GrantFiled: November 20, 2018Date of Patent: June 15, 2021Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Ya-Jou Chen, Hsing-Lung Wang, Kuan-Hsu Fan-Chiang
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Patent number: 10969633Abstract: A method of fabricating a display panel includes providing a first substrate and a second substrate, forming an alignment material layer on one of the first substrate and the second substrate and patterning the alignment material layer to form an individual central portion, forming a hydrophobic surface extending from an edge of the individual central portion toward an edge of the one of the first substrate and the second substrate, forming a sealant material on the one of the first substrate and the second substrate, dropping a display medium material on the individual central portion, assembling the first substrate and the second substrate with the sealant material and curing the sealant material to form a sealant. A gap separates the sealant material from the individual central portion and the hydrophobic surface extends in the gap. The display medium material is restricted by the hydrophobic surface and does not contact the sealant material.Type: GrantFiled: March 30, 2020Date of Patent: April 6, 2021Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang
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Patent number: 10866465Abstract: A display panel includes a first substrate and a second substrate assembled together, a display medium layer between the first and second substrates, a sealant between the first and second substrates and surrounding the display medium layer, a first alignment layer between the first substrate and the display medium layer, a second alignment layer between the second substrate and the display medium layer, and a hydrophobic surface. One of the first alignment layer and the second alignment layer has an individual central portion. The hydrophobic surface extends from an edge of the individual central portion toward an edge of the one of the first substrate and the second substrate. The sealant at least extends between the hydrophobic surface and the edge of the one of the first substrate and the second substrate. The hydrophobic surface includes a hydrophobic material that is more hydrophobic than the individual central portion.Type: GrantFiled: March 25, 2019Date of Patent: December 15, 2020Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang
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Publication number: 20200310177Abstract: A method of fabricating a display panel includes providing a first substrate and a second substrate, forming an alignment material layer on one of the first substrate and the second substrate and patterning the alignment material layer to form an individual central portion, forming a hydrophobic surface extending from an edge of the individual central portion toward an edge of the one of the first substrate and the second substrate, forming a sealant material on the one of the first substrate and the second substrate, dropping a display medium material on the individual central portion, assembling the first substrate and the second substrate with the sealant material and curing the sealant material to form a sealant. A gap separates the sealant material from the individual central portion and the hydrophobic surface extends in the gap. The display medium material is restricted by the hydrophobic surface and does not contact the sealant material.Type: ApplicationFiled: March 30, 2020Publication date: October 1, 2020Applicant: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang
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Publication number: 20200310176Abstract: A display panel includes a first substrate and a second substrate assembled together, a display medium layer between the first and second substrates, a sealant between the first and second substrates and surrounding the display medium layer, a first alignment layer between the first substrate and the display medium layer, a second alignment layer between the second substrate and the display medium layer, and a hydrophobic surface. One of the first alignment layer and the second alignment layer has an individual central portion. The hydrophobic surface extends from an edge of the individual central portion toward an edge of the one of the first substrate and the second substrate. The sealant at least extends between the hydrophobic surface and the edge of the one of the first substrate and the second substrate. The hydrophobic surface includes a hydrophobic material that is more hydrophobic than the individual central portion.Type: ApplicationFiled: March 25, 2019Publication date: October 1, 2020Applicant: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang
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Patent number: 10684514Abstract: A display panel includes a first substrate and a second substrate assembled together with a sealant, and the resultant assembly encloses a display medium layer. An organic alignment layer and an inorganic alignment layer are disposed between the first substrate and the display medium layer. A first gap exists between the inorganic alignment layer and the sealant, and the organic alignment layer is located in the first gap. The inorganic alignment layer may contact the display medium layer, and the organic alignment layer may be in contact with the display medium layer in the first gap. A portion of the organic alignment layer may overlap the inorganic alignment layer. The inorganic alignment layer may be coated with a coating of hydrophobic molecules. The display panel may further include an opposite organic alignment layer and an opposite inorganic alignment layer between the second substrate and the display medium layer.Type: GrantFiled: June 8, 2018Date of Patent: June 16, 2020Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang, Kuan-Hsu Fan-Chiang, Yuet-Wing Li, Ya-Jou Chen, Tung-Feng Wu, Chia-Yeh Tsai
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Publication number: 20200159051Abstract: A display panel may have a first region and a second region encircled by the first region. The display panel may include first substrate, second substrate, sealant, conductive layer, and display medium layer. The first substrate may have a first recess in the first region. The second substrate may be disposed opposite to the first substrate. The sealant may be disposed between the first and second substrates, and may be received by the first recess. The conductive layer may be disposed on the first substrate, cover the first recess in a conformal manner, and be interposed between the first substrate and the sealant. The display medium layer may be disposed between the first and second substrates and may be encircled by the sealant. A thickness of the sealant may be larger than a distance between the first substrate and the second substrate in the second region.Type: ApplicationFiled: November 20, 2018Publication date: May 21, 2020Applicant: Himax Display, Inc.Inventors: Po-Hung Pan, Ya-Jou Chen, Hsing-Lung Wang, Kuan-Hsu Fan-Chiang
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Publication number: 20190377212Abstract: A display panel includes a first substrate and a second substrate assembled together with a sealant, and the resultant assembly encloses a display medium layer. An organic alignment layer and an inorganic alignment layer are disposed between the first substrate and the display medium layer. A first gap exists between the inorganic alignment layer and the sealant, and the organic alignment layer is located in the first gap. The inorganic alignment layer may contact the display medium layer, and the organic alignment layer may be in contact with the display medium layer in the first gap. A portion of the organic aligmnent layer may overlap the inorganic alignment layer. The inorganic alignment layer may be coated with a coating of hydrophobic molecules. The display panel may further include an opposite organic alignment layer and an opposite inorganic alignment layer between the second substrate and the display medium layer.Type: ApplicationFiled: June 8, 2018Publication date: December 12, 2019Applicant: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang, Kuan-Hsu Fan-Chiang, Yuet-Wing Li, Ya-Jou Chen, Tung-Feng Wu, Chia-Yeh Tsai
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Patent number: 10371982Abstract: A display panel according to an embodiment is provided and includes a top substrate having an outer surface; a display layer covered by the top substrate; a patterned light shielding layer disposed on the outer surface of the top substrate and located within the first region; and a patterned oxide layer disposed on the outer surface of the top substrate. The outer surface comprises a first region and a second region beside the first region. An edge of the patterned light shielding layer at least partially overlaps a boundary between the first region and the second region. The patterned oxide layer is located within one of the first region and the second region while exposes the other of the first region and the second region.Type: GrantFiled: June 23, 2017Date of Patent: August 6, 2019Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang, Jia-Lung Tsai, Tung-Feng Wu
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Publication number: 20180374402Abstract: A display panel according to an embodiment is provided and includes a top substrate having an outer surface; a display layer covered by the top substrate; a patterned light shielding layer disposed on the outer surface of the top substrate and located within the first region; and a patterned oxide layer disposed on the outer surface of the top substrate. The outer surface comprises a first region and a second region beside the first region. An edge of the patterned light shielding layer at least partially overlaps a boundary between the first region and the second region. The patterned oxide layer is located within one of the first region and the second region while exposes the other of the first region and the second region.Type: ApplicationFiled: June 23, 2017Publication date: December 27, 2018Applicant: Himax Display, Inc.Inventors: Po-Hung Pan, Hsing-Lung Wang, Jia-Lung Tsai, Tung-Feng Wu
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Publication number: 20170045768Abstract: Provided is a method of fabricating a liquid crystal display panel. An active device array substrate and an opposite substrate are provided, wherein the active device array substrate includes a first substrate and a first electrode layer, and the opposite substrate includes a second substrate and a second electrode layer. A first alignment film is formed on the first electrode layer and a second alignment film is formed on the second electrode layer. A sealant composition including an adhesive and conductive particles is applied on one of the first alignment film and the second alignment film. The active device array substrate and the opposite substrate are assembled, wherein the assembling step includes heating the sealant composition so as to merge a part of the conductive particles into a conductive material piercing through the first alignment film and the second alignment film, respectively.Type: ApplicationFiled: August 11, 2015Publication date: February 16, 2017Inventors: Chia-Yeh Tsai, Hsing-Lung Wang, Kuan-Hsu Fan Chiang, Hsien-Chang Tsai
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Patent number: 9291866Abstract: A liquid crystal display panel including a bottom layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a top layer and a plurality of conductive connectors electrically connecting the top layer and the bottom layer is provided. Each of the plurality of conductive connectors includes conductive powders.Type: GrantFiled: March 28, 2014Date of Patent: March 22, 2016Assignee: Himax Display, Inc.Inventors: Wen-Hsu Chen, Hsing-Lung Wang, Yuet-Wing Li, Kuan-Hsu Fan-Chiang
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Publication number: 20150277167Abstract: A liquid crystal display panel including a bottom layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a top layer and a plurality of conductive connectors electrically connecting the top layer and the bottom layer is provided. Each of the plurality of conductive connectors includes conductive powders.Type: ApplicationFiled: March 28, 2014Publication date: October 1, 2015Applicant: Himax Display, Inc.Inventors: Wen-Hsu Chen, Hsing-Lung Wang, Yuet-Wing Li, Kuan-Hsu Fan-Chiang
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Patent number: 8174630Abstract: A reflective liquid crystal display panel capable of performing data programming and/or data erasing via a polarized light is provided. The reflective liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a transflective film, a retarder and a polarizer. The second substrate is disposed over the first substrate. The liquid crystal layer is located between the first substrate and the second substrate and an optical aligned material is doped in the liquid crystal layer. The transflective film is disposed below the first substrate, and the transflective film allows the polarized light to pass through, so that the orientation of the optical aligned material doped liquid crystal layer can be controlled by the polarized light. The transflective film reflects external light source. The retarder is disposed between the transflective film and the first substrate. The polarizer is disposed on the second substrate.Type: GrantFiled: July 26, 2006Date of Patent: May 8, 2012Assignee: Industrial Technology Research InstituteInventors: Wei-Ting Hsu, Tsung-Hsien Lin, Hsing-Lung Wang, Chi-Chang Liao
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Patent number: 7733458Abstract: To obtain truly flexible electro-optic films for image display or other related applications and to obtain a low cost solution for making electro-optic films, a new concept for manufacturing such films is disclosed. The method disclosed in this invention include mixing liquid crystal with “sponge particles” having fibril or porous surface morphology, coating such mixture directly on substrates with conductive electrodes and laminating with release liner or another substrate having conductive electrodes. The electro-optic films manufactured by using traditional R2R coating techniques. The electro-optic film manufactured by the method disclosed in the invention can be used for segment type, passive matrix type or active matrix type display applications or other related applications.Type: GrantFiled: July 28, 2006Date of Patent: June 8, 2010Assignee: Industrial Technology Research InstituteInventors: Wei-Hsin Hou, Hsing-Lung Wang, Chi-Chang Liao, Kang-Hung Liu, Shie-Chang Jeng
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Patent number: 7660026Abstract: The invention is directed to a method for forming a flexible electro-optic film. The method comprises steps of providing a first substrate having a conductive layer formed thereon and then forming a first locating structure over the conductive layer, wherein the locating structure includes target regions and periphery regions. The surface tension of the target regions is difference from that of the periphery regions. Thereafter, an electro-optic medium placing process for forming an electro-optic droplet on each of the target regions is performed. A solidifying process for forming a capsule wall covering the electro-optic droplet on each of the target regions is performed. The first substrate is laminated with a second substrate.Type: GrantFiled: February 15, 2007Date of Patent: February 9, 2010Assignee: Industrial Technology Research InstituteInventors: Wei-Hsin Hou, Jau-Min Ding, Hsing-Lung Wang, Chi-Chang Liao, Yan-Rung Lin
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Patent number: 7605967Abstract: An electro-optical modulator includes a substrate, a first electrode over the substrate, a second electrode over the first electrode, the first electrode and second electrode being capable of providing an electric field between the first electrode and the second electrode, and a modulating structure between the first electrode and the second electrode, the modulating structure containing at least one liquid crystal cell capable of operating in one of a reflective mode and a transmissive mode under the control of the electrical field.Type: GrantFiled: August 3, 2006Date of Patent: October 20, 2009Assignee: Industrial Technology Research InstituteInventors: Hsing-Lung Wang, Wei-Ting Hsu, Chu-Chun Yen, Chi-Lun Ting, Wei-Hsin Hou, Chi-Chang Liao, Shie-Chang Jeng
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Patent number: 7599025Abstract: A vertical pixel structure for emi-flective display and a method thereof are provided. The vertical pixel structure has a substrate, a emitting pixel unit arranged on the substrate and a reflective pixel unit arranged on the emitting pixel unit. By using the vertical pixel structure the aperture of the display can be increased, and the power consumption can be reduced as well.Type: GrantFiled: January 2, 2006Date of Patent: October 6, 2009Assignee: Industrial Technology Research InstituteInventors: Yung-Hui Yeh, Yu-Wu Wang, Yu-Lung Liu, Chi-Chang Liao, Hsing-Lung Wang
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Patent number: 7592052Abstract: Substrate structures, liquid crystal display devices and methods of fabricating liquid crystal display devices. A substrate structure comprises a transparent substrate having an electrode layer thereon. A first alignment layer is formed on the transparent substrate. A second alignment layer is selectively formed on the first alignment, wherein alignment orientations of liquid crystal molecules on the first and second alignment layers are different.Type: GrantFiled: July 6, 2006Date of Patent: September 22, 2009Assignee: Industrial Technology Reseach InstituteInventors: Yi-An Sha, Chi-Chang Liao, Hsing-Lung Wang, Pei-Ju Su