Patents Assigned to Himax Display, Inc.
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Publication number: 20210325676Abstract: A head up display system is provided and includes an image source, an image adjustment device, a controller, and a reflector. The image source is adapted to output an image with an image light traveling in a light path. The image adjustment device is positioned on the light path of the image light, wherein the image adjustment device comprises a liquid crystal panel. The controller is adapted to control the image adjustment device. The reflector is adapted to reflect the image light passing through the image adjustment device to a projection screen. A display method of a head up display system is also provided in the disclosure.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Applicant: Himax Display, Inc.Inventor: Kuan-Hsu Fan-Chiang
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Patent number: 11119370Abstract: A display panel according to an embodiment has a first region and a second region beside the first region, and includes a top substrate, a bottom substrate and a display layer disposed between the top and the bottom substrate. The top substrate comprises a support plate having an outer surface, a patterned light shielding layer disposed on the outer surface of the support plate and located within the first region, and a patterned anti-reflective layer disposed on the outer surface of the support plate and being blank at the first region. The patterned light shielding layer of the display panel may be formed on the outer surface of the support plate via a wet process and may be patterned with sharp edges and good linearity to provide the desirable light shielding effect.Type: GrantFiled: January 29, 2018Date of Patent: September 14, 2021Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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Patent number: 11086168Abstract: A display panel includes a first substrate, a second substrate, a display medium layer, and a sealant. The display medium layer may be disposed between the top substrate and the bottom substrate. The sealant may be disposed between the first substrate and the second substrate and surround the display medium layer. At least one of the first substrate and the second substrate includes a support plate and an alignment layer. The alignment layer may be disposed on the support plate between the support plate and the display medium layer. A perimeter of the alignment layer may be completely encapsulated by the sealant. The at least one of the first substrate and the second substrate may have a plurality of microstructures positioned between the perimeter of the alignment layer and an edge of the support plate.Type: GrantFiled: December 11, 2019Date of Patent: August 10, 2021Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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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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Publication number: 20210223612Abstract: A display panel is provided and includes a first substrate, a second substrate, a light shielding layer, a scattering pattern, a sealant, and a display medium layer. The second substrate is opposite to the first substrate. The light shielding layer is disposed on a top surface of the first substrate away from the second substrate. The scattering pattern is disposed underneath the light shielding layer. The sealant is disposed between the first substrate and the second substrate and shielded by the light shielding layer. The display medium layer is disposed between the first substrate and the second substrate and surrounded by the sealant.Type: ApplicationFiled: January 22, 2020Publication date: July 22, 2021Applicant: Himax Display, Inc.Inventor: Po-Hung Pan
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Publication number: 20210208391Abstract: A head up display system is provided and includes an image source, an image adjustment device, a controller, and a reflector. The image source is adapted to output an image with an image light traveling in a light path. The image adjustment device is positioned on the light path of the image light, wherein the image adjustment device comprises a liquid crystal panel. The controller is adapted to control the image adjustment device. The reflector is adapted to reflect the image light passing through the image adjustment device to a projection screen. A display method of a head up display system is also provided in the disclosure.Type: ApplicationFiled: January 8, 2020Publication date: July 8, 2021Applicant: Himax Display, Inc.Inventor: Kuan-Hsu Fan-Chiang
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Publication number: 20210181552Abstract: A display panel includes a first substrate, a second substrate, a display medium layer, and a sealant. The display medium layer may be disposed between the top substrate and the bottom substrate. The sealant may be disposed between the first substrate and the second substrate and surround the display medium layer. At least one of the first substrate and the second substrate includes a support plate and an alignment layer. The alignment layer may be disposed on the support plate between the support plate and the display medium layer. A perimeter of the alignment layer may be completely encapsulated by the sealant. The at least one of the first substrate and the second substrate may have a plurality of microstructures positioned between the perimeter of the alignment layer and an edge of the support plate.Type: ApplicationFiled: December 11, 2019Publication date: June 17, 2021Applicant: Himax Display, Inc.Inventor: Po-Hung Pan
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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: 11029908Abstract: A head mounted display (HMD) apparatus is provided. The HMD apparatus includes a first lens, a second lens, a first micro-display disposed on the first lens, a second micro-display disposed on the second lens, a first light source, a second light source, and an eyeglass frame. A first side of the first micro-display corresponding to a first rubbing alignment processing direction and a first side of the second micro-display corresponding to a second rubbing alignment processing direction are symmetric with respect to a center line of the eyeglass frame between the first lens and the second lens. A first incident light emitted by the first light source is obliquely emitted from the first side of the first micro-display toward the first micro-display and a second incident light emitted by the second light source is obliquely emitted from the first side of the second micro-display toward the second micro-display.Type: GrantFiled: August 28, 2019Date of Patent: June 8, 2021Assignee: Himax Display, Inc.Inventors: Chi-Wen Lin, Wen-Hsu Chen, Yuet-Wing Li, Kuan-Hsu Fan Chiang
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Publication number: 20210116731Abstract: A display panel including a first substrate, a second substrate, a display medium layer and a sealant is provided. The second substrate is assembled with the first substrate. 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, surrounds the display medium layer and includes a continuous one-piece pattern, wherein the continuous one-piece pattern includes a first segment and a second segment, and a difference between a width of the first segment and a width of the second segment is greater than or equal to a third of the width of the second segment.Type: ApplicationFiled: December 24, 2020Publication date: April 22, 2021Applicant: Himax Display, Inc.Inventors: Ya-Jou Chen, Po-Hung Pan
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Patent number: 10976589Abstract: A display panel according to an embodiment has a first region and a second region surrounded by the first region. The display panel may include a top substrate, a bottom substrate opposite to the top substrate, and a sealant and a display medium layer disposed between the top substrate and the bottom substrate. The top substrate may include a blanket anti-reflective layer disposed on an upper surface of the top substrate, a patterned light shielding layer disposed in the first region of the display panel, and a packaging structure packing the patterned light shielding layer. The patterned light shielding layer may be in direct contact with an upper surface of the blanket anti-reflective layer.Type: GrantFiled: April 17, 2018Date of Patent: April 13, 2021Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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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: 20200379286Abstract: A display panel includes a first substrate, a second substrate, a display medium layer, a sealant and a conductor. The first and second substrates are assembled via the sealant that surrounds the display medium layer disposed between the first and second substrates. The second substrate includes a second conductive layer and a passivation layer disposed on the second conductive layer. The passivation layer reveals a portion of the second conductive layer. The conductor electrically connects a first conductive layer of the first substrate to the revealed portion of the second conductive layer and is disposed between the sealant and an edge of the display panel. A first conductive protrusion and a second conductive protrusion are sequentially disposed on one of the first and second substrates to form the conductor. A material of the second conductive protrusion may be formed from a conductive composite material, that may include a curable material.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Applicant: Himax Display, Inc.Inventor: Po-Hung Pan
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Patent number: 10831070Abstract: A display panel according to an embodiment includes a top substrate, a bottom substrate, a display medium layer, and a sealing structure. The bottom substrate is opposite to the top substrate, and the display medium layer is disposed between the top substrate and the bottom substrate. The sealing structure is sandwiched between the top substrate and the bottom substrate. The sealing structure encircles the display medium layer. The sealing structure includes a sealing layer and a sealing barrier. The sealing layer includes at least an inner sealing portion. The sealing barrier encircles the inner sealing portion of the sealing layer. The sealing barrier is made of an inorganic material. The inner sealing portion is positioned between the sealing barrier and the display medium layer.Type: GrantFiled: October 1, 2018Date of Patent: November 10, 2020Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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Patent number: 10831073Abstract: A liquid crystal on silicon (LCOS) display includes a substrate; a wafer disposed on a top surface of the substrate; a liquid crystal (LC) layer disposed on a top surface of the wafer; a sealant enclosing the LC layer; an electrode layer disposed on a top surface of the LC layer, which is confined by the wafer, the sealant and the electrode layer; at least one conductive adhesive disposed and electrically coupled between the electrode layer and the substrate; and a barrier disposed adjacent to the conductive adhesive and disposed between the electrode layer and the wafer to block particles of the conductive adhesive from entering a location between the electrode layer and the wafer.Type: GrantFiled: December 3, 2019Date of Patent: November 10, 2020Assignee: Himax Display, Inc.Inventor: Meng-Ju Wu
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Patent number: 10832635Abstract: A display apparatus having a display panel, a humidity DETECTION method thereof and a GAMMA curve calibration method are provided. A humidity detection method and a gamma curve calibration method for the display panel of the display apparatus are also provided. The humidity detection method for the display panel includes: displaying a test pattern via the display panel; projecting an incident light to the test pattern of the display panel via a light source to generate a diffraction light; and detecting the diffraction light via a light detector to obtain a humidity information of the display panel. Therefore, a gamma setting of the display panel may be adjusted via the humidity information of the display panel.Type: GrantFiled: March 12, 2019Date of Patent: November 10, 2020Assignee: Himax Display, Inc.Inventors: Hsiu-Yin Cheng, Biing-Seng Wu, Kuan-Hsu Fan-Chiang
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Publication number: 20200348546Abstract: A display panel including a first substrate, a second substrate, a display medium layer and a sealant is provided. The second substrate is assembled with the first substrate. 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, surrounds the display medium layer and includes a continuous one-piece pattern, wherein the continuous one-piece pattern includes a first segment and a second segment, and a difference between a width of the first segment and a width of the second segment is greater than or equal to a third of the width of the second segment.Type: ApplicationFiled: April 30, 2019Publication date: November 5, 2020Applicant: Himax Display, Inc.Inventors: Ya-Jou Chen, Po-Hung Pan
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Patent number: 10802325Abstract: A display panel and a fabricating method are provided. A display panel may include a top substrate, a bottom substrate, and a display medium layer. The display medium layer may be disposed between the top substrate and the bottom substrate. The top substrate may include a support plate and a light shielding layer. The support plate may have a bottom surface facing the display medium layer and a top surface. The support plate includes a recess structure formed at the top surface and encircling an active region of the top substrate. The light shielding layer is disposed on the top surface of the support plate. The recess structure is at least partially located between the active region and the light shielding layer. A bottom surface of the light shielding layer may be further from the bottom surface of the support plate than a bottom surface of the recess structure.Type: GrantFiled: November 5, 2018Date of Patent: October 13, 2020Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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Patent number: 10802346Abstract: A display panel includes a top substrate, a bottom substrate, a display medium layer disposed between the top substrate and the bottom substrate, and a sealant. The sealant includes a frame portion surrounding a region and the display medium layer distributing in the region, and an injection portion connected to the frame portion. The injection portion has a channel path, an inner opening and an outer opening. The channel path is communicated to the region at the inner opening, and the outer opening is at a distal end of the channel path away from the region. The injection portion includes a first wall, a second wall, and a third wall. The first wall is spaced from the second wall at a first direction to form the outer opening. The third wall is spaced from the second wall at a second direction and shields the outer opening.Type: GrantFiled: May 23, 2019Date of Patent: October 13, 2020Assignee: Himax Display, Inc.Inventors: Po-Hung Pan, Hua-Hsin Wang