Patents by Inventor Harumi Okuno
Harumi Okuno 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: 20230383122Abstract: Cover film has a base material layer and a surface layer chemically bonded to the base material layer, where the surface layer includes a polyurethane resin X1 containing urethane and urea units and a polyorganosiloxane group in the molecule, the polyurethane resin X1 is a reaction product of a non-yellowing-type isocyanate component B1 with an active hydrogen component A1 including a compound a1-1, the base material layer includes a polyurethane resin X2 having a urethane bond in the molecule, and the polyurethane resin X2 is a reaction product of a non-yellowing-type isocyanate component B2 with an active hydrogen component A2 which does not include the compound a1-1, and has a certain crosslinking point concentration and also has a certain elastic recovery rate.Type: ApplicationFiled: May 31, 2023Publication date: November 30, 2023Applicants: LG DISPLAY CO., LTD., Sanyo Chemical Industries, Ltd., Bando Chemical Industries, Ltd.Inventors: Harumi OKUNO, Takayuki OTA, Masafumi SAWADA, Atsushi WAKATSUKI, Yutaka KAMADA
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Publication number: 20230168542Abstract: A liquid crystal panel is provided and includes first and second substrates with liquid crystal layer therebetween; and first electrode in display region; second electrode disposed between first electrode and first substrate; and alignment film having alignment direction, wherein first electrode has: pair of electrode branches; slit between pair of electrode branches; first and second connections connecting pair of electrode branches; wherein first electrode has areas including first and second bent portions, main portion disposed between first and second bent portions, wherein first bent portion is adjacent to contact hole of first electrode, wherein first and second bent portions are bent relative to main portion, and wherein direction of first bent portion is substantially parallel to direction of second bent portion.Type: ApplicationFiled: January 27, 2023Publication date: June 1, 2023Inventors: Yoshihiro SAKURAI, Hironao TANAKA, Harumi OKUNO, Takeo KOITO
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Patent number: 11567369Abstract: A liquid crystal panel is provided and includes first and second substrates with liquid crystal layer therebetween; and first electrode in display region; second electrode disposed between first electrode and first substrate; and alignment film having alignment direction, wherein first electrode has: pair of electrode branches; slit between pair of electrode branches; first and second connections connecting pair of electrode branches; wherein first electrode has areas including first and second bent portions, main portion disposed between first and second bent portions, wherein first bent portion is adjacent to contact hole of first electrode, wherein first and second bent portions are bent relative to main portion, and wherein direction of first bent portion is substantially parallel to direction of second bent portion.Type: GrantFiled: June 4, 2021Date of Patent: January 31, 2023Assignee: Japan Display Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
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Publication number: 20210294135Abstract: A liquid crystal panel is provided and includes first and second substrates with liquid crystal layer therebetween; and first electrode in display region; second electrode disposed between first electrode and first substrate; and alignment film having alignment direction, wherein first electrode has: pair of electrode branches; slit between pair of electrode branches; first and second connections connecting pair of electrode branches; wherein first electrode has areas including first and second bent portions, main portion disposed between first and second bent portions, wherein first bent portion is adjacent to contact hole of first electrode, wherein first and second bent portions are bent relative to main portion, and wherein direction of first bent portion is substantially parallel to direction of second bent portion.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Inventors: Yoshihiro SAKURAI, Hironao TANAKA, Harumi OKUNO, Takeo KOITO
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Patent number: 11029567Abstract: A liquid crystal panel includes pixels arranged in first and second directions and having a pixel region and including: first and second electrodes; and an alignment film having an alignment direction, wherein the first electrode has: a plurality of electrode branches each having first and second ends in the first direction; a slit between adjacent two branches; a first connection connecting the first ends; a second connection connecting the second ends; and a contact hole adjacent to second connection, wherein the first electrode has areas including: a main portion; and a bent portion that is adjacent to the contact hole and that includes the second end, the bent portion being bent relative to main portion at an angle not less than 7 degrees with respect to alignment direction, wherein an area ratio of the bent portion relative to entire area of the pixel region is not more than 50%.Type: GrantFiled: June 3, 2019Date of Patent: June 8, 2021Assignee: Japan Display Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
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Patent number: 10996800Abstract: A display device includes a pixel electrode layer in which a plurality of light emitting elements constituting respective pixels are arranged in two dimensions; a touch sensor layer in which a plurality of touch sensor electrodes constituting a touch sensor are arranged in two dimensions; and a touch buffer layer between the pixel electrode layer and the touch sensor layer such that the pixel electrode layer and the touch sensor layer are capacitively coupled to each other, the touch buffer layer being optically transparent and including a base material and hollow particles dispersed in the base material.Type: GrantFiled: October 22, 2019Date of Patent: May 4, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Harumi Okuno, Isao Adachi
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Patent number: 10957880Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.Type: GrantFiled: January 14, 2019Date of Patent: March 23, 2021Assignee: LG Display Co., Ltd.Inventors: Harumi Okuno, Osamu Sato
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Patent number: 10950827Abstract: The present disclosure relates to a coating-type organic electroluminescent device and a display device and a lighting device including the same. The present disclosure relates to an organic electroluminescent device in which an inter-electrode layer and at least one layer of a first electrode and a second electrode can be consistently manufactured at atmospheric pressure. The organic electroluminescent device includes a first electrode, an electron injection layer facing the first electrode, and an emitting material layer located between the first electrode and the electron injection layer, wherein the emitting material layer and the electron injection layer are formable by coating.Type: GrantFiled: August 29, 2019Date of Patent: March 16, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Kazuki Watanabe, Harumi Okuno
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Publication number: 20200125196Abstract: A display device includes a pixel electrode layer in which a plurality of light emitting elements constituting respective pixels are arranged in two dimensions; a touch sensor layer in which a plurality of touch sensor electrodes constituting a touch sensor are arranged in two dimensions; and a touch buffer layer between the pixel electrode layer and the touch sensor layer such that the pixel electrode layer and the touch sensor layer are capacitively coupled to each other, the touch buffer layer being optically transparent and including a base material and hollow particles dispersed in the base material.Type: ApplicationFiled: October 22, 2019Publication date: April 23, 2020Applicant: LG Display Co., Ltd.Inventors: Harumi OKUNO, Isao ADACHI
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Publication number: 20200075901Abstract: The present disclosure relates to a coating-type organic electroluminescent device and a display device and a lighting device including the same. The present disclosure relates to an organic electroluminescent device in which an inter-electrode layer and at least one layer of a first electrode and a second electrode can be consistently manufactured at atmospheric pressure. The organic electroluminescent device includes a first electrode, an electron injection layer facing the first electrode, and an emitting material layer located between the first electrode and the electron injection layer, wherein the emitting material layer and the electron injection layer are formable by coating.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: LG Display Co., Ltd.Inventors: Kazuki WATANABE, Harumi OKUNO
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Publication number: 20190293977Abstract: A liquid crystal panel includes pixels arranged in first and second directions and having a pixel region and including: first and second electrodes; and an alignment film having an alignment direction, wherein the first electrode has: a plurality of electrode branches each having first and second ends in the first direction; a slit between adjacent two branches; a first connection connecting the first ends; a second connection connecting the second ends; and a contact hole adjacent to second connection, wherein the first electrode has areas including: a main portion; and a bent portion that is adjacent to the contact hole and that includes the second end, the bent portion being bent relative to main portion at an angle not less than 7 degrees with respect to alignment direction, wherein an area ratio of the bent portion relative to entire area of the pixel region is not more than 50%.Type: ApplicationFiled: June 3, 2019Publication date: September 26, 2019Inventors: Yoshihiro SAKURAI, Hironao TANAKA, Harumi OKUNO, Takeo KOITO
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Patent number: 10310331Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.Type: GrantFiled: April 17, 2018Date of Patent: June 4, 2019Assignee: Japan Display Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
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Publication number: 20190148678Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.Type: ApplicationFiled: January 14, 2019Publication date: May 16, 2019Inventors: Harumi OKUNO, Osamu SATO
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Patent number: 10217968Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.Type: GrantFiled: December 1, 2016Date of Patent: February 26, 2019Assignee: LG Display Co., Ltd.Inventors: Harumi Okuno, Osamu Sato
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Publication number: 20180231815Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.Type: ApplicationFiled: April 17, 2018Publication date: August 16, 2018Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
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Patent number: 9977287Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.Type: GrantFiled: April 28, 2014Date of Patent: May 22, 2018Assignee: Japan Display Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
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Publication number: 20170317314Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.Type: ApplicationFiled: December 1, 2016Publication date: November 2, 2017Inventors: Harumi OKUNO, Osamu SATO
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Patent number: 9025125Abstract: A display device includes a display section, and a light barrier element. The light barrier element includes a pair of substrates, a liquid crystal layer that is provided between the pair of substrates and has a plurality of sub-regions that transmit or block light, and a plurality of spacers provided between the pair of substrates. The plurality of spacers are randomly arranged in part or all of a region in surfaces of the substrates.Type: GrantFiled: February 23, 2012Date of Patent: May 5, 2015Assignee: Japan Display Inc.Inventors: Yuzo Kanari, Hironao Tanaka, Amane Higashi, Harumi Okuno, Masayuki Ito
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Publication number: 20140232973Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.Type: ApplicationFiled: April 28, 2014Publication date: August 21, 2014Applicant: Japan Display West Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
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Patent number: 8411243Abstract: A display device is provided and includes pixel electrodes, each including a plurality of electrode sections which are arranged parallel to each other. Each electrode section is bent approximately in the middle along its extension direction in plan view. The pixel electrodes include a center connection portion adapted to connect together the electrode sections at their bent portions, and include end connection portions adapted to connect together the electrode sections at their end portions, and include protruding portions each of which is formed by extending the end connection portion in such a manner as to protrude from the arranged electrode sections. The display device also includes a substrate on which the pixel electrodes are arranged, an opposed substrate provided to face the side of the substrate on which the pixel electrodes are formed, and a liquid crystal layer filled and sealed between the substrate and opposed substrate.Type: GrantFiled: March 14, 2012Date of Patent: April 2, 2013Assignee: Sony CorporationInventors: Hironao Tanaka, Yoshihiro Sakurai, Harumi Okuno