Patents by Inventor Daisuke Teragawa
Daisuke Teragawa 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: 11880106Abstract: A display device includes a display panel, a backlight, at least one first circuit substrate having at least one first connector, a second circuit substrate having at least one second connector, and at least one flexible flat cable (FFC). By bending at a plurality of bending positions, one of a front face and a back face at a first end of the at least one FFC faces the backlight side and another of the front face and the back face at a second end of the at least one FFC faces the backlight side. The first end is connected to the at least one first connector, and the second end is connected to the at least one second connector.Type: GrantFiled: March 23, 2023Date of Patent: January 23, 2024Assignee: Sharp Display Technology CorporationInventors: Tomoo Sasaki, Daisuke Teragawa, Tomohiro Asamizu
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Patent number: 11874557Abstract: A reflective sheet is attached to a front face of a light source substrate so as to cover a head portion of a fixing member, a bridge across the head portion of the fixing member is formed by providing a slit in the reflective sheet, and the bridge is disposed so as to pass through a central portion of a region surrounded by four light sources around the head portion of the fixing member.Type: GrantFiled: May 29, 2023Date of Patent: January 16, 2024Assignee: Sharp Display Technology CorporationInventor: Daisuke Teragawa
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Publication number: 20230384637Abstract: A reflective sheet is attached to a front face of a light source substrate so as to cover a head portion of a fixing member, a bridge across the head portion of the fixing member is formed by providing a slit in the reflective sheet, and the bridge is disposed so as to pass through a central portion of a region surrounded by four light sources around the head portion of the fixing member.Type: ApplicationFiled: May 29, 2023Publication date: November 30, 2023Inventor: Daisuke TERAGAWA
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Publication number: 20230305334Abstract: A display device includes a display panel, a backlight, at least one first circuit substrate having at least one first connector, a second circuit substrate having at least one second connector, and at least one flexible flat cable (FFC). By bending at a plurality of bending positions, one of a front face and a back face at a first end of the at least one FFC faces the backlight side and another of the front face and the back face at a second end of the at least one FFC faces the backlight side. The first end is connected to the at least one first connector, and the second end is connected to the at least one second connector.Type: ApplicationFiled: March 23, 2023Publication date: September 28, 2023Inventors: Tomoo SASAKI, Daisuke TERAGAWA, Tomohiro ASAMIZU
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Patent number: 11726357Abstract: A liquid crystal display apparatus includes: a display panel having a display region and a peripheral region; a front cover; a first buffer member; a panel holder; and a second buffer member. The peripheral region includes four corner portions and four central portions. At least one buffer member of the first buffer member and the second buffer member includes a plurality of cushion members and at least one resin sheet. The at least one buffer member does not include a cushion member formed of a resin between the four corner portions and the front cover or between the four corner portions and the panel holder.Type: GrantFiled: June 14, 2022Date of Patent: August 15, 2023Assignee: SHARP KABUSHIKI KAISHAInventor: Daisuke Teragawa
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Publication number: 20220404658Abstract: A liquid crystal display apparatus includes: a display panel having a display region and a peripheral region; a front cover; a first buffer member; a panel holder; and a second buffer member. The peripheral region includes four corner portions and four central portions. At least one buffer member of the first buffer member and the second buffer member includes a plurality of cushion members and at least one resin sheet. The at least one buffer member does not include a cushion member formed of a resin between the four corner portions and the front cover or between the four corner portions and the panel holder.Type: ApplicationFiled: June 14, 2022Publication date: December 22, 2022Inventor: Daisuke TERAGAWA
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Patent number: 11474389Abstract: A display panel according to an embodiment of the present invention is a display panel having a display region including a plurality of pixels arrayed along a first direction and along a second direction which is different from the first direction, the display panel including a first substrate and a second substrate opposing each other, the first substrate and the second substrate being curved along the first direction. The first substrate has a color filter layer that includes: a plurality of color filters provided respectively corresponding to the plurality of pixels; and a black matrix having a plurality of light shielding portions disposed between adjacent color filters adjoining along the first direction. The second substrate includes a plurality of pixel electrodes respectively included in the plurality of pixels.Type: GrantFiled: July 22, 2019Date of Patent: October 18, 2022Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Tomohiro Asamizu, Daisuke Teragawa
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Patent number: 11054693Abstract: An illuminating device (200) according to the present invention is provided with: a substrate (4) having a surface, on which a plurality of light sources (3) are mounted; a housing (12), in which an opening is defined; a diffusion plate (9) that is disposed facing a bottom plate section (50) so as to close the opening; a duct (14) having an air inlet (23) and an air outlet (24); a fan (15) that generates an airflow in the duct (14); a first flow channel (P1); and a second flow channel (P2). The first flow channel (P1) communicates a space inside of the housing (12) closed by the diffusion plate (9) with the inside of the duct (14). The housing (12) is connected to, via a first opening (55) that is provided at the bottom plate section (50) or a side plate section (52), a venturi section (140) that is formed between the air inlet (23) and the air outlet (24) of the duct (14).Type: GrantFiled: March 29, 2017Date of Patent: July 6, 2021Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventor: Daisuke Teragawa
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Publication number: 20200409219Abstract: A display apparatus includes a light source, a diffusion plate, a display panel, and a scattering member. The light source emits light. The diffusion plate diffuses the light emitted from the light source. The display panel has a display area. The diffusion plate and the display panel are spaced away. The scattering member is located between the display panel and the diffusion plate with the scattering member located nearer the diffusion plate than the display panel. The diffusion plate has a first incidence surface and a first exit surface. The first incidence surface allows the light emitted from the light source to be incident thereon. The first exit surface is smaller than the display area. The diffusion plate allows the light entered from the first incidence surface to exit from the first exit surface with the light diffused. The scattering member allows the light exited from the first exit surface to pass therethrough with the light passing therethrough scattered.Type: ApplicationFiled: June 2, 2020Publication date: December 31, 2020Inventors: DAISUKE TERAGAWA, TOMOHIRO ASAMIZU, NORIAKI MIYOSHI
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Patent number: 10712612Abstract: To provide a display device whereby luminance distribution uniformity within a display surface can be improved. A display device of the present invention is provided with: a rectangular display panel, one surface of which displays an image; a substrate, which is disposed to face the other surface of the display panel, said the other surface being on the reverse side of the one surface, and on which a plurality of light sources are mounted; a diffuser plate disposed between the display panel and the substrate; and a supporting member, which has an opening, which light emitted from the light sources passes through, and which supports the peripheral end of the diffuser plate. The display device is also provided with reflecting members, which are respectively provided at the peripheries of the light sources close to four corner portions of the display panel, and which reflect light diffused by the diffuser plate to the corner portions of the display panel.Type: GrantFiled: February 22, 2016Date of Patent: July 14, 2020Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Daisuke Teragawa, Noriaki Miyoshi, Tomohiro Asamizu
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Publication number: 20200133076Abstract: To provide a display device whereby luminance distribution uniformity within a display surface can be improved. A display device of the present invention is provided with: a rectangular display panel, one surface of which displays an image; a substrate, which is disposed to face the other surface of the display panel, said the other surface being on the reverse side of the one surface, and on which a plurality of light sources are mounted; a diffuser plate disposed between the display panel and the substrate; and a supporting member, which has an opening, which light emitted from the light sources passes through, and which supports the peripheral end of the diffuser plate. The display device is also provided with reflecting members, which are respectively provided at the peripheries of the light sources close to four corner portions of the display panel, and which reflect light diffused by the diffuser plate to the corner portions of the display panel.Type: ApplicationFiled: February 22, 2016Publication date: April 30, 2020Inventors: DAISUKE TERAGAWA, NORIAKI MIYOSHI, TOMOHIRO ASAMIZU
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Patent number: 10634950Abstract: A back light (200) is provided with: a back chassis (7) that has a bottom plate (40) in which a plurality of through-holes (41) are formed; a substrate (3) that has a surface on which a plurality of LEDs (2) are mounted and that is held by the bottom plate (40) outside a casing (13) so that the optical axes of the LEDs (2) overlap the respective through-holes (41); and a light transmissive plate-like member (6) that is superimposed on the bottom plate (40) from the inside of the casing (13) so as to close the through-holes (41). Thus, provided is an illumination apparatus (200) in which temperature increase inside the casing (13) is suppressed.Type: GrantFiled: October 24, 2016Date of Patent: April 28, 2020Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventor: Daisuke Teragawa
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Publication number: 20200096797Abstract: An illuminating device (200) according to the present invention is provided with: a substrate (4) having a surface, on which a plurality of light sources (3) are mounted; a housing (12), in which an opening is defined; a diffusion plate (9) that is disposed facing a bottom plate section (50) so as to close the opening; a duct (14) having an air inlet (23) and an air outlet (24); a fan (15) that generates an airflow in the duct (14); a first flow channel (P1); and a second flow channel (P2). The first flow channel (P1) communicates a space inside of the housing (12) closed by the diffusion plate (9) with the inside of the duct (14). The housing (12) is connected to, via a first opening (55) that is provided at the bottom plate section (50) or a side plate section (52), a venturi section (140) that is formed between the air inlet (23) and the air outlet (24) of the duct (14).Type: ApplicationFiled: March 29, 2017Publication date: March 26, 2020Inventor: DAISUKE TERAGAWA
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Publication number: 20200041834Abstract: A display panel according to an embodiment of the present invention is a display panel which has a display region including a plurality of pixels arrayed along a first direction and along a second direction which is different from the first direction, the display panel including a first substrate and a second substrate opposing each other, the first substrate and the second substrate are curved along the first direction. The display region includes a central portion including a center of the display region along the first direction and, on both sides of the central portion along the first direction, two end portions that are located adjacent to the central portion. The first substrate includes a plurality of pixel electrodes provided respectively corresponding to the plurality of pixels. The second substrate has a color filter layer that includes: a plurality of color filters provided respectively corresponding to the plurality of pixels; and a black matrix.Type: ApplicationFiled: July 8, 2019Publication date: February 6, 2020Inventors: DAISUKE TERAGAWA, TOMOHIRO ASAMIZU
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Publication number: 20200041835Abstract: A display panel according to an embodiment of the present invention is a display panel having a display region including a plurality of pixels arrayed along a first direction and along a second direction which is different from the first direction, the display panel including a first substrate and a second substrate opposing each other, the first substrate and the second substrate being curved along the first direction. The first substrate has a color filter layer that includes: a plurality of color filters provided respectively corresponding to the plurality of pixels; and a black matrix having a plurality of light shielding portions disposed between adjacent color filters adjoining along the first direction. The second substrate includes a plurality of pixel electrodes respectively included in the plurality of pixels.Type: ApplicationFiled: July 22, 2019Publication date: February 6, 2020Inventors: Tomohiro Asamizu, Daisuke Teragawa
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Patent number: 10481430Abstract: Provided is a display device that makes it possible to enhance the uniformity of brightness distribution with a display surface. The display device is provided with: a display panel having one surface on which an image is displayed; a substrate that is arranged facing the other surface of the display panel and that has a plurality of light sources mounted thereon; a rectangular diffuser plate arranged between the display panel and the substrate; and two support members that comprises an opening through which light from the light sources passes and that support the diffuser plate by sandwiching the peripheral edge of the diffuser plate from the display panel side and the substrate side. Light-transmitting sections through which light that has passed through the diffuser plate passes are provided to the four corners of the support member on the display panel side.Type: GrantFiled: December 17, 2015Date of Patent: November 19, 2019Assignee: Sakai Display Products CorporationInventors: Tomohiro Asamizu, Daisuke Teragawa, Noriaki Miyoshi
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Patent number: 10451922Abstract: A lighting device has a housing having a bottom part and an opening, the bottom part being formed with through holes, and a substrate having light sources mounted on one surface thereof, the substrate being placed outside of the bottom part of the housing such that light emitted from the light sources is passed through the respective through holes and radiated to the opening of the housing. The lighting device also has light guide parts, each of which has a cylindrical shape, inserted through the through holes of the bottom part of the housing for guiding the light emitted from the light sources, respectively, and diffusion lenses provided inside of the housing for diffusing the light guided by the light guide parts, respectively. Each of the light guide parts is hollow and configured to reflect the light by an inner surface thereof so as to guide reflected light to an associated diffusion lens.Type: GrantFiled: June 8, 2017Date of Patent: October 22, 2019Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventor: Daisuke Teragawa
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Patent number: 10451923Abstract: Provided is a display device wherein the uniformity of luminance distribution on a display surface can be improved. The display device includes: a rectangular display panel on one surface of which an image is displayed; a substrate disposed to face the other surface of the display panel opposite to the one surface, and having a plurality of light sources mounted thereon; a diffuser disposed between the display panel and the substrate; and a supporting member supporting the peripheral edge of the diffuser, and having an opening through which light from the light sources passes. The display device further includes a reflecting member provided around each of the light sources close to the four corners of the display panel, and reflecting the light from the light sources toward the corners.Type: GrantFiled: February 8, 2016Date of Patent: October 22, 2019Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Daisuke Teragawa, Noriaki Miyoshi, Tomohiro Asamizu
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Publication number: 20190310515Abstract: A back light (200) is provided with: a back chassis (7) that has a bottom plate (40) in which a plurality of through-holes (41) are formed; a substrate (3) that has a surface on which a plurality of LEDs (2) are mounted and that is held by the bottom plate (40) outside a casing (13) so that the optical axes of the LEDs (2) overlap the respective through-holes (41); and a light transmissive plate-like member (6) that is superimposed on the bottom plate (40) from the inside of the casing (13) so as to close the through-holes (41). Thus, provided is an illumination apparatus (200) in which temperature increase inside the casing (13) is suppressed.Type: ApplicationFiled: October 24, 2016Publication date: October 10, 2019Inventor: DAISUKE TERAGAWA
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Patent number: 10317729Abstract: Provided is a display device that makes it possible to enhance the uniformity of brightness distribution within a display surface. The display apparatus is provided with: a display panel having one surface on which an image is displayed; a substrate that is arranged facing the other surface of the display panel and that has a plurality of light sources mounted thereon; a rectangular diffuser plate arranged between the display panel and the substrate; and a support member that supports the peripheral edge of the diffuser plate and that comprises an opening through which light from the light sources passes. Notched sections notched to positions further inward than the edge of the opening in the support member are provided to the four corners of the diffuser plate.Type: GrantFiled: December 18, 2015Date of Patent: June 11, 2019Assignee: Sakai Display Products CorporationInventors: Tomohiro Asamizu, Daisuke Teragawa, Noriaki Miyoshi