Patents by Inventor Takeshi Koshihara
Takeshi Koshihara 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: 11579517Abstract: An optical module in the present disclosure includes a first image display panel including a first display part and a first coupling part, a second image display panel including a second display part and a second coupling part, a third image display panel including a third display part and a third coupling part, and a cross dichroic prism configured to synthesize first, second, and third image light. The cross dichroic prism has a cross axis at which a two of photosynthesis surfaces cross each other. The first, second, and third image display panel are respectively bonded to different surfaces of the cross dichroic prism in a state where a long side of each of the first, second, and third display part extends along the cross axis and where the first, second, and third coupling part are each positioned on an outer side of the cross dichroic prism.Type: GrantFiled: January 5, 2022Date of Patent: February 14, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Takeshi Koshihara
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Patent number: 11562694Abstract: A pixel circuit 16(n) and a pixel circuit 16(n?1) acquire a data signal from a data line 14. A selector 30(n) supplies the data signal acquired from the pixel circuit 16(n) to a light emitting element selected from the light emitting elements 18(n?1), 18(n), and 18(n+1). A selector 30(n?1) can select at least the light emitting element 18(n?1), and supplies the data signal acquired from the pixel circuit 16(n?1) to the selected destination. In a sub-frame B, the selector 30(n) selects the light emitting elements 18(n) and 18(n+1), and the selector 30(n?1) selects the light emitting element 18(n?1). In a sub-frame A, the selector 30(n) selects the light emitting elements 18(n?1) and 18(n).Type: GrantFiled: September 29, 2021Date of Patent: January 24, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Hitoshi Ota, Takumi Kodama
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Patent number: 11557637Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.Type: GrantFiled: August 29, 2022Date of Patent: January 17, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Ryoichi Nozawa
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Patent number: 11552274Abstract: A display device is provided that includes a substrate, a lens layer including a lens, a light-transmitting layer contacting a lens surface of the lens and having translucency, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The lens is disposed correspondingly to the pixel electrode. A refractive index of a constituent material for the lens is higher than a refractive index of a constituent material for the light-transmitting layer.Type: GrantFiled: May 8, 2020Date of Patent: January 10, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Osamu Yokoyama, Takeshi Koshihara
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Patent number: 11539034Abstract: A display device includes a substrate, a lens layer including a plurality of lenses, and a plurality of pixel electrodes disposed between the substrate and the lens layer. The plurality of pixel electrodes include a first pixel electrode and a second pixel electrode. The plurality of lenses include a first lens disposed correspondingly to the first pixel electrode and a second lens disposed correspondingly to the second pixel electrode. An area of the first pixel electrode in plan view is greater than an area of the second pixel electrode in the plan view. An area of the first lens in the plan view is greater than an area of the second lens.Type: GrantFiled: May 8, 2020Date of Patent: December 27, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Takeshi Koshihara
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Publication number: 20220406866Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.Type: ApplicationFiled: August 29, 2022Publication date: December 22, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi KOSHIHARA, Ryoichi NOZAWA
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Publication number: 20220393082Abstract: There is provided an electro-optical device including a light-emitting layer that has a first light-emitting element and a second light-emitting element which are adjacent to each other and a color filter layer that has a first color filter provided corresponding to the first light-emitting element and a second color filter provided corresponding to the second light-emitting element, in which an inter-element distance between the first light-emitting element and the second light-emitting element is 1.5 ?m or less, and a thickness of layer between the light-emitting layer and the color filter layer is 6 times or less the inter-element distance.Type: ApplicationFiled: August 11, 2022Publication date: December 8, 2022Applicant: SEIKO EPSON CORPORATIONInventor: Takeshi KOSHIHARA
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Publication number: 20220328793Abstract: A first light-emitting element and a second light-emitting element that have a resonance structure that causes output light from a light-emission functional layer to resonate between a reflective layer and a semi-transmissive reflective layer, and a pixel definition layer, and in which an aperture part is formed to correspond to each of the first light-emitting element and the second light-emitting element, are formed on a base. A first interval between the reflective layer and the semi-transmissive reflective layer in the first light-emitting element and a second interval between the reflective layer and the semi-transmissive reflective layer in the second light-emitting element are different, and a film thickness of the pixel definition layer is less than a difference between the first interval and the second interval.Type: ApplicationFiled: June 28, 2022Publication date: October 13, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Ryoichi NOZAWA, Atsushi AMANO, Takeshi KOSHIHARA, Akio FUKASE, Shinichi IWATA
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Publication number: 20220328795Abstract: A display device of the present disclosure includes a substrate, a lens layer including a lens, a light-transmitting layer that contacts a lens surface of the lens, and has translucency, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The lens is disposed so as to correspond to the pixel electrode. A refractive index of a constituent material for the lens is lower than a refractive index of a constituent material for the light-transmitting layer.Type: ApplicationFiled: June 30, 2022Publication date: October 13, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Osamu YOKOYAMA, Takeshi KOSHIHARA, Mitsutaka IDE
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Patent number: 11450792Abstract: There is provided an electro-optical device including a light-emitting layer that has a first light-emitting element and a second light-emitting element which are adjacent to each other and a color filter layer that has a first color filter provided corresponding to the first light-emitting element and a second color filter provided corresponding to the second light-emitting element, in which an inter-element distance between the first light-emitting element and the second light-emitting element is 1.5 ?m or less, and a thickness of layer between the light-emitting layer and the color filter layer is 6 times or less the inter-element distance.Type: GrantFiled: October 28, 2020Date of Patent: September 20, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Takeshi Koshihara
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Publication number: 20220293686Abstract: A display device according to the present disclosure includes a substrate, a lens layer including a lens, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The color filter includes a colored portion that overlaps a part of the pixel electrode in plan view and is disposed between the substrate and the lens layer. The pixel electrode is provided in a display region in which an image is displayed. The lens overlaps a part of the pixel electrode in the plan view. A distance between the center of the pixel electrode and the display center of the display region is shorter than a distance between the center of the lens and the display center in the plan view.Type: ApplicationFiled: May 16, 2022Publication date: September 15, 2022Applicant: SEIKO EPSON CORPORATIONInventor: Takeshi KOSHIHARA
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Patent number: 11444134Abstract: A light-emitting device includes a semi-transmissive reflection layer, a first reflection layer that is disposed in a first sub-pixel, a first pixel electrode that is disposed in the first sub-pixel, a first color filer that is disposed in the first sub-pixel, a second reflection layer that is disposed in a second sub-pixel, a second pixel electrode that is disposed in the second sub-pixel, a second color filter that is disposed in the second sub-pixel, the second color filter that is same color as the first color filter, a light-emitting functional layer, and an insulating layer that is disposed between the first reflection layer and the first pixel electrode, the light-emitting functional layer that is disposed between the second reflection layer and the second pixel electrode. A thickness of the insulating layer in the second sub-pixel is thicker than a thickness of the insulating layer in the first sub-pixel.Type: GrantFiled: July 23, 2020Date of Patent: September 13, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Jun Irobe
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Publication number: 20220278184Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.Type: ApplicationFiled: May 20, 2022Publication date: September 1, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi KOSHIHARA, Ryoichi NOZAWA
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Publication number: 20220252888Abstract: The display device includes the first light-emitting element, a second light-emitting element, a first color filter through which light from the first light-emitting element passes, and a second color filter through which the light from the second light-emitting element passes. The relative positional relationship between the center of the first light-emitting element and the center of the first color filter is different from the relative positional relationship between the center of the second light-emitting element and the center of the second color filter.Type: ApplicationFiled: April 29, 2022Publication date: August 11, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi KOSHIHARA, Hitoshi OTA
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Patent number: 11411205Abstract: A display device of the present disclosure includes a substrate, a lens layer including a lens, a light-transmitting layer that contacts a lens surface of the lens, and has translucency, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The lens is disposed so as to correspond to the pixel electrode. A refractive index of a constituent material for the lens is lower than a refractive index of a constituent material for the light-transmitting layer.Type: GrantFiled: May 8, 2020Date of Patent: August 9, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Osamu Yokoyama, Takeshi Koshihara, Mitsutaka Ide
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Patent number: 11404673Abstract: A first light-emitting element and a second light-emitting element that have a resonance structure that causes output light from a light-emission functional layer to resonate between a reflective layer and a semi-transmissive reflective layer, and a pixel definition layer, and in which an aperture part is formed to correspond to each of the first light-emitting element and the second light-emitting element, are formed on a base. A first interval between the reflective layer and the semi-transmissive reflective layer in the first light-emitting element and a second interval between the reflective layer and the semi-transmissive reflective layer in the second light-emitting element are different, and a film thickness of the pixel definition layer is less than a difference between the first interval and the second interval.Type: GrantFiled: February 11, 2021Date of Patent: August 2, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Ryoichi Nozawa, Atsushi Amano, Takeshi Koshihara, Akio Fukase, Shinichi Iwata
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Patent number: 11374077Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.Type: GrantFiled: June 3, 2020Date of Patent: June 28, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Ryoichi Nozawa
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Patent number: 11362150Abstract: A display device according to the present disclosure includes a substrate, a lens layer including a lens, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The color filter includes a colored portion that overlaps a part of the pixel electrode in plan view and is disposed between the substrate and the lens layer. The pixel electrode is provided in a display region in which an image is displayed. The lens overlaps a part of the pixel electrode in the plan view. A distance between the center of the pixel electrode and the display center of the display region is shorter than a distance between the center of the lens and the display center in the plan view.Type: GrantFiled: May 8, 2020Date of Patent: June 14, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Takeshi Koshihara
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Patent number: 11347064Abstract: The display device includes the first light-emitting element, a second light-emitting element, a first color filter through which light from the first light-emitting element passes, and a second color filter through which the light from the second light-emitting element passes. The relative positional relationship between the center of the first light-emitting element and the center of the first color filter is different from the relative positional relationship between the center of the second light-emitting element and the center of the second color filter.Type: GrantFiled: May 27, 2021Date of Patent: May 31, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Hitoshi Ota
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Patent number: 11342538Abstract: An organic EL display device of the present disclosure includes a substrate, a lens layer including a lens, a light-emitting layer containing an organic light-emitting material, a reflection portion disposed between the substrate and the light-emitting layer, and having light reflecting properties for reflecting light generated in the light-emitting layer, and a reflection transmission portion disposed between the light-emitting layer and the lens layer, and having light reflecting properties and translucency, and moreover causing resonance of light, which is generated in the light-emitting layer, between the reflection portion and the reflection transmission portion.Type: GrantFiled: May 8, 2020Date of Patent: May 24, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Takeshi Koshihara