Patents by Inventor Yasuyoshi Kaise
Yasuyoshi Kaise 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: 20240402544Abstract: A plurality of pixel electrodes each forming one pixel are provided on a TFT substrate. A size of a pixel electrode located at a boundary portion between a non-rectangular active area and a frame region, which is an area outside the active area, is smaller than a size of a pixel electrode not located at the boundary portion. In such a configuration, a voltage is always applied to the plurality of pixel electrodes.Type: ApplicationFiled: March 21, 2024Publication date: December 5, 2024Inventors: Masahiro IMAI, Yasuyoshi KAISE, Takahiro YAMAGUCHI, Fumikazu SHIMOSHIKIRYOH
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Patent number: 11322523Abstract: To reduce a reduction in the quality of a displayed image in portions corresponding to source lines including detour portions in a display area. Gate lines (20) and source lines (30), which intersect with each other, extend on an insulating substrate (1) so as to detour an opening area (A1). Separated portions (24) are provided as lower shielding electrodes (23) in an inner non-display area (A2) so as to be overlapped with source detour portions (31) of the source lines (30) in a plan view.Type: GrantFiled: June 28, 2018Date of Patent: May 3, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Keiichi Ina, Yasuyoshi Kaise
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Publication number: 20210341804Abstract: A display device includes an array substrate; a counter substrate facing the array substrate; a color filter disposed on the array substrate or the counter substrate, the color filter being composed of a plurality of colored films; a plurality of pixel electrodes disposed on the array substrate and overlapping the plurality of colored films; a common electrode disposed on the array substrate and closer to the counter substrate than the plurality of pixel electrodes are, the common electrode overlapping the plurality of pixel electrodes with an inter-electrode insulating film interposed between the common electrode and the plurality of pixel electrodes; and a conductive light-blocking portion disposed on the array substrate and overlapping at least a color boundary between the plurality of colored films, the conductive light-blocking portion being closer to the counter substrate than the common electrode is, the conductive light-blocking portion being connected to the common electrode.Type: ApplicationFiled: April 22, 2021Publication date: November 4, 2021Inventors: YASUHIRO KUROE, NORIYUKI OHASHI, YASUYOSHI KAISE
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Patent number: 11036106Abstract: A decline in the display quality in portion areas corresponding to source lines that run through an inner non-display area in a display area is reduced. The arrangement of source lines that run through an inner non-display area is changed in an upper change area and a lower change area so that the source lines that are simultaneously driven are not adjacent to each other in a display area and are adjacent to each other in a passage area.Type: GrantFiled: June 28, 2018Date of Patent: June 15, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Yasuyoshi Kaise, Keiichi Ina, Yuhichiroh Murakami, Shige Furuta, Hidekazu Yamanaka
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Publication number: 20210141277Abstract: A decline in the display quality in portion areas corresponding to source lines that run through an inner non-display area in a display area is reduced. The arrangement of source lines that run through an inner non-display area changed in an upper change area and a lower change area so that the source lines that are simultaneously driven are not adjacent to each other in a display area and are adjacent to each other in a passage area.Type: ApplicationFiled: June 28, 2018Publication date: May 13, 2021Inventors: Yasuyoshi KAISE, Keiichi INA, Yuhichiroh MURAKAMI, Shige FURUTA, Hidekazu YAMANAKA
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Patent number: 10928684Abstract: A display device includes a color filter substrate, an array substrate, a liquid crystal layer, a protection layer, and a plurality of main spacers. The color filter substrate includes a display region, a hole frame region, and a hole region. Further, in a thickness direction of the hole region of the color filter, an organic flattening film is present on a surface of the array substrate on the color filter substrate side at parts corresponding to positions of the main spacers.Type: GrantFiled: March 23, 2020Date of Patent: February 23, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Keiichi Ina, Jin Nakamura, Hisashi Nagata, Isao Takahashi, Yasuyoshi Kaise
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Publication number: 20200341308Abstract: An active matrix substrate is provided that is applicable to high-resolution liquid crystal panels, as well as to low-resolution liquid crystal panels, for improved video quality. An active matrix substrate includes: at least one thin film transistor for each subpixel; and light-blocking layers each overlapping a different group of a prescribed number of the thin film transistors, wherein the prescribed number is double the number of thin film transistors per pixel.Type: ApplicationFiled: April 22, 2020Publication date: October 29, 2020Inventor: YASUYOSHI KAISE
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Patent number: 10802316Abstract: The present invention provides a liquid crystal display device which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters a camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). The liquid crystal panel (10A) is configured so that the first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) allowing the light to enter the camera 3 to pass therethrough, has a retardation R1 represented by the following formula: R1=m? (where (i) m is a positive integer and (ii) ? is a wavelength of the light passing through the liquid crystal layer).Type: GrantFiled: April 9, 2019Date of Patent: October 13, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Hisashi Nagata, Yasuyoshi Kaise, Jin Nakamura
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Publication number: 20200310186Abstract: A display device includes a color filter substrate, an array substrate, a liquid crystal layer, a protection layer, and a plurality of main spacers. The color filter substrate includes a display region, a hole frame region, and a hole region. Further, in a thickness direction of the hole region of the color filter, an organic flattening film is present on a surface of the array substrate on the color filter substrate side at parts corresponding to positions of the main spacers.Type: ApplicationFiled: March 23, 2020Publication date: October 1, 2020Inventors: KEIICHI INA, JIN NAKAMURA, HISASHI NAGATA, ISAO TAKAHASHI, YASUYOSHI KAISE
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Publication number: 20200301220Abstract: A display device includes a through-hole passing through a display region, a plurality of signal lines, and a plurality of scanning lines. Each of the plurality of signal lines includes a first straight line portion and a first bypass portion. Each of the plurality of scanning lines is wired in a layer different from a layer of the plurality of signal lines, and includes a second straight line portion and a second bypass portion. The first straight line portion of each signal line and the second bypass portion of each scanning line intersect each other in a plan view, and the first bypass portion of each signal line and the second bypass portion of each scanning line are wired in different regions from each other.Type: ApplicationFiled: March 16, 2020Publication date: September 24, 2020Inventors: Keiichi INA, Yasuyoshi KAISE
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Publication number: 20200168633Abstract: To reduce a reduction in the quality of a displayed image in portions corresponding to source lines including detour portions in a display area. Gate lines (20) and source lines (30), which intersect with each other, extend on an insulating substrate (1) so as to detour an opening area (A1). Separated portions (24) are provided as lower shielding electrodes (23) in an inner non-display area (A2) so as to be overlapped with source detour portions (31) of the source lines (30) in a plan view.Type: ApplicationFiled: June 28, 2018Publication date: May 28, 2020Inventors: KEIICHI INA, YASUYOSHI KAISE
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Publication number: 20200050036Abstract: A display device includes a first substrate, a second substrate disposed opposite the first substrate, pixels arranged in a matrix within a plate surface of the first substrate and the second substrate, a first line disposed on the second substrate and extending in a first direction along the plate surface, a first light blocking section disposed on the first substrate and between the pixels that are next to each other in the first direction and extending in a second direction that is along the plate surface and crosses the first direction, and a second light blocking section disposed on the second substrate and between the pixels that are next to each other in the second direction, extending in the first direction, and overlapping the first line.Type: ApplicationFiled: August 2, 2019Publication date: February 13, 2020Inventors: Keiichi INA, Yasuyoshi KAISE
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Publication number: 20190310524Abstract: The present invention provides a liquid crystal display device and a method of production thereof, each of which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters the camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). Then, the liquid crystal panel (10A) is configured so that (i) a first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) (through which the light to enter the camera (3) passes), has an isotropic refractive index and (ii) the second part of the liquid crystal layer (14), which part is located in the non-camera light transmissive region (S2) (which excludes the camera light transmissive region (S1)), has an anisotropic refractive index.Type: ApplicationFiled: April 10, 2019Publication date: October 10, 2019Inventors: HISASHI NAGATA, YASUYOSHI KAISE, JIN NAKAMURA
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Publication number: 20190310501Abstract: The present invention provides a liquid crystal display device which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters a camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). The liquid crystal panel (10A) is configured so that the first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) allowing the light to enter the camera 3 to pass therethrough, has a retardation R1 represented by the following formula: R1=m? (where (i) m is a positive integer and (ii) ? is a wavelength of the light passing through the liquid crystal layer).Type: ApplicationFiled: April 9, 2019Publication date: October 10, 2019Inventors: HISASHI NAGATA, YASUYOSHI KAISE, JIN NAKAMURA
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Publication number: 20190259347Abstract: A display device includes: an mth scanning signal line to which a plurality of sub pixels are connected; an nth scanning signal line to which a sub pixel is connected, the number of sub pixels which are connected to the nth scanning signal line being lower than the number of sub pixels which are connected to the mth scanning signal line; and a driver circuit which includes a plurality of output circuits and which drives the mth scanning signal line and the nth scanning signal line, an mth one of the plurality of output circuits including an mth output transistor connected to the mth scanning signal line, an nth one of the plurality of output circuits including an nth output transistor connected to the nth scanning signal line, a driving capability of the nth output transistor being lower than that of the mth output transistor.Type: ApplicationFiled: January 3, 2019Publication date: August 22, 2019Inventors: Shige FURUTA, Nami NAGIRA, Hidekazu YAMANAKA, Yasuyoshi KAISE, Takahiro YAMAGUCHI, Kohei HOSOYACHI, Yuhichiroh MURAKAMI
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Publication number: 20190259349Abstract: Luminance unevenness in a display area having an irregular shape is suppressed. A display panel is a display panel in which a cutout is provided, including: a display area in which sub pixels are provided; a non-display zone which is located between the cutout and the display area; a scanning signal line which is provided so as to pass through the display area and the non-display zone; an electric conductor which is at least partially located in the non-display zone; and an insulating film, the scanning signal line being provided so as to overlap with the electric conductor via the insulating film.Type: ApplicationFiled: December 19, 2018Publication date: August 22, 2019Inventors: Yasuyoshi KAISE, Keiichi INA, Yoshimizu MORIYA, Ryohji YAYOTANI, Shige FURUTA, Hidekazu YAMANAKA
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Patent number: 10203562Abstract: A liquid crystal display device according to one aspect of the present invention includes: a liquid crystal layer sandwiched between an element substrate and an opposing substrate; a plurality of spacers; and a Hack matrix provided on a surface on the element substrate side of the opposing substrate and having a first portion that extends in a row direction to separate a plurality of subpixels arranged in a column direction and a second portion that extends in the column direction to separate a plurality of subpixels arranged in the row direction, are included. The first portion is formed by alternately disposing first regions and second regions having a narrower area than the first regions every two subpixels arranged in the row direction. The spacer is disposed in any of the first regions. The spacer in disposed in the first regions. Spacers arranged in odd-numbered rows and spacers arranged in even-numbered rows do not adjoin each other in the column direction.Type: GrantFiled: March 3, 2016Date of Patent: February 12, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Kaori Saitoh, Yasuyoshi Kaise
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Publication number: 20180039120Abstract: A liquid crystal display device according to one aspect of the present invention includes: a liquid crystal layer sandwiched between an element substrate and an opposing substrate; a plurality of spacers; and a Hack matrix provided on a surface on the element substrate side of the opposing substrate and having a first portion that extends in a row direction to separate a plurality of suhpixels arranged in a column direction and a second portion that extends in the column direction to separate a plurality of subpixels arranged in the row direction, are included. The first portion is formed by alternately disposing first regions and second regions having a narrower area than the first regions every two subpixels arranged in the row direction. The spacer is disposed in any of the first regions. The spacer in disposed in the first regions. Spacers arranged in odd-numbered rows and spacers arranged in even-numbered rows do not adjoin each other in the column direction.Type: ApplicationFiled: March 3, 2016Publication date: February 8, 2018Inventors: KAORI SAITOH, YASUYOSHI KAISE
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Patent number: 9632380Abstract: A liquid crystal display device includes a TFT array substrate (first substrate), a counter substrate (second substrate), a liquid crystal layer, and a common electrode (first electrode), an insulating film, and pixel electrodes 21 (second electrode) that are provided on the TFT array substrate. Each of the pixel electrodes 21 has a plurality of linear electrodes 26 and a first connection portion 27. Each of the linear electrodes 26 has a main line portion 29 and a first bent portion 30. An additional capacitance portion 32 is provided integrally with the first connection portion 27 in a region along an arrangement direction of a plurality of first bent portions 30.Type: GrantFiled: September 26, 2013Date of Patent: April 25, 2017Assignee: SHARP KUBUSHIKI KAISHAInventors: Yuki Kawashima, Yasuyoshi Kaise
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Patent number: 9366931Abstract: The present invention aims to provide a liquid crystal display panel having a structure in which a plurality of gate electrodes are arranged on a continuous semiconductor layer and still capable of suppressing increase of a parasitic capacitance between a source region and a drain region. The liquid crystal display panel of the invention includes a thin film transistor. The thin film transistor includes: a base insulating film; a semiconductor layer extending linearly at least from a first portion to a second portion; a source electrode; a drain electrode; and gate electrodes, respectively, to cover the semiconductor layer with a gate insulating film therebetween. A light shielding film is arranged to cover each projection region corresponding to projection of the gate electrode. The light shielding film is arranged in the form of a plurality of light shielding film elements. The light shielding film elements each cover one or more projection regions.Type: GrantFiled: April 18, 2012Date of Patent: June 14, 2016Assignee: SHARP KABUSHIKI KAISHAInventor: Yasuyoshi Kaise