Patents by Inventor Mitsuru Ikezaki
Mitsuru Ikezaki 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: 8860911Abstract: An image display device, includes a light and an array substrate having a plurality of sub-pixel areas and corresponding to a plurality of color filters. A liquid crystal layer includes a plurality of liquid crystal molecules, wherein the liquid crystal molecules corresponding to different color filters have different derangements, and a light transmittance per unit area in the peripheral region of the array substrate is equal to or less than a light transmittance per unit area in the display region of the array substrate.Type: GrantFiled: June 13, 2013Date of Patent: October 14, 2014Assignee: Innolux CorporationInventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Patent number: 8848153Abstract: An image display device includes a light source, an array substrate having a plurality of sub-pixel areas and corresponding to a plurality of color filters, wherein the array substrate includes: a display region and a peripheral region around the display region; and a liquid crystal layer comprising a plurality of liquid crystal molecules. A light transmittance per unit area in the peripheral region of the array substrate is equal to or less than a light transmittance per unit area in the display region of the array substrate, and a resistivity ratio of the color filter having a highest resistivity to the color filter having a lowest resistivity is less than 10 and greater than 0.Type: GrantFiled: June 13, 2013Date of Patent: September 30, 2014Assignee: Innolux CorporationInventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20130300990Abstract: An image display device includes a light source, an array substrate comprising a display region and a peripheral region around the display region, wherein the array substrate includes a first light-shielding wiring layout arranged in the display region of the array substrate, and a second light-shielding wiring layout arranged in the peripheral region of the array substrate. The image display device further includes an opposite substrate disposed on the array substrate, and a liquid crystal layer comprising a plurality of liquid crystal molecules and disposed between the array substrate and the opposite substrate.Type: ApplicationFiled: July 5, 2013Publication date: November 14, 2013Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20130293813Abstract: An image display device includes a light source, an array substrate having a display region and a peripheral region around the display region, wherein the array substrate includes a first light-shielding wiring layout arranged in the display region of the array substrate, and a second light-shielding wiring layout arranged in the peripheral region of the array substrate, an occupied area per unit area of the second light-shielding wiring layout in the peripheral region being equal to or greater than an occupied area per unit area of the first light-shielding wiring layout in the display region. The image display device further includes an opposite substrate disposed on the array substrate, and a liquid crystal layer comprising a plurality of liquid crystal molecules and disposed between the array substrate and the opposite substrate.Type: ApplicationFiled: July 5, 2013Publication date: November 7, 2013Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20130271709Abstract: An image display device, includes a light and an array substrate having a plurality of sub-pixel areas and corresponding to a plurality of color filters. A liquid crystal layer includes a plurality of liquid crystal molecules, wherein the liquid crystal molecules corresponding to different color filters have different derangements, and a light transmittance per unit area in the peripheral region of the array substrate is equal to or less than a light transmittance per unit area in the display region of the array substrate.Type: ApplicationFiled: June 13, 2013Publication date: October 17, 2013Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20130271708Abstract: An image display device includes a light source, an array substrate having a plurality of sub-pixel areas and corresponding to a plurality of color filters, wherein the array substrate includes: a display region and a peripheral region around the display region; and a liquid crystal layer comprising a plurality of liquid crystal molecules. A light transmittance per unit area in the peripheral region of the array substrate is equal to or less than a light transmittance per unit area in the display region of the array substrate, and a resistivity ratio of the color filter having a highest resistivity to the color filter having a lowest resistivity is less than 10 and greater than 0.Type: ApplicationFiled: June 13, 2013Publication date: October 17, 2013Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Patent number: 8488083Abstract: An image display device, particularly an IPS mode LCD, includes a light source, an array substrate including a display region and a peripheral region around the display region, a color filter substrate including a plurality of color filters having different transmissivities, a liquid crystal layer including a plurality of liquid crystal molecules, and an alignment film for aligning the liquid crystal molecules. Characteristically, a light transmittance per unit area in the peripheral region is equivalent to or less than a light transmittance per unit area in the display region.Type: GrantFiled: December 7, 2004Date of Patent: July 16, 2013Assignee: Chimei Innolux CorporationInventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20070046883Abstract: The invention relates to an in-plane-switching liquid crystal display for large pixel type scarcely producing defects and easily repairing defects. The in-plane-switching liquid crystal display 10 of the invention comprises a plurality of pads 34, and each pad connects to a pixel electrode 42. Besides, each pixel electrode 42 is surrounded by the common electrode 48. When the pixels enlarge, the defects scarcely occur. Even if the defect occurs, the defect can be easily repaired.Type: ApplicationFiled: October 31, 2006Publication date: March 1, 2007Inventors: Hidehisa Shimizu, Mitsuru Ikezaki, Kaoru Kusafuka
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Patent number: 7180564Abstract: The invention relates to an in-plane-switching liquid crystal display for large pixel type scarcely producing defects and easily repairing defects. The in-plane-switching liquid crystal display 10 of the invention comprises a plurality of pads 34, and each pad connects to a pixel electrode 42. Besides, each pixel electrode 42 is surrounded by the common electrode 48. When the pixels enlarge, the defects scarcely occur. Even if the defect occurs, the defect can be easily repaired.Type: GrantFiled: September 3, 2004Date of Patent: February 20, 2007Assignee: Chi Mei Optoelectronics Corp.Inventors: Hidehisa Shimizu, Mitsuru Ikezaki, Kaoru Kusafuka
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Patent number: 7110076Abstract: A liquid crystal display device includes a planarizing layer; a common electrode on the planarizing layer; a pixel electrode on the planarizing layer; a liquid crystal layer; a data line; and a color filter layer. An electric field is generated between the pixel electrode and the common electrode. The liquid crystal layer covers the common electrode and the pixel electrode. The color filter layer includes a first filter and a second filter in contact with the first filter. The first filter transmits a light, of a first wavelength, that passes through the pixel electrode. The second filter transmits a light, of a second wavelength, that passes through the other pixel electrode next to the pixel electrode.Type: GrantFiled: November 10, 2003Date of Patent: September 19, 2006Assignee: Chi Mei Optoelectronics Corp.Inventors: Hidehisa Shimizu, Mitsuru Ikezaki, Kaoru Kusafuka
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Patent number: 7002655Abstract: An image display apparatus comprises a pixel electrode, a common electrode, and a switching element to control an electric potential supplied to the pixel electrode. In addition, an auxiliary electrode forms an auxiliary capacitance between a portion of the auxiliary electrode and a portion of the pixel electrode. The common electrode is adapted to be set at a first electric potential, and the auxiliary electrode is adapted to be set at a second, different electric potential.Type: GrantFiled: October 31, 2003Date of Patent: February 21, 2006Assignee: Chi Mei Optoelectronics Corp.Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20060017867Abstract: An image display device, particularly an IPS mode LCD, includes a light source, an array substrate including a display region and a peripheral region around the display region, a color filter substrate including a plurality of color filters having different transmissivities, a liquid crystal layer including a plurality of liquid crystal molecules, and an alignment film for aligning the liquid crystal molecules. Characteristically, a light transmittance per unit area in the peripheral region is equivalent to or less than a light transmittance per unit area in the display region.Type: ApplicationFiled: December 7, 2004Publication date: January 26, 2006Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20050099567Abstract: The invention relates to an in-plane-switching liquid crystal display for large pixel type scarcely producing defects and easily repairing defects. The in-plane-switching liquid crystal display 10 of the invention comprises a plurality of pads 34, and each pad connects to a pixel electrode 42. Besides, each pixel electrode 42 is surrounded by the common electrode 48. When the pixels enlarge, the defects scarcely occur. Even if the defect occurs, the defect can be easily repaired.Type: ApplicationFiled: September 3, 2004Publication date: May 12, 2005Inventors: Hidehisa Shimizu, Mitsuru Ikezaki, Kaoru Kusafuka
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Patent number: 6888600Abstract: In each pixel region of a liquid crystal panel of an in plane switching mode, a pixel electrode is made to have a two-layer structure composed of a lower pixel electrode located in the same layer as a signal line and of an upper pixel electrode located in the same layer as a common electrode. Moreover, an electrode portion of the lower pixel electrode is made closer to the signal line than the upper pixel electrode. Furthermore, the signal line, a gate line and the common electrode are arranged in an overlapped manner.Type: GrantFiled: August 27, 2001Date of Patent: May 3, 2005Assignee: International Business Machines CorporationInventors: Hidehisa Shimizu, Kaoru Kusafuka, Mitsuru Ikezaki, Asao Terukina
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Publication number: 20040160562Abstract: An image display apparatus comprises a pixel electrode, a common electrode, and a switching element to control an electric potential supplied to the pixel electrode. In addition, an auxiliary electrode forms an auxiliary capacitance between a portion of the auxiliary electrode and a portion of the pixel electrode. The common electrode is adapted to be set at a first electric potential, and the auxiliary electrode is adapted to be set at a second, different electric potential.Type: ApplicationFiled: October 31, 2003Publication date: August 19, 2004Inventors: Kaoru Kusafuka, Mitsuru Ikezaki
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Publication number: 20040150768Abstract: A liquid crystal display device includes a planarizing layer; a common electrode on the planarizing layer; a pixel electrode on the planarizing layer; a liquid crystal layer; a data line; and a color filter layer. An electric field is generated between the pixel electrode and the common electrode. The liquid crystal layer covers the common electrode and the pixel electrode. The color filter layer includes a first filter and a second filter in contact with the first filter. The first filter transmits a light, of a first wavelength, that passes through the pixel electrode. The second filter transmits a light, of a second wavelength, that passes through the other pixel electrode next to the pixel electrode.Type: ApplicationFiled: November 10, 2003Publication date: August 5, 2004Applicant: CHI MEI OPTOELECTRONICS CORP.Inventors: Hidehisa Shimizu, Mitsuru Ikezaki, Kaoru Kusafuka
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Patent number: 6624868Abstract: A liquid crystal display structure, includes a glass substrate and at least one or more chips mounted on the glass substrate including flexible printed circuit connect pins. A common wiring for connecting the at least one or more chips to a flexible printed circuit is formed on the glass substrate. The common wiring is connected to the flexible printed circuit connect pins of the at least one or more chips and to the flexible printed circuit at at least one position on the common wiring.Type: GrantFiled: February 14, 2000Date of Patent: September 23, 2003Assignee: International Business Machines CorporationInventors: Asao Terukina, Katsurou Hayashi, Yoshiharu Fujii, Mitsuru Ikezaki, Mikio Kurihara, Fumitoshi Kiyooka, Hideo Iiyori
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Patent number: 6606141Abstract: Disclosed is a manufacturing method of a liquid crystal display device that prevents luminance change in a sub-pixel where exposed portions overlap each other. A substrate is dividedly exposed in patterning a TFT array substrate of a liquid crystal display device. In an exposure process of using a resist, the substrate is divided into a plurality of divided regions. The portion subjected to a double exposure is set in a nonlinear manner within the sub-pixel. By providing such an arrangement, the portion subjected to double exposure is set so as not to overlap a storage capacitor or a signal line.Type: GrantFiled: September 20, 2001Date of Patent: August 12, 2003Assignee: International Business Machines CorporationInventors: Shinji Takasugi, Mitsuru Ikezaki
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Patent number: 6473077Abstract: To prevent the display image from becoming unclear due to an overlap of the afterimage of the display image of the preceding frame period with the display image of the current frame period so that the image quality of the motion picture may be improved, a display apparatus includes a display surface having a plurality of pixel lines and a write circuit adapted to sequentially write an image into each of said plurality of pixel lines. The write circuit writes, during a time period for writing said image into at least one pixel line, a black color into another pixel line. The another pixel line is separated from the at least one pixel line by a predetermined distance. The write circuit writes the black color into a plurality of pixel lines separated from the at least one gate line by the predetermined distance.Type: GrantFiled: September 15, 1999Date of Patent: October 29, 2002Assignee: International Business Machines CorporationInventors: Atsushi Takenaka, Mitsuru Ikezaki
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Publication number: 20020036725Abstract: Disclosed is a manufacturing method of a liquid crystal display device that prevents luminance change in a sub-pixel where exposed portions overlap each other. A substrate is dividedly exposed in patterning a TFT array substrate of a liquid crystal display device. In an exposure process of using a resist, the substrate is divided into a plurality of divided regions. The portion subjected to a double exposure is set in a nonlinear manner within the sub-pixel. By providing such an arrangement, the portion subjected to double exposure is set so as not to overlap a storage capacitor or a signal line.Type: ApplicationFiled: September 20, 2001Publication date: March 28, 2002Applicant: IBMInventors: Shinji Takasugi, Mitsuru Ikezaki