Patents by Inventor Ryuichiro Isobe
Ryuichiro Isobe 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).
-
Patent number: 8570254Abstract: Provided is a display apparatus, in which a deterioration of a display device in an icon display region is reduced to lower the occurrence of burn-in. The display apparatus includes multiple pixels each including sub-pixels of red, green, blue and white, which are arranged in matrix and a color operation circuit for converting an image signal into a driving signal for the sub-pixels, in which each of the sub pixels includes an electroluminescence device and the color operation circuit adjusts a luminance ratio between the sub-pixels of red, green and blue and the sub-pixel of white based on a display region.Type: GrantFiled: August 27, 2008Date of Patent: October 29, 2013Assignee: Canon Kabushiki KaishaInventor: Ryuichiro Isobe
-
Patent number: 8491139Abstract: A member configured to absorb a predetermined wavelength range for light having an incident angle is located on the first electrode side of a light emitting device and settings are made so that the hue of light emitted in a direction having an angle with respect to the front becomes yellow when the light emitting device emits white light.Type: GrantFiled: May 27, 2009Date of Patent: July 23, 2013Assignee: Canon Kabushiki KaishaInventors: Noriyuki Shikina, Ryuichiro Isobe, Hiroyuki Kitayama
-
Patent number: 8184134Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.Type: GrantFiled: October 21, 2008Date of Patent: May 22, 2012Assignee: Canon Kabushiki KaishaInventors: Yasufumi Asao, Hideo Mori, Kohei Nagayama, Hironao Tanaka, Ryuichiro Isobe
-
Publication number: 20120104368Abstract: In a display apparatus in which a plurality of pixel units including a plurality of pixels whose emission colors are different are arranged and white is displayable by the pixel unit, the pixel includes an organic EL device, and lenses are provided in the pixel unit to minimize a difference of currents supplied to the organic EL devices for respective emission colors when white of desired luminance is displayed.Type: ApplicationFiled: October 17, 2011Publication date: May 3, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Ryuichiro Isobe, Toshinori Hasegawa, Yojiro Matsuda
-
Patent number: 8159117Abstract: There are provided a display apparatus that can display an image having higher resolution feeling while solving the problem of patterning precision for sub pixels which is difficult to obtain in production, and a production method thereof.Type: GrantFiled: January 29, 2008Date of Patent: April 17, 2012Assignee: Canon Kabushiki KaishaInventors: Tetsuya Karaki, Hideo Mori, Ryuichiro Isobe
-
Patent number: 8134582Abstract: A color display apparatus is of the type wherein a unit pixel is constituted by at least three subpixels including first to third subpixels, and at each subpixel, a medium for changing an optical property depending on a voltage applied thereto is disposed. The color display apparatus includes means for applying a voltage, to each of the first to third subpixels, for changing the optical property of the medium within a brightness change range in which light passing through the medium is changed in brightness and a hue change range in which the light passing through the medium assumes chromatic color and a hue of the chromatic color is changed while including combinations of red and green, red and blue, and green and blue for the first to third subpixels, respectively.Type: GrantFiled: May 13, 2005Date of Patent: March 13, 2012Assignee: Canon Kabushiki KaishaInventors: Yasufumi Asao, Kohei Nagayama, Ryuichiro Isobe, Hideo Mori, Hironao Tanaka, Hiroshi Matsuda
-
Publication number: 20110248976Abstract: A display apparatus which achieves high definition and has excellent resolution that the human eye feels is provided. In the display apparatus which comprises a display region on which a plurality of display devices are arranged in a matrix, the plurality of display devices include a first display device, a second display device and a third display device, and are arranged in order of the first display device, the second display device, the third display device, the third display device, the second display device and the first display device in a first direction, luminescent colors of the first display device, the second display device and the third display device are different from others, and the display apparatus comprises a low-pass filter circuit configured to modulate an image signal to be input to the display region.Type: ApplicationFiled: April 1, 2011Publication date: October 13, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Ryuichiro Isobe, Noriyuki Kaifu
-
Patent number: 7928640Abstract: A display apparatus includes a substrate; a plurality of pixels arranged above the substrate, each including a plurality of sub-pixels emitting light of different colors; a circularly polarizing member disposed above the pixels, the transmittance of light of a selected color through the circularly polarizing member being higher than that of light of the other colors therethrough; and a light-absorbing member disposed only above the sub-pixels, emitting light of the non-selected colors. The light-absorbing member absorbs light of the selected color.Type: GrantFiled: November 17, 2009Date of Patent: April 19, 2011Assignee: Canon Kabushiki KaishaInventors: Koichi Fukuda, Ryuichiro Isobe
-
Publication number: 20110075079Abstract: A driving circuit of a liquid crystal element is simplified, both an improvement in light emission efficiency and a reduction in external light reflection are attained, and a cost reduction is realized.Type: ApplicationFiled: August 26, 2010Publication date: March 31, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Noriyuki Shikina, Ryuichiro Isobe
-
Patent number: 7868544Abstract: Provided is a display apparatus capable of reducing external light reflection to reduce an amount of glare of the outside, in which a translucent protection member is provided to cover an observation surface side of a display member including an organic EL light-emitting portion, in order to protect the display member. The display apparatus includes the display member with an organic EL light-emitting portion having a pair of electrodes and an organic compound layer provided between the pair of electrodes; and a casing for housing the display member, wherein a protection member is provided in the casing with a gap from the display member, and wherein a phase member and a polarizing member are formed on the protection member such that the polarizing member is located closer to a light extraction side than the phase member.Type: GrantFiled: April 16, 2009Date of Patent: January 11, 2011Assignee: Canon Kabushiki KaishaInventors: Ryuichiro Isobe, Hideo Mori, Osamu Yuuki, Tatsuyuki Tokunaga, Hidemasa Mizutani
-
Publication number: 20100194671Abstract: Provided is a display apparatus, in which a deterioration of a display device in an icon display region is reduced to lower the occurrence of burn-in. The display apparatus includes multiple pixels each including sub-pixels of red, green, blue and white, which are arranged in matrix and a color operation circuit for converting an image signal into a driving signal for the sub-pixels, in which each of the sub pixels includes an electroluminescence device and the color operation circuit adjusts a luminance ratio between the sub-pixels of red, green and blue and the sub-pixel of white based on a display region.Type: ApplicationFiled: August 27, 2008Publication date: August 5, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Ryuichiro Isobe
-
Publication number: 20100060156Abstract: A display apparatus includes a substrate; a plurality of pixels arranged above the substrate, each including a plurality of sub-pixels emitting light of different colors; a circularly polarizing member disposed above the pixels, the transmittance of light of a selected color through the circularly polarizing member being higher than that of light of the other colors therethrough; and a light-absorbing member disposed only above the sub-pixels, emitting light of the non-selected colors. The light-absorbing member absorbs light of the selected color.Type: ApplicationFiled: November 17, 2009Publication date: March 11, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Koichi Fukuda, Ryuichiro Isobe
-
Patent number: 7671528Abstract: A display apparatus includes a substrate; a plurality of pixels arranged above the substrate, each including a plurality of sub-pixels emitting light of different colors; a circularly polarizing member disposed above the pixels, the transmittance of light of a selected color through the circularly polarizing member being higher than that of light of the other colors therethrough; and a light-absorbing member disposed only above the sub-pixels, emitting light of the non-selected colors. The light-absorbing member absorbs light of the selected color.Type: GrantFiled: March 20, 2007Date of Patent: March 2, 2010Assignee: Canon Kabuhsiki KaishaInventors: Koichi Fukuda, Ryuichiro Isobe
-
Publication number: 20100039011Abstract: There are provided a display apparatus that can display an image having higher resolution feeling while solving the problem of patterning precision for sub pixels which is difficult to obtain in production, and a production method thereof.Type: ApplicationFiled: January 29, 2008Publication date: February 18, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Tetsuya Karaki, Hideo Mori, Ryuichiro Isobe
-
Publication number: 20090296366Abstract: A member configured to absorb a predetermined wavelength range for light having an incident angle is located on the first electrode side of a light emitting device and settings are made so that the hue of light emitted in a direction having an angle with respect to the front becomes yellow when the light emitting device emits white light.Type: ApplicationFiled: May 27, 2009Publication date: December 3, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Noriyuki Shikina, Ryuichiro Isobe, Hiroyuki Kitayama
-
Publication number: 20090200934Abstract: Provided is a display apparatus capable of reducing external light reflection to reduce an amount of glare of the outside, in which a translucent protection member is provided to cover an observation surface side of a display member including an organic EL light-emitting portion, in order to protect the display member. The display apparatus includes the display member with an organic EL light-emitting portion having a pair of electrodes and an organic compound layer provided between the pair of electrodes; and a casing for housing the display member, wherein a protection member is provided in the casing with a gap from the display member, and wherein a phase member and a polarizing member are formed on the protection member such that the polarizing member is located closer to a light extraction side than the phase member.Type: ApplicationFiled: April 16, 2009Publication date: August 13, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Ryuichiro Isobe, Hideo Mori, Osamu Yuuki, Tatsuyuki Tokunaga, Hidemasa Mizutani
-
Patent number: 7541739Abstract: Provided is a display apparatus capable of reducing external light reflection to reduce an amount of glare of the outside, in which a translucent protection member is provided to cover an observation surface side of a display member including an organic EL light-emitting portion, in order to protect the display member. The display apparatus includes the display member with an organic EL light-emitting portion having a pair of electrodes and an organic compound layer provided between the pair of electrodes; and a casing for housing the display member, wherein a protection member is provided in the casing with a gap from the display member, and wherein a phase member and a polarizing member are formed on the protection member such that the polarizing member is located closer to a light extraction side than the phase member.Type: GrantFiled: October 20, 2006Date of Patent: June 2, 2009Assignee: Canon Kabushiki KaishaInventors: Ryuichiro Isobe, Hideo Mori, Osamu Yuuki, Tatsuyuki Tokunaga, Hidemasa Mizutani
-
Publication number: 20090121992Abstract: A color display apparatus is of the type wherein a unit pixel is constituted by at least three subpixels including first to third subpixels, and at each subpixel, a medium for changing an optical property depending on a voltage applied thereto is disposed. The color display apparatus includes means for applying a voltage, to each of the first to third subpixels, for changing the optical property of the medium within a brightness change range in which light passing through the medium is changed in brightness and a hue change range in which the light passing through the medium assumes chromatic color and a hue of the chromatic color is changed while including combinations of red and green, red and blue, and green and blue for the first to third subpixels, respectively.Type: ApplicationFiled: May 13, 2005Publication date: May 14, 2009Applicant: Canon Kabushiki KaishaInventors: Yasufumi Asao, Kohei Nagayama, Ryuichiro Isobe, Hideo Mori, Hironao Tanaka, Hiroshi Matsuda
-
Publication number: 20090046107Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.Type: ApplicationFiled: October 21, 2008Publication date: February 19, 2009Applicant: CANON KABUSHIKI KAISHAInventors: YASUFUMI ASAO, Hideo Mori, Kohei Nagayama, Hironao Tanaka, Ryuichiro Isobe
-
Patent number: 7460115Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.Type: GrantFiled: July 1, 2005Date of Patent: December 2, 2008Assignee: Canon Kabushiki KaishaInventors: Yasufumi Asao, Hideo Mori, Kohei Nagayama, Hironao Tanaka, Ryuichiro Isobe