Patents Assigned to Japan Display Central Inc.
  • Patent number: 8975756
    Abstract: An electric terminal device is provided with glass substrate 11, glass-substrate-side electric terminals 15 formed on glass substrate 11, tape carrier packages 16a and 16b which are larger in thermal expansion rate than glass substrate 11, and tape-side electric terminals 21 provided to correspond to glass-substrate-side electric terminals 15. Tape-side electric terminals 21 include alignment terminals 25 to align with terminals at the outer most edges of glass-substrate-side electric terminals 15, and connecting terminals 26 electrically and mechanically connected to glass-substrate-side electric terminals 15 due to thermal expansion of tape carrier packages 16a and 16b by thermo-compression bonding on a condition that alignment terminals 25 of tape-side electric terminals 21 are aligned with the terminals of glass-substrate-side electric terminals 15.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: March 10, 2015
    Assignee: Japan Display Central Inc.
    Inventor: Iwane Ichiyama
  • Patent number: 8764930
    Abstract: An embodiment of manufacturing method of a flat-panel display device having a display panel and a transparent protector sheet; comprises: setting a bi-directionally Y-shape branched line pattern within a rectangular to-be-bonded area, which is formed of two Y-shaped intersections of a center line and angle bisector lines of the corners, of the to-be-bonded area; and applying adhesive resin onto the protector sheet or onto the display panel by forming circular or ellipsoidal dot patterns of applied adhesive resin so that: the dot patterns are arranged on the center-line segment and on the branch lines or their vicinities; and the dot patterns are arranged in symmetry with respect to the center line and to its perpendicular bisector.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: July 1, 2014
    Assignee: Japan Display Central Inc.
    Inventors: Hideo Shibata, Tatsuya Shinoda, Takayuki Iizuka, Yukinori Ueda, Susumu Otani, Toshifumi Shimizu
  • Patent number: 8736588
    Abstract: In one embodiment, a liquid crystal display device includes first and second areas respectively having a gate line group in an active area, and a dummy gate line group arranged on an outside of the active area. A driving circuit selects the gate lines of the gate line group and the dummy gate lines of the dummy gate line group one by one in the first and second areas. The driving circuit is independently controlled for the first and second areas. The gate lines are scanned from a center portion of the active area to the dummy gate line side in the first and second areas, respectively. An image signal and a non-image signal are written within one-frame period in the first and second areas.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: May 27, 2014
    Assignee: Japan Display Central Inc.
    Inventors: Yukio Tanaka, Kenji Nakao
  • Patent number: 8686989
    Abstract: In one embodiment, the liquid crystal shutter is equipped with a first liquid crystal panel in the OCB mode to control the transmissivity of the light entering into left eye and a second liquid crystal panel in the OCB mode to control the transmissivity of the light entering into right eye, and a drive portion to control the transmissivity. The drive portion applies a normal voltage of a normal drive in a pulse shape and a retention voltage having a pulse shape with lower frequency than the normal voltage or lower voltage than normal voltage to the first liquid crystal panel and the second liquid crystal panel. The drive portion switches between the normal drive and the retention drive while maintaining bend alignment state.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: April 1, 2014
    Assignee: Japan Display Central Inc.
    Inventors: Hirohisa Miki, Shigesumi Araki, Kazuhiro Nishiyama, Tetsuya Kojima, Kenji Nakao
  • Patent number: 8643796
    Abstract: In one embodiment, a liquid crystal display device having a plurality of pixels includes a first substrate having an insulating substrate, a first detection element extending in a first direction above the insulating substrate, a second detection element extending in a second direction crossing the first direction and an insulating film provided between the first and second detection circuits. A second substrate is arranged opposing to the first substrate so as to hold a liquid crystal layer therebetween. A detection circuit is provided on the first substrate to detect change of electrostatic capacitance between the first and second detection elements. At least one of the first and second detection elements is an element required for operating the liquid crystal layer.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: February 4, 2014
    Assignee: Japan Display Central Inc.
    Inventors: Hiroyuki Kimura, Hiroshi Tabatake, Tetsuya Kawamura
  • Patent number: 8617343
    Abstract: An embodiment of manufacturing method of a flat-panel display device having a display panel and a transparent protector sheet; comprises: applying of adhesive resin onto the transparent protector sheet or the display panel to form dot patterns of applied adhesive resin; seizing the protector sheet and the display panel on upper and lower chucking parts; colliding of undermost tip of the applied resin onto the panel or the protector sheet at an approaching rate no more than a predetermined rate, preferably in a range of 0.01-0.5 mm/sec; and squeezing of the layer by moving the upper or lower chucking part at a rate no less than three times of the approaching rate at a time of the colliding, preferably in a range of 1-10 mm/sec.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: December 31, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Tatsuya Shinoda, Takayuki Iizuka, Hideo Shibata, Yukinori Ueda, Susumu Otani, Toshifumi Shimizu
  • Patent number: 8570448
    Abstract: In one embodiment, a liquid crystal shutter includes a first liquid crystal panel for left eye and a second liquid crystal panel for right eye. Each liquid crystal panel includes a pair of electrode substrates and a liquid crystal layer held between the electrode substrates. A driving circuit switches the first and second liquid crystal panels between a transmissive state and a non-transmissive state by turns by applying a voltage to the first and second liquid crystal panels while inversing the polarity of the voltage applied between the pair of the electrode substrates at least once during a period in the transmissive state.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: October 29, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Mitsutaka Okita, Shigesumi Araki, Emi Higano
  • Patent number: 8564189
    Abstract: According to one embodiment, an organic EL element has a first electrode on a first substrate, a first carrier transport layer on the first electrode, an emitting layer on the first carrier transport layer, a second carrier transport layer on the emitting layer, a second electrode on the second carrier transport layer, a first heat absorbing layer on the second electrode, the first heat absorbing layer being separated from a center of the second electrode, and a second substrate on the first heat absorbing layer.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: October 22, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Mitsugu Tamekawa, Tetsuo Ishida
  • Patent number: 8564744
    Abstract: According to one embodiment, a flat panel display device includes a flat display panel having a pair of long sides and a pair of short sides, a face panel disposed in front of the flat display panel, a lenticular lens array disposed on an inner surface of the face panel, the inner surface facing the flat display panel, and an adhesive disposed along at least one of the pair of long sides of the flat display panel and attaching the flat display panel and the face panel to each other.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: October 22, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Daigo Fujita
  • Patent number: 8564735
    Abstract: In one embodiment, the liquid crystal display device includes a transmissive type liquid crystal display panel. A backlight unit is arranged on a back side of the liquid crystal display panel, and includes a light source portion for radiating the liquid crystal display panel with plane light. An optical sheet is arranged between the liquid crystal display panel and the back light unit. A rear bezel having a counter surface portion is arranged opposing at least a portion of a back side of the light source portion. An elastic sheet having a plurality of slits is arranged between the back side of the back light unit and the counter surface portion for elastically supporting the back light unit.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: October 22, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Kazuhiro Nakayama, Kazunari Nishita
  • Patent number: 8564747
    Abstract: A liquid crystal display device includes an array substrate formed with a number of switching elements and photosensors, a countersubstrate arranged opposite to the array substrate with a gap between the array substrate and the countersubstrate, a liquid crystal layer sandwiched between the array substrate and the countersubstrate and formed from a liquid crystal material which is negative in dielectric anisotropy, and an alignment control structure set on at least one of the array substrate and countersubstrate to control the alignment state of liquid crystal molecules in the liquid crystal layer, wherein each of the photosensors being placed opposite to the alignment control structure.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: October 22, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Keiji Tago
  • Patent number: 8551350
    Abstract: In one embodiment, a first substrate having a plurality of array regions is prepared. A seal material is formed in each of the array regions. A peripheral seal material is arranged outside the array regions extending in a first direction. The peripheral seal material has an exhaust opening provided at a portion of the peripheral seal material extending in a second direction. A dummy seal material is formed between the peripheral seal material extending in the first direction and the seal material formed in the array region. A second substrate is arranged on a surface of the first substrate in a jig. The inside of the jig is decompressed, and the atmosphere between the first and second substrates is exhausted while applying a pressure to the first and second substrates. Then, the first and second substrates are attached by curing the seal material, the peripheral seal material and the dummy seal material.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: October 8, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Sumio Miyata
  • Patent number: 8553181
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including pixel electrodes disposed, respectively, in a first color pixel on one end side of an active area and in a second color pixel on the other end side of the active area, a light-shield layer which surrounds the first color pixel and the second color pixel and extends to a peripheral area surrounding the active area, a first color filter disposed in the first color pixel, a second color filter disposed in the second color pixel, a dummy color filter which is stacked on the light-shield layer in the peripheral area, creates a distance between second color filter and the dummy color filter and is continuous with the first color filter.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: October 8, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Eishi Yamakawa, Sakae Yoshida, Daichi Hosokawa, Junichi Kobayashi, Takuho Maeda, Atsushi Yamazaki
  • Publication number: 20130258217
    Abstract: In one embodiment, a stereoscopic image display device includes a display panel having a first display area for performing a two-dimensional display mode or a three-dimensional display mode selectively and a second display area performing a display mode different from the selected display mode in the first display area. A liquid crystal lens unit having first and second substrates and liquid crystal layer therebetween is arranged in front of the display panel for forming a liquid crystal lens corresponding to the three-dimensional display. The relation of a distance and a potential difference between counter electrodes arranged on the second substrate adjacent each other sandwiching a boundary display area between the first display area and the second display area is set so that generation of a different lens from a lens form to perform the three-dimensional display mode in either one of the first and second display areas is suppressed.
    Type: Application
    Filed: September 7, 2012
    Publication date: October 3, 2013
    Applicant: Japan Display Central Inc.
    Inventors: Hiroshi AZUMA, Takashi SASABAYASHI
  • Publication number: 20130257828
    Abstract: A stereoscopic image display device includes a display panel having a first display area switchable to a two-dimensional display mode or a three-dimensional display mode and a second display area. A liquid crystal lens unit is arranged above the display panel and having a liquid crystal layer. The first substrate includes a first electrode formed in the first and second display areas for controlling alignment of the liquid crystal layer, a second electrode passing the second display area for supplying a voltage to the first electrode of the first display area, and a third electrode arranged between the second electrode and the liquid crystal layer in the second display area so that the third electrode has an overlap area with the second electrode in plane. The second substrate includes a fourth electrode formed so as to control the alignment of the liquid crystal layer with the first electrode.
    Type: Application
    Filed: September 6, 2012
    Publication date: October 3, 2013
    Applicant: Japan Display Central Inc.
    Inventors: Hiroshi AZUMA, Takashi Sasabayashi
  • Patent number: 8547486
    Abstract: A liquid crystal shutter includes a first support substrate having a first electrode and a second support substrate having a second electrode opposite to the first electrode. A liquid crystal layer is sandwiched between the first and second electrodes so as to have a switching region. The switching region becomes a bend alignment state from a splay alignment state when a voltage is applied to the liquid crystal layer. A nucleus region formation portion is arranged on the first support substrate to form a nucleus region in the switching region corresponding to the nucleus region formation portion in the liquid crystal layer, in which the splay alignment is more stable than in the switching region.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: October 1, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Tetsuya Kojima, Toshiyuki Higano, Shigesumi Araki, Tetsuo Fukami, Kazuhiro Nishiyama
  • Patent number: 8547511
    Abstract: A liquid crystal display panel includes a plurality of pixels arranged in a first direction and a second direction orthogonally crossing with the first direction. A first alignment pattern is formed in the counter electrode. The first alignment pattern faces the pixel electrode and extending in the first direction. A second alignment pattern is formed in the counter electrode. The second alignment pattern also faces the pixel electrode and extends in the second direction intersecting with the first alignment pattern. An expanding alignment portion is arranged at the intersecting portion of the first alignment pattern and the second alignment pattern. The first and second alignment patterns are formed of alignment slits or alignment protrusions arranged in the counter substrate.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: October 1, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Taiyo Tokuoka, Tetsuya Iizuka, Kazuya Daishi, Jin Hirosawa
  • Patent number: 8542329
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate having a pixel electrode and a second substrate having a counter electrode. The pixel electrode includes a first pixel electrode portion in a belt-like shape extending in a first direction and a second pixel electrode portion connected with one end of the first pixel electrode portion and extending in a second direction orthogonally crossing the first direction. The counter electrode includes a first counter electrode portion in a belt-like shape extending in the first direction to form a lateral electric field between the first counter electrode portion and the first pixel electrode portion. A liquid crystal layer is held between the first substrate and the second substrate. The lateral electric field is applied to the liquid crystal layer.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: September 24, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Jin Hirosawa
  • Patent number: 8542327
    Abstract: A liquid crystal display device, which is configured such that a liquid crystal layer is held between a pair of substrates, includes scanning lines extending in a row direction of matrix-arrayed pixels; and signal lines extending in a column direction of the pixels, wherein a pixel between a pair of ones of the signal lines, which neighbor in the row direction, includes, on an identical one of the pair of substrates, a first electrode which is connected to one of the pair of ones of the signal lines, and a second electrode which is opposed to the first electrode via an interlayer insulation film and is connected to the other of the pair of ones of the signal lines.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: September 24, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Kazuyuki Harada
  • Patent number: 8537321
    Abstract: In one embodiment, a liquid crystal display device includes a first insulating substrate and a second insulating substrate opposing the first insulating substrate. An electric power supply line formed along a perimeter of the first insulating substrate, and an electric power supply pad is arranged at a corner portion of the first insulating substrate apart from the electric power supply line. A plurality of signal lines are formed crossing between the electric power supply line and the electric power supply pad. An insulating layer covers the signal lines, and a connection electrode is arranged on the insulating layer for connecting the electric power supply line and the electric power supply pad. At least one slit is formed in the connection electrode extending in a direction so as to cross the signal lines. An electrically conductive element connects the electric power supply pad with a counter electrode.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: September 17, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Akira Yokogawa