Patents Assigned to Sakai Display Products Corporation
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Patent number: 10473961Abstract: Provided is a display apparatus capable of realizing the reduction in thickness and border width even in a case of the curved display and keeping a display quality successfully. The display apparatus is equipped with: a liquid-crystal panel prepared by enclosing a liquid-crystal material between a pair of glass substrates being opposed to each other; a light guide plate being opposed to the liquid-crystal panel and being made of glass; and an optical sheet arranged between the liquid-crystal panel and the light guide plate; and a frame body which joins respective peripheral portions of the liquid-crystal panel and the light guide plate with a predetermined distance between the liquid-crystal panel and the light guide plate, and having a flexibility.Type: GrantFiled: October 16, 2014Date of Patent: November 12, 2019Assignee: Sakai Display Products CorporationInventors: Tomonori Takobe, Nobuhiro Yonezawa
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Patent number: 10466553Abstract: Pixels P arranged in a matrix shape have at least two sub-pixels defined by including an electrode pair of a sub-pixel electrode and a counter electrode facing each other through a liquid crystal layer. Regarding at least two sub-pixels included in the pixel P, a voltage difference between voltages applied to the liquid crystal layer through the electrode pair, a brightness difference or a luminance difference varies depending on an arrangement position of the pixel P in a row direction and/or column direction.Type: GrantFiled: June 23, 2015Date of Patent: November 5, 2019Assignee: Sakai Display Products CorporationInventors: Kentaro Irie, Masae Kitayama
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Patent number: 10466525Abstract: A display apparatus has a display panel having a display region, a light shielding region surrounding the display region, and an outer region located outside of the light shielding region; a support frame disposed at a rear surface side of the display panel, the support frame including a panel supporting portion which supports a peripheral portion of the display panel from a rear side, and an extension beginning from the panel supporting portion and extending away from the display panel; and a light shield disposed at the rear surface side of the display panel, the light shield including a light-shielding portion which is disposed between the display panel and the support frame, the light-shielding portion extending so as to overlap at least a portion of the light shielding region and the outer region of the display panel as viewed from a normal direction of the display panel, and a fixture portion beginning from the light-shielding portion and extending away from the display panel, the fixture portion beingType: GrantFiled: December 28, 2017Date of Patent: November 5, 2019Assignee: Sakai Display Products CorporationInventors: Yuki Horiguchi, Kohhei Nanbu, Shigeyoshi Okazaki, Hiroki Azuma, Tomohiro Asamizu, Noriaki Miyoshi
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Patent number: 10461284Abstract: A method for producing an organic electroluminescent device includes the step of forming a driving circuit layer on a substrate; the step of forming an inorganic protective layer on the driving circuit layer; the step of forming an organic flattening layer on the inorganic protective layer; the step of reducing moisture contained in the organic flattening layer; the step of forming an organic electroluminescent element layer on the organic flattening layer after the step of reducing moisture; and, after the organic flattening layer is formed but before the organic flattening layer is heated, the step of forming an organic polymer film covering the organic flattening layer and the step of removing the organic polymer film.Type: GrantFiled: March 13, 2019Date of Patent: October 29, 2019Assignee: Sakai Display Products CorporationInventors: Yozo Narutaki, Katsuhiko Kishimoto
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Patent number: 10453876Abstract: In the present invention, a gate electrode is formed on a substrate surface, and an insulation film is formed on the substrate surface whereon the gate electrode has been formed. A first amorphous silicon layer is formed on the substrate surface whereon the insulation film has been formed. An energy beam is irradiated onto a plurality of required sites spaced from each other in the first amorphous silicon layer to transform each of the required sites into a polysilicon layer. Each of the required sites is situated on the upper side of the gate electrode and serves as a channel region between a source and a drain. This allows other sites, which are in the first amorphous silicon layer and related to the plurality of required sites, to also be irradiated by the energy beam and ablated so as to form at the other sites a cleared portion having a required shape.Type: GrantFiled: April 20, 2015Date of Patent: October 22, 2019Assignee: Sakai Display Products CorporationInventors: Nobutake Nodera, Shigeru Ishida, Ryohei Takakura, Yoshiaki Matsushima, Takao Matsumoto
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Patent number: 10451794Abstract: The present invention provides a display apparatus capable of exhibiting excellent heat dissipation properties with a simpler structure, and increasing productivity of products by reducing the number of components. In a television receiving apparatus (100) which includes a light guide plate (5) configured to emit light from one surface thereof, the light entering a side surface of the light guide plate (5), and displays an image by the light emitted from the light guide plate (5), the television receiving apparatus (100) includes a heat absorption plate (6) which is integrally molded with the light guide plate (5), wherein one surface of the heat absorption plate (6) contacts with the other surface of the light guide plate (5), such that the heat absorption plate (6) absorbs heat emitted by the light guide plate (5).Type: GrantFiled: April 16, 2014Date of Patent: October 22, 2019Assignee: Sakai Display Products CorporationInventor: Tomoo Sasaki
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Patent number: 10439138Abstract: A step of forming openings in a mask substrate includes step A of forming openings of “a” number of continual columns included in a first region (R1) including at least the (n/2)th column or the ((n+1)/2)th column; step B of forming openings of “b” number of continual columns included in a second region (R2) adjacent to the first region (R1) in a ?x direction with a first gap region (RS1) being sandwiched between the first and second regions, the first gap region including “sa” number of continual columns; and step C of forming openings of “c” number of continual columns included in a third region (R3) adjacent to the first region (R1) in an x direction with a second gap region (RS2) being sandwiched between the first and third regions, the second gap region including “sb” number of continual columns. The steps B and C are performed after the step A.Type: GrantFiled: August 31, 2017Date of Patent: October 8, 2019Assignee: Sakai Display Products CorporationInventors: Katsuhiko Kishimoto, Susumu Sakio
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Patent number: 10393952Abstract: Provided is an optical unit which includes a light guide plate configured to emit light made incident thereon through a light incident side surface from one surface thereof, and a reflection sheet disposed to face the light guide plate, wherein the reflection sheet has a projection piece which protrudes with respect to a surface of the reflection sheet on one edge thereof. The projection piece is held with being in surface contact with any one side surface of the light guide plate, thereby the reflection sheet is held so as to face the light guide plate.Type: GrantFiled: July 26, 2013Date of Patent: August 27, 2019Assignee: Sakai Display Products CorporationInventor: Yasumori Kuromizu
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Patent number: 10393953Abstract: A light source device includes: a light source section; a light guide plate; and a supporting member supporting the light source section so as to oppose a peripheral surface of the light guide plate. The light source section includes light sources and a light source substrate having a surface on which the light sources are mounted. The supporting member has an opposed surface opposing a rear surface of the light guide plate. The opposed surface has receptacles to allow the light source section to be attached so that the surface of the light source substrate opposes one end surface of the light guide plate. The receptacles are arranged so that the light source section can be attached to a selected receptacle, resulting in different separation distances between the light source section and the one end surface of the light guide plate.Type: GrantFiled: March 29, 2017Date of Patent: August 27, 2019Assignee: Sakai Display Products CorporationInventors: Hitoshi Tomizawa, Kazuya Idei
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Publication number: 20190258873Abstract: A shading device comprises: a shading member; a display apparatus disposed on a surface of the shading member in such a manner that a display portion faces to an operator; an image pickup device to pick up, as an image, a region which an opposite surface of the surface faces, and generate image pickup data; and a data processing circuit to generate display image data, based on the image pickup data. An image display module comprises: a display apparatus to be disposed on a surface of a shading device in such a manner that a display portion faces an operator; an image pickup device to pick up, as an image, a region to which an opposite surface of the surface faces, and generate image pickup data; and a data processing circuit to generate display image data, based on the image pickup data.Type: ApplicationFiled: April 14, 2017Publication date: August 22, 2019Applicant: Sakai Display Products CorporationInventor: Katsuhiko KISHIMOTO
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Patent number: 10379286Abstract: Provided are a light guide plate which has a notch part formed at one edge part thereof and emits light made incident on the other edge part side from a light source through one surface thereof, such that it is possible to prevent the incident light from being irregularly reflected on the side face forming the notch part, and prevent an occurrence of stray light around the notch part, a light source device and a display apparatus. A side face forming the notch part has, on a light source side, an inclined face which is obliquely formed with respect to the incident light or a parallel face which is formed parallel to the incident light.Type: GrantFiled: February 18, 2014Date of Patent: August 13, 2019Assignee: Sakai Display Products CorporationInventor: Takashi Uchida
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Publication number: 20190244563Abstract: A display apparatus comprises: a display panel comprising a plurality of display elements arranged in a matrix form on a substrate having flexibility; a supporting member having a surface, the substrate of the display panel being placed on the surface; and a holding member provided at a part of or the entire of an outer edge of the display panel along the outer edge so as to rim the display panel, the holding member holding the display panel on the surface of the supporting member. The holding member engages with an outer periphery of the display panel, the holding member is bonded to the surface of the supporting member, and the substrate closely contacts with the surface of the supporting member at a lower strength than a bonding strength between the holding member and the surface of the supporting member.Type: ApplicationFiled: September 7, 2017Publication date: August 8, 2019Applicant: Sakai Display Products CorporationInventor: Katsuhiko KISHIMOTO
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Patent number: 10372001Abstract: A display device according to the present invention is provided with: a display panel that has a display area and a non-display area; a plurality of signal lines that are provided on the display panel; a spare wire (40) that extends to the non-display area and the outside of the display panel and that should be connected to the signal lines; a plurality of connection terminals that are provided on the display panel; and amplifiers (7) that are connected, at input sides thereof, to first connection terminals (21), that should be connected, at output sides thereof, to the spare wire (40), and that are located outside the display panel.Type: GrantFiled: December 24, 2014Date of Patent: August 6, 2019Assignee: Sakai Display Products CorporationInventor: Hidetoshi Nakagawa
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Patent number: 10371886Abstract: Provided is a display apparatus capable of preventing the warp and the optical leak of an optical sheet. The display apparatus includes: a display panel which displays an image; a light guide plate which faces the display panel and emits light towards the display panel; a spacer which forms a gap between the light guide plate and the display panel; and an optical sheet arranged at the gap. A peripheral portion of the light guide plate is located outside with respect to the display panel, and the spacer includes a panel attaching part which is attached at an edge portion of one surface of the display panel and with a light-guide-plate attaching part which continues to the panel attaching part and is attached at an edge portion in one surface of the light guide plate.Type: GrantFiled: September 26, 2014Date of Patent: August 6, 2019Assignee: Sakai Display Products CorporationInventors: Arimasa Sugimoto, Yasunori Minakuchi
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Patent number: 10371887Abstract: A display apparatus includes: a display panel displaying an image; a light guide plate facing the display panel. The display panel and the light guide plate are coupled by a coupling member disposed at a peripheral portion of the display apparatus, and an optical sheet being interposed in a void formed between the display panel and the light guide plate. The coupling member includes a leg plate having a strip shape and two side plates protruding inward from both edges in a width direction of the leg plate approximately in parallel to each other. The coupling member is attached in such a way that the leg plate is provided along both a peripheral edge of the display panel and a peripheral edge of the light guide plate, one of the two side plates extending inward is provided along a facing surface of the display panel facing the light guide plate, and the other of the two side plates is provided along at least one surface of the light guide plate.Type: GrantFiled: September 26, 2014Date of Patent: August 6, 2019Assignee: Sakai Display Products CorporationInventors: Arimasa Sugimoto, Yasunori Minakuchi
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Patent number: 10359669Abstract: A display apparatus according to one embodiment of the present disclosure comprises a display panel, a light guiding plate that emits light, the light being derived from a light source, through a front surface of the light guiding plate toward a rear surface of the display panel, a spacer that forms a void between the display panel and the light guiding plate, and an optical sheet disposed at the void, the optical sheet having a surface to face the rear surface of the display panel and a surface to face the front surface of the light guiding plate. In the display apparatus, the spacer is formed using a shape memory alloy.Type: GrantFiled: September 26, 2014Date of Patent: July 23, 2019Assignee: Sakai Display Products CorporationInventors: Takashi Iwaki, Nobuhiro Yonezawa, Daishi Ishikawa
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Patent number: 10359675Abstract: The liquid crystal display panel includes: storage capacitors respectively provided for a plurality of pixels on a substrate; a plurality of storage capacitor lines 37 arrayed in a column direction and each connected to corresponding ones of the storage capacitors, each storage capacitor line 37 belonging to one of N groups (where N is an integer equal to or greater than 2), such that every Nth storage capacitor line 37 belongs to an identical group; a plurality of branch lines 38 arrayed in a row direction, each branch line 38 being connected to more than one of the plurality of storage capacitor lines 37 that belong to an identical group; a plurality of trunk lines 71 to 82 at a column-direction edge of the substrate, each supplying an identical signal to a number of storage capacitor lines 37 that belong to one of the N groups via one or more of the plurality of branch lines 38; and a plurality of signal sending sections 7 each being coupled to associated trunk lines among the plurality of trunk lines 71 tType: GrantFiled: September 11, 2017Date of Patent: July 23, 2019Assignee: Sakai Display Products CorporationInventor: Masahiro Matsuda
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Publication number: 20190211436Abstract: A method for manufacturing a vapor deposition mask (100) including a resin layer (10), and a magnetic metal body (20) formed on the resin layer (10), the method including the steps of: (A) providing a magnetic metal body (20) having at least one first opening (25); (B) providing a substrate (60); (C) forming a resin layer (10) by applying a solution including a resin material or a varnish of a resin material on a surface of a substrate (60), and then performing a heat treatment thereon; (D) securing the resin layer (10) formed on the substrate (60) on the magnetic metal body (20) so as to cover the at least one first opening (25); (E) forming a plurality of second openings (13) in a region of the resin layer (10) that is located in the at least one first opening (25) of the magnetic metal body (20); and (F) after the step (E), removing the substrate (60) from the resin layer (10).Type: ApplicationFiled: January 31, 2017Publication date: July 11, 2019Applicant: Sakai Display Products CorporationInventors: Koshi NISHIDA, Susumu SAKIO, Katsuhiko KISHIMOTO
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Patent number: 10345646Abstract: This display apparatus includes an optical sheet, and a holding member 4 holding a peripheral part of the optical sheet. The optical sheet has a hooking part 312 extended from the optical sheet. The holding member 4 has a hooked part 46 to which the hooking part of the optical sheet is hooked. The hooked part 46 has at least one movement-prevention part 43 for preventing the hooking part 312 from moving. Thus, disengagement of the optical sheet from the holding member 4 and positional deviation of the optical sheet are prevented when heat is generated during driving of the display apparatus and the optical sheet undergoes thermal expansion.Type: GrantFiled: January 24, 2018Date of Patent: July 9, 2019Assignee: Sakai Display Products CorporationInventors: Harumasa Tomizuka, Motoaki Okitsu
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Patent number: 10345641Abstract: Provided are a liquid crystal display apparatus and a method for driving a liquid crystal display apparatus capable of effectively suppressing the deterioration in gamma characteristics even when an angle between a normal line to a display screen from a position of observation and an observer's line of sight is relatively large. Pixels P, arranged in a matrix, are defined to include a plurality of pairs of electrodes for applying a voltage to a liquid crystal layer. Each of two subpixels included in each pixel P is defined to include a pair of electrodes consisting of a subpixel electrode and a counter electrode. A pair of electrodes in each of the two subpixels included in the pixel P (including a pair of electrodes in a third subpixel which may also be included in the pixel P) applies a voltage to the crystal liquid layer.Type: GrantFiled: December 18, 2014Date of Patent: July 9, 2019Assignee: Sakai Display Products CorporationInventors: Kentaro Irie, Masae Kitayama