Patent Applications by Japan Display Inc. on January 9th, 2025

Japan Display Inc.: 22 patent applications

Japan Display Inc. has applied for patents in the areas of H01L29/786 (4), H01L29/66 (4), H10K59/80 (3), H05K1/02 (3), G02F1/13357 (2) H01L29/7869 (2), H10K59/879 (2), B32B37/12 (1), H10K71/166 (1), H10K59/122 (1)

With keywords such as: layer, resin, crystal, surface, electrodes, provided, device, than, base, and electrode in patent application abstracts.

Patent Applications by Japan Display Inc.

20250010602. METHOD FOR MANUFACTURING STRETCHABLE DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Yosuke HYODO of Tokyo (JP) for japan display inc.

IPC Code(s): B32B37/12, B32B7/12, B32B27/08, B32B37/24

CPC Code(s): B32B37/12

Abstract: according to an aspect, a method for manufacturing a stretchable device includes: preparing a glass plate provided with an inorganic film; forming a resin base member on the inorganic film; forming an array layer on the resin base member; and bonding a stretchable resin to the array layer. the bonding the stretchable resin includes arranging part of the stretchable resin in a through hole that passes through the resin base member and the array layer and bonding the part of the stretchable resin to the inorganic film. the inorganic film has a formation surface on which the resin base member is formed. the formation surface has a recess recessed toward the glass plate.

20250012631. DETECTION DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Kaoru ITO of Tokyo (JP) for japan display inc., Akihiko FUJISAWA of Tokyo (JP) for japan display inc., Daichi ABE of Tokyo (JP) for japan display inc.

IPC Code(s): G01J1/44, G01N21/31

CPC Code(s): G01J1/44

Abstract: according to an aspect, a detection device includes: sensors each of which includes a photodiode configured to detect light and is configured to generate an output corresponding to a degree of the detected light; and a detection circuit configured to receive the output of each sensor. the photodiode has an anode to which a reference potential is applied and a cathode to which a reset potential higher than the reference potential is applied. each sensor is configured to generate the output corresponding to the degree of the light detected by the photodiode after the reset potential is applied to the cathode and before the reset potential is applied to the cathode again. the outputs of the sensors are received in a first period and a second period after the first period. the reference potential and the reset potential in the first period are different from those in the second period.

20250012713. DETECTION DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Kaoru ITO of Tokyo (JP) for japan display inc., Akihiko FUJISAWA of Tokyo (JP) for japan display inc., Daichi ABE of Tokyo (JP) for japan display inc.

IPC Code(s): G01N21/31, C12M1/34

CPC Code(s): G01N21/31

Abstract: according to an aspect, a detection device includes: a sensor panel having a detection region provided with sensors that are arranged two-dimensionally and each of which is configured to detect light and generates an output corresponding to a degree of detected light; and a light source having point light sources that are arranged in a light emitting region provided corresponding to the detection region. each point light source is turned on and the outputs from the sensors are received in first detection processing. each point light source is turned on at a luminance different from the luminance in the first detection processing and the outputs from the sensors are received in second detection processing. the luminance of the point light source in the second detection processing is based on a relation between the luminance of the point light source and the outputs from the sensors in the first detection processing.

20250012964. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Tenfu NAKAMURA of Tokyo (JP) for japan display inc.

IPC Code(s): F21V8/00, G02F1/1334, G02F1/13357

CPC Code(s): G02B6/0046

Abstract: according to one embodiment, a display device includes a display panel having a liquid crystal layer containing a polymer dispersion liquid crystal, and a light guide element. the light guide element includes a base, a transparent layer having a refractive index lower than a refractive index of the base. a plurality of light emitting elements are arranged adjacent to a first side surface of the base, the first thickness of the transparent layer decreases from the first side surface towards a second side surface on an opposite side to the first side, and the second thickness of the transparent adhesive layer increasing from the first side surface towards the second side surface.

20250013098. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Tenfu NAKAMURA of Tokyo (JP) for japan display inc., Keiji TAGO of Tokyo (JP) for japan display inc., Yoshinori TANAKA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/13357, G02F1/1362

CPC Code(s): G02F1/133605

Abstract: according to one embodiment, the transparent layer has a plurality of band portions, each of which has a triangular shape with a first edge, second edge and third edge, the first edge is shorter than the second edge and third edge, the second edge is shorter than the edge side, the first edge extends along the first direction, a direction of extension of an imaginary line connecting a first point at a center of the first edge and a second point where the second and third edges intersect is a direction of extension of each of the band portions, the direction of extension is tilted at 4� to the second direction, and a length of the first edge is shorter than an interval between each adjacent pair of the signal lines.

20250013102. LIQUID CRYSTAL OPTICAL ELEMENT_simplified_abstract_(japan display inc.)

Inventor(s): Ayaka HIGUCHI of Tokyo (JP) for japan display inc., Shinichiro OKA of Tokyo (JP) for japan display inc., Koichi IGETA of Tokyo (JP) for japan display inc., Junji KOBASHI of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1337, G02F1/13363

CPC Code(s): G02F1/133757

Abstract: according to one embodiment, a liquid crystal optical element includes a transparent substrate having a first main surface, an alignment control layer having a plurality of convex bodies, and a liquid crystal layer having a cholesteric liquid crystal. the alignment control layer has a first alignment area in which the convex bodies are arranged at a first pitch, and a second alignment area in which the convex bodies are arranged at a second pitch. the second pitch is less than the first pitch. the liquid crystal layer has a first liquid crystal area which overlaps the first alignment area, and a second liquid crystal area which overlaps the second alignment area.

20250013336. INPUT DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Koji ISHIZAKI of Tokyo (JP) for japan display inc., Hayato KURASAWA of Tokyo (JP) for japan display inc., Hiroshi MIZUHASHI of Tokyo (JP) for japan display inc.

IPC Code(s): G06F3/044

CPC Code(s): G06F3/0446

Abstract: an input device is provided and includes substrate; first metal mesh shape electrodes provided on layer of substrate; second metal mesh shape electrodes provided on same layer of the substrate as first metal mesh shape electrodes; second metal connection electrodes each of which connects adjacent two of second metal mesh shape electrodes on same layer as first metal mesh shape electrodes; insulating film covering second metal connection electrodes; first transparent connection electrodes each of which connects adjacent two of first metal mesh shape electrodes on insulating film; and protective film covering first metal mesh shape electrodes, second metal mesh shape electrodes, and first transparent connection electrodes.

20250015111. DETECTION DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Yoshitaka OZEKI of Tokyo (JP) for japan display inc., Takahiro TAKEUCHI of Tokyo (JP) for japan display inc.

IPC Code(s): H01L27/146, G06V40/13, H04N25/76

CPC Code(s): H01L27/14627

Abstract: a detection device includes a substrate, a photodiode provided on the substrate, a lens provided so as to overlap the photodiode, a light-blocking layer that is provided between the photodiode and the lens, and is provided with an opening in a region overlapping the photodiode, and a light-transmitting resin layer and a buffer layer that are stacked between the light-blocking layer and the lens. the lens is provided in direct contact with a top of the buffer layer.

20250015120. DETECTION DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Gen KOIDE of Tokyo (JP) for japan display inc.

IPC Code(s): H01L27/146

CPC Code(s): H01L27/14643

Abstract: according to an aspect, a detection device includes: a substrate; a photodiode that is provided on the substrate and in which a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode are stacked on the substrate in the order as listed; a signal line that is provided between the substrate and the photodiode in a direction orthogonal to the substrate and is electrically coupled to the lower electrode of the photodiode; a detection circuit electrically coupled to the photodiode via the signal line; and a shield layer that is provided between the signal line and the lower buffer layer in the direction orthogonal to the substrate and is configured to be supplied with a reference voltage.

20250015168. SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Takaya TAMARU of Tokyo (JP) for japan display inc., Masashi TSUBUKU of Tokyo (JP) for japan display inc., Hajime WATAKABE of Tokyo (JP) for japan display inc., Toshinari SASAKI of Tokyo (JP) for japan display inc.

IPC Code(s): H01L29/66, G02F1/1368, H01L21/02, H01L29/786, H10K59/121

CPC Code(s): H01L29/66969

Abstract: a method for manufacturing a semiconductor device, the method comprising steps of: forming a first metal oxide layer containing aluminium as a main component above an insulating surface; performing a planarization process on a surface of the first metal oxide layer; forming an oxide semiconductor layer on the insulating surface on which the planarization process is performed; forming a gate insulating layer above the oxide semiconductor layer; and forming a gate electrode facing the oxide semiconductor layer above the gate insulating layer.

20250015189. SEMICONDUCTOR DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hajime WATAKABE of Tokyo (JP) for japan display inc., Masashi TSUBUKU of Tokyo (JP) for japan display inc., Toshinari SASAKI of Tokyo (JP) for japan display inc., Takaya TAMARU of Tokyo (JP) for japan display inc.

IPC Code(s): H01L29/786, G02F1/1368, H01L29/66, H10K59/121

CPC Code(s): H01L29/78606

Abstract: a semiconductor device includes a metal oxide layer over an insulating surface, an oxide semiconductor layer over the metal oxide layer, and an insulating layer over the oxide semiconductor. the insulating layer includes a first region overlapping the oxide semiconductor layer. a first aluminum concentration of the first region is greater than or equal to 1�10atoms/cm.

20250015196. THIN FILM TRANSISTOR AND ELECTRONIC DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hajime WATAKABE of Tokyo (JP) for japan display inc., Masashi TSUBUKU of Tokyo (JP) for japan display inc., Toshinari SASAKI of Tokyo (JP) for japan display inc., Takaya TAMARU of Tokyo (JP) for japan display inc., Emi KAWASHIMA of Tokyo (JP) for japan display inc., Yuki TSURUMA of Tokyo (JP) for japan display inc., Daichi SASAKI of Tokyo (JP) for japan display inc.

IPC Code(s): H01L29/786, H01L29/66

CPC Code(s): H01L29/7869

Abstract: a thin film transistor includes a metal oxide layer over the substrate, an oxide semiconductor layer having crystallinity in contact with the metal oxide layer, a gate electrode overlapping the oxide semiconductor layer, and an insulating layer between the oxide semiconductor layer and the gate electrode. the oxide semiconductor layer includes a plurality of crystal grains. each of the plurality of crystal grains includes at least one of a crystal orientation <001>, a crystal orientation <101>, and a crystal orientation <111> obtained by an ebsd method. in occupancy rates of crystal orientations calculated based on measurement points having crystal orientations with a crystal orientation difference greater than or equal to 0 degrees and less than or equal to 15 degrees with respect to a normal direction of a surface of the substrate, an occupancy rate of the crystal orientation <001> is less than or equal to 5%.

20250015198. OXIDE SEMICONDUCTOR FILM, THIN FILM TRANSISTOR, AND ELECTRONIC DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hajime WATAKABE of Tokyo (JP) for japan display inc., Masashi TSUBUKU of Tokyo (JP) for japan display inc., Toshinari SASAKI of Tokyo (JP) for japan display inc., Takaya TAMARU of Tokyo (JP) for japan display inc., Emi KAWASHIMA of Tokyo (JP) for japan display inc., Yuki TSURUMA of Tokyo (JP) for japan display inc., Daichi SASAKI of Tokyo (JP) for japan display inc.

IPC Code(s): H01L29/786, C01G15/00, C23C14/08, H01L29/66

CPC Code(s): H01L29/7869

Abstract: an oxide semiconductor film having crystallinity over a substrate contains indium (in) and a first metal element (m1). the oxide semiconductor film includes a plurality of crystal grains. each of the plurality of crystal grains includes at least one of a crystal orientation <001>, a crystal orientation <101>, and a crystal orientation <111> obtained by an electron backscatter diffraction (ebsd) method. in occupancy rates of crystal orientations calculated based on measurement points having crystal orientations with a crystal orientation difference greater than or equal to 0 degrees and less than or equal to 15 degrees with respect to a normal direction of a surface of the substrate, an occupancy rate of the crystal orientation <111> is greater than an occupancy rate of the crystal orientation <001> and an occupancy rate of the crystal orientation <101>.

20250015508. REFLECT ARRAY_simplified_abstract_(japan display inc.)

Inventor(s): Daiichi SUZUKI of Tokyo (JP) for japan display inc., Takanori TSUNASHIMA of Tokyo (JP) for japan display inc., Masayuki IKARI of Tokyo (JP) for japan display inc., Shinichiro OKA of Tokyo (JP) for japan display inc., Mitsutaka OKITA of Tokyo (JP) for japan display inc., Kazuki MATSUNAGA of Tokyo (JP) for japan display inc.

IPC Code(s): H01Q15/14

CPC Code(s): H01Q15/14

Abstract: a reflect array includes a plurality of patch electrodes arranged spaced apart and interconnected to an incident surface of a radio wave, a plurality of control electrodes arranged spaced apart to correspond to the plurality of patch electrodes and disposed on a rear side of the plurality of patch electrodes, a liquid crystal layer between the plurality of patch electrodes and the plurality of control electrodes, and an auxiliary electrode disposed to overlap a separated region of the plurality of control electrodes.

20250016915. STRETCHABLE DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Takumi SANO of Minato-ku (JP) for japan display inc., Hiroumi KINJO of Minato-ku (JP) for japan display inc.

IPC Code(s): H05K1/02, H05K1/14

CPC Code(s): H05K1/0283

Abstract: according to an aspect, a stretchable device includes: a stretchable substrate comprising a first resin layer, a resin base member, an array layer, and a second resin layer stacked in the order as listed; and a flexible printed circuit board electrically coupled to an electrical circuit included in the array layer. the resin base member includes end portions separated from each other. the electrical circuit comprises a plurality of first coupling terminals disposed on the end portions. the flexible printed circuit board comprises second coupling terminals facing the first coupling terminals. an anisotropic conductive resin layer electrically coupling the first coupling terminals to the second coupling terminals is provided between the first coupling terminals and the second coupling terminals. the first resin layer has: a first surface provided with the resin base member; and a dummy end portion provided to the first surface and disposed around the end portions.

20250016920. STRETCHABLE DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Takumi SANO of Tokyo (JP) for japan display inc., Yosuke HYODO of Tokyo (JP) for japan display inc.

IPC Code(s): H05K1/03, H05K1/02

CPC Code(s): H05K1/0393

Abstract: according to an aspect, a stretchable device includes: a resin base member; an array layer provided to the resin base member; and a pair of resin layers that sandwich the resin base member and the array layer from both sides in a thickness direction in which the resin base member and the array layer are disposed, the resin layers being made of resin having lower elastic modulus than that of the resin base member. the resin base member includes: bodies separated from each other in a direction orthogonal to the thickness direction; and hinges coupling the bodies while meandering. the array layer includes functional elements overlapping the bodies when viewed in the thickness direction. the resin layers are provided with first rigid parts having higher elastic modulus than that of the resin that forms the resin layers. the first rigid parts overlap the bodies when viewed in the thickness direction.

20250016925. STRETCHABLE DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Yosuke HYODO of Tokyo (JP) for japan display inc.

IPC Code(s): H05K1/14, G01L1/22, H05K1/02

CPC Code(s): H05K1/14

Abstract: according to an aspect, a stretchable device includes a first stretchable resin, a resin base member, an array layer, and a second stretchable resin stacked in the order as listed. the resin base member includes: a plurality of bodies; and a plurality of hinges that couple the bodies. the array layer includes: a plurality of thin-film transistors disposed at the bodies; and a plurality of strain gauges disposed at the hinges. the strain gauges each include a semiconductor strain gauge made of semiconductor material at a part in a longitudinal direction. an impurity concentration of the semiconductor strain gauge is higher than an impurity concentration of the thin-film transistor.

20250017052. DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hiroshi TABATAKE of Tokyo (JP) for japan display inc., Hiroyuki KIMURA of Tokyo (JP) for japan display inc.

IPC Code(s): H10K59/122, H10K59/12, H10K59/35, H10K59/65, H10K59/80, H10K71/60

CPC Code(s): H10K59/122

Abstract: according to one embodiment, a display device includes a base, a lower electrode, a rib including an aperture, a partition, an organic layer in contact with the lower electrode through the aperture, and an upper electrode. the lower electrode includes first lower electrodes in a first area on and second lower electrodes in a second area. the aperture includes first apertures overlapping with the first lower electrodes and second apertures overlapping with the second lower electrodes. the partition includes a first partition dividing the first apertures and second partitions dividing each of the second apertures. the second aperture is smaller than the first aperture. each of the second partitions is connected to other second partition via a transparent conductive layer.

20250017085. DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF_simplified_abstract_(japan display inc.)

Inventor(s): Ze YUAN of Tokyo (JP) for japan display inc., Hidekazu MIYAKE of Tokyo (JP) for japan display inc.

IPC Code(s): H10K59/80, H10K59/12

CPC Code(s): H10K59/879

Abstract: according to one embodiment, a display device includes a lower electrode, an organic layer, an upper electrode, an insulating layer, a color filter having a first surface which faces the insulating layer, and a second surface on a side opposite to the first surface, a first lens provided on the first surface immediately above the lower electrode, formed into a convex shape and covered with the insulating layer, and a second lens provided on the second surface immediately above the lower electrode and formed into a convex shape. the second lens comprises at least a first layer having a first refractive index and formed into a hemispherical shape, and a second layer having a second refractive index higher than the first refractive index and covering the first layer.

20250017086. DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF_simplified_abstract_(japan display inc.)

Inventor(s): Ze Yuan of Tokyo (JP) for japan display inc.

IPC Code(s): H10K59/80

CPC Code(s): H10K59/879

Abstract: according to one embodiment, a display device includes a lower electrode, a rib, an organic layer, an upper electrode, a support body having a first surface and a second surface, a first lens provided on the first surface immediately above the lower electrode and formed into a convex shape, an overcoat layer which covers the first lens, a second lens provided on the second surface immediately above the rib and formed into a convex shape, and a light-shielding layer which covers the second lens. the first lens includes at least a first layer which is in contact with the first surface and has a first refractive index, and a second layer which has a second refractive index higher than the first refractive index and overlaps the first layer.

20250017092. METHOD OF MANUFACTURING DISPLAY DEVICE AND VAPOR DEPOSITION MASK_simplified_abstract_(japan display inc.)

Inventor(s): Naoya IWAHASHI of Tokyo (JP) for japan display inc., Sho YANAGISAWA of Tokyo (JP) for japan display inc., Mitsugu TAMEKAWA of Tokyo (JP) for japan display inc.

IPC Code(s): H10K71/16, C23C14/04, C23C14/12, C23C14/24

CPC Code(s): H10K71/166

Abstract: according to one embodiment, a method of manufacturing a display device includes depositing an organic el material from an evaporation source onto the substrate via the vapor deposition mask by heating the evaporation source, thereby forming an organic el layer, wherein the vapor deposition mask comprises a plurality of thin-film regions and a retaining frame, each of the plurality of thin-film regions includes a plurality of mask regions and connection regions, each of the plurality of thin-film regions has a propeller shape, each of the plurality of mask regions has a circular shape, and each of the plurality of mask regions comprises a plurality of aperture regions.

20250017094. PROCESSING DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Tatsuya IDE of Tokyo (JP) for japan display inc.

IPC Code(s): H10K71/50, H01L21/67, H10K59/95

CPC Code(s): H10K71/50

Abstract: according to one embodiment, a processing device includes a stage, a support member including a movable support block, and a vacuum device including a main body and a block, and the processing moves the support block in a first direction to support an end portion region of a display panel and a flexible wiring board disposed outside the stage, causes the end portion area of the display panel and the flexible wiring board to be adsorbed to the main body of the vacuum device, and rotates the main body of the vacuum device and the block of the vacuum device by 180� to bend the display panel in a bend area of the end portion region.

Japan Display Inc. patent applications on January 9th, 2025