Patents Examined by James Dudek
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Patent number: 11966117Abstract: An optical sheet 5 is an optical sheet, at least a first surface of the optical sheet has unevenness. A sparkle contrast of the first surface measured in conformity with JIS C 1006: 2019 is 4% or less. An arithmetic average roughness Ra of the first surface measured in conformity with JIS B 0601: 2001 (with an assessment length set to 290 ?m) may be 0.6 ?m or less. A peak count RPc of the first surface measured in conformity with JIS B 0601: 2001 (with an assessment length set to 290 ?m) may be 16 or more.Type: GrantFiled: November 1, 2022Date of Patent: April 23, 2024Assignee: KEIWA INC.Inventor: Kenta Sasa
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Patent number: 11966137Abstract: A display device can include a first substrate having an upper surface which is a display surface and a lower surface facing the upper surface; an active layer disposed on a lower surface of the first substrate and including a channel part, a first connection part connected to one side of the channel part, and a second connection part connected to the other side of the channel part; a gate electrode disposed under the active layer and overlapping with the channel part; a second substrate disposed under the above gate electrode; a liquid crystal layer disposed between the first substrate and the second substrate; and a backlight provided under the second substrate. Also, the gate electrode can be disposed between a lower surface of the channel part of the active layer and the backlight, in order to protect the channel part from light emitted from the backlight.Type: GrantFiled: March 28, 2023Date of Patent: April 23, 2024Assignee: LG DISPLAY CO., LTD.Inventor: Junghyun Lee
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Patent number: 11960182Abstract: Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0?Imax/Isur1.Type: GrantFiled: December 1, 2022Date of Patent: April 16, 2024Assignee: FUJIFILM CorporationInventors: Yumi Kato, Naoki Koito, Hiroshi Matsuyama, Akihiro Sugita, Takehiro Kasahara, Naoyoshi Yamada
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Patent number: 11953793Abstract: A display panel and a display module are provided. The display panel includes a first base, a black matrix layer, and a color resist layer, wherein the black matrix layer includes a plurality of openings, the color resist layer is disposed above the first base and filled in the plurality of openings. A light reflectivity of a side of the black matrix layer away from the first base is greater than a light reflectivity of a side of the black matrix layer close to the first base.Type: GrantFiled: February 28, 2023Date of Patent: April 9, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yanfen Li, Lixuan Chen, Xingwu Chen
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Patent number: 11947201Abstract: A liquid crystal device includes a liquid crystal panel including a liquid crystal layer as a first liquid crystal layer, a first polarizing element, a second polarizing element, a first phase difference adjusting element arranged between the first polarizing element and the liquid crystal panel and including a liquid crystal layer as a second liquid crystal layer, a second phase difference adjusting element arranged between the liquid crystal panel and the second polarizing element and including a liquid crystal layer as a third liquid crystal layer, and a first phase difference controlling element driving unit and a second phase difference controlling element driving unit as control units configured to control a value of a voltage applied to the first phase difference adjusting element and the second phase difference adjusting element, based on image data input to the liquid crystal panel.Type: GrantFiled: February 24, 2023Date of Patent: April 2, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Hiroyuki Hosaka, Akihide Haruyama
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Patent number: 11947225Abstract: The present application provides a liquid crystal display panel and a manufacturing thereof. The liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, and support posts. Each of the support posts includes a support post body and an expandable auxiliary pad. In a first state, the auxiliary pad is in a non-expanded state, and in a second state, the auxiliary pad is in an expanded state. This compensates for a height difference caused by the support post body which cannot be restored after being compressed by an external force and relieves a problem of appearance of Mura in the liquid crystal display panel.Type: GrantFiled: March 6, 2020Date of Patent: April 2, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yuan Shao, Chunqiu Yan, Hsiaohsien Chen
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Patent number: 11940680Abstract: The present invention provides a display panel and a display module. The display panel includes a first substrate, a first electrode layer, a light control layer, a second electrode layer, and a second substrate. The light control layer includes a first liquid crystal and light blocking layers. When no voltage is applied to the light control layer, the first liquid crystal is configured as an atomized liquid crystal for scattering light. When a voltage is applied to the light control layer, the first liquid crystal is configured as a transparent liquid crystal, thereby effectively improving an anti-peep performance of the display panel.Type: GrantFiled: November 23, 2020Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mingming Ni, Haotian Xu, Zhiqing Shi
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Patent number: 11934059Abstract: Provided are a liquid crystal member and a millimeter-wave modulation element with the liquid crystal member including a liquid crystal layer having a non-flat surface. The liquid crystal member includes a liquid crystal layer in which a liquid crystal composition which contains a liquid crystal compound having a polymerizable group and a polymerization initiator is immobilized in an aligned state, with at least one main surface of two main surfaces of the liquid crystal layer at both ends in a thickness direction is a non-flat surface having various shapes in a region on the non-flat surface side of one of the two main surfaces, a slow axis of the liquid crystal compound has an equal angle with respect to an adjacent non-flat surface, and in a region on the other main surface side, slow axes of the liquid crystal compound are parallel to each other.Type: GrantFiled: April 26, 2023Date of Patent: March 19, 2024Assignee: FUJIFILM CorporationInventors: Yuki Ol, Takao Taguchi
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Patent number: 11927857Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes: signal lines arranged in a first direction with spaces interposed between the signal lines; scan lines arranged in a second direction with spaces interposed therebetween; a switching element coupled to a corresponding one of the scan lines and a corresponding one of the signal lines; an organic insulating layer that covers at least the switching element; and a metal layer provided on the upper side of the organic insulating layer so as to overlap the organic insulating layer. A positional misalignment portion of each signal line does not overlap a positional misalignment portion of the metal layer.Type: GrantFiled: April 5, 2023Date of Patent: March 12, 2024Assignee: Japan Display Inc.Inventors: Yoshihide Ohue, Yuuji Oomori, Koji Kitamura, Kentaro Okuyama
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Patent number: 11914140Abstract: Provided is an optical element that suppresses ghosts where an absorbing polarizer having a curved surface portion is applied to an image display device formed of a reciprocation optical system. Further provided are a virtual reality display device, an electronic viewfinder, and a method of producing a polarizer. The optical element includes absorbing polarizers A and B, polarizer A having a curved surface portion, where a position X being of a surface of the polarizer A on a side of and closest to the side of polarizer B, a position Y being of a surface of the polarizer B on a side of polarizer A, closest to the position X, and a straight line L passing through the positions X and Y is drawn, a position Z is on the straight line L and beyond the position X when it the position X is observed from position Y.Type: GrantFiled: November 30, 2022Date of Patent: February 27, 2024Assignee: FUJIFILM CorporationInventor: Naoyoshi Yamada
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Patent number: 11908849Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.Type: GrantFiled: September 16, 2021Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hang Jae Lee, Sung Jae Yun, Yuk Hyun Nam
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Patent number: 11899323Abstract: Embodiments of this application disclose a display panel. A primary pixel electrode is disposed inside a primary pixel region, and a sub-pixel electrode is disposed inside a sub-pixel region. First shading strips and second shading strips are intersected to form a plurality of primary frame bodies. One primary frame body correspondingly encloses a circumferential side of one pixel region. A third shading strip is disposed inside the primary frame body and correspondingly disposed between the primary pixel region and the sub-pixel region. The third shading strip and the primary frame body define two sub-frame bodies, and a channel for making the two sub-frame bodies communicate is disposed on the third shading strip.Type: GrantFiled: August 3, 2021Date of Patent: February 13, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chengcai Dong, Ding Li, Yi Liu
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Patent number: 11901369Abstract: A pixel array substrate, including multiple pixel structures, multiple data lines, multiple scan line groups, multiple transfer line groups, multiple connection terminal groups, and multiple bridge line groups, is provided. The multiple data lines are electrically connected to the multiple pixel structures and arranged in a first direction. Each scan line group includes multiple scan lines arranged in a second direction. The multiple scan lines of the multiple scan line groups are electrically connected to the multiple pixel structures. Each transfer line group includes multiple transfer lines arranged in the first direction. The multiple transfer lines of each transfer line group are electrically connected to the multiple scan lines of a corresponding scan line group. The bridge line groups are structurally separated. Each bridge line group is electrically connected to a corresponding transfer line group and a corresponding connection terminal group.Type: GrantFiled: July 27, 2021Date of Patent: February 13, 2024Assignee: Au Optronics CorporationInventors: Mu-Kai Wang, Ai-Ju Tsai, Kuo-Yu Huang, Yueh-Hung Chung
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Patent number: 11892721Abstract: An apparatus includes a liquid crystal layer comprising a first region and a second region. The first region comprises a first plurality of liquid crystal molecules in a first state and the second region comprises a second plurality of liquid crystal molecules in a second state different from the first state. The apparatus also includes a camera positioned to receive light propagating through the second region, a first driver circuit configured to apply a first set of voltages to a first set of electrodes in the first region, and a second driver circuit configured to apply a second set of voltages to a second set of electrodes in the second region.Type: GrantFiled: March 7, 2023Date of Patent: February 6, 2024Assignee: Amazon Technologies, Inc.Inventor: Xiaodong Xun
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Patent number: 11886073Abstract: Embodiments of a display device are described. A display device includes a backlight unit having a light source and a liquid crystal display (LCD) module. The light source is configured to emit a primary light having a first peak wavelength. The LCD module includes a first sub-pixel having a phosphor film and a second sub-pixel having a non-phosphor film. The phosphor film is configured to receive a first portion of the primary light and to convert the first portion of the primary light to emit a secondary light having a second peak wavelength that is different from the first peak wavelength. The non-phosphor film is configured to receive a second portion of the primary light and to optically modify the second portion of the primary light to emit an optically modified primary light having a third peak wavelength that is different from the first and second peak wavelengths.Type: GrantFiled: November 21, 2022Date of Patent: January 30, 2024Assignee: SHOEI CHEMICAL INC.Inventors: Ernest Chung-Wei Lee, Charles Hotz
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Patent number: 11886086Abstract: A light control sheet including a first transparent electrode layer, a second transparent electrode layer, a light control layer including a resin layer formed between the first transparent electrode layer and the second transparent electrode layer, the resin layer including voids dispersed therein and filled with a liquid crystal composition including liquid crystal molecules, and a first orientation layer formed between the first transparent electrode layer and the light control layer such that a haze of the light control layer is increased by applying a voltage to the first transparent electrode layer. The light control layer has a first surface in contact with the first orientation layer, and an area ratio of the voids at the first surface is 49% or more where the area ratio is a percentage of a total area of all the voids to an area of the first surface.Type: GrantFiled: April 27, 2023Date of Patent: January 30, 2024Assignee: TOPPAN Inc.Inventors: Kaori Morinaga, Taisuke Enya, Yuji Yano, Masayuki Takahashi
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Patent number: 11878498Abstract: A method for producing a laminated pane with a functional element with electrically switchable optical properties, includes creating a first stack of layers including a first pane, a first thermoplastic laminating film, a separating film, a second thermoplastic laminating film, a second pane, laminating the first stack of layers while being heated, taking the first pane with the first thermoplastic laminating film off the second pane with the second thermoplastic laminating film, and the at least one separating film is removed from the stack of layers, providing a functional element having an active layer, placing the functional element into the stack of layers, whereby a second stack of layers is formed, laminating the second stack of layers to form a laminated pane, wherein the separating film is detachable residue-free from the first thermoplastic laminating film and the second thermoplastic laminating film.Type: GrantFiled: May 31, 2021Date of Patent: January 23, 2024Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Michael Labrot, Laurent Maillaud
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Patent number: 11874570Abstract: According to one embodiment, a display device includes a first display panel, a second display panel and an adhesive layer which adheres the first and second display panels. The first display panel includes a first scanning line, a first signal line, a first pixel electrically connected to the first scanning line and the first signal line, and the first pixel includes a first pixel electrode including first line portions extending parallel to the first signal line. The second display panel includes a second scanning line, a second signal line, and a second pixel electrically connected to the second scanning line and the second signal line, and the second pixel includes a second pixel electrode including second line portions intersecting the second signal line in plan view.Type: GrantFiled: March 16, 2023Date of Patent: January 16, 2024Assignee: Japan Display Inc.Inventors: Yosuke Hyodo, Shinichiro Oka, Hirofumi Ohira
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Patent number: 11874536Abstract: A polarizing plate and an optical display device comprising same are provided. The polarizing plate comprises: a polarizer; and a pattern layer disposed on the upper surface of the polarizer. The pattern layer includes a first resin layer, wherein the first resin layer has one or more intaglio patterns formed on the lower surface thereof. The intaglio pattern has side surfaces, and a first surface and a second surface having different base angles with respect to the maximum width of the intaglio pattern are continuously formed on the side surfaces. The first and second surfaces satisfy Equation 1, and when h1 is a height projected on the first surface and h2 is a height projected on the second surface, among the maximum heights of the intaglio pattern, h1 and h2 satisfy Equation 2.Type: GrantFiled: August 27, 2020Date of Patent: January 16, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Jeong Ho Lee, Dong Ho Wee
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Patent number: 11877100Abstract: According to one embodiment, a display device including a first substrate including an organic film, a first recess and a second recess formed in the organic film, and a first projection having the organic film, a second substrate, and a sealing member located in a second area around a first area, and bonding the first substrate and the second substrate together, wherein the first substrate includes a mounting portion, the first recess and the second recess extend in the second area, a first leading end portion of the first recess is separated from a second leading end portion of the second recess, and the first projection, the first recess and the second recess overlap the sealing member.Type: GrantFiled: December 14, 2022Date of Patent: January 16, 2024Assignee: JAPAN DISPLAY INC.Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masaru Nakakomi